ID_AA64PFR0_SEL2_SHIFT
#define ID_AA64PFR0_SEL2_MASK (UL(0xf) << ID_AA64PFR0_SEL2_SHIFT)
#define ID_AA64PFR0_SEL2_NONE (UL(0x0) << ID_AA64PFR0_SEL2_SHIFT)
#define ID_AA64PFR0_SEL2_IMPL (UL(0x1) << ID_AA64PFR0_SEL2_SHIFT)