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Add user_stack_size to Machine and use it for threads sp

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This commit is contained in:
Quentin Legot
2023-05-09 17:01:52 +02:00
parent 7d29b92eba
commit 7be0c0accc
6 changed files with 34 additions and 16 deletions
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6
src/kernel/exception.rs
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@@ -3,7 +3,7 @@ use std::{cell::RefCell, rc::Rc};
use crate::{simulator::{machine::{ExceptionType, Machine}, error::{MachineOk, MachineError}}};
use crate::kernel::synch::{Lock, Semaphore};
use super::{system::{System, self}, thread::Thread};
use super::{system::System, thread::Thread};
/// The halt system call. Stops Burritos.
pub const SC_SHUTDOWN: u8 = 0;
@@ -282,7 +282,9 @@ fn sc_new_thread(machine: &mut Machine, system: &mut System) -> Result<MachineOk
};
let current_thread = current_thread.borrow_mut();
if let Some(process) = current_thread.get_process_owner() {
system.get_thread_manager().start_thread(n_thread, Rc::clone(&process), func as u64, current_thread.thread_context.int_registers[2] as u64 + machine.page_size, args);
let sp_max = system.get_thread_manager().get_sp_max() + machine.user_stack_size;
system.get_thread_manager().set_sp_max(sp_max);
system.get_thread_manager().start_thread(n_thread, Rc::clone(&process), func as u64, sp_max, args);
// TODO changé la valeur de sp quand on supportera les addresses virtuels
machine.write_int_register(10, tid as i64);
Ok(MachineOk::Ok)