98 lines
3.4 KiB
C++
98 lines
3.4 KiB
C++
/****************************************************************************
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* *
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* Project64 - 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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#include <Project64-core/N64System/Recompiler/RecompilerMemory.h>
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#include <Project64-core/N64System/SystemGlobals.h>
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#include <Project64-core/N64System/Recompiler/RecompilerClass.h>
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#include <Common/MemoryManagement.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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FreeAddressSpace(m_RecompCode,MaxCompileBufferSize + 4);
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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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WriteTrace(TraceRecompiler, TraceDebug, "Start");
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uint8_t * RecompCodeBase = (uint8_t *)AllocateAddressSpace(MaxCompileBufferSize + 4);
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WriteTrace(TraceRecompiler, TraceDebug, "RecompCodeBase = %X", RecompCodeBase);
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if (RecompCodeBase == NULL)
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{
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WriteTrace(TraceRecompiler, TraceError, "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 = (uint8_t *)CommitMemory(RecompCodeBase, InitialCompileBufferSize, MEM_EXECUTE_READWRITE);
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if (m_RecompCode == NULL)
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{
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WriteTrace(TraceRecompiler, TraceError, "failed to commit initial buffer");
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FreeAddressSpace(RecompCodeBase,MaxCompileBufferSize + 4);
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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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WriteTrace(TraceRecompiler, TraceDebug, "Done");
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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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uint32_t Size = (uint32_t)((uint8_t *)m_RecompPos - (uint8_t *)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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void * MemAddr = CommitMemory(m_RecompCode + m_RecompSize, IncreaseCompileBufferSize, MEM_EXECUTE_READWRITE);
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if (MemAddr == NULL)
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{
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WriteTrace(TraceRecompiler, TraceError, "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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uint32_t Size = m_RecompPos - m_RecompCode;
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uint32_t MB = Size / 0x100000;
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Size -= MB * 0x100000;
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uint32_t KB = Size / 1024;
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Size -= KB * 1024;
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uint32_t 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).c_str());
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} |