diff options
Diffstat (limited to 'cpudetect.c')
| -rw-r--r-- | cpudetect.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/cpudetect.c b/cpudetect.c index af85c7fdab..09fe43d323 100644 --- a/cpudetect.c +++ b/cpudetect.c @@ -120,9 +120,12 @@ void GetCpuCaps( CpuCaps *caps) do_cpuid(0x00000001, regs2); caps->cpuType=(regs2[0] >> 8)&0xf; + +// see AMD64 Architecture Programmer's Manual, Volume 3: General-purpose and +// System Instructions, Table 3-2: Effective family computation, page 120. if(caps->cpuType==0xf){ - // use extended family (P4, IA64) - caps->cpuType=8+((regs2[0]>>20)&255); + // use extended family (P4, IA64, K8) + caps->cpuType=0xf+((regs2[0]>>20)&255); } caps->cpuStepping=regs2[0] & 0xf; |