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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 e56ea17566
commit 8fbadfc951
20 changed files with 383 additions and 88 deletions
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4
user/src/syscall.rs
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@ -29,8 +29,8 @@ pub fn sys_write(fd: usize, buffer: &[u8]) -> isize {
syscall(SYSCALL_WRITE, [fd, buffer.as_ptr() as usize, buffer.len()])
}
pub fn sys_exit(xstate: i32) -> ! {
syscall(SYSCALL_EXIT, [xstate as usize, 0, 0]);
pub fn sys_exit(exit_code: i32) -> ! {
syscall(SYSCALL_EXIT, [exit_code as usize, 0, 0]);
panic!("sys_exit never returns!");
}