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XHCI test sending noop command
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This commit is contained in:
Kamil Kowalczyk
2026-03-22 23:09:21 +01:00
parent 5cdeb87393
commit b35fc5545c
11 changed files with 360 additions and 31 deletions
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6
kernel/amd64/apic.c
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@@ -239,12 +239,12 @@ static uint32_t lapic_calibrate (uint32_t us) {
lapic_write (LAPIC_DCR, DIVIDER_VALUE);
lapic_write (LAPIC_LVTTR, SCHED_PREEMPT_TIMER | (1 << 16));
lapic_write (LAPIC_LVTTR, INTR_SCHED_PREEMPT_TIMER | (1 << 16));
lapic_write (LAPIC_TIMICT, 0xFFFFFFFF);
sleep_micro (us);
lapic_write (LAPIC_LVTTR, SCHED_PREEMPT_TIMER | (0 << 16));
lapic_write (LAPIC_LVTTR, INTR_SCHED_PREEMPT_TIMER | (0 << 16));
uint32_t ticks = 0xFFFFFFFF - lapic_read (LAPIC_TIMCCT);
DEBUG ("timer ticks = %u\n", ticks);
@@ -261,7 +261,7 @@ static uint32_t lapic_calibrate (uint32_t us) {
static void lapic_start (uint32_t ticks) {
lapic_write (LAPIC_DCR, DIVIDER_VALUE);
lapic_write (LAPIC_TIMICT, ticks);
lapic_write (LAPIC_LVTTR, SCHED_PREEMPT_TIMER | (1 << 17));
lapic_write (LAPIC_LVTTR, INTR_SCHED_PREEMPT_TIMER | (1 << 17));
}
/*