| /* |
| * Copyright (c) 2019-2023, Arm Limited. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #ifndef ARCH_FEATURES_H |
| #define ARCH_FEATURES_H |
| |
| #include <stdbool.h> |
| |
| #include <arch_helpers.h> |
| |
| #define ISOLATE_FIELD(reg, feat) \ |
| ((unsigned int)(((reg) >> (feat ## _SHIFT)) & (feat ## _MASK))) |
| |
| static inline bool is_armv7_gentimer_present(void) |
| { |
| return ISOLATE_FIELD(read_id_pfr1(), ID_PFR1_GENTIMER) != 0U; |
| } |
| |
| static inline bool is_armv8_2_ttcnp_present(void) |
| { |
| return ISOLATE_FIELD(read_id_mmfr4(), ID_MMFR4_CNP) != 0U; |
| } |
| |
| #endif /* ARCH_FEATURES_H */ |