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updated cpudetection

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3405 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
alex 2001-12-09 17:04:55 +00:00
parent 676d9cfebd
commit 55a015e6cf
1 changed files with 31 additions and 5 deletions
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36
loader/win32.c
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@ -864,7 +864,6 @@ void WINAPI expGetSystemInfo(SYSTEM_INFO* si)
cachedsi.wProcessorLevel = 5; /* pentium */
cachedsi.wProcessorRevision = 0x0101;
#if 1
/* mplayer's way to detect PF's */
{
#include "../cpudetect.h"
@ -876,9 +875,30 @@ void WINAPI expGetSystemInfo(SYSTEM_INFO* si)
PF[PF_XMMI_INSTRUCTIONS_AVAILABLE] = TRUE;
if (gCpuCaps.has3DNow)
PF[PF_AMD3D_INSTRUCTIONS_AVAILABLE] = TRUE;
}
#endif
switch(gCpuCaps.cpuType)
{
case CPUTYPE_I686:
case CPUTYPE_I586:
cachedsi.dwProcessorType = PROCESSOR_INTEL_PENTIUM;
cachedsi.wProcessorLevel = 5;
break;
case CPUTYPE_I486:
cachedsi.dwProcessorType = PROCESSOR_INTEL_486;
cachedsi.wProcessorLevel = 4;
break;
case CPUTYPE_I386:
default:
cachedsi.dwProcessorType = PROCESSOR_INTEL_386;
cachedsi.wProcessorLevel = 3;
break;
}
cachedsi.wProcessorRevision = gCpuCaps.cpuStepping;
cachedsi.dwNumberOfProcessors = 1; /* hardcoded */
}
/* disable cpuid based detection (mplayer's cpudetect.c does this - see above) */
#if 0
#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__svr4__)
do_cpuid(1, regs);
switch ((regs[0] >> 8) & 0xf) { // cpu family
@ -908,7 +928,12 @@ void WINAPI expGetSystemInfo(SYSTEM_INFO* si)
if (regs[3] & (1 << 31))
PF[PF_AMD3D_INSTRUCTIONS_AVAILABLE] = TRUE;
cachedsi.dwNumberOfProcessors=1;
#else
#endif
#endif /* if 0 */
/* linux detection enabled (based on proc/cpuinfo) for checking
fdiv_bug and fpu emulation flags -- alex */
#ifdef __linux__
{
char buf[20];
char line[200];
@ -1037,7 +1062,8 @@ void WINAPI expGetSystemInfo(SYSTEM_INFO* si)
*/
cachedsi.dwNumberOfProcessors=1;
}
#endif /* __FreeBSD__ */
#endif /* __linux__ */
cache = 1;
memcpy(si,&cachedsi,sizeof(*si));
DumpSystemInfo(si);