First steps: include Limine, kernel entry point, framebuffer request
This commit is contained in:
5
.gitignore
vendored
Normal file
5
.gitignore
vendored
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@@ -0,0 +1,5 @@
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limine
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kernel
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iso_root
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*.o
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*.iso
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29
Makefile
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29
Makefile
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@@ -0,0 +1,29 @@
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build:
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rm -f *.o
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x86_64-elf-gcc -c -I src src/kmain.c -Wall -Wextra -std=gnu99 -nostdlib -ffreestanding -fno-stack-protector -fno-stack-check -fno-PIC -ffunction-sections -fdata-sections
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x86_64-elf-ld -o kernel -T linker.ld *.o
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limine/limine:
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rm -rf limine
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git clone https://github.com/limine-bootloader/limine.git --branch=v9.x-binary --depth=1
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$(MAKE) -C limine
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build-iso: limine/limine build
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rm -rf iso_root
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mkdir -p iso_root/boot
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cp -v kernel iso_root/boot
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mkdir -p iso_root/boot/limine
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cp -v limine.conf iso_root/boot/limine
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mkdir -p iso_root/EFI/BOOT
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cp -v limine/limine-bios.sys limine/limine-bios-cd.bin limine/limine-uefi-cd.bin iso_root/boot/limine/
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cp -v limine/BOOTX64.EFI iso_root/EFI/BOOT/
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cp -v limine/BOOTIA32.EFI iso_root/EFI/BOOT/
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xorriso -as mkisofs -R -r -J -b boot/limine/limine-bios-cd.bin \
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-no-emul-boot -boot-load-size 4 -boot-info-table -hfsplus \
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-apm-block-size 2048 --efi-boot boot/limine/limine-uefi-cd.bin \
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-efi-boot-part --efi-boot-image --protective-msdos-label \
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iso_root -o kernel.iso
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./limine/limine bios-install kernel.iso
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clean:
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rm -rf *.o kernel iso_root kernel.iso limine
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@@ -1,3 +1,11 @@
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# pepperOS
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will never be done
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To compile the kernel and make an ISO image file:
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```
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make build-iso
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```
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Then it can be run with `qemu-system-x86_64 kernel.iso`.
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6
limine.conf
Normal file
6
limine.conf
Normal file
@@ -0,0 +1,6 @@
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timeout: 3
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/PepperOS
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protocol: limine
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path: boot():/boot/kernel
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50
linker.ld
Normal file
50
linker.ld
Normal file
@@ -0,0 +1,50 @@
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OUTPUT_FORMAT(elf64-x86-64)
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ENTRY(kmain)
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PHDRS
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{
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limine_requests PT_LOAD;
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text PT_LOAD;
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rodata PT_LOAD;
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data PT_LOAD;
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}
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SECTIONS
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{
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. = 0xffffffff80000000;
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.limine_requests : {
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KEEP(*(.limine_requests_start))
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KEEP(*(.limine_requests))
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KEEP(*(.limine_requests_end))
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} :limine_requests
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. = ALIGN(CONSTANT(MAXPAGESIZE));
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.text : {
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*(.text .text.*)
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} :text
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. = ALIGN(CONSTANT(MAXPAGESIZE));
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.rodata : {
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*(.rodata .rodata.*)
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} :rodata
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. = ALIGN(CONSTANT(MAXPAGESIZE));
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.data : {
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*(.data .data.*)
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} :data
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.bss : {
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*(.bss .bss.*)
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*(COMMON)
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} :data
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/DISCARD/ : {
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*(.eh_frame*)
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*(.note .note.*)
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}
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}
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116
src/kmain.c
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116
src/kmain.c
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@@ -0,0 +1,116 @@
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#include <stdbool.h>
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#include <stddef.h>
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#include <limine.h>
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// Limine version used
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__attribute__((used, section(".limine_requests")))
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static volatile LIMINE_BASE_REVISION(3);
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// Framebuffer request
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__attribute__((used, section(".limine_requests")))
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static volatile struct limine_framebuffer_request framebuffer_request = {
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.id = LIMINE_FRAMEBUFFER_REQUEST,
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.revision = 0
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};
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__attribute__((used, section(".limine_requests_start")))
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static volatile LIMINE_REQUESTS_START_MARKER;
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__attribute__((used, section(".limine_requests_end")))
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static volatile LIMINE_REQUESTS_END_MARKER;
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// We won't be linked to standard library, but still need the basic mem* functions
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// so everything goes allright with the compiler
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// We use the "restrict" keyword on pointers so that the compiler knows it can
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// do more optimization on them (and as it's a much used function, it's good to
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// be able to do that)
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void* memcpy(void* restrict dest, const void* restrict src, size_t n)
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{
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uint8_t* restrict pdest = (uint8_t* restrict)dest;
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const uint8_t* restrict psrc = (const uint8_t* restrict)src;
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for (size_t i=0; i<n; i++)
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{
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pdest[i] = psrc[i];
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}
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return dest;
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}
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void* memset(void* s, int c, size_t n)
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{
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uint8_t* p = (uint8_t*)s;
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for (size_t i=0; i<n; i++)
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{
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p[i] = (uint8_t)c;
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}
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return s;
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}
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void* memmove(void *dest, const void* src, size_t n)
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{
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uint8_t* pdest = (uint8_t*)dest;
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const uint8_t* psrc = (uint8_t*)src;
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if (src > dest)
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{
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for (size_t i=0; i<n; i++)
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{
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pdest[i] = psrc[i];
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}
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} else if (src < dest)
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{
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for (size_t i=n; i>0; i--)
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{
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pdest[i-1] = psrc[i-1];
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}
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}
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return dest;
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}
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int memcmp(const void* s1, const void* s2, size_t n)
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{
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const uint8_t* p1 = (const uint8_t*)s1;
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const uint8_t* p2 = (const uint8_t*)s2;
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for (size_t i=0; i<n; i++)
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{
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if (p1[i] != p2[i])
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{
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return p1[i] < p2[i] ? -1 : 1;
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}
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}
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return 0;
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}
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// Panic
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static void hcf()
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{
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for (;;)
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{
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asm("hlt");
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}
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}
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// This is our entry point
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void kmain()
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{
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if (!LIMINE_BASE_REVISION_SUPPORTED) hcf();
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if (framebuffer_request.response == NULL || framebuffer_request.response->framebuffer_count < 1) hcf();
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// Get the first framebuffer from the response
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struct limine_framebuffer* framebuffer = framebuffer_request.response->framebuffers[0];
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// Draw something
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for (size_t i=0; i<100; i++)
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{
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volatile uint32_t* fb_ptr = framebuffer->address;
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fb_ptr[i*(framebuffer->pitch/4) + i] = 0xffffff;
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}
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hcf();
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}
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754
src/limine.h
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754
src/limine.h
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@@ -0,0 +1,754 @@
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/* BSD Zero Clause License */
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/* Copyright (C) 2022-2025 Mintsuki and contributors.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef LIMINE_H
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#define LIMINE_H 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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/* Misc */
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#ifdef LIMINE_NO_POINTERS
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# define LIMINE_PTR(TYPE) uint64_t
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#else
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# define LIMINE_PTR(TYPE) TYPE
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#endif
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#ifndef LIMINE_API_REVISION
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# define LIMINE_API_REVISION 0
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#endif
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#if LIMINE_API_REVISION > 3
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# error "limine.h API revision unsupported"
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#endif
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#ifdef __GNUC__
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# define LIMINE_DEPRECATED __attribute__((__deprecated__))
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# define LIMINE_DEPRECATED_IGNORE_START \
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_Pragma("GCC diagnostic push") \
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_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
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# define LIMINE_DEPRECATED_IGNORE_END \
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_Pragma("GCC diagnostic pop")
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#else
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# define LIMINE_DEPRECATED
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# define LIMINE_DEPRECATED_IGNORE_START
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# define LIMINE_DEPRECATED_IGNORE_END
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#endif
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#define LIMINE_REQUESTS_START_MARKER \
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uint64_t limine_requests_start_marker[4] = { 0xf6b8f4b39de7d1ae, 0xfab91a6940fcb9cf, \
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0x785c6ed015d3e316, 0x181e920a7852b9d9 };
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#define LIMINE_REQUESTS_END_MARKER \
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uint64_t limine_requests_end_marker[2] = { 0xadc0e0531bb10d03, 0x9572709f31764c62 };
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#define LIMINE_REQUESTS_DELIMITER LIMINE_REQUESTS_END_MARKER
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#define LIMINE_BASE_REVISION(N) \
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uint64_t limine_base_revision[3] = { 0xf9562b2d5c95a6c8, 0x6a7b384944536bdc, (N) };
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#define LIMINE_BASE_REVISION_SUPPORTED (limine_base_revision[2] == 0)
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#define LIMINE_LOADED_BASE_REV_VALID (limine_base_revision[1] != 0x6a7b384944536bdc)
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#define LIMINE_LOADED_BASE_REVISION (limine_base_revision[1])
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#define LIMINE_COMMON_MAGIC 0xc7b1dd30df4c8b88, 0x0a82e883a194f07b
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struct limine_uuid {
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uint32_t a;
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uint16_t b;
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uint16_t c;
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uint8_t d[8];
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};
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#define LIMINE_MEDIA_TYPE_GENERIC 0
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#define LIMINE_MEDIA_TYPE_OPTICAL 1
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#define LIMINE_MEDIA_TYPE_TFTP 2
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struct limine_file {
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uint64_t revision;
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LIMINE_PTR(void *) address;
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uint64_t size;
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LIMINE_PTR(char *) path;
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#if LIMINE_API_REVISION >= 3
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LIMINE_PTR(char *) string;
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#else
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LIMINE_PTR(char *) cmdline;
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#endif
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uint32_t media_type;
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uint32_t unused;
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uint32_t tftp_ip;
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uint32_t tftp_port;
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uint32_t partition_index;
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uint32_t mbr_disk_id;
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struct limine_uuid gpt_disk_uuid;
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struct limine_uuid gpt_part_uuid;
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struct limine_uuid part_uuid;
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};
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/* Boot info */
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#define LIMINE_BOOTLOADER_INFO_REQUEST { LIMINE_COMMON_MAGIC, 0xf55038d8e2a1202f, 0x279426fcf5f59740 }
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struct limine_bootloader_info_response {
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uint64_t revision;
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LIMINE_PTR(char *) name;
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LIMINE_PTR(char *) version;
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};
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struct limine_bootloader_info_request {
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uint64_t id[4];
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uint64_t revision;
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LIMINE_PTR(struct limine_bootloader_info_response *) response;
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};
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/* Executable command line */
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#define LIMINE_EXECUTABLE_CMDLINE_REQUEST { LIMINE_COMMON_MAGIC, 0x4b161536e598651e, 0xb390ad4a2f1f303a }
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struct limine_executable_cmdline_response {
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uint64_t revision;
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LIMINE_PTR(char *) cmdline;
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};
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struct limine_executable_cmdline_request {
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uint64_t id[4];
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uint64_t revision;
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LIMINE_PTR(struct limine_executable_cmdline_response *) response;
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};
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/* Firmware type */
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#define LIMINE_FIRMWARE_TYPE_REQUEST { LIMINE_COMMON_MAGIC, 0x8c2f75d90bef28a8, 0x7045a4688eac00c3 }
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#define LIMINE_FIRMWARE_TYPE_X86BIOS 0
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#define LIMINE_FIRMWARE_TYPE_UEFI32 1
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#define LIMINE_FIRMWARE_TYPE_UEFI64 2
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#define LIMINE_FIRMWARE_TYPE_SBI 3
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struct limine_firmware_type_response {
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uint64_t revision;
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uint64_t firmware_type;
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};
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struct limine_firmware_type_request {
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uint64_t id[4];
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uint64_t revision;
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LIMINE_PTR(struct limine_firmware_type_response *) response;
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};
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/* Stack size */
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#define LIMINE_STACK_SIZE_REQUEST { LIMINE_COMMON_MAGIC, 0x224ef0460a8e8926, 0xe1cb0fc25f46ea3d }
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struct limine_stack_size_response {
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uint64_t revision;
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||||
};
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||||
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struct limine_stack_size_request {
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uint64_t id[4];
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uint64_t revision;
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LIMINE_PTR(struct limine_stack_size_response *) response;
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uint64_t stack_size;
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};
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||||
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||||
/* HHDM */
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||||
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||||
#define LIMINE_HHDM_REQUEST { LIMINE_COMMON_MAGIC, 0x48dcf1cb8ad2b852, 0x63984e959a98244b }
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||||
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struct limine_hhdm_response {
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uint64_t revision;
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||||
uint64_t offset;
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||||
};
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||||
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struct limine_hhdm_request {
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||||
uint64_t id[4];
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||||
uint64_t revision;
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||||
LIMINE_PTR(struct limine_hhdm_response *) response;
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||||
};
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||||
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||||
/* Framebuffer */
|
||||
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||||
#define LIMINE_FRAMEBUFFER_REQUEST { LIMINE_COMMON_MAGIC, 0x9d5827dcd881dd75, 0xa3148604f6fab11b }
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||||
#define LIMINE_FRAMEBUFFER_RGB 1
|
||||
|
||||
struct limine_video_mode {
|
||||
uint64_t pitch;
|
||||
uint64_t width;
|
||||
uint64_t height;
|
||||
uint16_t bpp;
|
||||
uint8_t memory_model;
|
||||
uint8_t red_mask_size;
|
||||
uint8_t red_mask_shift;
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||||
uint8_t green_mask_size;
|
||||
uint8_t green_mask_shift;
|
||||
uint8_t blue_mask_size;
|
||||
uint8_t blue_mask_shift;
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||||
};
|
||||
|
||||
struct limine_framebuffer {
|
||||
LIMINE_PTR(void *) address;
|
||||
uint64_t width;
|
||||
uint64_t height;
|
||||
uint64_t pitch;
|
||||
uint16_t bpp;
|
||||
uint8_t memory_model;
|
||||
uint8_t red_mask_size;
|
||||
uint8_t red_mask_shift;
|
||||
uint8_t green_mask_size;
|
||||
uint8_t green_mask_shift;
|
||||
uint8_t blue_mask_size;
|
||||
uint8_t blue_mask_shift;
|
||||
uint8_t unused[7];
|
||||
uint64_t edid_size;
|
||||
LIMINE_PTR(void *) edid;
|
||||
/* Response revision 1 */
|
||||
uint64_t mode_count;
|
||||
LIMINE_PTR(struct limine_video_mode **) modes;
|
||||
};
|
||||
|
||||
struct limine_framebuffer_response {
|
||||
uint64_t revision;
|
||||
uint64_t framebuffer_count;
|
||||
LIMINE_PTR(struct limine_framebuffer **) framebuffers;
|
||||
};
|
||||
|
||||
struct limine_framebuffer_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_framebuffer_response *) response;
|
||||
};
|
||||
|
||||
/* Terminal */
|
||||
|
||||
#define LIMINE_TERMINAL_REQUEST { LIMINE_COMMON_MAGIC, 0xc8ac59310c2b0844, 0xa68d0c7265d38878 }
|
||||
|
||||
#define LIMINE_TERMINAL_CB_DEC 10
|
||||
#define LIMINE_TERMINAL_CB_BELL 20
|
||||
#define LIMINE_TERMINAL_CB_PRIVATE_ID 30
|
||||
#define LIMINE_TERMINAL_CB_STATUS_REPORT 40
|
||||
#define LIMINE_TERMINAL_CB_POS_REPORT 50
|
||||
#define LIMINE_TERMINAL_CB_KBD_LEDS 60
|
||||
#define LIMINE_TERMINAL_CB_MODE 70
|
||||
#define LIMINE_TERMINAL_CB_LINUX 80
|
||||
|
||||
#define LIMINE_TERMINAL_CTX_SIZE ((uint64_t)(-1))
|
||||
#define LIMINE_TERMINAL_CTX_SAVE ((uint64_t)(-2))
|
||||
#define LIMINE_TERMINAL_CTX_RESTORE ((uint64_t)(-3))
|
||||
#define LIMINE_TERMINAL_FULL_REFRESH ((uint64_t)(-4))
|
||||
|
||||
/* Response revision 1 */
|
||||
#define LIMINE_TERMINAL_OOB_OUTPUT_GET ((uint64_t)(-10))
|
||||
#define LIMINE_TERMINAL_OOB_OUTPUT_SET ((uint64_t)(-11))
|
||||
|
||||
#define LIMINE_TERMINAL_OOB_OUTPUT_OCRNL (1 << 0)
|
||||
#define LIMINE_TERMINAL_OOB_OUTPUT_OFDEL (1 << 1)
|
||||
#define LIMINE_TERMINAL_OOB_OUTPUT_OFILL (1 << 2)
|
||||
#define LIMINE_TERMINAL_OOB_OUTPUT_OLCUC (1 << 3)
|
||||
#define LIMINE_TERMINAL_OOB_OUTPUT_ONLCR (1 << 4)
|
||||
#define LIMINE_TERMINAL_OOB_OUTPUT_ONLRET (1 << 5)
|
||||
#define LIMINE_TERMINAL_OOB_OUTPUT_ONOCR (1 << 6)
|
||||
#define LIMINE_TERMINAL_OOB_OUTPUT_OPOST (1 << 7)
|
||||
|
||||
LIMINE_DEPRECATED_IGNORE_START
|
||||
|
||||
struct LIMINE_DEPRECATED limine_terminal;
|
||||
|
||||
typedef void (*limine_terminal_write)(struct limine_terminal *, const char *, uint64_t);
|
||||
typedef void (*limine_terminal_callback)(struct limine_terminal *, uint64_t, uint64_t, uint64_t, uint64_t);
|
||||
|
||||
struct LIMINE_DEPRECATED limine_terminal {
|
||||
uint64_t columns;
|
||||
uint64_t rows;
|
||||
LIMINE_PTR(struct limine_framebuffer *) framebuffer;
|
||||
};
|
||||
|
||||
struct LIMINE_DEPRECATED limine_terminal_response {
|
||||
uint64_t revision;
|
||||
uint64_t terminal_count;
|
||||
LIMINE_PTR(struct limine_terminal **) terminals;
|
||||
LIMINE_PTR(limine_terminal_write) write;
|
||||
};
|
||||
|
||||
struct LIMINE_DEPRECATED limine_terminal_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_terminal_response *) response;
|
||||
LIMINE_PTR(limine_terminal_callback) callback;
|
||||
};
|
||||
|
||||
LIMINE_DEPRECATED_IGNORE_END
|
||||
|
||||
/* Paging mode */
|
||||
|
||||
#define LIMINE_PAGING_MODE_REQUEST { LIMINE_COMMON_MAGIC, 0x95c1a0edab0944cb, 0xa4e5cb3842f7488a }
|
||||
|
||||
#if defined (__x86_64__) || defined (__i386__)
|
||||
#define LIMINE_PAGING_MODE_X86_64_4LVL 0
|
||||
#define LIMINE_PAGING_MODE_X86_64_5LVL 1
|
||||
#define LIMINE_PAGING_MODE_MIN LIMINE_PAGING_MODE_X86_64_4LVL
|
||||
#define LIMINE_PAGING_MODE_DEFAULT LIMINE_PAGING_MODE_X86_64_4LVL
|
||||
#elif defined (__aarch64__)
|
||||
#define LIMINE_PAGING_MODE_AARCH64_4LVL 0
|
||||
#define LIMINE_PAGING_MODE_AARCH64_5LVL 1
|
||||
#define LIMINE_PAGING_MODE_MIN LIMINE_PAGING_MODE_AARCH64_4LVL
|
||||
#define LIMINE_PAGING_MODE_DEFAULT LIMINE_PAGING_MODE_AARCH64_4LVL
|
||||
#elif defined (__riscv) && (__riscv_xlen == 64)
|
||||
#define LIMINE_PAGING_MODE_RISCV_SV39 0
|
||||
#define LIMINE_PAGING_MODE_RISCV_SV48 1
|
||||
#define LIMINE_PAGING_MODE_RISCV_SV57 2
|
||||
#define LIMINE_PAGING_MODE_MIN LIMINE_PAGING_MODE_RISCV_SV39
|
||||
#define LIMINE_PAGING_MODE_DEFAULT LIMINE_PAGING_MODE_RISCV_SV48
|
||||
#elif defined (__loongarch__) && (__loongarch_grlen == 64)
|
||||
#define LIMINE_PAGING_MODE_LOONGARCH64_4LVL 0
|
||||
#define LIMINE_PAGING_MODE_MIN LIMINE_PAGING_MODE_LOONGARCH64_4LVL
|
||||
#define LIMINE_PAGING_MODE_DEFAULT LIMINE_PAGING_MODE_LOONGARCH64_4LVL
|
||||
#else
|
||||
#error Unknown architecture
|
||||
#endif
|
||||
|
||||
struct limine_paging_mode_response {
|
||||
uint64_t revision;
|
||||
uint64_t mode;
|
||||
};
|
||||
|
||||
struct limine_paging_mode_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_paging_mode_response *) response;
|
||||
uint64_t mode;
|
||||
uint64_t max_mode;
|
||||
uint64_t min_mode;
|
||||
};
|
||||
|
||||
/* 5-level paging */
|
||||
|
||||
#define LIMINE_5_LEVEL_PAGING_REQUEST { LIMINE_COMMON_MAGIC, 0x94469551da9b3192, 0xebe5e86db7382888 }
|
||||
|
||||
LIMINE_DEPRECATED_IGNORE_START
|
||||
|
||||
struct LIMINE_DEPRECATED limine_5_level_paging_response {
|
||||
uint64_t revision;
|
||||
};
|
||||
|
||||
struct LIMINE_DEPRECATED limine_5_level_paging_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_5_level_paging_response *) response;
|
||||
};
|
||||
|
||||
LIMINE_DEPRECATED_IGNORE_END
|
||||
|
||||
/* MP */
|
||||
|
||||
#if LIMINE_API_REVISION >= 1
|
||||
# define LIMINE_MP_REQUEST { LIMINE_COMMON_MAGIC, 0x95a67b819a1b857e, 0xa0b61b723b6a73e0 }
|
||||
# define LIMINE_MP(TEXT) limine_mp_##TEXT
|
||||
#else
|
||||
# define LIMINE_SMP_REQUEST { LIMINE_COMMON_MAGIC, 0x95a67b819a1b857e, 0xa0b61b723b6a73e0 }
|
||||
# define LIMINE_MP(TEXT) limine_smp_##TEXT
|
||||
#endif
|
||||
|
||||
struct LIMINE_MP(info);
|
||||
|
||||
typedef void (*limine_goto_address)(struct LIMINE_MP(info) *);
|
||||
|
||||
#if defined (__x86_64__) || defined (__i386__)
|
||||
|
||||
#if LIMINE_API_REVISION >= 1
|
||||
# define LIMINE_MP_X2APIC (1 << 0)
|
||||
#else
|
||||
# define LIMINE_SMP_X2APIC (1 << 0)
|
||||
#endif
|
||||
|
||||
struct LIMINE_MP(info) {
|
||||
uint32_t processor_id;
|
||||
uint32_t lapic_id;
|
||||
uint64_t reserved;
|
||||
LIMINE_PTR(limine_goto_address) goto_address;
|
||||
uint64_t extra_argument;
|
||||
};
|
||||
|
||||
struct LIMINE_MP(response) {
|
||||
uint64_t revision;
|
||||
uint32_t flags;
|
||||
uint32_t bsp_lapic_id;
|
||||
uint64_t cpu_count;
|
||||
LIMINE_PTR(struct LIMINE_MP(info) **) cpus;
|
||||
};
|
||||
|
||||
#elif defined (__aarch64__)
|
||||
|
||||
struct LIMINE_MP(info) {
|
||||
uint32_t processor_id;
|
||||
uint32_t reserved1;
|
||||
uint64_t mpidr;
|
||||
uint64_t reserved;
|
||||
LIMINE_PTR(limine_goto_address) goto_address;
|
||||
uint64_t extra_argument;
|
||||
};
|
||||
|
||||
struct LIMINE_MP(response) {
|
||||
uint64_t revision;
|
||||
uint64_t flags;
|
||||
uint64_t bsp_mpidr;
|
||||
uint64_t cpu_count;
|
||||
LIMINE_PTR(struct LIMINE_MP(info) **) cpus;
|
||||
};
|
||||
|
||||
#elif defined (__riscv) && (__riscv_xlen == 64)
|
||||
|
||||
struct LIMINE_MP(info) {
|
||||
uint64_t processor_id;
|
||||
uint64_t hartid;
|
||||
uint64_t reserved;
|
||||
LIMINE_PTR(limine_goto_address) goto_address;
|
||||
uint64_t extra_argument;
|
||||
};
|
||||
|
||||
struct LIMINE_MP(response) {
|
||||
uint64_t revision;
|
||||
uint64_t flags;
|
||||
uint64_t bsp_hartid;
|
||||
uint64_t cpu_count;
|
||||
LIMINE_PTR(struct LIMINE_MP(info) **) cpus;
|
||||
};
|
||||
|
||||
#elif defined (__loongarch__) && (__loongarch_grlen == 64)
|
||||
|
||||
struct LIMINE_MP(info) {
|
||||
uint64_t reserved;
|
||||
};
|
||||
|
||||
struct LIMINE_MP(response) {
|
||||
uint64_t cpu_count;
|
||||
LIMINE_PTR(struct LIMINE_MP(info) **) cpus;
|
||||
};
|
||||
|
||||
#else
|
||||
#error Unknown architecture
|
||||
#endif
|
||||
|
||||
struct LIMINE_MP(request) {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct LIMINE_MP(response) *) response;
|
||||
uint64_t flags;
|
||||
};
|
||||
|
||||
/* Memory map */
|
||||
|
||||
#define LIMINE_MEMMAP_REQUEST { LIMINE_COMMON_MAGIC, 0x67cf3d9d378a806f, 0xe304acdfc50c3c62 }
|
||||
|
||||
#define LIMINE_MEMMAP_USABLE 0
|
||||
#define LIMINE_MEMMAP_RESERVED 1
|
||||
#define LIMINE_MEMMAP_ACPI_RECLAIMABLE 2
|
||||
#define LIMINE_MEMMAP_ACPI_NVS 3
|
||||
#define LIMINE_MEMMAP_BAD_MEMORY 4
|
||||
#define LIMINE_MEMMAP_BOOTLOADER_RECLAIMABLE 5
|
||||
#if LIMINE_API_REVISION >= 2
|
||||
# define LIMINE_MEMMAP_EXECUTABLE_AND_MODULES 6
|
||||
#else
|
||||
# define LIMINE_MEMMAP_KERNEL_AND_MODULES 6
|
||||
#endif
|
||||
#define LIMINE_MEMMAP_FRAMEBUFFER 7
|
||||
|
||||
struct limine_memmap_entry {
|
||||
uint64_t base;
|
||||
uint64_t length;
|
||||
uint64_t type;
|
||||
};
|
||||
|
||||
struct limine_memmap_response {
|
||||
uint64_t revision;
|
||||
uint64_t entry_count;
|
||||
LIMINE_PTR(struct limine_memmap_entry **) entries;
|
||||
};
|
||||
|
||||
struct limine_memmap_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_memmap_response *) response;
|
||||
};
|
||||
|
||||
/* Entry point */
|
||||
|
||||
#define LIMINE_ENTRY_POINT_REQUEST { LIMINE_COMMON_MAGIC, 0x13d86c035a1cd3e1, 0x2b0caa89d8f3026a }
|
||||
|
||||
typedef void (*limine_entry_point)(void);
|
||||
|
||||
struct limine_entry_point_response {
|
||||
uint64_t revision;
|
||||
};
|
||||
|
||||
struct limine_entry_point_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_entry_point_response *) response;
|
||||
LIMINE_PTR(limine_entry_point) entry;
|
||||
};
|
||||
|
||||
/* Executable File */
|
||||
|
||||
#if LIMINE_API_REVISION >= 2
|
||||
# define LIMINE_EXECUTABLE_FILE_REQUEST { LIMINE_COMMON_MAGIC, 0xad97e90e83f1ed67, 0x31eb5d1c5ff23b69 }
|
||||
#else
|
||||
# define LIMINE_KERNEL_FILE_REQUEST { LIMINE_COMMON_MAGIC, 0xad97e90e83f1ed67, 0x31eb5d1c5ff23b69 }
|
||||
#endif
|
||||
|
||||
#if LIMINE_API_REVISION >= 2
|
||||
struct limine_executable_file_response {
|
||||
#else
|
||||
struct limine_kernel_file_response {
|
||||
#endif
|
||||
uint64_t revision;
|
||||
#if LIMINE_API_REVISION >= 2
|
||||
LIMINE_PTR(struct limine_file *) executable_file;
|
||||
#else
|
||||
LIMINE_PTR(struct limine_file *) kernel_file;
|
||||
#endif
|
||||
};
|
||||
|
||||
#if LIMINE_API_REVISION >= 2
|
||||
struct limine_executable_file_request {
|
||||
#else
|
||||
struct limine_kernel_file_request {
|
||||
#endif
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
#if LIMINE_API_REVISION >= 2
|
||||
LIMINE_PTR(struct limine_executable_file_response *) response;
|
||||
#else
|
||||
LIMINE_PTR(struct limine_kernel_file_response *) response;
|
||||
#endif
|
||||
};
|
||||
|
||||
/* Module */
|
||||
|
||||
#define LIMINE_MODULE_REQUEST { LIMINE_COMMON_MAGIC, 0x3e7e279702be32af, 0xca1c4f3bd1280cee }
|
||||
|
||||
#define LIMINE_INTERNAL_MODULE_REQUIRED (1 << 0)
|
||||
#define LIMINE_INTERNAL_MODULE_COMPRESSED (1 << 1)
|
||||
|
||||
struct limine_internal_module {
|
||||
LIMINE_PTR(const char *) path;
|
||||
#if LIMINE_API_REVISION >= 3
|
||||
LIMINE_PTR(const char *) string;
|
||||
#else
|
||||
LIMINE_PTR(const char *) cmdline;
|
||||
#endif
|
||||
uint64_t flags;
|
||||
};
|
||||
|
||||
struct limine_module_response {
|
||||
uint64_t revision;
|
||||
uint64_t module_count;
|
||||
LIMINE_PTR(struct limine_file **) modules;
|
||||
};
|
||||
|
||||
struct limine_module_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_module_response *) response;
|
||||
|
||||
/* Request revision 1 */
|
||||
uint64_t internal_module_count;
|
||||
LIMINE_PTR(struct limine_internal_module **) internal_modules;
|
||||
};
|
||||
|
||||
/* RSDP */
|
||||
|
||||
#define LIMINE_RSDP_REQUEST { LIMINE_COMMON_MAGIC, 0xc5e77b6b397e7b43, 0x27637845accdcf3c }
|
||||
|
||||
struct limine_rsdp_response {
|
||||
uint64_t revision;
|
||||
#if LIMINE_API_REVISION >= 1
|
||||
uint64_t address;
|
||||
#else
|
||||
LIMINE_PTR(void *) address;
|
||||
#endif
|
||||
};
|
||||
|
||||
struct limine_rsdp_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_rsdp_response *) response;
|
||||
};
|
||||
|
||||
/* SMBIOS */
|
||||
|
||||
#define LIMINE_SMBIOS_REQUEST { LIMINE_COMMON_MAGIC, 0x9e9046f11e095391, 0xaa4a520fefbde5ee }
|
||||
|
||||
struct limine_smbios_response {
|
||||
uint64_t revision;
|
||||
#if LIMINE_API_REVISION >= 1
|
||||
uint64_t entry_32;
|
||||
uint64_t entry_64;
|
||||
#else
|
||||
LIMINE_PTR(void *) entry_32;
|
||||
LIMINE_PTR(void *) entry_64;
|
||||
#endif
|
||||
};
|
||||
|
||||
struct limine_smbios_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_smbios_response *) response;
|
||||
};
|
||||
|
||||
/* EFI system table */
|
||||
|
||||
#define LIMINE_EFI_SYSTEM_TABLE_REQUEST { LIMINE_COMMON_MAGIC, 0x5ceba5163eaaf6d6, 0x0a6981610cf65fcc }
|
||||
|
||||
struct limine_efi_system_table_response {
|
||||
uint64_t revision;
|
||||
#if LIMINE_API_REVISION >= 1
|
||||
uint64_t address;
|
||||
#else
|
||||
LIMINE_PTR(void *) address;
|
||||
#endif
|
||||
};
|
||||
|
||||
struct limine_efi_system_table_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_efi_system_table_response *) response;
|
||||
};
|
||||
|
||||
/* EFI memory map */
|
||||
|
||||
#define LIMINE_EFI_MEMMAP_REQUEST { LIMINE_COMMON_MAGIC, 0x7df62a431d6872d5, 0xa4fcdfb3e57306c8 }
|
||||
|
||||
struct limine_efi_memmap_response {
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(void *) memmap;
|
||||
uint64_t memmap_size;
|
||||
uint64_t desc_size;
|
||||
uint64_t desc_version;
|
||||
};
|
||||
|
||||
struct limine_efi_memmap_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_efi_memmap_response *) response;
|
||||
};
|
||||
|
||||
/* Date at boot */
|
||||
|
||||
#if LIMINE_API_REVISION >= 3
|
||||
# define LIMINE_DATE_AT_BOOT_REQUEST { LIMINE_COMMON_MAGIC, 0x502746e184c088aa, 0xfbc5ec83e6327893 }
|
||||
#else
|
||||
# define LIMINE_BOOT_TIME_REQUEST { LIMINE_COMMON_MAGIC, 0x502746e184c088aa, 0xfbc5ec83e6327893 }
|
||||
#endif
|
||||
|
||||
#if LIMINE_API_REVISION >= 3
|
||||
struct limine_date_at_boot_response {
|
||||
#else
|
||||
struct limine_boot_time_response {
|
||||
#endif
|
||||
uint64_t revision;
|
||||
#if LIMINE_API_REVISION >= 3
|
||||
int64_t timestamp;
|
||||
#else
|
||||
int64_t boot_time;
|
||||
#endif
|
||||
};
|
||||
|
||||
#if LIMINE_API_REVISION >= 3
|
||||
struct limine_date_at_boot_request {
|
||||
#else
|
||||
struct limine_boot_time_request {
|
||||
#endif
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
#if LIMINE_API_REVISION >= 3
|
||||
LIMINE_PTR(struct limine_date_at_boot_response *) response;
|
||||
#else
|
||||
LIMINE_PTR(struct limine_boot_time_response *) response;
|
||||
#endif
|
||||
};
|
||||
|
||||
/* Executable address */
|
||||
|
||||
#if LIMINE_API_REVISION >= 2
|
||||
# define LIMINE_EXECUTABLE_ADDRESS_REQUEST { LIMINE_COMMON_MAGIC, 0x71ba76863cc55f63, 0xb2644a48c516a487 }
|
||||
#else
|
||||
# define LIMINE_KERNEL_ADDRESS_REQUEST { LIMINE_COMMON_MAGIC, 0x71ba76863cc55f63, 0xb2644a48c516a487 }
|
||||
#endif
|
||||
|
||||
#if LIMINE_API_REVISION >= 2
|
||||
struct limine_executable_address_response {
|
||||
#else
|
||||
struct limine_kernel_address_response {
|
||||
#endif
|
||||
uint64_t revision;
|
||||
uint64_t physical_base;
|
||||
uint64_t virtual_base;
|
||||
};
|
||||
|
||||
#if LIMINE_API_REVISION >= 2
|
||||
struct limine_executable_address_request {
|
||||
#else
|
||||
struct limine_kernel_address_request {
|
||||
#endif
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
#if LIMINE_API_REVISION >= 2
|
||||
LIMINE_PTR(struct limine_executable_address_response *) response;
|
||||
#else
|
||||
LIMINE_PTR(struct limine_kernel_address_response *) response;
|
||||
#endif
|
||||
};
|
||||
|
||||
/* Device Tree Blob */
|
||||
|
||||
#define LIMINE_DTB_REQUEST { LIMINE_COMMON_MAGIC, 0xb40ddb48fb54bac7, 0x545081493f81ffb7 }
|
||||
|
||||
struct limine_dtb_response {
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(void *) dtb_ptr;
|
||||
};
|
||||
|
||||
struct limine_dtb_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_dtb_response *) response;
|
||||
};
|
||||
|
||||
/* RISC-V Boot Hart ID */
|
||||
|
||||
#define LIMINE_RISCV_BSP_HARTID_REQUEST { LIMINE_COMMON_MAGIC, 0x1369359f025525f9, 0x2ff2a56178391bb6 }
|
||||
|
||||
struct limine_riscv_bsp_hartid_response {
|
||||
uint64_t revision;
|
||||
uint64_t bsp_hartid;
|
||||
};
|
||||
|
||||
struct limine_riscv_bsp_hartid_request {
|
||||
uint64_t id[4];
|
||||
uint64_t revision;
|
||||
LIMINE_PTR(struct limine_riscv_bsp_hartid_response *) response;
|
||||
};
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user