ID_AA64PFR0_RAS_SHIFT
#define ID_AA64PFR0_RAS_MASK (UL(0xf) << ID_AA64PFR0_RAS_SHIFT)
#define ID_AA64PFR0_RAS_NONE (UL(0x0) << ID_AA64PFR0_RAS_SHIFT)
#define ID_AA64PFR0_RAS_IMPL (UL(0x1) << ID_AA64PFR0_RAS_SHIFT)
#define ID_AA64PFR0_RAS_8_4 (UL(0x2) << ID_AA64PFR0_RAS_SHIFT)
#define ID_AA64PFR0_RAS_8_9 (UL(0x3) << ID_AA64PFR0_RAS_SHIFT)