ID_AA64PFR1_SME_SHIFT
#define ID_AA64PFR1_SME_MASK (UL(0xf) << ID_AA64PFR1_SME_SHIFT)
#define ID_AA64PFR1_SME_NONE (UL(0x0) << ID_AA64PFR1_SME_SHIFT)
#define ID_AA64PFR1_SME_SME (UL(0x1) << ID_AA64PFR1_SME_SHIFT)
#define ID_AA64PFR1_SME_SME2 (UL(0x2) << ID_AA64PFR1_SME_SHIFT)