Tateisi/rcore-tutorial
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Remove K210 support.

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This commit is contained in:
Yifan Wu 2022-12-13 23:52:27 +08:00
parent 3fba081487
commit 775755cf12
17 changed files with 10 additions and 994 deletions
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27
os/src/fs/stdio.rs
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@ -1,12 +1,7 @@
use super::File;
use crate::drivers::chardev::CharDevice;
#[cfg(feature = "board_qemu")]
use crate::drivers::chardev::UART;
use crate::mm::UserBuffer;
#[cfg(feature = "board_k210")]
use crate::sbi::console_getchar;
#[cfg(feature = "board_k210")]
use crate::task::suspend_current_and_run_next;
pub struct Stdin;
pub struct Stdout;
@ -18,7 +13,6 @@ impl File for Stdin {
fn writable(&self) -> bool {
false
}
#[cfg(feature = "board_qemu")]
fn read(&self, mut user_buf: UserBuffer) -> usize {
assert_eq!(user_buf.len(), 1);
//println!("before UART.read() in Stdin::read()");
@ -28,27 +22,6 @@ impl File for Stdin {
}
1
}
#[cfg(feature = "board_k210")]
fn read(&self, mut user_buf: UserBuffer) -> usize {
assert_eq!(user_buf.len(), 1);
// busy loop
let mut c: usize;
loop {
c = console_getchar();
if c == 0 {
suspend_current_and_run_next();
continue;
} else {
break;
}
}
let ch = c as u8;
unsafe {
user_buf.buffers[0].as_mut_ptr().write_volatile(ch);
}
1
}
fn write(&self, _user_buf: UserBuffer) -> usize {
panic!("Cannot write to stdin!");
}