//
// Created by rick on 23-08-21.
//

#include <myke/cpu/lapic.h>

void *lapic = NULL;

void lapic_set_addr(uint32_t addr) {
    lapic = (void *) addr;
}

void lapic_write(uint32_t offset, uint32_t value) {
    *(volatile uint32_t *) ((uintptr_t) lapic + offset) = value;
}

uint32_t lapic_read(uint32_t offset) {
    if (lapic == NULL) {
        return UINT32_MAX;
    }
    return *(volatile uint32_t *) ((uintptr_t) lapic + offset);
}

uint32_t lapic_get_id() {
    return lapic_read(LAPIC_REG_ID);
}

uint32_t lapic_get_version() {
    return lapic_read(LAPIC_REG_VERSION);
}