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Simple filetest passed on qemu/k210.

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This commit is contained in:
Yifan Wu 2020-12-20 13:52:38 +08:00
parent b68278f22e
commit b121689d08
11 changed files with 159 additions and 24 deletions
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5
user/src/syscall.rs
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@ -1,3 +1,4 @@
const SYSCALL_OPEN: usize = 56;
const SYSCALL_CLOSE: usize = 57;
const SYSCALL_PIPE: usize = 59;
const SYSCALL_READ: usize = 63;
@ -23,6 +24,10 @@ fn syscall(id: usize, args: [usize; 3]) -> isize {
ret
}
pub fn sys_open(path: &str, flags: u32) -> isize {
syscall(SYSCALL_OPEN, [path.as_ptr() as usize, flags as usize, 0])
}
pub fn sys_close(fd: usize) -> isize {
syscall(SYSCALL_CLOSE, [fd, 0, 0])
}