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Stage2: multiple user threads based on uniprocessor, see new added test race_adder and threads.

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This commit is contained in:
Yifan Wu 2021-10-02 16:18:05 -07:00
parent 4fa4e9cab4
commit a341b338c8
12 changed files with 254 additions and 57 deletions
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13
os/src/task/processor.rs
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@ -84,11 +84,20 @@ pub fn current_trap_cx() -> &'static mut TrapContext {
}
pub fn current_trap_cx_user_va() -> usize {
current_task().unwrap().inner_exclusive_access().res.trap_cx_user_va()
current_task()
.unwrap()
.inner_exclusive_access()
.res
.as_ref()
.unwrap()
.trap_cx_user_va()
}
pub fn current_kstack_top() -> usize {
current_task().unwrap().inner_exclusive_access().res.kstack_top()
current_task()
.unwrap()
.kstack
.get_top()
}
pub fn schedule(switched_task_cx_ptr: *mut TaskContext) {