ableos/kernel/src/kmain.rs

91 lines
2.3 KiB
Rust

//! AbleOS Kernel Entrypoint
use {hashbrown::HashMap, hbvm::mem::Address};
use crate::{
capabilities,
holeybytes::ExecThread,
ipc::buffer::{self, IpcBuffer},
};
// use crate::arch::sloop;
use {
crate::{
bootmodules::{build_cmd, BootModules},
device_tree::DeviceTree,
},
alloc::format,
log::{debug, info, trace},
spin::{Lazy, Mutex},
xml::XMLElement,
};
pub fn kmain(cmdline: &str, boot_modules: BootModules) -> ! {
debug!("Entered kmain");
let kcmd = build_cmd("Kernel Command Line", cmdline);
trace!("Cmdline: {kcmd:?}");
for (i, bm) in boot_modules.iter().enumerate() {
let name = format!("module-{}", i);
let _bmcmd: XMLElement;
if bm.cmd.len() >= 2 {
// TODO: pass into the program
// Pass CMDLine into an IPCBuffer and put the ptr to the IPCBuffer in r200
_bmcmd = build_cmd(name, bm.cmd.clone());
}
}
let dt = DEVICE_TREE.lock();
// TODO(Able): This line causes a deadlock
info!("Device Tree: {}", dt);
info!("Boot complete. Moving to init_system");
// TODO: schedule the disk driver from the initramfs
// TODO: schedule the filesystem driver from the initramfs
// TODO: Schedule the VFS from initramfs
// TODO: schedule the init system from the initramfs
let mut executor = crate::task::Executor::default();
let bm_take = boot_modules.len();
unsafe {
for module in boot_modules.into_iter().take(bm_take) {
executor.spawn(async move {
if let Err(e) = ExecThread::new(&module.bytes, Address::new(0)).await {
log::error!("{e:?}");
}
});
}
executor.run();
};
crate::arch::spin_loop()
}
pub static DEVICE_TREE: Lazy<Mutex<DeviceTree>> = Lazy::new(|| {
let dt = DeviceTree::new();
Mutex::new(dt)
});
use alloc::vec::Vec;
pub type IpcBuffers = HashMap<u64, IpcBuffer>;
pub static IPC_BUFFERS: Lazy<Mutex<IpcBuffers>> = Lazy::new(|| {
let mut bufs = HashMap::new();
let log_buffer = IpcBuffer::new(false, 0);
let file_buffer = IpcBuffer::new(false, 0);
bufs.insert(1, log_buffer);
bufs.insert(2, file_buffer);
Mutex::new(bufs)
});
#[test_case]
fn trivial_assertion() {
trace!("trivial assertion... ");
assert_eq!(1, 1);
info!("[ok]");
}