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// BarryServer : Git / Nucleus / blob / 5201ba5bba23ff80513a8e177eb05be613f85e88 / include / nucleus / cpu.h

// Related

Nucleus

Barry Basic paging bc5e11e (3 years, 3 months ago)
#ifndef _NUCLEUS_CPU_H
#define _NUCLEUS_CPU_H

#include <stdint.h>

/* Structure for an Interrupt Frame */
struct InterruptFrame {
	uint32_t eip, cs, eflags;
};

typedef void (*exc_handler_t)(struct InterruptFrame *, uint32_t);
typedef void (*int_handler_t)(struct InterruptFrame *);

extern uintptr_t lapicPtr, ioapicPtr;
#define LAPIC(off)  (*((uint32_t *) ((uint32_t)  lapicPtr + (off))))
#define IOAPIC(off) (*((uint32_t *) ((uint32_t) ioapicPtr + (off))))

extern uint8_t lapicNums[];
#define CPUID lapicNums[(uint8_t) (LAPIC(0x20) >> 24)]
#define MAX_CPUS 2

void register_exception(int num, exc_handler_t addr);
void register_interrupt(int num, int_handler_t addr);

#endif