cpuid_getchiprev
return (cpuid_getchiprev(HDLPRIV(hdl)));
azn->azn_chiprev = cpuid_getchiprev(CPU);
smntemp->smn_fam = chiprev_family(cpuid_getchiprev(CPU));
umc->umc_family = chiprev_family(cpuid_getchiprev(CPU));
rev = cpuid_getchiprev(CPU);
extern x86_chiprev_t cpuid_getchiprev(struct cpu *);