forked from AbleOS/ableos
119 lines
3.7 KiB
Rust
119 lines
3.7 KiB
Rust
//! AbleOS Kernel Entrypoint
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// use crate::arch::sloop;
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use {
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crate::{
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arch::logging::SERIAL_CONSOLE,
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bootmodules::{build_cmd, BootModules},
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device_tree::DeviceTree,
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scheduler::Scheduler,
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},
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alloc::format,
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log::{debug, info, trace},
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spin::{Lazy, Mutex},
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xml::XMLElement,
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};
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pub fn kmain(cmdline: &str, boot_modules: BootModules) -> ! {
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debug!("Entered kmain");
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let kcmd = build_cmd("Kernel Command Line", &cmdline);
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trace!("Cmdline: {kcmd:?}");
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for (i, bm) in boot_modules.iter().enumerate() {
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let name = format!("module-{}", i);
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let _bmcmd: XMLElement;
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if bm.cmd.len() >= 2 {
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// TODO: pass into the program
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_bmcmd = build_cmd(name, bm.cmd.clone());
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}
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}
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let dt = DEVICE_TREE.lock();
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info!("Device Tree: {}", dt);
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info!("Boot complete. Moving to init_system");
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// TODO: schedule the disk driver from the initramfs
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// TODO: schedule the filesystem driver from the initramfs
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// TODO: schedule the init system from the initramfs
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// TODO: change this to a driver
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{
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let mut prog = alloc::vec![];
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let mut code = alloc::string::String::new();
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let mut sc = SERIAL_CONSOLE.lock();
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loop {
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match sc.receive() {
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b'\r' => {
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code.push('\n');
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sc.send(b'\r');
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sc.send(b'\n');
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match hbasm::assembly(&code, &mut prog) {
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Ok(_) => {
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use hbvm::validate::validate;
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match validate(&prog) {
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Err(_e) => {
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// log::error!("Program validation error: {e:?}");
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}
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Ok(_) => {
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// log::info!("valid program");
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// use {crate::host::TrapHandler, hbvm::vm::Vm};
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let mut sched = Scheduler::new();
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sched.new_process(prog.clone());
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sched.scheduler_run();
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// let mut vm;
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// unsafe {
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// vm = Vm::new_unchecked(&prog, TrapHandler);
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// vm.memory.insert_test_page();
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// }
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// log::info!("Program interrupt: {:?}", vm.run());
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// log::debug!("{:?}", vm.registers);
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}
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}
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sc.send(b'>');
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}
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Err(_e) => {
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// log::error!(
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// "Error {:?} at {:?} (`{}`)",
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// e.kind,
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// e.span.clone(),
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// &code[e.span],
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// );
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for x in "err".as_bytes() {
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sc.send(*x);
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}
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}
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}
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code = alloc::string::String::new();
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}
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byte => {
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code.push(byte as char);
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sc.send(byte);
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}
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}
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}
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}
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// sloop();
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}
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pub static DEVICE_TREE: Lazy<Mutex<DeviceTree>> = Lazy::new(|| {
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let dt = DeviceTree::new();
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Mutex::new(dt)
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});
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#[test_case]
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fn trivial_assertion() {
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trace!("trivial assertion... ");
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assert_eq!(1, 1);
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info!("[ok]");
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}
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