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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));
}
/*

4
kernel/amd64/bootmain.c
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@@ -78,8 +78,8 @@ void bootmain (void) {
struct device* temp0 = device_find ("temp0");
vfs_create_volume (thiscpu->kproc, &rctx, "temp", FS_FAT16, temp0, true);
irq_attach (&proc_irq_sched, NULL, SCHED_PREEMPT_TIMER);
irq_attach (&proc_irq_sched, NULL, CPU_REQUEST_SCHED);
irq_attach (&proc_irq_sched, NULL, INTR_SCHED_PREEMPT_TIMER);
irq_attach (&proc_irq_sched, NULL, INTR_CPU_REQUEST_SCHED);
smp_init ();

6
kernel/amd64/intr.c
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@@ -126,9 +126,9 @@ static void idt_init (void) {
IDT_ENTRY (40, 2); IDT_ENTRY (41, 2); IDT_ENTRY (42, 2); IDT_ENTRY (43, 2);
IDT_ENTRY (44, 2); IDT_ENTRY (45, 2); IDT_ENTRY (46, 2); IDT_ENTRY (47, 2);
IDT_ENTRY (SCHED_PREEMPT_TIMER, 2);
IDT_ENTRY (CPU_REQUEST_SCHED, 2);
IDT_ENTRY (CPU_SPURIOUS, 2);
IDT_ENTRY (INTR_SCHED_PREEMPT_TIMER, 2);
IDT_ENTRY (INTR_CPU_REQUEST_SCHED, 2);
IDT_ENTRY (INTR_CPU_SPURIOUS, 2);
/* clang-format on */
#undef IDT_ENTRY

13
kernel/amd64/intr_defs.h
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@@ -1,12 +1,13 @@
#ifndef _KERNEL_AMD64_INTR_DEFS_H
#define _KERNEL_AMD64_INTR_DEFS_H
#define PS2KB 32
#define IDE_DRIVE_PRIM 33
#define IDE_DRIVE_SCND 34
#define INTR_PS2KB 32
#define INTR_IDE_DRIVE_PRIM 33
#define INTR_IDE_DRIVE_SCND 34
#define INTR_XHCI 35
#define SCHED_PREEMPT_TIMER 80
#define CPU_REQUEST_SCHED 82
#define CPU_SPURIOUS 255
#define INTR_SCHED_PREEMPT_TIMER 80
#define INTR_CPU_REQUEST_SCHED 82
#define INTR_CPU_SPURIOUS 255
#endif // _KERNEL_AMD64_INTR_DEFS_H

6
kernel/amd64/intr_stub.S
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@@ -91,6 +91,6 @@ make_intr_stub(no_err, 45)
make_intr_stub(no_err, 46)
make_intr_stub(no_err, 47)
make_intr_stub(no_err, SCHED_PREEMPT_TIMER)
make_intr_stub(no_err, CPU_REQUEST_SCHED)
make_intr_stub(no_err, CPU_SPURIOUS)
make_intr_stub(no_err, INTR_SCHED_PREEMPT_TIMER)
make_intr_stub(no_err, INTR_CPU_REQUEST_SCHED)
make_intr_stub(no_err, INTR_CPU_SPURIOUS)

2
kernel/amd64/smp.c
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@@ -52,7 +52,7 @@ void cpu_request_sched (struct cpu* cpu, bool user) {
return;
}
lapic_ipi (cpu->lapic_id, CPU_REQUEST_SCHED);
lapic_ipi (cpu->lapic_id, INTR_CPU_REQUEST_SCHED);
}
struct cpu* cpu_find_lightest (void) {