X86_CHIPREV_UNKNOWN
{ X86_CHIPREV_UNKNOWN, NULL, NULL }
while (nbcp->cfg_revmask != X86_CHIPREV_UNKNOWN) {
{ X86_CHIPREV_UNKNOWN, 0 }
while (extrap != NULL && extrap->ctl_revmask != X86_CHIPREV_UNKNOWN) {
x86_chiprev_t chiprev = X86_CHIPREV_UNKNOWN;
#define MC_REV_UNKNOWN X86_CHIPREV_UNKNOWN