intc.hpp

#pragma once

#include <cstdint>

enum Interrupt : uint32_t
{
    INT_GS,
    INT_SBUS,
    INT_VB_ON,
    INT_VB_OFF,
    INT_VIF0,
    INT_VIF1,
    INT_VU0,
    INT_VU1,
    INT_IPU,
    INT_TIMER0,
    INT_TIMER1,
    INT_TIMER2,
    INT_TIMER3,
    INT_SFIFO,
    INT_VU0WD
};

struct INTCRegs
{
    uint32_t intc_stat;
    uint32_t intc_mask;
};

class EmotionEngine;

class INTC
{
public:
    INTC(EmotionEngine* ee);
    ~INTC() = default;

    uint64_t read(uint32_t addr);
    void write(uint32_t addr, uint64_t data);

    void trigger(uint32_t intr);
    bool int_pending();
private:
    EmotionEngine* cpu;
    INTCRegs regs;
};