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Implement many process syscalls.

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This commit is contained in:
Yifan Wu 2020-12-10 11:57:26 +08:00
parent 81bef97f09
commit 3642f9c56d
20 changed files with 383 additions and 88 deletions
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8
os/src/syscall/mod.rs
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@ -3,6 +3,10 @@ const SYSCALL_WRITE: usize = 64;
const SYSCALL_EXIT: usize = 93;
const SYSCALL_YIELD: usize = 124;
const SYSCALL_GET_TIME: usize = 169;
const SYSCALL_GETPID: usize = 172;
const SYSCALL_FORK: usize = 220;
const SYSCALL_EXEC: usize = 221;
const SYSCALL_WAITPID: usize = 260;
mod fs;
mod process;
@ -17,6 +21,10 @@ pub fn syscall(syscall_id: usize, args: [usize; 3]) -> isize {
SYSCALL_EXIT => sys_exit(args[0] as i32),
SYSCALL_YIELD => sys_yield(),
SYSCALL_GET_TIME => sys_get_time(),
SYSCALL_GETPID => sys_getpid(),
SYSCALL_FORK => sys_fork(),
SYSCALL_EXEC => sys_exec(args[0] as *const u8),
SYSCALL_WAITPID => sys_waitpid(args[0] as isize, args[1] as *mut i32),
_ => panic!("Unsupported syscall_id: {}", syscall_id),
}
}