limine/common/sys/lapic.h
2022-02-03 10:38:43 +01:00

30 lines
735 B
C

#ifndef __SYS__APIC_H__
#define __SYS__APIC_H__
#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>
#define LAPIC_REG_ICR0 0x300
#define LAPIC_REG_ICR1 0x310
#define LAPIC_REG_SPURIOUS 0x0f0
#define LAPIC_REG_EOI 0x0b0
bool lapic_check(void);
void lapic_eoi(void);
uint32_t lapic_read(uint32_t reg);
void lapic_write(uint32_t reg, uint32_t data);
bool x2apic_check(void);
bool x2apic_enable(void);
uint64_t x2apic_read(uint32_t reg);
void x2apic_write(uint32_t reg, uint64_t data);
void init_io_apics(void);
uint32_t io_apic_read(size_t io_apic, uint32_t reg);
void io_apic_write(size_t io_apic, uint32_t reg, uint32_t value);
uint32_t io_apic_gsi_count(size_t io_apic);
void io_apic_mask_all(void);
#endif