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Kumi 2024-01-08 16:27:04 +01:00
commit 9c6a26e03b
Signed by: kumi
GPG key ID: ECBCC9082395383F
7 changed files with 994 additions and 0 deletions
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.gitignore vendored Normal file
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obj/
bin/
iso_root/
image.iso
image.hdd
limine/

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stages:
- build
- package
image: debian:latest
before_script:
- apt update
- apt install -y build-essential gcc mtools git xorriso gdisk make
build_kernel:
stage: build
script:
- make -j$(nproc) bin/kumios
artifacts:
paths:
- bin/kumios
build_iso:
stage: package
script:
- make -j$(nproc) iso
artifacts:
paths:
- bin/kumios.iso

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# Nuke built-in rules and variables.
override MAKEFLAGS += -rR
# This is the name that our final kernel executable will have.
# Change as needed.
override KERNEL := kumios
# Convenience macro to reliably declare user overridable variables.
define DEFAULT_VAR =
ifeq ($(origin $1),default)
override $(1) := $(2)
endif
ifeq ($(origin $1),undefined)
override $(1) := $(2)
endif
endef
# It is suggested to use a custom built cross toolchain to build a kernel.
# We are using the standard "cc" here, it may work by using
# the host system's toolchain, but this is not guaranteed.
override DEFAULT_CC := cc
$(eval $(call DEFAULT_VAR,CC,$(DEFAULT_CC)))
# Same thing for "ld" (the linker).
override DEFAULT_LD := ld
$(eval $(call DEFAULT_VAR,LD,$(DEFAULT_LD)))
# User controllable C flags.
override DEFAULT_CFLAGS := -g -O2 -pipe
$(eval $(call DEFAULT_VAR,CFLAGS,$(DEFAULT_CFLAGS)))
# User controllable C preprocessor flags. We set none by default.
override DEFAULT_CPPFLAGS :=
$(eval $(call DEFAULT_VAR,CPPFLAGS,$(DEFAULT_CPPFLAGS)))
# User controllable nasm flags.
override DEFAULT_NASMFLAGS := -F dwarf -g
$(eval $(call DEFAULT_VAR,NASMFLAGS,$(DEFAULT_NASMFLAGS)))
# User controllable linker flags. We set none by default.
override DEFAULT_LDFLAGS :=
$(eval $(call DEFAULT_VAR,LDFLAGS,$(DEFAULT_LDFLAGS)))
# Internal C flags that should not be changed by the user.
override CFLAGS += \
-Wall \
-Wextra \
-std=gnu11 \
-ffreestanding \
-fno-stack-protector \
-fno-stack-check \
-fno-lto \
-fPIE \
-m64 \
-march=x86-64 \
-mno-80387 \
-mno-mmx \
-mno-sse \
-mno-sse2 \
-mno-red-zone
# Internal C preprocessor flags that should not be changed by the user.
override CPPFLAGS := \
-I src \
$(CPPFLAGS) \
-MMD \
-MP
# Internal linker flags that should not be changed by the user.
override LDFLAGS += \
-m elf_x86_64 \
-nostdlib \
-static \
-pie \
--no-dynamic-linker \
-z text \
-z max-page-size=0x1000 \
-T linker.ld
# Internal nasm flags that should not be changed by the user.
override NASMFLAGS += \
-Wall \
-f elf64
# Use "find" to glob all *.c, *.S, and *.asm files in the tree and obtain the
# object and header dependency file names.
override CFILES := $(shell cd src && find -L * -type f -name '*.c')
override ASFILES := $(shell cd src && find -L * -type f -name '*.S')
override NASMFILES := $(shell cd src && find -L * -type f -name '*.asm')
override OBJ := $(addprefix obj/,$(CFILES:.c=.c.o) $(ASFILES:.S=.S.o) $(NASMFILES:.asm=.asm.o))
override HEADER_DEPS := $(addprefix obj/,$(CFILES:.c=.c.d) $(ASFILES:.S=.S.d))
# Default target.
.PHONY: all
all: bin/$(KERNEL) iso hdd
# Link rules for the final kernel executable.
bin/$(KERNEL): GNUmakefile linker.ld $(OBJ)
mkdir -p "$$(dirname $@)"
$(LD) $(OBJ) $(LDFLAGS) -o $@
# Include header dependencies.
-include $(HEADER_DEPS)
# Compilation rules for *.c files.
obj/%.c.o: src/%.c GNUmakefile
mkdir -p "$$(dirname $@)"
$(CC) $(CFLAGS) $(CPPFLAGS) -c $< -o $@
# Compilation rules for *.S files.
obj/%.S.o: src/%.S GNUmakefile
mkdir -p "$$(dirname $@)"
$(CC) $(CFLAGS) $(CPPFLAGS) -c $< -o $@
# Compilation rules for *.asm (nasm) files.
obj/%.asm.o: src/%.asm GNUmakefile
mkdir -p "$$(dirname $@)"
nasm $(NASMFLAGS) $< -o $@
# Remove object files and the final executable.
.PHONY: clean
clean:
rm -rf bin obj iso_root image.iso image.hdd limine
# The `iso` target builds the bootable ISO image using Limine.
.PHONY: iso
iso: bin/$(KERNEL)
# Clone the Limine repository
git clone https://github.com/limine-bootloader/limine.git --branch=v6.x-branch-binary --depth=1
# Build the Limine bootloader binaries.
$(MAKE) -C limine
# Create the iso_root directory and copy relevant files.
mkdir -p iso_root
cp -v bin/$(KERNEL) limine.cfg limine/limine-bios.sys limine/limine-bios-cd.bin limine/limine-uefi-cd.bin iso_root/
# Create the EFI boot directory and copy EFI executables.
mkdir -p iso_root/EFI/BOOT
cp -v limine/BOOTX64.EFI iso_root/EFI/BOOT/
cp -v limine/BOOTIA32.EFI iso_root/EFI/BOOT/
# Create the bootable ISO.
xorriso -as mkisofs -b limine-bios-cd.bin -no-emul-boot \
-boot-load-size 4 -boot-info-table --efi-boot limine-uefi-cd.bin \
-efi-boot-part --efi-boot-image --protective-msdos-label \
iso_root -o image.iso
# Install Limine stage 1 and 2 for legacy BIOS boot.
./limine/limine bios-install image.iso
mv image.iso bin/$(KERNEL).iso
@echo "Bootable ISO created as bin/$(KERNEL).iso"
# The `hdd` target builds the bootable HDD image using Limine.
.PHONY: hdd
hdd: bin/$(KERNEL)
# Create empty HDD image file.
dd if=/dev/zero bs=1M count=0 seek=64 of=image.hdd
# Create GPT partition.
sgdisk image.hdd -n 1:2048 -t 1:ef00
# Clone Limine if it doesn't already exist.
if [ ! -d "limine" ]; then \
git clone https://github.com/limine-bootloader/limine.git --branch=v6.x-branch-binary --depth=1; \
fi
# Build the Limine bootloader binaries, if not already built.
$(MAKE) -C limine
# Install Limine BIOS stages.
./limine/limine bios-install image.hdd
# Format the partition to fat32 filesystem.
mformat -i image.hdd@@1M -F ::
# Create directory structure in HDD image.
mmd -i image.hdd@@1M ::/EFI ::/EFI/BOOT
# Copy kernel and Limine config over to the HDD image.
mcopy -i image.hdd@@1M bin/$(KERNEL) limine.cfg limine/limine-bios.sys ::/
mcopy -i image.hdd@@1M limine/BOOTX64.EFI ::/EFI/BOOT
mcopy -i image.hdd@@1M limine/BOOTIA32.EFI ::/EFI/BOOT
mv image.hdd bin/$(KERNEL).hdd
@echo "Bootable HDD image created as bin/$(KERNEL).hdd"

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# Timeout in seconds that Limine will use before automatically booting.
TIMEOUT=5
# The entry name that will be displayed in the boot menu.
:myOS (KASLR on)
# We use the Limine boot protocol.
PROTOCOL=limine
# Path to the kernel to boot. boot:/// represents the partition on which limine.cfg is located.
KERNEL_PATH=boot:///myos
# Same thing, but without KASLR.
:myOS (KASLR off)
PROTOCOL=limine
# Disable KASLR (it is enabled by default for relocatable kernels)
KASLR=no
KERNEL_PATH=boot:///myos

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/* Tell the linker that we want an x86_64 ELF64 output file */
OUTPUT_FORMAT(elf64-x86-64)
OUTPUT_ARCH(i386:x86-64)
/* We want the symbol _start to be our entry point */
ENTRY(_start)
/* Define the program headers we want so the bootloader gives us the right */
/* MMU permissions */
PHDRS
{
text PT_LOAD FLAGS((1 << 0) | (1 << 2)) ; /* Execute + Read */
rodata PT_LOAD FLAGS((1 << 2)) ; /* Read only */
data PT_LOAD FLAGS((1 << 1) | (1 << 2)) ; /* Write + Read */
dynamic PT_DYNAMIC FLAGS((1 << 1) | (1 << 2)) ; /* Dynamic PHDR for relocations */
}
SECTIONS
{
/* We wanna be placed in the topmost 2GiB of the address space, for optimisations */
/* and because that is what the Limine spec mandates. */
/* Any address in this region will do, but often 0xffffffff80000000 is chosen as */
/* that is the beginning of the region. */
. = 0xffffffff80000000;
.text : {
*(.text .text.*)
} :text
/* Move to the next memory page for .rodata */
. += CONSTANT(MAXPAGESIZE);
.rodata : {
*(.rodata .rodata.*)
} :rodata
/* Move to the next memory page for .data */
. += CONSTANT(MAXPAGESIZE);
.data : {
*(.data .data.*)
} :data
/* Dynamic section for relocations, both in its own PHDR and inside data PHDR */
.dynamic : {
*(.dynamic)
} :data :dynamic
/* NOTE: .bss needs to be the last thing mapped to :data, otherwise lots of */
/* unnecessary zeros will be written to the binary. */
/* If you need, for example, .init_array and .fini_array, those should be placed */
/* above this. */
.bss : {
*(.bss .bss.*)
*(COMMON)
} :data
/* Discard .note.* and .eh_frame since they may cause issues on some hosts. */
/DISCARD/ : {
*(.eh_frame)
*(.note .note.*)
}
}

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#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>
#include <limine.h>
// Set the base revision to 1, this is recommended as this is the latest
// base revision described by the Limine boot protocol specification.
// See specification for further info.
LIMINE_BASE_REVISION(1)
// The Limine requests can be placed anywhere, but it is important that
// the compiler does not optimise them away, so, in C, they should
// NOT be made "static".
struct limine_framebuffer_request framebuffer_request = {
.id = LIMINE_FRAMEBUFFER_REQUEST,
.revision = 0
};
// GCC and Clang reserve the right to generate calls to the following
// 4 functions even if they are not directly called.
// Implement them as the C specification mandates.
// DO NOT remove or rename these functions, or stuff will eventually break!
// They CAN be moved to a different .c file.
void *memcpy(void *dest, const void *src, size_t n) {
uint8_t *pdest = (uint8_t *)dest;
const uint8_t *psrc = (const uint8_t *)src;
for (size_t i = 0; i < n; i++) {
pdest[i] = psrc[i];
}
return dest;
}
void *memset(void *s, int c, size_t n) {
uint8_t *p = (uint8_t *)s;
for (size_t i = 0; i < n; i++) {
p[i] = (uint8_t)c;
}
return s;
}
void *memmove(void *dest, const void *src, size_t n) {
uint8_t *pdest = (uint8_t *)dest;
const uint8_t *psrc = (const uint8_t *)src;
if (src > dest) {
for (size_t i = 0; i < n; i++) {
pdest[i] = psrc[i];
}
} else if (src < dest) {
for (size_t i = n; i > 0; i--) {
pdest[i-1] = psrc[i-1];
}
}
return dest;
}
int memcmp(const void *s1, const void *s2, size_t n) {
const uint8_t *p1 = (const uint8_t *)s1;
const uint8_t *p2 = (const uint8_t *)s2;
for (size_t i = 0; i < n; i++) {
if (p1[i] != p2[i]) {
return p1[i] < p2[i] ? -1 : 1;
}
}
return 0;
}
// Halt and catch fire function.
static void hcf(void) {
asm ("cli");
for (;;) {
asm ("hlt");
}
}
// The following will be our kernel's entry point.
// If renaming _start() to something else, make sure to change the
// linker script accordingly.
void _start(void) {
// Ensure the bootloader actually understands our base revision (see spec).
if (LIMINE_BASE_REVISION_SUPPORTED == false) {
hcf();
}
// Ensure we got a framebuffer.
if (framebuffer_request.response == NULL
|| framebuffer_request.response->framebuffer_count < 1) {
hcf();
}
// Fetch the first framebuffer.
struct limine_framebuffer *framebuffer = framebuffer_request.response->framebuffers[0];
// Note: we assume the framebuffer model is RGB with 32-bit pixels.
for (size_t i = 0; i < 100; i++) {
uint32_t *fb_ptr = framebuffer->address;
fb_ptr[i * (framebuffer->pitch / 4) + i] = 0xffffff;
}
// We're done, just hang...
hcf();
}

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/* BSD Zero Clause License */
/* Copyright (C) 2022-2023 mintsuki and contributors.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _LIMINE_H
#define _LIMINE_H 1
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
/* Misc */
#ifdef LIMINE_NO_POINTERS
# define LIMINE_PTR(TYPE) uint64_t
#else
# define LIMINE_PTR(TYPE) TYPE
#endif
#ifdef __GNUC__
# define LIMINE_DEPRECATED __attribute__((__deprecated__))
# define LIMINE_DEPRECATED_IGNORE_START \
_Pragma("GCC diagnostic push") \
_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
# define LIMINE_DEPRECATED_IGNORE_END \
_Pragma("GCC diagnostic pop")
#else
# define LIMINE_DEPRECATED
# define LIMINE_DEPRECATED_IGNORE_START
# define LIMINE_DEPRECATED_IGNORE_END
#endif
#define LIMINE_BASE_REVISION(N) \
uint64_t limine_base_revision[3] = { 0xf9562b2d5c95a6c8, 0x6a7b384944536bdc, (N) };
#define LIMINE_BASE_REVISION_SUPPORTED (limine_base_revision[2] == 0)
#define LIMINE_COMMON_MAGIC 0xc7b1dd30df4c8b88, 0x0a82e883a194f07b
struct limine_uuid {
uint32_t a;
uint16_t b;
uint16_t c;
uint8_t d[8];
};
#define LIMINE_MEDIA_TYPE_GENERIC 0
#define LIMINE_MEDIA_TYPE_OPTICAL 1
#define LIMINE_MEDIA_TYPE_TFTP 2
struct limine_file {
uint64_t revision;
LIMINE_PTR(void *) address;
uint64_t size;
LIMINE_PTR(char *) path;
LIMINE_PTR(char *) cmdline;
uint32_t media_type;
uint32_t unused;
uint32_t tftp_ip;
uint32_t tftp_port;
uint32_t partition_index;
uint32_t mbr_disk_id;
struct limine_uuid gpt_disk_uuid;
struct limine_uuid gpt_part_uuid;
struct limine_uuid part_uuid;
};
/* Boot info */
#define LIMINE_BOOTLOADER_INFO_REQUEST { LIMINE_COMMON_MAGIC, 0xf55038d8e2a1202f, 0x279426fcf5f59740 }
struct limine_bootloader_info_response {
uint64_t revision;
LIMINE_PTR(char *) name;
LIMINE_PTR(char *) version;
};
struct limine_bootloader_info_request {
uint64_t id[4];
uint64_t revision;
LIMINE_PTR(struct limine_bootloader_info_response *) response;
};
/* Stack size */
#define LIMINE_STACK_SIZE_REQUEST { LIMINE_COMMON_MAGIC, 0x224ef0460a8e8926, 0xe1cb0fc25f46ea3d }
struct limine_stack_size_response {
uint64_t revision;
};
struct limine_stack_size_request {
uint64_t id[4];
uint64_t revision;
LIMINE_PTR(struct limine_stack_size_response *) response;
uint64_t stack_size;
};
/* HHDM */
#define LIMINE_HHDM_REQUEST { LIMINE_COMMON_MAGIC, 0x48dcf1cb8ad2b852, 0x63984e959a98244b }
struct limine_hhdm_response {
uint64_t revision;
uint64_t offset;
};
struct limine_hhdm_request {
uint64_t id[4];
uint64_t revision;
LIMINE_PTR(struct limine_hhdm_response *) response;
};
/* Framebuffer */
#define LIMINE_FRAMEBUFFER_REQUEST { LIMINE_COMMON_MAGIC, 0x9d5827dcd881dd75, 0xa3148604f6fab11b }
#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;
uint8_t green_mask_size;
uint8_t green_mask_shift;
uint8_t blue_mask_size;
uint8_t blue_mask_shift;
};
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_MAX LIMINE_PAGING_MODE_X86_64_5LVL
#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_MAX LIMINE_PAGING_MODE_AARCH64_5LVL
#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_MAX LIMINE_PAGING_MODE_RISCV_SV57
#define LIMINE_PAGING_MODE_DEFAULT LIMINE_PAGING_MODE_RISCV_SV48
#else
#error Unknown architecture
#endif
struct limine_paging_mode_response {
uint64_t revision;
uint64_t mode;
uint64_t flags;
};
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 flags;
};
/* 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
/* SMP */
#define LIMINE_SMP_REQUEST { LIMINE_COMMON_MAGIC, 0x95a67b819a1b857e, 0xa0b61b723b6a73e0 }
struct limine_smp_info;
typedef void (*limine_goto_address)(struct limine_smp_info *);
#if defined (__x86_64__) || defined (__i386__)
#define LIMINE_SMP_X2APIC (1 << 0)
struct limine_smp_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_smp_response {
uint64_t revision;
uint32_t flags;
uint32_t bsp_lapic_id;
uint64_t cpu_count;
LIMINE_PTR(struct limine_smp_info **) cpus;
};
#elif defined (__aarch64__)
struct limine_smp_info {
uint32_t processor_id;
uint32_t gic_iface_no;
uint64_t mpidr;
uint64_t reserved;
LIMINE_PTR(limine_goto_address) goto_address;
uint64_t extra_argument;
};
struct limine_smp_response {
uint64_t revision;
uint64_t flags;
uint64_t bsp_mpidr;
uint64_t cpu_count;
LIMINE_PTR(struct limine_smp_info **) cpus;
};
#elif defined (__riscv) && (__riscv_xlen == 64)
struct limine_smp_info {
uint64_t processor_id;
uint64_t hartid;
uint64_t reserved;
LIMINE_PTR(limine_goto_address) goto_address;
uint64_t extra_argument;
};
struct limine_smp_response {
uint64_t revision;
uint64_t flags;
uint64_t bsp_hartid;
uint64_t cpu_count;
LIMINE_PTR(struct limine_smp_info **) cpus;
};
#else
#error Unknown architecture
#endif
struct limine_smp_request {
uint64_t id[4];
uint64_t revision;
LIMINE_PTR(struct limine_smp_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
#define LIMINE_MEMMAP_KERNEL_AND_MODULES 6
#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;
};
/* Kernel File */
#define LIMINE_KERNEL_FILE_REQUEST { LIMINE_COMMON_MAGIC, 0xad97e90e83f1ed67, 0x31eb5d1c5ff23b69 }
struct limine_kernel_file_response {
uint64_t revision;
LIMINE_PTR(struct limine_file *) kernel_file;
};
struct limine_kernel_file_request {
uint64_t id[4];
uint64_t revision;
LIMINE_PTR(struct limine_kernel_file_response *) response;
};
/* 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;
LIMINE_PTR(const char *) cmdline;
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;
LIMINE_PTR(void *) address;
};
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;
LIMINE_PTR(void *) entry_32;
LIMINE_PTR(void *) entry_64;
};
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;
LIMINE_PTR(void *) address;
};
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;
};
/* Boot time */
#define LIMINE_BOOT_TIME_REQUEST { LIMINE_COMMON_MAGIC, 0x502746e184c088aa, 0xfbc5ec83e6327893 }
struct limine_boot_time_response {
uint64_t revision;
int64_t boot_time;
};
struct limine_boot_time_request {
uint64_t id[4];
uint64_t revision;
LIMINE_PTR(struct limine_boot_time_response *) response;
};
/* Kernel address */
#define LIMINE_KERNEL_ADDRESS_REQUEST { LIMINE_COMMON_MAGIC, 0x71ba76863cc55f63, 0xb2644a48c516a487 }
struct limine_kernel_address_response {
uint64_t revision;
uint64_t physical_base;
uint64_t virtual_base;
};
struct limine_kernel_address_request {
uint64_t id[4];
uint64_t revision;
LIMINE_PTR(struct limine_kernel_address_response *) response;
};
/* 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;
};
#ifdef __cplusplus
}
#endif
#endif