IAP_PMC0
wrmsr(core_iap_wroffset + IAP_PMC0 + ri, v);
wrmsr(core_iap_wroffset + IAP_PMC0 + n, v);
core_iap_wroffset = IAP_A_PMC0 - IAP_PMC0;
IAP_PMC0 + ri, *v);
IAP_PMC0 + ri, v);
wrmsr(core_iap_wroffset + IAP_PMC0 + ri, v);