ID_AA64PFR0_FP_SHIFT
#define ID_AA64PFR0_FP_MASK (0xf << ID_AA64PFR0_FP_SHIFT)
#define ID_AA64PFR0_FP_IMPL (0x0 << ID_AA64PFR0_FP_SHIFT)
#define ID_AA64PFR0_FP_HP (0x1 << ID_AA64PFR0_FP_SHIFT)
#define ID_AA64PFR0_FP_NONE (0xf << ID_AA64PFR0_FP_SHIFT)