Tateisi/rcore-tutorial
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Switch ok with debug mode apps, implement sys_exit correctly later.

Browse source
This commit is contained in:
Yifan Wu 2020-11-29 01:31:36 +08:00
parent 4e8059e222
commit 3f3e6b2b99
16 changed files with 244 additions and 147 deletions
Download patch file Download diff file Expand all files Collapse all files

3
os/src/syscall/mod.rs
View file

@ -1,7 +1,7 @@
const SYSCALL_WRITE: usize = 64;
const SYSCALL_EXIT: usize = 93;
const SYSCALL_YIELD: usize = 124;
const SYSCALL_GET_TIME: usize = 169;
//const SYSCALL_GET_TIME: usize = 169;
mod fs;
mod process;
@ -13,6 +13,7 @@ pub fn syscall(syscall_id: usize, args: [usize; 3]) -> isize {
match syscall_id {
SYSCALL_WRITE => sys_write(args[0], args[1] as *const u8, args[2]),
SYSCALL_EXIT => sys_exit(args[0] as i32),
SYSCALL_YIELD => sys_yield(),
_ => panic!("Unsupported syscall_id: {}", syscall_id),
}
}

10
os/src/syscall/process.rs
View file

@ -1,6 +1,12 @@
use crate::batch::run_next_app;
use crate::task::switch_to_next_task;
pub fn sys_exit(xstate: i32) -> ! {
println!("[kernel] Application exited with code {}", xstate);
run_next_app()
//run_next_app()
panic!("[kernel] first exit!");
}
pub fn sys_yield() -> isize {
switch_to_next_task();
0
}