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Author SHA1 Message Date
Justin C. Miller
2adef874ee [boot] Make sure the kernel entrypoint abi is sysv 
Adding this now because I'm sure I'll forget later. Make sure to
annotate the entrypoint function pointer as `__attribute__((sysv_abi))`
so that it's not called via ms abi like the rest of the loader.
 2020-05-16 18:44:35 -07:00
Justin C. Miller
a6e4995963 [boot] Fix call to exit_boot_services 
Exiting boot services can't actually be done from inside
`bootloader_uefi_main`, because there are objects in that scope that run
code requiring boot services in their destructors.

Also added `support.cpp` with `memcpy` because clang will emit
references to `memcpy` even in freestanding mode.

Added a `debug_break` function to allow for faking breakpoints when
connecting to the bootloader with GDB.

Tags: debug
 2020-05-13 02:08:47 -07:00
Justin C. Miller
2bd91c2d94 [boot] Split get_uefi_mappings and module creation 
The `get_mappings()` function was getting too large, and some of its
output is needed by more than just the building of the kernel map. Split
it out into two.

Tags: boot memory
 2020-05-10 16:43:18 -07:00
Justin C. Miller
c713f4ff6f [boot] Build the kernel mem map from the UEFI one 
Created kernel args memory map structure, looping through UEFI's memory
map to copy and condense.

Tags: boot memory
 2020-05-10 16:26:17 -07:00
Justin C. Miller
21b0b08908 [general] Add a git commit template 
I've been pretty lax with my commit messages despite attempts to
standardize them. Trying out setting a template. This template can be
applied with:

`git config commit.template .git-commit-template`

See: [another template](https://github.com/joelparkerhenderson/git_commit_template)
See: [another template](https://gist.github.com/adeekshith/cd4c95a064977cdc6c50)

Tags: git
 2020-05-10 11:19:33 -07:00
Justin C. Miller
88ace0a99f Fix a bug in print_long_hex() 
Because of order of shifting operations and a literal that defaulted
to int, the high 32 bits were printed incorrectly.
 2020-05-10 02:31:53 -07:00
Justin C. Miller
10c8f6e4b5 Clean and document header files. 
- Add missing doc comments to header files
- Move allocate_kernel_args to main.cpp
- Split functions out into pointer_manipulation.h
 2020-05-10 01:42:22 -07:00
Justin C. Miller
9aa749e877 Parse ELF and load kernel, specify mem types 
* Very bare-bones ELF parsing to load the kernel
* Custom memory type values for allocated memory
 2020-05-09 21:25:45 -07:00
Justin C. Miller
f78a99927a [boot] Add initial stubs for loading kernel ELF 2020-05-02 23:58:41 -07:00
Justin C. Miller
ec794f4f99 Move module loading in main into helper function 2020-03-02 19:43:44 -08:00
Justin C. Miller
884182217c Fix file loading size bug 2020-03-02 19:31:40 -08:00
Justin C. Miller
d94907ae79 Loading files 2020-02-25 22:22:12 -08:00
Justin C. Miller
4accfd136e Add file functionality in fs.cpp 2020-02-24 02:19:15 -08:00
Justin C. Miller
1a223d6ef5 Move args structure allocation to a function in memory.cpp 2020-02-24 02:18:14 -08:00
Justin C. Miller
36b3ad8154 Add an optional context string for status line messges 2020-02-24 02:15:45 -08:00
Justin C. Miller
460973954e Remove utility.* 2020-02-23 18:32:10 -08:00
Justin C. Miller
303a78065e Move find_acpi_table to new hardware.cpp 2020-02-23 18:28:20 -08:00
Justin C. Miller
93f0b70eba Move to RAII-style status_line objects for console status 2020-02-23 17:55:53 -08:00
Justin C. Miller
6f5a2a3d3f Update kernel args to be module-based 
- The old kernel_args structure is now mostly represented as a series of
  'modules' or memory ranges, tagged with a type. An arbitrary number
  can be passed to the kernel
- Update bootloader to allocate space for the args header and 10 module
  descriptors
 2020-02-23 00:07:50 -08:00
Justin C. Miller
ec563ea8e4 Allow multiple calls to console::status_* functions 2020-02-22 17:52:51 -08:00
Justin C. Miller
570638bba6 Don't require system_table in console 2020-02-22 15:47:07 -08:00
Justin C. Miller
f627ea7de0 Re-add functionality to boot with new UEFI headers 
- Pointer fixup event
- ACPI searching
- Move CHECK_* to using try_or_raise()
 2020-02-22 14:57:28 -08:00
Justin C. Miller
521c132801 Back to a basic UEFI stub 2020-02-22 01:54:00 -08:00
Justin C. Miller
bc5115b9ea Removed old UEFI headers 2020-02-22 01:52:49 -08:00
Justin C. Miller
6963304c01 Changing jsix license 
jsix is now licensed under the MPL2.
 2019-10-06 01:37:46 -07:00
Justin C. Miller
ae651a4fcd Move cpptoml.h to external directory 2019-10-06 00:46:30 -07:00
Justin C. Miller
17c2fe6e4e Add debig-exit device to qemu.sh for future tests 2019-10-06 00:29:10 -07:00
Justin C. Miller
f066ac3ffd Move catch.hpp to external directory 2019-10-06 00:01:27 -07:00
Justin C. Miller
edcf633e84 Remove cargo-culted znocombreloc ld flag 2019-08-10 13:49:57 -07:00
Justin C. Miller
d09a454b8b Normalize bootloader's con_debug line endings 2019-07-21 22:29:19 -07:00
Justin C. Miller
d6329ea9bf Update to bonnibel 2.1 2019-07-21 21:10:43 -07:00
Justin C. Miller
83897048ab Update for bonnibel 2.0 2019-07-20 23:19:21 -07:00
Justin C. Miller
7cc59770b8 Update libc for new sysall values via peru 2019-07-07 10:07:00 -07:00
Justin C. Miller
b056d95920 Organize system calls 
* syscalls should all return j6_status_t now
* syscalls are grouped by category in name as well as in files
 2019-07-07 09:54:29 -07:00
Justin C. Miller
19cd01ef8d Add initial pass of syscall API kobjects 2019-07-07 09:54:29 -07:00
Justin C. Miller
b3f88bbe02 Further refine sysroot. 
* remove need for NASM from sysroot
* have peru sync libc separately
 2019-07-07 09:52:06 -07:00
Justin C. Miller
f57f38edbd Remove old ident_page_flags 2019-07-05 20:52:04 -07:00
Justin C. Miller
12377ae730 Ignore .peru 2019-07-05 17:29:56 -07:00
Justin C. Miller
bb93dcef44 Remove sysroot binutils dependency 
* Link host-targeted binaries with lld
 * Add peru script for getting prebuilt sysroot
 * Add readme for prebuilt sysroots
 * Remove non-working build_sysroot_gcc.sh, rename clang version to just
   build_sysroot.sh
 2019-07-05 17:26:24 -07:00
Justin C. Miller
678a12dc90 Ignore .gdb_history 2019-07-04 17:43:42 -07:00
Justin C. Miller
c3dacb2906 Fix mis-flagged page table entries 2019-07-04 17:43:08 -07:00
Justin C. Miller
3a68ec439d Add CPU feature checking. 
Introduces the cpu_features.inc table to enumerate the CPU features that
j6 cares about. Features in this table marked CPU_FEATURE_REQ are
considered required, and the boot process will log an error and halt
when any of these features are not supported. This should save me from
banging my head against the wall like I did last night with the missing
pdpe1gb feature.
 2019-07-04 16:41:25 -07:00
Justin C. Miller
7ce418aabc Fix KVM page faults from lack of 1GB page support 2019-07-04 02:51:50 -07:00
Justin C. Miller
8ee5091f41 update gitignore 2019-07-03 21:55:23 -07:00
Justin C. Miller
6285517ef7 Rename Popcorn to jsix. 
See README.md for more information.
 2019-05-27 14:07:29 -07:00
Justin C. Miller
2b0cd6f2f2 Make qemu.sh work with i3 as well 2019-05-26 10:35:22 -07:00
Justin C. Miller
a653c55941 Use 0 instead of syscall_invalid in syscall jump list 2019-05-18 18:11:08 -07:00
Justin C. Miller
ce035d2a43 Finish address_manager to vm_space transition 2019-05-18 18:06:57 -07:00
Justin C. Miller
2d54eb5143 Add vmem log area 2019-05-11 11:32:22 -07:00
Justin C. Miller
b9c8edb657 Allow clang to colorize output in ninja 2019-04-18 00:28:23 -07:00