| Antonio Nino Diaz | c326c34 | 2019-01-11 11:20:10 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2019, Arm Limited. All rights reserved. | ||||
| 3 | * | ||||
| 4 | * SPDX-License-Identifier: BSD-3-Clause | ||||
| 5 | */ | ||||
| 6 | |||||
| 7 | #ifndef ARCH_FEATURES_H | ||||
| 8 | #define ARCH_FEATURES_H | ||||
| 9 | |||||
| 10 | #include <stdbool.h> | ||||
| 11 | |||||
| 12 | #include <arch_helpers.h> | ||||
| 13 | |||||
| 14 | static inline bool is_armv8_2_ttcnp_present(void) | ||||
| 15 | { | ||||
| 16 | return ((read_id_aa64mmfr2_el1() >> ID_AA64MMFR2_EL1_CNP_SHIFT) & | ||||
| 17 | ID_AA64MMFR2_EL1_CNP_MASK) != 0U; | ||||
| 18 | } | ||||
| 19 | |||||
| 20 | #endif /* ARCH_FEATURES_H */ | ||||