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Add MutexSpin and several syscalls.

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This commit is contained in:
Yifan Wu 2021-10-07 12:40:47 -07:00
parent d1e55d85d8
commit 8974a29245
8 changed files with 159 additions and 2 deletions
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8
os/src/syscall/mod.rs
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@ -14,14 +14,19 @@ const SYSCALL_WAITPID: usize = 260;
const SYSCALL_THREAD_CREATE: usize = 1000;
const SYSCALL_GETTID: usize = 1001;
const SYSCALL_WAITTID: usize = 1002;
const SYSCALL_MUTEX_CREATE: usize = 1010;
const SYSCALL_MUTEX_LOCK: usize = 1011;
const SYSCALL_MUTEX_UNLOCK: usize = 1012;
mod fs;
mod process;
mod thread;
mod sync;
use fs::*;
use process::*;
use thread::*;
use sync::*;
pub fn syscall(syscall_id: usize, args: [usize; 3]) -> isize {
match syscall_id {
@ -41,6 +46,9 @@ pub fn syscall(syscall_id: usize, args: [usize; 3]) -> isize {
SYSCALL_THREAD_CREATE => sys_thread_create(args[0]),
SYSCALL_GETTID => sys_gettid(),
SYSCALL_WAITTID => sys_waittid(args[0]) as isize,
SYSCALL_MUTEX_CREATE => sys_mutex_create(),
SYSCALL_MUTEX_LOCK => sys_mutex_lock(args[0]),
SYSCALL_MUTEX_UNLOCK => sys_mutex_unlock(args[0]),
_ => panic!("Unsupported syscall_id: {}", syscall_id),
}
}