--- nono/vm/ram.h 2026/04/29 17:04:28 1.1.1.1 +++ nono/vm/ram.h 2026/04/29 17:04:45 1.1.1.5 @@ -1,6 +1,7 @@ // // nono -// Copyright (C) 2018 isaki@NetBSD.org +// Copyright (C) 2020 nono project +// Licensed under nono-license.txt // #pragma once @@ -10,22 +11,42 @@ class RAMDevice : public IODevice { - typedef IODevice inherited; + using inherited = IODevice; public: RAMDevice(); - virtual ~RAMDevice(); + virtual ~RAMDevice() override; - virtual bool Init(); + bool Init() override; + void ResetHard() override; - virtual uint64 Read8(uint32 addr); - virtual uint64 Read16(uint32 addr); - virtual uint64 Read32(uint32 addr); - virtual uint64 Write8(uint32 addr, uint32 data); - virtual uint64 Write16(uint32 addr, uint32 data); - virtual uint64 Write32(uint32 addr, uint32 data); - virtual uint64 Peek8(uint32 addr); + uint64 Read8(uint32 addr) override; + uint64 Read16(uint32 addr) override; + uint64 Read32(uint32 addr) override; + uint64 Write8(uint32 addr, uint32 data) override; + uint64 Write16(uint32 addr, uint32 data) override; + uint64 Write32(uint32 addr, uint32 data) override; + uint64 Peek8(uint32 addr) override; + + // アクセスウェイトを設定 + void SetWait(uint32 wait); + + // ホストの filepath をロードする + uint32 LoadFile(const char *filepath, uint32 mid); + // file, filesize で示されるバッファをロードする + uint32 LoadFile(const char *name, const uint8 *file, size_t filesize, + uint32 mid); + private: + uint32 LoadGzFile(const char *filepath, const uint8 *file, size_t filesize, + uint32 mid); + uint32 Load_aout(const char *name, const uint8 *file, size_t filesize, + uint32 mid); + uint32 Load_elf32(const char *name, const uint8 *file, size_t filesize, + uint32 mid); + + uint32 read_wait {}; + uint32 write_wait {}; }; -extern uint8 *ram; +extern std::unique_ptr ram; extern int ram_size; -extern RAMDevice *gRAM; +extern std::unique_ptr gRAM;