ID_AA64MMFR2_EVT_SHIFT
#define ID_AA64MMFR2_EVT_MASK (UL(0xf) << ID_AA64MMFR2_EVT_SHIFT)
#define ID_AA64MMFR2_EVT_NONE (UL(0x0) << ID_AA64MMFR2_EVT_SHIFT)
#define ID_AA64MMFR2_EVT_8_2 (UL(0x1) << ID_AA64MMFR2_EVT_SHIFT)
#define ID_AA64MMFR2_EVT_8_5 (UL(0x2) << ID_AA64MMFR2_EVT_SHIFT)