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Remove pipe && Fix cat and huge_write.

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This commit is contained in:
Yifan Wu 2022-01-18 03:33:58 -08:00
parent 57f7debbc6
commit 5389b7adca
10 changed files with 7 additions and 332 deletions
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5
user/src/syscall.rs
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@ -3,7 +3,6 @@ use core::arch::asm;
const SYSCALL_DUP: usize = 24;
const SYSCALL_OPEN: usize = 56;
const SYSCALL_CLOSE: usize = 57;
const SYSCALL_PIPE: usize = 59;
const SYSCALL_READ: usize = 63;
const SYSCALL_WRITE: usize = 64;
const SYSCALL_EXIT: usize = 93;
@ -40,10 +39,6 @@ pub fn sys_close(fd: usize) -> isize {
syscall(SYSCALL_CLOSE, [fd, 0, 0])
}
pub fn sys_pipe(pipe: &mut [usize]) -> isize {
syscall(SYSCALL_PIPE, [pipe.as_mut_ptr() as usize, 0, 0])
}
pub fn sys_read(fd: usize, buffer: &mut [u8]) -> isize {
syscall(SYSCALL_READ, [fd, buffer.as_mut_ptr() as usize, buffer.len()])
}