feat: Try Rust

.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+build
+target
+dist
+dist-ssr
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.cargo
+.next
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?

Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "cure"
+version = "0.1.0"

Cargo.toml

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+[package]
+name = "cure"
+version = "0.1.0"
+edition = "2021"
+
+[lib]
+crate-type = ["staticlib"]
+path = "src/lib.rs"
+
+[profile.dev]
+panic = "abort"
+opt-level = 0
+
+[profile.release]
+panic = "abort"
+opt-level = 2
+
+[package.metadata.bootimage]
+test-args = ["-device", "isa-debug-exit,iobase=0xf4,iosize=0x04", "-serial", "stdio", "-display", "none"]
+test-success-exit-code = 33
+
+[features]
+default = []
+debug = []
+
+[dependencies]

GRUB_TEMPLATE

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+default=0
+timeout=3
+
+menuentry "$_OS_NAME" {
+	multiboot /boot/$_OS_NAME.bin
+}

bochs.cfg

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+# -- 基本設定 --
+romimage: file=/usr/local/share/bochs/BIOS-bochs-latest, address=0xfffe0000
+vgaromimage: file=/usr/local/share/bochs/VGABIOS-lgpl-latest
+
+boot: cdrom
+
+ata0-master: type=cdrom, path="build/cure.iso", status=inserted
+
+memory: guest=1024, host=1024
+
+clock: sync=realtime, time0=utc, rtc_sync=1
+
+log: bochsout.txt
+magic_break: enabled=1
+panic: action=ask
+
+# -- CPU 設定 (雙核心 + 64位元) --
+cpu: count=1, ips=4000000, model=bx_generic, reset_on_triple_fault=1, ignore_bad_msrs=1
+
+# -- PCI + ACPI + HPET 支援 --
+pci: enabled=1, chipset=i440fx
+
+# -- IO裝置 --
+vga: extension=vbe
+keyboard: type=mf
+ata0-slave: type=none
+ata1-master: type=none
+ata1-slave: type=none
+
+# -- 其他控制器 --
+mouse: enabled=0
+
+# -- 顯示 --
+display_library: x
+
+# -- 除錯 --
+debugger_log: none

config-grub.sh

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+#!/usr/bin/bash
+
+export _OS_NAME=$1
+
+cat GRUB_TEMPLATE | envsubst > "$2"

config/make-cc

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+CC := i686-elf-gcc
+AS := i686-elf-as
+LD := i686-elf-ld
+OBJDUMP := i686-elf-objdump
+OBJCOPY := i686-elf-objcopy
+
+ARCH_OPT := -D__ARCH_IA32
+O := -O2
+W := -Wall -Wextra -Wno-unknown-pragmas
+CFLAGS := -std=gnu99 -ffreestanding $(O) $(W) $(ARCH_OPT)
+LDFLAGS := -ffreestanding $(O) -nostdlib -lgcc -verbose

config/make-debug-tool

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+QEMU_MON_TERM := gnome-terminal
+QEMU_MON_PORT := 45454

config/make-locations

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+BUILD_DIR := build
+KERNEL_DIR := kernel
+OBJECT_DIR := $(BUILD_DIR)/obj
+BIN_DIR := $(BUILD_DIR)/bin
+ISO_DIR := $(BUILD_DIR)/iso
+ISO_BOOT_DIR := $(ISO_DIR)/boot
+ISO_GRUB_DIR := $(ISO_BOOT_DIR)/grub
+
+INCLUDES_DIR := includes

config/make-os

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+OS_ARCH := x86
+OS_NAME = cure
+OS_BIN = $(OS_NAME).bin
+OS_ISO = $(OS_NAME).iso

linker.ld

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+ENTRY(start_)
+
+SECTIONS {
+    . = 0x100000;
+
+    .text BLOCK(4K): {
+        * (.multiboot) /* boot.o (.multiboot) */
+        * (.text)
+    }
+
+    .bss BLOCK(4K): {
+        * (COMMON)
+        * (.bss)
+    }
+
+    .data BLOCK(4K): {
+        * (.data)
+    }
+
+    .rodata BLOCK(4k): {
+        * (.rodata)
+    }
+}

src/arch/x86/boot.S

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+#include "multiboot.h"
+
+.section .multiboot
+    /* Define type as 32 bit */
+    .long MB_MAGIC
+    .long MB_ALIGNED_4K_MEM_MAP
+    .long CHECKSUM(MB_ALIGNED_4K_MEM_MAP)
+
+/* .bss: stack */
+.section .bss
+    /* According to System V ABI, the stack must be aligned at 16 bytes boundary.*/ 
+    .align 16 /* Not divisible by 16, move forward until divisible */ 
+    stack_bottom:
+        .skip 32708, 0
+    stack_top:
+
+/* .text: put executable code */
+.section .text 
+    .global start_
+    start_:
+        movl $stack_top, %esp
+        /*
+            TODO: kernel init
+                Load GDT
+                Load IDT
+                Enable paging  
+        */
+        call _kernel_init
+
+        pushl %ebx
+        call _kernel_main
+
+        cli
+    j_:
+        hlt
+        jmp j_

src/arch/x86/multiboot.h

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+// Define constants in multiboot
+#define MB_MAGIC 0x1BADB002
+#define MB_ALIGNED_4K_MEM_MAP 0x03
+#define CHECKSUM(flags) - (MB_MAGIC + flags)

src/kernel/kernel.rs

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+// src/kernel/kernel.rs
+use core::arch::asm;
+
+// boot.S 調用的入口點
+#[no_mangle]
+pub extern "C" fn _kernel_init() {
+    // TODO: 加載 GDT
+    // TODO: 加載 IDT  
+    // TODO: 啟用分頁
+}
+
+#[no_mangle]
+pub extern "C" fn _kernel_main(multiboot_info: u32) {
+    
+    unsafe {
+        loop {
+            asm!("hlt");
+        }
+    }
+}

src/kernel/mod.rs

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+pub mod kernel;
+
+// 重新導出由 boot.S 調用的入口點
+pub use kernel::{_kernel_init, _kernel_main};

src/lib.rs

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+#![no_std]
+#![no_main]
+
+mod kernel;
+
+use core::panic::PanicInfo;
+
+#[panic_handler]
+fn panic(_info: &PanicInfo) -> ! {
+    loop {}
+}