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http://code.google.com/p/rpcs3/source/detail?r=44

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DH 2012-11-15 01:39:56 +02:00
parent de070bf485
commit a90b5cf37a
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122
rpcs3/Emu/Memory/MemoryBlock.h Normal file
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#pragma once
struct MemBlockInfo
{
u64 addr;
u32 size;
MemBlockInfo(u64 _addr, u32 _size)
: addr(_addr)
, size(_size)
{
}
};
class MemoryBlock
{
protected:
u8* mem;
u64 range_start;
u64 range_size;
public:
MemoryBlock();
~MemoryBlock();
private:
void Init();
void InitMemory();
public:
virtual void Delete();
virtual bool IsNULL() { return false; }
u64 FixAddr(const u64 addr) const;
bool GetMemFromAddr(void* dst, const u64 addr, const u32 size);
bool SetMemFromAddr(void* src, const u64 addr, const u32 size);
bool GetMemFFromAddr(void* dst, const u64 addr);
u8* GetMemFromAddr(const u64 addr);
virtual MemoryBlock* SetRange(const u64 start, const u32 size);
bool SetNewSize(const u32 size);
virtual bool IsMyAddress(const u64 addr);
__forceinline const u8 FastRead8(const u64 addr) const;
__forceinline const u16 FastRead16(const u64 addr) const;
__forceinline const u32 FastRead32(const u64 addr) const;
__forceinline const u64 FastRead64(const u64 addr) const;
__forceinline const u128 FastRead128(const u64 addr);
virtual bool Read8(const u64 addr, u8* value);
virtual bool Read16(const u64 addr, u16* value);
virtual bool Read32(const u64 addr, u32* value);
virtual bool Read64(const u64 addr, u64* value);
virtual bool Read128(const u64 addr, u128* value);
__forceinline void FastWrite8(const u64 addr, const u8 value);
__forceinline void FastWrite16(const u64 addr, const u16 value);
__forceinline void FastWrite32(const u64 addr, const u32 value);
__forceinline void FastWrite64(const u64 addr, const u64 value);
__forceinline void FastWrite128(const u64 addr, const u128 value);
virtual bool Write8(const u64 addr, const u8 value);
virtual bool Write16(const u64 addr, const u16 value);
virtual bool Write32(const u64 addr, const u32 value);
virtual bool Write64(const u64 addr, const u64 value);
virtual bool Write128(const u64 addr, const u128 value);
const u64 GetStartAddr() const { return range_start; }
const u64 GetEndAddr() const { return range_start + range_size - 1; }
virtual const u32 GetSize() const { return range_size; }
void* GetMem() const { return mem; }
};
class NullMemoryBlock : public MemoryBlock
{
virtual bool IsNULL() { return true; }
virtual bool IsMyAddress(const u64 addr) { return true; }
virtual bool Read8(const u64 addr, u8* value);
virtual bool Read16(const u64 addr, u16* value);
virtual bool Read32(const u64 addr, u32* value);
virtual bool Read64(const u64 addr, u64* value);
virtual bool Read128(const u64 addr, u128* value);
virtual bool Write8(const u64 addr, const u8 value);
virtual bool Write16(const u64 addr, const u16 value);
virtual bool Write32(const u64 addr, const u32 value);
virtual bool Write64(const u64 addr, const u64 value);
virtual bool Write128(const u64 addr, const u128 value);
};
class DynamicMemoryBlock : public MemoryBlock
{
Array<MemBlockInfo> m_used_mem;
Array<MemBlockInfo> m_free_mem;
u64 m_point;
u32 m_max_size;
public:
DynamicMemoryBlock();
const u32 GetSize() const { return m_max_size; }
const u32 GetUsedSize() const { return range_size; }
bool IsInMyRange(const u64 addr);
bool IsInMyRange(const u64 addr, const u32 size);
bool IsMyAddress(const u64 addr);
MemoryBlock* SetRange(const u64 start, const u32 size);
virtual void Delete();
void UpdateSize(u64 addr, u32 size);
void CombineFreeMem();
bool Alloc(u64 addr, u32 size);
u64 Alloc(u32 size);
bool Alloc();
bool Free(u64 addr);
};