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Fix CLOCK_FREQ.

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This commit is contained in:
Yifan Wu 2021-01-30 14:16:48 +08:00
parent 6346c4c943
commit 24151b9211
2 changed files with 4 additions and 4 deletions
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2
os/src/config.rs
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@ -12,4 +12,4 @@ pub const TRAP_CONTEXT: usize = TRAMPOLINE - PAGE_SIZE;
pub const CLOCK_FREQ: usize = 403000000 / 62;
#[cfg(feature = "board_qemu")]
pub const CPU_FREQ: usize = 12500000;
pub const CLOCK_FREQ: usize = 12500000;

6
os/src/timer.rs
View File

@ -1,6 +1,6 @@
use riscv::register::time;
use crate::sbi::set_timer;
use crate::config::CPU_FREQ;
use crate::config::CLOCK_FREQ;
const TICKS_PER_SEC: usize = 100;
const MSEC_PER_SEC: usize = 1000;
@ -10,9 +10,9 @@ pub fn get_time() -> usize {
}
pub fn get_time_ms() -> usize {
time::read() / (CPU_FREQ / MSEC_PER_SEC)
time::read() / (CLOCK_FREQ / MSEC_PER_SEC)
}
pub fn set_next_trigger() {
set_timer(get_time() + CPU_FREQ / TICKS_PER_SEC);
set_timer(get_time() + CLOCK_FREQ / TICKS_PER_SEC);
}