From 335e24a7339e42d9ee49d2689f69b8c0880d82d0 Mon Sep 17 00:00:00 2001 From: keyboard-slayer Date: Wed, 24 Sep 2025 22:48:39 +0200 Subject: [PATCH] feat: initial x86_64 port --- build | 12 - meta/plugins/__init__.py | 1 - meta/plugins/cli.py | 85 +- meta/plugins/enforce_c99.py | 12 - meta/plugins/image.py | 55 ++ meta/targets/kernel-riscv32.json | 13 +- meta/targets/kernel-x86_64.json | 78 ++ meta/targets/kernel-x86_64.ld | 75 ++ src/kernel/hal/rv32/boot.c | 2 +- src/kernel/hal/x86_64/boot.c | 18 + src/kernel/hal/x86_64/hal.c | 44 + src/kernel/hal/x86_64/ioport.c | 17 + src/kernel/hal/x86_64/ioport.h | 6 + src/kernel/hal/x86_64/manifest.json | 11 + src/kernel/hal/x86_64/serial.c | 39 + src/kernel/hal/x86_64/serial.h | 64 ++ ...od.sync-conflict-20250504-125402-L4Z4EYX.h | 1 - src/kernel/libs/limine/manifest.json | 5 + src/kernel/libs/limine/mod.h | 833 ++++++++++++++++++ src/kernel/libs/logger/mod.h | 5 + src/kernel/task/mod.c | 1 + .../handover/limine/manifest.json} | 6 +- src/libs/handover/limine/mod.c | 8 + src/libs/handover/limine/mod.h | 7 + 24 files changed, 1343 insertions(+), 55 deletions(-) delete mode 100755 build delete mode 100644 meta/plugins/enforce_c99.py create mode 100644 meta/plugins/image.py create mode 100644 meta/targets/kernel-x86_64.json create mode 100644 meta/targets/kernel-x86_64.ld create mode 100644 src/kernel/hal/x86_64/boot.c create mode 100644 src/kernel/hal/x86_64/hal.c create mode 100644 src/kernel/hal/x86_64/ioport.c create mode 100644 src/kernel/hal/x86_64/ioport.h create mode 100644 src/kernel/hal/x86_64/manifest.json create mode 100644 src/kernel/hal/x86_64/serial.c create mode 100644 src/kernel/hal/x86_64/serial.h delete mode 100644 src/kernel/kmalloc/mod.sync-conflict-20250504-125402-L4Z4EYX.h create mode 100644 src/kernel/libs/limine/manifest.json create mode 100644 src/kernel/libs/limine/mod.h rename src/{kernel/kmalloc/manifest.sync-conflict-20250504-125402-L4Z4EYX.json => libs/handover/limine/manifest.json} (67%) create mode 100644 src/libs/handover/limine/mod.c create mode 100644 src/libs/handover/limine/mod.h diff --git a/build b/build deleted file mode 100755 index 6b9a464..0000000 --- a/build +++ /dev/null @@ -1,12 +0,0 @@ -#!/usr/bin/env -S uv run -s -# /// script -# requires-python = ">=3.11" -# dependencies = [ -# "cutekit @ git+https://github.com/cute-engineering/cutekit.git@stable", -# ] -# /// - -import sys -import cutekit as ck - -sys.exit(ck.main()) diff --git a/meta/plugins/__init__.py b/meta/plugins/__init__.py index b755630..515f18c 100644 --- a/meta/plugins/__init__.py +++ b/meta/plugins/__init__.py @@ -1,5 +1,4 @@ from . import ( headers, cli, - enforce_c99 ) diff --git a/meta/plugins/cli.py b/meta/plugins/cli.py index 412f032..5b81068 100644 --- a/meta/plugins/cli.py +++ b/meta/plugins/cli.py @@ -1,24 +1,71 @@ -from cutekit import cli, model, shell, builder +from pathlib import Path -@cli.command("boot", "Boot the kernel inside of Qemu") -def _(args: model.RegistryArgs): - registry = model.Registry.use(args) +from cutekit import cli, model, shell - target = registry.lookup('kernel-riscv32', model.Target) - assert target is not None +from .image import Image - component = registry.lookup('core', model.Component) - assert component is not None - scope = builder.TargetScope(registry, target) - kernelProduct = builder.build(scope, component)[0] +def generateImg(img: Image, target: str) -> Path: + modules = [] + img.mkdir("/efi/boot") + img.mkdir("/bin") + img.cp(img.build("core", f"kernel-{target}"), Path("/kernel.elf")) - shell.exec(*[ - "qemu-system-riscv32", - "-machine", "virt", - "-bios", "default", - "-nographic", - "-serial", "mon:stdio", - "-kernel", str(kernelProduct.path), - "--no-reboot", - ]) + + if target == "x86_64": + img.wget( + "https://codeberg.org/Limine/Limine/raw/branch/v10.x-binary/BOOTX64.EFI", + "efi/boot/bootx64.efi", + ) + img.export_limine(Path("/efi/boot"), Path("/kernel.elf"), modules) + return img.path + + +@cli.command("image", "Generate the boot image") +def _(): ... + + +class StartArgs(model.RegistryArgs): + debug: bool = cli.arg(None, "debug", "Build the image in debug mode") + arch: str = cli.arg(None, "arch", "The architecture of the image", default="x86_64") + + +@cli.command("image/start", "Run the system inside the emulator") +def _(args: StartArgs): + if args.arch not in ["x86_64", "riscv32"]: + raise RuntimeError(f"Unsupported architecture: {args.arch}") + + p = generateImg(Image(model.Registry.use(args), f"kernel-{args.arch}"), args.arch) + + match args.arch: + case "x86_64": + shell.exec( + *[ + "qemu-system-x86_64", + # "-enable-kvm", + "-no-reboot", + "-no-shutdown", + # "-display", + # "none", + "-smp", + "4", + "-serial", + "mon:stdio", + "-drive", + f"format=raw,file=fat:rw:{p},media=disk", + "-bios", + shell.wget("https://retrage.github.io/edk2-nightly/bin/RELEASEX64_OVMF.fd"), + ] + ) + case "riscv32": + shell.exec( + *[ + "qemu-system-riscv32", + "-machine", "virt", + "-bios", "default", + "-nographic", + "-serial", "mon:stdio", + "-kernel", str(p / "kernel.elf"), + "--no-reboot", + ] + ) diff --git a/meta/plugins/enforce_c99.py b/meta/plugins/enforce_c99.py deleted file mode 100644 index 801af77..0000000 --- a/meta/plugins/enforce_c99.py +++ /dev/null @@ -1,12 +0,0 @@ -from cutekit.rules import rules - -rules['cc'].args.append('-pedantic') -rules['cc'].args.append('-Wpedantic') -rules['cc'].args.append('-Wno-dollar-in-identifier-extension') -rules['cc'].args.append('-Wno-gnu-statement-expression-from-macro-expansion') - -for arg in rules['cc'].args: - if "-std=" in arg: - rules['cc'].args.remove(arg) - rules['cc'].args.append('-std=c99') - break diff --git a/meta/plugins/image.py b/meta/plugins/image.py new file mode 100644 index 0000000..31c49e1 --- /dev/null +++ b/meta/plugins/image.py @@ -0,0 +1,55 @@ +import os +from hashlib import blake2b +from cutekit import model, builder, const, shell +from pathlib import Path + + +class Image: + def __init__(self, registry: model.Registry, name: str): + self.__registry: model.Registry = registry + self.__name = name + + @property + def path(self) -> Path: + return Path(const.PROJECT_CK_DIR) / "images" / self.__name + + def build(self, component_spec: str, target_spec: str) -> Path: + comp = self.__registry.lookup(component_spec, model.Component) + target = self.__registry.lookup(target_spec, model.Target) + + assert comp is not None + assert target is not None + + scope = builder.TargetScope(self.__registry, target) + return Path(builder.build(scope, comp)[0].path) + + def cp(self, src: Path, dst: Path) -> list[Path]: + shell.cp(str(src), str(self.path / str(dst).removeprefix(os.path.sep))) + return [dst] + + def mkdir(self, name: str): + (self.path / str(name).removeprefix("/")).mkdir(parents=True, exist_ok=True) + + def wget(self, link: str, dst: str): + shell.wget(link, str(self.path / str(dst).removeprefix(os.path.sep))) + + def get_hash(self, target: Path) -> str: + with (self.path / str(target).removeprefix(os.path.sep)).open("rb") as f: + return blake2b(f.read()).hexdigest() + + def export_limine(self, target: Path, kernel: Path, modules: list[Path]): + rel_path = Path(self.path / str(target).removeprefix(os.path.sep)) + with (rel_path / "limine.conf").open("w") as f: + f.writelines( + [ + "randomize_memory: yes\n", + "timeout: 0\n\n", + f"/{self.__name}\n", + " protocol: limine\n", + f" kernel_path: boot():{kernel.as_posix()}#{self.get_hash(kernel)}\n", + ] + + [ + f" module_path: boot():{module.as_posix()}#{self.get_hash(module)}\n" + for module in modules + ] + ) diff --git a/meta/targets/kernel-riscv32.json b/meta/targets/kernel-riscv32.json index 82a91c6..0acc256 100644 --- a/meta/targets/kernel-riscv32.json +++ b/meta/targets/kernel-riscv32.json @@ -30,15 +30,16 @@ ] }, "ld": { - "cmd": "{shell.latest('clang')}", + "cmd": "{shell.latest('ld.lld')}", "args": [ - "--target=riscv32", - "-nostdlib", - "-ffreestanding", - "-Wl,-Tmeta/targets/kernel-riscv32.ld" + "-m", + "elf32lriscv", + "-T{utils.relpath('kernel-riscv32.ld')}", + "-z", + "max-page-size=0x1000" ], "files": [ - "meta/targets/kernel-riscv32.ld" + "{utils.relpath('kernel-riscv32.ld')}" ] }, "ar": { diff --git a/meta/targets/kernel-x86_64.json b/meta/targets/kernel-x86_64.json new file mode 100644 index 0000000..9e452a8 --- /dev/null +++ b/meta/targets/kernel-x86_64.json @@ -0,0 +1,78 @@ +{ + "$schema": "https://schemas.cute.engineering/stable/cutekit.manifest.target.v1", + "id": "kernel-x86_64", + "type": "target", + "props": { + "toolchain": "clang", + "arch": "x86_64", + "sys": "kernel", + "abi": "sysv", + "bits": "64", + "freestanding": true, + "host": false, + "sys-encoding": "utf8", + "sys-line-ending": "lf", + "sys-path-separator": "slash", + "sys-terminal": "ansi" + }, + "tools": { + "cc": { + "cmd": "{shell.latest('clang')}", + "args": [ + "--target=x86_64-none-elf", + "-ffreestanding", + "-fno-stack-protector", + "-mno-80387", + "-mno-mmx", + "-mno-3dnow", + "-mno-sse", + "-mno-sse2", + "-mno-red-zone", + "-mcmodel=kernel" + ] + }, + "cxx": { + "cmd": "{shell.latest('clang++')}", + "args": [ + "--target=x86_64-none-elf", + "-ffreestanding", + "-fno-stack-protector", + "-mno-80387", + "-mno-mmx", + "-mno-3dnow", + "-mno-sse", + "-mno-sse2", + "-mno-red-zone", + "-mcmodel=kernel", + "-fno-exceptions", + "-fno-rtti" + ] + }, + "ld": { + "cmd": "{shell.latest('ld.lld')}", + "args": [ + "-m", + "elf_x86_64", + "-T{utils.relpath('kernel-x86_64.ld')}", + "-z", + "max-page-size=0x1000" + ], + "files": [ + "{utils.relpath('kernel-x86_64.ld')}" + ] + }, + "ar": { + "cmd": "{shell.latest('llvm-ar')}", + "args": [ + "rcs" + ] + }, + "as": { + "cmd": "nasm", + "args": [ + "-f", + "elf64" + ] + } + } +} diff --git a/meta/targets/kernel-x86_64.ld b/meta/targets/kernel-x86_64.ld new file mode 100644 index 0000000..a4c7040 --- /dev/null +++ b/meta/targets/kernel-x86_64.ld @@ -0,0 +1,75 @@ +/* Tell the linker that we want an x86_64 ELF64 output file */ +OUTPUT_FORMAT(elf64-x86-64) + +/* We want the symbol kmain to be our entry point */ +ENTRY(x86_64_start) + +/* Define the program headers we want so the bootloader gives us the right */ +/* MMU permissions; this also allows us to exert more control over the linking */ +/* process. */ +PHDRS +{ + limine_requests PT_LOAD; + text PT_LOAD; + rodata PT_LOAD; + data PT_LOAD; +} + +SECTIONS +{ + /* We want to 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; + + /* Define a section to contain the Limine requests and assign it to its own PHDR */ + .limine_requests : { + KEEP(*(.limine_requests_start)) + KEEP(*(.limine_requests)) + KEEP(*(.limine_requests_end)) + } :limine_requests + + /* Move to the next memory page for .text */ + . = ALIGN(CONSTANT(MAXPAGESIZE)); + + .text : { + *(.text .text.*) + } :text + + /* Move to the next memory page for .rodata */ + . = ALIGN(CONSTANT(MAXPAGESIZE)); + + .rodata : { + *(.rodata .rodata.*) + } :rodata + + /* Add a .note.gnu.build-id output section in case a build ID flag is added to the */ + /* linker command. */ + .note.gnu.build-id : { + *(.note.gnu.build-id) + } :rodata + + /* Move to the next memory page for .data */ + . = ALIGN(CONSTANT(MAXPAGESIZE)); + + .data : { + *(.data .data.*) + } :data + + /* 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.*) + } +} + diff --git a/src/kernel/hal/rv32/boot.c b/src/kernel/hal/rv32/boot.c index a58e651..9896138 100644 --- a/src/kernel/hal/rv32/boot.c +++ b/src/kernel/hal/rv32/boot.c @@ -12,7 +12,7 @@ #include "paging.h" extern char __bss[], __bss_end[]; -extern void kmain(void); +void kmain(void); static uint8_t early_heap[kib$(32)]; static DTBNode* dtb_root = NULL; diff --git a/src/kernel/hal/x86_64/boot.c b/src/kernel/hal/x86_64/boot.c new file mode 100644 index 0000000..238ba3d --- /dev/null +++ b/src/kernel/hal/x86_64/boot.c @@ -0,0 +1,18 @@ +#include +#include +#include + +__attribute__((used, section(".limine_requests"))) static volatile LIMINE_BASE_REVISION(3); +__attribute__((used, section(".limine_requests_start"))) static volatile LIMINE_REQUESTS_START_MARKER; +__attribute__((used, section(".limine_requests_end"))) static volatile LIMINE_REQUESTS_END_MARKER; + +void kmain(void); + +void x86_64_start(void) { + info$("Hello, x86_64 !"); + // kmain(); +} + +DTBNode* hal_dtb_root(void) { + return NULL; +} diff --git a/src/kernel/hal/x86_64/hal.c b/src/kernel/hal/x86_64/hal.c new file mode 100644 index 0000000..3db9ead --- /dev/null +++ b/src/kernel/hal/x86_64/hal.c @@ -0,0 +1,44 @@ +#include +#include +#include + +#include "serial.h" + +__attribute__((used, section(".limine_requests"))) static volatile struct limine_hhdm_request hhdm_req = { + .id = LIMINE_HHDM_REQUEST, + .revision = 0, +}; + +void hal_putc(int ch) { + static bool is_serial_init = false; + if (!is_serial_init) [[clang::unlikely]] { + serial_init(COM1, SERIAL_BAUD_RATE); + is_serial_init = true; + } + + serial_putc(COM1, ch); +} + +size_t page_size(void) { + return 4096; +} + +void hal_brkpoint(void) { + __asm__ volatile("int $3"); +} + +void* hal_mmap_l2h(uintptr_t addr) { + if (hhdm_req.response == NULL) [[clang::unlikely]] { + panic$("Couldn't get limine's HHDM"); + } + + return (void*)(addr + hhdm_req.response->offset); +} + +void* hal_mmap_h2l(uintptr_t addr) { + if (hhdm_req.response == NULL) [[clang::unlikely]] { + panic$("Couldn't get limine's HHDM"); + } + + return (void*)(addr - hhdm_req.response->offset); +} diff --git a/src/kernel/hal/x86_64/ioport.c b/src/kernel/hal/x86_64/ioport.c new file mode 100644 index 0000000..73889a7 --- /dev/null +++ b/src/kernel/hal/x86_64/ioport.c @@ -0,0 +1,17 @@ +#include "ioport.h" + +uint8_t in8(uint16_t port) { + uint8_t ret; + __asm__ volatile("inb %w1, %b0" + : "=a"(ret) + : "Nd"(port) + : "memory"); + return ret; +} + +void out8(uint16_t port, uint8_t val) { + __asm__ volatile("outb %b0, %w1" : + : "a"(val), + "Nd"(port) + : "memory"); +} diff --git a/src/kernel/hal/x86_64/ioport.h b/src/kernel/hal/x86_64/ioport.h new file mode 100644 index 0000000..eb486f4 --- /dev/null +++ b/src/kernel/hal/x86_64/ioport.h @@ -0,0 +1,6 @@ +#pragma once + +#include + +uint8_t in8(uint16_t port); +void out8(uint16_t port, uint8_t val); diff --git a/src/kernel/hal/x86_64/manifest.json b/src/kernel/hal/x86_64/manifest.json new file mode 100644 index 0000000..8252041 --- /dev/null +++ b/src/kernel/hal/x86_64/manifest.json @@ -0,0 +1,11 @@ +{ + "$schema": "https://schemas.cute.engineering/stable/cutekit.manifest.component.v1", + "type": "lib", + "id": "hal-x86_64", + "enableIf": { + "arch": ["x86_64"], + "sys": ["kernel"] + }, + "provides": ["hal-impl"], + "requires": ["pmm", "kmalloc", "handover", "handover-limine"] +} diff --git a/src/kernel/hal/x86_64/serial.c b/src/kernel/hal/x86_64/serial.c new file mode 100644 index 0000000..e5cb8ac --- /dev/null +++ b/src/kernel/hal/x86_64/serial.c @@ -0,0 +1,39 @@ +#include "serial.h" + +#include "ioport.h" + +static void write_register(uint16_t port, uint16_t offset, uint8_t value) { + out8(port + offset, value); +} + +static uint8_t read_register(uint16_t port, uint16_t offset) { + return in8(port + offset); +} + +void _serial_init(enum comPortNo port, uint32_t rate) { + if (SERIAL_BAUD_RATE % rate > 0) { + return; + } + + uint16_t div = SERIAL_BAUD_RATE / rate; + + write_register(port, SERIAL_INTERRUPT_REG, SERIAL_DISABLE_INTERRUPT); + write_register(port, SERIAL_LINE_CTRL_REG, SERIAL_LINE_CTRL_DLAB); + + write_register(port, SERIAL_BAUD_LSB, div & 0xff); + write_register(port, SERIAL_BAUD_MSB, div >> 8); + + write_register(port, SERIAL_LINE_CTRL_REG, SERIAL_LINE_CTRL_DATA8); + write_register(port, SERIAL_FIFO_CTRL_REG, SERIAL_FIFO_CTRL_FIFO | SERIAL_FIFO_CTRL_CLEAR_RX | SERIAL_FIFO_CTRL_CLEAR_TX | SERIAL_FIFO_CTRL_INT14); + write_register(port, SERIAL_MODEM_REG, SERIAL_MODEM_DTR | SERIAL_MODEM_RTS | SERIAL_MODEM_IRQ | SERIAL_MODEM_OUT2); +} + +static void serial_wait_ready(enum comPortNo port) { + while ((read_register(port, SERIAL_LINE_STATUS_REG) & SERIAL_LINE_TRANSMITTER_EMPTY) == 0) + ; +} + +void serial_putc(enum comPortNo port, char c) { + serial_wait_ready(port); + write_register(port, SERIAL_TRANSMIT_BUFFER, c); +} diff --git a/src/kernel/hal/x86_64/serial.h b/src/kernel/hal/x86_64/serial.h new file mode 100644 index 0000000..90d660e --- /dev/null +++ b/src/kernel/hal/x86_64/serial.h @@ -0,0 +1,64 @@ +#pragma once + +#include + +#define SERIAL_INTERRUPT_REG (1) +#define SERIAL_ENABLE_INTERRUPT (1) +#define SERIAL_DISABLE_INTERRUPT (0) + +#define SERIAL_TRANSMIT_BUFFER (0) + +#define SERIAL_FIFO_CTRL_REG (2) +#define SERIAL_FIFO_CTRL_FIFO (1 << 0) +#define SERIAL_FIFO_CTRL_CLEAR_RX (1 << 1) +#define SERIAL_FIFO_CTRL_CLEAR_TX (1 << 2) +#define SERIAL_FIFO_CTRL_DMA (1 << 3) +#define SERIAL_FIFO_CTRL_INT1 (0b00) +#define SERIAL_FIFO_CTRL_INT4 (0b01 << 6) +#define SERIAL_FIFO_CTRL_INT8 (0b10 << 6) +#define SERIAL_FIFO_CTRL_INT14 (0b11 << 6) + +#define SERIAL_LINE_CTRL_REG (3) +#define SERIAL_LINE_CTRL_DATA5 (0b00) +#define SERIAL_LINE_CTRL_DATA6 (0b01) +#define SERIAL_LINE_CTRL_DATA7 (0b10) +#define SERIAL_LINE_CTRL_DATA8 (0b11) +#define SERIAL_LINE_CTRL_STOP (1 << 2) +#define SERIAL_LINE_CTRL_PARITY (0b111 << 3) +#define SERIAL_LINE_CTRL_BRK (1 << 6) +#define SERIAL_LINE_CTRL_DLAB (1 << 7) + +#define SERIAL_MODEM_REG (4) +#define SERIAL_MODEM_DTR (1 << 0) +#define SERIAL_MODEM_RTS (1 << 1) +#define SERIAL_MODEM_OUT2 (1 << 2) +#define SERIAL_MODEM_IRQ (1 << 3) +#define SERIAL_MODEM_LOOP (1 << 4) + +#define SERIAL_LINE_STATUS_REG (5) +#define SERIAL_LINE_DATA_READY (1 << 0) +#define SERIAL_LINE_TRANSMITTER_EMPTY (1 << 5) + +// IF DLAB = 1 +#define SERIAL_BAUD_LSB (0) +#define SERIAL_BAUD_MSB (1) +#define SERIAL_BAUD_RATE (115200) + +enum comPortNo { + COM1 = 0x3f8, + COM2 = 0x2f8, + COM3 = 0x3e8, + COM4 = 0x2e8, + COM5 = 0x5f8, + COM6 = 0x4f8, + COM7 = 0x5e8, + COM8 = 0x4e8, +}; + +#define serial_init(PORT, RATE) \ + _Static_assert(SERIAL_BAUD_RATE % RATE == 0, "Invalid baud rate"); \ + _serial_init(PORT, RATE); + +void _serial_init(enum comPortNo port, uint32_t rate); + +void serial_putc(enum comPortNo port, char c); diff --git a/src/kernel/kmalloc/mod.sync-conflict-20250504-125402-L4Z4EYX.h b/src/kernel/kmalloc/mod.sync-conflict-20250504-125402-L4Z4EYX.h deleted file mode 100644 index 6f70f09..0000000 --- a/src/kernel/kmalloc/mod.sync-conflict-20250504-125402-L4Z4EYX.h +++ /dev/null @@ -1 +0,0 @@ -#pragma once diff --git a/src/kernel/libs/limine/manifest.json b/src/kernel/libs/limine/manifest.json new file mode 100644 index 0000000..eadab2e --- /dev/null +++ b/src/kernel/libs/limine/manifest.json @@ -0,0 +1,5 @@ +{ + "$schema": "https://schemas.cute.engineering/stable/cutekit.manifest.component.v1", + "type": "lib", + "id": "limine" +} diff --git a/src/kernel/libs/limine/mod.h b/src/kernel/libs/limine/mod.h new file mode 100644 index 0000000..d72dcb1 --- /dev/null +++ b/src/kernel/libs/limine/mod.h @@ -0,0 +1,833 @@ +/* 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*, char const*, 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(char const*) + 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; +}; + +/* Bootloader Performance */ + +# define LIMINE_BOOTLOADER_PERFORMANCE_REQUEST {LIMINE_COMMON_MAGIC, 0x6b50ad9bf36d13ad, 0xdc4c7e88fc759e17} + +struct limine_bootloader_performance_response { + uint64_t revision; + uint64_t reset_usec; + uint64_t init_usec; + uint64_t exec_usec; +}; + +struct limine_bootloader_performance_request { + uint64_t id[4]; + uint64_t revision; + LIMINE_PTR(struct limine_bootloader_performance_response*) + response; +}; + +# ifdef __cplusplus +} +# endif + +#endif diff --git a/src/kernel/libs/logger/mod.h b/src/kernel/libs/logger/mod.h index d03f5c9..474e4c0 100644 --- a/src/kernel/libs/logger/mod.h +++ b/src/kernel/libs/logger/mod.h @@ -1,5 +1,6 @@ #pragma once +#include #include typedef enum { @@ -19,6 +20,10 @@ typedef enum { #define error$(...) _log(LOG_ERROR, loc$(), __VA_ARGS__) #define print$(...) _log(LOG_NONE, (Loc){0}, __VA_ARGS__) +#define panic$(...) \ + _log(LOG_ERROR, loc$(), __VA_ARGS__); \ + hal_brkpoint(); + static char const* level_names[LOG_EVENT_LENGTH] = { [LOG_NONE] = "", [LOG_DEBUG] = "DEBUG", diff --git a/src/kernel/task/mod.c b/src/kernel/task/mod.c index f0651fb..92a83d6 100644 --- a/src/kernel/task/mod.c +++ b/src/kernel/task/mod.c @@ -5,6 +5,7 @@ #include "mod.h" TaskError task_new(char const* name, HalPage* page_table, uintptr_t ip, Allocator* alloc) { + (void)ip; Task* task = alloc->alloc(alloc, sizeof(Task)); if (task == NULL) { diff --git a/src/kernel/kmalloc/manifest.sync-conflict-20250504-125402-L4Z4EYX.json b/src/libs/handover/limine/manifest.json similarity index 67% rename from src/kernel/kmalloc/manifest.sync-conflict-20250504-125402-L4Z4EYX.json rename to src/libs/handover/limine/manifest.json index d303096..f78ca4d 100644 --- a/src/kernel/kmalloc/manifest.sync-conflict-20250504-125402-L4Z4EYX.json +++ b/src/libs/handover/limine/manifest.json @@ -1,9 +1,9 @@ { "$schema": "https://schemas.cute.engineering/stable/cutekit.manifest.component.v1", - "id": "kmalloc", "type": "lib", + "id": "handover-limine", "requires": [ - "allocators", - "traits" + "limine", + "handover" ] } diff --git a/src/libs/handover/limine/mod.c b/src/libs/handover/limine/mod.c new file mode 100644 index 0000000..60013a8 --- /dev/null +++ b/src/libs/handover/limine/mod.c @@ -0,0 +1,8 @@ +#include "mod.h" +#include + +static HandoverPayload* payload = NULL; + +HandoverPayload* handover(void) { + return payload; +} diff --git a/src/libs/handover/limine/mod.h b/src/libs/handover/limine/mod.h new file mode 100644 index 0000000..3fb515c --- /dev/null +++ b/src/libs/handover/limine/mod.h @@ -0,0 +1,7 @@ +#pragma once + +#include + +void handover_init(void); + +HandoverPayload* handover(void);