feat: trying to use deno as build script.

Author: yfblock

.vscode/settings.json

@@ -1,5 +1,6 @@
 {
     "rust-analyzer.check.allTargets": false,
     "rust-analyzer.check.extraArgs": [],
-    "rust-analyzer.procMacro.enable": true
+    "rust-analyzer.procMacro.enable": true,
+    "deno.enable": true
 }

byteos

@@ -0,0 +1,32 @@
+#!/usr/bin/env -S deno --ext=ts --allow-run --allow-read --allow-env
+
+import { Command } from "https://deno.land/x/[email protected]/command/mod.ts";
+import { cliCommand as buildCommand } from './scripts/cli-build.ts';
+import { cliCommand as qemuCommand } from './scripts/cli-qemu.ts';
+import { logLevelEnum, archEnum } from './scripts/cli-types.ts';
+import { parse } from "jsr:@std/yaml";
+
+const command = new Command()
+    .name("byteos")
+    .version("0.1.0")
+    .description("Building tools for the byteos.")
+
+    .globalType("log-level", logLevelEnum)
+    .globalOption("-l, --log-level <level:log-level>", "Set Log Level", { default: 'info' })
+    .globalType("architecture", archEnum)
+    .globalOption("-a, --arch [arch:architecture]", "Set the architecture", { required: true })
+
+    // Sub Command build
+    .command("build", buildCommand)
+    .command("qemu", qemuCommand);
+
+// parse yaml file
+const data = parse(new TextDecoder("utf-8").decode(await Deno.readFile("byteos.yaml")));
+console.log(data);
+
+try {
+    // Parse the command.
+    await command.parse(Deno.args);
+} catch (e) {
+    console.error("Error", e);
+}

scripts/cli-build.ts

@@ -0,0 +1,76 @@
+import { Command, CommandOptions } from "https://deno.land/x/[email protected]/command/mod.ts";
+import { globalArgType } from "./cli-types.ts";
+
+const targetMap: Record<string, string> = {
+    "riscv64": 'riscv64gc-unknown-none-elf',
+    "x86_64": 'x86_64-unknown-none',
+    "aarch64": 'aarch64-unknown-none-softfloat',
+    "loongarch64": 'loongarch64-unknown-none'
+};
+
+/**
+ * Get the path of the kernel elf file.
+ * @param arch the architecture
+ * @returns path to the file
+ */
+export function getKernelElf(arch: string): string {
+    return `${Deno.cwd()}/target/${targetMap[arch]}/release/kernel`;
+}
+
+/**
+ * Get the path of the kernel Binary file.
+ * @param arch the architecture
+ * @returns path to the file
+ */
+export function getKernelBin(arch: string): string {
+    return `${getKernelElf(arch)}.bin`;
+}
+
+export const cargoBuild = async function(options: CommandOptions<globalArgType>) {
+
+    const rustflags = [
+        "-Cforce-frame-pointers=yes",
+        "-Clink-arg=-no-pie",
+        "-Ztls-model=local-exec",
+        `--cfg=root_fs="ext4_rs"`
+    ];
+
+    const buildProc = new Deno.Command("cargo", {
+        args: [
+            "build",
+            "--release",
+            "--target",
+            targetMap[options.arch],
+        ],
+        env: {
+            ROOT_MANIFEST_DIR: Deno.cwd() + "/",
+            MOUNT_IMG_PATH: "mount.img",
+            HEAP_SIZE: "0x0180_0000",
+            RUSTFLAGS: (Deno.env.get("RUSTFLAGS") || "") + ' ' + rustflags.join(' ')
+        },
+    });        
+    const code = await buildProc.spawn().status;
+    if(!code.success) {
+        console.error("Failed to build the kernel");
+        Deno.exit(1);
+    }
+
+    const objcopyProc = new Deno.Command("rust-objcopy", {
+        args: [
+            `--binary-architecture=${options.arch}`,
+            getKernelElf(options.arch),
+            "--strip-all",
+            "-O",
+            "binary",
+            getKernelBin(options.arch)
+        ]
+    });
+    await objcopyProc.spawn().status;
+
+    console.log("options", options);
+    console.log("code: ", code);
+}
+
+export const cliCommand = new Command<globalArgType>()
+    .description("Build Rust Kernel")
+    .action(cargoBuild);

scripts/cli-qemu.ts

@@ -0,0 +1,61 @@
+import { Command, CommandOptions } from "https://deno.land/x/[email protected]/command/mod.ts";
+import { globalArgType } from "./cli-types.ts";
+import { cargoBuild, getKernelBin, getKernelElf } from "./cli-build.ts";
+
+async function runQemu(options: CommandOptions<globalArgType>) {
+    await cargoBuild(options);
+
+    const qemuExecArch = {
+        x86_64: [
+            "-machine",
+            "q35",
+            "-kernel",
+            getKernelElf(options.arch),
+            "-cpu",
+            "IvyBridge-v2"
+        ],
+        riscv64: [
+            "-machine",
+            "virt",
+            "-kernel",
+            getKernelBin(options.arch)
+        ],
+        aarch64: [
+            "-cpu", 
+            "cortex-a72",
+            "-machine",
+            "virt",
+            "-kernel",
+            getKernelBin(options.arch)
+        ],
+        loongarch64: [
+            "-kernel",
+            getKernelElf(options.arch)
+        ]
+    };
+
+    const qemuCommand = new Deno.Command(`qemu-system-${options.arch}`, {
+        args: [
+            ...qemuExecArch[options.arch],
+            "-m",
+            "1G",
+			"-nographic",
+			"-smp", 
+            "1",
+			"-D", 
+            "qemu.log",
+            "-d",
+            "in_asm,int,pcall,cpu_reset,guest_errors",
+
+            "-drive",
+            "file=mount.img,if=none,format=raw,id=x0",
+	        "-device",
+            "virtio-blk-device,drive=x0"
+        ]
+    });
+    await qemuCommand.spawn().status;
+}
+
+export const cliCommand = new Command<globalArgType>()
+    .description("Run kernel in the qemu")
+    .action(runQemu);

scripts/cli-types.ts

@@ -0,0 +1,9 @@
+import { EnumType } from "https://deno.land/x/[email protected]/command/mod.ts";
+
+export const logLevelEnum = new EnumType(["debug", "info", "warn", "error"]);
+export const archEnum = new EnumType(['x86_64', "aarch64", "riscv64", "loongarch64"]);
+
+export type globalArgType = { 
+    logLevel: typeof logLevelEnum, 
+    arch: typeof archEnum 
+};