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Merge pull request 'master' (#5) from IntoTheNight/ableos:master into master

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Reviewed-on: https://git.ablecorp.us/AbleOS/ableos/pulls/5
This commit is contained in:
able 2023-07-12 16:48:02 +00:00
parent a18ca4335f 473598d5df
commit 1455f1712c
3 changed files with 58 additions and 23 deletions
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0
a.out Normal file
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20
kernel/src/kmain.rs
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@ -8,6 +8,8 @@ use {
arch::logging::SERIAL_CONSOLE,
bootmodules::{build_cmd, BootModules},
device_tree::DeviceTree,
scheduler::Scheduler,
},
alloc::format,
log::{debug, info, trace},
@ -32,7 +34,7 @@ pub fn kmain(cmdline: &str, boot_modules: BootModules) -> ! {
let dt = DEVICE_TREE.lock();
info!("Device Tree{}", dt);
info!("Device Tree: {}", dt);
info!("Boot complete. Moving to init_system");
// TODO: schedule the disk driver from the initramfs
@ -63,13 +65,17 @@ pub fn kmain(cmdline: &str, boot_modules: BootModules) -> ! {
// log::error!("Program validation error: {e:?}");
}
Ok(_) => {
// log::info!("valid program");
use {crate::host::TrapHandler, hbvm::vm::Vm};
let mut vm;
unsafe {
vm = Vm::new_unchecked(&prog, TrapHandler);
vm.memory.insert_test_page();
}
// use {crate::host::TrapHandler, hbvm::vm::Vm};
let mut sched = Scheduler::new();
sched.new_process(prog.clone());
sched.scheduler_run();
// let mut vm;
// unsafe {
// vm = Vm::new_unchecked(&prog, TrapHandler);
// vm.memory.insert_test_page();
// }
// log::info!("Program interrupt: {:?}", vm.run());
// log::debug!("{:?}", vm.registers);
}

61
kernel/src/scheduler.rs
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@ -1,22 +1,51 @@
use {crate::host::TrapHandler, alloc::vec::Vec, hbvm::vm::Vm};
use {
alloc::{collections::VecDeque, rc::Rc, slice, vec::Vec},
hbvm::validate::validate,
};
use {crate::host::TrapHandler, hbvm::vm::Vm};
pub struct Scheduler<'a> {
data: Vec<Vm<'a, TrapHandler>>,
data: VecDeque<Vm<'a, TrapHandler>>,
}
// NOTE: This is a very simple schduler and it sucks and should be replaced with a better one
// Written By Yours Truly: Munir
impl Scheduler<'_> {
// fn new_process(&mut self, program: Vec<u8>) {
// let prog = program.clone();
// #[allow(clippy::redundant_else)]
// if let Err(e) = validate(&prog) {
// log::error!("Program validation error: {e:?}");
// } else {
// log::info!("valid program");
// unsafe {
// let mut vm = Vm::new_unchecked(&prog, TrapHandler);
// vm.memory.insert_test_page();
// self.data.push(vm);
// }
// }
// }
pub fn new() -> Self {
Self {
data: VecDeque::new(),
}
}
pub fn new_process(&mut self, program: Vec<u8>) {
let prog = program.clone();
let prog_arc = Rc::new(prog);
let binding = Rc::try_unwrap(prog_arc).ok().unwrap();
#[allow(clippy::redundant_else)]
if let Err(e) = validate(&program.as_slice()) {
log::error!("Program validation error: {e:?}");
} else {
log::info!("valid program");
unsafe {
let slice = slice::from_raw_parts(binding.as_ptr(), binding.len());
let mut vm = Vm::new_unchecked(&*slice, TrapHandler);
vm.memory.insert_test_page();
self.data.push_front(vm);
}
}
}
pub fn scheduler_run(&mut self) -> Option<u32> {
loop {
let mut prog = self.data.pop_front().unwrap();
prog.run().unwrap();
self.data.push_back(prog);
}
}
}