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Remove SBI.

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This commit is contained in:
Yuhao Zhou 2019-04-01 12:05:22 +08:00
parent 95b9fe5f5b
commit 9bdac887f0
2 changed files with 1 additions and 66 deletions
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3
kernel/src/arch/mipsel/mod.rs
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@ -1,5 +1,5 @@
pub mod io;
//pub mod interrupt;
pub mod interrupt;
pub mod timer;
pub mod paging;
pub mod memory;
@ -11,7 +11,6 @@ pub mod rand;
#[cfg(feature = "board_u540")]
#[path = "board/u540/mod.rs"]
mod board;
mod sbi;
use log::*;

64
kernel/src/arch/mipsel/sbi.rs
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@ -1,64 +0,0 @@
//! Port from sbi.h
#[inline(always)]
fn sbi_call(which: usize, arg0: usize, arg1: usize, arg2: usize) -> usize {
let ret;
unsafe {
asm!("ecall"
: "={x10}" (ret)
: "{x10}" (arg0), "{x11}" (arg1), "{x12}" (arg2), "{x17}" (which)
: "memory"
: "volatile");
}
ret
}
pub fn console_putchar(ch: usize) {
sbi_call(SBI_CONSOLE_PUTCHAR, ch, 0, 0);
}
pub fn console_getchar() -> usize {
sbi_call(SBI_CONSOLE_GETCHAR, 0, 0, 0)
}
pub fn shutdown() -> ! {
sbi_call(SBI_SHUTDOWN, 0, 0, 0);
unreachable!()
}
pub fn set_timer(stime_value: u64) {
#[cfg(target_pointer_width = "32")]
sbi_call(SBI_SET_TIMER, stime_value as usize, (stime_value >> 32) as usize, 0);
#[cfg(target_pointer_width = "64")]
sbi_call(SBI_SET_TIMER, stime_value as usize, 0, 0);
}
pub fn clear_ipi() {
sbi_call(SBI_CLEAR_IPI, 0, 0, 0);
}
pub fn send_ipi(hart_mask: usize) {
sbi_call(SBI_SEND_IPI, &hart_mask as *const _ as usize, 0, 0);
}
pub fn remote_fence_i(hart_mask: usize) {
sbi_call(SBI_REMOTE_FENCE_I, &hart_mask as *const _ as usize, 0, 0);
}
pub fn remote_sfence_vma(hart_mask: usize, _start: usize, _size: usize) {
sbi_call(SBI_REMOTE_SFENCE_VMA, &hart_mask as *const _ as usize, 0, 0);
}
pub fn remote_sfence_vma_asid(hart_mask: usize, _start: usize, _size: usize, _asid: usize) {
sbi_call(SBI_REMOTE_SFENCE_VMA_ASID, &hart_mask as *const _ as usize, 0, 0);
}
const SBI_SET_TIMER: usize = 0;
const SBI_CONSOLE_PUTCHAR: usize = 1;
const SBI_CONSOLE_GETCHAR: usize = 2;
const SBI_CLEAR_IPI: usize = 3;
const SBI_SEND_IPI: usize = 4;
const SBI_REMOTE_FENCE_I: usize = 5;
const SBI_REMOTE_SFENCE_VMA: usize = 6;
const SBI_REMOTE_SFENCE_VMA_ASID: usize = 7;
const SBI_SHUTDOWN: usize = 8;