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Lots of various changes. CPU detect fix. Maybe a minor speed increase. CPU bugs remain.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@180 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard
2008-08-12 20:05:45 +00:00
parent 29102ecbc6
commit 575bdd9166
27 changed files with 400 additions and 192 deletions
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158
Source/Core/Common/Src/CPUDetect.cpp
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@ -21,7 +21,7 @@
//#include <config/i386/cpuid.h>
#include <xmmintrin.h>
void __cpuid(int info[4], int x) {}
void __cpuid(int info[4], int x) {memset(info, 0, sizeof(info));}
#endif
@ -72,94 +72,94 @@ void CPUInfoStruct::Detect()
isAMD = true;
}
// Get the information associated with each valid Id
for (unsigned int i = 0; i <= nIds; ++i)
if (nIds >= 2)
{
__cpuid(CPUInfo, i);
// Get the information associated with each valid Id
__cpuid(CPUInfo, 1);
nSteppingID = CPUInfo[0] & 0xf;
nModel = (CPUInfo[0] >> 4) & 0xf;
nFamily = (CPUInfo[0] >> 8) & 0xf;
nProcessorType = (CPUInfo[0] >> 12) & 0x3;
nExtendedmodel = (CPUInfo[0] >> 16) & 0xf;
nExtendedfamily = (CPUInfo[0] >> 20) & 0xff;
nBrandIndex = CPUInfo[1] & 0xff;
nCLFLUSHcachelinesize = ((CPUInfo[1] >> 8) & 0xff) * 8;
nAPICPhysicalID = (CPUInfo[1] >> 24) & 0xff;
bSSE3 = (CPUInfo[2] & 0x1) || false;
bSSSE3 = (CPUInfo[2] & 0x200) || false;
bMONITOR_MWAIT = (CPUInfo[2] & 0x8) || false;
bCPLQualifiedDebugStore = (CPUInfo[2] & 0x10) || false;
bThermalMonitor2 = (CPUInfo[2] & 0x100) || false;
nFeatureInfo = CPUInfo[3];
// Interpret CPU feature information.
if (i == 1)
if (CPUInfo[2] & (1 << 23))
{
nSteppingID = CPUInfo[0] & 0xf;
nModel = (CPUInfo[0] >> 4) & 0xf;
nFamily = (CPUInfo[0] >> 8) & 0xf;
nProcessorType = (CPUInfo[0] >> 12) & 0x3;
nExtendedmodel = (CPUInfo[0] >> 16) & 0xf;
nExtendedfamily = (CPUInfo[0] >> 20) & 0xff;
nBrandIndex = CPUInfo[1] & 0xff;
nCLFLUSHcachelinesize = ((CPUInfo[1] >> 8) & 0xff) * 8;
nAPICPhysicalID = (CPUInfo[1] >> 24) & 0xff;
bSSE3NewInstructions = (CPUInfo[2] & 0x1) || false;
bSSSE3NewInstructions = (CPUInfo[2] & 0x200) || false;
bMONITOR_MWAIT = (CPUInfo[2] & 0x8) || false;
bCPLQualifiedDebugStore = (CPUInfo[2] & 0x10) || false;
bThermalMonitor2 = (CPUInfo[2] & 0x100) || false;
nFeatureInfo = CPUInfo[3];
bPOPCNT = true;
}
if (CPUInfo[2] & (1 << 23))
{
bPOPCNT = true;
}
if (CPUInfo[2] & (1 << 19))
{
bSSE4_1 = true;
}
if (CPUInfo[2] & (1 << 19))
{
bSSE4_1 = true;
}
if (CPUInfo[2] & (1 << 20))
{
bSSE4_2 = true;
}
if (CPUInfo[2] & (1 << 20))
{
bSSE4_2 = true;
}
}
// Calling __cpuid with 0x80000000 as the InfoType argument
// gets the number of valid extended IDs.
__cpuid(CPUInfo, 0x80000000);
nExIds = CPUInfo[0];
memset(CPUBrandString, 0, sizeof(CPUBrandString));
// Get the information associated with each extended ID.
for (unsigned int i = 0x80000000; i <= nExIds; ++i)
if (bSSE3)
{
__cpuid(CPUInfo, i);
// Only SSE3 CPU-s support extended infotypes
// Calling __cpuid with 0x80000000 as the InfoType argument
// gets the number of valid extended IDs.
__cpuid(CPUInfo, 0x80000000);
nExIds = CPUInfo[0];
memset(CPUBrandString, 0, sizeof(CPUBrandString));
// Interpret CPU brand string and cache information.
if (i == 0x80000001)
// Get the information associated with each extended ID.
for (unsigned int i = 0x80000000; i <= nExIds; ++i)
{
// This block seems bugged.
nFeatureInfo2 = CPUInfo[1]; // ECX
bSSE5 = (nFeatureInfo2 & (1 << 11)) ? true : false;
bLZCNT = (nFeatureInfo2 & (1 << 5)) ? true : false;
bSSE4A = (nFeatureInfo2 & (1 << 6)) ? true : false;
bLAHFSAHF64 = (nFeatureInfo2 & (1 << 0)) ? true : false;
__cpuid(CPUInfo, i);
CPU64bit = (CPUInfo[2] & (1 << 29)) ? true : false;
}
else if (i == 0x80000002)
{
memcpy(CPUBrandString, CPUInfo, sizeof(CPUInfo));
}
else if (i == 0x80000003)
{
memcpy(CPUBrandString + 16, CPUInfo, sizeof(CPUInfo));
}
else if (i == 0x80000004)
{
memcpy(CPUBrandString + 32, CPUInfo, sizeof(CPUInfo));
}
else if (i == 0x80000006)
{
nCacheLineSize = CPUInfo[2] & 0xff;
nL2Associativity = (CPUInfo[2] >> 12) & 0xf;
nCacheSizeK = (CPUInfo[2] >> 16) & 0xffff;
}
else if (i == 0x80000008)
{
int numLSB = (CPUInfo[2] >> 12) & 0xF;
numCores = 1 << numLSB;
//int coresPerDie = CPUInfo[2] & 0xFF;
// numCores = coresPerDie;
// Interpret CPU brand string and cache information.
if (i == 0x80000001)
{
// This block seems bugged.
nFeatureInfo2 = CPUInfo[1]; // ECX
bSSE5 = (nFeatureInfo2 & (1 << 11)) ? true : false;
bLZCNT = (nFeatureInfo2 & (1 << 5)) ? true : false;
bSSE4A = (nFeatureInfo2 & (1 << 6)) ? true : false;
bLAHFSAHF64 = (nFeatureInfo2 & (1 << 0)) ? true : false;
CPU64bit = (CPUInfo[2] & (1 << 29)) ? true : false;
}
else if (i == 0x80000002)
{
memcpy(CPUBrandString, CPUInfo, sizeof(CPUInfo));
}
else if (i == 0x80000003)
{
memcpy(CPUBrandString + 16, CPUInfo, sizeof(CPUInfo));
}
else if (i == 0x80000004)
{
memcpy(CPUBrandString + 32, CPUInfo, sizeof(CPUInfo));
}
else if (i == 0x80000006)
{
nCacheLineSize = CPUInfo[2] & 0xff;
nL2Associativity = (CPUInfo[2] >> 12) & 0xf;
nCacheSizeK = (CPUInfo[2] >> 16) & 0xffff;
}
else if (i == 0x80000008)
{
int numLSB = (CPUInfo[2] >> 12) & 0xF;
numCores = 1 << numLSB;
//int coresPerDie = CPUInfo[2] & 0xFF;
// numCores = coresPerDie;
}
}
}
@ -222,9 +222,9 @@ void CPUInfoStruct::Detect()
nIds <<= 1;
bFXSAVE_FXRSTOR = (nFeatureInfo & nIds) ? true : false;
nIds <<= 1;
bSSEExtensions = (nFeatureInfo & nIds) ? true : false;
bSSE = (nFeatureInfo & nIds) ? true : false;
nIds <<= 1;
bSSE2Extensions = (nFeatureInfo & nIds) ? true : false;
bSSE2 = (nFeatureInfo & nIds) ? true : false;
nIds <<= 1;
bSelfSnoop = (nFeatureInfo & nIds) ? true : false;
nIds <<= 1;