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Annotation of nono/vm/goldfish_pic.h, revision 1.1

1.1     ! root        1: //
        !             2: // nono
        !             3: // Copyright (C) 2024 nono project
        !             4: // Licensed under nono-license.txt
        !             5: //
        !             6: 
        !             7: //
        !             8: // Goldfish 割り込みコントローラ
        !             9: //
        !            10: 
        !            11: #pragma once
        !            12: 
        !            13: #include "interrupt.h"
        !            14: 
        !            15: class GFPICDevice : public InterruptDevice
        !            16: {
        !            17:        using inherited = InterruptDevice;
        !            18:        friend class Virt68kInterrupt;
        !            19: 
        !            20:        static const uint32 STATUS              = 0x00;
        !            21:        static const uint32 PENDING             = 0x04; // was NUMBER
        !            22:        static const uint32 CLEAR_ALL   = 0x08; // was DISABLE_ALL
        !            23:        static const uint32 DISABLE             = 0x0c;
        !            24:        static const uint32 ENABLE              = 0x10;
        !            25: 
        !            26:  public:
        !            27:        GFPICDevice(int id_);
        !            28:        ~GFPICDevice() override;
        !            29: 
        !            30:        bool Init() override;
        !            31:        void ResetHard(bool poweron) override;
        !            32: 
        !            33:        busdata Read32(uint32 addr) override;
        !            34:        busdata Write32(uint32 addr, uint32 data) override;
        !            35:        busdata Peek8(uint32 addr) override;
        !            36: 
        !            37:        busdata InterruptAcknowledge(int lv) override;
        !            38: 
        !            39:        // IRQ の登録。子デバイスが呼ぶ。irq は 1-32。
        !            40:        void RegistIRQ(int irq, const char *name, Device *source);
        !            41: 
        !            42:        // Virt68kInterrupt の下請け
        !            43:        void MonitorUpdateSummary(TextScreen& screen, int x, int y);
        !            44:        int MonitorUpdateDetail(TextScreen& screen, int y, int lv);
        !            45: 
        !            46:  protected:
        !            47:        void ChangeInterrupt() override;
        !            48: 
        !            49:        InterruptDevice *interrupt {};
        !            50: };
        !            51: 
        !            52: static inline GFPICDevice *GetGFPICDevice(int id_) {
        !            53:        return Object::GetObject<GFPICDevice>(OBJ_GFPIC(id_));
        !            54: }

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