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