diff options
Diffstat (limited to 'sys/isa/atrtc.c')
| -rw-r--r-- | sys/isa/atrtc.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sys/isa/atrtc.c b/sys/isa/atrtc.c index 49516028..810fbe7 100644 --- a/sys/isa/atrtc.c +++ b/sys/isa/atrtc.c @@ -995,6 +995,7 @@ cpu_initclocks() int apic_8254_trial; void *clkdesc; #endif /* APIC_IO */ + register_t crit; if (statclock_disable) { /* @@ -1029,9 +1030,11 @@ cpu_initclocks() inthand_add("clk", apic_8254_intr, (driver_intr_t *)clkintr, NULL, INTR_TYPE_CLK | INTR_FAST, &clkdesc); + crit = intr_disable(); mtx_lock_spin(&icu_lock); INTREN(1 << apic_8254_intr); mtx_unlock_spin(&icu_lock); + intr_restore(crit); #else /* APIC_IO */ @@ -1042,9 +1045,11 @@ cpu_initclocks() */ inthand_add("clk", 0, (driver_intr_t *)clkintr, NULL, INTR_TYPE_CLK | INTR_FAST, NULL); + crit = intr_disable(); mtx_lock_spin(&icu_lock); INTREN(IRQ0); mtx_unlock_spin(&icu_lock); + intr_restore(crit); #endif /* APIC_IO */ @@ -1067,6 +1072,7 @@ cpu_initclocks() inthand_add("rtc", 8, (driver_intr_t *)rtcintr, NULL, INTR_TYPE_CLK | INTR_FAST, NULL); + crit = intr_disable(); mtx_lock_spin(&icu_lock); #ifdef APIC_IO INTREN(APIC_IRQ8); @@ -1074,6 +1080,7 @@ cpu_initclocks() INTREN(IRQ8); #endif /* APIC_IO */ mtx_unlock_spin(&icu_lock); + intr_restore(crit); writertc(RTC_STATUSB, rtc_statusb); @@ -1090,9 +1097,12 @@ cpu_initclocks() * on the IO APIC. * Workaround: Limited variant of mixed mode. */ + + crit = intr_disable(); mtx_lock_spin(&icu_lock); INTRDIS(1 << apic_8254_intr); mtx_unlock_spin(&icu_lock); + intr_restore(crit); inthand_remove(clkdesc); printf("APIC_IO: Broken MP table detected: " "8254 is not connected to " @@ -1115,9 +1125,11 @@ cpu_initclocks() inthand_add("clk", apic_8254_intr, (driver_intr_t *)clkintr, NULL, INTR_TYPE_CLK | INTR_FAST, NULL); + crit = intr_disable(); mtx_lock_spin(&icu_lock); INTREN(1 << apic_8254_intr); mtx_unlock_spin(&icu_lock); + intr_restore(crit); } } |
