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

1.1       root        1: //
                      2: // nono
                      3: // Copyright (C) 2020 nono project
                      4: // Licensed under nono-license.txt
                      5: //
                      6: 
                      7: //
                      8: // メインバス
                      9: //
                     10: 
                     11: #pragma once
                     12: 
                     13: #include "device.h"
                     14: #include <array>
                     15: 
                     16: class MainbusDevice : public IOContainerDevice
                     17: {
                     18:        using inherited = IOContainerDevice;
                     19:  public:
                     20:        MainbusDevice();
                     21:        virtual ~MainbusDevice() override;
                     22: 
                     23:        // addr はそれぞれアラインされていること。
                     24:        uint64 Read8(uint32 addr) override;
                     25:        uint64 Read16(uint32 addr) override;
                     26:        uint64 Read32(uint32 addr) override;
                     27:        uint64 Write8(uint32 addr, uint32 data) override;
                     28:        uint64 Write16(uint32 addr, uint32 data) override;
                     29:        uint64 Write32(uint32 addr, uint32 data) override;
                     30:        uint64 Peek8(uint32 addr) override;
                     31: 
                     32:        uint64 Peek32(uint32 addr);
                     33: 
                     34:        // デバイスをセットする
                     35:        static void SetDevice(int idx, IODevice *dev);
                     36: 
                     37:        // デバイステーブルをコピーする
                     38:        static void CopyDevtable(int dst, int src, int len);
                     39: 
                     40:        static std::array<IODevice *, 256> devtable;
                     41: 
                     42:        static int direct_ram_size;
                     43: 
                     44:  protected:
                     45:        IODevice *GetDevice(uint32 addr) const override;
                     46: };
                     47: 
                     48: static inline MainbusDevice *GetMainbusDevice() {
                     49:        return Object::GetObject<MainbusDevice>(OBJ_MAINBUS);
                     50: }

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