mirror of https://github.com/PCSX2/pcsx2.git
62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
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/* Cpudetection lib
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* Copyright (C) 2002-2009 PCSX2 Dev Team
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*
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* PCSX2 is free software: you can redistribute it and/or modify it under the terms
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* of the GNU Lesser General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with PCSX2.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "PrecompiledHeader.h"
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#include "cpudetect_internal.h"
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s32 iCpuId( u32 cmd, u32 *regs )
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{
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// ecx should be zero for CPUID(4)
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__asm__ __volatile__ ( "xor %ecx, %ecx" );
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__cpuid( (int*)regs, cmd );
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return 0;
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}
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// Note: Apparently this solution is Linux/Solaris only.
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// FreeBSD/OsX need something far more complicated (apparently)
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void CountLogicalCores( int LogicalCoresPerPhysicalCPU, int PhysicalCoresPerPhysicalCPU )
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{
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const uint numCPU = sysconf( _SC_NPROCESSORS_ONLN );
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if( numCPU > 0 )
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{
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isMultiCore = numCPU > 1;
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x86caps.LogicalCores = numCPU;
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x86caps.PhysicalCores = ( numCPU / LogicalCoresPerPhysicalCPU ) * PhysicalCoresPerPhysicalCPU;
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}
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else
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{
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// Indeterminate?
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x86caps.LogicalCores = 1;
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x86caps.PhysicalCores = 1;
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}
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}
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bool CanTestInstructionSets()
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{
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// Not implemented yet for linux. (see cpudetect_internal.h for details)
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return false;
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}
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bool _test_instruction( void* pfnCall )
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{
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// Not implemented yet for linux. (see cpudetect_internal.h for details)
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return false;
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}
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// Not implemented yet for linux (see cpudetect_internal.h for details)
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SingleCoreAffinity::SingleCoreAffinity() {}
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SingleCoreAffinity::~SingleCoreAffinity() throw() {}
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