diff options
Diffstat (limited to 'src/cpu/x86')
| -rw-r--r-- | src/cpu/x86/lapic/apic_timer.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/cpu/x86/lapic/apic_timer.c b/src/cpu/x86/lapic/apic_timer.c index a4106d40f3..1fd0c60234 100644 --- a/src/cpu/x86/lapic/apic_timer.c +++ b/src/cpu/x86/lapic/apic_timer.c @@ -79,7 +79,9 @@ void udelay(u32 usecs) { u32 start, value, ticks; - if (!timer_fsb) + if (!timer_fsb || (lapic_read(LAPIC_LVTT) & + (LAPIC_LVT_TIMER_PERIODIC | LAPIC_LVT_MASKED)) != + (LAPIC_LVT_TIMER_PERIODIC | LAPIC_LVT_MASKED)) init_timer(); /* Calculate the number of ticks to run, our FSB runs at timer_fsb Mhz */ |