diff options
Diffstat (limited to 'include/arch/aarch64/arch_features.h')
| -rw-r--r-- | include/arch/aarch64/arch_features.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/include/arch/aarch64/arch_features.h b/include/arch/aarch64/arch_features.h index 671b3dc60..dc0b7f306 100644 --- a/include/arch/aarch64/arch_features.h +++ b/include/arch/aarch64/arch_features.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2019-2020, Arm Limited. All rights reserved. + * Copyright (c) 2019-2021, Arm Limited. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -17,6 +17,18 @@ static inline bool is_armv7_gentimer_present(void) return true; } +static inline bool is_armv8_1_pan_present(void) +{ + return ((read_id_aa64mmfr1_el1() >> ID_AA64MMFR1_EL1_PAN_SHIFT) & + ID_AA64MMFR1_EL1_PAN_MASK) != 0U; +} + +static inline bool is_armv8_1_vhe_present(void) +{ + return ((read_id_aa64mmfr1_el1() >> ID_AA64MMFR1_EL1_VHE_SHIFT) & + ID_AA64MMFR1_EL1_VHE_MASK) != 0U; +} + static inline bool is_armv8_2_ttcnp_present(void) { return ((read_id_aa64mmfr2_el1() >> ID_AA64MMFR2_EL1_CNP_SHIFT) & @@ -82,6 +94,12 @@ static inline bool is_armv8_5_rng_present(void) ID_AA64ISAR0_RNDR_MASK); } +static inline bool is_armv8_6_feat_amuv1p1_present(void) +{ + return (((read_id_aa64pfr0_el1() >> ID_AA64PFR0_AMU_SHIFT) & + ID_AA64PFR0_AMU_MASK) >= ID_AA64PFR0_AMU_V1P1); +} + /* * Return MPAM version: * |