USE_VIA_ACE_IF_PRESENT
#if 0 && defined(VIA_ACE_POSSIBLE) && !defined(USE_VIA_ACE_IF_PRESENT)
#if defined(USE_VIA_ACE_IF_PRESENT)
#if defined(ASSUME_VIA_ACE_PRESENT) && !defined(USE_VIA_ACE_IF_PRESENT)
#if defined(USE_VIA_ACE_IF_PRESENT) && !defined(AES_REV_DKS)