forked from AbleOS/ableos
scheduler but i stole the code from the engine and tried to stuff it into the scheduler and i have no idea if it works or not but it porbably does
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359d62c1b0
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@ -66,7 +66,7 @@ pub fn kmain(cmdline: &str, boot_modules: BootModules) -> ! {
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// use {crate::host::TrapHandler, hbvm::vm::Vm};
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// use {crate::host::TrapHandler, hbvm::vm::Vm};
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let mut sched = Scheduler::new();
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let mut sched = Scheduler::new();
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sched.new_process(prog.clone());
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sched.new_process(prog.clone());
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sched.scheduler_loop();
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sched.scheduler_run();
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// let mut vm;
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// let mut vm;
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// unsafe {
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// unsafe {
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// vm = Vm::new_unchecked(&prog, TrapHandler);
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// vm = Vm::new_unchecked(&prog, TrapHandler);
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@ -1,16 +1,29 @@
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use alloc::{collections::VecDeque, vec::Vec, rc::Rc, slice};
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use {
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use hbvm::validate::validate;
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alloc::{collections::VecDeque, rc::Rc, slice, vec::Vec},
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hbvm::validate::validate,
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};
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use {crate::host::TrapHandler, hbvm::vm::Vm};
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use {crate::host::TrapHandler, hbvm::vm::Vm};
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pub struct Scheduler<'a> {
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pub struct Scheduler<'a> {
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data: VecDeque<Vm<'a, TrapHandler>>,
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data: VecDeque<Vm<'a, TrapHandler>>,
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pub tick_callback: Option<fn() -> u64>,
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pub last_timer_count: u64,
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pub tick_limit: u64,
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}
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}
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// NOTE: This is a very simple schduler and it sucks and should be replaced with a better one
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// Written By Yours Truly: Munir
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impl Scheduler<'_> {
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impl Scheduler<'_> {
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pub fn new() -> Self {
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pub fn new() -> Self {
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Self {
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Self {
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data: VecDeque::new(),
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data: VecDeque::new(),
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tick_callback: None,
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last_timer_count: 0,
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tick_limit: 64,
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}
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}
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}
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}
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pub fn new_process(&mut self, program: Vec<u8>) {
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pub fn new_process(&mut self, program: Vec<u8>) {
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@ -19,8 +32,6 @@ impl Scheduler<'_> {
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let binding = Rc::try_unwrap(prog_arc).ok().unwrap();
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let binding = Rc::try_unwrap(prog_arc).ok().unwrap();
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#[allow(clippy::redundant_else)]
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#[allow(clippy::redundant_else)]
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if let Err(e) = validate(&program.as_slice()) {
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if let Err(e) = validate(&program.as_slice()) {
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log::error!("Program validation error: {e:?}");
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log::error!("Program validation error: {e:?}");
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@ -35,11 +46,21 @@ impl Scheduler<'_> {
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}
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}
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}
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}
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pub fn scheduler_loop(&mut self){
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pub fn scheduler_run(&mut self) -> Option<u32> {
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loop {
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loop {
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let mut prog = self.data.pop_front().unwrap();
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let mut prog = self.data.pop_front().unwrap();
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prog.run().unwrap();
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prog.run().unwrap();
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self.data.push_back(prog);
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self.data.push_back(prog);
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if self.tick_callback.is_some() {
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let ret = self.tick_callback.unwrap()();
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if (ret - self.last_timer_count) >= self.tick_limit {
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return Some(0);
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}
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}
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}
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}
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break;
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}
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Some(1)
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}
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}
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}
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