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Annotation of nono/vm/goldfish_pic.h, revision 1.1.1.1

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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