MSR_AMD_SAMP_BR_FROM
return MSR_AMD_SAMP_BR_FROM + 2 * idx;
return MSR_AMD_SAMP_BR_FROM + 2 * idx + 1;
wrmsrq(MSR_AMD_SAMP_BR_FROM + idx * 2, val);
wrmsrq(MSR_AMD_SAMP_BR_FROM + idx * 2 + 1, val);
rdmsrq(MSR_AMD_SAMP_BR_FROM + idx * 2, val);
rdmsrq(MSR_AMD_SAMP_BR_FROM + idx * 2 + 1, val);