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Init IOAPIC nad LAPICs

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This commit is contained in:
Kamil Kowalczyk
2025-08-21 00:47:58 +02:00
parent 3f6df79885
commit 9d8849a425
25 changed files with 801 additions and 306 deletions
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22
kernel/hal/x86_64/pic.c Normal file
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#include <stddef.h>
#include <stdint.h>
#include "pic.h"
#include "io.h"
#include "intr.h"
void pic_init(void) {
io_out8(PIC1_CMD, ICW1_INIT | ICW1_ICW4);
io_out8(PIC2_CMD, ICW1_INIT | ICW1_ICW4);
io_out8(PIC1_DATA, INTR_IRQBASE);
io_out8(PIC2_DATA, INTR_IRQBASE+8);
io_out8(PIC1_DATA, 4);
io_out8(PIC2_DATA, 2);
io_out8(PIC1_DATA, ICW4_8086);
io_out8(PIC2_DATA, ICW4_8086);
io_out8(PIC1_DATA, 0xff);
io_out8(PIC2_DATA, 0xff);
}