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Annotation of nono/vm/ram.h, revision 1.1.1.4

1.1       root        1: //
                      2: // nono
1.1.1.3   root        3: // Copyright (C) 2020 nono project
                      4: // Licensed under nono-license.txt
1.1       root        5: //
                      6: 
                      7: #pragma once
                      8: 
                      9: #include "device.h"
                     10: 
                     11: class RAMDevice
                     12:        : public IODevice
                     13: {
1.1.1.3   root       14:        using inherited = IODevice;
1.1       root       15:  public:
                     16:        RAMDevice();
1.1.1.3   root       17:        ~RAMDevice() override;
1.1       root       18: 
1.1.1.3   root       19:        bool Init() override;
1.1.1.4 ! root       20:        void ResetHard() override;
1.1       root       21: 
1.1.1.3   root       22:        uint64 Read8(uint32 addr) override;
                     23:        uint64 Read16(uint32 addr) override;
                     24:        uint64 Read32(uint32 addr) override;
                     25:        uint64 Write8(uint32 addr, uint32 data) override;
                     26:        uint64 Write16(uint32 addr, uint32 data) override;
                     27:        uint64 Write32(uint32 addr, uint32 data) override;
                     28:        uint64 Peek8(uint32 addr) override;
1.1.1.2   root       29: 
1.1.1.4 ! root       30:        // アクセスウェイトを設定
        !            31:        void SetWait(uint32 wait);
        !            32: 
1.1.1.2   root       33:        // ホストの filepath をロードする
                     34:        uint32 LoadFile(const char *filepath, uint32 mid);
                     35:        // file, filesize で示されるバッファをロードする
                     36:        uint32 LoadFile(const char *name, const uint8 *file, size_t filesize,
                     37:                uint32 mid);
                     38:  private:
                     39:        uint32 LoadGzFile(const char *filepath, const uint8 *file, size_t filesize,
                     40:                uint32 mid);
                     41:        uint32 Load_aout(const char *name, const uint8 *file, size_t filesize,
                     42:                uint32 mid);
                     43:        uint32 Load_elf32(const char *name, const uint8 *file, size_t filesize,
                     44:                uint32 mid);
1.1.1.4 ! root       45: 
        !            46:        uint32 read_wait {};
        !            47:        uint32 write_wait {};
1.1       root       48: };
                     49: 
1.1.1.2   root       50: extern std::unique_ptr<uint8[]> ram;
1.1       root       51: extern int ram_size;
1.1.1.2   root       52: extern std::unique_ptr<RAMDevice> gRAM;

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