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Added Virtual Memory Block for the IO Address Space

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Started implementing some the memory mapping functions of libgcm
This commit is contained in:
elisha464 2014-01-17 18:56:03 +02:00
parent 40f2e679ec
commit 509d46a544
4 changed files with 406 additions and 57 deletions
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55
rpcs3/Emu/Memory/MemoryBlock.h
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@ -40,6 +40,23 @@ struct MemBlockInfo : public MemInfo
}
};
struct VirtualMemInfo : public MemInfo
{
u64 realAddress;
VirtualMemInfo(u64 _addr, u64 _realaddr, u32 _size)
: MemInfo(_addr, _size)
, realAddress(_realaddr)
{
}
VirtualMemInfo()
: MemInfo(0, 0)
, realAddress(0)
{
}
};
class MemoryBlock
{
protected:
@ -206,6 +223,44 @@ private:
void AppendLockedMem(u64 addr, u32 size);
};
class VirtualMemoryBlock : public MemoryBlock
{
Array<VirtualMemInfo> m_mapped_memory;
public:
VirtualMemoryBlock();
virtual bool IsInMyRange(const u64 addr);
virtual bool IsInMyRange(const u64 addr, const u32 size);
virtual bool IsMyAddress(const u64 addr);
virtual void Delete();
// maps real address to virtual address space, returns the mapped address or 0 on failure (if no address is specified the
// first mappable space is used)
virtual u64 Map(u64 realaddr, u32 size, u64 addr = 0);
// Unmap real address (please specify only starting point, no midway memory will be unmapped)
virtual bool UnmapRealAddress(u64 realaddr);
// Unmap address (please specify only starting point, no midway memory will be unmapped)
virtual bool UnmapAddress(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);
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);
// return the real address given a mapped address, if not mapped return 0
u64 getRealAddr(u64 addr);
};
#include "DynamicMemoryBlockBase.inl"
typedef DynamicMemoryBlockBase<MemoryBlock> DynamicMemoryBlock;