diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..5755fde --- /dev/null +++ b/.gitignore @@ -0,0 +1,5 @@ +limine +kernel +iso_root +*.o +*.iso diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..92c59c1 --- /dev/null +++ b/Makefile @@ -0,0 +1,29 @@ +build: + rm -f *.o + 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 + x86_64-elf-ld -o kernel -T linker.ld *.o + +limine/limine: + rm -rf limine + git clone https://github.com/limine-bootloader/limine.git --branch=v9.x-binary --depth=1 + $(MAKE) -C limine + +build-iso: limine/limine build + rm -rf iso_root + mkdir -p iso_root/boot + cp -v kernel iso_root/boot + mkdir -p iso_root/boot/limine + cp -v limine.conf iso_root/boot/limine + mkdir -p iso_root/EFI/BOOT + cp -v limine/limine-bios.sys limine/limine-bios-cd.bin limine/limine-uefi-cd.bin iso_root/boot/limine/ + cp -v limine/BOOTX64.EFI iso_root/EFI/BOOT/ + cp -v limine/BOOTIA32.EFI iso_root/EFI/BOOT/ + xorriso -as mkisofs -R -r -J -b boot/limine/limine-bios-cd.bin \ + -no-emul-boot -boot-load-size 4 -boot-info-table -hfsplus \ + -apm-block-size 2048 --efi-boot boot/limine/limine-uefi-cd.bin \ + -efi-boot-part --efi-boot-image --protective-msdos-label \ + iso_root -o kernel.iso + ./limine/limine bios-install kernel.iso + +clean: + rm -rf *.o kernel iso_root kernel.iso limine diff --git a/README.md b/README.md index a924c24..dacc5de 100644 --- a/README.md +++ b/README.md @@ -1,3 +1,11 @@ # pepperOS will never be done + +To compile the kernel and make an ISO image file: + +``` +make build-iso +``` + +Then it can be run with `qemu-system-x86_64 kernel.iso`. diff --git a/limine.conf b/limine.conf new file mode 100644 index 0000000..c4a7be7 --- /dev/null +++ b/limine.conf @@ -0,0 +1,6 @@ +timeout: 3 + +/PepperOS + protocol: limine + + path: boot():/boot/kernel diff --git a/linker.ld b/linker.ld new file mode 100644 index 0000000..1b34478 --- /dev/null +++ b/linker.ld @@ -0,0 +1,50 @@ +OUTPUT_FORMAT(elf64-x86-64) + +ENTRY(kmain) + +PHDRS +{ + limine_requests PT_LOAD; + text PT_LOAD; + rodata PT_LOAD; + data PT_LOAD; +} + +SECTIONS +{ + . = 0xffffffff80000000; + + .limine_requests : { + KEEP(*(.limine_requests_start)) + KEEP(*(.limine_requests)) + KEEP(*(.limine_requests_end)) + } :limine_requests + + . = ALIGN(CONSTANT(MAXPAGESIZE)); + + .text : { + *(.text .text.*) + } :text + + . = ALIGN(CONSTANT(MAXPAGESIZE)); + + .rodata : { + *(.rodata .rodata.*) + } :rodata + + . = ALIGN(CONSTANT(MAXPAGESIZE)); + + .data : { + *(.data .data.*) + } :data + + .bss : { + *(.bss .bss.*) + *(COMMON) + } :data + + /DISCARD/ : { + *(.eh_frame*) + *(.note .note.*) + } +} diff --git a/src/kmain.c b/src/kmain.c new file mode 100644 index 0000000..2f35998 --- /dev/null +++ b/src/kmain.c @@ -0,0 +1,116 @@ +#include +#include +#include + +// Limine version used +__attribute__((used, section(".limine_requests"))) +static volatile LIMINE_BASE_REVISION(3); + +// Framebuffer request +__attribute__((used, section(".limine_requests"))) +static volatile struct limine_framebuffer_request framebuffer_request = { + .id = LIMINE_FRAMEBUFFER_REQUEST, + .revision = 0 +}; + +__attribute__((used, section(".limine_requests_start"))) +static volatile LIMINE_REQUESTS_START_MARKER; + +__attribute__((used, section(".limine_requests_end"))) +static volatile LIMINE_REQUESTS_END_MARKER; + +// We won't be linked to standard library, but still need the basic mem* functions +// so everything goes allright with the compiler + +// We use the "restrict" keyword on pointers so that the compiler knows it can +// do more optimization on them (and as it's a much used function, it's good to +// be able to do that) +void* memcpy(void* restrict dest, const void* restrict src, size_t n) +{ + uint8_t* restrict pdest = (uint8_t* restrict)dest; + const uint8_t* restrict psrc = (const uint8_t* restrict)src; + + for (size_t i=0; i dest) + { + for (size_t i=0; i0; 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; iframebuffer_count < 1) hcf(); + + // Get the first framebuffer from the response + struct limine_framebuffer* framebuffer = framebuffer_request.response->framebuffers[0]; + + // Draw something + for (size_t i=0; i<100; i++) + { + volatile uint32_t* fb_ptr = framebuffer->address; + fb_ptr[i*(framebuffer->pitch/4) + i] = 0xffffff; + } + + hcf(); +} diff --git a/src/limine.h b/src/limine.h new file mode 100644 index 0000000..3831192 --- /dev/null +++ b/src/limine.h @@ -0,0 +1,754 @@ +/* BSD Zero Clause License */ + +/* Copyright (C) 2022-2025 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 + + /* Misc */ + + #ifdef LIMINE_NO_POINTERS + # define LIMINE_PTR(TYPE) uint64_t + #else + # define LIMINE_PTR(TYPE) TYPE + #endif + + #ifndef LIMINE_API_REVISION + # define LIMINE_API_REVISION 0 + #endif + + #if LIMINE_API_REVISION > 3 + # error "limine.h API revision unsupported" + #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_REQUESTS_START_MARKER \ + uint64_t limine_requests_start_marker[4] = { 0xf6b8f4b39de7d1ae, 0xfab91a6940fcb9cf, \ + 0x785c6ed015d3e316, 0x181e920a7852b9d9 }; + #define LIMINE_REQUESTS_END_MARKER \ + uint64_t limine_requests_end_marker[2] = { 0xadc0e0531bb10d03, 0x9572709f31764c62 }; + + #define LIMINE_REQUESTS_DELIMITER LIMINE_REQUESTS_END_MARKER + + #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_LOADED_BASE_REV_VALID (limine_base_revision[1] != 0x6a7b384944536bdc) + #define LIMINE_LOADED_BASE_REVISION (limine_base_revision[1]) + + #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; + #if LIMINE_API_REVISION >= 3 + LIMINE_PTR(char *) string; + #else + LIMINE_PTR(char *) cmdline; + #endif + 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; + }; + + /* Executable command line */ + + #define LIMINE_EXECUTABLE_CMDLINE_REQUEST { LIMINE_COMMON_MAGIC, 0x4b161536e598651e, 0xb390ad4a2f1f303a } + + struct limine_executable_cmdline_response { + uint64_t revision; + LIMINE_PTR(char *) cmdline; + }; + + struct limine_executable_cmdline_request { + uint64_t id[4]; + uint64_t revision; + LIMINE_PTR(struct limine_executable_cmdline_response *) response; + }; + + /* Firmware type */ + + #define LIMINE_FIRMWARE_TYPE_REQUEST { LIMINE_COMMON_MAGIC, 0x8c2f75d90bef28a8, 0x7045a4688eac00c3 } + + #define LIMINE_FIRMWARE_TYPE_X86BIOS 0 + #define LIMINE_FIRMWARE_TYPE_UEFI32 1 + #define LIMINE_FIRMWARE_TYPE_UEFI64 2 + #define LIMINE_FIRMWARE_TYPE_SBI 3 + + struct limine_firmware_type_response { + uint64_t revision; + uint64_t firmware_type; + }; + + struct limine_firmware_type_request { + uint64_t id[4]; + uint64_t revision; + LIMINE_PTR(struct limine_firmware_type_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_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