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Debugging sys_exec :(

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This commit is contained in:
Yifan Wu 2021-09-30 10:09:21 -07:00
parent 6d88ef9d99
commit ad0a7bcaa1
14 changed files with 371 additions and 182 deletions
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18
os/src/task/processor.rs
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@ -1,4 +1,4 @@
use super::{TaskContext, TaskControlBlock};
use super::{TaskContext, TaskControlBlock, ProcessControlBlock};
use alloc::sync::Arc;
use lazy_static::*;
use super::{fetch_task, TaskStatus};
@ -55,6 +55,8 @@ pub fn run_tasks() {
next_task_cx_ptr,
);
}
} else {
println!("no tasks available in run_tasks");
}
}
}
@ -67,9 +69,13 @@ pub fn current_task() -> Option<Arc<TaskControlBlock>> {
PROCESSOR.exclusive_access().current()
}
pub fn current_process() -> Arc<ProcessControlBlock> {
current_task().unwrap().process.upgrade().unwrap()
}
pub fn current_user_token() -> usize {
let task = current_task().unwrap();
let token = task.inner_exclusive_access().get_user_token();
let token = task.get_user_token();
token
}
@ -77,6 +83,14 @@ pub fn current_trap_cx() -> &'static mut TrapContext {
current_task().unwrap().inner_exclusive_access().get_trap_cx()
}
pub fn current_trap_cx_user_va() -> usize {
current_task().unwrap().inner_exclusive_access().res.trap_cx_user_va()
}
pub fn current_kstack_top() -> usize {
current_task().unwrap().inner_exclusive_access().res.kstack_top()
}
pub fn schedule(switched_task_cx_ptr: *mut TaskContext) {
let mut processor = PROCESSOR.exclusive_access();
let idle_task_cx_ptr = processor.get_idle_task_cx_ptr();