os/syscall/
mod.rs

1const SYSCALL_DUP: usize = 24;
2const SYSCALL_OPEN: usize = 56;
3const SYSCALL_CLOSE: usize = 57;
4const SYSCALL_PIPE: usize = 59;
5const SYSCALL_READ: usize = 63;
6const SYSCALL_WRITE: usize = 64;
7const SYSCALL_EXIT: usize = 93;
8const SYSCALL_SLEEP: usize = 101;
9const SYSCALL_YIELD: usize = 124;
10const SYSCALL_KILL: usize = 129;
11const SYSCALL_GET_TIME: usize = 169;
12const SYSCALL_GETPID: usize = 172;
13const SYSCALL_FORK: usize = 220;
14const SYSCALL_EXEC: usize = 221;
15const SYSCALL_WAITPID: usize = 260;
16const SYSCALL_THREAD_CREATE: usize = 1000;
17const SYSCALL_GETTID: usize = 1001;
18const SYSCALL_WAITTID: usize = 1002;
19const SYSCALL_MUTEX_CREATE: usize = 1010;
20const SYSCALL_MUTEX_LOCK: usize = 1011;
21const SYSCALL_MUTEX_UNLOCK: usize = 1012;
22const SYSCALL_SEMAPHORE_CREATE: usize = 1020;
23const SYSCALL_SEMAPHORE_UP: usize = 1021;
24const SYSCALL_SEMAPHORE_DOWN: usize = 1022;
25const SYSCALL_CONDVAR_CREATE: usize = 1030;
26const SYSCALL_CONDVAR_SIGNAL: usize = 1031;
27const SYSCALL_CONDVAR_WAIT: usize = 1032;
28
29mod fs;
30mod process;
31mod sync;
32mod thread;
33
34use fs::*;
35use process::*;
36use sync::*;
37use thread::*;
38
39pub fn syscall(syscall_id: usize, args: [usize; 3]) -> isize {
40    match syscall_id {
41        SYSCALL_DUP => sys_dup(args[0]),
42        SYSCALL_OPEN => sys_open(args[0] as *const u8, args[1] as u32),
43        SYSCALL_CLOSE => sys_close(args[0]),
44        SYSCALL_PIPE => sys_pipe(args[0] as *mut usize),
45        SYSCALL_READ => sys_read(args[0], args[1] as *const u8, args[2]),
46        SYSCALL_WRITE => sys_write(args[0], args[1] as *const u8, args[2]),
47        SYSCALL_EXIT => sys_exit(args[0] as i32),
48        SYSCALL_SLEEP => sys_sleep(args[0]),
49        SYSCALL_YIELD => sys_yield(),
50        SYSCALL_KILL => sys_kill(args[0], args[1] as u32),
51        SYSCALL_GET_TIME => sys_get_time(),
52        SYSCALL_GETPID => sys_getpid(),
53        SYSCALL_FORK => sys_fork(),
54        SYSCALL_EXEC => sys_exec(args[0] as *const u8, args[1] as *const usize),
55        SYSCALL_WAITPID => sys_waitpid(args[0] as isize, args[1] as *mut i32),
56        SYSCALL_THREAD_CREATE => sys_thread_create(args[0], args[1]),
57        SYSCALL_GETTID => sys_gettid(),
58        SYSCALL_WAITTID => sys_waittid(args[0]) as isize,
59        SYSCALL_MUTEX_CREATE => sys_mutex_create(args[0] == 1),
60        SYSCALL_MUTEX_LOCK => sys_mutex_lock(args[0]),
61        SYSCALL_MUTEX_UNLOCK => sys_mutex_unlock(args[0]),
62        SYSCALL_SEMAPHORE_CREATE => sys_semaphore_create(args[0]),
63        SYSCALL_SEMAPHORE_UP => sys_semaphore_up(args[0]),
64        SYSCALL_SEMAPHORE_DOWN => sys_semaphore_down(args[0]),
65        SYSCALL_CONDVAR_CREATE => sys_condvar_create(),
66        SYSCALL_CONDVAR_SIGNAL => sys_condvar_signal(args[0]),
67        SYSCALL_CONDVAR_WAIT => sys_condvar_wait(args[0], args[1]),
68        _ => panic!("Unsupported syscall_id: {}", syscall_id),
69    }
70}
os/syscall/mod.rs

os/syscall/
mod.rs
