Change initrd 'executable' bool to type enum.

Not actually integrating with the kernel yet.

.git-commit-template

@@ -1,11 +0,0 @@
-[section] Imperative-voiced title in less than 50
-
-# Body describes what was done, and why. New obviously-needed features
-# don't necessarily require a why.
-
-# Links to relevant bugs or web pages
-See: Github bug #242
-See: [frobozz blog post](https://jsix.dev/posts/frobozz/)
-
-# Tags and keywords useful for searching
-Tags:

README.md

@@ -1,9 +1,7 @@
-![jsix](assets/jsix.svg)
+# jsix: A toy OS kernel
 
-# jsix: A hobby operating system
+**jsix** is the kernel for the hobby OS that I am currently building. It's
-
+far from finished, or even being usable. Instead, it's a sandbox for me to play
-**jsix** is the hobby operating system that I am currently building. It's far
-from finished, or even being usable. Instead, it's a sandbox for me to play
 with kernel-level code and explore architectures.
 
 The design goals of the project are:
@@ -11,8 +9,7 @@ The design goals of the project are:
 * Modernity - I'm not interested in designing for legacy systems, or running on
   all hardware out there. My target is only 64 bit architecutres, and modern
   commodity hardware. Currently that means x64 systems with Nehalem or newer
-  CPUs and UEFI firmware. (See [this list][cpu_features] for the currently
+  CPUs and UEFI firmware. Eventually I'd like to work on an AArch64 port,
-  required CPU features.) Eventually I'd like to work on an AArch64 port,
   partly to force myself to factor out the architecture-dependent pieces of the
   code base.
 
@@ -20,7 +17,8 @@ The design goals of the project are:
   processes as possible, in the microkernel fashion. A sub-goal of this is to
   explore where the bottlenecks of such a microkernel are now, and whether
   eschewing legacy hardware will let me design a system that's less bogged down
-  by the traditional microkernel problems.
+  by the traditional microkernel problems. Given that there are no processes
+  yet, the kernel is monolithic by default.
 
 * Exploration - I'm really mostly doing this to have fun learning and exploring
   modern OS development. Modular design may be tossed out (hopefully
@@ -33,8 +31,6 @@ name, started around the same time as this project. So I've renamed this kernel
 jsix (Always styled _jsix_ or `j6`, never capitalized) as an homage to L4, xv6,
 and my wonderful wife.
 
-[cpu_features]: https://github.com/justinian/jsix/blob/master/src/libraries/cpu/include/cpu/features.inc
-
 ## Building
 
 jsix uses the [Ninja][] build tool, and generates the build files for it with a
@@ -42,7 +38,7 @@ custom tool called [Bonnibel][]. Bonnibel can be installed with [Cargo][], or
 downloaded as a prebuilt binary from its Github repository.
 
 [Ninja]:    https://ninja-build.org
-[Bonnibel]: https://github.com/justinian/bonnibel_rs
+[Bonnibel]: https://github.com/justinian/bonnibel
 [Cargo]:    https://crates.io/crates/bonnibel
 
 Requrirements:
@@ -75,8 +71,8 @@ I personally run this either from a real debian amd64 testing/buster machine or
 a windows WSL debian testing/buster installation. The following should be
 enough to set up such a system to build the kernel:
 
-    sudo apt install qemu-system-x86 nasm clang-10 mtools curl ninja-build
+    sudo apt install qemu-system-x86 nasm clang-6.0 mtools curl
-    sudo update-alternatives /usr/bin/clang clang /usr/bin/clang-10 1000
+    sudo update-alternatives /usr/bin/clang clang /usr/bin/clang-6.0 1000
-    sudo update-alternatives /usr/bin/clang++ clang++ /usr/bin/clang++-10 1000
+    sudo update-alternatives /usr/bin/clang++ clang++ /usr/bin/clang++-6.0 1000
-	curl -L -o pb https://github.com/justinian/bonnibel_rs/releases/download/v2.3.0/pb-linux-amd64 && chmod a+x pb
+	curl -L -o pb https://github.com/justinian/bonnibel/releases/download/2.0.0/pb_linux_amd64 && chmod a+x pb
 

assets/debugging/jsix.elf-gdb.py

@@ -2,7 +2,7 @@ import gdb
 
 class PrintStackCommand(gdb.Command):
     def __init__(self):
-        super().__init__("j6stack", gdb.COMMAND_DATA)
+        super().__init__("popc_stack", gdb.COMMAND_DATA)
 
     def invoke(self, arg, from_tty):
         args = gdb.string_to_argv(arg)
@@ -16,48 +16,16 @@ class PrintStackCommand(gdb.Command):
             depth = int(args[1])
 
         for i in range(depth-1, -1, -1):
-            try:
             offset = i * 8
             base_addr = gdb.parse_and_eval(base)
             value = gdb.parse_and_eval(f"*(uint64_t*)({base} + {offset})")
             print("{:016x} (+{:04x}): {:016x}".format(int(base_addr) + offset, offset, int(value)))
-            except Exception as e:
-                print(e)
-                continue
-
-
-class PrintBacktraceCommand(gdb.Command):
-    def __init__(self):
-        super().__init__("j6bt", gdb.COMMAND_DATA)
-
-    def invoke(self, arg, from_tty):
-        args = gdb.string_to_argv(arg)
-
-        depth = 30
-        if len(args) > 0:
-            depth = int(args[0])
-
-        frame = "$rbp"
-        if len(args) > 1:
-            frame = args[1]
-
-        for i in range(depth-1, -1, -1):
-            ret = gdb.parse_and_eval(f"*(uint64_t*)({frame} + 8)")
-            frame = gdb.parse_and_eval(f"*(uint64_t*)({frame})")
-
-            name = ""
-            block = gdb.block_for_pc(int(ret))
-            if block:
-                name = block.function or ""
-
-            print("{:016x} {}".format(int(ret), name))
-
-            if frame == 0 or ret == 0:
-                return
 
 
 PrintStackCommand()
-PrintBacktraceCommand()
 
+import time
+time.sleep(3.5)
 gdb.execute("target remote :1234")
+gdb.execute("set waiting = false")
 gdb.execute("display/i $rip")

assets/initrd.toml

@@ -8,21 +8,21 @@
 #                               # initial application for the kernel to execute
 #                               # on startup
 
+[[files]]
+dest = "vdso.so"
+source = "host/libvdso.so"
+type = "vdso"
+
 [[files]]
 dest = "screenfont.psf"
 source = "../assets/fonts/tamsyn8x16r.psf"
 
-[[files]]
-dest = "symbol_table.dat"
-source = "symbol_table.dat"
-symbols = true
-
 [[files]]
 dest = "nulldrv1"
 source = "user/nulldrv"
-executable = true
+type = "executable"
 
 [[files]]
 dest = "nulldrv2"
 source = "user/nulldrv"
-executable = true
+type = "executable"

assets/jsix.svg

@@ -1 +0,0 @@
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external/uefi/boot_services.h

@@ -1,103 +0,0 @@
-#pragma once
-#ifndef _uefi_boot_services_h_
-#define _uefi_boot_services_h_
-
-// This Source Code Form is part of the j6-uefi-headers project and is subject
-// to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was
-// not distributed with this file, You can obtain one at
-// http://mozilla.org/MPL/2.0/.
-
-#include <stdint.h>
-#include <uefi/tables.h>
-#include <uefi/types.h>
-
-namespace uefi {
-namespace bs_impl {
-	using allocate_pages = status (*)(allocate_type, memory_type, size_t, void**);
-	using free_pages = status (*)(void*, size_t);
-	using get_memory_map = status (*)(size_t*, memory_descriptor*, size_t*, size_t*, uint32_t*);
-	using allocate_pool = status (*)(memory_type, uint64_t, void**);
-	using free_pool = status (*)(void*);
-	using handle_protocol = status (*)(handle, const guid*, void**);
-	using create_event = status (*)(evt, tpl, event_notify, void*, event*);
-	using exit_boot_services = status (*)(handle, size_t);
-	using locate_protocol = status (*)(const guid*, void*, void**);
-	using copy_mem = void (*)(void*, void*, size_t);
-	using set_mem = void (*)(void*, uint64_t, uint8_t);
-}
-
-struct boot_services {
-	static constexpr uint64_t signature = 0x56524553544f4f42ull;
-
-	table_header header;
-
-	// Task Priority Level management
-	void *raise_tpl;
-	void *restore_tpl;
-
-	// Memory Services
-	bs_impl::allocate_pages allocate_pages;
-	bs_impl::free_pages free_pages;
-	bs_impl::get_memory_map get_memory_map;
-	bs_impl::allocate_pool allocate_pool;
-	bs_impl::free_pool free_pool;
-
-	// Event & Timer Services
-	bs_impl::create_event create_event;
-	void *set_timer;
-	void *wait_for_event;
-	void *signal_event;
-	void *close_event;
-	void *check_event;
-
-	// Protocol Handler Services
-	void *install_protocol_interface;
-	void *reinstall_protocol_interface;
-	void *uninstall_protocol_interface;
-	bs_impl::handle_protocol handle_protocol;
-	void *_reserved;
-	void *register_protocol_notify;
-	void *locate_handle;
-	void *locate_device_path;
-	void *install_configuration_table;
-
-	// Image Services
-	void *load_image;
-	void *start_image;
-	void *exit;
-	void *unload_image;
-	bs_impl::exit_boot_services exit_boot_services;
-
-	// Miscellaneous Services
-	void *get_next_monotonic_count;
-	void *stall;
-	void *set_watchdog_timer;
-
-	// DriverSupport Services
-	void *connect_controller;
-	void *disconnect_controller;
-
-	// Open and Close Protocol Services
-	void *open_protocol;
-	void *close_protocol;
-	void *open_protocol_information;
-
-	// Library Services
-	void *protocols_per_handle;
-	void *locate_handle_buffer;
-	bs_impl::locate_protocol locate_protocol;
-	void *install_multiple_protocol_interfaces;
-	void *uninstall_multiple_protocol_interfaces;
-
-	// 32-bit CRC Services
-	void *calculate_crc32;
-
-	// Miscellaneous Services
-	bs_impl::copy_mem copy_mem;
-	bs_impl::set_mem set_mem;
-	void *create_event_ex;
-};
-
-} // namespace uefi
-
-#endif

external/uefi/errors.inc

@@ -1,39 +0,0 @@
-STATUS_WARNING( warn_unknown_glyph,   1)
-STATUS_WARNING( warn_delete_failure,  2)
-STATUS_WARNING( warn_write_failure,   3)
-STATUS_WARNING( warn_buffer_too_small,4)
-STATUS_WARNING( warn_stale_data,      5)
-STATUS_WARNING( warn_file_system,     6)
-
-STATUS_ERROR( load_error,             1)
-STATUS_ERROR( invalid_parameter,      2)
-STATUS_ERROR( unsupported,            3)
-STATUS_ERROR( bad_buffer_size,        4)
-STATUS_ERROR( buffer_too_small,       5)
-STATUS_ERROR( not_ready,              6)
-STATUS_ERROR( device_error,           7)
-STATUS_ERROR( write_protected,        8)
-STATUS_ERROR( out_of_resources,       9)
-STATUS_ERROR( volume_corrupted,       10)
-STATUS_ERROR( volume_full,            11)
-STATUS_ERROR( no_media,               12)
-STATUS_ERROR( media_changed,          13)
-STATUS_ERROR( not_found,              14)
-STATUS_ERROR( access_denied,          15)
-STATUS_ERROR( no_response,            16)
-STATUS_ERROR( no_mapping,             17)
-STATUS_ERROR( timeout,                18)
-STATUS_ERROR( not_started,            19)
-STATUS_ERROR( already_started,        20)
-STATUS_ERROR( aborted,                21)
-STATUS_ERROR( icmp_error,             22)
-STATUS_ERROR( tftp_error,             23)
-STATUS_ERROR( protocol_error,         24)
-STATUS_ERROR( incompatible_version,   25)
-STATUS_ERROR( security_violation,     26)
-STATUS_ERROR( crc_error,              27)
-STATUS_ERROR( end_of_media,           28)
-STATUS_ERROR( end_of_file,            31)
-STATUS_ERROR( invalid_language,       32)
-STATUS_ERROR( compromised_data,       33)
-STATUS_ERROR( http_error,             35)

external/uefi/graphics.h

@@ -1,92 +0,0 @@
-#pragma once
-#ifndef _uefi_graphics_h_
-#define _uefi_graphics_h_
-
-// This Source Code Form is part of the j6-uefi-headers project and is subject
-// to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was
-// not distributed with this file, You can obtain one at
-// http://mozilla.org/MPL/2.0/.
-
-#include <stdint.h>
-#include <uefi/types.h>
-
-namespace uefi {
-
-struct text_output_mode
-{
-	int32_t max_mode;
-	int32_t mode;
-	int32_t attribute;
-	int32_t cursor_column;
-	int32_t cursor_row;
-	bool cursor_visible;
-};
-
-struct pixel_bitmask
-{
-	uint32_t red_mask;
-	uint32_t green_mask;
-	uint32_t blue_mask;
-	uint32_t reserved_mask;
-};
-
-enum class pixel_format
-{
-	rgb8,
-	bgr8,
-	bitmask,
-	blt_only
-};
-
-struct graphics_output_mode_info
-{
-	uint32_t version;
-	uint32_t horizontal_resolution;
-	uint32_t vertical_resolution;
-	pixel_format pixel_format;
-	pixel_bitmask pixel_information;
-	uint32_t pixels_per_scanline;
-};
-
-struct graphics_output_mode
-{
-	uint32_t max_mode;
-	uint32_t mode;
-	graphics_output_mode_info *info;
-	uint64_t size_of_info;
-	uintptr_t frame_buffer_base;
-	uint64_t frame_buffer_size;
-};
-
-enum class attribute : uint64_t
-{
-	black,
-	blue,
-	green,
-	cyan,
-	red,
-	magenta,
-	brown,
-	light_gray,
-	dark_gray,
-	light_blue,
-	light_green,
-	light_cyan,
-	light_red,
-	light_magenta,
-	yellow,
-	white,
-
-	background_black      = 0x00,
-	background_blue       = 0x10,
-	background_green      = 0x20,
-	background_cyan       = 0x30,
-	background_red        = 0x40,
-	background_magenta    = 0x50,
-	background_brown      = 0x60,
-	background_light_gray = 0x70,
-};
-
-} // namespace uefi
-
-#endif

external/uefi/guid.h

@@ -1,29 +0,0 @@
-#pragma once
-#ifndef _uefi_guid_h_
-#define _uefi_guid_h_
-
-// This Source Code Form is part of the j6-uefi-headers project and is subject
-// to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was
-// not distributed with this file, You can obtain one at
-// http://mozilla.org/MPL/2.0/.
-
-#include <stdint.h>
-
-namespace uefi {
-
-struct guid
-{
-	uint32_t data1;
-	uint16_t data2;
-	uint16_t data3;
-	uint8_t data4[8];
-
-	inline bool operator==(const guid &other) const {
-		return reinterpret_cast<const uint64_t*>(this)[0] == reinterpret_cast<const uint64_t*>(&other)[0]
-			&& reinterpret_cast<const uint64_t*>(this)[1] == reinterpret_cast<const uint64_t*>(&other)[1];
-	}
-};
-
-} // namespace uefi
-
-#endif

external/uefi/networking.h

@@ -1,390 +0,0 @@
-#pragma once
-#ifndef _uefi_networking_h_
-#define _uefi_networking_h_
-
-// This Source Code Form is part of the j6-uefi-headers project and is subject
-// to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was
-// not distributed with this file, You can obtain one at
-// http://mozilla.org/MPL/2.0/.
-
-#include <stdint.h>
-#include <uefi/types.h>
-
-namespace uefi {
-
-//
-// IPv4 definitions
-//
-struct ipv4_address
-{
-	uint8_t addr[4];
-};
-
-//
-// IPv6 definitions
-//
-struct ipv6_address
-{
-	uint8_t addr[16];
-};
-
-struct ip6_address_info
-{
-    ipv6_address address;
-    uint8_t prefix_length;
-};
-
-struct ip6_route_table
-{
-    ipv6_address gateway;
-    ipv6_address destination;
-    uint8_t prefix_length;
-};
-
-enum class ip6_neighbor_state : int {
-    incomplete,
-    reachable,
-    stale,
-    delay,
-    probe,
-}
-
-struct ip6_neighbor_cache
-{
-    ipv6_address neighbor;
-    mac_address link_address;
-    ip6_neighbor_state state;
-};
-
-enum class icmpv6_type : uint8_t
-{
-    dest_unreachable = 0x1,
-    packet_too_big = 0x2,
-    time_exceeded = 0x3,
-    parameter_problem = 0x4,
-    echo_request = 0x80,
-    echo_reply = 0x81,
-    listener_query = 0x82,
-    listener_report = 0x83,
-    listener_done = 0x84,
-    router_solicit = 0x85,
-    router_advertise = 0x86,
-    neighbor_solicit = 0x87,
-    neighbor_advertise = 0x88,
-    redirect = 0x89,
-    listener_report_2 = 0x8f,
-};
-
-enum class icmpv6_code : uint8_t
-{
-    // codes for icmpv6_type::dest_unreachable
-    no_route_to_dest = 0x0,
-    comm_prohibited = 0x1,
-    beyond_scope = 0x2,
-    addr_unreachable = 0x3,
-    port_unreachable = 0x4,
-    source_addr_failed = 0x5,
-    route_rejected = 0x6,
-
-    // codes for icmpv6_type::time_exceeded
-    timeout_hop_limit = 0x0,
-    timeout_reassemble = 0x1,
-
-    // codes for icmpv6_type::parameter_problem
-    erroneous_header = 0x0,
-    unrecognize_next_hdr = 0x1,
-    unrecognize_option = 0x2,
-};
-
-struct ip6_icmp_type
-{
-    icmpv6_type type;
-    icmpv6_code code;
-};
-
-struct ip6_config_data
-{
-    uint8_t default_protocol;
-    bool accept_any_protocol;
-    bool accept_icmp_errors;
-    bool accept_promiscuous;
-    ipv6_address destination_address;
-    ipv6_address station_address;
-    uint8_t traffic_class;
-    uint8_t hop_limit;
-    uint32_t flow_label;
-    uint32_t receive_timeout;
-    uint32_t transmit_timeout;
-};
-
-struct ip6_mode_data
-{
-    bool is_started;
-    uint32_t max_packet_size;
-    ip6_config_data config_data;
-    bool is_configured;
-    uint32_t address_count;
-    ip6_address_info * address_list;
-    uint32_t group_count;
-    ipv6_address * group_table;
-    uint32_t route_count;
-    ip6_route_table * route_table;
-    uint32_t neighbor_count;
-    ip6_neighbor_cache * neighbor_cache;
-    uint32_t prefix_count;
-    ip6_address_info * prefix_table;
-    uint32_t icmp_type_count;
-     * icmp_type_list;
-};
-
-struct ip6_header
-{
-    uint8_t traffic_class_h : 4;
-    uint8_t version : 4;
-    uint8_t flow_label_h : 4;
-    uint8_t traffic_class_l : 4;
-    uint16_t flow_label_l;
-    uint16_t payload_length;
-    uint8_t next_header;
-    uint8_t hop_limit;
-    ipv6_address source_address;
-    ipv6_address destination_address;
-} __attribute__ ((packed));
-
-struct ip6_fragment_data
-{
-    uint32_t fragment_length;
-    void *fragment_buffer;
-};
-
-struct ip6_override_data
-{
-    uint8_t protocol;
-    uint8_t hop_limit;
-    uint32_t flow_label;
-};
-
-struct ip6_receive_data
-{
-    time time_stamp;
-    event recycle_signal;
-    uint32_t header_length;
-    ip6_header *header;
-    uint32_t data_length;
-    uint32_t fragment_count;
-    ip6_fragment_data fragment_table[1];
-};
-
-struct ip6_transmit_data
-{
-    ipv6_address destination_address;
-    ip6_override_data *override_data;
-
-    uint32_t ext_hdrs_length;
-    void *ext_hdrs;
-    uint8_t next_header;
-    uint32_t data_length;
-    uint32_t fragment_count;
-    ip6_fragment_data fragment_table[1];
-};
-
-struct ip6_completion_token
-{
-    event event;
-    status status;
-    union {
-        ip6_receive_data *rx_data;
-        ip6_transmit_data *tx_data;
-    } packet;
-};
-
-enum class ip6_config_data_type : int
-{
-    interface_info,
-    alt_interface_id,
-    policy,
-    dup_addr_detect_transmits,
-    manual_address,
-    gateway,
-    dns_server,
-    maximum
-};
-
-struct ip6_config_interface_info
-{
-    wchar_t name[32];
-    uint8_t if_type;
-    uint32_t hw_address_size;
-    mac_address hw_address;
-    uint32_t address_info_count;
-    ip6_address_info *address_info;
-    uint32_t route_count;
-    ip6_route_table *route_table;
-};
-
-struct ip6_config_interface_id
-{
-    uint8_t id[8];
-};
-
-enum class ip6_config_policy : int
-{
-    manual,
-    automatic
-};
-
-struct ip6_config_dup_addr_detect_transmits
-{
-    uint32_t dup_addr_detect_transmits;
-};
-
-struct ip6_config_manual_address
-{
-    ipv6_address address;
-    bool is_anycast;
-    uint8_t prefix_length;
-};
-
-//
-// IP definitions
-//
-union ip_address
-{
-	uint8_t addr[4];
-	ipv4_address v4;
-	ipv6_address v6;
-};
-
-//
-// HTTP definitions
-//
-struct httpv4_access_point
-{
-	bool use_default_address;
-	ipv4_address local_address;
-	ipv4_address local_subnet;
-	uint16_t local_port;
-};
-
-struct httpv6_access_point
-{
-	ipv6_address local_address;
-	uint16_t local_port;
-};
-
-enum class http_version : int {
-	v10,
-	v11,
-	unsupported,
-};
-
-struct http_config_data
-{
-	http_version http_version;
-	uint32_t time_out_millisec;
-	bool local_address_is_ipv6;
-	union {
-		httpv4_access_point *ipv4_node;
-		httpv6_access_point *ipv6_node;
-	} access_point;
-};
-
-enum class http_method : int {
-	get,
-	post,
-	patch,
-	options,
-	connect,
-	head,
-	put,
-	delete_,
-	trace,
-};
-
-struct http_request_data
-{
-	http_method method;
-	wchar_t *url;
-};
-
-enum class http_status_code : int {
-	unsupported,
-	continue_,
-	switching_protocols,
-	ok,
-	created,
-	accepted,
-	non_authoritative_information,
-	no_content,
-	reset_content,
-	partial_content,
-	multiple_choices,
-	moved_permanently,
-	found,
-	see_other,
-	not_modified,
-	use_proxy,
-	temporary_redirect,
-	bad_request,
-	unauthorized,
-	payment_required,
-	forbidden,
-	not_found,
-	method_not_allowed,
-	not_acceptable,
-	proxy_authentication_required,
-	request_time_out,
-	conflict,
-	gone,
-	length_required,
-	precondition_failed,
-	request_entity_too_large,
-	request_uri_too_large,
-	unsupported_media_type,
-	requested_range_not_satisfied,
-	expectation_failed,
-	internal_server_error,
-	not_implemented,
-	bad_gateway,
-	service_unavailable,
-	gateway_timeout,
-	http_version_not_supported,
-	permanent_redirect,  // I hate your decisions, uefi.
-};
-
-struct http_response_data
-{
-	http_status_code status_code;
-};
-
-struct http_header
-{
-	char *field_name;
-	char *field_value;
-};
-
-struct http_message
-{
-	union {
-		http_request_data *request;
-		http_response_data *response;
-	} data;
-
-	size_t header_count;
-	http_header *headers;
-
-	size_t body_length;
-	void *body;
-};
-
-struct http_token
-{
-	event event;
-	status status;
-	http_message *message;
-};
-
-
-} // namespace uefi
-
-#endif

external/uefi/protos/device_path.h

@@ -1,31 +0,0 @@
-#pragma once
-#ifndef _uefi_protos_device_path_h_
-#define _uefi_protos_device_path_h_
-
-// This file was auto generated by the j6-uefi-headers project. Please see
-// https://github.com/justinian/j6-uefi-headers for more information.
-
-#include <uefi/guid.h>
-#include <uefi/types.h>
-
-namespace uefi {
-namespace protos {
-struct device_path;
-
-struct device_path
-{
-    static constexpr uefi::guid guid{ 0x09576e91,0x6d3f,0x11d2,{0x8e,0x39,0x00,0xa0,0xc9,0x69,0x72,0x3b} };
-
-
-    uint8_t type;
-    uint8_t sub_type;
-    uint16_t length;
-
-protected:
-public:
-};
-
-} // namespace protos
-} // namespace uefi
-
-#endif // _uefi_protos_device_path_h_

external/uefi/protos/file.h

@@ -1,126 +0,0 @@
-#pragma once
-#ifndef _uefi_protos_file_h_
-#define _uefi_protos_file_h_
-
-// This file was auto generated by the j6-uefi-headers project. Please see
-// https://github.com/justinian/j6-uefi-headers for more information.
-
-#include <uefi/guid.h>
-#include <uefi/types.h>
-
-namespace uefi {
-namespace protos {
-struct file;
-
-struct file
-{
-
-
-    inline uefi::status open(file ** new_handle, const wchar_t * file_name, file_mode open_mode, file_attr attributes) {
-        return _open(this, new_handle, file_name, open_mode, attributes);
-    }
-
-    inline uefi::status close() {
-        return _close(this);
-    }
-
-    inline uefi::status delete_file() {
-        return _delete_file(this);
-    }
-
-    inline uefi::status read(uint64_t * buffer_size, void * buffer) {
-        return _read(this, buffer_size, buffer);
-    }
-
-    inline uefi::status write(uint64_t * buffer_size, void * buffer) {
-        return _write(this, buffer_size, buffer);
-    }
-
-    inline uefi::status get_position(uint64_t * position) {
-        return _get_position(this, position);
-    }
-
-    inline uefi::status set_position(uint64_t position) {
-        return _set_position(this, position);
-    }
-
-    inline uefi::status get_info(const guid * info_type, uint64_t * buffer_size, void * buffer) {
-        return _get_info(this, info_type, buffer_size, buffer);
-    }
-
-    inline uefi::status set_info(const guid * info_type, uint64_t buffer_size, void * buffer) {
-        return _set_info(this, info_type, buffer_size, buffer);
-    }
-
-    inline uefi::status flush() {
-        return _flush(this);
-    }
-
-    inline uefi::status open_ex(file ** new_handle, const wchar_t * file_name, uint64_t open_mode, uint64_t attributes, file_io_token * token) {
-        return _open_ex(this, new_handle, file_name, open_mode, attributes, token);
-    }
-
-    inline uefi::status read_ex(file_io_token * token) {
-        return _read_ex(this, token);
-    }
-
-    inline uefi::status write_ex(file_io_token * token) {
-        return _write_ex(this, token);
-    }
-
-    inline uefi::status flush_ex(file_io_token * token) {
-        return _flush_ex(this, token);
-    }
-
-    uint64_t revision;
-
-protected:
-    using _open_def = uefi::status (*)(uefi::protos::file *, file **, const wchar_t *, file_mode, file_attr);
-    _open_def _open;
-
-    using _close_def = uefi::status (*)(uefi::protos::file *);
-    _close_def _close;
-
-    using _delete_file_def = uefi::status (*)(uefi::protos::file *);
-    _delete_file_def _delete_file;
-
-    using _read_def = uefi::status (*)(uefi::protos::file *, uint64_t *, void *);
-    _read_def _read;
-
-    using _write_def = uefi::status (*)(uefi::protos::file *, uint64_t *, void *);
-    _write_def _write;
-
-    using _get_position_def = uefi::status (*)(uefi::protos::file *, uint64_t *);
-    _get_position_def _get_position;
-
-    using _set_position_def = uefi::status (*)(uefi::protos::file *, uint64_t);
-    _set_position_def _set_position;
-
-    using _get_info_def = uefi::status (*)(uefi::protos::file *, const guid *, uint64_t *, void *);
-    _get_info_def _get_info;
-
-    using _set_info_def = uefi::status (*)(uefi::protos::file *, const guid *, uint64_t, void *);
-    _set_info_def _set_info;
-
-    using _flush_def = uefi::status (*)(uefi::protos::file *);
-    _flush_def _flush;
-
-    using _open_ex_def = uefi::status (*)(uefi::protos::file *, file **, const wchar_t *, uint64_t, uint64_t, file_io_token *);
-    _open_ex_def _open_ex;
-
-    using _read_ex_def = uefi::status (*)(uefi::protos::file *, file_io_token *);
-    _read_ex_def _read_ex;
-
-    using _write_ex_def = uefi::status (*)(uefi::protos::file *, file_io_token *);
-    _write_ex_def _write_ex;
-
-    using _flush_ex_def = uefi::status (*)(uefi::protos::file *, file_io_token *);
-    _flush_ex_def _flush_ex;
-
-public:
-};
-
-} // namespace protos
-} // namespace uefi
-
-#endif // _uefi_protos_file_h_

external/uefi/protos/file_info.h

@@ -1,36 +0,0 @@
-#pragma once
-#ifndef _uefi_protos_file_info_h_
-#define _uefi_protos_file_info_h_
-
-// This file was auto generated by the j6-uefi-headers project. Please see
-// https://github.com/justinian/j6-uefi-headers for more information.
-
-#include <uefi/guid.h>
-#include <uefi/types.h>
-
-namespace uefi {
-namespace protos {
-struct file_info;
-
-struct file_info
-{
-    static constexpr uefi::guid guid{ 0x09576e92,0x6d3f,0x11d2,{0x8e,0x39,0x00,0xa0,0xc9,0x69,0x72,0x3b} };
-
-
-    uint64_t size;
-    uint64_t file_size;
-    uint64_t physical_size;
-    time create_time;
-    time last_access_time;
-    time modification_time;
-    uint64_t attribute;
-    wchar_t file_name[];
-
-protected:
-public:
-};
-
-} // namespace protos
-} // namespace uefi
-
-#endif // _uefi_protos_file_info_h_

external/uefi/protos/graphics_output.h

@@ -1,51 +0,0 @@
-#pragma once
-#ifndef _uefi_protos_graphics_output_h_
-#define _uefi_protos_graphics_output_h_
-
-// This file was auto generated by the j6-uefi-headers project. Please see
-// https://github.com/justinian/j6-uefi-headers for more information.
-
-#include <uefi/guid.h>
-#include <uefi/types.h>
-#include <uefi/graphics.h>
-
-namespace uefi {
-namespace protos {
-struct graphics_output;
-
-struct graphics_output
-{
-    static constexpr uefi::guid guid{ 0x9042a9de,0x23dc,0x4a38,{0x96,0xfb,0x7a,0xde,0xd0,0x80,0x51,0x6a} };
-
-
-    inline uefi::status query_mode(uint32_t mode_number, uint64_t * size_of_info, uefi::graphics_output_mode_info ** info) {
-        return _query_mode(this, mode_number, size_of_info, info);
-    }
-
-    inline uefi::status set_mode(uint32_t mode_number) {
-        return _set_mode(this, mode_number);
-    }
-
-    inline uefi::status blt() {
-        return _blt(this);
-    }
-
-
-protected:
-    using _query_mode_def = uefi::status (*)(uefi::protos::graphics_output *, uint32_t, uint64_t *, uefi::graphics_output_mode_info **);
-    _query_mode_def _query_mode;
-
-    using _set_mode_def = uefi::status (*)(uefi::protos::graphics_output *, uint32_t);
-    _set_mode_def _set_mode;
-
-    using _blt_def = uefi::status (*)(uefi::protos::graphics_output *);
-    _blt_def _blt;
-
-public:
-    uefi::graphics_output_mode * mode;
-};
-
-} // namespace protos
-} // namespace uefi
-
-#endif // _uefi_protos_graphics_output_h_

external/uefi/protos/http.h

@@ -1,72 +0,0 @@
-#pragma once
-#ifndef _uefi_protos_http_h_
-#define _uefi_protos_http_h_
-
-// This file was auto generated by the j6-uefi-headers project. Please see
-// https://github.com/justinian/j6-uefi-headers for more information.
-
-#include <uefi/guid.h>
-#include <uefi/types.h>
-#include <uefi/networking.h>
-
-namespace uefi {
-namespace protos {
-struct http;
-
-struct http
-{
-    static constexpr uefi::guid guid{ 0x7a59b29b,0x910b,0x4171,{0x82,0x42,0xa8,0x5a,0x0d,0xf2,0x5b,0x5b} };
-    static constexpr uefi::guid service_binding{ 0xbdc8e6af,0xd9bc,0x4379,{0xa7,0x2a,0xe0,0xc4,0xe7,0x5d,0xae,0x1c} };
-
-
-    inline uefi::status get_mode_data(uefi::http_config_data * http_config_data) {
-        return _get_mode_data(this, http_config_data);
-    }
-
-    inline uefi::status configure(uefi::http_config_data * http_config_data) {
-        return _configure(this, http_config_data);
-    }
-
-    inline uefi::status request(uefi::http_token * token) {
-        return _request(this, token);
-    }
-
-    inline uefi::status cancel(uefi::http_token * token) {
-        return _cancel(this, token);
-    }
-
-    inline uefi::status response(uefi::http_token * token) {
-        return _response(this, token);
-    }
-
-    inline uefi::status poll() {
-        return _poll(this);
-    }
-
-
-protected:
-    using _get_mode_data_def = uefi::status (*)(uefi::protos::http *, uefi::http_config_data *);
-    _get_mode_data_def _get_mode_data;
-
-    using _configure_def = uefi::status (*)(uefi::protos::http *, uefi::http_config_data *);
-    _configure_def _configure;
-
-    using _request_def = uefi::status (*)(uefi::protos::http *, uefi::http_token *);
-    _request_def _request;
-
-    using _cancel_def = uefi::status (*)(uefi::protos::http *, uefi::http_token *);
-    _cancel_def _cancel;
-
-    using _response_def = uefi::status (*)(uefi::protos::http *, uefi::http_token *);
-    _response_def _response;
-
-    using _poll_def = uefi::status (*)(uefi::protos::http *);
-    _poll_def _poll;
-
-public:
-};
-
-} // namespace protos
-} // namespace uefi
-
-#endif // _uefi_protos_http_h_

external/uefi/protos/ip6.h

@@ -1,93 +0,0 @@
-#pragma once
-#ifndef _uefi_protos_ip6_h_
-#define _uefi_protos_ip6_h_
-
-// This file was auto generated by the j6-uefi-headers project. Please see
-// https://github.com/justinian/j6-uefi-headers for more information.
-
-#include <uefi/guid.h>
-#include <uefi/types.h>
-#include <uefi/networking.h>
-
-namespace uefi {
-namespace protos {
-struct ip6;
-
-struct ip6
-{
-    static constexpr uefi::guid guid{ 0x2c8759d5,0x5c2d,0x66ef,{0x92,0x5f,0xb6,0x6c,0x10,0x19,0x57,0xe2} };
-    static constexpr uefi::guid service_binding{ 0xec835dd3,0xfe0f,0x617b,{0xa6,0x21,0xb3,0x50,0xc3,0xe1,0x33,0x88} };
-
-
-    inline uefi::status get_mode_data(uefi::ip6_mode_data * ip6_mode_data, uefi::managed_network_config_data * mnp_config_data, uefi::simple_network_mode * snp_config_data) {
-        return _get_mode_data(this, ip6_mode_data, mnp_config_data, snp_config_data);
-    }
-
-    inline uefi::status configure(uefi::ip6_config_data * ip6_config_data) {
-        return _configure(this, ip6_config_data);
-    }
-
-    inline uefi::status groups(bool join_flag, uefi::ipv6_address * group_address) {
-        return _groups(this, join_flag, group_address);
-    }
-
-    inline uefi::status routes(bool delete_route, uefi::ipv6_address * destination, uint8_t prefix_length, uefi::ipv6_address * gateway_address) {
-        return _routes(this, delete_route, destination, prefix_length, gateway_address);
-    }
-
-    inline uefi::status neighbors(bool delete_flag, uefi::ipv6_address * target_ip6_address, uefi::mac_address * target_link_address, uint32_t timeout, bool override) {
-        return _neighbors(this, delete_flag, target_ip6_address, target_link_address, timeout, override);
-    }
-
-    inline uefi::status transmit(uefi::ip6_completion_token * token) {
-        return _transmit(this, token);
-    }
-
-    inline uefi::status receive(uefi::ip6_completion_token * token) {
-        return _receive(this, token);
-    }
-
-    inline uefi::status cancel(uefi::ip6_completion_token * token) {
-        return _cancel(this, token);
-    }
-
-    inline uefi::status poll() {
-        return _poll(this);
-    }
-
-
-protected:
-    using _get_mode_data_def = uefi::status (*)(uefi::protos::ip6 *, uefi::ip6_mode_data *, uefi::managed_network_config_data *, uefi::simple_network_mode *);
-    _get_mode_data_def _get_mode_data;
-
-    using _configure_def = uefi::status (*)(uefi::protos::ip6 *, uefi::ip6_config_data *);
-    _configure_def _configure;
-
-    using _groups_def = uefi::status (*)(uefi::protos::ip6 *, bool, uefi::ipv6_address *);
-    _groups_def _groups;
-
-    using _routes_def = uefi::status (*)(uefi::protos::ip6 *, bool, uefi::ipv6_address *, uint8_t, uefi::ipv6_address *);
-    _routes_def _routes;
-
-    using _neighbors_def = uefi::status (*)(uefi::protos::ip6 *, bool, uefi::ipv6_address *, uefi::mac_address *, uint32_t, bool);
-    _neighbors_def _neighbors;
-
-    using _transmit_def = uefi::status (*)(uefi::protos::ip6 *, uefi::ip6_completion_token *);
-    _transmit_def _transmit;
-
-    using _receive_def = uefi::status (*)(uefi::protos::ip6 *, uefi::ip6_completion_token *);
-    _receive_def _receive;
-
-    using _cancel_def = uefi::status (*)(uefi::protos::ip6 *, uefi::ip6_completion_token *);
-    _cancel_def _cancel;
-
-    using _poll_def = uefi::status (*)(uefi::protos::ip6 *);
-    _poll_def _poll;
-
-public:
-};
-
-} // namespace protos
-} // namespace uefi
-
-#endif // _uefi_protos_ip6_h_

external/uefi/protos/ip6_config.h

@@ -1,57 +0,0 @@
-#pragma once
-#ifndef _uefi_protos_ip6_config_h_
-#define _uefi_protos_ip6_config_h_
-
-// This file was auto generated by the j6-uefi-headers project. Please see
-// https://github.com/justinian/j6-uefi-headers for more information.
-
-#include <uefi/guid.h>
-#include <uefi/types.h>
-#include <uefi/networking.h>
-
-namespace uefi {
-namespace protos {
-struct ip6_config;
-
-struct ip6_config
-{
-    static constexpr uefi::guid guid{ 0x937fe521,0x95ae,0x4d1a,{0x89,0x29,0x48,0xbc,0xd9,0x0a,0xd3,0x1a} };
-
-
-    inline uefi::status set_data(uefi::ip6_config_data_type data_type, size_t data_size, void * data) {
-        return _set_data(this, data_type, data_size, data);
-    }
-
-    inline uefi::status get_data(uefi::ip6_config_data_type data_type, size_t data_size, void * data) {
-        return _get_data(this, data_type, data_size, data);
-    }
-
-    inline uefi::status register_data_notify(uefi::ip6_config_data_type data_type, uefi::event event) {
-        return _register_data_notify(this, data_type, event);
-    }
-
-    inline uefi::status unregister_data_notify(uefi::ip6_config_data_type data_type, uefi::event event) {
-        return _unregister_data_notify(this, data_type, event);
-    }
-
-
-protected:
-    using _set_data_def = uefi::status (*)(uefi::protos::ip6_config *, uefi::ip6_config_data_type, size_t, void *);
-    _set_data_def _set_data;
-
-    using _get_data_def = uefi::status (*)(uefi::protos::ip6_config *, uefi::ip6_config_data_type, size_t, void *);
-    _get_data_def _get_data;
-
-    using _register_data_notify_def = uefi::status (*)(uefi::protos::ip6_config *, uefi::ip6_config_data_type, uefi::event);
-    _register_data_notify_def _register_data_notify;
-
-    using _unregister_data_notify_def = uefi::status (*)(uefi::protos::ip6_config *, uefi::ip6_config_data_type, uefi::event);
-    _unregister_data_notify_def _unregister_data_notify;
-
-public:
-};
-
-} // namespace protos
-} // namespace uefi
-
-#endif // _uefi_protos_ip6_config_h_

external/uefi/protos/load_file.h

@@ -1,36 +0,0 @@
-#pragma once
-#ifndef _uefi_protos_load_file_h_
-#define _uefi_protos_load_file_h_
-
-// This file was auto generated by the j6-uefi-headers project. Please see
-// https://github.com/justinian/j6-uefi-headers for more information.
-
-#include <uefi/guid.h>
-#include <uefi/types.h>
-#include <uefi/protos/device_path.h>
-
-namespace uefi {
-namespace protos {
-struct load_file;
-
-struct load_file
-{
-    static constexpr uefi::guid guid{ {0x56ec3091,0x954c,0x11d2,{0x8e,0x3f,0x00,0xa0,0xc9,0x69,0x72,0x3b} };
-
-
-    inline uefi::status load_file(uefi::protos::device_path * file_path, bool boot_policy, size_t * buffer_size, void * buffer) {
-        return _load_file(this, file_path, boot_policy, buffer_size, buffer);
-    }
-
-
-protected:
-    using _load_file_def = uefi::status (*)(uefi::protos::load_file *, uefi::protos::device_path *, bool, size_t *, void *);
-    _load_file_def _load_file;
-
-public:
-};
-
-} // namespace protos
-} // namespace uefi
-
-#endif // _uefi_protos_load_file_h_

external/uefi/protos/loaded_image.h

@@ -1,49 +0,0 @@
-#pragma once
-#ifndef _uefi_protos_loaded_image_h_
-#define _uefi_protos_loaded_image_h_
-
-// This file was auto generated by the j6-uefi-headers project. Please see
-// https://github.com/justinian/j6-uefi-headers for more information.
-
-#include <uefi/guid.h>
-#include <uefi/types.h>
-#include <uefi/tables.h>
-#include <uefi/protos/device_path.h>
-
-namespace uefi {
-namespace protos {
-struct loaded_image;
-
-struct loaded_image
-{
-    static constexpr uefi::guid guid{ 0x5b1b31a1,0x9562,0x11d2,{0x8e,0x3f,0x00,0xa0,0xc9,0x69,0x72,0x3b} };
-
-
-    inline uefi::status unload(uefi::handle image_handle) {
-        return _unload(image_handle);
-    }
-
-    uint32_t revision;
-    uefi::handle parent_handle;
-    uefi::system_table * system_table;
-    uefi::handle device_handle;
-    uefi::protos::device_path * file_path;
-    void * reserved;
-    uint32_t load_options_size;
-    void * load_options;
-    void * image_base;
-    uint64_t image_size;
-    uefi::memory_type image_code_type;
-    uefi::memory_type image_data_type;
-
-protected:
-    using _unload_def = uefi::status (*)(uefi::handle);
-    _unload_def _unload;
-
-public:
-};
-
-} // namespace protos
-} // namespace uefi
-
-#endif // _uefi_protos_loaded_image_h_

external/uefi/protos/service_binding.h

@@ -1,41 +0,0 @@
-#pragma once
-#ifndef _uefi_protos_service_binding_h_
-#define _uefi_protos_service_binding_h_
-
-// This file was auto generated by the j6-uefi-headers project. Please see
-// https://github.com/justinian/j6-uefi-headers for more information.
-
-#include <uefi/guid.h>
-#include <uefi/types.h>
-
-namespace uefi {
-namespace protos {
-struct service_binding;
-
-struct service_binding
-{
-
-
-    inline uefi::status create_child(uefi::handle * child_handle) {
-        return _create_child(this, child_handle);
-    }
-
-    inline uefi::status destroy_child(uefi::handle child_handle) {
-        return _destroy_child(this, child_handle);
-    }
-
-
-protected:
-    using _create_child_def = uefi::status (*)(uefi::protos::service_binding *, uefi::handle *);
-    _create_child_def _create_child;
-
-    using _destroy_child_def = uefi::status (*)(uefi::protos::service_binding *, uefi::handle);
-    _destroy_child_def _destroy_child;
-
-public:
-};
-
-} // namespace protos
-} // namespace uefi
-
-#endif // _uefi_protos_service_binding_h_

external/uefi/protos/simple_file_system.h

@@ -1,37 +0,0 @@
-#pragma once
-#ifndef _uefi_protos_simple_file_system_h_
-#define _uefi_protos_simple_file_system_h_
-
-// This file was auto generated by the j6-uefi-headers project. Please see
-// https://github.com/justinian/j6-uefi-headers for more information.
-
-#include <uefi/guid.h>
-#include <uefi/types.h>
-#include <uefi/protos/file.h>
-
-namespace uefi {
-namespace protos {
-struct simple_file_system;
-
-struct simple_file_system
-{
-    static constexpr uefi::guid guid{ 0x0964e5b22,0x6459,0x11d2,{0x8e,0x39,0x00,0xa0,0xc9,0x69,0x72,0x3b} };
-
-
-    inline uefi::status open_volume(uefi::protos::file ** root) {
-        return _open_volume(this, root);
-    }
-
-    uint64_t revision;
-
-protected:
-    using _open_volume_def = uefi::status (*)(uefi::protos::simple_file_system *, uefi::protos::file **);
-    _open_volume_def _open_volume;
-
-public:
-};
-
-} // namespace protos
-} // namespace uefi
-
-#endif // _uefi_protos_simple_file_system_h_

external/uefi/protos/simple_text_output.h

@@ -1,93 +0,0 @@
-#pragma once
-#ifndef _uefi_protos_simple_text_output_h_
-#define _uefi_protos_simple_text_output_h_
-
-// This file was auto generated by the j6-uefi-headers project. Please see
-// https://github.com/justinian/j6-uefi-headers for more information.
-
-#include <uefi/guid.h>
-#include <uefi/types.h>
-#include <uefi/graphics.h>
-
-namespace uefi {
-namespace protos {
-struct simple_text_output;
-
-struct simple_text_output
-{
-    static constexpr uefi::guid guid{ 0x387477c2,0x69c7,0x11d2,{0x8e,0x39,0x00,0xa0,0xc9,0x69,0x72,0x3b} };
-
-
-    inline uefi::status reset(bool extended_verification) {
-        return _reset(this, extended_verification);
-    }
-
-    inline uefi::status output_string(const wchar_t * string) {
-        return _output_string(this, string);
-    }
-
-    inline uefi::status test_string(const wchar_t * string) {
-        return _test_string(this, string);
-    }
-
-    inline uefi::status query_mode(uint64_t mode_number, uint64_t * columns, uint64_t * rows) {
-        return _query_mode(this, mode_number, columns, rows);
-    }
-
-    inline uefi::status set_mode(uint64_t mode_number) {
-        return _set_mode(this, mode_number);
-    }
-
-    inline uefi::status set_attribute(uefi::attribute attribute) {
-        return _set_attribute(this, attribute);
-    }
-
-    inline uefi::status clear_screen() {
-        return _clear_screen(this);
-    }
-
-    inline uefi::status set_cursor_position(uint64_t column, uint64_t row) {
-        return _set_cursor_position(this, column, row);
-    }
-
-    inline uefi::status enable_cursor(bool visible) {
-        return _enable_cursor(this, visible);
-    }
-
-
-protected:
-    using _reset_def = uefi::status (*)(uefi::protos::simple_text_output *, bool);
-    _reset_def _reset;
-
-    using _output_string_def = uefi::status (*)(uefi::protos::simple_text_output *, const wchar_t *);
-    _output_string_def _output_string;
-
-    using _test_string_def = uefi::status (*)(uefi::protos::simple_text_output *, const wchar_t *);
-    _test_string_def _test_string;
-
-    using _query_mode_def = uefi::status (*)(uefi::protos::simple_text_output *, uint64_t, uint64_t *, uint64_t *);
-    _query_mode_def _query_mode;
-
-    using _set_mode_def = uefi::status (*)(uefi::protos::simple_text_output *, uint64_t);
-    _set_mode_def _set_mode;
-
-    using _set_attribute_def = uefi::status (*)(uefi::protos::simple_text_output *, uefi::attribute);
-    _set_attribute_def _set_attribute;
-
-    using _clear_screen_def = uefi::status (*)(uefi::protos::simple_text_output *);
-    _clear_screen_def _clear_screen;
-
-    using _set_cursor_position_def = uefi::status (*)(uefi::protos::simple_text_output *, uint64_t, uint64_t);
-    _set_cursor_position_def _set_cursor_position;
-
-    using _enable_cursor_def = uefi::status (*)(uefi::protos::simple_text_output *, bool);
-    _enable_cursor_def _enable_cursor;
-
-public:
-    uefi::text_output_mode * mode;
-};
-
-} // namespace protos
-} // namespace uefi
-
-#endif // _uefi_protos_simple_text_output_h_

external/uefi/runtime_services.h

@@ -1,52 +0,0 @@
-#pragma once
-#ifndef _uefi_runtime_services_h_
-#define _uefi_runtime_services_h_
-
-// This Source Code Form is part of the j6-uefi-headers project and is subject
-// to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was
-// not distributed with this file, You can obtain one at
-// http://mozilla.org/MPL/2.0/.
-
-#include <stdint.h>
-#include <uefi/tables.h>
-
-namespace uefi {
-namespace rs_impl {
-	using convert_pointer = uefi::status (*)(uint64_t, void **);
-	using set_virtual_address_map = uefi::status (*)(size_t, size_t, uint32_t, memory_descriptor *);
-}
-
-struct runtime_services {
-	static constexpr uint64_t signature = 0x56524553544e5552ull;
-
-	table_header header;
-
-	// Time Services
-	void *get_time;
-	void *set_time;
-	void *get_wakeup_time;
-	void *set_wakeup_time;
-
-	// Virtual Memory Services
-	rs_impl::set_virtual_address_map set_virtual_address_map;
-	rs_impl::convert_pointer convert_pointer;
-
-	// Variable Services
-	void *get_variable;
-	void *get_next_variable_name;
-	void *set_variable;
-
-	// Miscellaneous Services
-	void *get_next_high_monotonic_count;
-	void *reset_system;
-
-	// UEFI 2.0 Capsule Services
-	void *update_capsule;
-	void *query_capsule_capabilities;
-
-	// Miscellaneous UEFI 2.0 Service
-	void *query_variable_info;
-};
-
-} // namespace uefi
-#endif

external/uefi/tables.h

@@ -1,73 +0,0 @@
-#pragma once
-#ifndef _uefi_tables_h_
-#define _uefi_tables_h_
-
-// This Source Code Form is part of the j6-uefi-headers project and is subject
-// to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was
-// not distributed with this file, You can obtain one at
-// http://mozilla.org/MPL/2.0/.
-
-#include <stdint.h>
-#include <uefi/guid.h>
-#include <uefi/types.h>
-
-namespace uefi {
-
-struct runtime_services;
-struct boot_services;
-namespace protos {
-	struct simple_text_input;
-	struct simple_text_output;
-}
-
-struct table_header
-{
-	uint64_t signature;
-	uint32_t revision;
-	uint32_t header_size;
-	uint32_t crc32;
-	uint32_t reserved;
-};
-
-struct configuration_table
-{
-	guid vendor_guid;
-	void *vendor_table;
-};
-
-struct system_table
-{
-	table_header header;
-
-	char16_t *firmware_vendor;
-	uint32_t firmware_revision;
-
-	handle console_in_handle;
-	protos::simple_text_input *con_in;
-	handle console_out_handle;
-	protos::simple_text_output *con_out;
-	handle standard_error_handle;
-	protos::simple_text_output *std_err;
-
-	runtime_services *runtime_services;
-	boot_services *boot_services;
-
-	unsigned int number_of_table_entries;
-	configuration_table *configuration_table;
-};
-
-constexpr uint32_t make_system_table_revision(int major, int minor) {
-	return (major << 16) | minor;
-}
-
-constexpr uint64_t system_table_signature = 0x5453595320494249ull;
-constexpr uint32_t system_table_revision = make_system_table_revision(2, 70);
-constexpr uint32_t specification_revision = system_table_revision;
-
-namespace vendor_guids {
-	constexpr guid acpi1{ 0xeb9d2d30,0x2d88,0x11d3,{0x9a,0x16,0x00,0x90,0x27,0x3f,0xc1,0x4d} };
-	constexpr guid acpi2{ 0x8868e871,0xe4f1,0x11d3,{0xbc,0x22,0x00,0x80,0xc7,0x3c,0x88,0x81} };
-} // namespace vendor_guids
-} // namespace uefi
-
-#endif

external/uefi/types.h

@@ -1,157 +0,0 @@
-#pragma once
-#ifndef _uefi_types_h_
-#define _uefi_types_h_
-
-// This Source Code Form is part of the j6-uefi-headers project and is subject
-// to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was
-// not distributed with this file, You can obtain one at
-// http://mozilla.org/MPL/2.0/.
-
-#include <stdint.h>
-
-namespace uefi {
-
-using handle = void *;
-
-
-//
-// Error and status code definitions
-//
-constexpr uint64_t error_bit = 0x8000000000000000ull; 
-constexpr uint64_t make_error(uint64_t e) { return e|error_bit; }
-
-enum class status : uint64_t
-{
-	success = 0,
-
-#define STATUS_WARNING(name, num) name = num,
-#define STATUS_ERROR(name, num) name = make_error(num),
-#include "uefi/errors.inc"
-#undef STATUS_WARNING
-#undef STATUS_ERROR
-};
-
-inline bool is_error(status s) { return static_cast<uint64_t>(s) & error_bit; }
-inline bool is_warning(status s) { return !is_error(s) && s != status::success; }
-
-
-//
-// Time defitions
-//
-struct time
-{
-	uint16_t year;
-	uint8_t month;
-	uint8_t day;
-	uint8_t hour;
-	uint8_t minute;
-	uint8_t second;
-	uint8_t _pad0;
-	uint32_t nanosecond;
-	int16_t time_zone;
-	uint8_t daylight;
-	uint8_t _pad1;
-};
-
-
-//
-// Memory and allocation defitions
-//
-enum class memory_type : uint32_t
-{
-	reserved,
-	loader_code,
-	loader_data,
-	boot_services_code,
-	boot_services_data,
-	runtime_services_code,
-	runtime_services_data,
-	conventional_memory,
-	unusable_memory,
-	acpi_reclaim_memory,
-	acpi_memory_nvs,
-	memory_mapped_io,
-	memory_mapped_io_port_space,
-	pal_code,
-	persistent_memory,
-	max_memory_type
-};
-
-enum class allocate_type : uint32_t
-{
-	any_pages,
-	max_address,
-	address
-};
-
-struct memory_descriptor
-{
-	memory_type type;
-	uintptr_t physical_start;
-	uintptr_t virtual_start;
-	uint64_t number_of_pages;
-	uint64_t attribute;
-};
-
-
-//
-// Event handling defitions
-//
-using event = void *;
-
-enum class evt : uint32_t
-{
-	notify_wait                   = 0x00000100,
-	notify_signal                 = 0x00000200,
-
-	signal_exit_boot_services     = 0x00000201,
-	signal_virtual_address_change = 0x60000202,
-
-	runtime                       = 0x40000000,
-	timer                         = 0x80000000
-};
-
-enum class tpl : uint64_t
-{
-	application = 4,
-	callback    = 8,
-	notify      = 16,
-	high_level  = 31
-};
-
-using event_notify = void (*)(event, void*);
-
-
-//
-// File IO defitions
-//
-struct file_io_token
-{
-	event event;
-	status status;
-	uint64_t buffer_size;
-	void *buffer;
-};
-
-enum class file_mode : uint64_t
-{
-	read   = 0x0000000000000001ull,
-	write  = 0x0000000000000002ull,
-
-	create = 0x8000000000000000ull
-};
-
-enum class file_attr : uint64_t
-{
-	none      = 0,
-	read_only = 0x0000000000000001ull,
-	hidden    = 0x0000000000000002ull,
-	system    = 0x0000000000000004ull,
-	reserved  = 0x0000000000000008ull,
-	directory = 0x0000000000000010ull,
-	archive   = 0x0000000000000020ull
-};
-
-} // namespace uefi
-
-#endif

modules.yaml

@@ -6,98 +6,102 @@ modules:
         output: jsix.elf
         target: host
         deps:
-            - cpu
+            - elf
+            - initrd
             - kutil
+            - vdso
         includes:
             - src/kernel
         source:
+            - src/kernel/crti.s
             - src/kernel/apic.cpp
             - src/kernel/assert.cpp
             - src/kernel/boot.s
-            - src/kernel/clock.cpp
             - src/kernel/console.cpp
             - src/kernel/cpprt.cpp
             - src/kernel/cpu.cpp
             - src/kernel/debug.cpp
             - src/kernel/debug.s
             - src/kernel/device_manager.cpp
+            - src/kernel/font.cpp
             - src/kernel/frame_allocator.cpp
             - src/kernel/fs/gpt.cpp
             - src/kernel/gdt.cpp
             - src/kernel/gdt.s
-            - src/kernel/hpet.cpp
             - src/kernel/interrupts.cpp
             - src/kernel/interrupts.s
             - src/kernel/io.cpp
+            - src/kernel/loader.s
             - src/kernel/log.cpp
             - src/kernel/main.cpp
             - src/kernel/memory_bootstrap.cpp
             - src/kernel/msr.cpp
-            - src/kernel/objects/channel.cpp
+            - src/kernel/objects/handle.cpp
-            - src/kernel/objects/endpoint.cpp
             - src/kernel/objects/kobject.cpp
-            - src/kernel/objects/thread.cpp
+            - src/kernel/page_manager.cpp
-            - src/kernel/objects/process.cpp
-            - src/kernel/objects/system.cpp
-            - src/kernel/objects/vm_area.cpp
-            - src/kernel/page_table.cpp
-            - src/kernel/page_tree.cpp
             - src/kernel/pci.cpp
+            - src/kernel/process.cpp
             - src/kernel/scheduler.cpp
+            - src/kernel/screen.cpp
             - src/kernel/serial.cpp
-            - src/kernel/symbol_table.cpp
             - src/kernel/syscall.cpp
             - src/kernel/syscall.s
-            - src/kernel/syscalls/channel.cpp
-            - src/kernel/syscalls/endpoint.cpp
             - src/kernel/syscalls/object.cpp
             - src/kernel/syscalls/process.cpp
-            - src/kernel/syscalls/system.cpp
-            - src/kernel/syscalls/thread.cpp
-            - src/kernel/syscalls/vm_area.cpp
             - src/kernel/task.s
-            - src/kernel/vm_space.cpp
+            - src/kernel/crtn.s
 
     boot:
         kind: exe
         target: boot
-        output: boot.efi
+        output: boot.elf
-        deps:
-            - cpu
         source:
-            - src/boot/main.cpp
+            - src/boot/crt0.s
             - src/boot/console.cpp
-            - src/boot/error.cpp
+            - src/boot/guids.cpp
-            - src/boot/fs.cpp
-            - src/boot/hardware.cpp
             - src/boot/loader.cpp
+            - src/boot/main.cpp
             - src/boot/memory.cpp
-            - src/boot/paging.cpp
+            - src/boot/reloc.cpp
-            - src/boot/status.cpp
+            - src/boot/utility.cpp
-            - src/boot/support.cpp
+
+    vdso:
+        kind: exe
+        target: host
+        output: libvdso.so
+        extra:
+            - src/arch/x86_64/vdso.ld
+        source:
+            - src/vdso/syscalls.cpp
+            - src/vdso/overrides.cpp
 
     nulldrv:
         kind: exe
         target: user
-        output: nulldrv.elf
+        output: nulldrv
-        deps:
-          - libc
         source:
-            - src/drivers/nulldrv/io.cpp
             - src/drivers/nulldrv/main.cpp
-            - src/drivers/nulldrv/serial.cpp
+            - src/drivers/nulldrv/main.s
 
-    fb:
+    elf:
-        kind: exe
+        kind: lib
-        target: user
+        output: libelf.a
-        output: fb.elf
         deps:
-          - libc
+            - kutil
+        includes:
+            - src/libraries/elf/include
         source:
-            - src/drivers/fb/font.cpp
+            - src/libraries/elf/elf.cpp
-            - src/drivers/fb/main.cpp
+
-            - src/drivers/fb/screen.cpp
+    initrd:
-            - src/drivers/fb/scrollback.cpp
+        kind: lib
+        output: libinitrd.a
+        deps:
+            - kutil
+        includes:
+            - src/libraries/initrd/include
+        source:
+            - src/libraries/initrd/initrd.cpp
 
     kutil:
         kind: lib
@@ -111,202 +115,17 @@ modules:
             - src/libraries/kutil/logger.cpp
             - src/libraries/kutil/memory.cpp
             - src/libraries/kutil/printf.c
+            - src/libraries/kutil/vm_space.cpp
 
-    cpu:
+    makerd:
-        kind: lib
+        kind: exe
-        output: libcpu.a
+        target: native
-        includes:
+        output: makerd
-            - src/libraries/cpu/include
-        source:
-            - src/libraries/cpu/cpu.cpp
-
-    j6:
-      kind: lib
-      output: libj6.a
-      includes:
-        - src/libraries/j6/include
-      target: user
-      source:
-        - src/libraries/j6/syscalls.s
-
-    libc:
-        kind: lib
-        output: libc.a
-        includes:
-          - src/libraries/libc/include
         deps:
-            - j6
+            - initrd
-        target: user
-        defines:
-            - DISABLE_SSE
-            - LACKS_UNISTD_H
-            - LACKS_FCNTL_H
-            - LACKS_SYS_PARAM_H
-            - LACKS_SYS_MMAN_H
-            - LACKS_SCHED_H
-            - LACKS_STRINGS_H
-            - HAVE_MMAP=0
-              #- LACKS_STRING_H
-              #- LACKS_ERRNO_H
-              #- LACKS_STDLIB_H
-              #- LACKS_TIME_H
         source:
-            - src/libraries/libc/arch/x86_64/_Exit.s
+            - src/tools/makerd/entry.cpp
-            - src/libraries/libc/arch/x86_64/crt0.s
+            - src/tools/makerd/main.cpp
-            - src/libraries/libc/arch/x86_64/init_libc.c
-            - src/libraries/libc/ctype/isalnum.c
-            - src/libraries/libc/ctype/isalpha.c
-            - src/libraries/libc/ctype/isblank.c
-            - src/libraries/libc/ctype/iscntrl.c
-            - src/libraries/libc/ctype/isdigit.c
-            - src/libraries/libc/ctype/isgraph.c
-            - src/libraries/libc/ctype/islower.c
-            - src/libraries/libc/ctype/isprint.c
-            - src/libraries/libc/ctype/ispunct.c
-            - src/libraries/libc/ctype/isspace.c
-            - src/libraries/libc/ctype/isupper.c
-            - src/libraries/libc/ctype/isxdigit.c
-            - src/libraries/libc/ctype/tolower.c
-            - src/libraries/libc/ctype/toupper.c
-            - src/libraries/libc/inttypes/imaxabs.c
-            - src/libraries/libc/inttypes/imaxdiv.c
-            - src/libraries/libc/inttypes/strtoimax.c
-            - src/libraries/libc/inttypes/strtoumax.c
-            - src/libraries/libc/locale/localeconv.c
-            - src/libraries/libc/locale/setlocale.c
-            - src/libraries/libc/j6libc/assert.c
-            - src/libraries/libc/j6libc/errno.c
-            - src/libraries/libc/j6libc/allocpages.c
-            - src/libraries/libc/j6libc/atomax.c
-            - src/libraries/libc/j6libc/closeall.c
-            - src/libraries/libc/j6libc/close.c
-            - src/libraries/libc/j6libc/digits.c
-            - src/libraries/libc/j6libc/filemode.c
-            - src/libraries/libc/j6libc/fillbuffer.c
-            - src/libraries/libc/j6libc/flushbuffer.c
-            - src/libraries/libc/j6libc/is_leap.c
-            - src/libraries/libc/j6libc/load_lc_collate.c
-            - src/libraries/libc/j6libc/load_lc_ctype.c
-            - src/libraries/libc/j6libc/load_lc_messages.c
-            - src/libraries/libc/j6libc/load_lc_monetary.c
-            - src/libraries/libc/j6libc/load_lc_numeric.c
-            - src/libraries/libc/j6libc/load_lc_time.c
-            - src/libraries/libc/j6libc/load_lines.c
-            - src/libraries/libc/j6libc/open.c
-            - src/libraries/libc/j6libc/prepread.c
-            - src/libraries/libc/j6libc/prepwrite.c
-            - src/libraries/libc/j6libc/print.c
-            - src/libraries/libc/j6libc/rename.c
-            - src/libraries/libc/j6libc/scan.c
-            - src/libraries/libc/j6libc/seed.c
-            - src/libraries/libc/j6libc/seek.c
-            - src/libraries/libc/j6libc/stdinit.c
-            - src/libraries/libc/j6libc/strtox_main.c
-            - src/libraries/libc/j6libc/strtox_prelim.c
-            - src/libraries/libc/j6libc/sbrk.c
-            - src/libraries/libc/signal/raise.c
-            - src/libraries/libc/signal/signal.c
-            - src/libraries/libc/stdio/clearerr.c
-            - src/libraries/libc/stdio/fclose.c
-            - src/libraries/libc/stdio/feof.c
-            - src/libraries/libc/stdio/ferror.c
-            - src/libraries/libc/stdio/fflush.c
-            - src/libraries/libc/stdio/fgetc.c
-            - src/libraries/libc/stdio/fgetpos.c
-            - src/libraries/libc/stdio/fgets.c
-            - src/libraries/libc/stdio/fopen.c
-            - src/libraries/libc/stdio/fprintf.c
-            - src/libraries/libc/stdio/fputc.c
-            - src/libraries/libc/stdio/fputs.c
-            - src/libraries/libc/stdio/fread.c
-            - src/libraries/libc/stdio/freopen.c
-            - src/libraries/libc/stdio/fscanf.c
-            - src/libraries/libc/stdio/fseek.c
-            - src/libraries/libc/stdio/fsetpos.c
-            - src/libraries/libc/stdio/ftell.c
-            - src/libraries/libc/stdio/fwrite.c
-            - src/libraries/libc/stdio/getc.c
-            - src/libraries/libc/stdio/getchar.c
-            - src/libraries/libc/stdio/perror.c
-            - src/libraries/libc/stdio/printf.c
-            - src/libraries/libc/stdio/putc.c
-            - src/libraries/libc/stdio/putchar.c
-            - src/libraries/libc/stdio/puts.c
-            - src/libraries/libc/stdio/remove.c
-            - src/libraries/libc/stdio/rename.c
-            - src/libraries/libc/stdio/rewind.c
-            - src/libraries/libc/stdio/scanf.c
-            - src/libraries/libc/stdio/setbuf.c
-            - src/libraries/libc/stdio/setvbuf.c
-            - src/libraries/libc/stdio/snprintf.c
-            - src/libraries/libc/stdio/sprintf.c
-            - src/libraries/libc/stdio/sscanf.c
-            - src/libraries/libc/stdio/tmpfile.c
-            - src/libraries/libc/stdio/tmpnam.c
-            - src/libraries/libc/stdio/ungetc.c
-            - src/libraries/libc/stdio/vfprintf.c
-            - src/libraries/libc/stdio/vfscanf.c
-            - src/libraries/libc/stdio/vprintf.c
-            - src/libraries/libc/stdio/vscanf.c
-            - src/libraries/libc/stdio/vsnprintf.c
-            - src/libraries/libc/stdio/vsprintf.c
-            - src/libraries/libc/stdio/vsscanf.c
-            - src/libraries/libc/stdlib/abort.c
-            - src/libraries/libc/stdlib/abs.c
-            - src/libraries/libc/stdlib/atexit.c
-            - src/libraries/libc/stdlib/atoi.c
-            - src/libraries/libc/stdlib/atol.c
-            - src/libraries/libc/stdlib/atoll.c
-            - src/libraries/libc/stdlib/bsearch.c
-            - src/libraries/libc/stdlib/div.c
-            - src/libraries/libc/stdlib/exit.c
-            - src/libraries/libc/stdlib/_Exit.c
-            - src/libraries/libc/stdlib/getenv.c
-            - src/libraries/libc/stdlib/labs.c
-            - src/libraries/libc/stdlib/ldiv.c
-            - src/libraries/libc/stdlib/llabs.c
-            - src/libraries/libc/stdlib/lldiv.c
-            - src/libraries/libc/stdlib/malloc.c
-            - src/libraries/libc/stdlib/qsort.c
-            - src/libraries/libc/stdlib/rand.c
-            - src/libraries/libc/stdlib/srand.c
-            - src/libraries/libc/stdlib/strtol.c
-            - src/libraries/libc/stdlib/strtoll.c
-            - src/libraries/libc/stdlib/strtoul.c
-            - src/libraries/libc/stdlib/strtoull.c
-            - src/libraries/libc/stdlib/system.c
-            - src/libraries/libc/string/memchr.c
-            - src/libraries/libc/string/memcmp.c
-            - src/libraries/libc/string/memcpy.c
-            - src/libraries/libc/string/memmove.c
-            - src/libraries/libc/string/memset.c
-            - src/libraries/libc/string/strcat.c
-            - src/libraries/libc/string/strchr.c
-            - src/libraries/libc/string/strcmp.c
-            - src/libraries/libc/string/strcoll.c
-            - src/libraries/libc/string/strcpy.c
-            - src/libraries/libc/string/strcspn.c
-            - src/libraries/libc/string/strerror.c
-            - src/libraries/libc/string/strlen.c
-            - src/libraries/libc/string/strncat.c
-            - src/libraries/libc/string/strncmp.c
-            - src/libraries/libc/string/strncpy.c
-            - src/libraries/libc/string/strpbrk.c
-            - src/libraries/libc/string/strrchr.c
-            - src/libraries/libc/string/strspn.c
-            - src/libraries/libc/string/strstr.c
-            - src/libraries/libc/string/strtok.c
-            - src/libraries/libc/string/strxfrm.c
-            - src/libraries/libc/time/asctime.c
-            - src/libraries/libc/time/clock.c
-            - src/libraries/libc/time/ctime.c
-            - src/libraries/libc/time/difftime.c
-            - src/libraries/libc/time/gmtime.c
-            - src/libraries/libc/time/localtime.c
-            - src/libraries/libc/time/mktime.c
-            - src/libraries/libc/time/strftime.c
-            - src/libraries/libc/time/time.c
-            - src/libraries/libc/time/timespec_get.c
 
     tests:
         kind: exe
@@ -315,14 +134,12 @@ modules:
         deps:
             - kutil
         source:
+            - src/tests/address_manager.cpp
             - src/tests/constexpr_hash.cpp
             - src/tests/linked_list.cpp
             - src/tests/logger.cpp
             - src/tests/heap_allocator.cpp
             - src/tests/main.cpp
-            - src/tests/map.cpp
-            - src/tests/vector.cpp
-
 overlays:
     - url: https://f000.backblazeb2.com/file/jsix-os/sysroot-llvm8-20190706.tar.bz2
       path: sysroot

other_software.md

@@ -87,3 +87,46 @@ which is also released under the terms of the MIT license:
 > LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 > OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 > SOFTWARE.
+
+## GNU-EFI
+
+jsix's UEFI bootloader initially used [GNU-EFI][], and still uses one file (the
+linker script for the bootloader) from that project. GNU-EFI claims to be
+released under the BSD license. Again, I could not find its specific license
+file, so I am reproducing a generic 3-clause BSD license (the most restrictive,
+so as not to assume any extra rights that may not actually be granted) for it
+here:
+
+[GNU-EFI]: https://gnu-efi.sourceforge.net
+
+> Copyright (c) Nigel Croxon
+> 
+> Redistribution and use in source and binary forms, with or without
+> modification, are permitted provided that the following conditions are met:
+> 
+> 1. Redistributions of source code must retain the above copyright notice, this
+>    list of conditions and the following disclaimer.
+> 
+> 2. Redistributions in binary form must reproduce the above copyright notice,
+>    this list of conditions and the following disclaimer in the documentation
+>    and/or other materials provided with the distribution.
+> 
+> 3. Neither the name of the copyright holder nor the names of its contributors
+>    may be used to endorse or promote products derived from this software
+>    without specific prior written permission.
+> 
+> THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+> ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+> WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+> DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+> FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+> DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+> SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+> CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+> OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+> OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+## Intel EFI Application Toolkit
+
+jsix's UEFI loader uses code from Intel's EFI Application toolkit. Relevant
+code includes license statements at the top of each file.

qemu.sh

@@ -3,30 +3,19 @@
 build="$(dirname $0)/build"
 assets="$(dirname $0)/assets"
 debug=""
-debugtarget="${build}/jsix.elf"
 flash_name="ovmf_vars"
 gfx="-nographic"
-vga="-vga none"
 kvm=""
 cpu="Broadwell,+pdpe1gb"
 
 for arg in $@; do
 	case "${arg}" in
-		--debugboot)
-			debug="-s -S"
-			debugtarget="${build}/boot/boot.efi"
-			flash_name="ovmf_vars_d"
-			;;
 		--debug)
-			debug="-s -S"
+			debug="-s"
 			flash_name="ovmf_vars_d"
 			;;
 		--gfx)
 			gfx=""
-			vga=""
-			;;
-		--vga)
-			vga=""
 			;;
 		--kvm)
 			kvm="-enable-kvm"
@@ -48,10 +37,8 @@ fi
 
 if [[ -n $TMUX ]]; then
 	if [[ -n $debug ]]; then
-		tmux split-window -h "gdb ${debugtarget}" &
+		tmux split-window "gdb ${build}/jsix.elf" &
 	else
-		tmux split-window -h -l 80 "sleep 1; telnet localhost 45455" &
-		tmux last-pane
 		tmux split-window -l 10 "sleep 1; telnet localhost 45454" &
 	fi
 elif [[ $DESKTOP_SESSION = "i3" ]]; then
@@ -68,8 +55,6 @@ exec qemu-system-x86_64 \
 	-drive "format=raw,file=${build}/jsix.img" \
 	-device "isa-debug-exit,iobase=0xf4,iosize=0x04" \
 	-monitor telnet:localhost:45454,server,nowait \
-	-serial stdio \
-	-serial telnet:localhost:45455,server,nowait \
 	-smp 4 \
 	-m 512 \
 	-d mmu,int,guest_errors \
@@ -77,4 +62,4 @@ exec qemu-system-x86_64 \
 	-cpu "${cpu}" \
 	-M q35 \
 	-no-reboot \
-	$gfx $vga $kvm $debug
+	$gfx $kvm $debug

scripts/build_symbol_table.py

@@ -1,75 +0,0 @@
-#!/usr/bin/env python3
-#
-# Generate the jsix style symbol table. The format in memory of this table
-# is as follows:
-#
-# <num_entires> : 8 bytes
-# <index>       : 16 * N bytes
-# <name data>   : variable
-#
-# Each index entry has the format
-# <symbol address> : 8 bytes
-# <offset of name> : 8 bytes
-#
-# Name offsets are from the start of the symbol table as a whole. (ie,
-# where <num_entries> is located.)
-
-def parse_syms(infile):
-    """Take the output of the `nm` command, and parse it into a tuple
-    representing the symbols in the text segment of the binary. Returns
-    a list of (address, symbol_name)."""
-
-    from cxxfilt import demangle, InvalidName
-
-    syms = []
-    for line in sys.stdin:
-        addr, t, mangled = line.split()
-        if t not in "tTvVwW": continue
-
-        try:
-            name = demangle(mangled)
-        except InvalidName:
-            continue
-
-        addr = int(addr, base=16)
-        syms.append((addr, name))
-
-    return sorted(syms)
-
-
-def write_table(syms, outfile):
-    """Write the given symbol table as generated by parse_syms()
-    to the outfile, index first, and then name character data."""
-
-    import struct
-
-    outfile.write(struct.pack("@Q", len(syms)))
-    index_pos = outfile.tell()
-
-    outfile.seek(struct.calcsize("@QQ") * len(syms), 1)
-    nul = b'\0'
-
-    positions = {}
-    for s in syms:
-        addr, name = s
-        positions[addr] = outfile.tell()
-
-        data = name.encode('utf-8')
-        outfile.write(name.encode('utf-8'))
-        outfile.write(nul)
-
-    outfile.seek(index_pos)
-    for s in syms:
-        addr = s[0]
-        pos = positions[addr]
-        outfile.write(struct.pack("@QQ", addr, pos))
-
-
-if __name__ == "__main__":
-    import sys
-    if len(sys.argv) != 2:
-        print(f"Usage: {sys.argv[0]} <output>")
-        sys.exit(1)
-
-    outfile = open(sys.argv[1], "wb")
-    write_table(parse_syms(sys.stdin), outfile)

scripts/fontpsf.py

@@ -1,75 +0,0 @@
-_MAGIC = (0x72, 0xb5, 0x4a, 0x86)
-_VERSION = 0
-
-class PSF2:
-    from collections import namedtuple
-    Header = namedtuple("PSF2Header",
-        ["version", "offset", "flags", "count", "charsize", "height", "width"])
-
-    def __init__(self, filename, header, data):
-        self.__filename = filename
-        self.__header = header
-        self.__data = data
-
-    data = property(lambda self: self.__data)
-    header = property(lambda self: self.__header)
-    count = property(lambda self: self.__header.count)
-    charsize = property(lambda self: self.__header.charsize)
-    dimension = property(lambda self: (self.__header.width, self.__header.height))
-    filename = property(lambda self: self.__filename)
-
-    @classmethod
-    def load(cls, filename):
-        from os.path import basename
-        from struct import unpack_from
-
-        data = open(filename, 'rb').read()
-
-        fmt = "BBBBIIIIIII"
-        values = unpack_from(fmt, data)
-
-        if values[:len(_MAGIC)] != _MAGIC:
-            raise Exception("Bad magic number in header")
-
-        header = PSF2.Header(*values[len(_MAGIC):])
-        if header.version != _VERSION:
-            raise Exception(f"Bad version {header.version} in header")
-
-        return cls(basename(filename), header, data)
-
-    class Glyph:
-        __slots__ = ['index', 'data']
-        def __init__(self, i, data):
-            self.index = i
-            self.data = data
-        def __index__(self):
-            return self.index
-        def empty(self):
-            return not bool([b for b in self.data if b != 0])
-        def description(self):
-            c = chr(self.index)
-            if c.isprintable():
-                return "Glyph {:02x}: '{}'".format(self.index, c)
-            else:
-                return "Glyph {:02x}".format(self.index)
-
-    def __getitem__(self, i):
-        c = self.__header.charsize
-        n = i * c + self.__header.offset
-        return PSF2.Glyph(i, self.__data[n:n+c])
-
-    class __iter:
-        __slots__ = ['font', 'n']
-        def __init__(self, font):
-            self.font = font
-            self.n = 0
-        def __next__(self):
-            if self.n < self.font.count:
-                glyph = self.font[self.n]
-                self.n += 1
-                return glyph
-            else:
-                raise StopIteration
-
-    def __iter__(self):
-        return PSF2.__iter(self)

scripts/parse_font.py

@@ -1,6 +1,21 @@
 #!/usr/bin/env python3
 
-from fontpsf import PSF2
+MAGIC = (0x72, 0xb5, 0x4a, 0x86)
+
+from collections import namedtuple
+PSF2 = namedtuple("PSF2", ["version", "offset", "flags", "count", "charsize", "height", "width"])
+
+def read_header(data):
+    from struct import unpack_from, calcsize
+
+    fmt = "BBBBIIIIIII"
+
+    values = unpack_from(fmt, data)
+    if values[:len(MAGIC)] != MAGIC:
+        raise Exception("Bad magic number in header")
+
+    return PSF2(*values[len(MAGIC):])
+
 
 def print_glyph(header, data):
     bw = (header.width + 7) // 8
@@ -13,15 +28,16 @@ def print_glyph(header, data):
 
 
 def display_font(filename):
-    font = PSF2.load(filename)
+    data = open(filename, 'rb').read()
-    print(font.header)
 
-    for glyph in font:
+    header = read_header(data)
-        if glyph.empty():
+    print(header)
-            print("{}: BLANK".format(glyph.description()))
+
-        else:
+    c = header.charsize
-            print("{}:".format(glyph.description()))
+    for i in range(0, header.count):
-            print_glyph(font.header, glyph.data)
+        n = i * c + header.offset
+        print("Glyph {}:".format(i))
+        print_glyph(header, data[n:n+c])
 
 
 if __name__ == "__main__":

scripts/psf_to_cpp.py

@@ -1,27 +0,0 @@
-#!/usr/bin/env python3
-
-from fontpsf import PSF2
-
-def print_header(filename):
-    font = PSF2.load(filename)
-
-    print("#pragma once")
-    print(f"// This file was autogenerated by psf_to_cpp.py from {font.filename}\n")
-
-    print(f"const uint8_t font_glyph_size = {font.charsize};")
-    print(f"const uint8_t font_glyph_width = {font.dimension[0]};")
-    print(f"const uint8_t font_glyph_height = {font.dimension[1]};")
-    print(f"const uint16_t font_glyph_count = {font.count};\n")
-
-    print('const uint8_t font_glyph_data[] = {')
-
-    for glyph in font:
-        print("    ", "".join([f"0x{b:02x}," for b in glyph.data]), end="")
-        print(" // {}".format(glyph.description()))
-
-    print("};")
-
-if __name__ == "__main__":
-    import sys
-    for filename in sys.argv[1:]:
-        print_header(filename)

scripts/templates/build.ninja.j2

@@ -28,7 +28,6 @@ warnflags = $
     -Wno-unused-result $
     -Wno-deprecated-declarations $
     -Wno-unused-function $
-    -Wno-address-of-packed-member $
     -Werror
 
 ccflags = $
@@ -44,14 +43,14 @@ ccflags = $
     $warnflags
 
 asflags = $
+    -I${srcroot}/src/include $
     -DVERSION_MAJOR={{ version_major }} $
     -DVERSION_MINOR={{ version_minor }} $
     -DVERSION_PATCH={{ version_patch }} $
-    -DVERSION_GITSHA=0x{{ version_sha }} $
+    -DVERSION_GITSHA=0x{{ version_sha }}
-    -I${srcroot}/src/include
 
 cflags = -std=c11
-cxxflags = -std=c++17
+cxxflags = -std=c++14
 libs =
 
 rule c
@@ -68,7 +67,7 @@ rule dump_c_run
     description = Dumping C arguments for $target
     command = $
         echo "#!/bin/bash" > $out; $
-        echo '$cc $ccflags $cflags $$*' >> $out; $
+        echo '$cc $ccflags $cflags $$*' > $out; $
         chmod a+x $out
 
 rule cpp
@@ -85,7 +84,7 @@ rule dump_cpp_run
     description = Dumping C++ arguments for $target
     command = $
         echo "#!/bin/bash" > $out; $
-        echo '$cc $cxxflags $ccflags $$*' >> $out; $
+        echo '$cc $cxxflags $ccflags $$*' > $out; $
         chmod a+x $out
 
 rule s
@@ -119,9 +118,9 @@ rule dump
     description = Dumping decompiled $name
     command = objdump -DSC -M intel $in > $out
 
-rule makest
+rule makerd
-    description = Making symbol table
+    description = Making init ramdisk
-    command = nm $in | ${srcroot}/scripts/build_symbol_table.py $out
+    command = $builddir/native/makerd $in $out
 
 rule makeefi
     description = Converting $name
@@ -187,18 +186,13 @@ build $builddir/fatroot/jsix.elf : cp $builddir/jsix.elf
 build $builddir/fatroot/efi/boot/bootx64.efi : cp $builddir/boot/boot.efi
     name = bootloader to FAT image
 
-build $builddir/fatroot/nulldrv.elf : cp $builddir/user/nulldrv.elf
+build $builddir/fatroot/initrd.img : makerd ${srcroot}/assets/initrd.toml | $
-    name = null driver to FAT image
+    ${builddir}/host/libvdso.so $
-
+    ${builddir}/native/makerd $
-build $builddir/fatroot/fb.elf : cp $builddir/user/fb.elf
+    ${builddir}/user/nulldrv
-    name = fb driver to FAT image
-
-build ${builddir}/fatroot/symbol_table.dat : makest ${builddir}/jsix.elf
 
 build $builddir/jsix.img : makefat | $
-    $builddir/fatroot/symbol_table.dat $
+    $builddir/fatroot/initrd.img $
-    $builddir/fatroot/nulldrv.elf $
-    $builddir/fatroot/fb.elf $
     $builddir/fatroot/jsix.elf $
     $builddir/fatroot/efi/boot/bootx64.efi
     name = jsix.img

scripts/templates/exe.boot.j2

@@ -3,10 +3,23 @@
 {{ super() }}
 
 ccflags = $ccflags $
-    -g3 $
     -DKERNEL_FILENAME=L\"jsix.elf\" $
-    -I${srcroot}/external/include $
+    -DGNU_EFI_USE_MS_ABI $
-    -I${srcroot}/external/include/X64
+    -DHAVE_USE_MS_ABI $
+    -DEFI_DEBUG=0 $
+    -DEFI_DEBUG_CLEAR_MEMORY=0 $
+    -DBOOTLOADER_DEBUG
+
+ldflags = $ldflags $
+    -T ${srcroot}/src/arch/x86_64/boot.ld $
+    -shared
+
+{% endblock %}
+
+{% block extra %}
+
+build $builddir/boot.efi : makeefi ${builddir}/{{ module.output }}
+    name = boot.efi
 
 {% endblock %}
 

scripts/templates/exe.kernel.j2

@@ -5,7 +5,6 @@
 asflags = $asflags -I${srcroot}/src/kernel/
 libs = $libs
 ldflags = $ldflags -T ${srcroot}/src/arch/x86_64/kernel.ld
-ccflags = $ccflags -I${srcroot}/external
 
 {% endblock %}
 

scripts/templates/exe.vdso.j2

@@ -0,0 +1,9 @@
+{% extends "exe.default.j2" %}
+{% block variables %}
+{{ super() }}
+ccflags = $ccflags -fPIC -mcmodel=large
+ldflags = $ldflags -shared -znotext -T ${srcroot}/src/arch/x86_64/vdso.ld
+{% endblock %}
+
+# vim: ft=ninja et ts=4 sts=4 sw=4
+

scripts/templates/target.boot.j2

@@ -3,7 +3,7 @@
 {% block binaries %}
 cc = clang
 cxx = clang++
-ld = clang++
+ld = ld
 ar = ar
 nasm = nasm
 objcopy = objcopy
@@ -12,25 +12,27 @@ objcopy = objcopy
 {% block variables %}
 
 ccflags = $ccflags $
-    -I $srcroot/external $
+	-ggdb $
-    --target=x86_64-unknown-windows $
+	-nostdlib $
 	-ffreestanding $
+	-nodefaultlibs $
+	-fno-builtin $
+	-mno-sse $
+	-fno-omit-frame-pointer $
 	-mno-red-zone $
 	-fshort-wchar $
-	-fno-omit-frame-pointer $
+	-D__ELF__ $
-	-ggdb
+	-fPIC
 
 cxxflags = $cxxflags $
+	-fno-exceptions $
 	-fno-rtti $
-    -fno-exceptions
 
 ldflags = $ldflags $
-    --target=x86_64-unknown-windows $
+	-g $
 	-nostdlib $
-    -Wl,-entry:efi_main $
+	-Bsymbolic $
-    -Wl,-subsystem:efi_application $
+	-nostartfiles
-    -fuse-ld=lld-link $
-	-g
 
 {% endblock %}
 

scripts/templates/target.default.j2

@@ -22,10 +22,5 @@ build ${builddir}/cpp.defs : dump_cpp_defs | {{ buildfile }}
 build ${builddir}/c.run : dump_c_run | {{ buildfile }}
 build ${builddir}/cpp.run : dump_cpp_run | {{ buildfile }}
 
-default ${builddir}/c.defs
-default ${builddir}/cpp.defs
-default ${builddir}/c.run
-default ${builddir}/cpp.run
-
 # vim: ft=ninja et ts=4 sts=4 sw=4
 

scripts/templates/target.host.j2

@@ -24,7 +24,6 @@ ccflags = $ccflags $
     -D__ELF__ $
     -D__JSIX__ $
     -isystem${srcroot}/sysroot/include $
-    -isystem${srcroot}/src/libraries/libc/include $
     --sysroot="${srcroot}/sysroot"
 
 cxxflags = $cxxflags $

scripts/templates/target.user.j2

@@ -23,7 +23,6 @@ ccflags = $ccflags $
     -D__ELF__ $
     -D__JSIX__ $
     -isystem${srcroot}/sysroot/include $
-    -isystem${srcroot}/src/libraries/libc/include $
     --sysroot="${srcroot}/sysroot"
 
 cxxflags = $cxxflags $
@@ -39,6 +38,9 @@ ldflags = $ldflags $
     --sysroot="${srcroot}/sysroot" $
 	-L "${srcroot}/sysroot/lib" $
 
+libs = $libs $
+	-lc
+
 {% endblock %}
 
 # vim: ft=ninja et ts=4 sts=4 sw=4

src/arch/x86_64/boot.ld

@@ -0,0 +1,79 @@
+/* Linker script originally from GNU-EFI project
+ * https://sourceforge.net/p/gnu-efi/
+ */
+
+OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64")
+OUTPUT_ARCH(i386:x86-64)
+ENTRY(_start)
+SECTIONS
+{
+  . = 0;
+  ImageBase = .;
+  /* .hash and/or .gnu.hash MUST come first! */
+  .hash : { *(.hash) }
+  .gnu.hash : { *(.gnu.hash) }
+  . = ALIGN(4096);
+  .eh_frame : 
+  { 
+    *(.eh_frame)
+  }
+  . = ALIGN(4096);
+  .text :
+  {
+   _text = .;
+   *(.text)
+   *(.text.*)
+   *(.gnu.linkonce.t.*)
+   . = ALIGN(16);
+  }
+  _etext = .;
+  _text_size = . - _text;
+  . = ALIGN(4096);
+  .reloc :
+  {
+   *(.reloc)
+  }
+  . = ALIGN(4096);
+  .data :
+  {
+   _data = .;
+   *(.rodata*)
+   *(.got.plt)
+   *(.got)
+   *(.data*)
+   *(.sdata)
+   /* the EFI loader doesn't seem to like a .bss section, so we stick
+      it all into .data: */
+   *(.sbss)
+   *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+   *(.rel.local)
+  }
+  .note.gnu.build-id : { *(.note.gnu.build-id) }
+
+  _edata = .;
+  _data_size = . - _etext;
+  . = ALIGN(4096);
+  .dynamic  : { *(.dynamic) }
+  . = ALIGN(4096);
+  .rela :
+  {
+    *(.rela.data*)
+    *(.rela.got)
+    *(.rela.stab)
+  }
+  . = ALIGN(4096);
+  .dynsym   : { *(.dynsym) }
+  . = ALIGN(4096);
+  .dynstr   : { *(.dynstr) }
+  . = ALIGN(4096);
+  .ignored.reloc :
+  {
+    *(.rela.reloc)
+    *(.eh_frame)
+    *(.note.GNU-stack)
+  }
+  .comment 0 : { *(.comment) }
+}

src/arch/x86_64/kernel.ld

@@ -1,7 +1,8 @@
-ENTRY(_kernel_start)
+ENTRY(_start)
 SECTIONS
 {
-	. = 0xFFFF800000000000;
+	OFFSET = 0xFFFFFF0000000000;
+	. = OFFSET + 0x100000;
 
 	.header : {
 		__header_start = .;
@@ -19,12 +20,6 @@ SECTIONS
 		 *(.rodata)
 	}
 
-	.ctors : ALIGN(8) {
-		 __ctors = .;
-		 KEEP(*(.ctors))
-		 __ctors_end = .;
-	 }
-
 	.bss ALIGN(4096) : {
 		__bss_start = .;
 		*(.bss)

src/arch/x86_64/vdso.ld

@@ -0,0 +1,73 @@
+PHDRS {
+	headers PT_PHDR FLAGS(4) FILEHDR PHDRS ;
+	rodata PT_LOAD FLAGS(4) ;
+	text PT_LOAD FLAGS(5) ;
+	dynamic PT_DYNAMIC FLAGS(4) ;
+	note PT_NOTE ;
+	eh_frame PT_GNU_EH_FRAME ;
+}
+
+SECTIONS {
+	. = SIZEOF_HEADERS;
+
+	/DISCARD/ : {
+		*(.got*)
+		*(.plt*)
+		*(.note.*)
+		*(.hash*)
+		*(.debug*)
+	}
+
+	.illegal.relocations : {
+		*(.rel*)
+	}
+
+	.illegal.writeable : {
+		*(.data*)
+		*(.bss*)
+	}
+
+	.rodata : {
+		*(.rodata*)
+	} :rodata
+
+	.dynamic : {
+		*(.dynamic)
+	} :dynamic
+
+	.dynsym : {
+		*(.dynsym*)
+	} :rodata :dynamic
+
+	.dynstr : {
+		*(.dynstr*)
+	} :rodata :dynamic
+
+	.gnu.hash : {
+		*(.gnu.hash*)
+	} :rodata
+
+	.eh_frame_hdr : {
+		__eh_frame_start = .;
+		KEEP(*(.eh_frame))
+		__eh_frame_end = .;
+
+		KEEP(*(.eh_frame_hdr))
+	} :eh_frame
+
+	.shstrtab : {
+		*(.shstrtab)
+	}
+
+	.text ALIGN(0x1000) : {
+		*(.text*)
+		*(.init*)
+		*(.fini*)
+		. = ALIGN(0x1000);
+	} :text
+
+	ASSERT(SIZEOF(.illegal.relocations) == 0,
+			"Code has introduced relocations into the VDSO")
+	ASSERT(SIZEOF(.illegal.writeable) == 0,
+			"Code has introduced writeable data into the VDSO")
+}

src/boot/console.cpp

@@ -1,152 +1,94 @@
 #include <stddef.h>
 #include <stdint.h>
 
-#include <uefi/types.h>
-#include <uefi/graphics.h>
-#include <uefi/protos/graphics_output.h>
-
 #include "console.h"
-#include "error.h"
+#include "guids.h"
-
+#include "utility.h"
-#ifndef GIT_VERSION_WIDE
-#define GIT_VERSION_WIDE L"no version"
-#endif
-
-namespace boot {
 
 size_t ROWS = 0;
 size_t COLS = 0;
 
-console *console::s_console = nullptr;
+static EFI_SIMPLE_TEXT_OUT_PROTOCOL *m_out = 0;
 
 static const wchar_t digits[] = {u'0', u'1', u'2', u'3', u'4', u'5',
 	u'6', u'7', u'8', u'9', u'a', u'b', u'c', u'd', u'e', u'f'};
 
-
+console::console(EFI_SYSTEM_TABLE *system_table) :
-static size_t
+	m_rows(0),
-wstrlen(const wchar_t *s)
+	m_cols(0),
+	m_out(nullptr)
 {
-	size_t count = 0;
-	while (s && *s++) count++;
-	return count;
-}
-
-
-console::console(uefi::boot_services *bs, uefi::protos::simple_text_output *out) :
-	m_rows {0},
-	m_cols {0},
-	m_out {out},
-	m_fb {0, 0}
-{
-	pick_mode(bs);
-
-	try_or_raise(
-		m_out->query_mode(m_out->mode->mode, &m_cols, &m_rows),
-		L"Failed to get text output mode.");
-
-	try_or_raise(
-		m_out->clear_screen(),
-		L"Failed to clear screen");
-
-	m_out->set_attribute(uefi::attribute::light_cyan);
-	m_out->output_string(L"jsix loader ");
-
-	m_out->set_attribute(uefi::attribute::light_magenta);
-	m_out->output_string(GIT_VERSION_WIDE);
-
-	m_out->set_attribute(uefi::attribute::light_gray);
-	m_out->output_string(L" booting...\r\n");
-
-	if (m_fb.type != kernel::args::fb_type::none) {
-		wchar_t const * type = nullptr;
-		switch (m_fb.type) {
-		case kernel::args::fb_type::rgb8:
-			type = L"rgb8";
-			break;
-		case kernel::args::fb_type::bgr8:
-			type = L"bgr8";
-			break;
-		default:
-			type = L"unknown";
-		}
-
-		printf(L"Found framebuffer: %dx%d[%d] type %s @0x%x\r\n",
-			m_fb.horizontal, m_fb.vertical, m_fb.scanline, type, m_fb.phys_addr);
-	} else {
-		printf(L"No framebuffer found.\r\n");
-	}
-
 	s_console = this;
+	m_boot = system_table->BootServices;
+	m_out = system_table->ConOut;
 }
 
-void
+EFI_STATUS
-console::pick_mode(uefi::boot_services *bs)
+console::initialize(const wchar_t *version)
 {
-	uefi::status status;
+	EFI_STATUS status;
-	uefi::protos::graphics_output *gfx_out_proto;
-	uefi::guid guid = uefi::protos::graphics_output::guid;
 
-	m_fb.type = kernel::args::fb_type::none;
+	// Might not find a video device at all, so ignore not found errors
+	status = pick_mode();
+	if (status != EFI_NOT_FOUND)
+		CHECK_EFI_STATUS_OR_FAIL(status);
 
-	uefi::status has_gop = bs->locate_protocol(&guid, nullptr,
+	status = m_out->QueryMode(m_out, m_out->Mode->Mode, &m_cols, &m_rows);
-		(void **)&gfx_out_proto);
+	CHECK_EFI_STATUS_OR_RETURN(status, "QueryMode");
 
-	if (has_gop != uefi::status::success)
+	status = m_out->ClearScreen(m_out);
-		// No video output found, skip it
+	CHECK_EFI_STATUS_OR_RETURN(status, "ClearScreen");
-		return;
 
-	const uint32_t modes = gfx_out_proto->mode->max_mode;
+	m_out->SetAttribute(m_out, EFI_LIGHTCYAN);
-	uint32_t best = gfx_out_proto->mode->mode;
+	m_out->OutputString(m_out, (wchar_t *)L"jsix loader ");
 
-	uefi::graphics_output_mode_info *info =
+	m_out->SetAttribute(m_out, EFI_LIGHTMAGENTA);
-		(uefi::graphics_output_mode_info *)gfx_out_proto->mode;
+	m_out->OutputString(m_out, (wchar_t *)version);
 
-	uint32_t res = info->horizontal_resolution * info->vertical_resolution;
+	m_out->SetAttribute(m_out, EFI_LIGHTGRAY);
-	int pixmode = static_cast<int>(info->pixel_format);
+	m_out->OutputString(m_out, (wchar_t *)L" booting...\r\n\n");
+
+	return status;
+}
+
+EFI_STATUS
+console::pick_mode()
+{
+	EFI_STATUS status;
+	EFI_GRAPHICS_OUTPUT_PROTOCOL *gfx_out_proto;
+	status = m_boot->LocateProtocol(&guid_gfx_out, NULL, (void **)&gfx_out_proto);
+	CHECK_EFI_STATUS_OR_RETURN(status, "LocateProtocol gfx");
+
+	const uint32_t modes = gfx_out_proto->Mode->MaxMode;
+	uint32_t best = gfx_out_proto->Mode->Mode;
+
+	EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *info =
+		(EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *)gfx_out_proto->Mode;
+
+	uint32_t res = info->HorizontalResolution * info->VerticalResolution;
+	int is_fb = info->PixelFormat != PixelBltOnly;
 
 	for (uint32_t i = 0; i < modes; ++i) {
 		size_t size = 0;
-
+		status = gfx_out_proto->QueryMode(gfx_out_proto, i, &size, &info);
-		try_or_raise(
+		CHECK_EFI_STATUS_OR_RETURN(status, "QueryMode");
-			gfx_out_proto->query_mode(i, &size, &info),
-			L"Failed to find a graphics mode the driver claimed to support");
 
 #ifdef MAX_HRES
-		if (info->horizontal_resolution > MAX_HRES) continue;
+		if (info->HorizontalResolution > MAX_HRES) continue;
 #endif
 
-		const uint32_t new_res = info->horizontal_resolution * info->vertical_resolution;
+		const uint32_t new_res = info->HorizontalResolution * info->VerticalResolution;
-		int new_pixmode = static_cast<int>(info->pixel_format);
+		const int new_is_fb = info->PixelFormat == PixelBltOnly;
 
-		if (new_pixmode <= pixmode && new_res >= res) {
+		if (new_is_fb > is_fb && new_res >= res) {
 			best = i;
 			res = new_res;
-			pixmode = new_pixmode;
 		}
 	}
 
-	try_or_raise(
+	status = gfx_out_proto->SetMode(gfx_out_proto, best);
-		gfx_out_proto->set_mode(best),
+	CHECK_EFI_STATUS_OR_RETURN(status, "SetMode %d/%d", best, modes);
-		L"Failed to set graphics mode");
+	return EFI_SUCCESS;
-
-	if (pixmode <= static_cast<int>(uefi::pixel_format::bgr8)) {
-		m_fb.phys_addr = gfx_out_proto->mode->frame_buffer_base;
-		m_fb.size = gfx_out_proto->mode->frame_buffer_size;
-		m_fb.vertical = gfx_out_proto->mode->info->vertical_resolution;
-		m_fb.horizontal = gfx_out_proto->mode->info->horizontal_resolution;
-		m_fb.scanline = gfx_out_proto->mode->info->pixels_per_scanline;
-
-		switch (gfx_out_proto->mode->info->pixel_format) {
-		case uefi::pixel_format::rgb8:
-			m_fb.type = kernel::args::fb_type::rgb8;
-			break;
-		case uefi::pixel_format::bgr8:
-			m_fb.type = kernel::args::fb_type::bgr8;
-			break;
-		default:
-			m_fb.type = kernel::args::fb_type::none;
-		}
-	}
 }
 
 size_t
@@ -155,11 +97,11 @@ console::print_hex(uint32_t n) const
 	wchar_t buffer[9];
 	wchar_t *p = buffer;
 	for (int i = 7; i >= 0; --i) {
-		uint8_t nibble = (n >> (i*4)) & 0xf;
+		uint8_t nibble = (n & (0xf << (i*4))) >> (i*4);
 		*p++ = digits[nibble];
 	}
 	*p = 0;
-	m_out->output_string(buffer);
+	m_out->OutputString(m_out, buffer);
 	return 8;
 }
 
@@ -169,11 +111,11 @@ console::print_long_hex(uint64_t n) const
 	wchar_t buffer[17];
 	wchar_t *p = buffer;
 	for (int i = 15; i >= 0; --i) {
-		uint8_t nibble = (n >> (i*4)) & 0xf;
+		uint8_t nibble = (n & (0xf << (i*4))) >> (i*4);
 		*p++ = digits[nibble];
 	}
 	*p = 0;
-	m_out->output_string(buffer);
+	m_out->OutputString(m_out, buffer);
 	return 16;
 }
 
@@ -188,7 +130,7 @@ console::print_dec(uint32_t n) const
 		n /= 10;
 	} while (n != 0);
 
-	m_out->output_string(++p);
+	m_out->OutputString(m_out, ++p);
 	return 10 - (p - buffer);
 }
 
@@ -203,7 +145,7 @@ console::print_long_dec(uint64_t n) const
 		n /= 10;
 	} while (n != 0);
 
-	m_out->output_string(++p);
+	m_out->OutputString(m_out, ++p);
 	return 20 - (p - buffer);
 }
 
@@ -223,14 +165,14 @@ console::vprintf(const wchar_t *fmt, va_list args) const
 		}
 
 		*w = 0;
-		m_out->output_string(buffer);
+		m_out->OutputString(m_out, buffer);
 		w = buffer;
 
 		r++; // chomp the %
 
 		switch (*r++) {
 			case L'%':
-				m_out->output_string(const_cast<wchar_t*>(L"%"));
+				m_out->OutputString(m_out, const_cast<wchar_t*>(L"%"));
 				count++;
 				break;
 
@@ -247,7 +189,7 @@ console::vprintf(const wchar_t *fmt, va_list args) const
 				{
 					wchar_t *s = va_arg(args, wchar_t*);
 					count += wstrlen(s);
-					m_out->output_string(s);
+					m_out->OutputString(m_out, s);
 				}
 				break;
 
@@ -273,7 +215,7 @@ console::vprintf(const wchar_t *fmt, va_list args) const
 	}
 
 	*w = 0;
-	m_out->output_string(buffer);
+	m_out->OutputString(m_out, buffer);
 	return count;
 }
 
@@ -301,4 +243,91 @@ console::print(const wchar_t *fmt, ...)
 	return result;
 }
 
-} // namespace boot
+void
+console::status_begin(const wchar_t *message) const
+{
+	m_out->SetAttribute(m_out, EFI_LIGHTGRAY);
+	m_out->OutputString(m_out, (wchar_t *)message);
+}
+
+void
+console::status_ok() const
+{
+	m_out->SetAttribute(m_out, EFI_LIGHTGRAY);
+	m_out->OutputString(m_out, (wchar_t *)L"[");
+	m_out->SetAttribute(m_out, EFI_GREEN);
+	m_out->OutputString(m_out, (wchar_t *)L"  ok  ");
+	m_out->SetAttribute(m_out, EFI_LIGHTGRAY);
+	m_out->OutputString(m_out, (wchar_t *)L"]\r\n");
+}
+
+void
+console::status_fail(const wchar_t *error) const
+{
+	m_out->SetAttribute(m_out, EFI_LIGHTGRAY);
+	m_out->OutputString(m_out, (wchar_t *)L"[");
+	m_out->SetAttribute(m_out, EFI_LIGHTRED);
+	m_out->OutputString(m_out, (wchar_t *)L"failed");
+	m_out->SetAttribute(m_out, EFI_LIGHTGRAY);
+	m_out->OutputString(m_out, (wchar_t *)L"]\r\n");
+
+	m_out->SetAttribute(m_out, EFI_RED);
+	m_out->OutputString(m_out, (wchar_t *)error);
+	m_out->SetAttribute(m_out, EFI_LIGHTGRAY);
+	m_out->OutputString(m_out, (wchar_t *)L"\r\n");
+}
+
+EFI_STATUS
+con_get_framebuffer(
+	EFI_BOOT_SERVICES *bootsvc,
+	void **buffer,
+	size_t *buffer_size,
+	uint32_t *hres,
+	uint32_t *vres,
+	uint32_t *rmask,
+	uint32_t *gmask,
+	uint32_t *bmask)
+{
+	EFI_STATUS status;
+
+	EFI_GRAPHICS_OUTPUT_PROTOCOL *gop;
+	status = bootsvc->LocateProtocol(&guid_gfx_out, NULL, (void **)&gop);
+	if (status != EFI_NOT_FOUND) {
+		CHECK_EFI_STATUS_OR_RETURN(status, "LocateProtocol gfx");
+
+		*buffer = (void *)gop->Mode->FrameBufferBase;
+		*buffer_size = gop->Mode->FrameBufferSize;
+		*hres = gop->Mode->Info->HorizontalResolution;
+		*vres = gop->Mode->Info->VerticalResolution;
+
+		switch (gop->Mode->Info->PixelFormat) {
+			case PixelRedGreenBlueReserved8BitPerColor:
+				*rmask = 0x0000ff;
+				*gmask = 0x00ff00;
+				*bmask = 0xff0000;
+				return EFI_SUCCESS;
+
+			case PixelBlueGreenRedReserved8BitPerColor:
+				*bmask = 0x0000ff;
+				*gmask = 0x00ff00;
+				*rmask = 0xff0000;
+				return EFI_SUCCESS;
+
+			case PixelBitMask:
+				*rmask = gop->Mode->Info->PixelInformation.RedMask;
+				*gmask = gop->Mode->Info->PixelInformation.GreenMask;
+				*bmask = gop->Mode->Info->PixelInformation.BlueMask;
+				return EFI_SUCCESS;
+
+			default:
+				// Not a framebuffer, fall through to zeroing out
+				// values below.
+				break;
+		}
+	}
+
+	*buffer = NULL;
+	*buffer_size = *hres = *vres = 0;
+	*rmask = *gmask = *bmask = 0;
+	return EFI_SUCCESS;
+}

src/boot/console.h

@@ -1,22 +1,18 @@
-/// \file console.h
-/// Text output handler
 #pragma once
 #include <stdarg.h>
 #include <stddef.h>
-#include <uefi/boot_services.h>
+#include <efi/efi.h>
-#include <uefi/protos/simple_text_output.h>
-#include "kernel_args.h"
-#include "types.h"
 
-namespace boot {
-
-/// Object providing basic output functionality to the UEFI console
 class console
 {
 public:
-	using framebuffer = kernel::args::framebuffer;
+	console(EFI_SYSTEM_TABLE *system_table);
 
-	console(uefi::boot_services *bs, uefi::protos::simple_text_output *out);
+	EFI_STATUS initialize(const wchar_t *version);
+
+	void status_begin(const wchar_t *message) const;
+	void status_fail(const wchar_t *error) const;
+	void status_ok() const;
 
 	size_t print_hex(uint32_t n) const;
 	size_t print_dec(uint32_t n) const;
@@ -24,22 +20,27 @@ public:
 	size_t print_long_dec(uint64_t n) const;
 	size_t printf(const wchar_t *fmt, ...) const;
 
-	const framebuffer & fb() const { return m_fb; };
+	static const console & get() { return *s_console; }
-
-	static console & get() { return *s_console; }
 	static size_t print(const wchar_t *fmt, ...);
 
 private:
-	friend class status_line;
+	EFI_STATUS pick_mode();
-
-	void pick_mode(uefi::boot_services *bs);
 	size_t vprintf(const wchar_t *fmt, va_list args) const;
 
 	size_t m_rows, m_cols;
-	uefi::protos::simple_text_output *m_out;
+	EFI_BOOT_SERVICES *m_boot;
-	framebuffer m_fb;
+	EFI_SIMPLE_TEXT_OUT_PROTOCOL *m_out;
 
 	static console *s_console;
 };
 
-} // namespace boot
+EFI_STATUS
+con_get_framebuffer(
+	EFI_BOOT_SERVICES *bootsvc,
+	void **buffer,
+	size_t *buffer_size,
+	uint32_t *hres,
+	uint32_t *vres,
+	uint32_t *rmask,
+	uint32_t *gmask,
+	uint32_t *bmask);

src/boot/crt0.s

@@ -0,0 +1,85 @@
+;   crt0-efi-x86_64.S - x86_64 EFI startup code.
+;   Copyright (C) 1999 Hewlett-Packard Co.
+;	Contributed by David Mosberger <davidm@hpl.hp.com>.
+;   Copyright (C) 2005 Intel Co.
+;	Contributed by Fenghua Yu <fenghua.yu@intel.com>.
+;
+;    All rights reserved.
+;
+;    Redistribution and use in source and binary forms, with or without
+;    modification, are permitted provided that the following conditions
+;    are met:
+;
+;    * Redistributions of source code must retain the above copyright
+;      notice, this list of conditions and the following disclaimer.
+;    * Redistributions in binary form must reproduce the above
+;      copyright notice, this list of conditions and the following
+;      disclaimer in the documentation and/or other materials
+;      provided with the distribution.
+;    * Neither the name of Hewlett-Packard Co. nor the names of its
+;      contributors may be used to endorse or promote products derived
+;      from this software without specific prior written permission.
+;
+;    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+;    CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+;    INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+;    MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+;    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+;    BE LIABLE FOR ANYDIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+;    OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+;    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+;    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+;    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+;    TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+;    THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+;    SUCH DAMAGE.
+;
+;	2018-05-05 Converted to NASM syntax by Justin C. Miller
+
+extern ImageBase
+extern _DYNAMIC
+extern _relocate
+extern efi_main
+
+section .text
+align 4
+
+global _start
+_start:
+	sub rsp, 8
+	push rcx
+	push rdx
+
+	; These are already in RDI/RSI from EFI calling us, right? -justin
+	;lea rdi, [ImageBase]
+	;lea rsi, [_DYNAMIC]
+
+	pop rcx
+	pop rdx
+	push rcx
+	push rdx
+	call _relocate
+
+	pop rdi
+	pop rsi
+
+	call efi_main
+	add rsp, 8
+
+.exit:	
+  	ret
+
+; hand-craft a dummy .reloc section so EFI knows it's a relocatable executable:
+section .data
+dummy:
+	dd 0
+
+
+%define IMAGE_REL_ABSOLUTE	0
+
+section .reloc
+label1:
+	dd 0							; Page RVA
+ 	dd 10							; Block Size (2*4+2)
+	dw (IMAGE_REL_ABSOLUTE<<12) + 0	; reloc for dummy
+

src/boot/elf.h

@@ -1,32 +1,46 @@
-/// \file elf.h
-/// Definitions and related constants for ELF64 structures
 #pragma once
 #include <stdint.h>
 
-namespace boot {
+#ifndef ELF_VERSION
-namespace elf {
+#define ELF_VERSION 1
+#endif
 
-constexpr uint8_t version = 1;
+#ifndef ELF_WORDSIZE
-constexpr uint8_t word_size = 2;
+#define ELF_WORDSIZE 2
-constexpr uint8_t endianness = 1;
+#endif
-constexpr uint8_t os_abi = 0;
-constexpr uint16_t machine = 0x3e;
 
-const unsigned PT_LOAD = 1;
+#ifndef ELF_ENDIAN
-const unsigned ST_PROGBITS = 1;
+#define ELF_ENDIAN 1
-const unsigned ST_NOBITS = 8;
+#endif
-const unsigned long SHF_ALLOC = 0x2;
 
-struct header
+#ifndef ELF_OSABI
+#define ELF_OSABI 0
+#endif
+
+#ifndef ELF_MACHINE
+#define ELF_MACHINE 0x3e
+#endif
+
+const unsigned ELF_PT_LOAD = 1;
+const unsigned ELF_ST_PROGBITS = 1;
+const unsigned ELF_ST_NOBITS = 8;
+const unsigned long ELF_SHF_ALLOC = 0x2;
+
+struct elf_ident
 {
 	char magic[4];
 
 	uint8_t word_size;
 	uint8_t endianness;
-	uint8_t header_version;
+	uint8_t version;
 	uint8_t os_abi;
 
 	uint64_t reserved;
+} __attribute__ ((packed));
+
+struct elf_header
+{
+	struct elf_ident ident;
 
 	uint16_t type;
 	uint16_t machine;
@@ -50,7 +64,7 @@ struct header
 	uint16_t sh_str_idx;
 } __attribute__ ((packed));
 
-struct program_header
+struct elf_program_header
 {
 	uint32_t type;
 	uint32_t flags;
@@ -65,7 +79,7 @@ struct program_header
 	uint64_t align;
 } __attribute__ ((packed));
 
-struct section_header
+struct elf_section_header
 {
 	uint32_t name;
 	uint32_t type;
@@ -78,6 +92,3 @@ struct section_header
 	uint64_t align;
 	uint64_t entry_size;
 } __attribute__ ((packed));
-
-} // namespace elf
-} // namespace boot

src/boot/error.cpp

@@ -1,70 +0,0 @@
-#include "error.h"
-#include "console.h"
-#include "kernel_args.h"
-#include "status.h"
-
-namespace boot {
-namespace error {
-
-struct error_code_desc {
-	uefi::status code;
-	const wchar_t *name;
-};
-
-struct error_code_desc error_table[] = {
-#define STATUS_ERROR(name, num) { uefi::status::name, L#name },
-#define STATUS_WARNING(name, num) { uefi::status::name, L#name },
-#include "uefi/errors.inc"
-#undef STATUS_ERROR
-#undef STATUS_WARNING
-	{ uefi::status::success, nullptr }
-};
-
-const wchar_t *
-message(uefi::status status)
-{
-	int32_t i = -1;
-	while (error_table[++i].name != nullptr) {
-		if (error_table[i].code == status) return error_table[i].name;
-	}
-
-	if (uefi::is_error(status))
-		return L"Unknown Error";
-	else
-		return L"Unknown Warning";
-}
-
-[[ noreturn ]] static void
-cpu_assert(uefi::status s, const wchar_t *message, size_t line)
-{
-	asm volatile (
-		"movq $0xeeeeeeebadbadbad, %%r8;"
-		"movq %0, %%r9;"
-		"movq %1, %%r10;"
-		"movq %2, %%r11;"
-		"movq $0, %%rdx;"
-		"divq %%rdx;"
-		:
-		: "r"((uint64_t)s), "r"(message), "r"(line)
-		: "rax", "rdx", "r8", "r9", "r10");
-	while (1) asm("hlt");
-}
-
-[[ noreturn ]] void
-raise(uefi::status status, const wchar_t *message, size_t line)
-{
-	if(status_line::fail(message, status))
-		while (1) asm("hlt");
-	else
-		cpu_assert(status, message, line);
-}
-
-
-} // namespace error
-} // namespace boot
-
-void debug_break()
-{
-	volatile int go = 0;
-	while (!go);
-}

src/boot/error.h

@@ -1,33 +0,0 @@
-/// \file error.h
-/// Error handling definitions
-#pragma once
-
-#include <stddef.h>
-#include <uefi/types.h>
-
-namespace boot {
-
-class console;
-
-namespace error {
-
-/// Halt or exit the program with the given error status/message
-[[ noreturn ]] void raise(uefi::status status, const wchar_t *message, size_t line = 0);
-
-const wchar_t * message(uefi::status status);
-
-} // namespace error
-} // namespace boot
-
-/// Debugging psuedo-breakpoint.
-void debug_break();
-
-/// Helper macro to raise an error if an operation fails.
-/// \arg s  An expression evaluating to a UEFI status
-/// \arg m  The error message to use on failure
-#define try_or_raise(s, m) \
-	do { \
-		uefi::status _s = (s); \
-		if (uefi::is_error(_s)) ::boot::error::raise(_s, (m), __LINE__); \
-	} while(0)
-

src/boot/fs.cpp

@@ -1,114 +0,0 @@
-#include <uefi/types.h>
-#include <uefi/protos/file.h>
-#include <uefi/protos/file_info.h>
-#include <uefi/protos/loaded_image.h>
-#include <uefi/protos/simple_file_system.h>
-
-#include "fs.h"
-#include "console.h"
-#include "error.h"
-#include "memory.h"
-#include "status.h"
-
-namespace boot {
-namespace fs {
-
-file::file(uefi::protos::file *f, uefi::boot_services *bs) :
-	m_file(f),
-	m_bs(bs)
-{
-}
-
-file::file(file &o) :
-	m_file(o.m_file),
-	m_bs(o.m_bs)
-{
-	o.m_file = nullptr;
-}
-
-file::file(file &&o) :
-	m_file(o.m_file),
-	m_bs(o.m_bs)
-{
-	o.m_file = nullptr;
-}
-
-file::~file()
-{
-	if (m_file)
-		m_file->close();
-}
-
-file
-file::open(const wchar_t *path)
-{
-	uefi::protos::file *fh = nullptr;
-
-	try_or_raise(
-		m_file->open(&fh, path, uefi::file_mode::read, uefi::file_attr::none),
-		L"Could not open relative path to file");
-
-	return file(fh, m_bs);
-}
-
-buffer
-file::load(uefi::memory_type mem_type)
-{
-	uint8_t info_buf[sizeof(uefi::protos::file_info) + 100];
-	size_t size = sizeof(info_buf);
-	uefi::guid info_guid = uefi::protos::file_info::guid;
-
-	try_or_raise(
-		m_file->get_info(&info_guid, &size, &info_buf),
-		L"Could not get file info");
-
-	uefi::protos::file_info *info =
-		reinterpret_cast<uefi::protos::file_info*>(&info_buf);
-
-	size_t pages = memory::bytes_to_pages(info->file_size);
-	void *data = nullptr;
-	try_or_raise(
-		m_bs->allocate_pages(
-			uefi::allocate_type::any_pages,
-			mem_type, pages, &data),
-		L"Could not allocate pages to load file");
-
-	size = info->file_size;
-	try_or_raise(
-		m_file->read(&size, data),
-		L"Could not read from file");
-
-	return { .size = size,  .data = data };
-}
-
-file
-get_boot_volume(uefi::handle image, uefi::boot_services *bs)
-{
-	status_line status(L"Looking up boot volume");
-
-	const uefi::guid le_guid = uefi::protos::loaded_image::guid;
-	uefi::protos::loaded_image *loaded_image = nullptr;
-
-	try_or_raise(
-		bs->handle_protocol(image, &le_guid,
-			reinterpret_cast<void**>(&loaded_image)),
-		L"Could not find currently running UEFI loaded image");
-
-	const uefi::guid sfs_guid = uefi::protos::simple_file_system::guid;
-	uefi::protos::simple_file_system *fs;
-	try_or_raise(
-		bs->handle_protocol(loaded_image->device_handle, &sfs_guid,
-			reinterpret_cast<void**>(&fs)),
-		L"Could not find filesystem protocol for boot volume");
-
-	uefi::protos::file *f;
-	try_or_raise(
-		fs->open_volume(&f),
-		L"Could not open the boot volume");
-
-	return file(f, bs);
-}
-
-} // namespace fs
-} // namespace boot
-

src/boot/fs.h

@@ -1,45 +0,0 @@
-/// \file fs.h
-/// Definitions for dealing with UEFI's disk access functions
-#pragma once
-
-#include <uefi/types.h>
-#include <uefi/boot_services.h>
-#include <uefi/protos/file.h>
-#include "types.h"
-
-namespace boot {
-namespace fs {
-
-/// A file or directory in a filesystem.
-class file
-{
-public:
-	file(file &&o);
-	file(file &o);
-	~file();
-
-	/// Open another file or directory, relative to this one.
-	/// \arg path  Relative path to the target file from this one
-	file open(const wchar_t *path);
-
-	/// Load the contents of this file into memory.
-	/// \arg mem_type  The UEFI memory type to use for allocation
-	/// \returns       A buffer describing the loaded memory. The
-	///                memory will be page-aligned.
-	buffer load(uefi::memory_type mem_type = uefi::memory_type::loader_data);
-
-private:
-	friend file get_boot_volume(uefi::handle, uefi::boot_services*);
-
-	file(uefi::protos::file *f, uefi::boot_services *bs);
-
-	uefi::protos::file *m_file;
-	uefi::boot_services *m_bs;
-};
-
-/// Get the filesystem this loader was loaded from.
-/// \returns  A `file` object representing the root directory of the volume
-file get_boot_volume(uefi::handle image, uefi::boot_services *bs);
-
-} // namespace fs
-} // namespace boot

src/boot/guids.cpp

@@ -0,0 +1,13 @@
+#include "guids.h"
+
+#define GUID(dw, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8, name) \
+	EFI_GUID name __attribute__((section(".rodata"))) = {dw, w1, w2, {b1, b2, b3, b4, b5, b6, b7, b8}}
+#include "guids.inc"
+#undef GUID
+
+int is_guid(EFI_GUID *a, EFI_GUID *b)
+{
+	uint64_t *ai = (uint64_t *)a;
+	uint64_t *bi = (uint64_t *)b;
+	return ai[0] == bi[0] && ai[1] == bi[1];
+}

src/boot/guids.h

@@ -0,0 +1,8 @@
+#pragma once
+#include <efi/efi.h>
+
+int is_guid(EFI_GUID *a, EFI_GUID *b);
+
+#define GUID(dw, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8, name) extern EFI_GUID name
+#include "guids.inc"
+#undef GUID

src/boot/guids.inc

@@ -0,0 +1,11 @@
+GUID(0xeb9d2d30,0x2d88,0x11d3,0x9a,0x16,0x00,0x90,0x27,0x3f,0xc1,0x4d, guid_acpi1);
+GUID(0x8868e871,0xe4f1,0x11d3,0xbc,0x22,0x00,0x80,0xc7,0x3c,0x88,0x81, guid_acpi2);
+GUID(0x09576e92,0x6d3f,0x11d2,0x8e,0x39,0x00,0xa0,0xc9,0x69,0x72,0x3b, guid_file_info);
+GUID(0x9042a9de,0x23dc,0x4a38,0x96,0xfb,0x7a,0xde,0xd0,0x80,0x51,0x6a, guid_gfx_out);
+GUID(0x964e5b22,0x6459,0x11d2,0x8e,0x39,0x00,0xa0,0xc9,0x69,0x72,0x3b, guid_simple_filesystem);
+GUID(0x09576e91,0x6d3f,0x11d2,0x8e,0x39,0x00,0xa0,0xc9,0x69,0x72,0x3b, guid_device_path);
+GUID(0x8b843e20,0x8132,0x4852,0x90,0xcc,0x55,0x1a,0x4e,0x4a,0x7f,0x1c, guid_device_path_to_text);
+
+GUID(0x10d0669c,0x9ec6,0x4268,0xbc,0x48,0xff,0x74,0x75,0x21,0xfe,0x07, guid_jsix_vendor);
+
+// vim: ft=c

src/boot/hardware.cpp

@@ -1,81 +0,0 @@
-#include "hardware.h"
-#include "console.h"
-#include "error.h"
-#include "status.h"
-
-namespace boot {
-namespace hw {
-
-void *
-find_acpi_table(uefi::system_table *st)
-{
-	status_line status(L"Searching for ACPI table");
-
-	// Find ACPI tables. Ignore ACPI 1.0 if a 2.0 table is found.
-	uintptr_t acpi1_table = 0;
-
-	for (size_t i = 0; i < st->number_of_table_entries; ++i) {
-		uefi::configuration_table *table = &st->configuration_table[i];
-
-		// If we find an ACPI 2.0 table, return it immediately
-		if (table->vendor_guid == uefi::vendor_guids::acpi2)
-			return table->vendor_table;
-
-		if (table->vendor_guid == uefi::vendor_guids::acpi1) {
-			// Mark a v1 table with the LSB high
-			acpi1_table = reinterpret_cast<uintptr_t>(table->vendor_table);
-			acpi1_table |= 1;
-		}
-	}
-
-	if (!acpi1_table) {
-		error::raise(uefi::status::not_found, L"Could not find ACPI table");
-	} else if (acpi1_table & 1) {
-		status_line::warn(L"Only found ACPI 1.0 table");
-	}
-
-	return reinterpret_cast<void*>(acpi1_table);
-}
-
-static uint64_t
-rdmsr(uint32_t addr)
-{
-	uint32_t low, high;
-	__asm__ __volatile__ ("rdmsr" : "=a"(low), "=d"(high) : "c"(addr));
-	return (static_cast<uint64_t>(high) << 32) | low;
-}
-
-static void
-wrmsr(uint32_t addr, uint64_t value)
-{
-	uint32_t low = value & 0xffffffff;
-	uint32_t high = value >> 32;
-	__asm__ __volatile__ ("wrmsr" :: "c"(addr), "a"(low), "d"(high));
-}
-
-
-void
-setup_control_regs()
-{
-	uint64_t cr4 = 0;
-	asm volatile ( "mov %%cr4, %0" : "=r" (cr4) );
-	cr4 |=
-		0x000080 | // Enable global pages
-		0x000200 | // Enable FXSAVE/FXRSTOR
-		0x010000 | // Enable FSGSBASE
-		0x020000 | // Enable PCIDs
-		0;
-	asm volatile ( "mov %0, %%cr4" :: "r" (cr4) );
-
-	// Set up IA32_EFER
-	constexpr uint32_t IA32_EFER = 0xC0000080;
-	uint64_t efer = rdmsr(IA32_EFER);
-	efer |=
-		0x0001 | // Enable SYSCALL
-		0x0800 | // Enable NX bit
-		0;
-	wrmsr(IA32_EFER, efer);
-}
-
-} // namespace hw
-} // namespace boot

src/boot/hardware.h

@@ -1,20 +0,0 @@
-/// \file hardware.h
-/// Functions and definitions for detecting and dealing with hardware
-#pragma once
-
-#include <uefi/tables.h>
-
-namespace boot {
-namespace hw {
-
-/// Find the ACPI table in the system configuration tables
-/// and return a pointer to it. If only an ACPI 1.0 table is
-/// available, the returned pointer will have its least
-/// significant bit set to 1.
-void * find_acpi_table(uefi::system_table *st);
-
-/// Enable CPU options in CR4 etc for the kernel starting state.
-void setup_control_regs();
-
-} // namespace hw
-} // namespace boot

src/boot/loader.cpp

@@ -1,117 +1,298 @@
-#include <uefi/boot_services.h>
-#include <uefi/types.h>
-
-#include "loader.h"
-#include "console.h"
 #include "elf.h"
-#include "error.h"
+#include "guids.h"
-#include "fs.h"
+#include "loader.h"
 #include "memory.h"
-#include "paging.h"
+#include "utility.h"
-#include "status.h"
 
-namespace args = kernel::args;
+#define PAGE_SIZE 0x1000
 
-namespace boot {
+static wchar_t kernel_name[] = KERNEL_FILENAME;
-namespace loader {
+static wchar_t initrd_name[] = INITRD_FILENAME;
 
-buffer
+EFI_STATUS
-load_file(
+loader_alloc_aligned(
-	fs::file &disk,
+	EFI_BOOT_SERVICES *bootsvc,
-	const wchar_t *name,
+	EFI_MEMORY_TYPE mem_type,
-	const wchar_t *path,
+	size_t *length,
-	uefi::memory_type type)
+	void **pages)
 {
-	status_line status(L"Loading file", name);
+	EFI_STATUS status;
+	EFI_PHYSICAL_ADDRESS addr;
 
-	fs::file file = disk.open(path);
+	size_t alignment = PAGE_SIZE;
-	buffer b = file.load(type);
+	while (alignment < *length)
+		alignment *= 2;
 
-	//console::print(L"    Loaded at: 0x%lx, %d bytes\r\n", b.data, b.size);
+	size_t page_count = alignment / PAGE_SIZE;
-	return b;
+	*length = alignment;
+
+	con_debug(L"Trying to find %d aligned pages for %x", page_count, mem_type);
+
+	status = bootsvc->AllocatePages(AllocateAnyPages, mem_type, page_count * 2, &addr);
+	CHECK_EFI_STATUS_OR_RETURN(status, L"Allocating %d pages for alignment", page_count * 2);
+	con_debug(L"    Found %d pages at %lx", page_count * 2, addr);
+
+	EFI_PHYSICAL_ADDRESS aligned = addr;
+	aligned = ((aligned - 1) & ~(alignment - 1)) + alignment;
+	con_debug(L"    Aligning %lx to %lx", addr, aligned);
+
+	size_t before = 
+		(reinterpret_cast<uint64_t>(aligned) -
+		reinterpret_cast<uint64_t>(addr)) /
+		PAGE_SIZE;
+
+	if (before) {
+		con_debug(L"    Freeing %d initial pages", before);
+		bootsvc->FreePages(addr, before);
+	}
+
+	size_t after = page_count - before;
+	if (after) {
+		EFI_PHYSICAL_ADDRESS end = 
+			reinterpret_cast<EFI_PHYSICAL_ADDRESS>(
+				reinterpret_cast<uint64_t>(aligned) +
+				page_count * PAGE_SIZE);
+		con_debug(L"    Freeing %d remaining pages", after);
+		bootsvc->FreePages(end, after);
+	}
+
+	*pages = (void *)aligned;
+	return EFI_SUCCESS;
+}
+
+EFI_STATUS
+loader_alloc_pages(
+	EFI_BOOT_SERVICES *bootsvc,
+	EFI_MEMORY_TYPE mem_type,
+	size_t *length,
+	void **pages)
+{
+	EFI_STATUS status;
+
+	size_t page_count = ((*length - 1) / PAGE_SIZE) + 1;
+	EFI_PHYSICAL_ADDRESS addr = (EFI_PHYSICAL_ADDRESS)*pages;
+
+	con_debug(L"Trying to find %d non-aligned pages for %x at %lx",
+			page_count, mem_type, addr);
+
+	status = bootsvc->AllocatePages(AllocateAddress, mem_type, page_count, &addr);
+	CHECK_EFI_STATUS_OR_RETURN(status,
+		L"Allocating %d kernel pages type %x",
+		page_count, mem_type);
+
+	*length = page_count * PAGE_SIZE;
+	*pages = (void *)addr;
+
+	return EFI_SUCCESS;
+}
+
+EFI_STATUS
+loader_load_initrd(
+	EFI_BOOT_SERVICES *bootsvc,
+	EFI_FILE_PROTOCOL *root,
+	struct loader_data *data)
+{
+	EFI_STATUS status;
+
+	EFI_FILE_PROTOCOL *file = NULL;
+	status = root->Open(root, &file, (wchar_t *)initrd_name, EFI_FILE_MODE_READ,
+						EFI_FILE_READ_ONLY | EFI_FILE_HIDDEN | EFI_FILE_SYSTEM);
+
+	if (status == EFI_NOT_FOUND)
+		return status;
+
+	CHECK_EFI_STATUS_OR_RETURN(status, L"Opening file %s", initrd_name);
+
+	char info[sizeof(EFI_FILE_INFO) + 100];
+	size_t info_length = sizeof(info);
+
+	status = file->GetInfo(file, &guid_file_info, &info_length, info);
+	CHECK_EFI_STATUS_OR_RETURN(status, L"Getting file info");
+
+	data->initrd_length = ((EFI_FILE_INFO *)info)->FileSize;
+
+	status = loader_alloc_aligned(
+			bootsvc,
+			memtype_initrd,
+			&data->initrd_length,
+			&data->initrd);
+	CHECK_EFI_STATUS_OR_RETURN(status, L"Allocating pages");
+
+	status = file->Read(file, &data->initrd_length, data->initrd);
+	CHECK_EFI_STATUS_OR_RETURN(status, L"Reading file");
+
+	status = file->Close(file);
+	CHECK_EFI_STATUS_OR_RETURN(status, L"Closing file handle");
+
+	return EFI_SUCCESS;
 }
 
 
-static bool
+EFI_STATUS
-is_elfheader_valid(const elf::header *header)
+loader_load_elf(
+	EFI_BOOT_SERVICES *bootsvc,
+	EFI_FILE_PROTOCOL *root,
+	struct loader_data *data)
 {
-	return
+	EFI_STATUS status;
-		header->magic[0] == 0x7f &&
+
-		header->magic[1] == 'E' &&
+	con_debug(L"Opening kernel file %s", (wchar_t *)kernel_name);
-		header->magic[2] == 'L' &&
+
-		header->magic[3] == 'F' &&
+	EFI_FILE_PROTOCOL *file = NULL;
-		header->word_size == elf::word_size &&
+	status = root->Open(root, &file, (wchar_t *)kernel_name, EFI_FILE_MODE_READ,
-		header->endianness == elf::endianness &&
+						EFI_FILE_READ_ONLY | EFI_FILE_HIDDEN | EFI_FILE_SYSTEM);
-		header->os_abi == elf::os_abi &&
+
-		header->machine == elf::machine &&
+	if (status == EFI_NOT_FOUND)
-		header->header_version == elf::version;
+		return status;
+
+	uint64_t length = 0;
+	data->kernel = 0;
+	data->kernel_entry = 0;
+	data->kernel_length = 0;
+
+	CHECK_EFI_STATUS_OR_RETURN(status, L"Opening file %s", kernel_name);
+
+	struct elf_header header;
+
+	length = sizeof(struct elf_header);
+	status = file->Read(file, &length, &header);
+	CHECK_EFI_STATUS_OR_RETURN(status, L"Reading ELF header");
+
+	con_debug(L"Read %u bytes of ELF header", length);
+
+	if (length < sizeof(struct elf_header))
+		CHECK_EFI_STATUS_OR_RETURN(EFI_LOAD_ERROR, L"Incomplete read of ELF header");
+
+	static const char expected[] = {0x7f, 'E', 'L', 'F'};
+	for (int i = 0; i < sizeof(expected); ++i) {
+		if (header.ident.magic[i] != expected[i])
+			CHECK_EFI_STATUS_OR_RETURN(EFI_LOAD_ERROR, L"Bad ELF magic number");
 	}
 
-void
+	if (header.ident.word_size != ELF_WORDSIZE)
-load_program(
+		CHECK_EFI_STATUS_OR_RETURN(EFI_LOAD_ERROR, L"ELF load error: 32 bit ELF not supported");
-	args::program &program,
+
-	const wchar_t *name,
+	if (header.ph_entsize != sizeof(struct elf_program_header))
-	buffer data,
+		CHECK_EFI_STATUS_OR_RETURN(EFI_LOAD_ERROR, L"ELF load error: program header size mismatch");
-	uefi::boot_services *bs)
+
+	if (header.ident.version != ELF_VERSION ||
+		header.version != ELF_VERSION)
+		CHECK_EFI_STATUS_OR_RETURN(EFI_LOAD_ERROR, L"ELF load error: wrong ELF version");
+
+	if (header.ident.endianness != 1 ||
+		header.ident.os_abi != 0 ||
+		header.machine != 0x3e)
+		CHECK_EFI_STATUS_OR_RETURN(EFI_LOAD_ERROR, L"ELF load error: wrong machine architecture");
+
+	con_debug(L"ELF is valid, entrypoint %lx", header.entrypoint);
+
+	data->kernel_entry = (void *)header.entrypoint;
+
+	struct elf_program_header prog_header;
+	for (int i = 0; i < header.ph_num; ++i) {
+
+		status = file->SetPosition(file, header.ph_offset + i * header.ph_entsize);
+		CHECK_EFI_STATUS_OR_RETURN(status, L"Setting ELF file position");
+
+		length = header.ph_entsize;
+		status = file->Read(file, &length, &prog_header);
+		CHECK_EFI_STATUS_OR_RETURN(status, L"Reading ELF program header");
+
+		if (prog_header.type != ELF_PT_LOAD) continue;
+
+		length = prog_header.mem_size;
+		void *addr = (void *)(prog_header.vaddr - KERNEL_VIRT_ADDRESS);
+		status = loader_alloc_pages(bootsvc, memtype_kernel, &length, &addr);
+		CHECK_EFI_STATUS_OR_RETURN(status, L"Allocating kernel pages");
+
+		if (data->kernel == 0)
+			data->kernel = addr;
+		data->kernel_length = (uint64_t)addr + length - (uint64_t)data->kernel;
+	}
+	con_debug(L"Read %d ELF program headers", header.ph_num);
+
+	struct elf_section_header sec_header;
+	for (int i = 0; i < header.sh_num; ++i) {
+		status = file->SetPosition(file, header.sh_offset + i * header.sh_entsize);
+		CHECK_EFI_STATUS_OR_RETURN(status, L"Setting ELF file position");
+
+		length = header.sh_entsize;
+		status = file->Read(file, &length, &sec_header);
+		CHECK_EFI_STATUS_OR_RETURN(status, L"Reading ELF section header");
+
+		if ((sec_header.flags & ELF_SHF_ALLOC) == 0) {
+			continue;
+		}
+
+		void *addr = (void *)(sec_header.addr - KERNEL_VIRT_ADDRESS);
+
+		if (sec_header.type == ELF_ST_PROGBITS) {
+			status = file->SetPosition(file, sec_header.offset);
+			CHECK_EFI_STATUS_OR_RETURN(status, L"Setting ELF file position");
+
+			length = sec_header.size;
+			status = file->Read(file, &length, addr);
+			CHECK_EFI_STATUS_OR_RETURN(status, L"Reading file");
+		} else if (sec_header.type == ELF_ST_NOBITS) {
+			bootsvc->SetMem(addr, sec_header.size, 0);
+		}
+	}
+	con_debug(L"Read %d ELF section headers", header.ph_num);
+
+	status = file->Close(file);
+	CHECK_EFI_STATUS_OR_RETURN(status, L"Closing file handle");
+
+	return EFI_SUCCESS;
+}
+
+
+EFI_STATUS
+loader_load_kernel(
+	EFI_BOOT_SERVICES *bootsvc,
+	struct loader_data *data)
 {
-	status_line status(L"Loading program:", name);
+	if (data == NULL)
-	const elf::header *header = reinterpret_cast<const elf::header*>(data.data);
+		CHECK_EFI_STATUS_OR_RETURN(EFI_INVALID_PARAMETER, L"NULL loader_data");
 
-	if (data.size < sizeof(elf::header) || !is_elfheader_valid(header))
+	EFI_STATUS status;
-		error::raise(uefi::status::load_error, L"ELF file not valid");
+	EFI_HANDLE *handles = NULL;
+	size_t handleCount = 0;
 
-	uintptr_t prog_base = uintptr_t(-1);
+	status = bootsvc->LocateHandleBuffer(ByProtocol, &guid_simple_filesystem, NULL, &handleCount, &handles);
-	uintptr_t prog_end = 0;
+	CHECK_EFI_STATUS_OR_RETURN(status, L"LocateHandleBuffer");
 
-	for (int i = 0; i < header->ph_num; ++i) {
+	for (unsigned i = 0; i < handleCount; ++i) {
-		ptrdiff_t offset = header->ph_offset + i * header->ph_entsize;
+		EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *fileSystem = NULL;
-		const elf::program_header *pheader =
-			offset_ptr<elf::program_header>(data.data, offset);
 
-		if (pheader->type != elf::PT_LOAD)
+		status = bootsvc->HandleProtocol(handles[i], &guid_simple_filesystem, (void **)&fileSystem);
+		CHECK_EFI_STATUS_OR_RETURN(status, L"HandleProtocol");
+
+		EFI_FILE_PROTOCOL *root = NULL;
+		status = fileSystem->OpenVolume(fileSystem, &root);
+		CHECK_EFI_STATUS_OR_RETURN(status, L"OpenVolume");
+
+		status = loader_load_elf(bootsvc, root, data);
+		if (status == EFI_NOT_FOUND)
 			continue;
 
-		uintptr_t end = pheader->vaddr + pheader->mem_size;
+		CHECK_EFI_STATUS_OR_RETURN(status, L"loader_load_elf: %s", kernel_name);
-		if (pheader->vaddr < prog_base) prog_base = pheader->vaddr;
+
-		if (end > prog_end) prog_end = end;
+		data->data = (void *)((uint64_t)data->kernel + data->kernel_length);
+		data->data_length += PAGE_SIZE; // extra page for map growth
+
+		status = loader_alloc_aligned(
+				bootsvc,
+				memtype_data,
+				&data->data_length,
+				&data->data);
+		CHECK_EFI_STATUS_OR_RETURN(status, L"loader_alloc_aligned: kernel data");
+
+		data->initrd = (void *)((uint64_t)data->data + data->data_length);
+		status = loader_load_initrd(bootsvc, root, data);
+		CHECK_EFI_STATUS_OR_RETURN(status, L"loader_load_file: %s", initrd_name);
+
+		return EFI_SUCCESS;
 	}
 
-	size_t total_size = prog_end - prog_base;
+	return EFI_NOT_FOUND;
-	size_t num_pages = memory::bytes_to_pages(total_size);
-	void *pages = nullptr;
-
-	try_or_raise(
-		bs->allocate_pages(uefi::allocate_type::any_pages,
-			uefi::memory_type::loader_data, num_pages, &pages),
-		L"Failed allocating space for program");
-
-	bs->set_mem(pages, total_size, 0);
-
-	program.base = prog_base;
-	program.total_size = total_size;
-	program.num_sections = 0;
-	for (int i = 0; i < header->ph_num; ++i) {
-		ptrdiff_t offset = header->ph_offset + i * header->ph_entsize;
-		const elf::program_header *pheader =
-			offset_ptr<elf::program_header>(data.data, offset);
-
-		if (pheader->type != elf::PT_LOAD)
-			continue;
-
-		args::program_section &section = program.sections[program.num_sections++];
-
-		void *src_start = offset_ptr<void>(data.data, pheader->offset);
-		void *dest_start = offset_ptr<void>(pages, pheader->vaddr - prog_base);
-
-		bs->copy_mem(dest_start, src_start, pheader->file_size);
-		section.phys_addr = reinterpret_cast<uintptr_t>(dest_start);
-		section.virt_addr = pheader->vaddr;
-		section.size = pheader->mem_size;
-		section.type = static_cast<args::section_flags>(pheader->flags);
 }
-
-	program.entrypoint = header->entrypoint;
-}
-
-} // namespace loader
-} // namespace boot

src/boot/loader.h

@@ -1,41 +1,35 @@
-/// \file loader.h
-/// Definitions for loading the kernel into memory
 #pragma once
+#include <efi/efi.h>
+#include <stddef.h>
 
-#include <uefi/boot_services.h>
+#define PAGE_SIZE 0x1000
 
-#include "kernel_args.h"
+#ifndef KERNEL_PHYS_ADDRESS
-#include "memory.h"
+#define KERNEL_PHYS_ADDRESS 0x100000
-#include "types.h"
+#endif
 
-namespace boot {
+#ifndef KERNEL_VIRT_ADDRESS
+#define KERNEL_VIRT_ADDRESS 0xFFFFFF0000000000
+#endif
 
-namespace fs { class file; }
+#ifndef KERNEL_FILENAME
+#define KERNEL_FILENAME L"kernel.elf"
+#endif
 
-namespace loader {
+#ifndef INITRD_FILENAME
+#define INITRD_FILENAME L"initrd.img"
+#endif
 
-/// Load a file from disk into memory.
+struct loader_data {
-/// \arg disk  The opened UEFI filesystem to load from
+	void *kernel;
-/// \arg name  Name of the module (informational only)
+	void *kernel_entry;
-/// \arg path  Path on `disk` of the file to load
+	size_t kernel_length;
-/// \arg type  Memory type to use for allocation
-buffer
-load_file(
-	fs::file &disk,
-	const wchar_t *name,
-	const wchar_t *path,
-	uefi::memory_type type = uefi::memory_type::loader_data);
 
-/// Parse and load an ELF file in memory into a loaded image.
+	void *initrd;
-/// \arg program  The program structure to fill
+	size_t initrd_length;
-/// \arg data     Buffer of the ELF file in memory
-/// \arg bs       Boot services
-void
-load_program(
-	kernel::args::program &program,
-	const wchar_t *name,
-	buffer data,
-	uefi::boot_services *bs);
 
-} // namespace loader
+	void *data;
-} // namespace boot
+	size_t data_length;
+};
+
+EFI_STATUS loader_load_kernel(EFI_BOOT_SERVICES *bootsvc, struct loader_data *data);

src/boot/main.cpp

@@ -1,213 +1,227 @@
-#include <uefi/types.h>
-#include <uefi/guid.h>
-#include <uefi/tables.h>
-#include <uefi/protos/simple_text_output.h>
-
 #include <stdalign.h>
 #include <stddef.h>
-#include <stdint.h>
+
+#include <efi/efi.h>
 
 #include "console.h"
-#include "cpu/cpu.h"
+#include "guids.h"
-#include "error.h"
+#include "kernel_args.h"
-#include "fs.h"
-#include "hardware.h"
 #include "loader.h"
 #include "memory.h"
-#include "paging.h"
+#include "utility.h"
-#include "status.h"
 
-#include "kernel_args.h"
+#ifndef SCRATCH_PAGES
+#define SCRATCH_PAGES 64
+#endif
 
-namespace kernel {
+#ifndef GIT_VERSION_WIDE
-#include "kernel_memory.h"
+#define GIT_VERSION_WIDE L"no version"
-}
+#endif
 
-namespace args = kernel::args;
+#define KERNEL_HEADER_MAGIC   0x600db007
+#define KERNEL_HEADER_VERSION 1
 
-namespace boot {
+#pragma pack(push, 1)
+struct kernel_header {
+	uint32_t magic;
+	uint16_t version;
+	uint16_t length;
 
-constexpr int max_modules = 5; // Max modules to allocate room for
+	uint8_t major;
-constexpr int max_programs = 5; // Max programs to allocate room for
+	uint8_t minor;
-
+	uint16_t patch;
-struct program_desc
+	uint32_t gitsha;
-{
-	const wchar_t *name;
-	const wchar_t *path;
 };
+#pragma pack(pop)
 
-const program_desc program_list[] = {
+using kernel_entry = void (*)(kernel_args *);
-	{L"kernel", L"jsix.elf"},
-	{L"null driver", L"nulldrv.elf"},
-	{L"fb driver", L"fb.elf"},
-};
 
-/// Change a pointer to point to the higher-half linear-offset version
+static void
-/// of the address it points to.
+type_to_wchar(wchar_t *into, uint32_t type)
-template <typename T>
-void change_pointer(T *&pointer)
 {
-	pointer = offset_ptr<T>(pointer, kernel::memory::page_offset);
+	for (int j=0; j<4; ++j)
+		into[j] = static_cast<wchar_t>(reinterpret_cast<char *>(&type)[j]);
 }
 
-/// Allocate space for kernel args. Allocates enough space from pool
+EFI_STATUS
-/// memory for the args header and the module and program headers.
+detect_debug_mode(EFI_RUNTIME_SERVICES *run, kernel_args *header) {
-args::header *
+	wchar_t var_name[] = L"debug";
-allocate_args_structure(
+
-	uefi::boot_services *bs,
+	EFI_STATUS status;
-	size_t max_modules,
+	uint8_t debug = 0;
-	size_t max_programs)
+	UINTN var_size = sizeof(debug);
+
+#ifdef __JSIX_SET_DEBUG_UEFI_VAR__
+	debug = __JSIX_SET_DEBUG_UEFI_VAR__;
+	uint32_t attrs =
+		EFI_VARIABLE_NON_VOLATILE |
+		EFI_VARIABLE_BOOTSERVICE_ACCESS |
+		EFI_VARIABLE_RUNTIME_ACCESS;
+	status = run->SetVariable(
+			var_name,
+			&guid_jsix_vendor,
+			attrs,
+			var_size,
+			&debug);
+	CHECK_EFI_STATUS_OR_RETURN(status, "detect_debug_mode::SetVariable");
+#endif
+
+	status = run->GetVariable(
+			var_name,
+			&guid_jsix_vendor,
+			nullptr,
+			&var_size,
+			&debug);
+	CHECK_EFI_STATUS_OR_RETURN(status, "detect_debug_mode::GetVariable");
+
+	if (debug)
+		header->flags |= JSIX_FLAG_DEBUG;
+
+	return EFI_SUCCESS;
+}
+
+extern "C" EFI_STATUS
+efi_main(EFI_HANDLE image_handle, EFI_SYSTEM_TABLE *system_table)
 {
-	status_line status {L"Setting up kernel args memory"};
+	EFI_STATUS status;
+	EFI_BOOT_SERVICES *bootsvc = system_table->BootServices;
+	EFI_RUNTIME_SERVICES *runsvc = system_table->RuntimeServices;
 
-	args::header *args = nullptr;
+	console con(system_table);
 
-	size_t args_size =
+	// When checking console initialization, use CHECK_EFI_STATUS_OR_RETURN
-		sizeof(args::header) + // The header itself
+	// because we can't be sure if the console was fully set up
-		max_modules * sizeof(args::module) +  // The module structures
+	status = con.initialize(GIT_VERSION_WIDE);
-		max_programs * sizeof(args::program); // The program structures
+	CHECK_EFI_STATUS_OR_RETURN(status, "console::initialize");
+	// From here on out, we can use CHECK_EFI_STATUS_OR_FAIL instead
 
-	try_or_raise(
+	memory_init_pointer_fixup(bootsvc, runsvc, SCRATCH_PAGES);
-		bs->allocate_pool(uefi::memory_type::loader_data, args_size,
-			reinterpret_cast<void**>(&args)),
-		L"Could not allocate argument memory");
 
-	bs->set_mem(args, args_size, 0);
+	// Find ACPI tables. Ignore ACPI 1.0 if a 2.0 table is found.
-
+	//
-	args->modules =
+	void *acpi_table = NULL;
-		reinterpret_cast<args::module*>(args + 1);
+	for (size_t i=0; i<system_table->NumberOfTableEntries; ++i) {
-	args->num_modules = 0;
+		EFI_CONFIGURATION_TABLE *efi_table = &system_table->ConfigurationTable[i];
-
+		if (is_guid(&efi_table->VendorGuid, &guid_acpi2)) {
-	args->programs =
+			acpi_table = efi_table->VendorTable;
-		reinterpret_cast<args::program*>(args->modules + max_modules);
+			break;
-	args->num_programs = 0;
+		} else if (is_guid(&efi_table->VendorGuid, &guid_acpi1)) {
-
+			// Mark a v1 table with the LSB high
-	return args;
+			acpi_table = (void *)((intptr_t)efi_table->VendorTable | 0x1);
-}
-
-/// Add a module to the kernel args list
-inline void
-add_module(args::header *args, args::mod_type type, buffer &data)
-{
-	args::module &m = args->modules[args->num_modules++];
-	m.type = type;
-	m.location = data.data;
-	m.size = data.size;
-}
-
-/// Check that all required cpu features are supported
-void
-check_cpu_supported()
-{
-	status_line status {L"Checking CPU features"};
-
-	cpu::cpu_id cpu;
-	uint64_t missing = cpu.missing();
-	if (missing) {
-#define CPU_FEATURE_OPT(...)
-#define CPU_FEATURE_REQ(name, ...) \
-		if (!cpu.has_feature(cpu::feature::name)) { \
-			status::fail(L"CPU required feature " L ## #name, uefi::status::unsupported); \
-		}
-#include "cpu/features.inc"
-#undef CPU_FEATURE_REQ
-#undef CPU_FEATURE_OPT
-
-		error::raise(uefi::status::unsupported, L"CPU not supported");
 		}
 	}
 
-/// The main procedure for the portion of the loader that runs while
+	// Compute necessary number of data pages
-/// UEFI is still in control of the machine. (ie, while the loader still
+	//
-/// has access to boot services.
+	size_t data_length = 0;
-args::header *
+	status = memory_get_map_length(bootsvc, &data_length);
-uefi_preboot(uefi::handle image, uefi::system_table *st)
+	CHECK_EFI_STATUS_OR_FAIL(status);
-{
-	status_line status {L"Performing UEFI pre-boot"};
 
-	uefi::boot_services *bs = st->boot_services;
+	size_t header_size = sizeof(kernel_args);
-	uefi::runtime_services *rs = st->runtime_services;
+	const size_t header_align = alignof(kernel_args);
-	memory::init_pointer_fixup(bs, rs);
+	if (header_size % header_align)
+		header_size += header_align - (header_size % header_align);
 
-	args::header *args =
+	data_length += header_size;
-		allocate_args_structure(bs, max_modules, max_programs);
 
-	args->magic = args::magic;
+	// Load the kernel image from disk and check it
-	args->version = args::version;
+	//
-	args->runtime_services = rs;
+	console::print(L"Loading kernel into memory...\r\n");
-	args->acpi_table = hw::find_acpi_table(st);
-	paging::allocate_tables(args, bs);
 
-	memory::mark_pointer_fixup(&args->runtime_services);
+	struct loader_data load;
+	load.data_length = data_length;
+	status = loader_load_kernel(bootsvc, &load);
+	CHECK_EFI_STATUS_OR_FAIL(status);
 
-	fs::file disk = fs::get_boot_volume(image, bs);
+	console::print(L"    %x image bytes  at 0x%x\r\n", load.kernel_length, load.kernel);
+	console::print(L"    %x data bytes   at 0x%x\r\n", load.data_length, load.data);
+	console::print(L"    %x initrd bytes at 0x%x\r\n", load.initrd_length, load.initrd);
 
-	buffer symbols = loader::load_file(disk, L"symbol table", L"symbol_table.dat",
+	struct kernel_header *version = (struct kernel_header *)load.kernel;
-				uefi::memory_type::loader_data);
+	if (version->magic != KERNEL_HEADER_MAGIC) {
-	add_module(args, args::mod_type::symbol_table, symbols);
+		console::print(L"    bad magic %x\r\n", version->magic);
-
+		CHECK_EFI_STATUS_OR_FAIL(EFI_CRC_ERROR);
-	for (auto &desc : program_list) {
-		buffer buf = loader::load_file(disk, desc.name, desc.path);
-		args::program &program = args->programs[args->num_programs++];
-		loader::load_program(program, desc.name, buf, bs);
 	}
 
-	return args;
+	console::print(L"    Kernel version %d.%d.%d %x%s\r\n",
+			version->major, version->minor, version->patch, version->gitsha & 0x0fffffff,
+			version->gitsha & 0xf0000000 ? L"*" : L"");
+	console::print(L"    Entrypoint 0x%x\r\n", load.kernel_entry);
+
+	kernel_entry kernel_main =
+		reinterpret_cast<kernel_entry>(load.kernel_entry);
+	memory_mark_pointer_fixup((void **)&kernel_main);
+
+	// Set up the kernel data pages to pass to the kernel
+	//
+	struct kernel_args *data_header = (struct kernel_args *)load.data;
+	memory_mark_pointer_fixup((void **)&data_header);
+
+	data_header->magic = DATA_HEADER_MAGIC;
+	data_header->version = DATA_HEADER_VERSION;
+	data_header->length = sizeof(struct kernel_args);
+
+	data_header->scratch_pages = SCRATCH_PAGES;
+	data_header->flags = 0;
+
+	data_header->initrd = load.initrd;
+	data_header->initrd_length = load.initrd_length;
+	memory_mark_pointer_fixup((void **)&data_header->initrd);
+
+	data_header->data = load.data;
+	data_header->data_length = load.data_length;
+	memory_mark_pointer_fixup((void **)&data_header->data);
+
+	data_header->memory_map = (EFI_MEMORY_DESCRIPTOR *)(data_header + 1);
+	memory_mark_pointer_fixup((void **)&data_header->memory_map);
+
+	data_header->runtime = runsvc;
+	memory_mark_pointer_fixup((void **)&data_header->runtime);
+
+	data_header->acpi_table = acpi_table;
+	memory_mark_pointer_fixup((void **)&data_header->acpi_table);
+
+	data_header->_reserved0 = 0;
+	data_header->_reserved1 = 0;
+
+	// Figure out the framebuffer (if any) and add that to the data header
+	//
+	status = con_get_framebuffer(
+			bootsvc, 
+			&data_header->frame_buffer,
+			&data_header->frame_buffer_length,
+			&data_header->hres,
+			&data_header->vres,
+			&data_header->rmask,
+			&data_header->gmask,
+			&data_header->bmask);
+	CHECK_EFI_STATUS_OR_FAIL(status);
+	memory_mark_pointer_fixup((void **)&data_header->frame_buffer);
+
+	// Save the memory map and tell the firmware we're taking control.
+	//
+	struct memory_map map;
+	map.length = (load.data_length - header_size);
+	map.entries =
+		reinterpret_cast<EFI_MEMORY_DESCRIPTOR *>(data_header->memory_map);
+
+	status = memory_get_map(bootsvc, &map);
+	CHECK_EFI_STATUS_OR_FAIL(status);
+
+	data_header->memory_map_length = map.length;
+	data_header->memory_map_desc_size = map.size;
+
+	detect_debug_mode(runsvc, data_header);
+
+	// bootsvc->Stall(5000000);
+
+	status = bootsvc->ExitBootServices(image_handle, map.key);
+	CHECK_EFI_STATUS_OR_ASSERT(status, 0);
+
+	memory_virtualize(runsvc, &map);
+
+	// Hand control to the kernel
+	//
+	kernel_main(data_header);
+	return EFI_LOAD_ERROR;
 }
-
-memory::efi_mem_map
-uefi_exit(args::header *args, uefi::handle image, uefi::boot_services *bs)
-{
-	status_line status {L"Exiting UEFI", nullptr, false};
-
-	memory::efi_mem_map map =
-		memory::build_kernel_mem_map(args, bs);
-
-	try_or_raise(
-		bs->exit_boot_services(image, map.key),
-		L"Failed to exit boot services");
-
-	return map;
-}
-
-} // namespace boot
-
-/// The UEFI entrypoint for the loader.
-extern "C" uefi::status
-efi_main(uefi::handle image, uefi::system_table *st)
-{
-	using namespace boot;
-	console con(st->boot_services, st->con_out);
-	check_cpu_supported();
-
-	args::header *args = uefi_preboot(image, st);
-	memory::efi_mem_map map = uefi_exit(args, image, st->boot_services);
-
-	args->video = con.fb();
-	status_bar status {con.fb()}; // Switch to fb status display
-
-	// Map the kernel to the appropriate address
-	args::program &kernel = args->programs[0];
-	for (auto &section : kernel.sections)
-		if (section.size)
-			paging::map_section(args, section);
-
-	memory::fix_frame_blocks(args);
-
-	kernel::entrypoint kentry =
-		reinterpret_cast<kernel::entrypoint>(kernel.entrypoint);
-	status.next();
-
-
-	hw::setup_control_regs();
-	memory::virtualize(args->pml4, map, st->runtime_services);
-	status.next();
-
-	change_pointer(args->pml4);
-	status.next();
-
-	kentry(args);
-	debug_break();
-	return uefi::status::unsupported;
-}
-

src/boot/memory.cpp

@@ -1,384 +1,215 @@
 #include <stddef.h>
-#include <uefi/types.h>
 
-#include "kernel_memory.h"
+#include "loader.h"
-
-#include "console.h"
-#include "error.h"
 #include "memory.h"
-#include "paging.h"
+#include "utility.h"
-#include "status.h"
 
-namespace boot {
+const EFI_MEMORY_TYPE memtype_kernel  = static_cast<EFI_MEMORY_TYPE>(0x80000000);
-namespace memory {
+const EFI_MEMORY_TYPE memtype_data    = static_cast<EFI_MEMORY_TYPE>(0x80000001);
+const EFI_MEMORY_TYPE memtype_initrd  = static_cast<EFI_MEMORY_TYPE>(0x80000002);
+const EFI_MEMORY_TYPE memtype_scratch = static_cast<EFI_MEMORY_TYPE>(0x80000003);
 
-using mem_entry = kernel::args::mem_entry;
+#define INCREMENT_DESC(p, b)  (EFI_MEMORY_DESCRIPTOR*)(((uint8_t*)(p))+(b))
-using mem_type = kernel::args::mem_type;
-using frame_block = kernel::args::frame_block;
-using kernel::args::frames_per_block;
 
 size_t fixup_pointer_index = 0;
 void **fixup_pointers[64];
+uint64_t *new_pml4 = 0;
 
-static const wchar_t *memory_type_names[] = {
+const wchar_t *memory_type_names[] = {
-	L"reserved memory type",
+	L"EfiReservedMemoryType",
-	L"loader code",
+	L"EfiLoaderCode",
-	L"loader data",
+	L"EfiLoaderData",
-	L"boot services code",
+	L"EfiBootServicesCode",
-	L"boot services data",
+	L"EfiBootServicesData",
-	L"runtime services code",
+	L"EfiRuntimeServicesCode",
-	L"runtime services data",
+	L"EfiRuntimeServicesData",
-	L"conventional memory",
+	L"EfiConventionalMemory",
-	L"unusable memory",
+	L"EfiUnusableMemory",
-	L"acpi reclaim memory",
+	L"EfiACPIReclaimMemory",
-	L"acpi memory nvs",
+	L"EfiACPIMemoryNVS",
-	L"memory mapped io",
+	L"EfiMemoryMappedIO",
-	L"memory mapped io port space",
+	L"EfiMemoryMappedIOPortSpace",
-	L"pal code",
+	L"EfiPalCode",
-	L"persistent memory"
+	L"EfiPersistentMemory",
-};
-
-static const wchar_t *kernel_memory_type_names[] = {
-	L"free",
-	L"pending",
-	L"acpi",
-	L"uefi_runtime",
-	L"mmio",
-	L"persistent"
 };
 
 static const wchar_t *
-memory_type_name(uefi::memory_type t)
+memory_type_name(UINT32 value)
 {
-	if (t < uefi::memory_type::max_memory_type)
+	if (value >= (sizeof(memory_type_names) / sizeof(wchar_t *))) {
-		return memory_type_names[static_cast<uint32_t>(t)];
+		switch (value) {
-
+			case memtype_kernel:  return L"Kernel Data";
-	return L"Bad Type Value";
+			case memtype_data:    return L"Kernel Data";
+			case memtype_initrd:  return L"Initial Ramdisk";
+			case memtype_scratch: return L"Kernel Scratch Space";
+			default: return L"Bad Type Value";
+		}
+	}
+	return memory_type_names[value];
 }
 
-static const wchar_t *
+void EFIAPI
-kernel_memory_type_name(kernel::args::mem_type t)
+memory_update_marked_addresses(EFI_EVENT UNUSED *event, void *context)
 {
-	return kernel_memory_type_names[static_cast<uint32_t>(t)];
+	EFI_RUNTIME_SERVICES *runsvc = (EFI_RUNTIME_SERVICES*)context;
-}
-
-void
-update_marked_addresses(uefi::event, void *context)
-{
-	uefi::runtime_services *rs =
-		reinterpret_cast<uefi::runtime_services*>(context);
-
 	for (size_t i = 0; i < fixup_pointer_index; ++i) {
 		if (fixup_pointers[i])
-			rs->convert_pointer(0, fixup_pointers[i]);
+			runsvc->ConvertPointer(0, fixup_pointers[i]);
 	}
 }
 
+EFI_STATUS
+memory_init_pointer_fixup(EFI_BOOT_SERVICES *bootsvc, EFI_RUNTIME_SERVICES *runsvc, unsigned scratch_pages)
+{
+	EFI_STATUS status;
+	EFI_EVENT event;
+
+	status = bootsvc->CreateEvent(
+			EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE,
+			TPL_CALLBACK,
+			(EFI_EVENT_NOTIFY)&memory_update_marked_addresses,
+			runsvc,
+			&event);
+
+	CHECK_EFI_STATUS_OR_RETURN(status, "Failed to initialize pointer update event.");
+
+	// Reserve a page for our replacement PML4, plus some pages for the kernel to use
+	// as page tables while it gets started.
+	EFI_PHYSICAL_ADDRESS addr = 0;
+	status = bootsvc->AllocatePages(AllocateAnyPages, memtype_scratch, scratch_pages, &addr);
+	CHECK_EFI_STATUS_OR_RETURN(status, "Failed to allocate page table pages.");
+
+	new_pml4 = (uint64_t *)addr;
+	return EFI_SUCCESS;
+}
+
 void
-init_pointer_fixup(uefi::boot_services *bs, uefi::runtime_services *rs)
+memory_mark_pointer_fixup(void **p)
 {
-	status_line status(L"Initializing pointer virtualization event");
+	if (fixup_pointer_index == 0) {
-
+		const size_t count = sizeof(fixup_pointers) / sizeof(void*);
-	uefi::event event;
+		for (size_t i = 0; i < count; ++i) fixup_pointers[i] = 0;
-	bs->set_mem(&fixup_pointers, sizeof(fixup_pointers), 0);
-	fixup_pointer_index = 0;
-
-	try_or_raise(
-		bs->create_event(
-			uefi::evt::signal_virtual_address_change,
-			uefi::tpl::callback,
-			(uefi::event_notify)&update_marked_addresses,
-			rs,
-			&event),
-		L"Error creating memory virtualization event");
 	}
-
-void
-mark_pointer_fixup(void **p)
-{
 	fixup_pointers[fixup_pointer_index++] = p;
 }
 
-bool
+void
-can_merge(mem_entry &prev, mem_type type, uefi::memory_descriptor *next)
+copy_desc(EFI_MEMORY_DESCRIPTOR *src, EFI_MEMORY_DESCRIPTOR *dst, size_t len)
 {
-	return
+	uint8_t *srcb = (uint8_t *)src;
-		prev.type == type &&
+	uint8_t *dstb = (uint8_t *)dst;
-		prev.start + (page_size * prev.pages) == next->physical_start &&
+	uint8_t *endb = srcb + len;
-		prev.attr == (next->attribute & 0xffffffff);
+	while (srcb < endb)
+		*dstb++ = *srcb++;
+}
+
+EFI_STATUS
+memory_get_map_length(EFI_BOOT_SERVICES *bootsvc, size_t *size)
+{
+	if (size == NULL)
+		return EFI_INVALID_PARAMETER;
+
+	EFI_STATUS status;
+	size_t key, desc_size;
+	uint32_t desc_version;
+	*size = 0;
+	status = bootsvc->GetMemoryMap(size, 0, &key, &desc_size, &desc_version);
+	if (status != EFI_BUFFER_TOO_SMALL) {
+		CHECK_EFI_STATUS_OR_RETURN(status, "Failed to get memory map size");
+	}
+	return EFI_SUCCESS;
+}
+
+EFI_STATUS
+memory_get_map(EFI_BOOT_SERVICES *bootsvc, struct memory_map *map)
+{
+	EFI_STATUS status;
+
+	if (map == NULL)
+		return EFI_INVALID_PARAMETER;
+
+	size_t needs_size = 0;
+	status = memory_get_map_length(bootsvc, &needs_size);
+	if (EFI_ERROR(status)) return status;
+
+	if (map->length < needs_size)
+		return EFI_BUFFER_TOO_SMALL;
+
+	status = bootsvc->GetMemoryMap(&map->length, map->entries, &map->key, &map->size, &map->version);
+	CHECK_EFI_STATUS_OR_RETURN(status, "Failed to load memory map");
+	return EFI_SUCCESS;
+}
+
+EFI_STATUS
+memory_dump_map(struct memory_map *map)
+{
+	if (map == NULL)
+		return EFI_INVALID_PARAMETER;
+
+	const size_t count = map->length / map->size;
+
+	console::print(L"Memory map:\n");
+	console::print(L"\t	Descriptor Count: %d (%d bytes)\n", count, map->length);
+	console::print(L"\t  Descriptor Size: %d bytes\n", map->size);
+	console::print(L"\t      Type offset: %d\n\n", offsetof(EFI_MEMORY_DESCRIPTOR, Type));
+
+	EFI_MEMORY_DESCRIPTOR *end = INCREMENT_DESC(map->entries, map->length);
+	EFI_MEMORY_DESCRIPTOR *d = map->entries;
+	while (d < end) {
+		int runtime = (d->Attribute & EFI_MEMORY_RUNTIME) == EFI_MEMORY_RUNTIME;
+		console::print(L"%s%s ", memory_type_name(d->Type), runtime ? L"*" : L" ");
+		console::print(L"%lx ", d->PhysicalStart);
+		console::print(L"%lx ", d->VirtualStart);
+		console::print(L"[%4d]\n", d->NumberOfPages);
+
+		d = INCREMENT_DESC(d, map->size);
+	}
+
+	return EFI_SUCCESS;
 }
 
 void
-get_uefi_mappings(efi_mem_map &map, uefi::boot_services *bs)
+memory_virtualize(EFI_RUNTIME_SERVICES *runsvc, struct memory_map *map)
 {
-	size_t length = map.total;
+	memory_mark_pointer_fixup((void **)&runsvc);
-	uefi::status status = bs->get_memory_map(
+	memory_mark_pointer_fixup((void **)&map);
-		&length, map.entries, &map.key, &map.size, &map.version);
-	map.length = length;
 
-	if (status == uefi::status::success)
+	// Get the pointer to the start of PML4
-		return;
+	uint64_t* cr3 = 0;
+	__asm__ __volatile__ ( "mov %%cr3, %0" : "=r" (cr3) );
 
-	if (status != uefi::status::buffer_too_small)
+	// PML4 is indexed with bits 39:47 of the virtual address
-		error::raise(status, L"Error getting memory map size");
+	uint64_t offset = (KERNEL_VIRT_ADDRESS >> 39) & 0x1ff;
 
-	if (map.entries) {
+	// Double map the lower half pages that are present into the higher half
-		try_or_raise(
+	for (unsigned i = 0; i < offset; ++i) {
-			bs->free_pool(reinterpret_cast<void*>(map.entries)),
+		if (cr3[i] & 0x1)
-			L"Freeing previous memory map space");
+			new_pml4[i] = new_pml4[offset+i] = cr3[i];
+		else
+			new_pml4[i] = new_pml4[offset+i] = 0;
 	}
 
-	map.total = length + 10*map.size;
+	// Write our new PML4 pointer back to CR3
+	__asm__ __volatile__ ( "mov %0, %%cr3" :: "r" (new_pml4) );
 
-	try_or_raise(
+	EFI_MEMORY_DESCRIPTOR *end = INCREMENT_DESC(map->entries, map->length);
-		bs->allocate_pool(
+	EFI_MEMORY_DESCRIPTOR *d = map->entries;
-			uefi::memory_type::loader_data, map.total,
+	while (d < end) {
-			reinterpret_cast<void**>(&map.entries)),
+		switch (d->Type) {
-		L"Allocating space for memory map");
+		case memtype_kernel:
-
+		case memtype_data:
-	map.length = map.total;
+		case memtype_initrd:
-	try_or_raise(
+		case memtype_scratch:
-		bs->get_memory_map(&map.length, map.entries, &map.key, &map.size, &map.version),
+			d->Attribute |= EFI_MEMORY_RUNTIME;
-		L"Getting UEFI memory map");
+			d->VirtualStart = d->PhysicalStart + KERNEL_VIRT_ADDRESS;
-}
-
-inline size_t bitmap_size(size_t frames) { return (frames + 63) / 64; }
-inline size_t num_blocks(size_t frames) { return (frames + (frames_per_block-1)) / frames_per_block; }
-
-void
-build_kernel_frame_blocks(const mem_entry *map, size_t nent, kernel::args::header *args, uefi::boot_services *bs)
-{
-	status_line status {L"Creating kernel frame accounting map"};
-
-	size_t block_count = 0;
-	size_t total_bitmap_size = 0;
-	for (size_t i = 0; i < nent; ++i) {
-		const mem_entry &ent = map[i];
-		if (ent.type != mem_type::free)
-			continue;
-
-		block_count += num_blocks(ent.pages);
-		total_bitmap_size += bitmap_size(ent.pages) * sizeof(uint64_t);
-	}
-
-	size_t total_size = block_count * sizeof(frame_block) + total_bitmap_size;
-
-	frame_block *blocks = nullptr;
-	try_or_raise(
-		bs->allocate_pages(
-			uefi::allocate_type::any_pages,
-			uefi::memory_type::loader_data,
-			bytes_to_pages(total_size),
-			reinterpret_cast<void**>(&blocks)),
-		L"Error allocating kernel frame block space");
-
-	frame_block *next_block = blocks;
-	for (size_t i = 0; i < nent; ++i) {
-		const mem_entry &ent = map[i];
-		if (ent.type != mem_type::free)
-			continue;
-
-		size_t page_count = ent.pages;
-		uintptr_t base_addr = ent.start;
-		while (page_count) {
-			frame_block *blk = next_block++;
-			bs->set_mem(blk, sizeof(frame_block), 0);
-
-			blk->attrs = ent.attr;
-			blk->base = base_addr;
-			base_addr += frames_per_block * page_size;
-
-			if (page_count >= frames_per_block) {
-				page_count -= frames_per_block;
-				blk->count = frames_per_block;
-				blk->map1 = ~0ull;
-				bs->set_mem(blk->map2, sizeof(blk->map2), 0xff);
-			} else {
-				blk->count = page_count;
-				unsigned i = 0;
-
-				uint64_t b1 = (page_count + 4095) / 4096;
-				blk->map1 = (1 << b1) - 1;
-
-				uint64_t b2 = (page_count + 63) / 64;
-				uint64_t b2q = b2 / 64;
-				uint64_t b2r = b2 % 64;
-				bs->set_mem(blk->map2, b2q, 0xff);
-				blk->map2[b2q] = (1 << b2r) - 1;
-				break;
-			}
-		}
-	}
-
-	uint64_t *bitmap = reinterpret_cast<uint64_t*>(next_block);
-	bs->set_mem(bitmap, total_bitmap_size, 0);
-	for (unsigned i = 0; i < block_count; ++i) {
-		frame_block &blk = blocks[i];
-		blk.bitmap = bitmap;
-
-		size_t b = blk.count / 64;
-		size_t r = blk.count % 64;
-		bs->set_mem(blk.bitmap, b*8, 0xff);
-		blk.bitmap[b] = (1 << r) - 1;
-
-		bitmap += bitmap_size(blk.count);
-	}
-
-	args->frame_block_count = block_count;
-	args->frame_block_pages = bytes_to_pages(total_size);
-	args->frame_blocks = blocks;
-}
-
-void
-fix_frame_blocks(kernel::args::header *args)
-{
-	// Map the frame blocks to the appropriate address
-	paging::map_pages(args,
-		reinterpret_cast<uintptr_t>(args->frame_blocks),
-		::memory::bitmap_start,
-		args->frame_block_pages,
-		true, false);
-
-	uintptr_t offset = ::memory::bitmap_start -
-		reinterpret_cast<uintptr_t>(args->frame_blocks);
-
-	for (unsigned i = 0; i < args->frame_block_count; ++i) {
-		frame_block &blk = args->frame_blocks[i];
-		blk.bitmap = reinterpret_cast<uint64_t*>(
-			reinterpret_cast<uintptr_t>(blk.bitmap) + offset);
-	}
-}
-
-efi_mem_map
-build_kernel_mem_map(kernel::args::header *args, uefi::boot_services *bs)
-{
-	status_line status {L"Creating kernel memory map"};
-
-	efi_mem_map map;
-	get_uefi_mappings(map, bs);
-
-	size_t map_size = map.num_entries() * sizeof(mem_entry);
-
-	kernel::args::mem_entry *kernel_map = nullptr;
-	try_or_raise(
-		bs->allocate_pages(
-			uefi::allocate_type::any_pages,
-			uefi::memory_type::loader_data,
-			bytes_to_pages(map_size),
-			reinterpret_cast<void**>(&kernel_map)),
-		L"Error allocating kernel memory map module space");
-
-	bs->set_mem(kernel_map, map_size, 0);
-	get_uefi_mappings(map, bs);
-
-	size_t nent = 0;
-	bool first = true;
-	for (auto desc : map) {
-		/*
-		// EFI map dump
-		console::print(L"   eRange %lx (%lx) %x(%s) [%lu]\r\n",
-			desc->physical_start, desc->attribute, desc->type, memory_type_name(desc->type), desc->number_of_pages);
-		*/
-
-		mem_type type;
-		switch (desc->type) {
-			case uefi::memory_type::reserved:
-			case uefi::memory_type::unusable_memory:
-			case uefi::memory_type::acpi_memory_nvs:
-			case uefi::memory_type::pal_code:
-				continue;
-
-			case uefi::memory_type::loader_code:
-			case uefi::memory_type::boot_services_code:
-			case uefi::memory_type::boot_services_data:
-			case uefi::memory_type::conventional_memory:
-			case uefi::memory_type::loader_data:
-				type = mem_type::free;
-				break;
-
-			case uefi::memory_type::runtime_services_code:
-			case uefi::memory_type::runtime_services_data:
-				type = mem_type::uefi_runtime;
-				break;
-
-			case uefi::memory_type::acpi_reclaim_memory:
-				type = mem_type::acpi;
-				break;
-
-			case uefi::memory_type::memory_mapped_io:
-			case uefi::memory_type::memory_mapped_io_port_space:
-				type = mem_type::mmio;
-				break;
-
-			case uefi::memory_type::persistent_memory:
-				type = mem_type::persistent;
-				break;
 
 		default:
-				error::raise(
+			if (d->Attribute & EFI_MEMORY_RUNTIME) {
-					uefi::status::invalid_parameter,
+				d->VirtualStart = d->PhysicalStart + KERNEL_VIRT_ADDRESS;
-					L"Got an unexpected memory type from UEFI memory map");
-		}
-
-		// TODO: validate uefi's map is sorted
-		if (first) {
-			first = false;
-			mem_entry &ent = kernel_map[nent++];
-			ent.start = desc->physical_start;
-			ent.pages = desc->number_of_pages;
-			ent.type = type;
-			ent.attr = (desc->attribute & 0xffffffff);
-			continue;
-		}
-
-		mem_entry &prev = kernel_map[nent - 1];
-		if (can_merge(prev, type, desc)) {
-			prev.pages += desc->number_of_pages;
-		} else {
-			mem_entry &next = kernel_map[nent++];
-			next.start = desc->physical_start;
-			next.pages = desc->number_of_pages;
-			next.type = type;
-			next.attr = (desc->attribute & 0xffffffff);
 			}
 		}
-
+		d = INCREMENT_DESC(d, map->size);
-	// Give just the actually-set entries in the header
-	args->mem_map = kernel_map;
-	args->map_count = nent;
-
-	/*
-	// kernel map dump
-	for (unsigned i = 0; i < nent; ++i) {
-		const kernel::args::mem_entry &e = kernel_map[i];
-		console::print(L"   kRange %lx (%lx) %x(%s) [%lu]\r\n",
-			e.start, e.attr, e.type, kernel_memory_type_name(e.type), e.pages);
-	}
-	*/
-
-	build_kernel_frame_blocks(kernel_map, nent, args, bs);
-	get_uefi_mappings(map, bs);
-	return map;
 	}
 
-void
+	runsvc->SetVirtualAddressMap(map->length, map->size, map->version, map->entries);
-virtualize(void *pml4, efi_mem_map &map, uefi::runtime_services *rs)
-{
-	paging::add_current_mappings(reinterpret_cast<paging::page_table*>(pml4));
-
-	for (auto desc : map)
-		desc->virtual_start = desc->physical_start + ::memory::page_offset;
-
-	// Write our new PML4 pointer to CR3
-	asm volatile ( "mov %0, %%cr3" :: "r" (pml4) );
-	__sync_synchronize();
-
-	try_or_raise(
-		rs->set_virtual_address_map(
-			map.length, map.size, map.version, map.entries),
-		L"Error setting virtual address map");
 }
-
-
-} // namespace boot
-} // namespace memory

src/boot/memory.h

@@ -1,84 +1,27 @@
-/// \file memory.h
-/// Memory-related constants and functions.
 #pragma once
-#include <uefi/boot_services.h>
+#include <efi/efi.h>
-#include <uefi/runtime_services.h>
-#include <stdint.h>
-#include "kernel_args.h"
-#include "pointer_manipulation.h"
 
-namespace boot {
+extern const EFI_MEMORY_TYPE memtype_kernel;
-namespace memory {
+extern const EFI_MEMORY_TYPE memtype_data;
+extern const EFI_MEMORY_TYPE memtype_initrd;
+extern const EFI_MEMORY_TYPE memtype_scratch;
 
-/// UEFI specifies that pages are always 4 KiB.
+struct memory_map {
-constexpr size_t page_size = 0x1000;
+	size_t length;
-
+	size_t size;
-/// Get the number of pages needed to hold `bytes` bytes
+	size_t key;
-inline constexpr size_t bytes_to_pages(size_t bytes) {
+	uint32_t version;
-	return ((bytes - 1) / page_size) + 1;
+	EFI_MEMORY_DESCRIPTOR *entries;
-}
-
-/// \defgroup pointer_fixup
-/// Memory virtualization pointer fixup functions. Handles changing affected pointers
-/// when calling UEFI's `set_virtual_address_map` function to change the location of
-/// runtime services in virtual memory.
-/// @{
-
-/// Set up the pointer fixup UEFI events. This registers the necessary callbacks for
-/// runtime services to call when `set_virtual_address_map` is called.
-void init_pointer_fixup(uefi::boot_services *bs, uefi::runtime_services *rs);
-
-/// Mark a given pointer as needing to be updated when doing pointer fixup.
-void mark_pointer_fixup(void **p);
-
-/// @}
-
-/// Struct that represents UEFI's memory map. Contains a pointer to the map data
-/// as well as the data on how to read it.
-struct efi_mem_map
-{
-	using desc = uefi::memory_descriptor;
-	using iterator = offset_iterator<desc>;
-
-	size_t length;     ///< Total length of the map data
-	size_t total;      ///< Total allocated space for map data
-	size_t size;       ///< Size of an entry in the array
-	size_t key;        ///< Key for detecting changes
-	uint32_t version;  ///< Version of the `memory_descriptor` struct
-	desc *entries;     ///< The array of UEFI descriptors
-
-	efi_mem_map() : length(0), total(0), size(0), key(0), version(0), entries(nullptr) {}
-
-	/// Get the count of entries in the array
-	inline size_t num_entries() const { return length / size; }
-
-	/// Return an iterator to the beginning of the array
-	iterator begin() { return iterator(entries, size); }
-
-	/// Return an iterator to the end of the array
-	iterator end() { return offset_ptr<desc>(entries, length); }
 };
 
-/// Add the kernel's memory map as a module to the kernel args.
+EFI_STATUS memory_init_pointer_fixup(
-/// \returns  The uefi memory map used to build the kernel map
+		EFI_BOOT_SERVICES *bootsvc,
-efi_mem_map build_kernel_mem_map(kernel::args::header *args, uefi::boot_services *bs);
+		EFI_RUNTIME_SERVICES *runsvc,
+		unsigned scratch_pages);
+void memory_mark_pointer_fixup(void **p);
 
-/// Create the kernel frame allocation maps
+EFI_STATUS memory_get_map_length(EFI_BOOT_SERVICES *bootsvc, size_t *size);
-void build_kernel_frame_blocks(
+EFI_STATUS memory_get_map(EFI_BOOT_SERVICES *bootsvc, struct memory_map *map);
-		const kernel::args::mem_entry *map, size_t nent,
+EFI_STATUS memory_dump_map(struct memory_map *map);
-		kernel::args::header *args, uefi::boot_services *bs);
 
-/// Map the frame allocation maps to the right spot and fix up pointers
+void memory_virtualize(EFI_RUNTIME_SERVICES *runsvc, struct memory_map *map);
-void fix_frame_blocks(kernel::args::header *args);
-
-/// Activate the given memory mappings. Sets the given page tables live as well
-/// as informs UEFI runtime services of the new mappings.
-/// \arg pml4  The root page table for the new mappings
-/// \arg map   The UEFI memory map, used to update runtime services
-void virtualize(
-	void *pml4,
-	efi_mem_map &map,
-	uefi::runtime_services *rs);
-
-} // namespace boot
-} // namespace memory

src/boot/paging.cpp

@@ -1,287 +0,0 @@
-#include "kernel_memory.h"
-
-#include "console.h"
-#include "error.h"
-#include "loader.h"
-#include "memory.h"
-#include "paging.h"
-#include "pointer_manipulation.h"
-#include "status.h"
-
-namespace boot {
-namespace paging {
-
-using memory::page_size;
-using ::memory::pml4e_kernel;
-using ::memory::table_entries;
-
-// Flags: 0 0 0 1  0 0 0 0  0 0 0 1 = 0x0101
-//         IGN  |  | | | |  | | | +- Present
-//              |  | | | |  | | +--- Writeable
-//              |  | | | |  | +----- Usermode access (supervisor only)
-//              |  | | | |  +------- PWT (determining memory type for page)
-//              |  | | | +---------- PCD (determining memory type for page)
-//              |  | | +------------ Accessed flag (not accessed yet)
-//              |  | +-------------- Dirty (not dirtied yet)
-//              |  +---------------- PAT (determining memory type for page)
-//              +------------------- Global
-/// Page table entry flags for entries pointing at a page
-constexpr uint64_t page_flags = 0x101;
-
-// Flags: 0  0 0 0 1  1 0 0 0  1 0 1 1 = 0x018b
-//        |   IGN  |  | | | |  | | | +- Present
-//        |        |  | | | |  | | +--- Writeable
-//        |        |  | | | |  | +----- Supervisor only
-//        |        |  | | | |  +------- PWT (determining memory type for page)
-//        |        |  | | | +---------- PCD (determining memory type for page)
-//        |        |  | | +------------ Accessed flag (not accessed yet)
-//        |        |  | +-------------- Dirty (not dirtied yet)
-//        |        |  +---------------- Page size (1GiB page)
-//        |        +------------------- Global
-//        +---------------------------- PAT (determining memory type for page)
-/// Page table entry flags for entries pointing at a huge page
-constexpr uint64_t huge_page_flags = 0x18b;
-
-// Flags: 0 0 0 0  0 0 0 0  0 0 1 1 = 0x0003
-//        IGNORED  | | | |  | | | +- Present
-//                 | | | |  | | +--- Writeable
-//                 | | | |  | +----- Usermode access (Supervisor only)
-//                 | | | |  +------- PWT (determining memory type for pdpt)
-//                 | | | +---------- PCD (determining memory type for pdpt)
-//                 | | +------------ Accessed flag (not accessed yet)
-//                 | +-------------- Ignored
-//                 +---------------- Reserved 0 (Table pointer, not page)
-/// Page table entry flags for entries pointing at another table
-constexpr uint64_t table_flags = 0x003;
-
-/// Iterator over page table entries.
-template <unsigned D = 4>
-class page_entry_iterator
-{
-public:
-	/// Constructor.
-	/// \arg virt       Virtual address this iterator is starting at
-	/// \arg pml4       Root of the page tables to iterate
-	/// \arg page_cache Pointer to pages that can be used for page tables
-	/// \arg page_count Number of pages pointed to by `page_cache`
-	page_entry_iterator(
-			uintptr_t virt,
-			page_table *pml4,
-			void *&page_cache,
-			size_t &cache_count) :
-		m_page_cache(page_cache),
-		m_cache_count(cache_count)
-	{
-		m_table[0] = pml4;
-		for (unsigned i = 0; i < D; ++i) {
-			m_index[i] = static_cast<uint16_t>((virt >> (12 + 9*(3-i))) & 0x1ff);
-			ensure_table(i);
-		}
-	}
-
-	uintptr_t vaddress() const {
-		uintptr_t address = 0;
-		for (unsigned i = 0; i < D; ++i)
-			address |= static_cast<uintptr_t>(m_index[i]) << (12 + 9*(3-i));
-		if (address & (1ull<<47)) // canonicalize the address
-			address |= (0xffffull<<48);
-		return address;
-	}
-
-	void increment()
-	{
-		for (unsigned i = D - 1; i >= 0; --i) {
-			if (++m_index[i] <= 511) {
-				for (unsigned j = i + 1; j < D; ++j)
-					ensure_table(j);
-				return;
-			}
-
-			m_index[i] = 0;
-		}
-	}
-
-	uint64_t & operator*() { return entry(D-1); }
-
-private:
-	inline uint64_t & entry(unsigned level) { return m_table[level]->entries[m_index[level]]; }
-
-	void ensure_table(unsigned level)
-	{
-		// We're only dealing with D levels of paging, and
-		// there must always be a PML4.
-		if (level < 1 || level >= D)
-			return;
-
-		// Entry in the parent that points to the table we want
-		uint64_t & parent_ent = entry(level - 1);
-
-		if (!(parent_ent & 1)) {
-			if (!m_cache_count--)
-				error::raise(uefi::status::out_of_resources, L"Page table cache empty", 0x7ab1e5);
-
-			page_table *table = reinterpret_cast<page_table*>(m_page_cache);
-			m_page_cache = offset_ptr<void>(m_page_cache, page_size);
-
-			parent_ent = (reinterpret_cast<uintptr_t>(table) & ~0xfffull) | table_flags;
-			m_table[level] = table;
-		} else {
-			m_table[level] = reinterpret_cast<page_table*>(parent_ent & ~0xfffull);
-		}
-	}
-
-	void *&m_page_cache;
-	size_t &m_cache_count;
-	page_table *m_table[D];
-	uint16_t m_index[D];
-};
-
-
-static void
-add_offset_mappings(page_table *pml4, void *&page_cache, size_t &num_pages)
-{
-	uintptr_t phys = 0;
-	uintptr_t virt = ::memory::page_offset; // Start of offset-mapped area
-	size_t pages = 64 * 1024; // 64 TiB of 1 GiB pages
-	constexpr size_t GiB = 0x40000000ull;
-
-	page_entry_iterator<2> iterator{
-		virt, pml4,
-		page_cache,
-		num_pages};
-
-	while (true) {
-		*iterator = phys | huge_page_flags;
-		if (--pages == 0)
-			break;
-
-		iterator.increment();
-		phys += GiB;
-	}
-}
-
-static void
-add_kernel_pds(page_table *pml4, void *&page_cache, size_t &num_pages)
-{
-	for (unsigned i = pml4e_kernel; i < table_entries; ++i) {
-		pml4->set(i, page_cache, table_flags);
-		page_cache = offset_ptr<void>(page_cache, page_size);
-		num_pages--;
-	}
-}
-
-void
-add_current_mappings(page_table *new_pml4)
-{
-	// Get the pointer to the current PML4
-	page_table *old_pml4 = 0;
-	asm volatile ( "mov %%cr3, %0" : "=r" (old_pml4) );
-
-	// Only copy mappings in the lower half
-	for (int i = 0; i < ::memory::pml4e_kernel; ++i) {
-		uint64_t entry = old_pml4->entries[i];
-		if (entry & 1)
-			new_pml4->entries[i] = entry;
-	}
-}
-
-void
-allocate_tables(kernel::args::header *args, uefi::boot_services *bs)
-{
-	status_line status(L"Allocating initial page tables");
-
-	static constexpr size_t pd_tables = 256;   // number of pages for kernelspace PDs
-	static constexpr size_t extra_tables = 64; // number of extra pages
-
-	// number of pages for kernelspace PDs + PML4
-	static constexpr size_t kernel_tables = pd_tables + 1;
-
-	static constexpr size_t tables_needed = kernel_tables + extra_tables;
-
-	void *addr = nullptr;
-	try_or_raise(
-		bs->allocate_pages(
-			uefi::allocate_type::any_pages,
-			uefi::memory_type::loader_data,
-			tables_needed,
-			&addr),
-		L"Error allocating page table pages.");
-
-	bs->set_mem(addr, tables_needed*page_size, 0);
-
-	page_table *pml4 = reinterpret_cast<page_table*>(addr);
-
-	args->pml4 = pml4;
-	args->table_pages = tables_needed;
-	args->table_count = tables_needed - 1;
-	args->page_tables = offset_ptr<void>(addr, page_size);
-
-	console::print(L"    First page (pml4) at: 0x%lx\r\n", pml4);
-
-	add_kernel_pds(pml4, args->page_tables, args->table_count);
-	add_offset_mappings(pml4, args->page_tables, args->table_count);
-
-	//console::print(L"    Set up initial mappings, %d spare tables.\r\n", args->table_count);
-}
-
-template <typename E>
-constexpr bool has_flag(E set, E flag) {
-	return
-		(static_cast<uint64_t>(set) & static_cast<uint64_t>(flag)) ==
-		 static_cast<uint64_t>(flag);
-}
-
-void
-map_pages(
-	kernel::args::header *args,
-	uintptr_t phys, uintptr_t virt,
-	size_t count, bool write_flag, bool exe_flag)
-{
-	if (!count)
-		return;
-
-	paging::page_table *pml4 =
-		reinterpret_cast<paging::page_table*>(args->pml4);
-
-	page_entry_iterator<4> iterator{
-		virt, pml4,
-		args->page_tables,
-		args->table_count};
-
-	uint64_t flags = page_flags;
-	if (!exe_flag)
-		flags |= (1ull << 63); // set NX bit
-	if (write_flag)
-		flags |= 2;
-
-	while (true) {
-		*iterator = phys | flags;
-		if (--count == 0)
-			break;
-
-		iterator.increment();
-		phys += page_size;
-	}
-}
-
-void
-map_section(
-	kernel::args::header *args,
-	const kernel::args::program_section &section)
-{
-	using kernel::args::section_flags;
-
-	size_t pages = memory::bytes_to_pages(section.size);
-
-	map_pages(
-		args,
-		section.phys_addr,
-		section.virt_addr,
-		pages,
-		has_flag(section.type, section_flags::write),
-		has_flag(section.type, section_flags::execute));
-}
-
-
-} // namespace paging
-} // namespace boot

src/boot/paging.h

@@ -1,59 +0,0 @@
-#pragma once
-/// \file paging.h
-/// Page table structure and related definitions
-#include <stdint.h>
-#include <uefi/boot_services.h>
-#include "kernel_args.h"
-
-namespace boot {
-namespace paging {
-
-/// Struct to allow easy accessing of a memory page being used as a page table.
-struct page_table
-{
-	uint64_t entries[512];
-
-	inline page_table * get(int i, uint16_t *flags = nullptr) const {
-		uint64_t entry = entries[i];
-		if ((entry & 1) == 0) return nullptr;
-		if (flags) *flags = entry & 0xfff;
-		return reinterpret_cast<page_table *>(entry & ~0xfffull);
-	}
-
-	inline void set(int i, void *p, uint16_t flags) {
-		entries[i] = reinterpret_cast<uint64_t>(p) | (flags & 0xfff);
-	}
-};
-
-/// Allocate memory to be used for initial page tables. Initial offset-mapped
-/// page tables are pre-filled. All pages are saved as a module in kernel args
-/// and kernel args' `page_table_cache` and `num_free_tables` are updated with
-/// the leftover space.
-void allocate_tables(
-	kernel::args::header *args,
-	uefi::boot_services *bs);
-
-/// Copy existing page table entries to a new page table. Does not do a deep
-/// copy - the new PML4 is updated to point to the existing next-level page
-/// tables in the current PML4.
-void add_current_mappings(page_table *new_pml4);
-
-/// Map physical memory pages to virtual addresses in the given page tables.
-/// \arg args    The kernel args header, used for the page table cache and pml4
-/// \arg section The program section to load
-void map_pages(
-	kernel::args::header *args,
-	uintptr_t phys, uintptr_t virt,
-	size_t count, bool write_flag, bool exe_flag);
-
-/// Map a program section in physical memory to its virtual address in the
-/// given page tables.
-/// \arg args    The kernel args header, used for the page table cache and pml4
-/// \arg section The program section to load
-void map_section(
-	kernel::args::header *args,
-	const kernel::args::program_section &section);
-
-
-} // namespace paging
-} // namespace boot

src/boot/pointer_manipulation.h

@@ -1,41 +0,0 @@
-/// \file pointer_manipulation.h
-/// Helper functions and types for doing type-safe byte-wise pointer math.
-#pragma once
-
-namespace boot {
-
-/// Return a pointer offset from `input` by `offset` bytes.
-/// \tparam T  Cast the return value to a pointer to `T`
-/// \tparam S  The type pointed to by the `input` pointer
-template <typename T, typename S>
-inline T* offset_ptr(S* input, ptrdiff_t offset) {
-	return reinterpret_cast<T*>(reinterpret_cast<uintptr_t>(input) + offset);
-}
-
-/// Iterator for an array of `T` whose size is known at runtime
-/// \tparam T  Type of the objects in the array, whose size might not be
-///            what is returned by sizeof(T).
-template <typename T>
-class offset_iterator
-{
-public:
-	/// Constructor.
-	/// \arg t    Pointer to the first item in the array
-	/// \arg off  Offset applied to reach successive items. Default is 0,
-	///           which creates an effectively constant iterator.
-	offset_iterator(T* t, size_t off=0) : m_t(t), m_off(off) {}
-
-	T* operator++() { m_t = offset_ptr<T>(m_t, m_off); return m_t; }
-	T* operator++(int) { T* tmp = m_t; operator++(); return tmp; }
-	bool operator==(T* p) { return p == m_t; }
-
-	T* operator*() const { return m_t; }
-	operator T*() const { return m_t; }
-	T* operator->() const { return m_t; }
-
-private:
-	T* m_t;
-	size_t m_off;
-};
-
-} // namespace boot

src/boot/reloc.cpp

@@ -0,0 +1,97 @@
+/* reloc_x86_64.c - position independent x86_64 ELF shared object relocator
+   Copyright (C) 1999 Hewlett-Packard Co.
+	Contributed by David Mosberger <davidm@hpl.hp.com>.
+   Copyright (C) 2005 Intel Co.
+	Contributed by Fenghua Yu <fenghua.yu@intel.com>.
+
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions
+    are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials
+      provided with the distribution.
+    * Neither the name of Hewlett-Packard Co. nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+    CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+    INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+    MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+    BE LIABLE FOR ANYDIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+    OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+    TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+    THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+    SUCH DAMAGE.
+*/
+
+#include <efi/efi.h>
+#include <elf.h>
+
+extern "C"
+EFI_STATUS _relocate (long ldbase, Elf64_Dyn *dyn,
+		      EFI_HANDLE image EFI_UNUSED,
+		      EFI_SYSTEM_TABLE *systab EFI_UNUSED)
+{
+	long relsz = 0, relent = 0;
+	Elf64_Rel *rel = 0;
+	unsigned long *addr;
+	int i;
+
+	for (i = 0; dyn[i].d_tag != DT_NULL; ++i) {
+		switch (dyn[i].d_tag) {
+			case DT_RELA:
+				rel = (Elf64_Rel*)
+					((unsigned long)dyn[i].d_un.d_ptr
+					 + ldbase);
+				break;
+
+			case DT_RELASZ:
+				relsz = dyn[i].d_un.d_val;
+				break;
+
+			case DT_RELAENT:
+				relent = dyn[i].d_un.d_val;
+				break;
+
+			default:
+				break;
+		}
+	}
+
+        if (!rel && relent == 0)
+                return EFI_SUCCESS;
+
+	if (!rel || relent == 0)
+		return EFI_LOAD_ERROR;
+
+	while (relsz > 0) {
+		/* apply the relocs */
+		switch (ELF64_R_TYPE (rel->r_info)) {
+			case R_X86_64_NONE:
+				break;
+
+			case R_X86_64_RELATIVE:
+				addr = (unsigned long *)
+					(ldbase + rel->r_offset);
+				*addr += ldbase;
+				break;
+
+			default:
+				break;
+		}
+		rel = (Elf64_Rel*) ((char *) rel + relent);
+		relsz -= relent;
+	}
+	return EFI_SUCCESS;
+}

src/boot/status.cpp

@@ -1,265 +0,0 @@
-#include <uefi/types.h>
-#include <uefi/graphics.h>
-
-#include "console.h"
-#include "error.h"
-#include "kernel_args.h"
-#include "status.h"
-
-constexpr int num_boxes = 30;
-
-namespace boot {
-
-static constexpr int level_ok = 0;
-static constexpr int level_warn = 1;
-static constexpr int level_fail = 2;
-
-static const wchar_t *level_tags[] = {
-	L"  ok  ",
-	L" warn ",
-	L"failed"
-};
-
-static const uefi::attribute level_colors[] = {
-	uefi::attribute::green,
-	uefi::attribute::brown,
-	uefi::attribute::light_red
-};
-
-status *status::s_current = nullptr;
-unsigned status::s_current_type = 0;
-unsigned status_bar::s_count = 0;
-
-status_line::status_line(const wchar_t *message, const wchar_t *context, bool fails_clean) :
-	status(fails_clean),
-	m_level(level_ok),
-	m_depth(0),
-	m_outer(nullptr)
-{
-	if (status::s_current_type == status_line::type) {
-		m_outer = static_cast<status_line*>(s_current);
-		m_depth = (m_outer ? 1 + m_outer->m_depth : 0);
-	}
-	s_current = this;
-	s_current_type = status_line::type;
-
-	auto out = console::get().m_out;
-	m_line = out->mode->cursor_row;
-
-	int indent = 2 * m_depth;
-	out->set_cursor_position(indent, m_line);
-	out->set_attribute(uefi::attribute::light_gray);
-	out->output_string(message);
-
-	if (context) {
-		out->output_string(L": ");
-		out->output_string(context);
-	}
-
-	out->output_string(L"\r\n");
-	print_status_tag();
-}
-
-status_line::~status_line()
-{
-	if (s_current != this)
-		error::raise(uefi::status::unsupported, L"Destroying non-current status_line");
-
-	if (m_outer && m_level > m_outer->m_level) {
-		m_outer->m_level = m_level;
-		m_outer->print_status_tag();
-	}
-	s_current = m_outer;
-}
-
-void
-status_line::print_status_tag()
-{
-	auto out = console::get().m_out;
-	int row = out->mode->cursor_row;
-	int col = out->mode->cursor_column;
-
-	uefi::attribute color = level_colors[m_level];
-	const wchar_t *tag = level_tags[m_level];
-
-	out->set_cursor_position(50, m_line);
-
-	out->set_attribute(uefi::attribute::light_gray);
-	out->output_string(L"[");
-	out->set_attribute(color);
-	out->output_string(tag);
-	out->set_attribute(uefi::attribute::light_gray);
-	out->output_string(L"]\r\n");
-
-	out->set_cursor_position(col, row);
-}
-
-void
-status_line::do_warn(const wchar_t *message, uefi::status status)
-{
-	auto out = console::get().m_out;
-	int row = out->mode->cursor_row;
-
-	if (m_level < level_warn) {
-		m_level = level_warn;
-		print_status_tag();
-	}
-
-	int indent = 2 + 2 * m_depth;
-	out->set_cursor_position(indent, row);
-	out->set_attribute(uefi::attribute::yellow);
-	out->output_string(message);
-
-	const wchar_t *error = error::message(status);
-	if (error) {
-		out->output_string(L": ");
-		out->output_string(error);
-	}
-
-	out->set_attribute(uefi::attribute::light_gray);
-	out->output_string(L"\r\n");
-}
-
-void
-status_line::do_fail(const wchar_t *message, uefi::status status)
-{
-	auto out = console::get().m_out;
-	int row = out->mode->cursor_row;
-
-	if (m_level < level_fail) {
-		m_level = level_fail;
-		print_status_tag();
-	}
-
-	int indent = 2 + 2 * m_depth;
-	out->set_cursor_position(indent, row);
-	out->set_attribute(uefi::attribute::red);
-	out->output_string(message);
-
-	const wchar_t *error = error::message(status);
-	if (error) {
-		out->output_string(L": ");
-		out->output_string(error);
-	}
-
-	out->set_attribute(uefi::attribute::light_gray);
-	out->output_string(L"\r\n");
-}
-
-
-
-status_bar::status_bar(kernel::args::framebuffer const &fb) :
-	status(fb.size),
-	m_outer(nullptr)
-{
-	m_size = (fb.vertical / num_boxes) - 1;
-	m_top = fb.vertical - m_size;
-	m_horiz = fb.horizontal;
-	m_fb = reinterpret_cast<uint32_t*>(fb.phys_addr);
-	m_type = static_cast<uint16_t>(fb.type);
-	next();
-
-	if (status::s_current_type == status_bar::type)
-		m_outer = static_cast<status_bar*>(s_current);
-	s_current = this;
-	s_current_type = status_bar::type;
-}
-
-status_bar::~status_bar()
-{
-	if (s_current != this)
-		error::raise(uefi::status::unsupported, L"Destroying non-current status_bar");
-	draw_box();
-	s_current = m_outer;
-}
-
-void
-status_bar::do_warn(const wchar_t *message, uefi::status status)
-{
-	m_status = status;
-	if (m_level < level_warn) {
-		m_level = level_warn;
-		draw_box();
-	}
-}
-
-void
-status_bar::do_fail(const wchar_t *message, uefi::status status)
-{
-	m_status = status;
-	if (m_level < level_fail) {
-		m_level = level_fail;
-		draw_box();
-	}
-}
-
-static uint32_t
-make_color(uint8_t r, uint8_t g, uint8_t b, uint16_t type)
-{
-	switch (static_cast<kernel::args::fb_type>(type)) {
-	case kernel::args::fb_type::bgr8:
-		return
-			(static_cast<uint32_t>(b) <<  0) |
-			(static_cast<uint32_t>(g) <<  8) |
-			(static_cast<uint32_t>(r) << 16);
-
-	case kernel::args::fb_type::rgb8:
-		return
-			(static_cast<uint32_t>(r) <<  0) |
-			(static_cast<uint32_t>(g) <<  8) |
-			(static_cast<uint32_t>(b) << 16);
-	
-	default:
-		return 0;
-	}
-}
-
-void
-status_bar::draw_box()
-{
-	static const uint32_t colors[] = {0x909090, 0xf0f0f0};
-	constexpr unsigned ncolors = sizeof(colors) / sizeof(uint32_t);
-
-	if (m_fb == nullptr)
-		return;
-
-	unsigned x0 = m_current * m_size;
-	unsigned x1 = x0 + m_size - 3;
-	unsigned y0 = m_top;
-	unsigned y1 = m_top + m_size - 3;
-
-	uint32_t color = 0;
-	switch (m_level) {
-	case level_ok:
-		color = colors[m_current % ncolors];
-		break;
-	case level_warn:
-		color = make_color(0xff, 0xb2, 0x34, m_type);
-		break;
-	case level_fail:
-		color = make_color(0xfb, 0x0a, 0x1e, m_type);
-		break;
-	default:
-		color = 0;
-	}
-
-	for (unsigned y = y0; y < y1; ++y)
-		for (unsigned x = x0; x < x1; ++x)
-			m_fb[y * m_horiz + x] = color;
-
-	if (m_level > level_ok) {
-		unsigned nbars = static_cast<uint64_t>(m_status) & 0xffff;
-		constexpr unsigned bar_height = 4;
-
-		for (unsigned i = 1; i <= nbars; ++i) {
-			y0 = m_top - 2 * i * bar_height;
-			y1 = y0 + bar_height;
-
-			for (unsigned y = y0; y < y1; ++y)
-				for (unsigned x = x0; x < x1; ++x)
-					m_fb[y * m_horiz + x] = color;
-		}
-	}
-}
-
-} // namespace boot

src/boot/status.h

@@ -1,131 +0,0 @@
-/// \file status.h
-/// Status message and indicator handling
-#pragma once
-
-#include <stdint.h>
-#include <uefi/types.h>
-
-namespace kernel {
-namespace args {
-	class framebuffer;
-}
-}
-
-namespace boot {
-
-// Abstract base class for status reporters.
-class status
-{
-public:
-	status(bool fails_clean = true) : m_fails_clean(fails_clean) {}
-
-	virtual void do_warn(const wchar_t *message, uefi::status status) = 0;
-	virtual void do_fail(const wchar_t *message, uefi::status status) = 0;
-
-	/// Set the state to warning, and print a message. If the state is already at
-	/// warning or error, the state is unchanged but the message is still printed.
-	/// \arg message  The warning message to print, if text is supported
-	/// \arg status   If set, the error or warning code that should be represented
-	/// \returns      True if there was a status handler to display the warning
-	inline static bool warn(const wchar_t *message, uefi::status status = uefi::status::success) {
-		if (!s_current) return false;
-		s_current->do_warn(message, status);
-		return s_current->m_fails_clean;
-	}
-
-	/// Set the state to error, and print a message. If the state is already at
-	/// error, the state is unchanged but the message is still printed.
-	/// \arg message  The error message to print, if text is supported
-	/// \arg status   The error or warning code that should be represented
-	/// \returns      True if there was a status handler to display the failure
-	inline static bool fail(const wchar_t *message, uefi::status status) {
-		if (!s_current) return false;
-		s_current->do_fail(message, status);
-		return s_current->m_fails_clean;
-	}
-
-protected:
-	static status *s_current;
-	static unsigned s_current_type;
-
-private:
-	bool m_fails_clean;
-};
-
-/// Scoped status line reporter. Prints a message and an "OK" if no errors
-/// or warnings were reported before destruction, otherwise reports the
-/// error or warning.
-class status_line :
-	public status
-{
-public:
-	constexpr static unsigned type = 1;
-
-	/// Constructor.
-	/// \arg message  Description of the operation in progress
-	/// \arg context  If non-null, printed after `message` and a colon
-	/// \arg fails_clean If true, this object can handle printing failure
-	status_line(
-		const wchar_t *message,
-		const wchar_t *context = nullptr,
-		bool fails_clean = true);
-	~status_line();
-
-	virtual void do_warn(const wchar_t *message, uefi::status status) override;
-	virtual void do_fail(const wchar_t *message, uefi::status status) override;
-
-private:
-	void print_status_tag();
-
-	size_t m_line;
-	int m_level;
-	int m_depth;
-
-	status_line *m_outer;
-};
-
-/// Scoped status bar reporter. Draws a row of boxes along the bottom of
-/// the screen, turning one red if there's an error in that step.
-class status_bar :
-	public status
-{
-public:
-	constexpr static unsigned type = 2;
-
-	using framebuffer = kernel::args::framebuffer;
-
-	/// Constructor.
-	/// \arg fb  The framebuffer descriptor to draw to
-	status_bar(kernel::args::framebuffer const &fb);
-	~status_bar();
-
-	virtual void do_warn(const wchar_t *message, uefi::status status) override;
-	virtual void do_fail(const wchar_t *message, uefi::status status) override;
-
-	inline void next() {
-		m_current = s_count++;
-		m_level = 0;
-		m_status = uefi::status::success;
-		draw_box();
-	}
-
-private:
-	void draw_box();
-
-	uint32_t *m_fb;
-	uint32_t m_size;
-	uint32_t m_top;
-	uint32_t m_horiz;
-
-	int m_level;
-	uefi::status m_status;
-
-	uint16_t m_type;
-	uint16_t m_current;
-
-	status_bar *m_outer;
-
-	static unsigned s_count;
-};
-
-} // namespace boot

src/boot/support.cpp

@@ -1,39 +0,0 @@
-#include <stdint.h>
-
-#include "error.h"
-
-extern "C" {
-
-/// Basic memcpy() implementation for clang. Clang requires freestanding code
-/// implement memcpy(), as it may emit references to it. This basic memcpy is
-/// not the most efficient, but will get linked if no other memcpy exists.
-__attribute__ ((__weak__))
-void *memcpy(void *dest, const void *src, size_t n)
-{
-	uint8_t *cdest = reinterpret_cast<uint8_t*>(dest);
-	const uint8_t *csrc = reinterpret_cast<const uint8_t*>(src);
-	for (size_t i = 0; i < n; ++i)
-		cdest[i] = csrc[i];
-	return dest;
-}
-
-/// Basic memset() implementation for clang. Clang requires freestanding code
-/// implement memset(), as it may emit references to it. This basic memset is
-/// not the most efficient, but will get linked if no other memcpy exists.
-__attribute__ ((__weak__))
-void *memset(void *dest, int c, size_t n)
-{
-	uint8_t *cdest = reinterpret_cast<uint8_t*>(dest);
-	for (size_t i = 0; i < n; ++i)
-		cdest[i] = static_cast<uint8_t>(c);
-	return dest;
-}
-
-int _purecall()
-{
-	::boot::error::raise(uefi::status::unsupported, L"Pure virtual call");
-}
-
-} // extern "C"
-
-void operator delete (void *) {}

src/boot/types.h

@@ -1,13 +0,0 @@
-/// \file types.h
-/// Definitions of shared types used throughout the bootloader
-#pragma once
-
-namespace boot {
-
-struct buffer
-{
-	size_t size;
-	void *data;
-};
-
-} // namespace boot

src/boot/utility.cpp

@@ -0,0 +1,71 @@
+#include "utility.h"
+
+struct error_code_desc {
+	EFI_STATUS code;
+	const wchar_t *name;
+};
+
+// Based off the gnu-efi table
+struct error_code_desc error_table[] = {
+	{ EFI_SUCCESS,               L"Success" },
+	{ EFI_LOAD_ERROR,            L"Load Error" },
+	{ EFI_INVALID_PARAMETER,     L"Invalid Parameter" },
+	{ EFI_UNSUPPORTED,           L"Unsupported" },
+	{ EFI_BAD_BUFFER_SIZE,       L"Bad Buffer Size" },
+	{ EFI_BUFFER_TOO_SMALL,      L"Buffer Too Small" },
+	{ EFI_NOT_READY,             L"Not Ready" },
+	{ EFI_DEVICE_ERROR,          L"Device Error" },
+	{ EFI_WRITE_PROTECTED,       L"Write Protected" },
+	{ EFI_OUT_OF_RESOURCES,      L"Out of Resources" },
+	{ EFI_VOLUME_CORRUPTED,      L"Volume Corrupt" },
+	{ EFI_VOLUME_FULL,           L"Volume Full" },
+	{ EFI_NO_MEDIA,              L"No Media" },
+	{ EFI_MEDIA_CHANGED,         L"Media changed" },
+	{ EFI_NOT_FOUND,             L"Not Found" },
+	{ EFI_ACCESS_DENIED,         L"Access Denied" },
+	{ EFI_NO_RESPONSE,           L"No Response" },
+	{ EFI_NO_MAPPING,            L"No mapping" },
+	{ EFI_TIMEOUT,               L"Time out" },
+	{ EFI_NOT_STARTED,           L"Not started" },
+	{ EFI_ALREADY_STARTED,       L"Already started" },
+	{ EFI_ABORTED,               L"Aborted" },
+	{ EFI_ICMP_ERROR,            L"ICMP Error" },
+	{ EFI_TFTP_ERROR,            L"TFTP Error" },
+	{ EFI_PROTOCOL_ERROR,        L"Protocol Error" },
+	{ EFI_INCOMPATIBLE_VERSION,  L"Incompatible Version" },
+	{ EFI_SECURITY_VIOLATION,    L"Security Policy Violation" },
+	{ EFI_CRC_ERROR,             L"CRC Error" },
+	{ EFI_END_OF_MEDIA,          L"End of Media" },
+	{ EFI_END_OF_FILE,           L"End of File" },
+	{ EFI_INVALID_LANGUAGE,      L"Invalid Languages" },
+	{ EFI_COMPROMISED_DATA,      L"Compromised Data" },
+
+	{ EFI_WARN_UNKOWN_GLYPH,     L"Warning Unknown Glyph" },
+	{ EFI_WARN_DELETE_FAILURE,   L"Warning Delete Failure" },
+	{ EFI_WARN_WRITE_FAILURE,    L"Warning Write Failure" },
+	{ EFI_WARN_BUFFER_TOO_SMALL, L"Warning Buffer Too Small" },
+	{ 0, NULL }
+};
+
+const wchar_t *
+util_error_message(EFI_STATUS status)
+{
+	int32_t i = -1;
+	while (error_table[++i].name != NULL) {
+		if (error_table[i].code == status) return error_table[i].name;
+	}
+
+	if (EFI_ERROR(status))
+		return L"Unknown Error";
+	else
+		return L"Unknown Warning";
+}
+
+size_t
+wstrlen(const wchar_t *s)
+{
+	size_t count = 0;
+	while (s && *s++) count++;
+	return count;
+}
+

src/boot/utility.h

@@ -0,0 +1,40 @@
+#include <stddef.h>
+#include <efi/efi.h>
+
+#include "console.h"
+
+#define UNUSED __attribute__((unused))
+
+size_t wstrlen(const wchar_t *s);
+const wchar_t *util_error_message(EFI_STATUS status);
+
+#define CHECK_EFI_STATUS_OR_RETURN(s, msg, ...) \
+	if (EFI_ERROR((s))) { \
+		console::print(L"ERROR: " msg L": %s\r\n", ##__VA_ARGS__, util_error_message(s)); \
+		return (s); \
+	}
+
+#define CHECK_EFI_STATUS_OR_FAIL(s) \
+	if (EFI_ERROR((s))) { \
+		console::get().status_fail(util_error_message(s)); \
+		while (1) __asm__("hlt"); \
+	}
+
+#define CHECK_EFI_STATUS_OR_ASSERT(s, d) \
+	if (EFI_ERROR((s))) { \
+		__asm__ __volatile__( \
+			"movq %0, %%r8;" \
+			"movq %1, %%r9;" \
+			"movq %2, %%r10;" \
+			"movq $0, %%rdx;" \
+			"divq %%rdx;" \
+			: \
+			: "r"((uint64_t)s), "r"((uint64_t)d), "r"((uint64_t)__LINE__) \
+			: "rax", "rdx", "r8", "r9", "r10"); \
+	}
+
+#ifdef BOOTLOADER_DEBUG
+#define con_debug(msg, ...) console::print(L"DEBUG: " msg L"\r\n", __VA_ARGS__)
+#else
+#define con_debug(msg, ...)
+#endif

src/drivers/fb/default_font.inc

@@ -1,390 +0,0 @@
-  0x72, 0xb5, 0x4a, 0x86, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
-  0x01, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00,
-  0x10, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-  0x7e, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x7e, 0x00, 0x00, 0x00, 0x00,
-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-  0x00, 0x00, 0x00, 0x00, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa,
-  0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x00, 0x00, 0x00, 0x00,
-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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-  0x08, 0x08, 0x08, 0x3e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x08,
-  0x00, 0x38, 0x08, 0x08, 0x08, 0x08, 0x08, 0x3e, 0x00, 0x00, 0x00, 0x00,
-  0x00, 0x18, 0x24, 0x00, 0x00, 0x38, 0x08, 0x08, 0x08, 0x08, 0x08, 0x3e,
-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x24, 0x00, 0x38, 0x08, 0x08,
-  0x08, 0x08, 0x08, 0x3e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x09, 0x06, 0x1a,
-  0x01, 0x1d, 0x23, 0x41, 0x41, 0x41, 0x22, 0x1c, 0x00, 0x00, 0x00, 0x00,
-  0x00, 0x32, 0x4c, 0x00, 0x00, 0x7c, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42,
-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x08, 0x00, 0x3c, 0x42, 0x42,
-  0x42, 0x42, 0x42, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x08,
-  0x00, 0x3c, 0x42, 0x42, 0x42, 0x42, 0x42, 0x3c, 0x00, 0x00, 0x00, 0x00,
-  0x00, 0x18, 0x24, 0x00, 0x00, 0x3c, 0x42, 0x42, 0x42, 0x42, 0x42, 0x3c,
-  0x00, 0x00, 0x00, 0x00, 0x00, 0x32, 0x4c, 0x00, 0x00, 0x3c, 0x42, 0x42,
-  0x42, 0x42, 0x42, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x24,
-  0x00, 0x3c, 0x42, 0x42, 0x42, 0x42, 0x42, 0x3c, 0x00, 0x00, 0x00, 0x00,
-  0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x7e, 0x00, 0x00, 0x18, 0x18,
-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x3c, 0x46, 0x4a,
-  0x52, 0x62, 0x42, 0x3c, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x10,
-  0x00, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x3e, 0x00, 0x00, 0x00, 0x00,
-  0x00, 0x00, 0x04, 0x08, 0x00, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x3e,
-  0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x24, 0x00, 0x00, 0x42, 0x42, 0x42,
-  0x42, 0x42, 0x42, 0x3e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x24,
-  0x00, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x3e, 0x00, 0x00, 0x00, 0x00,
-  0x00, 0x00, 0x04, 0x08, 0x00, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x3e,
-  0x02, 0x02, 0x3c, 0x00, 0x00, 0x00, 0x40, 0x40, 0x40, 0x5c, 0x62, 0x41,
-  0x41, 0x41, 0x62, 0x5c, 0x40, 0x40, 0x40, 0x00, 0x00, 0x00, 0x24, 0x24,
-  0x00, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x3e, 0x02, 0x02, 0x3c, 0x00,
-  0xff, 0xff, 0xe2, 0x96, 0x92, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc2, 0xb0,
-  0xff, 0xff, 0xff, 0xff, 0xe2, 0x94, 0x98, 0xff, 0xe2, 0x94, 0x90, 0xff,
-  0xe2, 0x94, 0x8c, 0xff, 0xe2, 0x94, 0x94, 0xff, 0xe2, 0x94, 0xbc, 0xff,
-  0xff, 0xff, 0xe2, 0x94, 0x80, 0xff, 0xff, 0xff, 0xe2, 0x94, 0x9c, 0xff,
-  0xe2, 0x94, 0xa4, 0xff, 0xe2, 0x94, 0xb4, 0xff, 0xe2, 0x94, 0xac, 0xff,
-  0xe2, 0x94, 0x82, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc2, 0xa3, 0xff, 0xff,
-  0x20, 0xff, 0x21, 0xff, 0x22, 0xff, 0x23, 0xff, 0x24, 0xff, 0x25, 0xff,
-  0x26, 0xff, 0x27, 0xff, 0x28, 0xff, 0x29, 0xff, 0x2a, 0xff, 0x2b, 0xff,
-  0x2c, 0xff, 0x2d, 0xff, 0x2e, 0xff, 0x2f, 0xff, 0x30, 0xff, 0x31, 0xff,
-  0x32, 0xff, 0x33, 0xff, 0x34, 0xff, 0x35, 0xff, 0x36, 0xff, 0x37, 0xff,
-  0x38, 0xff, 0x39, 0xff, 0x3a, 0xff, 0x3b, 0xff, 0x3c, 0xff, 0x3d, 0xff,
-  0x3e, 0xff, 0x3f, 0xff, 0x40, 0xff, 0x41, 0xff, 0x42, 0xff, 0x43, 0xff,
-  0x44, 0xff, 0x45, 0xff, 0x46, 0xff, 0x47, 0xff, 0x48, 0xff, 0x49, 0xff,
-  0x4a, 0xff, 0x4b, 0xff, 0x4c, 0xff, 0x4d, 0xff, 0x4e, 0xff, 0x4f, 0xff,
-  0x50, 0xff, 0x51, 0xff, 0x52, 0xff, 0x53, 0xff, 0x54, 0xff, 0x55, 0xff,
-  0x56, 0xff, 0x57, 0xff, 0x58, 0xff, 0x59, 0xff, 0x5a, 0xff, 0x5b, 0xff,
-  0x5c, 0xff, 0x5d, 0xff, 0x5e, 0xff, 0x5f, 0xff, 0x60, 0xff, 0x61, 0xff,
-  0x62, 0xff, 0x63, 0xff, 0x64, 0xff, 0x65, 0xff, 0x66, 0xff, 0x67, 0xff,
-  0x68, 0xff, 0x69, 0xff, 0x6a, 0xff, 0x6b, 0xff, 0x6c, 0xff, 0x6d, 0xff,
-  0x6e, 0xff, 0x6f, 0xff, 0x70, 0xff, 0x71, 0xff, 0x72, 0xff, 0x73, 0xff,
-  0x74, 0xff, 0x75, 0xff, 0x76, 0xff, 0x77, 0xff, 0x78, 0xff, 0x79, 0xff,
-  0x7a, 0xff, 0x7b, 0xff, 0x7c, 0xff, 0x7d, 0xff, 0x7e, 0xff, 0xff, 0xff,
-  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc2, 0xa0, 0xff, 0xc2, 0xa1,
-  0xff, 0xc2, 0xa2, 0xff, 0xc2, 0xa3, 0xff, 0xc2, 0xa4, 0xff, 0xc2, 0xa5,
-  0xff, 0xc2, 0xa6, 0xff, 0xff, 0xc2, 0xa8, 0xff, 0xc2, 0xa9, 0xff, 0xff,
-  0xc2, 0xab, 0xff, 0xff, 0xc2, 0xad, 0xff, 0xff, 0xff, 0xc2, 0xb0, 0xff,
-  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc2, 0xb8, 0xff, 0xff, 0xff,
-  0xc2, 0xbb, 0xff, 0xff, 0xff, 0xff, 0xc2, 0xbf, 0xff, 0xc3, 0x80, 0xff,
-  0xc3, 0x81, 0xff, 0xc3, 0x82, 0xff, 0xc3, 0x83, 0xff, 0xc3, 0x84, 0xff,
-  0xc3, 0x85, 0xff, 0xc3, 0x86, 0xff, 0xc3, 0x87, 0xff, 0xc3, 0x88, 0xff,
-  0xc3, 0x89, 0xff, 0xc3, 0x8a, 0xff, 0xc3, 0x8b, 0xff, 0xc3, 0x8c, 0xff,
-  0xc3, 0x8d, 0xff, 0xc3, 0x8e, 0xff, 0xc3, 0x8f, 0xff, 0xc3, 0x90, 0xff,
-  0xc3, 0x91, 0xff, 0xc3, 0x92, 0xff, 0xc3, 0x93, 0xff, 0xc3, 0x94, 0xff,
-  0xc3, 0x95, 0xff, 0xc3, 0x96, 0xff, 0xc3, 0x97, 0xff, 0xc3, 0x98, 0xff,
-  0xc3, 0x99, 0xff, 0xc3, 0x9a, 0xff, 0xc3, 0x9b, 0xff, 0xc3, 0x9c, 0xff,
-  0xc3, 0x9d, 0xff, 0xc3, 0x9e, 0xff, 0xc3, 0x9f, 0xff, 0xc3, 0xa0, 0xff,
-  0xc3, 0xa1, 0xff, 0xc3, 0xa2, 0xff, 0xc3, 0xa3, 0xff, 0xc3, 0xa4, 0xff,
-  0xc3, 0xa5, 0xff, 0xc3, 0xa6, 0xff, 0xc3, 0xa7, 0xff, 0xc3, 0xa8, 0xff,
-  0xc3, 0xa9, 0xff, 0xc3, 0xaa, 0xff, 0xc3, 0xab, 0xff, 0xc3, 0xac, 0xff,
-  0xc3, 0xad, 0xff, 0xc3, 0xae, 0xff, 0xc3, 0xaf, 0xff, 0xc3, 0xb0, 0xff,
-  0xc3, 0xb1, 0xff, 0xc3, 0xb2, 0xff, 0xc3, 0xb3, 0xff, 0xc3, 0xb4, 0xff,
-  0xc3, 0xb5, 0xff, 0xc3, 0xb6, 0xff, 0xc3, 0xb7, 0xff, 0xc3, 0xb8, 0xff,
-  0xc3, 0xb9, 0xff, 0xc3, 0xba, 0xff, 0xc3, 0xbb, 0xff, 0xc3, 0xbc, 0xff,
-  0xc3, 0xbd, 0xff, 0xc3, 0xbe, 0xff, 0xc3, 0xbf, 0xff

src/drivers/fb/font.h

@@ -1,33 +0,0 @@
-#pragma once
-#include <stdint.h>
-
-#include "screen.h"
-
-class font
-{
-public:
-	/// Constructor.
-	/// \arg data  The font data to load. If null, will load the default
-	///            built-in font.
-	font(void const *data = nullptr);
-
-	unsigned glyph_bytes() const { return m_sizey * ((m_sizex + 7) / 8); }
-	unsigned count() const { return m_count; }
-	unsigned width() const { return m_sizex; }
-	unsigned height() const { return m_sizey; }
-	bool valid() const { return m_count > 0; }
-
-	void draw_glyph(
-			screen &s,
-			uint32_t glyph,
-			screen::pixel_t fg,
-			screen::pixel_t bg,
-			unsigned x,
-			unsigned y) const;
-
-private:
-	unsigned m_sizex, m_sizey;
-	unsigned m_count;
-	uint8_t const *m_data;
-};
-

src/drivers/fb/main.cpp

@@ -1,170 +0,0 @@
-#include <stdint.h>
-#include <stdlib.h>
-#include <stdio.h>
-
-#include "j6/init.h"
-#include "j6/errors.h"
-#include "j6/flags.h"
-#include "j6/signals.h"
-#include "j6/syscalls.h"
-#include "j6/types.h"
-
-#include "font.h"
-#include "screen.h"
-#include "scrollback.h"
-
-extern "C" {
-	int main(int, const char **);
-	void _get_init(size_t *initc, struct j6_init_value **initv);
-}
-
-extern j6_handle_t __handle_sys;
-extern j6_handle_t __handle_self;
-
-struct entry
-{
-	uint8_t bytes;
-	uint8_t area;
-	uint8_t severity;
-	uint8_t sequence;
-	char message[0];
-};
-
-void
-draw_stuff(screen &scr, font &fnt)
-{
-	screen::pixel_t fg = scr.color(0xb0, 0xb0, 0xb0);
-	screen::pixel_t bg = scr.color(49, 79, 128);
-
-	unsigned h = fnt.height();
-	unsigned w = fnt.width();
-
-	unsigned lines = scr.height()/h;
-	unsigned columns = scr.width()/w;
-
-	for (unsigned y = 0; y < lines; ++y) {
-		for (unsigned x = 0; x < columns; ++x) {
-			char d = (x + y * columns) % 10 + '0';
-			fnt.draw_glyph(scr, d, fg, bg, x*w, y*h);
-		}
-	}
-
-	for (unsigned y = 0; y < scr.height(); ++y) {
-		for (unsigned x = 0; x < scr.width(); x += 61) {
-			scr.draw_pixel(x, y, 0xffffff);
-		}
-	}
-}
-
-int
-main(int argc, const char **argv)
-{
-	j6_system_log("fb driver starting");
-
-	size_t initc = 0;
-	j6_init_value *initv = nullptr;
-	_get_init(&initc, &initv);
-
-	j6_init_framebuffer *fb = nullptr;
-	for (unsigned i = 0; i < initc; ++i) {
-		if (initv[i].type == j6_init_desc_framebuffer) {
-			fb = reinterpret_cast<j6_init_framebuffer*>(initv[i].data);
-			break;
-		}
-	}
-
-	if (!fb || fb->addr == 0) {
-		j6_system_log("fb driver didn't find a framebuffer, exiting");
-		return 1;
-	}
-
-	j6_handle_t fb_handle = j6_handle_invalid;
-	uint32_t flags =
-		j6_vm_flag_write |
-		j6_vm_flag_write_combine;
-	j6_status_t s = j6_system_map_mmio(__handle_sys, &fb_handle, fb->addr, fb->size, flags);
-	if (s != j6_status_ok) {
-		return s;
-	}
-
-	s = j6_vma_map(fb_handle, __handle_self, fb->addr);
-	if (s != j6_status_ok) {
-		return s;
-	}
-
-	const screen::pixel_order order = (fb->flags & 1) ?
-		screen::pixel_order::bgr8 : screen::pixel_order::rgb8;
-
-	screen scr(
-		reinterpret_cast<void*>(fb->addr),
-		fb->horizontal,
-		fb->vertical,
-		fb->scanline,
-		order);
-
-	font fnt;
-
-	screen::pixel_t fg = scr.color(0xb0, 0xb0, 0xb0);
-	screen::pixel_t bg = scr.color(49, 79, 128);
-	scr.fill(bg);
-	scr.update();
-
-	draw_stuff(scr, fnt);
-	scr.update();
-
-	/*
-	constexpr int margin = 2;
-	const unsigned xstride = (margin + fnt.width());
-	const unsigned ystride = (margin + fnt.height());
-	const unsigned rows = (scr.height() - margin) / ystride;
-	const unsigned cols = (scr.width() - margin) / xstride;
-
-	scrollback scroll(rows, cols);
-
-	int pending = 0;
-	constexpr int pending_threshold = 10;
-
-	j6_handle_t sys = __handle_sys;
-	size_t buffer_size = 0;
-	void *message_buffer = nullptr;
-
-	while (true) {
-		size_t size = buffer_size;
-		j6_status_t s = j6_system_get_log(sys, message_buffer, &size);
-
-		if (s == j6_err_insufficient) {
-			free(message_buffer);
-			message_buffer = malloc(size);
-			buffer_size = size;
-			continue;
-		} else if (s != j6_status_ok) {
-			j6_system_log("fb driver got error from get_log, quitting");
-			return s;
-		}
-
-		if (size > 0) {
-			entry *e = reinterpret_cast<entry*>(message_buffer);
-
-			size_t eom = e->bytes - sizeof(entry);
-			e->message[eom] = 0;
-
-			scroll.add_line(e->message, eom);
-			if (++pending > pending_threshold) {
-				scroll.render(scr, fnt);
-				scr.update();
-				pending = 0;
-			}
-		} else {
-			if (pending) {
-				scroll.render(scr, fnt);
-				scr.update();
-				pending = 0;
-			}
-		}
-	}
-	*/
-
-	j6_system_log("fb driver done, exiting");
-	return 0;
-}
-

src/drivers/fb/screen.cpp

@@ -1,58 +0,0 @@
-#include <stdlib.h>
-#include <string.h>
-#include "screen.h"
-
-screen::screen(volatile void *addr, unsigned hres, unsigned vres, unsigned scanline, pixel_order order) :
-	m_fb(static_cast<volatile pixel_t *>(addr)),
-	m_order(order),
-	m_scanline(scanline),
-	m_resx(hres),
-	m_resy(vres)
-{
-	m_back = reinterpret_cast<pixel_t*>(malloc(scanline*vres*sizeof(pixel_t)));
-	//m_back = const_cast<pixel_t*>(m_fb);
-}
-
-screen::pixel_t
-screen::color(uint8_t r, uint8_t g, uint8_t b) const
-{
-	switch (m_order) {
-	case pixel_order::bgr8:
-		return
-			(static_cast<uint32_t>(b) <<  0) |
-			(static_cast<uint32_t>(g) <<  8) |
-			(static_cast<uint32_t>(r) << 16);
-
-	case pixel_order::rgb8:
-		return
-			(static_cast<uint32_t>(r) <<  0) |
-			(static_cast<uint32_t>(g) <<  8) |
-			(static_cast<uint32_t>(b) << 16);
-	}
-}
-
-void
-screen::fill(pixel_t color)
-{
-	const size_t len = m_scanline * m_resy;
-	asm volatile ( "rep stosl" : :
-		"a"(color), "c"(len), "D"(m_back) );
-}
-
-void
-screen::update()
-{
-	/*
-	const size_t len = m_scanline * m_resy * sizeof(pixel_t);
-	asm volatile ( "rep movsb" : :
-		"c"(len), "S"(m_back), "D"(m_fb) );
-	*/
-	const size_t len = m_scanline * m_resy;
-	for (size_t i = 0; i < len; ++i) {
-		m_fb[i] = m_back[i];
-		/*
-		for (int j = 0; j < 10000; ++j)
-			volatile char c = j;
-		*/
-	}
-}

src/drivers/fb/screen.h

@@ -1,38 +0,0 @@
-#pragma once
-#include <stddef.h>
-#include <stdint.h>
-
-class screen
-{
-public:
-	using pixel_t = uint32_t;
-
-	enum class pixel_order : uint8_t { bgr8, rgb8, };
-
-	screen(volatile void *addr, unsigned hres, unsigned vres, unsigned scanline, pixel_order order);
-
-	unsigned width() const { return m_resx; }
-	unsigned height() const { return m_resy; }
-
-	pixel_t color(uint8_t r, uint8_t g, uint8_t b) const;
-
-	void fill(pixel_t color);
-
-	inline void draw_pixel(unsigned x, unsigned y, pixel_t color) {
-		const size_t index = x + y * m_scanline;
-		if (x > m_resx || y > m_resy)
-			return;
-		m_back[index] = color;
-	}
-
-	void update();
-
-private:
-	volatile pixel_t *m_fb;
-	pixel_t *m_back;
-	pixel_order m_order;
-	unsigned m_scanline;
-	unsigned m_resx, m_resy;
-
-	screen() = delete;
-};

src/drivers/fb/scrollback.cpp

@@ -1,54 +0,0 @@
-#include <stdlib.h>
-#include <string.h>
-
-#include "font.h"
-#include "screen.h"
-#include "scrollback.h"
-
-scrollback::scrollback(unsigned lines, unsigned cols, unsigned margin) :
-	m_rows {lines},
-	m_cols {cols},
-	m_count {0},
-	m_margin {margin}
-{
-	m_data = reinterpret_cast<char*>(malloc(lines*cols));
-	memset(m_data, ' ', lines*cols);
-}
-
-void
-scrollback::add_line(const char *line, size_t len)
-{
-	unsigned i = m_count++ % m_rows;
-
-	if (len > m_cols)
-		len = m_cols;
-
-	char *start = m_data + (i * m_cols);
-	memcpy(start, line, len);
-	if (len < m_cols)
-		memset(start + len, ' ', m_cols - len);
-}
-
-char *
-scrollback::get_line(unsigned i)
-{
-	unsigned line = (i + m_count) % m_rows;
-	return &m_data[line*m_cols];
-}
-
-void
-scrollback::render(screen &scr, font &fnt)
-{
-	screen::pixel_t fg = scr.color(0xb0, 0xb0, 0xb0);
-	screen::pixel_t bg = scr.color(49, 79, 128);
-
-	const unsigned xstride = (m_margin + fnt.width());
-	const unsigned ystride = (m_margin + fnt.height());
-
-	for (unsigned y = 0; y < m_rows; ++y) {
-		char *line = &m_data[y*m_cols];
-		for (unsigned x = 0; x < m_cols; ++x) {
-			fnt.draw_glyph(scr, line[x], fg, bg, m_margin+x*xstride, m_margin+y*ystride);
-		}
-	}
-}

src/drivers/fb/scrollback.h

@@ -1,25 +0,0 @@
-#pragma once
-/// \file scrollback.h
-
-class screen;
-class font;
-
-class scrollback
-{
-public:
-	scrollback(unsigned lines, unsigned cols, unsigned margin = 2);
-
-	void add_line(const char *line, size_t len);
-
-	char * get_line(unsigned i);
-
-	void render(screen &scr, font &fnt);
-
-private:
-	char *m_data;
-	unsigned m_rows, m_cols;
-	unsigned m_start;
-	unsigned m_count;
-	unsigned m_margin;
-};
-

src/drivers/nulldrv/io.cpp

@@ -1,22 +0,0 @@
-#include "io.h"
-
-uint8_t
-inb(uint16_t port)
-{
-	uint8_t val;
-	__asm__ __volatile__ ( "inb %1, %0" : "=a"(val) : "Nd"(port) );
-	return val;
-}
-
-void
-outb(uint16_t port, uint8_t val)
-{
-	__asm__ __volatile__ ( "outb %0, %1" :: "a"(val), "Nd"(port) );
-}
-
-void
-io_wait(unsigned times)
-{
-	for (unsigned i = 0; i < times; ++i)
-		outb(0x80, 0);
-}

src/drivers/nulldrv/io.h

@@ -1,24 +0,0 @@
-#pragma once
-
-#include <stdint.h>
-
-extern "C" {
-
-/// Read a byte from an IO port.
-/// \arg port  The address of the IO port
-/// \returns   One byte read from the port
-uint8_t inb(uint16_t port);
-
-/// Write a byte to an IO port.
-/// \arg port  The addres of the IO port
-/// \arg val   The byte to write
-void outb(uint16_t port, uint8_t val);
-
-/// Pause briefly by doing IO to port 0x80
-/// \arg times  Number of times to delay by writing
-void io_wait(unsigned times = 1);
-
-}
-
-constexpr uint16_t COM1 = 0x03f8;
-constexpr uint16_t COM2 = 0x02f8;

src/drivers/nulldrv/main.cpp

@@ -3,141 +3,36 @@
 
 #include "j6/types.h"
 #include "j6/errors.h"
-#include "j6/signals.h"
-#include "j6/syscalls.h"
-
-#include "io.h"
-#include "serial.h"
-
-char inbuf[1024];
-extern j6_handle_t __handle_sys;
-j6_handle_t endp = j6_handle_invalid;
 
 extern "C" {
+	j6_status_t getpid(uint64_t *);
+	j6_status_t fork(uint64_t *);
+	j6_status_t sleep(uint64_t til);
+	j6_status_t debug();
+	j6_status_t message(const char *msg);
+
 	int main(int, const char **);
 }
 
-void
-thread_proc()
-{
-	j6_system_log("sub thread starting");
-
-	char buffer[512];
-	size_t len = sizeof(buffer);
-	j6_tag_t tag = 0;
-	j6_status_t result = j6_endpoint_receive(endp, &tag, &len, (void*)buffer);
-	if (result != j6_status_ok)
-		j6_thread_exit(result);
-
-	j6_system_log("sub thread received message");
-
-	for (int i = 0; i < len; ++i)
-		if (buffer[i] >= 'A' && buffer[i] <= 'Z')
-			buffer[i] += 0x20;
-
-	tag++;
-	result = j6_endpoint_send(endp, tag, len, (void*)buffer);
-	if (result != j6_status_ok)
-		j6_thread_exit(result);
-
-	j6_system_log("sub thread sent message");
-
-	for (int i = 1; i < 5; ++i)
-		j6_thread_sleep(i*10);
-
-	j6_system_log("sub thread exiting");
-	j6_thread_exit(0);
-}
 
 int
 main(int argc, const char **argv)
 {
-	j6_handle_t child = j6_handle_invalid;
+	uint64_t pid = 0;
-	j6_signal_t out = 0;
+	uint64_t child = 0;
 
-	j6_system_log("main thread starting");
+	j6_status_t result = fork(&child);
-
-	for (int i = 0; i < argc; ++i)
-		j6_system_log(argv[i]);
-
-	void *base = malloc(0x1000);
-	if (!base)
-		return 1;
-
-	uint64_t *vma_ptr = reinterpret_cast<uint64_t*>(base);
-	for (int i = 0; i < 3; ++i)
-		vma_ptr[i*100] = uint64_t(i);
-
-	j6_system_log("main thread wrote to memory area");
-
-	j6_status_t result = j6_endpoint_create(&endp);
 	if (result != j6_status_ok)
 		return result;
 
-	j6_system_log("main thread created endpoint");
+	message("hello from nulldrv!");
 
-	result = j6_thread_create(reinterpret_cast<void*>(&thread_proc), &child);
+	result = getpid(&pid);
 	if (result != j6_status_ok)
 		return result;
 
-	j6_system_log("main thread created sub thread");
+	for (int i = 1; i < 5; ++i)
+		sleep(i*10);
 
-	char message[] = "MAIN THREAD SUCCESSFULLY CALLED SENDRECV IF THIS IS LOWERCASE";
+	return pid;
-	size_t size = sizeof(message);
-	j6_tag_t tag = 16;
-	result = j6_endpoint_sendrecv(endp, &tag, &size, (void*)message);
-	if (result != j6_status_ok)
-		return result;
-
-	if (tag != 17)
-		j6_system_log("GOT WRONG TAG FROM SENDRECV");
-
-	result = j6_system_bind_irq(__handle_sys, endp, 3);
-	if (result != j6_status_ok)
-		return result;
-
-	j6_system_log(message);
-
-	j6_system_log("main thread waiting on child");
-	result = j6_object_wait(child, -1ull, &out);
-	if (result != j6_status_ok)
-		return result;
-
-	j6_system_log("main thread creating a new process");
-	j6_handle_t child_proc = j6_handle_invalid;
-	result = j6_process_create(&child_proc);
-	if (result != j6_status_ok)
-		return result;
-
-	j6_system_log("main testing irqs");
-
-
-	serial_port com2(COM2);
-
-	const char *fgseq = "\x1b[2J";
-	while (*fgseq)
-		com2.write(*fgseq++);
-
-	for (int i = 0; i < 10; ++i)
-		com2.write('%');
-
-	size_t len = 0;
-	while (true) {
-		result = j6_endpoint_receive(endp, &tag, &len, nullptr);
-		if (result != j6_status_ok)
-			return result;
-
-		if (j6_tag_is_irq(tag))
-			j6_system_log("main thread got irq!");
 }
-
-	j6_system_log("main thread closing endpoint");
-
-	result = j6_object_close(endp);
-	if (result != j6_status_ok)
-		return result;
-
-	j6_system_log("main thread done, exiting");
-	return 0;
-}
-

src/drivers/nulldrv/main.s

@@ -0,0 +1,81 @@
+section .bss
+mymessage:
+	resq 1024
+
+extern main
+extern exit
+
+section .text
+global getpid
+getpid:
+	push rbp
+	mov rbp, rsp
+
+	; address of out var should already be in rdi
+	mov rax, 0x13  ; getpid syscall
+	syscall        ; result is now already in rax, so just return
+
+	pop rbp
+	ret
+
+global debug
+debug:
+	push rbp
+	mov rbp, rsp
+
+	mov rax, 0x00  ; debug syscall
+	syscall
+
+	pop rbp
+	ret
+
+global sleep
+sleep:
+	push rbp
+	mov rbp, rsp
+
+	mov rax, 0x16  ; sleep syscall
+	syscall
+
+	pop rbp
+	ret
+
+global fork
+fork:
+	push rbp
+	mov rbp, rsp
+
+	; address of out var should already be in rdi
+	mov rax, 0x12
+	syscall    ; result left in rax
+
+	pop rbp
+	ret
+	
+
+global message
+message:
+	push rbp
+	mov rbp, rsp
+
+	; message should already be in rdi
+	mov rax, 0x14
+	syscall
+
+	pop rbp
+	ret
+
+
+global _start
+_start:
+	xor rbp, rbp	; Sentinel rbp
+	push rbp
+	push rbp
+	mov rbp, rsp
+
+	mov rdi, 0
+	mov rsi, 0
+	call main
+
+	mov rdi, rax
+	call exit

src/drivers/nulldrv/serial.cpp

@@ -1,41 +0,0 @@
-#include "io.h"
-#include "serial.h"
-
-
-serial_port::serial_port() :
-	m_port(0)
-{
-}
-
-serial_port::serial_port(uint16_t port) :
-	m_port(port)
-{
-	outb(port + 1, 0x00);  // Disable all interrupts
-	outb(port + 3, 0x80);  // Enable the Divisor Latch Access Bit
-	outb(port + 0, 0x01);  // Divisor low bit: 1 (115200 baud)
-	outb(port + 1, 0x00);  // Divisor high bit
-	outb(port + 3, 0x03);  // 8-N-1
-	outb(port + 2, 0xe7);  // Clear and enable FIFO, enable 64 byte, 56 byte trigger
-	outb(port + 4, 0x0b);  // Data terminal ready, Request to send, aux output 2 (irq enable)
-	outb(port + 1, 0x03);  // Enable interrupts
-}
-
-bool serial_port::read_ready() { return (inb(m_port + 5) & 0x01) != 0; }
-
-bool serial_port::write_ready() {
-	uint8_t lsr = inb(m_port + 5);
-	return (lsr & 0x20) != 0;
-}
-
-char
-serial_port::read() {
-	while (!read_ready());
-	return inb(m_port);
-}
-
-void
-serial_port::write(char c) {
-	while (!write_ready());
-	outb(m_port, c);
-}
-

src/drivers/nulldrv/serial.h

@@ -1,26 +0,0 @@
-#pragma once
-/// \file serial.h
-/// Declarations related to serial ports.
-#include <stdint.h>
-
-#define serial_port nulldrv_serial_port
-
-class serial_port
-{
-public:
-	/// Constructor.
-	/// \arg port   The IO address of the serial port
-	serial_port(uint16_t port);
-
-	serial_port();
-
-	void write(char c);
-	char read();
-
-private:
-	uint16_t m_port;
-
-	bool read_ready();
-	bool write_ready();
-};
-

src/include/efi/efi.h

@@ -0,0 +1,62 @@
+/*++
+
+Copyright (c) 1998  Intel Corporation
+
+Module Name:
+
+    efi.h
+
+Abstract:
+
+    Public EFI header files
+
+
+
+Revision History
+
+--*/
+
+
+// Add a predefined macro to detect usage of the library
+#ifndef _GNU_EFI
+#define _GNU_EFI
+#endif
+
+//
+// Build flags on input
+//  EFI32
+//  EFI_DEBUG               - Enable debugging code
+//  EFI_NT_EMULATOR         - Building for running under NT
+//
+
+
+#ifndef _EFI_INCLUDE_
+#define _EFI_INCLUDE_
+
+#define EFI_FIRMWARE_VENDOR         L"INTEL"
+#define EFI_FIRMWARE_MAJOR_REVISION 12
+#define EFI_FIRMWARE_MINOR_REVISION 33
+#define EFI_FIRMWARE_REVISION ((EFI_FIRMWARE_MAJOR_REVISION <<16) | (EFI_FIRMWARE_MINOR_REVISION))
+
+#include <efi/efibind.h>
+#include <efi/eficompiler.h>
+#include <efi/efidef.h>
+#include <efi/efidevp.h>
+#include <efi/efipciio.h>
+#include <efi/efiprot.h>
+#include <efi/eficon.h>
+#include <efi/efiser.h>
+#include <efi/efi_nii.h>
+#include <efi/efipxebc.h>
+#include <efi/efinet.h>
+#include <efi/efiapi.h>
+#include <efi/efifs.h>
+#include <efi/efierr.h>
+#include <efi/efiui.h>
+#include <efi/efiip.h>
+#include <efi/efiudp.h>
+#include <efi/efitcp.h>
+#include <efi/efipoint.h>
+#include <efi/efisetjmp.h>
+
+#endif

src/include/efi/efi_nii.h

@@ -0,0 +1,78 @@
+#ifndef _EFI_NII_H
+#define _EFI_NII_H
+
+/*++
+Copyright (c) 2000  Intel Corporation
+
+Module name:
+    efi_nii.h
+
+Abstract:
+
+Revision history:
+    2000-Feb-18 M(f)J   GUID updated.
+                Structure order changed for machine word alignment.
+                Added StringId[4] to structure.
+
+    2000-Feb-14 M(f)J   Genesis.
+--*/
+
+#define EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_GUID \
+    { 0xE18541CD, 0xF755, 0x4f73, {0x92, 0x8D, 0x64, 0x3C, 0x8A, 0x79, 0xB2, 0x29} }
+
+#define EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_REVISION  0x00010000
+#define EFI_NETWORK_INTERFACE_IDENTIFIER_INTERFACE_REVISION EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_REVISION
+
+typedef enum {
+    EfiNetworkInterfaceUndi = 1
+} EFI_NETWORK_INTERFACE_TYPE;
+
+typedef struct _EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL {
+
+    UINT64 Revision;
+    // Revision of the network interface identifier protocol interface.
+
+    UINT64 ID;
+    // Address of the first byte of the identifying structure for this
+    // network interface.  This is set to zero if there is no structure.
+    //
+    // For PXE/UNDI this is the first byte of the !PXE structure.
+
+    UINT64 ImageAddr;
+    // Address of the UNrelocated driver/ROM image.  This is set
+    // to zero if there is no driver/ROM image.
+    //
+    // For 16-bit UNDI, this is the first byte of the option ROM in
+    // upper memory.
+    //
+    // For 32/64-bit S/W UNDI, this is the first byte of the EFI ROM
+    // image.
+    //
+    // For H/W UNDI, this is set to zero.
+
+    UINT32 ImageSize;
+    // Size of the UNrelocated driver/ROM image of this network interface.
+    // This is set to zero if there is no driver/ROM image.
+
+    CHAR8 StringId[4];
+    // 4 char ASCII string to go in class identifier (option 60) in DHCP
+    // and Boot Server discover packets.
+    // For EfiNetworkInterfaceUndi this field is "UNDI".
+    // For EfiNetworkInterfaceSnp this field is "SNPN".
+
+    UINT8 Type;
+    UINT8 MajorVer;
+    UINT8 MinorVer;
+    // Information to be placed into the PXE DHCP and Discover packets.
+    // This is the network interface type and version number that will
+    // be placed into DHCP option 94 (client network interface identifier).
+    BOOLEAN Ipv6Supported;
+    UINT8   IfNum;	// interface number to be used with pxeid structure
+} EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL, EFI_NETWORK_INTERFACE_IDENTIFIER_INTERFACE;
+
+// Note: Because it conflicted with the EDK2 struct name, the
+// 'EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL' GUID definition,
+// from older versions of gnu-efi, is now obsoleted.
+// Use 'EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_GUID' instead.
+
+#endif // _EFI_NII_H

src/include/efi/efiapi.h

@@ -0,0 +1,967 @@
+#ifndef _EFI_API_H
+#define _EFI_API_H
+
+/*++
+
+Copyright (c) 1998  Intel Corporation
+
+Module Name:
+
+    efiapi.h
+
+Abstract:
+
+    Global EFI runtime & boot service interfaces
+
+
+
+
+Revision History
+
+--*/
+
+//
+// EFI Specification Revision
+//
+
+#define EFI_SPECIFICATION_MAJOR_REVISION 1
+#define EFI_SPECIFICATION_MINOR_REVISION 02
+
+//
+// Declare forward referenced data structures
+//
+
+INTERFACE_DECL(_EFI_SYSTEM_TABLE);
+
+//
+// EFI Memory
+//
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_ALLOCATE_PAGES) (
+    IN EFI_ALLOCATE_TYPE            Type,
+    IN EFI_MEMORY_TYPE              MemoryType,
+    IN UINTN                        NoPages,
+    OUT EFI_PHYSICAL_ADDRESS        *Memory
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_FREE_PAGES) (
+    IN EFI_PHYSICAL_ADDRESS         Memory,
+    IN UINTN                        NoPages
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_GET_MEMORY_MAP) (
+    IN OUT UINTN                    *MemoryMapSize,
+    IN OUT EFI_MEMORY_DESCRIPTOR    *MemoryMap,
+    OUT UINTN                       *MapKey,
+    OUT UINTN                       *DescriptorSize,
+    OUT UINT32                      *DescriptorVersion
+    );
+
+#define NextMemoryDescriptor(Ptr,Size)  ((EFI_MEMORY_DESCRIPTOR *) (((UINT8 *) Ptr) + Size))
+
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_ALLOCATE_POOL) (
+    IN EFI_MEMORY_TYPE              PoolType,
+    IN UINTN                        Size,
+    OUT VOID                        **Buffer
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_FREE_POOL) (
+    IN VOID                         *Buffer
+    );
+
+typedef 
+EFI_STATUS
+(EFIAPI *EFI_SET_VIRTUAL_ADDRESS_MAP) (
+    IN UINTN                        MemoryMapSize,
+    IN UINTN                        DescriptorSize,
+    IN UINT32                       DescriptorVersion,
+    IN EFI_MEMORY_DESCRIPTOR        *VirtualMap
+    );
+
+
+#define EFI_OPTIONAL_PTR            0x00000001
+#define EFI_INTERNAL_FNC            0x00000002      // Pointer to internal runtime fnc
+#define EFI_INTERNAL_PTR            0x00000004      // Pointer to internal runtime data
+
+
+typedef 
+EFI_STATUS
+(EFIAPI *EFI_CONVERT_POINTER) (
+    IN UINTN                        DebugDisposition,
+    IN OUT VOID                     **Address
+    );
+
+
+//
+// EFI Events
+//
+
+#define EVT_TIMER                           0x80000000
+#define EVT_RUNTIME                         0x40000000
+#define EVT_RUNTIME_CONTEXT                 0x20000000
+
+#define EVT_NOTIFY_WAIT                     0x00000100
+#define EVT_NOTIFY_SIGNAL                   0x00000200
+
+#define EVT_SIGNAL_EXIT_BOOT_SERVICES       0x00000201
+#define EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE   0x60000202
+
+#define EVT_EFI_SIGNAL_MASK                 0x000000FF
+#define EVT_EFI_SIGNAL_MAX                  4
+
+#define EFI_EVENT_TIMER                         EVT_TIMER
+#define EFI_EVENT_RUNTIME                       EVT_RUNTIME
+#define EFI_EVENT_RUNTIME_CONTEXT               EVT_RUNTIME_CONTEXT
+#define EFI_EVENT_NOTIFY_WAIT                   EVT_NOTIFY_WAIT
+#define EFI_EVENT_NOTIFY_SIGNAL                 EVT_NOTIFY_SIGNAL
+#define EFI_EVENT_SIGNAL_EXIT_BOOT_SERVICES     EVT_SIGNAL_EXIT_BOOT_SERVICES
+#define EFI_EVENT_SIGNAL_VIRTUAL_ADDRESS_CHANGE EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE
+#define EFI_EVENT_EFI_SIGNAL_MASK               EVT_EFI_SIGNAL_MASK
+#define EFI_EVENT_EFI_SIGNAL_MAX                EVT_EFI_SIGNAL_MAX
+
+
+typedef
+VOID
+(EFIAPI *EFI_EVENT_NOTIFY) (
+    IN EFI_EVENT                Event,
+    IN VOID                     *Context
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_CREATE_EVENT) (
+    IN UINT32                       Type,
+    IN EFI_TPL                      NotifyTpl,
+    IN EFI_EVENT_NOTIFY             NotifyFunction,
+    IN VOID                         *NotifyContext,
+    OUT EFI_EVENT                   *Event
+    );
+
+typedef enum {
+    TimerCancel,
+    TimerPeriodic,
+    TimerRelative,
+    TimerTypeMax
+} EFI_TIMER_DELAY;
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_SET_TIMER) (
+    IN EFI_EVENT                Event,
+    IN EFI_TIMER_DELAY          Type,
+    IN UINT64                   TriggerTime
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_SIGNAL_EVENT) (
+    IN EFI_EVENT                Event
+    );
+
+typedef 
+EFI_STATUS
+(EFIAPI *EFI_WAIT_FOR_EVENT) (
+    IN UINTN                    NumberOfEvents,
+    IN EFI_EVENT                *Event,
+    OUT UINTN                   *Index
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_CLOSE_EVENT) (
+    IN EFI_EVENT                Event
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_CHECK_EVENT) (
+    IN EFI_EVENT                Event
+    );
+
+//
+// Task priority level
+//
+
+#define TPL_APPLICATION       4
+#define TPL_CALLBACK          8
+#define TPL_NOTIFY           16
+#define TPL_HIGH_LEVEL       31
+#define EFI_TPL_APPLICATION  TPL_APPLICATION
+#define EFI_TPL_CALLBACK     TPL_CALLBACK
+#define EFI_TPL_NOTIFY       TPL_NOTIFY
+#define EFI_TPL_HIGH_LEVEL   TPL_HIGH_LEVEL
+typedef
+EFI_TPL
+(EFIAPI *EFI_RAISE_TPL) (
+    IN EFI_TPL      NewTpl
+    );
+
+typedef
+VOID
+(EFIAPI *EFI_RESTORE_TPL) (
+    IN EFI_TPL      OldTpl
+    );
+
+
+//
+// EFI platform varibles
+//
+
+#define EFI_GLOBAL_VARIABLE     \
+    { 0x8BE4DF61, 0x93CA, 0x11d2, {0xAA, 0x0D, 0x00, 0xE0, 0x98, 0x03, 0x2B, 0x8C} }
+
+// Variable attributes
+#define EFI_VARIABLE_NON_VOLATILE                          0x00000001
+#define EFI_VARIABLE_BOOTSERVICE_ACCESS                    0x00000002
+#define EFI_VARIABLE_RUNTIME_ACCESS                        0x00000004
+#define EFI_VARIABLE_HARDWARE_ERROR_RECORD                 0x00000008
+#define EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS            0x00000010
+#define EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS 0x00000020
+#define EFI_VARIABLE_APPEND_WRITE                          0x00000040
+
+// Variable size limitation
+#define EFI_MAXIMUM_VARIABLE_SIZE           1024
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_GET_VARIABLE) (
+    IN CHAR16                       *VariableName,
+    IN EFI_GUID                     *VendorGuid,
+    OUT UINT32                      *Attributes OPTIONAL,
+    IN OUT UINTN                    *DataSize,
+    OUT VOID                        *Data
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_GET_NEXT_VARIABLE_NAME) (
+    IN OUT UINTN                    *VariableNameSize,
+    IN OUT CHAR16                   *VariableName,
+    IN OUT EFI_GUID                 *VendorGuid
+    );
+
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_SET_VARIABLE) (
+    IN CHAR16                       *VariableName,
+    IN EFI_GUID                     *VendorGuid,
+    IN UINT32                       Attributes,
+    IN UINTN                        DataSize,
+    IN VOID                         *Data
+    );
+
+
+//
+// EFI Time
+//
+
+typedef struct {
+        UINT32                      Resolution;     // 1e-6 parts per million
+        UINT32                      Accuracy;       // hertz
+        BOOLEAN                     SetsToZero;     // Set clears sub-second time
+} EFI_TIME_CAPABILITIES;
+
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_GET_TIME) (
+    OUT EFI_TIME                    *Time,
+    OUT EFI_TIME_CAPABILITIES       *Capabilities OPTIONAL
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_SET_TIME) (
+    IN EFI_TIME                     *Time
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_GET_WAKEUP_TIME) (
+    OUT BOOLEAN                     *Enabled,
+    OUT BOOLEAN                     *Pending,
+    OUT EFI_TIME                    *Time
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_SET_WAKEUP_TIME) (
+    IN BOOLEAN                      Enable,
+    IN EFI_TIME                     *Time OPTIONAL
+    );
+
+
+//
+// Image functions
+//
+
+
+// PE32+ Subsystem type for EFI images
+
+#if !defined(IMAGE_SUBSYSTEM_EFI_APPLICATION)
+#define IMAGE_SUBSYSTEM_EFI_APPLICATION             10
+#define IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER     11
+#define IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER          12
+#endif
+
+// PE32+ Machine type for EFI images
+
+#if !defined(EFI_IMAGE_MACHINE_IA32)
+#define EFI_IMAGE_MACHINE_IA32      0x014c
+#endif
+
+#if !defined(EFI_IMAGE_MACHINE_IA64)
+#define EFI_IMAGE_MACHINE_IA64      0x0200
+#endif
+
+#if !defined(EFI_IMAGE_MACHINE_EBC)
+#define EFI_IMAGE_MACHINE_EBC      0x0EBC
+#endif
+
+#if !defined(EFI_IMAGE_MACHINE_X64)
+#define EFI_IMAGE_MACHINE_X64       0x8664
+#endif
+
+#if !defined(EFI_IMAGE_MACHINE_ARMTHUMB_MIXED)
+#define EFI_IMAGE_MACHINE_ARMTHUMB_MIXED 0x01C2
+#endif
+
+#if !defined(EFI_IMAGE_MACHINE_AARCH64)
+#define EFI_IMAGE_MACHINE_AARCH64   0xAA64
+#endif
+
+// Image Entry prototype
+
+typedef 
+EFI_STATUS
+(EFIAPI *EFI_IMAGE_ENTRY_POINT) (
+    IN EFI_HANDLE                   ImageHandle,
+    IN struct _EFI_SYSTEM_TABLE     *SystemTable
+    );
+
+typedef 
+EFI_STATUS
+(EFIAPI *EFI_IMAGE_LOAD) (
+    IN BOOLEAN                      BootPolicy,
+    IN EFI_HANDLE                   ParentImageHandle,
+    IN EFI_DEVICE_PATH              *FilePath,
+    IN VOID                         *SourceBuffer   OPTIONAL,
+    IN UINTN                        SourceSize,
+    OUT EFI_HANDLE                  *ImageHandle
+    );
+
+typedef 
+EFI_STATUS
+(EFIAPI *EFI_IMAGE_START) (
+    IN EFI_HANDLE                   ImageHandle,
+    OUT UINTN                       *ExitDataSize,
+    OUT CHAR16                      **ExitData  OPTIONAL
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_EXIT) (
+    IN EFI_HANDLE                   ImageHandle,
+    IN EFI_STATUS                   ExitStatus,
+    IN UINTN                        ExitDataSize,
+    IN CHAR16                       *ExitData OPTIONAL
+    );
+
+
+// Image handle
+/*#define LOADED_IMAGE_PROTOCOL      \
+    { 0x5B1B31A1, 0x9562, 0x11d2, {0x8E, 0x3F, 0x00, 0xA0, 0xC9, 0x69, 0x72, 0x3B} }
+
+#define EFI_IMAGE_INFORMATION_REVISION      0x1000
+typedef struct {
+    UINT32                          Revision;
+    EFI_HANDLE                      ParentHandle;
+    struct _EFI_SYSTEM_TABLE        *SystemTable;
+
+    // Source location of image
+    EFI_HANDLE                      DeviceHandle;
+    EFI_DEVICE_PATH                 *FilePath;
+    VOID                            *Reserved;
+
+    // Images load options
+    UINT32                          LoadOptionsSize;
+    VOID                            *LoadOptions;
+
+    // Location of where image was loaded
+    VOID                            *ImageBase;
+    UINT64                          ImageSize;
+    EFI_MEMORY_TYPE                 ImageCodeType;
+    EFI_MEMORY_TYPE                 ImageDataType;
+
+    // If the driver image supports a dynamic unload request
+    EFI_IMAGE_UNLOAD                Unload;
+
+} EFI_LOADED_IMAGE;*/
+
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_EXIT_BOOT_SERVICES) (
+    IN EFI_HANDLE                   ImageHandle,
+    IN UINTN                        MapKey
+    );
+
+//
+// Misc
+//
+
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_STALL) (
+    IN UINTN                    Microseconds
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_SET_WATCHDOG_TIMER) (
+    IN UINTN                    Timeout,
+    IN UINT64                   WatchdogCode,
+    IN UINTN                    DataSize,
+    IN CHAR16                   *WatchdogData OPTIONAL
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_CONNECT_CONTROLLER) (
+    IN EFI_HANDLE               ControllerHandle,
+    IN EFI_HANDLE               *DriverImageHandle OPTIONAL,
+    IN EFI_DEVICE_PATH          *RemainingDevicePath OPTIONAL,
+    IN BOOLEAN                  Recursive
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_DISCONNECT_CONTROLLER) (
+    IN EFI_HANDLE               ControllerHandle,
+    IN EFI_HANDLE               DriverImageHandle OPTIONAL,
+    IN EFI_HANDLE               ChildHandle OPTIONAL
+    );
+
+#define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL  0x00000001
+#define EFI_OPEN_PROTOCOL_GET_PROTOCOL        0x00000002
+#define EFI_OPEN_PROTOCOL_TEST_PROTOCOL       0x00000004
+#define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008
+#define EFI_OPEN_PROTOCOL_BY_DRIVER           0x00000010
+#define EFI_OPEN_PROTOCOL_EXCLUSIVE           0x00000020
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_OPEN_PROTOCOL) (
+    IN EFI_HANDLE               Handle,
+    IN EFI_GUID                 *Protocol,
+    OUT VOID                    **Interface OPTIONAL,
+    IN EFI_HANDLE               AgentHandle,
+    IN EFI_HANDLE               ControllerHandle,
+    IN UINT32                   Attributes
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_CLOSE_PROTOCOL) (
+    IN EFI_HANDLE               Handle,
+    IN EFI_GUID                 *Protocol,
+    IN EFI_HANDLE               AgentHandle,
+    IN EFI_HANDLE               ControllerHandle
+    );
+
+typedef struct {
+    EFI_HANDLE                  AgentHandle;
+    EFI_HANDLE                  ControllerHandle;
+    UINT32                      Attributes;
+    UINT32                      OpenCount;
+} EFI_OPEN_PROTOCOL_INFORMATION_ENTRY;
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_OPEN_PROTOCOL_INFORMATION) (
+    IN EFI_HANDLE               Handle,
+    IN EFI_GUID                 *Protocol,
+    OUT EFI_OPEN_PROTOCOL_INFORMATION_ENTRY **EntryBuffer,
+    OUT UINTN                   *EntryCount
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_PROTOCOLS_PER_HANDLE) (
+    IN EFI_HANDLE               Handle,
+    OUT EFI_GUID                ***ProtocolBuffer,
+    OUT UINTN                   *ProtocolBufferCount
+    );
+
+typedef enum {
+    AllHandles,
+    ByRegisterNotify,
+    ByProtocol
+} EFI_LOCATE_SEARCH_TYPE;
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_LOCATE_HANDLE_BUFFER) (
+    IN EFI_LOCATE_SEARCH_TYPE   SearchType,
+    IN EFI_GUID                 *Protocol OPTIONAL,
+    IN VOID                     *SearchKey OPTIONAL,
+    IN OUT UINTN                *NoHandles,
+    OUT EFI_HANDLE              **Buffer
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_LOCATE_PROTOCOL) (
+    IN EFI_GUID                 *Protocol,
+    IN VOID                     *Registration OPTIONAL,
+    OUT VOID                    **Interface
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES) (
+    IN OUT EFI_HANDLE           *Handle,
+    ...
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES) (
+    IN OUT EFI_HANDLE           Handle,
+    ...
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_CALCULATE_CRC32) (
+    IN VOID                     *Data,
+    IN UINTN                    DataSize,
+    OUT UINT32                  *Crc32
+    );
+
+typedef
+VOID
+(EFIAPI *EFI_COPY_MEM) (
+    IN VOID                     *Destination,
+    IN VOID                     *Source,
+    IN UINTN                    Length
+    );
+
+typedef
+VOID
+(EFIAPI *EFI_SET_MEM) (
+    IN VOID                     *Buffer,
+    IN UINTN                    Size,
+    IN UINT8                    Value
+    );
+
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_CREATE_EVENT_EX) (
+    IN UINT32                   Type,
+    IN EFI_TPL                  NotifyTpl,
+    IN EFI_EVENT_NOTIFY         NotifyFunction OPTIONAL,
+    IN const VOID               *NotifyContext OPTIONAL,
+    IN const EFI_GUID           EventGroup OPTIONAL,
+    OUT EFI_EVENT               *Event
+    );
+
+typedef enum {
+    EfiResetCold,
+    EfiResetWarm,
+    EfiResetShutdown
+} EFI_RESET_TYPE;
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_RESET_SYSTEM) (
+    IN EFI_RESET_TYPE           ResetType,
+    IN EFI_STATUS               ResetStatus,
+    IN UINTN                    DataSize,
+    IN CHAR16                   *ResetData OPTIONAL
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_GET_NEXT_MONOTONIC_COUNT) (
+    OUT UINT64                  *Count
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_GET_NEXT_HIGH_MONO_COUNT) (
+    OUT UINT32                  *HighCount
+    );
+
+typedef struct {
+    UINT64                      Length;
+    union {
+        EFI_PHYSICAL_ADDRESS    DataBlock;
+       EFI_PHYSICAL_ADDRESS    ContinuationPointer;
+    } Union;
+} EFI_CAPSULE_BLOCK_DESCRIPTOR;
+
+typedef struct {
+    EFI_GUID                    CapsuleGuid;
+    UINT32                      HeaderSize;
+    UINT32                      Flags;
+    UINT32                      CapsuleImageSize;
+} EFI_CAPSULE_HEADER;
+
+#define CAPSULE_FLAGS_PERSIST_ACROSS_RESET    0x00010000
+#define CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE   0x00020000
+#define CAPSULE_FLAGS_INITIATE_RESET          0x00040000
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_UPDATE_CAPSULE) (
+    IN EFI_CAPSULE_HEADER       **CapsuleHeaderArray,
+    IN UINTN                    CapsuleCount,
+    IN EFI_PHYSICAL_ADDRESS     ScatterGatherList OPTIONAL
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_QUERY_CAPSULE_CAPABILITIES) (
+    IN  EFI_CAPSULE_HEADER       **CapsuleHeaderArray,
+    IN  UINTN                    CapsuleCount,
+    OUT UINT64                   *MaximumCapsuleSize,
+    OUT EFI_RESET_TYPE           *ResetType
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_QUERY_VARIABLE_INFO) (
+    IN  UINT32                  Attributes,
+    OUT UINT64                  *MaximumVariableStorageSize,
+    OUT UINT64                  *RemainingVariableStorageSize,
+    OUT UINT64                  *MaximumVariableSize
+    );
+
+//
+// Protocol handler functions
+//
+
+typedef enum {
+    EFI_NATIVE_INTERFACE,
+    EFI_PCODE_INTERFACE
+} EFI_INTERFACE_TYPE;
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_INSTALL_PROTOCOL_INTERFACE) (
+    IN OUT EFI_HANDLE           *Handle,
+    IN EFI_GUID                 *Protocol,
+    IN EFI_INTERFACE_TYPE       InterfaceType,
+    IN VOID                     *Interface
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_REINSTALL_PROTOCOL_INTERFACE) (
+    IN EFI_HANDLE               Handle,
+    IN EFI_GUID                 *Protocol,
+    IN VOID                     *OldInterface,
+    IN VOID                     *NewInterface
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_UNINSTALL_PROTOCOL_INTERFACE) (
+    IN EFI_HANDLE               Handle,
+    IN EFI_GUID                 *Protocol,
+    IN VOID                     *Interface
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_HANDLE_PROTOCOL) (
+    IN EFI_HANDLE               Handle,
+    IN EFI_GUID                 *Protocol,
+    OUT VOID                    **Interface
+    );
+
+typedef
+EFI_STATUS 
+(EFIAPI *EFI_REGISTER_PROTOCOL_NOTIFY) (
+    IN EFI_GUID                 *Protocol,
+    IN EFI_EVENT                Event,
+    OUT VOID                    **Registration
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_LOCATE_HANDLE) (
+    IN EFI_LOCATE_SEARCH_TYPE   SearchType,
+    IN EFI_GUID                 *Protocol OPTIONAL,
+    IN VOID                     *SearchKey OPTIONAL,
+    IN OUT UINTN                *BufferSize,
+    OUT EFI_HANDLE              *Buffer
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_LOCATE_DEVICE_PATH) (
+    IN EFI_GUID                 *Protocol,
+    IN OUT EFI_DEVICE_PATH      **DevicePath,
+    OUT EFI_HANDLE              *Device
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_INSTALL_CONFIGURATION_TABLE) (
+    IN EFI_GUID                 *Guid,
+    IN VOID                     *Table
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_RESERVED_SERVICE) (
+    );
+
+//
+// Standard EFI table header
+//
+
+typedef struct _EFI_TABLE_HEADER {
+    UINT64                      Signature;
+    UINT32                      Revision;
+    UINT32                      HeaderSize;
+    UINT32                      CRC32;
+    UINT32                      Reserved;
+} EFI_TABLE_HEADER;
+
+
+//
+// EFI Runtime Serivces Table
+//
+
+#define EFI_RUNTIME_SERVICES_SIGNATURE  0x56524553544e5552
+#define EFI_RUNTIME_SERVICES_REVISION   (EFI_SPECIFICATION_MAJOR_REVISION<<16) | (EFI_SPECIFICATION_MINOR_REVISION)
+
+typedef struct  {
+    EFI_TABLE_HEADER                Hdr;
+
+    //
+    // Time services
+    //
+
+    EFI_GET_TIME                    GetTime;
+    EFI_SET_TIME                    SetTime;
+    EFI_GET_WAKEUP_TIME             GetWakeupTime;
+    EFI_SET_WAKEUP_TIME             SetWakeupTime;
+
+    //
+    // Virtual memory services
+    //
+
+    EFI_SET_VIRTUAL_ADDRESS_MAP     SetVirtualAddressMap;
+    EFI_CONVERT_POINTER             ConvertPointer;
+
+    //
+    // Variable serviers
+    //
+
+    EFI_GET_VARIABLE                GetVariable;
+    EFI_GET_NEXT_VARIABLE_NAME      GetNextVariableName;
+    EFI_SET_VARIABLE                SetVariable;
+
+    //
+    // Misc
+    //
+
+    EFI_GET_NEXT_HIGH_MONO_COUNT    GetNextHighMonotonicCount;
+    EFI_RESET_SYSTEM                ResetSystem;
+
+    EFI_UPDATE_CAPSULE              UpdateCapsule;
+    EFI_QUERY_CAPSULE_CAPABILITIES  QueryCapsuleCapabilities;
+    EFI_QUERY_VARIABLE_INFO         QueryVariableInfo;
+} EFI_RUNTIME_SERVICES;
+
+
+//
+// EFI Boot Services Table
+//
+
+#define EFI_BOOT_SERVICES_SIGNATURE     0x56524553544f4f42
+#define EFI_BOOT_SERVICES_REVISION      (EFI_SPECIFICATION_MAJOR_REVISION<<16) | (EFI_SPECIFICATION_MINOR_REVISION)
+
+typedef struct _EFI_BOOT_SERVICES {
+
+    EFI_TABLE_HEADER                Hdr;
+
+    //
+    // Task priority functions
+    //
+
+    EFI_RAISE_TPL                   RaiseTPL;
+    EFI_RESTORE_TPL                 RestoreTPL;
+
+    //
+    // Memory functions
+    //
+
+    EFI_ALLOCATE_PAGES              AllocatePages;
+    EFI_FREE_PAGES                  FreePages;
+    EFI_GET_MEMORY_MAP              GetMemoryMap;
+    EFI_ALLOCATE_POOL               AllocatePool;
+    EFI_FREE_POOL                   FreePool;
+
+    //
+    // Event & timer functions
+    //
+
+    EFI_CREATE_EVENT                CreateEvent;
+    EFI_SET_TIMER                   SetTimer;
+    EFI_WAIT_FOR_EVENT              WaitForEvent;
+    EFI_SIGNAL_EVENT                SignalEvent;
+    EFI_CLOSE_EVENT                 CloseEvent;
+    EFI_CHECK_EVENT                 CheckEvent;
+
+    //
+    // Protocol handler functions
+    //
+
+    EFI_INSTALL_PROTOCOL_INTERFACE  InstallProtocolInterface;
+    EFI_REINSTALL_PROTOCOL_INTERFACE ReinstallProtocolInterface;
+    EFI_UNINSTALL_PROTOCOL_INTERFACE UninstallProtocolInterface;
+    EFI_HANDLE_PROTOCOL             HandleProtocol;
+    EFI_HANDLE_PROTOCOL             PCHandleProtocol;
+    EFI_REGISTER_PROTOCOL_NOTIFY    RegisterProtocolNotify;
+    EFI_LOCATE_HANDLE               LocateHandle;
+    EFI_LOCATE_DEVICE_PATH          LocateDevicePath;
+    EFI_INSTALL_CONFIGURATION_TABLE InstallConfigurationTable;
+
+    //
+    // Image functions
+    //
+
+    EFI_IMAGE_LOAD                  LoadImage;
+    EFI_IMAGE_START                 StartImage;
+    EFI_EXIT                        Exit;
+    EFI_IMAGE_UNLOAD                UnloadImage;
+    EFI_EXIT_BOOT_SERVICES          ExitBootServices;
+
+    //
+    // Misc functions
+    //
+
+    EFI_GET_NEXT_MONOTONIC_COUNT    GetNextMonotonicCount;
+    EFI_STALL                       Stall;
+    EFI_SET_WATCHDOG_TIMER          SetWatchdogTimer;
+
+    //
+    // DriverSupport Services
+    //
+
+    EFI_CONNECT_CONTROLLER          ConnectController;
+    EFI_DISCONNECT_CONTROLLER       DisconnectController;
+
+    //
+    // Open and Close Protocol Services
+    //
+    EFI_OPEN_PROTOCOL               OpenProtocol;
+    EFI_CLOSE_PROTOCOL              CloseProtocol;
+    EFI_OPEN_PROTOCOL_INFORMATION   OpenProtocolInformation;
+
+    //
+    // Library Services
+    //
+    EFI_PROTOCOLS_PER_HANDLE        ProtocolsPerHandle;
+    EFI_LOCATE_HANDLE_BUFFER        LocateHandleBuffer;
+    EFI_LOCATE_PROTOCOL             LocateProtocol;
+    EFI_INSTALL_MULTIPLE_PROTOCOL_INTERFACES InstallMultipleProtocolInterfaces;
+    EFI_UNINSTALL_MULTIPLE_PROTOCOL_INTERFACES UninstallMultipleProtocolInterfaces;
+
+    //
+    // 32-bit CRC Services
+    //
+    EFI_CALCULATE_CRC32             CalculateCrc32;
+
+    //
+    // Misc Services
+    //
+    EFI_COPY_MEM                    CopyMem;
+    EFI_SET_MEM                     SetMem;
+    EFI_CREATE_EVENT_EX             CreateEventEx;
+} EFI_BOOT_SERVICES;
+
+
+//
+// EFI Configuration Table and GUID definitions
+//
+
+#define MPS_TABLE_GUID    \
+    { 0xeb9d2d2f, 0x2d88, 0x11d3, {0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d} }
+
+#define ACPI_TABLE_GUID    \
+    { 0xeb9d2d30, 0x2d88, 0x11d3, {0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d} }
+
+#define ACPI_20_TABLE_GUID  \
+    { 0x8868e871, 0xe4f1, 0x11d3, {0xbc, 0x22, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81} }
+
+#define SMBIOS_TABLE_GUID    \
+    { 0xeb9d2d31, 0x2d88, 0x11d3, {0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d} }
+
+#define SMBIOS3_TABLE_GUID    \
+    { 0xf2fd1544, 0x9794, 0x4a2c, {0x99, 0x2e, 0xe5, 0xbb, 0xcf, 0x20, 0xe3, 0x94} }
+
+#define SAL_SYSTEM_TABLE_GUID    \
+    { 0xeb9d2d32, 0x2d88, 0x11d3, {0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d} }
+
+
+typedef struct _EFI_CONFIGURATION_TABLE {
+    EFI_GUID                VendorGuid;
+    VOID                    *VendorTable;
+} EFI_CONFIGURATION_TABLE;
+
+
+//
+// EFI System Table
+//
+
+
+
+
+#define EFI_SYSTEM_TABLE_SIGNATURE      0x5453595320494249
+#define EFI_SYSTEM_TABLE_REVISION      (EFI_SPECIFICATION_MAJOR_REVISION<<16) | (EFI_SPECIFICATION_MINOR_REVISION)
+
+typedef struct _EFI_SYSTEM_TABLE {
+    EFI_TABLE_HEADER                Hdr;
+
+    CHAR16                          *FirmwareVendor;
+    UINT32                          FirmwareRevision;
+
+    EFI_HANDLE                      ConsoleInHandle;
+    SIMPLE_INPUT_INTERFACE          *ConIn;
+
+    EFI_HANDLE                      ConsoleOutHandle;
+    SIMPLE_TEXT_OUTPUT_INTERFACE    *ConOut;
+
+    EFI_HANDLE                      StandardErrorHandle;
+    SIMPLE_TEXT_OUTPUT_INTERFACE    *StdErr;
+
+    EFI_RUNTIME_SERVICES            *RuntimeServices;
+    EFI_BOOT_SERVICES               *BootServices;
+
+    UINTN                           NumberOfTableEntries;
+    EFI_CONFIGURATION_TABLE         *ConfigurationTable;
+
+} EFI_SYSTEM_TABLE;
+
+#endif
+

src/include/efi/eficompiler.h

@@ -0,0 +1,30 @@
+/*++
+
+Copyright (c) 2016 Pete Batard <pete@akeo.ie>
+
+Module Name:
+
+    eficompiler.h
+
+Abstract:
+
+    Compiler specific adjustments
+
+--*/
+
+#ifdef _MSC_EXTENSIONS
+#define EFI_UNUSED
+#else
+#define EFI_UNUSED __attribute__((__unused__))
+#endif
+
+#ifdef _MSC_EXTENSIONS
+#define ALIGN(x) __declspec(align(x))
+#else
+#define ALIGN(x) __attribute__((__aligned__(x)))
+#endif
+
+/* Also add a catch-all on __attribute__() for MS compilers */
+#ifdef _MSC_EXTENSIONS
+#define __attribute__(x)
+#endif

src/include/efi/eficon.h

@@ -0,0 +1,306 @@
+#ifndef _EFI_CON_H
+#define _EFI_CON_H
+
+/*++
+
+Copyright (c) 1998  Intel Corporation
+
+Module Name:
+
+    eficon.h
+
+Abstract:
+
+    EFI console protocols
+
+
+
+Revision History
+
+--*/
+
+//
+// Text output protocol
+//
+
+#define EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID \
+    { 0x387477c2, 0x69c7, 0x11d2, {0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b} }
+#define SIMPLE_TEXT_OUTPUT_PROTOCOL EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID
+
+INTERFACE_DECL(_SIMPLE_TEXT_OUTPUT_INTERFACE);
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_TEXT_RESET) (
+    IN struct _SIMPLE_TEXT_OUTPUT_INTERFACE     *This,
+    IN BOOLEAN                      ExtendedVerification
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_TEXT_OUTPUT_STRING) (
+    IN struct _SIMPLE_TEXT_OUTPUT_INTERFACE     *This,
+    IN CHAR16                       *String
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_TEXT_TEST_STRING) (
+    IN struct _SIMPLE_TEXT_OUTPUT_INTERFACE     *This,
+    IN CHAR16                       *String
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_TEXT_QUERY_MODE) (
+    IN struct _SIMPLE_TEXT_OUTPUT_INTERFACE     *This,
+    IN UINTN                        ModeNumber,
+    OUT UINTN                       *Columns,
+    OUT UINTN                       *Rows
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_TEXT_SET_MODE) (
+    IN struct _SIMPLE_TEXT_OUTPUT_INTERFACE     *This,
+    IN UINTN                        ModeNumber
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_TEXT_SET_ATTRIBUTE) (
+    IN struct _SIMPLE_TEXT_OUTPUT_INTERFACE     *This,
+    IN UINTN                        Attribute
+    );
+
+#define EFI_BLACK   0x00
+#define EFI_BLUE    0x01
+#define EFI_GREEN   0x02
+#define EFI_CYAN            (EFI_BLUE | EFI_GREEN)
+#define EFI_RED     0x04
+#define EFI_MAGENTA         (EFI_BLUE | EFI_RED)
+#define EFI_BROWN           (EFI_GREEN | EFI_RED)
+#define EFI_LIGHTGRAY       (EFI_BLUE | EFI_GREEN | EFI_RED)
+#define EFI_BRIGHT  0x08
+#define EFI_DARKGRAY        (EFI_BRIGHT)
+#define EFI_LIGHTBLUE       (EFI_BLUE | EFI_BRIGHT)
+#define EFI_LIGHTGREEN      (EFI_GREEN | EFI_BRIGHT)
+#define EFI_LIGHTCYAN       (EFI_CYAN | EFI_BRIGHT)
+#define EFI_LIGHTRED        (EFI_RED | EFI_BRIGHT)
+#define EFI_LIGHTMAGENTA    (EFI_MAGENTA | EFI_BRIGHT)
+#define EFI_YELLOW          (EFI_BROWN | EFI_BRIGHT)
+#define EFI_WHITE           (EFI_BLUE | EFI_GREEN | EFI_RED | EFI_BRIGHT)
+
+#define EFI_TEXT_ATTR(f,b)  ((f) | ((b) << 4))
+
+#define EFI_BACKGROUND_BLACK        0x00
+#define EFI_BACKGROUND_BLUE         0x10
+#define EFI_BACKGROUND_GREEN        0x20
+#define EFI_BACKGROUND_CYAN         (EFI_BACKGROUND_BLUE | EFI_BACKGROUND_GREEN)
+#define EFI_BACKGROUND_RED          0x40
+#define EFI_BACKGROUND_MAGENTA      (EFI_BACKGROUND_BLUE | EFI_BACKGROUND_RED)
+#define EFI_BACKGROUND_BROWN        (EFI_BACKGROUND_GREEN | EFI_BACKGROUND_RED)
+#define EFI_BACKGROUND_LIGHTGRAY    (EFI_BACKGROUND_BLUE | EFI_BACKGROUND_GREEN | EFI_BACKGROUND_RED)
+
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_TEXT_CLEAR_SCREEN) (
+    IN struct _SIMPLE_TEXT_OUTPUT_INTERFACE     *This
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_TEXT_SET_CURSOR_POSITION) (
+    IN struct _SIMPLE_TEXT_OUTPUT_INTERFACE     *This,
+    IN UINTN                        Column,
+    IN UINTN                        Row
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_TEXT_ENABLE_CURSOR) (
+    IN struct _SIMPLE_TEXT_OUTPUT_INTERFACE     *This,
+    IN BOOLEAN                      Enable
+    );
+
+typedef struct {
+    INT32                           MaxMode;
+    // current settings
+    INT32                           Mode;
+    INT32                           Attribute;
+    INT32                           CursorColumn;
+    INT32                           CursorRow;
+    BOOLEAN                         CursorVisible;
+} SIMPLE_TEXT_OUTPUT_MODE;
+
+typedef struct _SIMPLE_TEXT_OUTPUT_INTERFACE {
+    EFI_TEXT_RESET                  Reset;
+
+    EFI_TEXT_OUTPUT_STRING          OutputString;
+    EFI_TEXT_TEST_STRING            TestString;
+
+    EFI_TEXT_QUERY_MODE             QueryMode;
+    EFI_TEXT_SET_MODE               SetMode;
+    EFI_TEXT_SET_ATTRIBUTE          SetAttribute;
+
+    EFI_TEXT_CLEAR_SCREEN           ClearScreen;
+    EFI_TEXT_SET_CURSOR_POSITION    SetCursorPosition;
+    EFI_TEXT_ENABLE_CURSOR          EnableCursor;
+
+    // Current mode
+    SIMPLE_TEXT_OUTPUT_MODE         *Mode;
+} SIMPLE_TEXT_OUTPUT_INTERFACE, EFI_SIMPLE_TEXT_OUT_PROTOCOL;
+
+//
+// Define's for required EFI Unicode Box Draw character
+//
+
+#define BOXDRAW_HORIZONTAL                  0x2500
+#define BOXDRAW_VERTICAL                    0x2502
+#define BOXDRAW_DOWN_RIGHT                  0x250c
+#define BOXDRAW_DOWN_LEFT                   0x2510
+#define BOXDRAW_UP_RIGHT                    0x2514
+#define BOXDRAW_UP_LEFT                     0x2518
+#define BOXDRAW_VERTICAL_RIGHT              0x251c
+#define BOXDRAW_VERTICAL_LEFT               0x2524
+#define BOXDRAW_DOWN_HORIZONTAL             0x252c
+#define BOXDRAW_UP_HORIZONTAL               0x2534
+#define BOXDRAW_VERTICAL_HORIZONTAL         0x253c
+
+#define BOXDRAW_DOUBLE_HORIZONTAL           0x2550
+#define BOXDRAW_DOUBLE_VERTICAL             0x2551
+#define BOXDRAW_DOWN_RIGHT_DOUBLE           0x2552
+#define BOXDRAW_DOWN_DOUBLE_RIGHT           0x2553
+#define BOXDRAW_DOUBLE_DOWN_RIGHT           0x2554
+
+#define BOXDRAW_DOWN_LEFT_DOUBLE            0x2555
+#define BOXDRAW_DOWN_DOUBLE_LEFT            0x2556
+#define BOXDRAW_DOUBLE_DOWN_LEFT            0x2557
+
+#define BOXDRAW_UP_RIGHT_DOUBLE             0x2558
+#define BOXDRAW_UP_DOUBLE_RIGHT             0x2559
+#define BOXDRAW_DOUBLE_UP_RIGHT             0x255a
+
+#define BOXDRAW_UP_LEFT_DOUBLE              0x255b
+#define BOXDRAW_UP_DOUBLE_LEFT              0x255c
+#define BOXDRAW_DOUBLE_UP_LEFT              0x255d
+
+#define BOXDRAW_VERTICAL_RIGHT_DOUBLE       0x255e
+#define BOXDRAW_VERTICAL_DOUBLE_RIGHT       0x255f
+#define BOXDRAW_DOUBLE_VERTICAL_RIGHT       0x2560
+
+#define BOXDRAW_VERTICAL_LEFT_DOUBLE        0x2561
+#define BOXDRAW_VERTICAL_DOUBLE_LEFT        0x2562
+#define BOXDRAW_DOUBLE_VERTICAL_LEFT        0x2563
+
+#define BOXDRAW_DOWN_HORIZONTAL_DOUBLE      0x2564
+#define BOXDRAW_DOWN_DOUBLE_HORIZONTAL      0x2565
+#define BOXDRAW_DOUBLE_DOWN_HORIZONTAL      0x2566
+
+#define BOXDRAW_UP_HORIZONTAL_DOUBLE        0x2567
+#define BOXDRAW_UP_DOUBLE_HORIZONTAL        0x2568
+#define BOXDRAW_DOUBLE_UP_HORIZONTAL        0x2569
+
+#define BOXDRAW_VERTICAL_HORIZONTAL_DOUBLE  0x256a
+#define BOXDRAW_VERTICAL_DOUBLE_HORIZONTAL  0x256b
+#define BOXDRAW_DOUBLE_VERTICAL_HORIZONTAL  0x256c
+
+//
+// EFI Required Block Elements Code Chart
+//
+
+#define BLOCKELEMENT_FULL_BLOCK             0x2588
+#define BLOCKELEMENT_LIGHT_SHADE            0x2591
+//
+// EFI Required Geometric Shapes Code Chart
+//
+
+#define GEOMETRICSHAPE_UP_TRIANGLE           0x25b2
+#define GEOMETRICSHAPE_RIGHT_TRIANGLE        0x25ba
+#define GEOMETRICSHAPE_DOWN_TRIANGLE         0x25bc
+#define GEOMETRICSHAPE_LEFT_TRIANGLE         0x25c4
+
+//
+// EFI Required Arrow shapes
+//
+
+#define ARROW_UP                            0x2191
+#define ARROW_DOWN                          0x2193
+
+//
+// Text input protocol
+//
+
+#define EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID \
+    { 0x387477c1, 0x69c7, 0x11d2, {0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b} }
+#define SIMPLE_TEXT_INPUT_PROTOCOL EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID
+
+INTERFACE_DECL(_SIMPLE_INPUT_INTERFACE);
+
+typedef struct {
+    UINT16                              ScanCode;
+    CHAR16                              UnicodeChar;
+} EFI_INPUT_KEY;
+
+//
+// Baseline unicode control chars
+//
+
+#define CHAR_NULL                       0x0000
+#define CHAR_BACKSPACE                  0x0008
+#define CHAR_TAB                        0x0009
+#define CHAR_LINEFEED                   0x000A
+#define CHAR_CARRIAGE_RETURN            0x000D
+
+//
+// Scan codes for base line keys
+//
+
+#define SCAN_NULL                       0x0000
+#define SCAN_UP                         0x0001
+#define SCAN_DOWN                       0x0002
+#define SCAN_RIGHT                      0x0003
+#define SCAN_LEFT                       0x0004
+#define SCAN_HOME                       0x0005
+#define SCAN_END                        0x0006
+#define SCAN_INSERT                     0x0007
+#define SCAN_DELETE                     0x0008
+#define SCAN_PAGE_UP                    0x0009
+#define SCAN_PAGE_DOWN                  0x000A
+#define SCAN_F1                         0x000B
+#define SCAN_F2                         0x000C
+#define SCAN_F3                         0x000D
+#define SCAN_F4                         0x000E
+#define SCAN_F5                         0x000F
+#define SCAN_F6                         0x0010
+#define SCAN_F7                         0x0011
+#define SCAN_F8                         0x0012
+#define SCAN_F9                         0x0013
+#define SCAN_F10                        0x0014
+#define SCAN_F11                        0x0015
+#define SCAN_F12                        0x0016
+#define SCAN_ESC                        0x0017
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_INPUT_RESET) (
+    IN struct _SIMPLE_INPUT_INTERFACE   *This,
+    IN BOOLEAN                          ExtendedVerification
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_INPUT_READ_KEY) (
+    IN struct _SIMPLE_INPUT_INTERFACE   *This,
+    OUT EFI_INPUT_KEY                   *Key
+    );
+
+typedef struct _SIMPLE_INPUT_INTERFACE {
+    EFI_INPUT_RESET                     Reset;
+    EFI_INPUT_READ_KEY                  ReadKeyStroke;
+    EFI_EVENT                           WaitForKey;
+} SIMPLE_INPUT_INTERFACE, EFI_SIMPLE_TEXT_IN_PROTOCOL;
+
+#endif
+

src/include/efi/efidebug.h

@@ -0,0 +1,620 @@
+#ifndef _EFI_DEBUG_H
+#define _EFI_DEBUG_H
+
+/*++
+
+Copyright (c) 1998  Intel Corporation
+
+Module Name:
+
+    efidebug.h
+
+Abstract:
+
+    EFI library debug functions
+
+
+
+Revision History
+
+--*/
+
+extern UINTN     EFIDebug;
+
+#if EFI_DEBUG
+
+    #define DBGASSERT(a)        DbgAssert(__FILE__, __LINE__, #a)
+    #define DEBUG(a)            DbgPrint a
+    
+#else
+
+    #define DBGASSERT(a)
+    #define DEBUG(a)
+    
+#endif
+
+#if EFI_DEBUG_CLEAR_MEMORY
+
+    #define DBGSETMEM(a,l)      SetMem(a,l,(CHAR8)BAD_POINTER)
+
+#else
+
+    #define DBGSETMEM(a,l)
+
+#endif
+
+#define D_INIT        0x00000001          // Initialization style messages
+#define D_WARN        0x00000002          // Warnings
+#define D_LOAD        0x00000004          // Load events
+#define D_FS          0x00000008          // EFI File system
+#define D_POOL        0x00000010          // Alloc & Free's
+#define D_PAGE        0x00000020          // Alloc & Free's
+#define D_INFO        0x00000040          // Verbose
+#define D_VAR         0x00000100          // Variable
+#define D_PARSE       0x00000200          // Command parsing
+#define D_BM          0x00000400          // Boot manager
+#define D_BLKIO       0x00001000          // BlkIo Driver
+#define D_BLKIO_ULTRA 0x00002000          // BlkIo Driver
+#define D_NET         0x00004000          // SNI Driver
+#define D_NET_ULTRA   0x00008000          // SNI Driver
+#define D_TXTIN       0x00010000          // Simple Input Driver
+#define D_TXTOUT      0x00020000          // Simple Text Output Driver
+#define D_ERROR_ATA	  0x00040000		  		// ATA error messages 
+#define D_ERROR       0x80000000          // Error
+
+#define D_RESERVED    0x7fffC880          // Bits not reserved above
+
+//
+// Current Debug level of the system, value of EFIDebug
+//
+//#define EFI_DBUG_MASK   (D_ERROR | D_WARN | D_LOAD | D_BLKIO | D_INIT)
+#define EFI_DBUG_MASK   (D_ERROR)
+
+//
+//
+//
+
+#if EFI_DEBUG
+
+    #define ASSERT(a)               if(!(a))       DBGASSERT(a)
+    #define ASSERT_LOCKED(l)        if(!(l)->Lock) DBGASSERT(l not locked)
+    #define ASSERT_STRUCT(p,t)      DBGASSERT(t not structure), p
+
+#else
+
+    #define ASSERT(a)               
+    #define ASSERT_LOCKED(l)        
+    #define ASSERT_STRUCT(p,t)      
+
+#endif
+
+//
+// Prototypes
+//
+
+INTN
+DbgAssert (
+    CONST CHAR8   *file,
+    INTN          lineno,
+    CONST CHAR8   *string
+    );
+
+INTN
+DbgPrint (
+    INTN          mask,
+    CONST CHAR8   *format,
+    ...
+    );
+
+//
+// Instruction Set Architectures definitions for debuggers
+//
+
+typedef INTN EFI_EXCEPTION_TYPE;
+
+// IA32
+#define EXCEPT_IA32_DIVIDE_ERROR    0
+#define EXCEPT_IA32_DEBUG           1
+#define EXCEPT_IA32_NMI             2
+#define EXCEPT_IA32_BREAKPOINT      3
+#define EXCEPT_IA32_OVERFLOW        4
+#define EXCEPT_IA32_BOUND           5
+#define EXCEPT_IA32_INVALID_OPCODE  6
+#define EXCEPT_IA32_DOUBLE_FAULT    8
+#define EXCEPT_IA32_INVALID_TSS     10
+#define EXCEPT_IA32_SEG_NOT_PRESENT 11
+#define EXCEPT_IA32_STACK_FAULT     12
+#define EXCEPT_IA32_GP_FAULT        13
+#define EXCEPT_IA32_PAGE_FAULT      14
+#define EXCEPT_IA32_FP_ERROR        16
+#define EXCEPT_IA32_ALIGNMENT_CHECK 17
+#define EXCEPT_IA32_MACHINE_CHECK   18
+#define EXCEPT_IA32_SIMD            19
+
+typedef struct {
+    UINT16  Fcw;
+    UINT16  Fsw;
+    UINT16  Ftw;
+    UINT16  Opcode;
+    UINT32  Eip;
+    UINT16  Cs;
+    UINT16  Reserved1;
+    UINT32  DataOffset;
+    UINT16  Ds;
+    UINT8   Reserved2[10];
+    UINT8   St0Mm0[10], Reserved3[6];
+    UINT8   St1Mm1[10], Reserved4[6];
+    UINT8   St2Mm2[10], Reserved5[6];
+    UINT8   St3Mm3[10], Reserved6[6];
+    UINT8   St4Mm4[10], Reserved7[6];
+    UINT8   St5Mm5[10], Reserved8[6];
+    UINT8   St6Mm6[10], Reserved9[6];
+    UINT8   St7Mm7[10], Reserved10[6];
+    UINT8   Xmm0[16];
+    UINT8   Xmm1[16];
+    UINT8   Xmm2[16];
+    UINT8   Xmm3[16];
+    UINT8   Xmm4[16];
+    UINT8   Xmm5[16];
+    UINT8   Xmm6[16];
+    UINT8   Xmm7[16];
+    UINT8   Reserved11[14 * 16];
+} EFI_FX_SAVE_STATE_IA32;
+
+typedef struct {
+    UINT32                 ExceptionData;
+    EFI_FX_SAVE_STATE_IA32 FxSaveState;
+    UINT32                 Dr0;
+    UINT32                 Dr1;
+    UINT32                 Dr2;
+    UINT32                 Dr3;
+    UINT32                 Dr6;
+    UINT32                 Dr7;
+    UINT32                 Cr0;
+    UINT32                 Cr1;
+    UINT32                 Cr2;
+    UINT32                 Cr3;
+    UINT32                 Cr4;
+    UINT32                 Eflags;
+    UINT32                 Ldtr;
+    UINT32                 Tr;
+    UINT32                 Gdtr[2];
+    UINT32                 Idtr[2];
+    UINT32                 Eip;
+    UINT32                 Gs;
+    UINT32                 Fs;
+    UINT32                 Es;
+    UINT32                 Ds;
+    UINT32                 Cs;
+    UINT32                 Ss;
+    UINT32                 Edi;
+    UINT32                 Esi;
+    UINT32                 Ebp;
+    UINT32                 Esp;
+    UINT32                 Ebx;
+    UINT32                 Edx;
+    UINT32                 Ecx;
+    UINT32                 Eax;
+} EFI_SYSTEM_CONTEXT_IA32;
+
+// X64
+#define EXCEPT_X64_DIVIDE_ERROR    0
+#define EXCEPT_X64_DEBUG           1
+#define EXCEPT_X64_NMI             2
+#define EXCEPT_X64_BREAKPOINT      3
+#define EXCEPT_X64_OVERFLOW        4
+#define EXCEPT_X64_BOUND           5
+#define EXCEPT_X64_INVALID_OPCODE  6
+#define EXCEPT_X64_DOUBLE_FAULT    8
+#define EXCEPT_X64_INVALID_TSS     10
+#define EXCEPT_X64_SEG_NOT_PRESENT 11
+#define EXCEPT_X64_STACK_FAULT     12
+#define EXCEPT_X64_GP_FAULT        13
+#define EXCEPT_X64_PAGE_FAULT      14
+#define EXCEPT_X64_FP_ERROR        16
+#define EXCEPT_X64_ALIGNMENT_CHECK 17
+#define EXCEPT_X64_MACHINE_CHECK   18
+#define EXCEPT_X64_SIMD            19
+
+typedef struct {
+    UINT16  Fcw;
+    UINT16  Fsw;
+    UINT16  Ftw;
+    UINT16  Opcode;
+    UINT64  Rip;
+    UINT64  DataOffset;
+    UINT8   Reserved1[8];
+    UINT8   St0Mm0[10], Reserved2[6];
+    UINT8   St1Mm1[10], Reserved3[6];
+    UINT8   St2Mm2[10], Reserved4[6];
+    UINT8   St3Mm3[10], Reserved5[6];
+    UINT8   St4Mm4[10], Reserved6[6];
+    UINT8   St5Mm5[10], Reserved7[6];
+    UINT8   St6Mm6[10], Reserved8[6];
+    UINT8   St7Mm7[10], Reserved9[6];
+    UINT8   Xmm0[16];
+    UINT8   Xmm1[16];
+    UINT8   Xmm2[16];
+    UINT8   Xmm3[16];
+    UINT8   Xmm4[16];
+    UINT8   Xmm5[16];
+    UINT8   Xmm6[16];
+    UINT8   Xmm7[16];
+    UINT8   Reserved11[14 * 16];
+} EFI_FX_SAVE_STATE_X64;
+
+typedef struct {
+    UINT64                ExceptionData;
+    EFI_FX_SAVE_STATE_X64 FxSaveState;
+    UINT64                Dr0;
+    UINT64                Dr1;
+    UINT64                Dr2;
+    UINT64                Dr3;
+    UINT64                Dr6;
+    UINT64                Dr7;
+    UINT64                Cr0;
+    UINT64                Cr1;
+    UINT64                Cr2;
+    UINT64                Cr3;
+    UINT64                Cr4;
+    UINT64                Cr8;
+    UINT64                Rflags;
+    UINT64                Ldtr;
+    UINT64                Tr;
+    UINT64                Gdtr[2];
+    UINT64                Idtr[2];
+    UINT64                Rip;
+    UINT64                Gs;
+    UINT64                Fs;
+    UINT64                Es;
+    UINT64                Ds;
+    UINT64                Cs;
+    UINT64                Ss;
+    UINT64                Rdi;
+    UINT64                Rsi;
+    UINT64                Rbp;
+    UINT64                Rsp;
+    UINT64                Rbx;
+    UINT64                Rdx;
+    UINT64                Rcx;
+    UINT64                Rax;
+    UINT64                R8;
+    UINT64                R9;
+    UINT64                R10;
+    UINT64                R11;
+    UINT64                R12;
+    UINT64                R13;
+    UINT64                R14;
+    UINT64                R15;
+} EFI_SYSTEM_CONTEXT_X64;
+
+/// IA64
+#define EXCEPT_IPF_VHTP_TRANSLATION               0
+#define EXCEPT_IPF_INSTRUCTION_TLB                1
+#define EXCEPT_IPF_DATA_TLB                       2
+#define EXCEPT_IPF_ALT_INSTRUCTION_TLB            3
+#define EXCEPT_IPF_ALT_DATA_TLB                   4
+#define EXCEPT_IPF_DATA_NESTED_TLB                5
+#define EXCEPT_IPF_INSTRUCTION_KEY_MISSED         6
+#define EXCEPT_IPF_DATA_KEY_MISSED                7
+#define EXCEPT_IPF_DIRTY_BIT                      8
+#define EXCEPT_IPF_INSTRUCTION_ACCESS_BIT         9
+#define EXCEPT_IPF_DATA_ACCESS_BIT                10
+#define EXCEPT_IPF_BREAKPOINT                     11
+#define EXCEPT_IPF_EXTERNAL_INTERRUPT             12
+#define EXCEPT_IPF_PAGE_NOT_PRESENT               20
+#define EXCEPT_IPF_KEY_PERMISSION                 21
+#define EXCEPT_IPF_INSTRUCTION_ACCESS_RIGHTS      22
+#define EXCEPT_IPF_DATA_ACCESS_RIGHTS             23
+#define EXCEPT_IPF_GENERAL_EXCEPTION              24
+#define EXCEPT_IPF_DISABLED_FP_REGISTER           25
+#define EXCEPT_IPF_NAT_CONSUMPTION                26
+#define EXCEPT_IPF_SPECULATION                    27
+#define EXCEPT_IPF_DEBUG                          29
+#define EXCEPT_IPF_UNALIGNED_REFERENCE            30
+#define EXCEPT_IPF_UNSUPPORTED_DATA_REFERENCE     31
+#define EXCEPT_IPF_FP_FAULT                       32
+#define EXCEPT_IPF_FP_TRAP                        33
+#define EXCEPT_IPF_LOWER_PRIVILEGE_TRANSFER_TRAP  34
+#define EXCEPT_IPF_TAKEN_BRANCH                   35
+#define EXCEPT_IPF_SINGLE_STEP                    36
+#define EXCEPT_IPF_IA32_EXCEPTION                 45
+#define EXCEPT_IPF_IA32_INTERCEPT                 46
+#define EXCEPT_IPF_IA32_INTERRUPT                 47
+
+typedef struct {
+    UINT64  Reserved;
+    UINT64  R1;
+    UINT64  R2;
+    UINT64  R3;
+    UINT64  R4;
+    UINT64  R5;
+    UINT64  R6;
+    UINT64  R7;
+    UINT64  R8;
+    UINT64  R9;
+    UINT64  R10;
+    UINT64  R11;
+    UINT64  R12;
+    UINT64  R13;
+    UINT64  R14;
+    UINT64  R15;
+    UINT64  R16;
+    UINT64  R17;
+    UINT64  R18;
+    UINT64  R19;
+    UINT64  R20;
+    UINT64  R21;
+    UINT64  R22;
+    UINT64  R23;
+    UINT64  R24;
+    UINT64  R25;
+    UINT64  R26;
+    UINT64  R27;
+    UINT64  R28;
+    UINT64  R29;
+    UINT64  R30;
+    UINT64  R31;
+    UINT64  F2[2];
+    UINT64  F3[2];
+    UINT64  F4[2];
+    UINT64  F5[2];
+    UINT64  F6[2];
+    UINT64  F7[2];
+    UINT64  F8[2];
+    UINT64  F9[2];
+    UINT64  F10[2];
+    UINT64  F11[2];
+    UINT64  F12[2];
+    UINT64  F13[2];
+    UINT64  F14[2];
+    UINT64  F15[2];
+    UINT64  F16[2];
+    UINT64  F17[2];
+    UINT64  F18[2];
+    UINT64  F19[2];
+    UINT64  F20[2];
+    UINT64  F21[2];
+    UINT64  F22[2];
+    UINT64  F23[2];
+    UINT64  F24[2];
+    UINT64  F25[2];
+    UINT64  F26[2];
+    UINT64  F27[2];
+    UINT64  F28[2];
+    UINT64  F29[2];
+    UINT64  F30[2];
+    UINT64  F31[2];
+    UINT64  Pr;
+    UINT64  B0;
+    UINT64  B1;
+    UINT64  B2;
+    UINT64  B3;
+    UINT64  B4;
+    UINT64  B5;
+    UINT64  B6;
+    UINT64  B7;
+    UINT64  ArRsc;
+    UINT64  ArBsp;
+    UINT64  ArBspstore;
+    UINT64  ArRnat;
+    UINT64  ArFcr;
+    UINT64  ArEflag;
+    UINT64  ArCsd;
+    UINT64  ArSsd;
+    UINT64  ArCflg;
+    UINT64  ArFsr;
+    UINT64  ArFir;
+    UINT64  ArFdr;
+    UINT64  ArCcv;
+    UINT64  ArUnat;
+    UINT64  ArFpsr;
+    UINT64  ArPfs;
+    UINT64  ArLc;
+    UINT64  ArEc;
+    UINT64  CrDcr;
+    UINT64  CrItm;
+    UINT64  CrIva;
+    UINT64  CrPta;
+    UINT64  CrIpsr;
+    UINT64  CrIsr;
+    UINT64  CrIip;
+    UINT64  CrIfa;
+    UINT64  CrItir;
+    UINT64  CrIipa;
+    UINT64  CrIfs;
+    UINT64  CrIim;
+    UINT64  CrIha;
+    UINT64  Dbr0;
+    UINT64  Dbr1;
+    UINT64  Dbr2;
+    UINT64  Dbr3;
+    UINT64  Dbr4;
+    UINT64  Dbr5;
+    UINT64  Dbr6;
+    UINT64  Dbr7;
+    UINT64  Ibr0;
+    UINT64  Ibr1;
+    UINT64  Ibr2;
+    UINT64  Ibr3;
+    UINT64  Ibr4;
+    UINT64  Ibr5;
+    UINT64  Ibr6;
+    UINT64  Ibr7;
+    UINT64  IntNat;
+} EFI_SYSTEM_CONTEXT_IPF;
+
+// EBC
+#define EXCEPT_EBC_UNDEFINED            0
+#define EXCEPT_EBC_DIVIDE_ERROR         1
+#define EXCEPT_EBC_DEBUG                2
+#define EXCEPT_EBC_BREAKPOINT           3
+#define EXCEPT_EBC_OVERFLOW             4
+#define EXCEPT_EBC_INVALID_OPCODE       5
+#define EXCEPT_EBC_STACK_FAULT          6
+#define EXCEPT_EBC_ALIGNMENT_CHECK      7
+#define EXCEPT_EBC_INSTRUCTION_ENCODING 8
+#define EXCEPT_EBC_BAD_BREAK            9
+#define EXCEPT_EBC_STEP                 10
+#define MAX_EBC_EXCEPTION               EXCEPT_EBC_STEP
+
+typedef struct {
+    UINT64  R0;
+    UINT64  R1;
+    UINT64  R2;
+    UINT64  R3;
+    UINT64  R4;
+    UINT64  R5;
+    UINT64  R6;
+    UINT64  R7;
+    UINT64  Flags;
+    UINT64  ControlFlags;
+    UINT64  Ip;
+} EFI_SYSTEM_CONTEXT_EBC;
+
+// ARM
+#define EXCEPT_ARM_RESET                    0
+#define EXCEPT_ARM_UNDEFINED_INSTRUCTION    1
+#define EXCEPT_ARM_SOFTWARE_INTERRUPT       2
+#define EXCEPT_ARM_PREFETCH_ABORT           3
+#define EXCEPT_ARM_DATA_ABORT               4
+#define EXCEPT_ARM_RESERVED                 5
+#define EXCEPT_ARM_IRQ                      6
+#define EXCEPT_ARM_FIQ                      7
+#define MAX_ARM_EXCEPTION                   EXCEPT_ARM_FIQ
+
+typedef struct {
+    UINT32  R0;
+    UINT32  R1;
+    UINT32  R2;
+    UINT32  R3;
+    UINT32  R4;
+    UINT32  R5;
+    UINT32  R6;
+    UINT32  R7;
+    UINT32  R8;
+    UINT32  R9;
+    UINT32  R10;
+    UINT32  R11;
+    UINT32  R12;
+    UINT32  SP;
+    UINT32  LR;
+    UINT32  PC;
+    UINT32  CPSR;
+    UINT32  DFSR;
+    UINT32  DFAR;
+    UINT32  IFSR;
+    UINT32  IFAR;
+} EFI_SYSTEM_CONTEXT_ARM;
+
+
+typedef union {
+    EFI_SYSTEM_CONTEXT_EBC  *SystemContextEbc;
+    EFI_SYSTEM_CONTEXT_IA32 *SystemContextIa32;
+    EFI_SYSTEM_CONTEXT_X64  *SystemContextX64;
+    EFI_SYSTEM_CONTEXT_IPF  *SystemContextIpf;
+    EFI_SYSTEM_CONTEXT_ARM  *SystemContextArm;
+} EFI_SYSTEM_CONTEXT;
+
+typedef
+VOID
+(EFIAPI *EFI_EXCEPTION_CALLBACK)(
+    IN     EFI_EXCEPTION_TYPE               ExceptionType,
+    IN OUT EFI_SYSTEM_CONTEXT               SystemContext);
+
+typedef
+VOID
+(EFIAPI *EFI_PERIODIC_CALLBACK)(
+    IN OUT EFI_SYSTEM_CONTEXT               SystemContext);
+
+typedef enum {
+    IsaIa32 = EFI_IMAGE_MACHINE_IA32,
+    IsaX64 = EFI_IMAGE_MACHINE_X64,
+    IsaIpf = EFI_IMAGE_MACHINE_IA64,
+    IsaEbc = EFI_IMAGE_MACHINE_EBC,
+    IsaArm = EFI_IMAGE_MACHINE_ARMTHUMB_MIXED,
+//	IsaArm64 = EFI_IMAGE_MACHINE_AARCH64
+} EFI_INSTRUCTION_SET_ARCHITECTURE;
+
+//
+// DEBUG_IMAGE_INFO
+//
+
+#define EFI_DEBUG_IMAGE_INFO_TABLE_GUID \
+    { 0x49152e77, 0x1ada, 0x4764, {0xb7, 0xa2, 0x7a, 0xfe, 0xfe, 0xd9, 0x5e, 0x8b} }
+
+#define EFI_DEBUG_IMAGE_INFO_UPDATE_IN_PROGRESS 0x01
+#define EFI_DEBUG_IMAGE_INFO_TABLE_MODIFIED     0x02
+#define EFI_DEBUG_IMAGE_INFO_INITIAL_SIZE       (EFI_PAGE_SIZE / sizeof (UINTN))
+#define EFI_DEBUG_IMAGE_INFO_TYPE_NORMAL        0x01
+
+typedef struct {
+UINT64                Signature;
+EFI_PHYSICAL_ADDRESS  EfiSystemTableBase;
+UINT32                Crc32;
+} EFI_SYSTEM_TABLE_POINTER;
+
+typedef struct {
+UINT32                    ImageInfoType;
+EFI_LOADED_IMAGE_PROTOCOL *LoadedImageProtocolInstance;
+EFI_HANDLE                *ImageHandle;
+} EFI_DEBUG_IMAGE_INFO_NORMAL;
+
+typedef union {
+UINT32                      *ImageInfoType;
+EFI_DEBUG_IMAGE_INFO_NORMAL *NormalImage;
+} EFI_DEBUG_IMAGE_INFO;
+
+typedef struct {
+volatile UINT32       UpdateStatus;
+UINT32                TableSize;
+EFI_DEBUG_IMAGE_INFO  *EfiDebugImageInfoTable;
+} EFI_DEBUG_IMAGE_INFO_TABLE_HEADER;
+
+//
+// EFI_DEBUGGER_PROTOCOL
+//
+
+#define EFI_DEBUG_SUPPORT_PROTOCOL_GUID \
+    { 0x2755590c, 0x6f3c, 0x42fa, {0x9e, 0xa4, 0xa3, 0xba, 0x54, 0x3c, 0xda, 0x25} }
+
+INTERFACE_DECL(_EFI_DEBUG_SUPPORT_PROTOCOL);
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_GET_MAXIMUM_PROCESSOR_INDEX)(
+    IN struct _EFI_DEBUG_SUPPORT_PROTOCOL  *This,
+    OUT UINTN                              *MaxProcessorIndex);
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_REGISTER_PERIODIC_CALLBACK)(
+    IN struct _EFI_DEBUG_SUPPORT_PROTOCOL  *This,
+    IN UINTN                               ProcessorIndex,
+    IN EFI_PERIODIC_CALLBACK               PeriodicCallback);
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_REGISTER_EXCEPTION_CALLBACK)(
+    IN struct _EFI_DEBUG_SUPPORT_PROTOCOL  *This,
+    IN UINTN                               ProcessorIndex,
+    IN EFI_EXCEPTION_CALLBACK              ExceptionCallback,
+    IN EFI_EXCEPTION_TYPE                  ExceptionType);
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_INVALIDATE_INSTRUCTION_CACHE)(
+    IN struct _EFI_DEBUG_SUPPORT_PROTOCOL  *This,
+    IN UINTN                               ProcessorIndex,
+    IN VOID                                *Start,
+    IN UINT64                              Length);
+
+typedef struct _EFI_DEBUG_SUPPORT_PROTOCOL {
+    EFI_INSTRUCTION_SET_ARCHITECTURE  Isa;
+    EFI_GET_MAXIMUM_PROCESSOR_INDEX   GetMaximumProcessorIndex;
+    EFI_REGISTER_PERIODIC_CALLBACK    RegisterPeriodicCallback;
+    EFI_REGISTER_EXCEPTION_CALLBACK   RegisterExceptionCallback;
+    EFI_INVALIDATE_INSTRUCTION_CACHE  InvalidateInstructionCache;
+} EFI_DEBUG_SUPPORT_PROTOCOL;
+
+#endif

src/include/efi/efidef.h

@@ -0,0 +1,220 @@
+#ifndef _EFI_DEF_H
+#define _EFI_DEF_H
+
+/*++
+
+Copyright (c) 1998  Intel Corporation
+
+Module Name:
+
+    efidef.h
+
+Abstract:
+
+    EFI definitions
+
+
+
+
+Revision History
+
+--*/
+
+typedef wchar_t         CHAR16;
+typedef char            CHAR8;
+typedef uint8_t         BOOLEAN;
+#ifndef CONST
+   #define CONST const
+#endif
+#ifndef TRUE
+    #define TRUE    ((BOOLEAN) 1)
+    #define FALSE   ((BOOLEAN) 0)
+#endif
+
+#ifndef NULL
+    #define NULL    ((VOID *) 0)
+#endif
+
+typedef UINTN           EFI_STATUS;
+typedef UINT64          EFI_LBA;
+typedef UINTN           EFI_TPL;
+typedef VOID            *EFI_HANDLE;
+typedef VOID            *EFI_EVENT;
+
+
+//
+// Prototype argument decoration for EFI parameters to indicate
+// their direction
+//
+// IN - argument is passed into the function
+// OUT - argument (pointer) is returned from the function
+// OPTIONAL - argument is optional
+//
+
+#ifndef IN
+    #define IN
+    #define OUT
+    #define OPTIONAL
+#endif
+
+
+//
+// A GUID
+//
+
+typedef struct {          
+    UINT32  Data1;
+    UINT16  Data2;
+    UINT16  Data3;
+    UINT8   Data4[8]; 
+} EFI_GUID;
+
+
+//
+// Time
+//
+
+typedef struct {          
+    UINT16      Year;       // 1998 - 20XX
+    UINT8       Month;      // 1 - 12
+    UINT8       Day;        // 1 - 31
+    UINT8       Hour;       // 0 - 23
+    UINT8       Minute;     // 0 - 59
+    UINT8       Second;     // 0 - 59
+    UINT8       Pad1;
+    UINT32      Nanosecond; // 0 - 999,999,999
+    INT16       TimeZone;   // -1440 to 1440 or 2047
+    UINT8       Daylight;
+    UINT8       Pad2;
+} EFI_TIME;
+
+// Bit definitions for EFI_TIME.Daylight
+#define EFI_TIME_ADJUST_DAYLIGHT    0x01
+#define EFI_TIME_IN_DAYLIGHT        0x02
+
+// Value definition for EFI_TIME.TimeZone
+#define EFI_UNSPECIFIED_TIMEZONE    0x07FF
+
+
+
+//
+// Networking
+//
+
+typedef struct {
+    UINT8                   Addr[4];
+} EFI_IPv4_ADDRESS;
+
+typedef struct {
+    UINT8                   Addr[16];
+} EFI_IPv6_ADDRESS;
+
+typedef struct {
+    UINT8                   Addr[32];
+} EFI_MAC_ADDRESS;
+
+typedef struct {
+    UINT32 ReceivedQueueTimeoutValue;
+    UINT32 TransmitQueueTimeoutValue;
+    UINT16 ProtocolTypeFilter;
+    BOOLEAN EnableUnicastReceive;
+    BOOLEAN EnableMulticastReceive;
+    BOOLEAN EnableBroadcastReceive;
+    BOOLEAN EnablePromiscuousReceive;
+    BOOLEAN FlushQueuesOnReset;
+    BOOLEAN EnableReceiveTimestamps;
+    BOOLEAN DisableBackgroundPolling;
+} EFI_MANAGED_NETWORK_CONFIG_DATA;
+
+//
+// Memory
+//
+
+typedef UINT64          EFI_PHYSICAL_ADDRESS;
+typedef UINT64          EFI_VIRTUAL_ADDRESS;
+
+typedef enum {
+    AllocateAnyPages,
+    AllocateMaxAddress,
+    AllocateAddress,
+    MaxAllocateType
+} EFI_ALLOCATE_TYPE;
+
+//Preseve the attr on any range supplied.
+//ConventialMemory must have WB,SR,SW when supplied.
+//When allocating from ConventialMemory always make it WB,SR,SW
+//When returning to ConventialMemory always make it WB,SR,SW
+//When getting the memory map, or on RT for runtime types
+
+
+typedef enum {
+    EfiReservedMemoryType,
+    EfiLoaderCode,
+    EfiLoaderData,
+    EfiBootServicesCode,
+    EfiBootServicesData,
+    EfiRuntimeServicesCode,
+    EfiRuntimeServicesData,
+    EfiConventionalMemory,
+    EfiUnusableMemory,
+    EfiACPIReclaimMemory,
+    EfiACPIMemoryNVS,
+    EfiMemoryMappedIO,
+    EfiMemoryMappedIOPortSpace,
+    EfiPalCode,
+    EfiMaxMemoryType
+} EFI_MEMORY_TYPE;
+
+// possible caching types for the memory range
+#define EFI_MEMORY_UC           0x0000000000000001
+#define EFI_MEMORY_WC           0x0000000000000002
+#define EFI_MEMORY_WT           0x0000000000000004
+#define EFI_MEMORY_WB           0x0000000000000008
+#define EFI_MEMORY_UCE          0x0000000000000010  
+
+// physical memory protection on range 
+#define EFI_MEMORY_WP           0x0000000000001000
+#define EFI_MEMORY_RP           0x0000000000002000
+#define EFI_MEMORY_XP           0x0000000000004000
+
+// range requires a runtime mapping
+#define EFI_MEMORY_RUNTIME      0x8000000000000000
+
+#define EFI_MEMORY_DESCRIPTOR_VERSION  1
+typedef struct {
+    UINT32                          Type;           // Field size is 32 bits followed by 32 bit pad
+    UINT32                          Pad;
+    EFI_PHYSICAL_ADDRESS            PhysicalStart;  // Field size is 64 bits
+    EFI_VIRTUAL_ADDRESS             VirtualStart;   // Field size is 64 bits
+    UINT64                          NumberOfPages;  // Field size is 64 bits
+    UINT64                          Attribute;      // Field size is 64 bits
+} EFI_MEMORY_DESCRIPTOR;
+
+//
+// International Language
+//
+
+typedef UINT8   ISO_639_2;
+#define ISO_639_2_ENTRY_SIZE    3
+
+//
+//
+//
+
+#define EFI_PAGE_SIZE   4096
+#define EFI_PAGE_MASK   0xFFF
+#define EFI_PAGE_SHIFT  12
+
+#define EFI_SIZE_TO_PAGES(a)  \
+    ( ((a) >> EFI_PAGE_SHIFT) + ((a) & EFI_PAGE_MASK ? 1 : 0) )
+
+#define EFI_OS_INDICATIONS_BOOT_TO_FW_UI        0x0000000000000001
+#define EFI_OS_INDICATIONS_TIMESTAMP_REVOCATION 0x0000000000000002
+#define EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED \
+                                                0x0000000000000004
+#define EFI_OS_INDICATIONS_FMP_CAPSULE_SUPPORTED \
+                                                0x0000000000000008
+#define EFI_OS_INDICATIONS_CAPSULE_RESULT_VAR_SUPPORTED \
+                                                0x0000000000000010
+
+#endif

src/include/efi/efidevp.h

@@ -0,0 +1,582 @@
+#ifndef _DEVPATH_H
+#define _DEVPATH_H
+
+/*++
+
+Copyright (c) 1998  Intel Corporation
+
+Module Name:
+
+    devpath.h
+
+Abstract:
+
+    Defines for parsing the EFI Device Path structures
+
+
+
+Revision History
+
+--*/
+
+//
+// Device Path structures - Section C
+//
+
+typedef struct _EFI_DEVICE_PATH_PROTOCOL {
+        UINT8                           Type;
+        UINT8                           SubType;
+        UINT8                           Length[2];
+} EFI_DEVICE_PATH_PROTOCOL;
+
+typedef struct _EFI_DEVICE_PATH_PROTOCOL _EFI_DEVICE_PATH;
+typedef EFI_DEVICE_PATH_PROTOCOL EFI_DEVICE_PATH;
+
+#define EFI_DP_TYPE_MASK                    0x7F
+#define EFI_DP_TYPE_UNPACKED                0x80
+
+//#define END_DEVICE_PATH_TYPE                0xff
+#define END_DEVICE_PATH_TYPE                0x7f
+//#define END_DEVICE_PATH_TYPE_UNPACKED       0x7f
+
+#define END_ENTIRE_DEVICE_PATH_SUBTYPE      0xff
+#define END_INSTANCE_DEVICE_PATH_SUBTYPE    0x01
+#define END_DEVICE_PATH_LENGTH              (sizeof(EFI_DEVICE_PATH_PROTOCOL))
+
+
+#define DP_IS_END_TYPE(a)
+#define DP_IS_END_SUBTYPE(a)        ( ((a)->SubType == END_ENTIRE_DEVICE_PATH_SUBTYPE )
+
+#define DevicePathType(a)           ( ((a)->Type) & EFI_DP_TYPE_MASK )
+#define DevicePathSubType(a)        ( (a)->SubType )
+#define DevicePathNodeLength(a)     ( ((a)->Length[0]) | ((a)->Length[1] << 8) )
+#define NextDevicePathNode(a)       ( (EFI_DEVICE_PATH_PROTOCOL *) ( ((UINT8 *) (a)) + DevicePathNodeLength(a)))
+//#define IsDevicePathEndType(a)      ( DevicePathType(a) == END_DEVICE_PATH_TYPE_UNPACKED )
+#define IsDevicePathEndType(a)      ( DevicePathType(a) == END_DEVICE_PATH_TYPE )
+#define IsDevicePathEndSubType(a)   ( (a)->SubType == END_ENTIRE_DEVICE_PATH_SUBTYPE )
+#define IsDevicePathEnd(a)          ( IsDevicePathEndType(a) && IsDevicePathEndSubType(a) )
+#define IsDevicePathUnpacked(a)     ( (a)->Type & EFI_DP_TYPE_UNPACKED )
+
+
+#define SetDevicePathNodeLength(a,l) {                  \
+            (a)->Length[0] = (UINT8) (l);               \
+            (a)->Length[1] = (UINT8) ((l) >> 8);        \
+            }
+
+#define SetDevicePathEndNode(a)  {                      \
+            (a)->Type = END_DEVICE_PATH_TYPE;           \
+            (a)->SubType = END_ENTIRE_DEVICE_PATH_SUBTYPE;     \
+            (a)->Length[0] = sizeof(EFI_DEVICE_PATH_PROTOCOL); \
+            (a)->Length[1] = 0;                         \
+            }
+
+
+/*
+ * Hardware Device Path (UEFI 2.4 specification, version 2.4 § 9.3.2.)
+ */
+
+#define HARDWARE_DEVICE_PATH            0x01
+
+#define HW_PCI_DP                       0x01
+typedef struct _PCI_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL        Header;
+        UINT8                           Function;
+        UINT8                           Device;
+} PCI_DEVICE_PATH;
+
+#define HW_PCCARD_DP                    0x02
+typedef struct _PCCARD_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL        Header;
+        UINT8                           FunctionNumber ;
+} PCCARD_DEVICE_PATH;
+
+#define HW_MEMMAP_DP                    0x03
+typedef struct _MEMMAP_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL        Header;
+        UINT32                          MemoryType;
+        EFI_PHYSICAL_ADDRESS            StartingAddress;
+        EFI_PHYSICAL_ADDRESS            EndingAddress;
+} MEMMAP_DEVICE_PATH;
+
+#define HW_VENDOR_DP                    0x04
+typedef struct _VENDOR_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL        Header;
+        EFI_GUID                        Guid;
+} VENDOR_DEVICE_PATH;
+
+#define UNKNOWN_DEVICE_GUID \
+    { 0xcf31fac5, 0xc24e, 0x11d2,  {0x85, 0xf3, 0x0, 0xa0, 0xc9, 0x3e, 0xc9, 0x3b}  }
+
+typedef struct _UKNOWN_DEVICE_VENDOR_DP {
+    VENDOR_DEVICE_PATH      DevicePath;
+    UINT8                   LegacyDriveLetter;
+} UNKNOWN_DEVICE_VENDOR_DEVICE_PATH;
+
+#define HW_CONTROLLER_DP            0x05
+typedef struct _CONTROLLER_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL  Header;
+        UINT32                    Controller;
+} CONTROLLER_DEVICE_PATH;
+
+
+/*
+ * ACPI Device Path (UEFI 2.4 specification, version 2.4 § 9.3.3 and 9.3.4.)
+ */
+#define ACPI_DEVICE_PATH                 0x02
+
+#define ACPI_DP                         0x01
+typedef struct _ACPI_HID_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL        Header;
+        UINT32                          HID;
+        UINT32                          UID;
+} ACPI_HID_DEVICE_PATH;
+
+#define EXPANDED_ACPI_DP		0x02
+typedef struct _EXPANDED_ACPI_HID_DEVICE_PATH {
+	EFI_DEVICE_PATH_PROTOCOL	Header;
+	UINT32				HID;
+	UINT32				UID;
+	UINT32				CID;
+	UINT8				HidStr[1];
+} EXPANDED_ACPI_HID_DEVICE_PATH;
+
+#define ACPI_ADR_DP 3
+typedef struct _ACPI_ADR_DEVICE_PATH {
+    EFI_DEVICE_PATH_PROTOCOL Header ;
+    UINT32 ADR ;
+} ACPI_ADR_DEVICE_PATH ;
+
+//
+// EISA ID Macro
+// EISA ID Definition 32-bits
+//  bits[15:0] - three character compressed ASCII EISA ID.
+//  bits[31:16] - binary number
+//   Compressed ASCII is 5 bits per character 0b00001 = 'A' 0b11010 = 'Z'
+//
+#define PNP_EISA_ID_CONST       0x41d0
+#define EISA_ID(_Name, _Num)    ((UINT32) ((_Name) | (_Num) << 16))
+#define EISA_PNP_ID(_PNPId)     (EISA_ID(PNP_EISA_ID_CONST, (_PNPId)))
+
+#define PNP_EISA_ID_MASK        0xffff
+#define EISA_ID_TO_NUM(_Id)     ((_Id) >> 16)
+
+
+/*
+ * Messaging Device Path (UEFI 2.4 specification, version 2.4 § 9.3.5.)
+ */
+#define MESSAGING_DEVICE_PATH           0x03
+
+#define MSG_ATAPI_DP                    0x01
+typedef struct _ATAPI_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL        Header;
+        UINT8                           PrimarySecondary;
+        UINT8                           SlaveMaster;
+        UINT16                          Lun;
+} ATAPI_DEVICE_PATH;
+
+#define MSG_SCSI_DP                     0x02
+typedef struct _SCSI_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL        Header;
+        UINT16                          Pun;
+        UINT16                          Lun;
+} SCSI_DEVICE_PATH;
+
+#define MSG_FIBRECHANNEL_DP             0x03
+typedef struct _FIBRECHANNEL_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL        Header;
+        UINT32                          Reserved;
+        UINT64                          WWN;
+        UINT64                          Lun;
+} FIBRECHANNEL_DEVICE_PATH;
+
+/**
+ * Fibre Channel Ex SubType.
+ * UEFI 2.0 specification version 2.4 § 9.3.5.6.
+ */
+#define MSG_FIBRECHANNELEX_DP 21
+typedef struct _FIBRECHANNELEX_DEVICE_PATH {
+    EFI_DEVICE_PATH_PROTOCOL Header ;
+    UINT32 Reserved ;
+    UINT8 WWN[ 8 ] ; /* World Wide Name */
+    UINT8 Lun[ 8 ] ; /* Logical unit, T-10 SCSI Architecture Model 4 specification */
+} FIBRECHANNELEX_DEVICE_PATH ;
+
+#define MSG_1394_DP                     0x04
+typedef struct _F1394_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL        Header;
+        UINT32                          Reserved;
+        UINT64                          Guid;
+} F1394_DEVICE_PATH;
+
+#define MSG_USB_DP                      0x05
+typedef struct _USB_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL        Header;
+        UINT8                           Port;
+        UINT8                           Endpoint;
+} USB_DEVICE_PATH;
+
+/**
+ * SATA Device Path SubType.
+ * UEFI 2.0 specification version 2.4 § 9.3.5.6.
+ */
+#define MSG_SATA_DP 18
+typedef struct _SATA_DEVICE_PATH {
+    EFI_DEVICE_PATH_PROTOCOL Header ;
+    UINT16 HBAPortNumber ;
+    UINT16 PortMultiplierPortNumber ;
+    UINT16 Lun ; /* Logical Unit Number */
+} SATA_DEVICE_PATH ;
+
+/**
+ * USB WWID Device Path SubType.
+ * UEFI 2.0 specification version 2.4 § 9.3.5.7.
+ */
+#define MSG_USB_WWID_DP 16
+typedef struct _USB_WWID_DEVICE_PATH {
+    EFI_DEVICE_PATH_PROTOCOL Header ;
+    UINT16 InterfaceNumber ;
+    UINT16 VendorId ;
+    UINT16 ProductId ;
+    CHAR16 SerialNumber[ 1 ] ; /* UTF-16 characters of the USB serial number */
+} USB_WWID_DEVICE_PATH ;
+
+/**
+ * Device Logical Unit SubType.
+ * UEFI 2.0 specification version 2.4 § 9.3.5.8.
+ */
+#define MSG_DEVICE_LOGICAL_UNIT_DP 17
+typedef struct _DEVICE_LOGICAL_UNIT_DEVICE_PATH {
+    EFI_DEVICE_PATH_PROTOCOL Header ;
+    UINT8 Lun ; /* Logical Unit Number */
+} DEVICE_LOGICAL_UNIT_DEVICE_PATH ;
+
+#define MSG_USB_CLASS_DP                0x0F
+typedef struct _USB_CLASS_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL        Header;
+        UINT16                          VendorId;
+        UINT16                          ProductId;
+        UINT8                           DeviceClass;
+        UINT8                           DeviceSubclass;
+        UINT8                           DeviceProtocol;
+} USB_CLASS_DEVICE_PATH;
+
+#define MSG_I2O_DP                      0x06
+typedef struct _I2O_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL        Header;
+        UINT32                          Tid;
+} I2O_DEVICE_PATH;
+
+#define MSG_MAC_ADDR_DP                 0x0b
+typedef struct _MAC_ADDR_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL        Header;
+        EFI_MAC_ADDRESS                 MacAddress;
+        UINT8                           IfType;
+} MAC_ADDR_DEVICE_PATH;
+
+#define MSG_IPv4_DP                     0x0c
+typedef struct _IPv4_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL        Header;
+        EFI_IPv4_ADDRESS                LocalIpAddress;
+        EFI_IPv4_ADDRESS                RemoteIpAddress;
+        UINT16                          LocalPort;
+        UINT16                          RemotePort;
+        UINT16                          Protocol;
+        BOOLEAN                         StaticIpAddress;
+        /* new from UEFI version 2, code must check Length field in Header */
+        EFI_IPv4_ADDRESS                GatewayIpAddress ;
+        EFI_IPv4_ADDRESS                SubnetMask ;
+} IPv4_DEVICE_PATH;
+
+#define MSG_IPv6_DP                     0x0d
+typedef struct _IPv6_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL        Header;
+        EFI_IPv6_ADDRESS                LocalIpAddress;
+        EFI_IPv6_ADDRESS                RemoteIpAddress;
+        UINT16                          LocalPort;
+        UINT16                          RemotePort;
+        UINT16                          Protocol;
+        BOOLEAN                         IPAddressOrigin ;
+        /* new from UEFI version 2, code must check Length field in Header */
+        UINT8                           PrefixLength ;
+        EFI_IPv6_ADDRESS                GatewayIpAddress ;
+} IPv6_DEVICE_PATH;
+
+
+/**
+ * Uniform Resource Identifiers SubType.
+ * UEFI 2.0 specification version 2.4C § 9.3.5.23.
+ */
+#define MSG_URI_DP                      24
+typedef struct _URI_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL        Header;
+        CHAR8                           Uri[1];
+} URI_DEVICE_PATH;
+
+/**
+ * Device Logical Unit SubType.
+ * UEFI 2.0 specification version 2.4 § 9.3.5.8.
+ */
+#define MSG_VLAN_DP 20
+typedef struct _VLAN_DEVICE_PATH {
+    EFI_DEVICE_PATH_PROTOCOL Header ;
+    UINT16 VlanId ;
+} VLAN_DEVICE_PATH;
+
+#define MSG_INFINIBAND_DP               0x09
+typedef struct _INFINIBAND_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL        Header;
+        UINT32                          ResourceFlags ;
+        UINT64                          PortGid ;
+        UINT64                          ServiceId ;
+        UINT64                          TargetPortId ;
+        UINT64                          DeviceId ;
+} INFINIBAND_DEVICE_PATH;
+
+#define MSG_UART_DP                     0x0e
+typedef struct _UART_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL        Header;
+        UINT32                          Reserved;
+        UINT64                          BaudRate;
+        UINT8                           DataBits;
+        UINT8                           Parity;
+        UINT8                           StopBits;
+} UART_DEVICE_PATH;
+
+#define MSG_VENDOR_DP                   0x0A
+/* Use VENDOR_DEVICE_PATH struct */
+
+#define EFI_PC_ANSI_GUID \
+    { 0xe0c14753, 0xf9be, 0x11d2, {0x9a, 0x0c, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d} }
+#define DEVICE_PATH_MESSAGING_PC_ANSI EFI_PC_ANSI_GUID
+
+#define EFI_VT_100_GUID \
+    { 0xdfa66065, 0xb419, 0x11d3, {0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d} }
+#define DEVICE_PATH_MESSAGING_VT_100 EFI_VT_100_GUID
+
+#define EFI_VT_100_PLUS_GUID \
+    { 0x7baec70b, 0x57e0, 0x4c76, {0x8e, 0x87, 0x2f, 0x9e, 0x28, 0x08, 0x83, 0x43} }
+#define DEVICE_PATH_MESSAGING_VT_100_PLUS EFI_VT_100_PLUS_GUID
+
+#define EFI_VT_UTF8_GUID \
+    { 0xad15a0d6, 0x8bec, 0x4acf, {0xa0, 0x73, 0xd0, 0x1d, 0xe7, 0x7e, 0x2d, 0x88} }
+#define DEVICE_PATH_MESSAGING_VT_UTF8 EFI_VT_UTF8_GUID
+
+
+/*
+ * Media Device Path (UEFI 2.4 specification, version 2.4 § 9.3.6.)
+ */
+#define MEDIA_DEVICE_PATH               0x04
+
+#define MEDIA_HARDDRIVE_DP              0x01
+typedef struct _HARDDRIVE_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL        Header;
+        UINT32                          PartitionNumber;
+        UINT64                          PartitionStart;
+        UINT64                          PartitionSize;
+        UINT8                           Signature[16];
+        UINT8                           MBRType;
+        UINT8                           SignatureType;
+} HARDDRIVE_DEVICE_PATH;
+
+#define MBR_TYPE_PCAT                       0x01
+#define MBR_TYPE_EFI_PARTITION_TABLE_HEADER 0x02
+
+#define SIGNATURE_TYPE_MBR                  0x01
+#define SIGNATURE_TYPE_GUID                 0x02
+
+#define MEDIA_CDROM_DP                  0x02
+typedef struct _CDROM_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL        Header;
+        UINT32                          BootEntry;
+        UINT64                          PartitionStart;
+        UINT64                          PartitionSize;
+} CDROM_DEVICE_PATH;
+
+#define MEDIA_VENDOR_DP                 0x03
+/* Use VENDOR_DEVICE_PATH struct */
+
+#define MEDIA_FILEPATH_DP               0x04
+typedef struct _FILEPATH_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL        Header;
+        CHAR16                          PathName[1];
+} FILEPATH_DEVICE_PATH;
+
+#define SIZE_OF_FILEPATH_DEVICE_PATH EFI_FIELD_OFFSET(FILEPATH_DEVICE_PATH,PathName)
+
+#define MEDIA_PROTOCOL_DP               0x05
+typedef struct _MEDIA_PROTOCOL_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL        Header;
+        EFI_GUID                        Protocol;
+} MEDIA_PROTOCOL_DEVICE_PATH;
+
+/**
+ * PIWG Firmware File SubType.
+ * UEFI 2.0 specification version 2.4 § 9.3.6.6.
+ */
+#define MEDIA_PIWG_FW_FILE_DP 6
+typedef struct _MEDIA_FW_VOL_FILEPATH_DEVICE_PATH {
+    EFI_DEVICE_PATH_PROTOCOL Header ;
+    EFI_GUID FvFileName ;
+} MEDIA_FW_VOL_FILEPATH_DEVICE_PATH ;
+
+/**
+ * PIWG Firmware Volume Device Path SubType.
+ * UEFI 2.0 specification version 2.4 § 9.3.6.7.
+ */
+#define MEDIA_PIWG_FW_VOL_DP 7
+typedef struct _MEDIA_FW_VOL_DEVICE_PATH {
+    EFI_DEVICE_PATH_PROTOCOL Header ;
+    EFI_GUID FvName ;
+} MEDIA_FW_VOL_DEVICE_PATH ;
+
+/**
+ * Media relative offset range device path.
+ * UEFI 2.0 specification version 2.4 § 9.3.6.8.
+ */
+#define MEDIA_RELATIVE_OFFSET_RANGE_DP 8
+typedef struct _MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH {
+    EFI_DEVICE_PATH_PROTOCOL Header ;
+    UINT32 Reserved ;
+    UINT64 StartingOffset ;
+    UINT64 EndingOffset ;
+} MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH ;
+
+
+/*
+ * BIOS Boot Specification Device Path (UEFI 2.4 specification, version 2.4 § 9.3.7.)
+ */
+#define BBS_DEVICE_PATH                 0x05
+
+#define BBS_BBS_DP                      0x01
+typedef struct _BBS_BBS_DEVICE_PATH {
+        EFI_DEVICE_PATH_PROTOCOL        Header;
+        UINT16                          DeviceType;
+        UINT16                          StatusFlag;
+        CHAR8                           String[1];
+} BBS_BBS_DEVICE_PATH;
+
+/* DeviceType definitions - from BBS specification */
+#define BBS_TYPE_FLOPPY                 0x01
+#define BBS_TYPE_HARDDRIVE              0x02
+#define BBS_TYPE_CDROM                  0x03
+#define BBS_TYPE_PCMCIA                 0x04
+#define BBS_TYPE_USB                    0x05
+#define BBS_TYPE_EMBEDDED_NETWORK       0x06
+#define BBS_TYPE_DEV                    0x80
+#define BBS_TYPE_UNKNOWN                0xFF
+
+typedef union {
+    EFI_DEVICE_PATH_PROTOCOL             DevPath;
+    PCI_DEVICE_PATH                      Pci;
+    PCCARD_DEVICE_PATH                   PcCard;
+    MEMMAP_DEVICE_PATH                   MemMap;
+    VENDOR_DEVICE_PATH                   Vendor;
+    UNKNOWN_DEVICE_VENDOR_DEVICE_PATH    UnknownVendor;
+    CONTROLLER_DEVICE_PATH               Controller;
+    ACPI_HID_DEVICE_PATH                 Acpi;
+
+    ATAPI_DEVICE_PATH                    Atapi;
+    SCSI_DEVICE_PATH                     Scsi;
+    FIBRECHANNEL_DEVICE_PATH             FibreChannel;
+
+    F1394_DEVICE_PATH                    F1394;
+    USB_DEVICE_PATH                      Usb;
+    USB_CLASS_DEVICE_PATH                UsbClass;
+    I2O_DEVICE_PATH                      I2O;
+    MAC_ADDR_DEVICE_PATH                 MacAddr;
+    IPv4_DEVICE_PATH                     Ipv4;
+    IPv6_DEVICE_PATH                     Ipv6;
+    URI_DEVICE_PATH                      Uri;
+    INFINIBAND_DEVICE_PATH               InfiniBand;
+    UART_DEVICE_PATH                     Uart;
+
+    HARDDRIVE_DEVICE_PATH                HardDrive;
+    CDROM_DEVICE_PATH                    CD;
+
+    FILEPATH_DEVICE_PATH                 FilePath;
+    MEDIA_PROTOCOL_DEVICE_PATH           MediaProtocol;
+
+    BBS_BBS_DEVICE_PATH                  Bbs;
+
+} EFI_DEV_PATH;
+
+typedef union {
+    EFI_DEVICE_PATH_PROTOCOL             *DevPath;
+    PCI_DEVICE_PATH                      *Pci;
+    PCCARD_DEVICE_PATH                   *PcCard;
+    MEMMAP_DEVICE_PATH                   *MemMap;
+    VENDOR_DEVICE_PATH                   *Vendor;
+    UNKNOWN_DEVICE_VENDOR_DEVICE_PATH    *UnknownVendor;
+    CONTROLLER_DEVICE_PATH               *Controller;
+    ACPI_HID_DEVICE_PATH                 *Acpi;
+
+    ATAPI_DEVICE_PATH                    *Atapi;
+    SCSI_DEVICE_PATH                     *Scsi;
+    FIBRECHANNEL_DEVICE_PATH             *FibreChannel;
+
+    F1394_DEVICE_PATH                    *F1394;
+    USB_DEVICE_PATH                      *Usb;
+    USB_CLASS_DEVICE_PATH                *UsbClass;
+    I2O_DEVICE_PATH                      *I2O;
+    MAC_ADDR_DEVICE_PATH                 *MacAddr;
+    IPv4_DEVICE_PATH                     *Ipv4;
+    IPv6_DEVICE_PATH                     *Ipv6;
+    URI_DEVICE_PATH                      *Uri;
+    INFINIBAND_DEVICE_PATH               *InfiniBand;
+    UART_DEVICE_PATH                     *Uart;
+
+    HARDDRIVE_DEVICE_PATH                *HardDrive;
+
+    FILEPATH_DEVICE_PATH                 *FilePath;
+    MEDIA_PROTOCOL_DEVICE_PATH           *MediaProtocol;
+
+    CDROM_DEVICE_PATH                    *CD;
+    BBS_BBS_DEVICE_PATH                  *Bbs;
+
+} EFI_DEV_PATH_PTR;
+
+#define EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID \
+  { 0x8b843e20, 0x8132, 0x4852, {0x90, 0xcc, 0x55, 0x1a, 0x4e, 0x4a, 0x7f, 0x1c} }
+
+typedef
+CHAR16*
+(EFIAPI *EFI_DEVICE_PATH_TO_TEXT_NODE) (
+    IN CONST EFI_DEVICE_PATH_PROTOCOL    *DeviceNode,
+    IN BOOLEAN                           DisplayOnly,
+    IN BOOLEAN                           AllowShortcuts
+    );
+
+typedef
+CHAR16*
+(EFIAPI *EFI_DEVICE_PATH_TO_TEXT_PATH) (
+    IN CONST EFI_DEVICE_PATH_PROTOCOL    *DevicePath,
+    IN BOOLEAN                           DisplayOnly,
+    IN BOOLEAN                           AllowShortcuts
+    );
+
+typedef struct _EFI_DEVICE_PATH_TO_TEXT_PROTOCOL {
+	EFI_DEVICE_PATH_TO_TEXT_NODE         ConvertDeviceNodeToText;
+	EFI_DEVICE_PATH_TO_TEXT_PATH         ConvertDevicePathToText;
+} EFI_DEVICE_PATH_TO_TEXT_PROTOCOL;
+
+#define EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL_GUID \
+  { 0x5c99a21, 0xc70f, 0x4ad2, {0x8a, 0x5f, 0x35, 0xdf, 0x33, 0x43, 0xf5, 0x1e} }
+
+typedef
+EFI_DEVICE_PATH_PROTOCOL*
+(EFIAPI *EFI_DEVICE_PATH_FROM_TEXT_NODE) (
+    IN CONST CHAR16                      *TextDeviceNode
+    );
+
+typedef
+EFI_DEVICE_PATH_PROTOCOL*
+(EFIAPI *EFI_DEVICE_PATH_FROM_TEXT_PATH) (
+    IN CONST CHAR16                      *TextDevicePath
+    );
+
+typedef struct {
+    EFI_DEVICE_PATH_FROM_TEXT_NODE       ConvertTextToDeviceNode;
+    EFI_DEVICE_PATH_FROM_TEXT_PATH       ConvertTextToDevicePath;
+} EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL;
+
+#endif

src/include/efi/efierr.h

@@ -0,0 +1,67 @@
+#ifndef _EFI_ERR_H
+#define _EFI_ERR_H
+
+/*++
+
+Copyright (c) 1998  Intel Corporation
+
+Module Name:
+
+    efierr.h
+
+Abstract:
+
+    EFI error codes
+
+
+
+
+Revision History
+
+--*/
+
+
+#define EFIWARN(a)                            (a)
+#define EFI_ERROR(a)              (((INTN) a) < 0)
+
+
+#define EFI_SUCCESS                             0
+#define EFI_LOAD_ERROR                  EFIERR(1)
+#define EFI_INVALID_PARAMETER           EFIERR(2)
+#define EFI_UNSUPPORTED                 EFIERR(3)
+#define EFI_BAD_BUFFER_SIZE             EFIERR(4)
+#define EFI_BUFFER_TOO_SMALL            EFIERR(5)
+#define EFI_NOT_READY                   EFIERR(6)
+#define EFI_DEVICE_ERROR                EFIERR(7)
+#define EFI_WRITE_PROTECTED             EFIERR(8)
+#define EFI_OUT_OF_RESOURCES            EFIERR(9)
+#define EFI_VOLUME_CORRUPTED            EFIERR(10)
+#define EFI_VOLUME_FULL                 EFIERR(11)
+#define EFI_NO_MEDIA                    EFIERR(12)
+#define EFI_MEDIA_CHANGED               EFIERR(13)
+#define EFI_NOT_FOUND                   EFIERR(14)
+#define EFI_ACCESS_DENIED               EFIERR(15)
+#define EFI_NO_RESPONSE                 EFIERR(16)
+#define EFI_NO_MAPPING                  EFIERR(17)
+#define EFI_TIMEOUT                     EFIERR(18)
+#define EFI_NOT_STARTED                 EFIERR(19)
+#define EFI_ALREADY_STARTED             EFIERR(20)
+#define EFI_ABORTED                     EFIERR(21)
+#define EFI_ICMP_ERROR                  EFIERR(22)
+#define EFI_TFTP_ERROR                  EFIERR(23)
+#define EFI_PROTOCOL_ERROR              EFIERR(24)
+#define EFI_INCOMPATIBLE_VERSION        EFIERR(25)
+#define EFI_SECURITY_VIOLATION          EFIERR(26)
+#define EFI_CRC_ERROR                   EFIERR(27)
+#define EFI_END_OF_MEDIA                EFIERR(28)
+#define EFI_END_OF_FILE                 EFIERR(31)
+#define EFI_INVALID_LANGUAGE            EFIERR(32)
+#define EFI_COMPROMISED_DATA            EFIERR(33)
+
+#define EFI_WARN_UNKOWN_GLYPH           EFIWARN(1)
+#define EFI_WARN_DELETE_FAILURE         EFIWARN(2)
+#define EFI_WARN_WRITE_FAILURE          EFIWARN(3)
+#define EFI_WARN_BUFFER_TOO_SMALL       EFIWARN(4)
+
+#endif
+

src/include/efi/efifs.h

@@ -0,0 +1,116 @@
+#ifndef _EFI_FS_H
+#define _EFI_FS_H
+
+/*++
+
+Copyright (c) 1998  Intel Corporation
+
+Module Name:
+
+    efifs.h
+
+Abstract:
+
+    EFI File System structures
+
+
+
+Revision History
+
+--*/
+
+
+//
+// EFI Partition header (normaly starts in LBA 1)
+//
+
+#define EFI_PARTITION_SIGNATURE         0x5053595320494249
+#define EFI_PARTITION_REVISION          0x00010001
+#define MIN_EFI_PARTITION_BLOCK_SIZE    512
+#define EFI_PARTITION_LBA               1
+
+typedef struct _EFI_PARTITION_HEADER {
+    EFI_TABLE_HEADER    Hdr;
+    UINT32              DirectoryAllocationNumber;
+    UINT32              BlockSize;
+    EFI_LBA             FirstUsableLba;
+    EFI_LBA             LastUsableLba;
+    EFI_LBA             UnusableSpace;
+    EFI_LBA             FreeSpace;
+    EFI_LBA             RootFile;
+    EFI_LBA             SecutiryFile;
+} EFI_PARTITION_HEADER;
+
+
+//
+// File header
+//
+
+#define EFI_FILE_HEADER_SIGNATURE   0x454c494620494249
+#define EFI_FILE_HEADER_REVISION    0x00010000
+#define EFI_FILE_STRING_SIZE        260
+
+typedef struct _EFI_FILE_HEADER {
+    EFI_TABLE_HEADER    Hdr;
+    UINT32              Class;
+    UINT32              LBALOffset;
+    EFI_LBA             Parent;
+    UINT64              FileSize;
+    UINT64              FileAttributes;
+    EFI_TIME            FileCreateTime;
+    EFI_TIME            FileModificationTime;
+    EFI_GUID            VendorGuid;
+    CHAR16              FileString[EFI_FILE_STRING_SIZE];
+} EFI_FILE_HEADER;
+
+
+//
+// Return the file's first LBAL which is in the same
+// logical block as the file header
+//
+
+#define EFI_FILE_LBAL(a)    ((EFI_LBAL *) (((CHAR8 *) (a)) + (a)->LBALOffset))
+
+#define EFI_FILE_CLASS_FREE_SPACE   1
+#define EFI_FILE_CLASS_EMPTY        2
+#define EFI_FILE_CLASS_NORMAL       3
+
+
+//
+// Logical Block Address List - the fundemental block
+// description structure
+//
+
+#define EFI_LBAL_SIGNATURE      0x4c41424c20494249
+#define EFI_LBAL_REVISION       0x00010000
+
+typedef struct _EFI_LBAL {
+    EFI_TABLE_HEADER    Hdr;
+    UINT32              Class;
+    EFI_LBA             Parent;
+    EFI_LBA             Next;
+    UINT32              ArraySize;
+    UINT32              ArrayCount;
+} EFI_LBAL;
+
+// Array size 
+#define EFI_LBAL_ARRAY_SIZE(lbal,offs,blks)  \
+        (((blks) - (offs) - (lbal)->Hdr.HeaderSize) / sizeof(EFI_RL))
+
+//
+// Logical Block run-length
+//
+
+typedef struct {
+    EFI_LBA     Start;
+    UINT64      Length;
+} EFI_RL;
+
+//
+// Return the run-length structure from an LBAL header
+//
+
+#define EFI_LBAL_RL(a)      ((EFI_RL*) (((CHAR8 *) (a)) + (a)->Hdr.HeaderSize))
+
+#endif
+

src/include/efi/efigpt.h

@@ -0,0 +1,68 @@
+#ifndef _EFI_GPT_H
+#define _EFI_GPT_H
+/*++
+
+Copyright (c) 1998  Intel Corporation
+
+Module Name:
+
+    EfiGpt.h
+    
+Abstract:
+    Include file for EFI partitioning scheme
+
+
+
+Revision History
+
+--*/
+
+#define PRIMARY_PART_HEADER_LBA         1
+
+typedef struct {
+    EFI_TABLE_HEADER    Header;
+    EFI_LBA             MyLBA;
+    EFI_LBA             AlternateLBA;
+    EFI_LBA             FirstUsableLBA;
+    EFI_LBA             LastUsableLBA;
+    EFI_GUID            DiskGUID;
+    EFI_LBA             PartitionEntryLBA;
+    UINT32              NumberOfPartitionEntries;
+    UINT32              SizeOfPartitionEntry;
+    UINT32              PartitionEntryArrayCRC32;
+} EFI_PARTITION_TABLE_HEADER;
+
+#define EFI_PTAB_HEADER_ID  "EFI PART"
+
+typedef struct {
+    EFI_GUID    PartitionTypeGUID;
+    EFI_GUID    UniquePartitionGUID;
+    EFI_LBA     StartingLBA;
+    EFI_LBA     EndingLBA;
+    UINT64      Attributes;
+    CHAR16      PartitionName[36];
+} EFI_PARTITION_ENTRY;
+
+//
+// EFI Partition Attributes
+//
+#define EFI_PART_USED_BY_EFI            0x0000000000000001
+#define EFI_PART_REQUIRED_TO_FUNCTION   0x0000000000000002
+#define EFI_PART_USED_BY_OS             0x0000000000000004
+#define EFI_PART_REQUIRED_BY_OS         0x0000000000000008
+#define EFI_PART_BACKUP_REQUIRED        0x0000000000000010
+#define EFI_PART_USER_DATA              0x0000000000000020
+#define EFI_PART_CRITICAL_USER_DATA     0x0000000000000040
+#define EFI_PART_REDUNDANT_PARTITION    0x0000000000000080
+
+#define EFI_PART_TYPE_UNUSED_GUID   \
+    { 0x00000000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }
+    
+#define EFI_PART_TYPE_EFI_SYSTEM_PART_GUID  \
+    { 0xc12a7328, 0xf81f, 0x11d2, {0xba, 0x4b, 0x00, 0xa0, 0xc9, 0x3e, 0xc9, 0x3b} }
+
+#define EFI_PART_TYPE_LEGACY_MBR_GUID   \
+    { 0x024dee41, 0x33e7, 0x11d3, {0x9d, 0x69, 0x00, 0x08, 0xc7, 0x81, 0xf3, 0x9f} }
+
+#endif
+

src/include/efi/efiip.h

@@ -0,0 +1,459 @@
+#ifndef _EFI_IP_H
+#define _EFI_IP_H
+
+/*++
+Copyright (c) 2013  Intel Corporation
+
+--*/
+
+#define EFI_IP4_SERVICE_BINDING_PROTOCOL \
+   {0xc51711e7,0xb4bf,0x404a,{0xbf,0xb8,0x0a,0x04, 0x8e,0xf1,0xff,0xe4}}
+
+#define EFI_IP4_PROTOCOL \
+    {0x41d94cd2,0x35b6,0x455a,{0x82,0x58,0xd4,0xe5,0x13,0x34,0xaa,0xdd}}
+
+#define EFI_IP6_SERVICE_BINDING_PROTOCOL \
+    {0xec835dd3,0xfe0f,0x617b,{0xa6,0x21,0xb3,0x50,0xc3,0xe1,0x33,0x88}}
+
+#define EFI_IP6_PROTOCOL \
+    {0x2c8759d5,0x5c2d,0x66ef,{0x92,0x5f,0xb6,0x6c,0x10,0x19,0x57,0xe2}}
+
+INTERFACE_DECL(_EFI_IP4);
+INTERFACE_DECL(_EFI_IP6);
+
+typedef struct {
+    EFI_HANDLE       InstanceHandle;
+    EFI_IPv4_ADDRESS Ip4Address;
+    EFI_IPv4_ADDRESS SubnetMask;
+} EFI_IP4_ADDRESS_PAIR;
+
+typedef struct {
+    EFI_HANDLE           DriverHandle;
+    UINT32               AddressCount;
+    EFI_IP4_ADDRESS_PAIR AddressPairs[1];
+} EFI_IP4_VARIABLE_DATA;
+
+typedef struct {
+    UINT8            DefaultProtocol;
+    BOOLEAN          AcceptAnyProtocol;
+    BOOLEAN          AcceptIcmpErrors;
+    BOOLEAN          AcceptBroadcast;
+    BOOLEAN          AcceptPromiscuous;
+    BOOLEAN          UseDefaultAddress;
+    EFI_IPv4_ADDRESS StationAddress;
+    EFI_IPv4_ADDRESS SubnetMask;
+    UINT8            TypeOfService;
+    UINT8            TimeToLive;
+    BOOLEAN          DoNotFragment;
+    BOOLEAN          RawData;
+    UINT32           ReceiveTimeout;
+    UINT32           TransmitTimeout;
+} EFI_IP4_CONFIG_DATA;
+
+typedef struct {
+    EFI_IPv4_ADDRESS SubnetAddress;
+    EFI_IPv4_ADDRESS SubnetMask;
+    EFI_IPv4_ADDRESS GatewayAddress;
+} EFI_IP4_ROUTE_TABLE;
+
+typedef struct {
+    UINT8 Type;
+    UINT8 Code;
+} EFI_IP4_ICMP_TYPE;
+
+typedef struct {
+    BOOLEAN             IsStarted;
+    UINT32              MaxPacketSize;
+    EFI_IP4_CONFIG_DATA ConfigData;
+    BOOLEAN             IsConfigured;
+    UINT32              GroupCount;
+    EFI_IPv4_ADDRESS    *GroupTable;
+    UINT32              RouteCount;
+    EFI_IP4_ROUTE_TABLE *RouteTable;
+    UINT32              IcmpTypeCount;
+    EFI_IP4_ICMP_TYPE   *IcmpTypeList;
+} EFI_IP4_MODE_DATA;
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_IP4_GET_MODE_DATA) (
+    IN struct _EFI_IP4                  *This,
+    OUT EFI_IP4_MODE_DATA               *Ip4ModeData   OPTIONAL,
+    OUT EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData OPTIONAL,
+    OUT EFI_SIMPLE_NETWORK_MODE         *SnpModeData   OPTIONAL
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_IP4_CONFIGURE) (
+    IN struct _EFI_IP4     *This,
+    IN EFI_IP4_CONFIG_DATA *IpConfigData OPTIONAL
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_IP4_GROUPS) (
+    IN struct _EFI_IP4  *This,
+    IN BOOLEAN          JoinFlag,
+    IN EFI_IPv4_ADDRESS *GroupAddress OPTIONAL
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_IP4_ROUTES) (
+    IN struct _EFI_IP4  *This,
+    IN BOOLEAN          DeleteRoute,
+    IN EFI_IPv4_ADDRESS *SubnetAddress,
+    IN EFI_IPv4_ADDRESS *SubnetMask,
+    IN EFI_IPv4_ADDRESS *GatewayAddress
+    );
+
+#pragma pack(1)
+typedef struct {
+    UINT8            HeaderLength:4;
+    UINT8            Version:4;
+    UINT8            TypeOfService;
+    UINT16           TotalLength;
+    UINT16           Identification;
+    UINT16           Fragmentation;
+    UINT8            TimeToLive;
+    UINT8            Protocol;
+    UINT16           Checksum;
+    EFI_IPv4_ADDRESS SourceAddress;
+    EFI_IPv4_ADDRESS DestinationAddress;
+} EFI_IP4_HEADER;
+#pragma pack()
+
+typedef struct {
+    UINT32 FragmentLength;
+    VOID   *FragmentBuffer;
+} EFI_IP4_FRAGMENT_DATA;
+
+typedef struct {
+    EFI_TIME              TimeStamp;
+    EFI_EVENT             RecycleSignal;
+    UINT32                HeaderLength;
+    EFI_IP4_HEADER        *Header;
+    UINT32                OptionsLength;
+    VOID                  *Options;
+    UINT32                DataLength;
+    UINT32                FragmentCount;
+    EFI_IP4_FRAGMENT_DATA FragmentTable[1];
+} EFI_IP4_RECEIVE_DATA;
+
+typedef struct {
+    EFI_IPv4_ADDRESS SourceAddress;
+    EFI_IPv4_ADDRESS GatewayAddress;
+    UINT8            Protocol;
+    UINT8            TypeOfService;
+    UINT8            TimeToLive;
+    BOOLEAN          DoNotFragment;
+} EFI_IP4_OVERRIDE_DATA;
+
+typedef struct {
+    EFI_IPv4_ADDRESS      DestinationAddress;
+    EFI_IP4_OVERRIDE_DATA *OverrideData;
+    UINT32                OptionsLength;
+    VOID                  *OptionsBuffer;
+    UINT32                TotalDataLength;
+    UINT32                FragmentCount;
+    EFI_IP4_FRAGMENT_DATA FragmentTable[1];
+} EFI_IP4_TRANSMIT_DATA;
+
+typedef struct {
+    EFI_EVENT                 Event;
+    EFI_STATUS                Status;
+    union {
+        EFI_IP4_RECEIVE_DATA  *RxData;
+        EFI_IP4_TRANSMIT_DATA *TxData;
+    } Packet;
+} EFI_IP4_COMPLETION_TOKEN;
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_IP4_TRANSMIT) (
+    IN struct _EFI_IP4          *This,
+    IN EFI_IP4_COMPLETION_TOKEN *Token
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_IP4_RECEIVE) (
+    IN struct _EFI_IP4          *This,
+    IN EFI_IP4_COMPLETION_TOKEN *Token
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_IP4_CANCEL)(
+    IN struct _EFI_IP4          *This,
+    IN EFI_IP4_COMPLETION_TOKEN *Token OPTIONAL
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_IP4_POLL) (
+    IN struct _EFI_IP4 *This
+    );
+
+typedef struct _EFI_IP4 {
+    EFI_IP4_GET_MODE_DATA GetModeData;
+    EFI_IP4_CONFIGURE     Configure;
+    EFI_IP4_GROUPS        Groups;
+    EFI_IP4_ROUTES        Routes;
+    EFI_IP4_TRANSMIT      Transmit;
+    EFI_IP4_RECEIVE       Receive;
+    EFI_IP4_CANCEL        Cancel;
+    EFI_IP4_POLL          Poll;
+} EFI_IP4;
+
+typedef struct {
+    UINT8            DefaultProtocol;
+    BOOLEAN          AcceptAnyProtocol;
+    BOOLEAN          AcceptIcmpErrors;
+    BOOLEAN          AcceptPromiscuous;
+    EFI_IPv6_ADDRESS DestinationAddress;
+    EFI_IPv6_ADDRESS StationAddress;
+    UINT8            TrafficClass;
+    UINT8            HopLimit;
+    UINT32           FlowLabel;
+    UINT32           ReceiveTimeout;
+    UINT32           TransmitTimeout;
+} EFI_IP6_CONFIG_DATA;
+
+typedef struct {
+    EFI_IPv6_ADDRESS Address;
+    UINT8            PrefixLength;
+} EFI_IP6_ADDRESS_INFO;
+
+typedef struct {
+    EFI_IPv6_ADDRESS Gateway;
+    EFI_IPv6_ADDRESS Destination;
+    UINT8            PrefixLength;
+} EFI_IP6_ROUTE_TABLE;
+
+typedef enum {
+    EfiNeighborInComplete,
+    EfiNeighborReachable,
+    EfiNeighborStale,
+    EfiNeighborDelay,
+    EfiNeighborProbe
+} EFI_IP6_NEIGHBOR_STATE;
+
+typedef struct {
+    EFI_IPv6_ADDRESS       Neighbor;
+    EFI_MAC_ADDRESS        LinkAddress;
+    EFI_IP6_NEIGHBOR_STATE State;
+} EFI_IP6_NEIGHBOR_CACHE;
+
+typedef struct {
+    UINT8 Type;
+    UINT8 Code;
+} EFI_IP6_ICMP_TYPE;
+
+//***********************************************************
+// ICMPv6 type definitions for error messages
+//***********************************************************
+#define ICMP_V6_DEST_UNREACHABLE     0x1
+#define ICMP_V6_PACKET_TOO_BIG       0x2
+#define ICMP_V6_TIME_EXCEEDED        0x3
+#define ICMP_V6_PARAMETER_PROBLEM    0x4
+
+//***********************************************************
+// ICMPv6 type definition for informational messages
+//***********************************************************
+#define ICMP_V6_ECHO_REQUEST         0x80
+#define ICMP_V6_ECHO_REPLY           0x81
+#define ICMP_V6_LISTENER_QUERY       0x82
+#define ICMP_V6_LISTENER_REPORT      0x83
+#define ICMP_V6_LISTENER_DONE        0x84
+#define ICMP_V6_ROUTER_SOLICIT       0x85
+#define ICMP_V6_ROUTER_ADVERTISE     0x86
+#define ICMP_V6_NEIGHBOR_SOLICIT     0x87
+#define ICMP_V6_NEIGHBOR_ADVERTISE   0x88
+#define ICMP_V6_REDIRECT             0x89
+#define ICMP_V6_LISTENER_REPORT_2    0x8F
+
+//***********************************************************
+// ICMPv6 code definitions for ICMP_V6_DEST_UNREACHABLE
+//***********************************************************
+#define ICMP_V6_NO_ROUTE_TO_DEST     0x0
+#define ICMP_V6_COMM_PROHIBITED      0x1
+#define ICMP_V6_BEYOND_SCOPE         0x2
+#define ICMP_V6_ADDR_UNREACHABLE     0x3
+#define ICMP_V6_PORT_UNREACHABLE     0x4
+#define ICMP_V6_SOURCE_ADDR_FAILED   0x5
+#define ICMP_V6_ROUTE_REJECTED       0x6
+
+//***********************************************************
+// ICMPv6 code definitions for ICMP_V6_TIME_EXCEEDED
+//***********************************************************
+#define ICMP_V6_TIMEOUT_HOP_LIMIT    0x0
+#define ICMP_V6_TIMEOUT_REASSEMBLE   0x1
+
+//***********************************************************
+// ICMPv6 code definitions for ICMP_V6_PARAMETER_PROBLEM
+//***********************************************************
+#define ICMP_V6_ERRONEOUS_HEADER     0x0
+#define ICMP_V6_UNRECOGNIZE_NEXT_HDR 0x1
+#define ICMP_V6_UNRECOGNIZE_OPTION   0x2
+
+typedef struct {
+    BOOLEAN                IsStarted;
+    UINT32                 MaxPacketSize;
+    EFI_IP6_CONFIG_DATA    ConfigData;
+    BOOLEAN                IsConfigured;
+    UINT32                 AddressCount;
+    EFI_IP6_ADDRESS_INFO   *AddressList;
+    UINT32                 GroupCount;
+    EFI_IPv6_ADDRESS       *GroupTable;
+    UINT32                 RouteCount;
+    EFI_IP6_ROUTE_TABLE    *RouteTable;
+    UINT32                 NeighborCount;
+    EFI_IP6_NEIGHBOR_CACHE *NeighborCache;
+    UINT32                 PrefixCount;
+    EFI_IP6_ADDRESS_INFO   *PrefixTable;
+    UINT32                 IcmpTypeCount;
+    EFI_IP6_ICMP_TYPE      *IcmpTypeList;
+} EFI_IP6_MODE_DATA;
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_IP6_GET_MODE_DATA) (
+    IN struct _EFI_IP6                  *This,
+    OUT EFI_IP6_MODE_DATA               *Ip6ModeData   OPTIONAL,
+    OUT EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData OPTIONAL,
+    OUT EFI_SIMPLE_NETWORK_MODE         *SnpModeData   OPTIONAL
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_IP6_CONFIGURE) (
+    IN struct _EFI_IP6     *This,
+    IN EFI_IP6_CONFIG_DATA *Ip6ConfigData OPTIONAL
+    );
+typedef
+EFI_STATUS
+(EFIAPI *EFI_IP6_GROUPS) (
+    IN struct _EFI_IP6  *This,
+    IN BOOLEAN          JoinFlag,
+    IN EFI_IPv6_ADDRESS *GroupAddress OPTIONAL
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_IP6_ROUTES) (
+    IN struct _EFI_IP6  *This,
+    IN BOOLEAN          DeleteRoute,
+    IN EFI_IPv6_ADDRESS *Destination    OPTIONAL,
+    IN UINT8            PrefixLength,
+    IN EFI_IPv6_ADDRESS *GatewayAddress OPTIONAL
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_IP6_NEIGHBORS) (
+    IN struct _EFI_IP6  *This,
+    IN BOOLEAN          DeleteFlag,
+    IN EFI_IPv6_ADDRESS *TargetIp6Address,
+    IN EFI_MAC_ADDRESS  *TargetLinkAddress OPTIONAL,
+    IN UINT32           Timeout,
+    IN BOOLEAN          Override
+    );
+
+typedef struct _EFI_IP6_FRAGMENT_DATA {
+    UINT32 FragmentLength;
+    VOID   *FragmentBuffer;
+} EFI_IP6_FRAGMENT_DATA;
+
+typedef struct _EFI_IP6_OVERRIDE_DATA {
+    UINT8  Protocol;
+    UINT8  HopLimit;
+    UINT32 FlowLabel;
+} EFI_IP6_OVERRIDE_DATA;
+
+typedef struct _EFI_IP6_TRANSMIT_DATA {
+    EFI_IPv6_ADDRESS      DestinationAddress;
+    EFI_IP6_OVERRIDE_DATA *OverrideData;
+    UINT32                ExtHdrsLength;
+    VOID                  *ExtHdrs;
+    UINT8                 NextHeader;
+    UINT32                DataLength;
+    UINT32                FragmentCount;
+    EFI_IP6_FRAGMENT_DATA FragmentTable[1];
+} EFI_IP6_TRANSMIT_DATA;
+
+#pragma pack(1)
+typedef struct _EFI_IP6_HEADER {
+    UINT8            TrafficClassH:4;
+    UINT8            Version:4;
+    UINT8            FlowLabelH:4;
+    UINT8            TrafficClassL:4;
+    UINT16           FlowLabelL;
+    UINT16           PayloadLength;
+    UINT8            NextHeader;
+    UINT8            HopLimit;
+    EFI_IPv6_ADDRESS SourceAddress;
+    EFI_IPv6_ADDRESS DestinationAddress;
+} EFI_IP6_HEADER;
+#pragma pack()
+
+typedef struct _EFI_IP6_RECEIVE_DATA {
+    EFI_TIME              TimeStamp;
+    EFI_EVENT             RecycleSignal;
+    UINT32                HeaderLength;
+    EFI_IP6_HEADER        *Header;
+    UINT32                DataLength;
+    UINT32                FragmentCount;
+    EFI_IP6_FRAGMENT_DATA FragmentTable[1];
+} EFI_IP6_RECEIVE_DATA;
+
+typedef struct {
+    EFI_EVENT                 Event;
+    EFI_STATUS                Status;
+    union {
+	EFI_IP6_RECEIVE_DATA  *RxData;
+	EFI_IP6_TRANSMIT_DATA *TxData;
+    }                         Packet;
+} EFI_IP6_COMPLETION_TOKEN;
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_IP6_TRANSMIT) (
+    IN struct _EFI_IP6          *This,
+    IN EFI_IP6_COMPLETION_TOKEN *Token
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_IP6_RECEIVE) (
+    IN struct _EFI_IP6          *This,
+    IN EFI_IP6_COMPLETION_TOKEN *Token
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_IP6_CANCEL)(
+    IN struct _EFI_IP6          *This,
+    IN EFI_IP6_COMPLETION_TOKEN *Token OPTIONAL
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_IP6_POLL) (
+    IN struct _EFI_IP6 *This
+    );
+
+typedef struct _EFI_IP6 {
+    EFI_IP6_GET_MODE_DATA GetModeData;
+    EFI_IP6_CONFIGURE     Configure;
+    EFI_IP6_GROUPS        Groups;
+    EFI_IP6_ROUTES        Routes;
+    EFI_IP6_NEIGHBORS     Neighbors;
+    EFI_IP6_TRANSMIT      Transmit;
+    EFI_IP6_RECEIVE       Receive;
+    EFI_IP6_CANCEL        Cancel;
+    EFI_IP6_POLL          Poll;
+} EFI_IP6;
+
+#endif /* _EFI_IP_H */

src/include/efi/efilink.h

@@ -0,0 +1,177 @@
+#ifndef _EFI_LINK_H
+#define _EFI_LINK_H
+
+/*++
+
+Copyright (c) 1998  Intel Corporation
+
+Module Name:
+
+    link.h (renamed efilink.h to avoid conflicts)
+
+Abstract:
+
+    EFI link list macro's
+
+
+
+Revision History
+
+--*/
+
+#ifndef EFI_NT_EMUL
+
+//
+// List entry - doubly linked list
+//
+
+typedef struct _LIST_ENTRY {
+    struct _LIST_ENTRY  *Flink;
+    struct _LIST_ENTRY  *Blink;
+} LIST_ENTRY;
+
+#endif 
+
+
+//
+//  VOID
+//  InitializeListHead(
+//      LIST_ENTRY *ListHead
+//      );
+//
+
+#define InitializeListHead(ListHead) \
+    (ListHead)->Flink = ListHead;    \
+    (ListHead)->Blink = ListHead;
+
+//
+//  BOOLEAN
+//  IsListEmpty(
+//      PLIST_ENTRY ListHead
+//      );
+//
+
+#define IsListEmpty(ListHead) \
+    ((ListHead)->Flink == (ListHead))
+
+//
+//  VOID
+//  RemoveEntryList(
+//      PLIST_ENTRY Entry
+//      );
+//
+
+#define _RemoveEntryList(Entry) {       \
+        LIST_ENTRY *_Blink, *_Flink;    \
+        _Flink = (Entry)->Flink;        \
+        _Blink = (Entry)->Blink;        \
+        _Blink->Flink = _Flink;         \
+        _Flink->Blink = _Blink;         \
+        }
+
+#if EFI_DEBUG
+    #define RemoveEntryList(Entry)                      \
+        _RemoveEntryList(Entry);                        \
+        (Entry)->Flink = (LIST_ENTRY *) BAD_POINTER;    \
+        (Entry)->Blink = (LIST_ENTRY *) BAD_POINTER; 
+#else
+    #define RemoveEntryList(Entry)      \
+        _RemoveEntryList(Entry);
+#endif
+
+//
+//  VOID
+//  InsertTailList(
+//      PLIST_ENTRY ListHead,
+//      PLIST_ENTRY Entry
+//      );
+//
+
+#define InsertTailList(ListHead,Entry) {\
+    LIST_ENTRY *_ListHead, *_Blink;     \
+    _ListHead = (ListHead);             \
+    _Blink = _ListHead->Blink;          \
+    (Entry)->Flink = _ListHead;         \
+    (Entry)->Blink = _Blink;            \
+    _Blink->Flink = (Entry);            \
+    _ListHead->Blink = (Entry);         \
+    }
+
+//
+//  VOID
+//  InsertHeadList(
+//      PLIST_ENTRY ListHead,
+//      PLIST_ENTRY Entry
+//      );
+//
+
+#define InsertHeadList(ListHead,Entry) {\
+    LIST_ENTRY *_ListHead, *_Flink;     \
+    _ListHead = (ListHead);             \
+    _Flink = _ListHead->Flink;          \
+    (Entry)->Flink = _Flink;            \
+    (Entry)->Blink = _ListHead;         \
+    _Flink->Blink = (Entry);            \
+    _ListHead->Flink = (Entry);         \
+    }
+
+//  VOID
+//  SwapListEntries(
+//      PLIST_ENTRY Entry1,
+//      PLIST_ENTRY Entry2
+//      );
+//
+// Put Entry2 before Entry1
+//
+#define SwapListEntries(Entry1,Entry2) {\
+    LIST_ENTRY *Entry1Flink, *Entry1Blink;     \
+    LIST_ENTRY *Entry2Flink, *Entry2Blink;     \
+    Entry2Flink = (Entry2)->Flink;             \
+    Entry2Blink = (Entry2)->Blink;             \
+    Entry1Flink = (Entry1)->Flink;             \
+    Entry1Blink = (Entry1)->Blink;             \
+    Entry2Blink->Flink = Entry2Flink;       \
+    Entry2Flink->Blink = Entry2Blink;        \
+    (Entry2)->Flink = Entry1;               \
+    (Entry2)->Blink = Entry1Blink;          \
+    Entry1Blink->Flink = (Entry2);            \
+    (Entry1)->Blink = (Entry2);             \
+    }
+
+//
+//  EFI_FIELD_OFFSET - returns the byte offset to a field within a structure
+//
+
+#define EFI_FIELD_OFFSET(TYPE,Field) ((UINTN)(intptr_t)(&(((TYPE *) 0)->Field)))
+
+//
+//  CONTAINING_RECORD - returns a pointer to the structure
+//      from one of it's elements.
+//
+
+#define _CR(Record, TYPE, Field)  \
+    ((TYPE *) ( (CHAR8 *)(Record) - (CHAR8 *) &(((TYPE *) 0)->Field)))
+
+#if EFI_DEBUG
+    #define CR(Record, TYPE, Field, Sig)     \
+        _CR(Record, TYPE, Field)->Signature != Sig ?        \
+            (TYPE *) ASSERT_STRUCT(_CR(Record, TYPE, Field), Record) : \
+            _CR(Record, TYPE, Field)
+#else
+    #define CR(Record, TYPE, Field, Signature)   \
+        _CR(Record, TYPE, Field)                           
+#endif
+
+
+//
+// A lock structure
+//
+
+typedef struct _FLOCK {
+    EFI_TPL     Tpl;
+    EFI_TPL     OwnerTpl;
+    UINTN       Lock;
+} FLOCK;
+
+#endif
+