93 lines
2.9 KiB
C++
93 lines
2.9 KiB
C++
/****************************************************************************
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* *
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* Project 64 - A Nintendo 64 emulator. *
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* http://www.pj64-emu.com/ *
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* Copyright (C) 2012 Project64. All rights reserved. *
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* *
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* License: *
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* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html *
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* *
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****************************************************************************/
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#include "stdafx.h"
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CRecompMemory::CRecompMemory() :
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m_RecompCode(NULL),
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m_RecompSize(0)
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{
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m_RecompPos = NULL;
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}
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CRecompMemory::~CRecompMemory()
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{
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if (m_RecompCode)
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{
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VirtualFree( m_RecompCode, 0 , MEM_RELEASE);
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m_RecompCode = NULL;
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}
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m_RecompPos = NULL;
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}
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bool CRecompMemory::AllocateMemory()
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{
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BYTE * RecompCodeBase = (BYTE *)VirtualAlloc( NULL, MaxCompileBufferSize + 4, MEM_RESERVE|MEM_TOP_DOWN, PAGE_EXECUTE_READWRITE);
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if (RecompCodeBase == NULL)
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{
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WriteTrace(TraceError,__FUNCTION__ ": failed to allocate RecompCodeBase");
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g_Notify->DisplayError(MSG_MEM_ALLOC_ERROR);
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return false;
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}
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m_RecompCode = (BYTE *)VirtualAlloc( RecompCodeBase, InitialCompileBufferSize, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
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if (m_RecompCode == NULL)
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{
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WriteTrace(TraceError,__FUNCTION__ ": failed to commit initial buffer");
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VirtualFree( RecompCodeBase, 0 , MEM_RELEASE);
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g_Notify->DisplayError(MSG_MEM_ALLOC_ERROR);
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return false;
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}
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m_RecompSize = InitialCompileBufferSize;
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m_RecompPos = m_RecompCode;
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memset(m_RecompCode,0,InitialCompileBufferSize);
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return true;
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}
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void CRecompMemory::CheckRecompMem()
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{
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DWORD Size = (DWORD)((BYTE *)m_RecompPos - (BYTE *)m_RecompCode);
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if ((Size + 0x20000) < m_RecompSize)
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{
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return;
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}
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if (m_RecompSize == MaxCompileBufferSize)
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{
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g_Recompiler->ResetRecompCode(true);
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return;
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}
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LPVOID MemAddr = VirtualAlloc( m_RecompCode + m_RecompSize , IncreaseCompileBufferSize, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
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if (MemAddr == NULL)
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{
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WriteTrace(TraceError,__FUNCTION__ ": failed to increase buffer");
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g_Notify->FatalError(MSG_MEM_ALLOC_ERROR);
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}
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m_RecompSize += IncreaseCompileBufferSize;
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}
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void CRecompMemory::Reset()
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{
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m_RecompPos = m_RecompCode;
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}
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void CRecompMemory::ShowMemUsed()
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{
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DWORD Size = m_RecompPos - m_RecompCode;
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DWORD MB = Size / 0x100000;
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Size -= MB * 0x100000;
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DWORD KB = Size / 1024;
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Size -= KB * 1024;
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DWORD TotalAvaliable = m_RecompSize / 0x100000;
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g_Notify->DisplayMessage(0,stdstr_f("Memory used: %d mb %-3d kb %-3d bytes Total Available: %d mb",MB,KB,Size, TotalAvaliable).ToUTF16().c_str());
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}
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