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Guard fpe by arch

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This commit is contained in:
Jiajie Chen 2020-06-12 09:11:19 +08:00
parent 5b01f1b6ad
commit dfa963ad04
1 changed files with 3 additions and 0 deletions
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3
kernel/src/trap.rs
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@ -8,8 +8,10 @@ use rcore_thread::std_thread::current;
pub static mut TICK: usize = 0;
#[cfg(target_arch = "x86_64")]
global_asm!(include_str!("fpe.S"));
#[cfg(target_arch = "x86_64")]
extern "C" {
fn fpe();
}
@ -26,6 +28,7 @@ pub fn timer() {
if cpu::id() == 0 {
unsafe {
TICK += 1;
#[cfg(target_arch = "x86_64")]
fpe();
if uptime_msec() % INFORM_PER_MSEC == 0 {
TICK_ACTIVITY.notify_all();