106 lines
2.6 KiB
C++
106 lines
2.6 KiB
C++
#pragma once
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#include <stdafx.h>
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class CDebugMMU
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{
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public:
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size_t ReadPhysical(uint32_t paddr, size_t length, uint8_t* buffer);
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size_t ReadVirtual(uint32_t vaddr, size_t length, uint8_t* buffer);
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size_t WritePhysical(uint32_t paddr, size_t length, uint8_t* buffer);
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size_t WriteVirtual(uint32_t vaddr, size_t length, uint8_t* buffer);
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template<typename T>
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bool DebugLoad_PAddr(uint32_t paddr, T& value)
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{
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union {
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T word;
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uint8_t bytes[sizeof(T)];
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} buffer;
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if (ReadPhysical(paddr, sizeof(buffer), buffer.bytes) == sizeof(buffer))
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{
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value = ByteSwap<T>(buffer.word);
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return true;
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}
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return false;
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}
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template<typename T>
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bool DebugLoad_VAddr(uint32_t vaddr, T& value)
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{
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union {
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T word;
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uint8_t bytes[sizeof(T)];
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} buffer;
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if (ReadVirtual(vaddr, sizeof(buffer), buffer.bytes) == sizeof(buffer))
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{
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value = ByteSwap<T>(buffer.word);
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return true;
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}
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return false;
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}
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template<typename T>
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bool DebugStore_PAddr(uint32_t paddr, T value)
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{
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union {
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T word;
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uint8_t bytes[sizeof(T)];
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} buffer = { ByteSwap<T>(value) };
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return (WritePhysical(paddr, sizeof(buffer), buffer.bytes) == sizeof(buffer));
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}
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template<typename T>
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bool DebugStore_VAddr(uint32_t vaddr, T value)
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{
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union {
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T word;
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uint8_t bytes[sizeof(T)];
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} buffer = { ByteSwap<T>(value) };
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return (WriteVirtual(vaddr, sizeof(buffer), buffer.bytes) == sizeof(buffer));
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}
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private:
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uint8_t* GetPhysicalPtr(uint32_t paddr, WORD* flags = NULL);
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bool GetPhysicalByte(uint32_t paddr, uint8_t* value);
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bool SetPhysicalByte(uint32_t paddr, uint8_t value);
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template<typename T>
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T ByteSwap(T value)
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{
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union
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{
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T value;
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uint16_t u16;
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uint32_t u32;
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uint64_t u64;
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} bytes;
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bytes.value = value;
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switch (sizeof(T))
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{
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case sizeof(uint8_t) :
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break;
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case sizeof(uint16_t) :
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bytes.u16 = _byteswap_ushort(bytes.u16);
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break;
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case sizeof(uint32_t) :
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bytes.u32 = _byteswap_ulong(bytes.u32);
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break;
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case sizeof(uint64_t) :
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bytes.u64 = _byteswap_uint64(bytes.u64);
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break;
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default:
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g_Notify->BreakPoint(__FILE__, __LINE__);
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}
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return bytes.value;
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}
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};
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