ID_AA64ISAR0_CRC32_SHIFT
#define ID_AA64ISAR0_CRC32_MASK (0xf << ID_AA64ISAR0_CRC32_SHIFT)
#define ID_AA64ISAR0_CRC32_NONE (0x0 << ID_AA64ISAR0_CRC32_SHIFT)
#define ID_AA64ISAR0_CRC32_BASE (0x1 << ID_AA64ISAR0_CRC32_SHIFT)