mirror of
https://github.com/DaedalusX64/daedalus.git
synced 2025-04-02 10:21:48 -04:00
171 lines
4.5 KiB
C++
171 lines
4.5 KiB
C++
/*
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Copyright (C) 2020 MasterFeizz
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "stdafx.h"
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#include <stdio.h>
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#include <malloc.h>
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#ifdef DAEDALUS_CTR
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#include "SysCTR/Utility/MemoryCTR.h"
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#endif
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#include "DynaRec/CodeBufferManager.h"
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#include "Debug/DBGConsole.h"
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#include "CodeGeneratorARM.h"
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#define CODE_BUFFER_SIZE (8 * 1024 * 1024)
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class CCodeBufferManagerARM : public CCodeBufferManager
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{
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public:
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CCodeBufferManagerARM()
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: mpBuffer( NULL )
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, mBufferPtr( 0 )
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, mBufferSize( 0 )
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, mpSecondBuffer( NULL )
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, mSecondBufferPtr( 0 )
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, mSecondBufferSize( 0 )
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{
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}
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virtual bool Initialise();
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virtual void Reset();
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virtual void Finalise();
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virtual std::unique_ptr<CCodeGenerator> StartNewBlock();
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virtual u32 FinaliseCurrentBlock();
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private:
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u8 * mpBuffer;
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u32 mBufferPtr;
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u32 mBufferSize;
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u8 * mpSecondBuffer;
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u32 mSecondBufferPtr;
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u32 mSecondBufferSize;
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private:
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CAssemblyBuffer mPrimaryBuffer;
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CAssemblyBuffer mSecondaryBuffer;
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};
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//*****************************************************************************
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//
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//*****************************************************************************
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CCodeBufferManager * CCodeBufferManager::Create()
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{
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return new CCodeBufferManagerARM;
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}
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//*****************************************************************************
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//
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//*****************************************************************************
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bool CCodeBufferManagerARM::Initialise()
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{
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// mpSecondBuffer is currently unused
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#ifdef DAEDALUS_CTR
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mpBuffer = (u8*)memalign(4096, CODE_BUFFER_SIZE*2);
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mpSecondBuffer = mpBuffer + CODE_BUFFER_SIZE;
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if (mpBuffer == NULL || mpSecondBuffer == NULL)
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return false;
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_SetMemoryPermission((unsigned int*)mpBuffer, CODE_BUFFER_SIZE*2, 7);
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//_SetMemoryPermission((unsigned int*)mpSecondBuffer, CODE_BUFFER_SIZE, 7);
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#endif
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mBufferPtr = 0;
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mBufferSize = 0;
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mSecondBufferPtr = 0;
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mSecondBufferSize = 0;
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return true;
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}
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//*****************************************************************************
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//
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//*****************************************************************************
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void CCodeBufferManagerARM::Reset()
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{
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mBufferPtr = 0;
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mSecondBufferPtr = 0;
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}
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//*****************************************************************************
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//
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//*****************************************************************************
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void CCodeBufferManagerARM::Finalise()
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{
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if (mpBuffer != NULL && mpSecondBuffer != NULL)
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{
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#ifdef DAEDALUS_CTR
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_SetMemoryPermission((unsigned int*)mpBuffer, CODE_BUFFER_SIZE*2 / 4096, 3);
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//_SetMemoryPermission((unsigned int*)mpSecondBuffer, CODE_BUFFER_SIZE / 4096, 3);
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#endif
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free(mpBuffer);
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//free(mpSecondBuffer);
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mpBuffer = NULL;
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mpSecondBuffer = NULL;
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}
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}
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//*****************************************************************************
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//
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//*****************************************************************************
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std::unique_ptr<CCodeGenerator> CCodeBufferManagerARM::StartNewBlock()
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{
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// Round up to 16 byte boundry
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u32 aligned_ptr( (mBufferPtr + 15) & (~15) );
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mBufferPtr = aligned_ptr;
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u32 aligned_ptr2((mSecondBufferPtr + 15) & (~15));
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mSecondBufferPtr = aligned_ptr2;
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mPrimaryBuffer.SetBuffer( mpBuffer + mBufferPtr );
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mSecondaryBuffer.SetBuffer( mpSecondBuffer + mSecondBufferPtr );
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return new CCodeGeneratorARM( &mPrimaryBuffer, &mSecondaryBuffer );
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}
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//*****************************************************************************
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//
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//*****************************************************************************
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u32 CCodeBufferManagerARM::FinaliseCurrentBlock()
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{
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u32 main_block_size( mPrimaryBuffer.GetSize() );
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mBufferPtr += main_block_size;
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mSecondBufferPtr += mSecondaryBuffer.GetSize();
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#if 0 //Second buffer is currently unused
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mSecondBufferPtr += mSecondaryBuffer.GetSize();
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mSecondBufferPtr = ((mSecondBufferPtr - 1) & 0xfffffff0) + 0x10; // align to 16-byte boundary
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#endif
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#ifdef DAEDALUS_CTR
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_InvalidateAndFlushCaches();
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#endif
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return main_block_size;
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}
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