ableos/kernel/src/kmain.rs
2023-06-13 06:00:11 -05:00

84 lines
2.1 KiB
Rust

//! AbleOS Kernel Entrypoint
use {
crate::{alloc::string::ToString, arch::logging::SERIAL_CONSOLE, device_tree::DeviceTree},
hbvm::engine::Engine,
log::{debug, trace},
spin::{Lazy, Mutex},
};
pub fn kmain(cmdline: &str, bootstrap: Option<&'static [u8]>) -> ! {
debug!("Entered kmain");
let mut cmdline = cmdline.to_string();
cmdline.pop();
cmdline.remove(0);
let kcmd = clparse::Arguments::parse(cmdline.to_string()).unwrap();
trace!("Cmdline: {kcmd:?}");
let mut kcl = xml::XMLElement::new("Kernel Command Line");
for (key, value) in kcmd.arguments {
kcl.set_attribute(key, value);
}
debug!("kernel command line object: {:?}", kcl);
let bootstrap = bootstrap/*.expect("no bootstrap found")*/;
match bootstrap {
Some(bootstrap_mod) => {
debug!("Bootstrap Module: {:?}", bootstrap_mod);
}
None => {
debug!("No bootstrap module loaded.")
}
}
let dt = DEVICE_TREE.lock();
trace!("Device Tree{}", dt);
let bytes = alloc::vec![0];
let mut prog = Engine::new(bytes);
// prog.enviroment_call_table[0] = read_device_tree;
let _ = prog.run();
prog.dump();
// TODO: change this to a driver
{
let _buf = [8; 128 * 4];
let mut sc = SERIAL_CONSOLE.lock();
loop {
// TODO: Implement an API for sending and recieving serial stuff
{
fn read_ipc_buff() {}
fn write_ipc_buff() {}
// TODO: read from the IPC buffer and push to serial stream
let _msg = read_ipc_buff();
for byte in 0..0 {
sc.send(byte);
}
}
let byte = sc.receive();
if byte == b'\r' {
sc.send(b'\n');
sc.send(b'\r');
} else {
sc.send(byte);
}
}
}
}
pub static DEVICE_TREE: Lazy<Mutex<DeviceTree>> = Lazy::new(|| {
let dt = DeviceTree::new();
Mutex::new(dt)
});
#[test_case]
fn trivial_assertion() {
trace!("trivial assertion... ");
assert_eq!(1, 1);
info!("[ok]");
}