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75 lines
1.9 KiB
C++
75 lines
1.9 KiB
C++
#ifndef _MEMORYMAP_H_
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#define _MEMORYMAP_H_
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#include "Types.h"
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#include <functional>
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#include <vector>
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enum MEMORYMAP_ENDIANESS
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{
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MEMORYMAP_ENDIAN_LSBF,
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MEMORYMAP_ENDIAN_MSBF,
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};
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class CMemoryMap
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{
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public:
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typedef std::function<uint32(uint32, uint32)> MemoryMapHandlerType;
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enum MEMORYMAP_TYPE
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{
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MEMORYMAP_TYPE_MEMORY,
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MEMORYMAP_TYPE_FUNCTION
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};
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struct MEMORYMAPELEMENT
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{
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uint32 nStart;
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uint32 nEnd;
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void* pPointer;
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MemoryMapHandlerType handler;
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MEMORYMAP_TYPE nType;
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};
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virtual ~CMemoryMap() = default;
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uint8 GetByte(uint32);
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virtual uint16 GetHalf(uint32) = 0;
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virtual uint32 GetWord(uint32) = 0;
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virtual uint32 GetInstruction(uint32) = 0;
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virtual void SetByte(uint32, uint8);
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virtual void SetHalf(uint32, uint16) = 0;
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virtual void SetWord(uint32, uint32) = 0;
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void InsertReadMap(uint32, uint32, void*, unsigned char);
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void InsertReadMap(uint32, uint32, const MemoryMapHandlerType&, unsigned char);
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void InsertWriteMap(uint32, uint32, void*, unsigned char);
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void InsertWriteMap(uint32, uint32, const MemoryMapHandlerType&, unsigned char);
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void InsertInstructionMap(uint32, uint32, void*, unsigned char);
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const MEMORYMAPELEMENT* GetReadMap(uint32) const;
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const MEMORYMAPELEMENT* GetWriteMap(uint32) const;
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protected:
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typedef std::vector<MEMORYMAPELEMENT> MemoryMapListType;
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static const MEMORYMAPELEMENT* GetMap(const MemoryMapListType&, uint32);
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MemoryMapListType m_instructionMap;
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MemoryMapListType m_readMap;
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MemoryMapListType m_writeMap;
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private:
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static void InsertMap(MemoryMapListType&, uint32, uint32, void*, unsigned char);
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static void InsertMap(MemoryMapListType&, uint32, uint32, const MemoryMapHandlerType&, unsigned char);
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};
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class CMemoryMap_LSBF : public CMemoryMap
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{
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public:
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uint16 GetHalf(uint32);
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uint32 GetWord(uint32);
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uint32 GetInstruction(uint32);
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void SetHalf(uint32, uint16);
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void SetWord(uint32, uint32);
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};
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#endif
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