Changeset 86 for trunk/hal/x86_64/core/hal_apic.c

Timestamp:

Jun 28, 2017, 3:24:02 PM (7 years ago)

Author:

max@…

Message:

enable the timer (not yet calibrated)

File:

• trunk/hal/x86_64/core/hal_apic.c (modified) (1 diff)

trunk/hal/x86_64/core/hal_apic.c

@@ -105 +105 @@
         hal_lapic_write(LAPIC_LVT_THM, LAPIC_THM_M);
         hal_lapic_write(LAPIC_LVT_ERR, LAPIC_ERR_M);
+
+        /* Now, enable the timer in repeated mode. */
+        hal_lapic_write(LAPIC_LVT_TMR, LAPIC_TMR_TM|LAPIC_TMR_M);
+        hal_lapic_write(LAPIC_DCR_TIMER, LAPIC_DCRT_DIV1);
+        hal_lapic_write(LAPIC_ICR_TIMER, 1000000000); // XXX calibrate
+        hal_lapic_write(LAPIC_LVT_TMR, LAPIC_TMR_TM|LAPIC_TIMER_VECTOR);
 }