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make build BOARD=k210 sucessfully

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This commit is contained in:
Yu Chen 2022-06-23 22:23:49 +08:00
parent 8e6f364ecc
commit e7d6406f45
8 changed files with 96 additions and 9 deletions
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6
os/src/drivers/chardev/mod.rs
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@ -1,17 +1,17 @@
mod ns16550a;
pub use ns16550a::NS16550a;
#[cfg(feature = "board_qemu")]
use crate::board::CharDeviceImpl;
use alloc::sync::Arc;
use lazy_static::*;
pub use ns16550a::NS16550a;
pub trait CharDevice {
fn read(&self) -> u8;
fn write(&self, ch: u8);
fn handle_irq(&self);
}
#[cfg(feature = "board_qemu")]
lazy_static! {
pub static ref UART: Arc<CharDeviceImpl> = Arc::new(CharDeviceImpl::new());
}