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| author | joboet <jonasboettiger@icloud.com> | 2024-01-11 20:10:25 +0100 |
|---|---|---|
| committer | joboet <jonasboettiger@icloud.com> | 2024-01-11 20:10:25 +0100 |
| commit | 99128b7e45f8b95d962da2e6ea584767f0c85455 (patch) | |
| tree | 20874cb2d8526a427342c32a45bc63a21022499c /library/std/src/sys/teeos/stdio.rs | |
| parent | 062e7c6a951c1e4f33c0a6f6761755949cde15ec (diff) | |
| download | rust-99128b7e45f8b95d962da2e6ea584767f0c85455.tar.gz rust-99128b7e45f8b95d962da2e6ea584767f0c85455.zip | |
std: begin moving platform support modules into `pal`
Diffstat (limited to 'library/std/src/sys/teeos/stdio.rs')
| -rw-r--r-- | library/std/src/sys/teeos/stdio.rs | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/library/std/src/sys/teeos/stdio.rs b/library/std/src/sys/teeos/stdio.rs deleted file mode 100644 index 9ca04f29273..00000000000 --- a/library/std/src/sys/teeos/stdio.rs +++ /dev/null @@ -1,88 +0,0 @@ -#![deny(unsafe_op_in_unsafe_fn)] - -use crate::io; -use core::arch::asm; - -pub struct Stdin; -pub struct Stdout; -pub struct Stderr; - -const KCALL_DEBUG_CMD_PUT_BYTES: i64 = 2; - -unsafe fn debug_call(cap_ref: u64, call_no: i64, arg1: u64, arg2: u64) -> i32 { - let ret: u64; - unsafe { - asm!( - "svc #99", - inout("x0") cap_ref => ret, - in("x1") call_no, - in("x2") arg1, - in("x3") arg2, - ); - } - - ret as i32 -} - -fn print_buf(s: &[u8]) -> io::Result<usize> { - // Corresponds to `HM_DEBUG_PUT_BYTES_LIMIT`. - const MAX_LEN: usize = 512; - let len = if s.len() > MAX_LEN { MAX_LEN } else { s.len() }; - let result = unsafe { debug_call(0, KCALL_DEBUG_CMD_PUT_BYTES, s.as_ptr() as u64, len as u64) }; - - if result == 0 { Ok(len) } else { Err(io::Error::from(io::ErrorKind::InvalidInput)) } -} - -impl Stdin { - pub const fn new() -> Stdin { - Stdin - } -} - -impl io::Read for Stdin { - fn read(&mut self, _buf: &mut [u8]) -> io::Result<usize> { - Ok(0) - } -} - -impl Stdout { - pub const fn new() -> Stdout { - Stdout - } -} - -impl io::Write for Stdout { - fn write(&mut self, buf: &[u8]) -> io::Result<usize> { - print_buf(buf) - } - - fn flush(&mut self) -> io::Result<()> { - Ok(()) - } -} - -impl Stderr { - pub const fn new() -> Stderr { - Stderr - } -} - -impl io::Write for Stderr { - fn write(&mut self, buf: &[u8]) -> io::Result<usize> { - print_buf(buf) - } - - fn flush(&mut self) -> io::Result<()> { - Ok(()) - } -} - -pub const STDIN_BUF_SIZE: usize = 0; - -pub fn is_ebadf(err: &io::Error) -> bool { - err.raw_os_error() == Some(libc::EBADF as i32) -} - -pub fn panic_output() -> Option<impl io::Write> { - Some(Stderr::new()) -} |
