about summary refs log tree commit diff
path: root/library/std/src/sys/teeos/stdio.rs
diff options
context:
space:
mode:
authorjoboet <jonasboettiger@icloud.com>2024-01-11 20:10:25 +0100
committerjoboet <jonasboettiger@icloud.com>2024-01-11 20:10:25 +0100
commit99128b7e45f8b95d962da2e6ea584767f0c85455 (patch)
tree20874cb2d8526a427342c32a45bc63a21022499c /library/std/src/sys/teeos/stdio.rs
parent062e7c6a951c1e4f33c0a6f6761755949cde15ec (diff)
downloadrust-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.rs88
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())
-}