forked from AbleOS/ableos
568 lines
18 KiB
Rust
568 lines
18 KiB
Rust
mod dev;
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use {
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core::fmt::Write as _,
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derive_more::Display,
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dev::Package,
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error_stack::{bail, report, Context, Report, Result, ResultExt},
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fatfs::{FileSystem, FormatVolumeOptions, FsOptions, ReadWriteSeek},
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std::{
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fs::{self, File},
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io::{self, Write},
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path::Path,
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process::{exit, Command, Stdio},
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},
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toml::Value,
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};
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fn main() -> Result<(), Error> {
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let mut args = std::env::args();
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args.next();
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log::set_logger(&hblang::Logger).unwrap();
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log::set_max_level(log::LevelFilter::Error);
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match args.next().as_deref() {
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Some("build" | "b") => {
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let mut release = false;
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let mut debuginfo = false;
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let mut target = Target::X86_64;
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for arg in args {
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if arg == "-r" || arg == "--release" {
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release = true;
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} else if arg == "-d" || arg == "--debuginfo" {
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debuginfo = true;
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} else if arg == "rv64" || arg == "riscv64" || arg == "riscv64-virt" {
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target = Target::Riscv64Virt;
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} else if arg == "arm64" || arg == "aarch64" || arg == "aarch64-virt" {
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target = Target::Aarch64;
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} else if arg == "avx2" {
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target = Target::X86_64Avx2;
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} else {
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return Err(report!(Error::InvalidSubCom));
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}
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}
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build(release, target, debuginfo).change_context(Error::Build)
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}
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Some("run" | "r") => {
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let mut release = false;
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let mut debuginfo = false;
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let mut target = Target::X86_64;
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let mut do_accel = true;
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for arg in args {
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if arg == "-r" || arg == "--release" {
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release = true;
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} else if arg == "-d" || arg == "--debuginfo" {
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debuginfo = true;
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} else if arg == "rv64" || arg == "riscv64" || arg == "riscv64-virt" {
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target = Target::Riscv64Virt;
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} else if arg == "arm64" || arg == "aarch64" || arg == "aarch64-virt" {
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target = Target::Aarch64;
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} else if arg == "--noaccel" {
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do_accel = false;
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} else if arg == "avx2" {
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target = Target::X86_64Avx2;
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} else {
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return Err(report!(Error::InvalidSubCom));
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}
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}
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build(release, target, debuginfo)?;
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run(release, target, do_accel)
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}
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Some("help" | "h") => {
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println!(concat!(
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"AbleOS RepBuild\n",
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"Subcommands:\n",
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" build (b): Build a bootable disk image\n",
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" help (h): Print this message\n",
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" run (r): Build and run AbleOS in QEMU\n\n",
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"Options for build and run:\n",
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" -r / --release: build in release mode\n",
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" -d / --debuginfo: build with debug info\n",
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" --noaccel: run without acceleration (e.g, no kvm)\n",
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"[ rv64 / riscv64 / riscv64-virt / aarch64 / arm64 / aarch64-virt / avx2 ]: sets target"
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),);
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Ok(())
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}
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_ => Err(report!(Error::InvalidSubCom)),
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}
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}
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fn get_path_without_boot_prefix(val: &Value) -> Option<&str> {
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val.as_str()?.split("boot:///").last()
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}
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fn get_fs() -> Result<FileSystem<impl ReadWriteSeek>, io::Error> {
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let filename = "sysdata/system_config.toml";
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let mut img = File::options()
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.read(true)
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.write(true)
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.create(true)
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.open(Path::new("target/disk.img"))?;
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img.set_len(1024 * 1024 * 64)?;
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fatfs::format_volume(&mut img, FormatVolumeOptions::new())?;
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let fs = FileSystem::new(img, FsOptions::new())?;
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// Read the contents of the file using a `match` block
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// to return the `data: Ok(c)` as a `String`
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// or handle any `errors: Err(_)`.
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let contents = match fs::read_to_string(filename) {
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// If successful return the files text as `contents`.
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// `c` is a local variable.
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Ok(c) => c,
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// Handle the `error` case.
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Err(_) => {
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// Write `msg` to `stderr`.
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eprintln!("Could not read file `{}`", filename);
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// Exit the program with exit code `1`.
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exit(1);
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}
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};
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use toml::Value;
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let mut limine_str = String::new();
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let mut data: Value = toml::from_str(&contents).unwrap();
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let boot_table = data.get_mut("boot");
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let limine_table = boot_table.unwrap().get_mut("limine").unwrap();
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let default_entry = limine_table.get("default_entry").unwrap();
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let timeout = limine_table.get("timeout").unwrap();
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let interface_resolution = limine_table.get("interface_resolution").unwrap();
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let verbose = limine_table.get("verbose").unwrap();
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let term_wallpaper = limine_table.get("term_wallpaper").unwrap();
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let vb_post = match verbose.as_bool().unwrap() {
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true => "yes",
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false => "no",
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};
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let term_background = limine_table
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.get("term_backdrop")
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.unwrap_or(&Value::Integer(0));
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let base = format!(
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"DEFAULT_ENTRY={}
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TIMEOUT={}
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VERBOSE={}
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INTERFACE_RESOLUTION={}
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# Terminal related settings
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TERM_WALLPAPER={}
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TERM_BACKDROP={}
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",
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default_entry,
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timeout,
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vb_post,
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interface_resolution,
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term_wallpaper.as_str().unwrap(),
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term_background
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);
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// Copy the term_wallpaper to the image
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let term_wallpaper_path = get_path_without_boot_prefix(term_wallpaper).unwrap();
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copy_file_to_img(&format!("sysdata/{}", term_wallpaper_path), &fs);
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limine_str.push_str(&base);
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let boot_entries = limine_table.as_table_mut().unwrap();
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let mut real_boot_entries = boot_entries.clone();
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for (key, value) in boot_entries.into_iter() {
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if !value.is_table() {
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real_boot_entries.remove(key);
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}
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}
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for (name, mut value) in real_boot_entries {
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let comment = value.get("comment").unwrap();
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let protocol = value.get("protocol").unwrap();
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let resolution = value.get("resolution").unwrap();
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let kernel_path = value.get("kernel_path").unwrap();
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let kernel_cmdline = value.get("kernel_cmdline").unwrap();
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let text_entry = format!(
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"
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:{}
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COMMENT={}
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PROTOCOL={}
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RESOLUTION={}
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KERNEL_PATH={}
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KERNEL_CMDLINE={}
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",
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name,
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comment.as_str().unwrap(),
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protocol.as_str().unwrap(),
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resolution.as_str().unwrap(),
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kernel_path.as_str().unwrap(),
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kernel_cmdline,
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);
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limine_str.push_str(&text_entry);
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let modules = value.get_mut("modules").unwrap().as_table_mut().unwrap();
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// let mut real_modules = modules.clone();
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let mut errors = String::new();
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let mut out = Vec::new();
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modules
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.into_iter()
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.map(|(_, value)| -> Result<(), io::Error> {
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if value.is_table() {
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let path = get_path_without_boot_prefix(
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value.get("path").expect("You must have `path` as a value"),
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)
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.unwrap()
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.split(".")
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.next()
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.unwrap();
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let p = Package::load_from_file(
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format!("sysdata/programs/{}/meta.toml", path).to_owned(),
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);
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match p.build(&mut out) {
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Ok(()) => {}
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Err(_) => {
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writeln!(errors, "========= while compiling {} =========", path)
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.unwrap();
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errors.push_str(core::str::from_utf8(&out).expect("no"));
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out.clear();
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}
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}
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}
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Ok(())
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})
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.for_each(drop);
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if !errors.is_empty() {
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let _ = writeln!(errors, "!!! STOPPING DUE TO PREVIOUS ERRORS !!!");
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std::eprint!("{errors}");
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continue;
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}
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modules.into_iter().for_each(|(_key, value)| {
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if value.is_table() {
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let path = value.get("path").expect("You must have `path` as a value");
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let default_value = Value::String("".into());
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let cmd_line = value.get("cmd_line").unwrap_or(&default_value);
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let a = format!(
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" MODULE_PATH={}
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MODULE_CMDLINE={}\n\n",
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path.as_str().unwrap(),
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cmd_line
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);
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limine_str.push_str(&a);
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}
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});
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// Copy modules into the test_programs directory
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modules.into_iter().for_each(|(_key, value)| {
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if value.is_table() {
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let path = get_path_without_boot_prefix(
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value
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.get("path")
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.expect("You must have a `path` as a value"),
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)
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.unwrap();
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let fpath = format!("target/programs/{}", path);
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copy_file_to_img(&fpath, &fs);
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}
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});
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}
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let bootdir = fs.root_dir().create_dir("efi")?.create_dir("boot")?;
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let mut f = fs.root_dir().create_file("limine.cfg")?;
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let _ = f.write(limine_str.as_bytes())?;
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drop(f);
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io::copy(
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&mut File::open("limine/BOOTX64.EFI")
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.map_err(Report::from)
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.attach_printable("Copying Limine (x86_64): have you pulled the submodule?")?,
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&mut bootdir.create_file("bootx64.efi")?,
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)?;
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io::copy(
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&mut File::open("limine/BOOTAA64.EFI")
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.map_err(Report::from)
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.attach_printable("Copying Limine (ARM): have you pulled the submodule?")?,
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&mut bootdir.create_file("bootaa64.efi")?,
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)?;
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drop(bootdir);
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Ok(fs)
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}
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fn copy_file_to_img(fpath: &str, fs: &FileSystem<File>) {
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let path = Path::new(fpath);
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// println!("{path:?}");
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io::copy(
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&mut File::open(path).expect(&format!("Could not open file {fpath}")),
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&mut fs
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.root_dir()
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.create_file(&path.file_name().unwrap().to_string_lossy())
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.expect("Unable to create file"),
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)
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.expect("Copy failed");
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}
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fn build(release: bool, target: Target, debuginfo: bool) -> Result<(), Error> {
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let fs = get_fs().change_context(Error::Io)?;
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let mut com = Command::new("cargo");
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com.current_dir("kernel");
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com.args(["b"]);
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if release {
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com.arg("-r");
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}
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if debuginfo {
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com.env("RUSTFLAGS", "-Cdebug-assertions=true");
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}
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if target == Target::Riscv64Virt {
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com.args(["--target", "targets/riscv64-virt-ableos.json"]);
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}
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if target == Target::Aarch64 {
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com.args(["--target", "targets/aarch64-virt-ableos.json"]);
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}
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if target == Target::X86_64Avx2 {
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com.args(["--target", "targets/x86_64_v3-ableos.json"]);
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}
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match com.status() {
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Ok(s) if s.code() != Some(0) => bail!(Error::Build),
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Err(e) => bail!(report!(e).change_context(Error::Build)),
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_ => (),
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}
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let mut path: String = "kernel".to_string();
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let kernel_dir = match target {
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Target::X86_64 => {
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path.push_str("_x86-64");
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"target/x86_64-ableos"
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}
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Target::X86_64Avx2 => {
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path.push_str("_x86-64");
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"target/x86_64_v3-ableos"
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}
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Target::Riscv64Virt => "target/riscv64-virt-ableos",
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Target::Aarch64 => {
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path.push_str("_aarch64");
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"target/aarch64-virt-ableos"
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}
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};
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(|| -> std::io::Result<_> {
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io::copy(
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&mut File::open(
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Path::new(kernel_dir)
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.join(if release { "release" } else { "debug" })
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.join("kernel"),
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)?,
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&mut fs.root_dir().create_file(&path)?,
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)
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.map(|_| ())
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})()
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.map_err(Report::from)
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.change_context(Error::Io)
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}
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fn run(release: bool, target: Target, do_accel: bool) -> Result<(), Error> {
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let target_str = match target {
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Target::X86_64 | Target::X86_64Avx2 => "qemu-system-x86_64",
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Target::Riscv64Virt => "qemu-system-riscv64",
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Target::Aarch64 => "qemu-system-aarch64",
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};
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let (mut com, mut com2) = (Command::new(target_str), Command::new(target_str));
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let ovmf_path = fetch_ovmf(target);
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#[cfg(target_arch = "x86_64")]
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let accel = if do_accel {
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let supported = String::from_utf8(
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com2.args(["--accel", "help"])
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.stdout(Stdio::piped())
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.stderr(Stdio::piped())
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.spawn()
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.unwrap()
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.wait_with_output()
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.unwrap()
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.stdout,
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)
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.unwrap();
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let cpuid = raw_cpuid::CpuId::new();
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let vmx = cpuid.get_feature_info().unwrap().has_vmx();
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let svm = cpuid.get_svm_info().is_some();
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if supported.contains("kvm") && (vmx || svm) {
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"accel=kvm"
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} else if cpuid
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.get_processor_brand_string()
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.filter(|a| a.as_str() == "GenuineIntel")
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.is_some()
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&& supported.contains("hax")
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&& vmx
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{
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"accel=hax"
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} else if supported.contains("whpx") {
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"accel=whpx"
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} else {
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"accel=tcg"
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}
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} else {
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"accel=tcg"
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};
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#[cfg(not(target_arch = "x86_64"))]
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let accel = "accel=tcg";
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match target {
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Target::X86_64 | Target::X86_64Avx2 => {
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#[rustfmt::skip]
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com.args([
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"-bios", &ovmf_path.change_context(Error::OvmfFetch)?,
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"-drive", "file=target/disk.img,format=raw",
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"-device", "vmware-svga",
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// "-serial", "stdio",
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"-m", "2G",
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"-smp", "1",
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"-parallel", "none",
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"-monitor", "none",
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"-machine", accel,
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"-cpu", "max",
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"-device", "isa-debug-exit,iobase=0xf4,iosize=0x04",
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]);
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}
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Target::Riscv64Virt => {
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#[rustfmt::skip]
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com.args([
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"-M", "virt",
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"-m", "128M",
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"-serial", "stdio",
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"-kernel",
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if release {
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"target/riscv64-virt-ableos/release/kernel"
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} else {
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"target/riscv64-virt-ableos/debug/kernel"
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}
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]);
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}
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Target::Aarch64 => {
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#[rustfmt::skip]
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com.args([
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"-M", "virt",
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"-cpu", "neoverse-n2",
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"-device", "ramfb",
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"-device", "qemu-xhci",
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"-device", "usb-kbd",
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"-m", "2G",
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"-bios", &ovmf_path.change_context(Error::OvmfFetch)?,
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"-drive", "file=target/disk.img,format=raw",
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]);
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}
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}
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match com
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.status()
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.map_err(Report::from)
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.change_context(Error::ProcessSpawn)?
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{
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s if s.success() => Ok(()),
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s => Err(report!(Error::Qemu(s.code()))),
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}
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}
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fn fetch_ovmf(target: Target) -> Result<String, OvmfFetchError> {
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let (ovmf_url, ovmf_path) = match target {
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Target::X86_64 | Target::X86_64Avx2 => (
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"https://retrage.github.io/edk2-nightly/bin/RELEASEX64_OVMF.fd",
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"target/RELEASEX64_OVMF.fd",
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),
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Target::Riscv64Virt => return Err(OvmfFetchError::Empty.into()),
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Target::Aarch64 => (
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"https://retrage.github.io/edk2-nightly/bin/RELEASEAARCH64_QEMU_EFI.fd",
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"target/RELEASEAARCH64_QEMU_EFI.fd",
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),
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};
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let mut file = match std::fs::metadata(ovmf_path) {
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Err(e) if e.kind() == std::io::ErrorKind::NotFound => std::fs::OpenOptions::new()
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.create(true)
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.write(true)
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.read(true)
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.open(ovmf_path)
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.map_err(Report::from)
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.change_context(OvmfFetchError::Io)?,
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Ok(_) => return Ok(ovmf_path.to_owned()),
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Err(e) => return Err(report!(e).change_context(OvmfFetchError::Io)),
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};
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let req = ureq::get(ovmf_url)
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.call()
|
|
.map_err(Report::from)
|
|
.change_context(OvmfFetchError::Fetch)?;
|
|
|
|
std::io::copy(&mut req.into_reader(), &mut file)
|
|
.map_err(Report::from)
|
|
.change_context(OvmfFetchError::Io)?;
|
|
|
|
Ok(ovmf_path.to_owned())
|
|
}
|
|
|
|
#[derive(Debug, Display)]
|
|
enum OvmfFetchError {
|
|
#[display("Failed to fetch OVMF package")]
|
|
Fetch,
|
|
#[display("No OVMF package available")]
|
|
Empty,
|
|
#[display("IO Error")]
|
|
Io,
|
|
}
|
|
|
|
impl Context for OvmfFetchError {}
|
|
|
|
#[derive(Clone, Copy, PartialEq, Eq)]
|
|
enum Target {
|
|
X86_64,
|
|
X86_64Avx2,
|
|
Riscv64Virt,
|
|
Aarch64,
|
|
}
|
|
|
|
#[allow(unused)]
|
|
#[derive(Debug, Display)]
|
|
enum Error {
|
|
#[display("Failed to build the kernel")]
|
|
Build,
|
|
#[display("Missing or invalid subcommand (available: build, run)")]
|
|
InvalidSubCom,
|
|
#[display("IO Error")]
|
|
Io,
|
|
#[display("Failed to spawn a process")]
|
|
ProcessSpawn,
|
|
#[display("Failed to fetch UEFI firmware")]
|
|
OvmfFetch,
|
|
#[display("Failed to assemble Holey Bytes code")]
|
|
Assembler,
|
|
#[display("QEMU Error: {}", "fmt_qemu_err(*_0)")]
|
|
Qemu(Option<i32>),
|
|
}
|
|
|
|
impl Context for Error {}
|
|
|
|
#[allow(dead_code)]
|
|
fn fmt_qemu_err(e: Option<i32>) -> impl Display {
|
|
struct W(Option<i32>);
|
|
impl Display for W {
|
|
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
|
if let Some(c) = self.0 {
|
|
c.fmt(f)
|
|
} else {
|
|
f.write_str("Interrupted by signal")
|
|
}
|
|
}
|
|
}
|
|
|
|
W(e)
|
|
}
|