kamkow1/mop3
1
1
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Resolve strange IRQ issues which cause the scheduler to behave weirdly (IRQ mapping)
All checks were successful
Build documentation / build-and-deploy (push) Successful in 52s
Details

Browse Source
This commit is contained in:
Kamil Kowalczyk
2026-01-19 01:51:34 +01:00
parent ddafc4eb19
commit 38a43b59b0
9 changed files with 36 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
kernel/amd64/apic.c
View File

@@ -77,7 +77,7 @@ static void amd64_ioapic_write (struct ioapic* ioapic, uint32_t reg, uint32_t va
}
/* Find an IOAPIC corresposting to provided IRQ */
static struct ioapic* amd64_ioapic_find (uint8_t irq) {
static struct ioapic* amd64_ioapic_find (uint32_t irq) {
struct ioapic* ioapic = NULL;
for (size_t i = 0; i < ioapic_entries; i++) {
@@ -103,7 +103,7 @@ static struct ioapic* amd64_ioapic_find (uint8_t irq) {
* flags - IOAPIC redirection flags.
* lapic_id - Local APIC that will receive the interrupt.
*/
void amd64_ioapic_route_irq (uint8_t vec, uint8_t irq, uint64_t flags, uint64_t lapic_id) {
void amd64_ioapic_route_irq (uint32_t vec, uint32_t irq, uint64_t flags, uint64_t lapic_id) {
struct ioapic* ioapic = NULL;
struct acpi_madt_interrupt_source_override* override;
bool found_override = false;
@@ -119,13 +119,13 @@ void amd64_ioapic_route_irq (uint8_t vec, uint8_t irq, uint64_t flags, uint64_t
uint64_t calc_flags = (lapic_id << 56) | (flags) | (vec & 0xFF);
if (found_override) {
uint8_t polarity = ((override->flags & 0x03) == 0x03) ? 1 : 0;
uint8_t mode = (((override->flags >> 2) & 0x03) == 0x03) ? 1 : 0;
uint32_t polarity = ((override->flags & 0x03) == 0x03) ? 1 : 0;
uint32_t mode = (((override->flags >> 2) & 0x03) == 0x03) ? 1 : 0;
calc_flags |= (uint64_t)mode << 15;
calc_flags |= (uint64_t)polarity << 13;
}
uint8_t gsi = found_override ? override->gsi : irq;
uint32_t gsi = found_override ? override->gsi : irq;
ioapic = amd64_ioapic_find (gsi);
@@ -263,7 +263,7 @@ void amd64_lapic_init (uint32_t us) {
* lapic_id - Target Local APIC
* vec - Interrupt vector/IDT stub, which will be invoked by the IPI.
*/
void amd64_lapic_ipi (uint8_t lapic_id, uint8_t vec) {
void amd64_lapic_ipi (uint32_t lapic_id, uint32_t vec) {
/* wait for previous IPI to finish */
while (amd64_lapic_read (LAPIC_ICR) & (1 << 12)) {
__asm__ volatile ("pause");