cass.cityboundforest.com
A repository for a long-term OS project titled DasOS (named after the Greek for "forest")
Adding QEMU run scripts
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Cargo.toml
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Cargo.toml
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name = "dasos"
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version = "0.1.0"
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edition = "2024"
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default-run = "dasos"
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[workspace]
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members = ["kernel"]
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[dependencies]
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ovmf-prebuilt = "0.2.4"
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[build-dependencies]
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kernel = { path = "kernel", artifact = "bin", target = "x86_64-unknown-none" }
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src/bin/qemu-bios.rs
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src/bin/qemu-bios.rs
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use std::{env, process::{self, Command}};
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fn main() {
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let mut qemu = Command::new("qemu-system-x86_64");
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qemu.arg("-drive");
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qemu.arg(format!("format=raw,file={}", env!("BIOS_IMAGE")));
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let exit_status = qemu.status().unwrap();
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process::exit(exit_status.code().unwrap_or(-1));
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}
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src/bin/qemu-uefi.rs
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src/bin/qemu-uefi.rs
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use std::{env, process::{self, Command}};
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use ovmf_prebuilt::{Arch, FileType, Prebuilt, Source};
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fn main() {
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let prebuilt = Prebuilt::fetch(Source::LATEST, "target/ovmf").unwrap();
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let ovmf_code = prebuilt.get_file(Arch::X64, FileType::Code);
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let ovmf_vars = prebuilt.get_file(Arch::X64, FileType::Vars);
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let mut qemu = Command::new("qemu-system-x86_64");
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qemu.args([
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"-drive",
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&format!("format=raw,if=pflash,readonly=on,file={}", ovmf_code.display()),
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"-drive",
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&format!("format=raw,if=pflash,file={}", ovmf_vars.display()),
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"-drive",
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&format!("format=raw,file={}", env!("UEFI_IMAGE")),
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]);
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let exit_status = qemu.status().unwrap();
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process::exit(exit_status.code().unwrap_or(-1));
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}