diff options
Diffstat (limited to 'include/arch/aarch64/arch_features.h')
| -rw-r--r-- | include/arch/aarch64/arch_features.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/arch/aarch64/arch_features.h b/include/arch/aarch64/arch_features.h index 6af1d039..1129b8e4 100644 --- a/include/arch/aarch64/arch_features.h +++ b/include/arch/aarch64/arch_features.h @@ -48,4 +48,10 @@ static inline bool is_armv8_4_ttst_present(void) ID_AA64MMFR2_EL1_ST_MASK) == 1U; } +static inline bool is_armv8_5_bti_present(void) +{ + return ((read_id_aa64pfr1_el1() >> ID_AA64PFR1_EL1_BT_SHIFT) & + ID_AA64PFR1_EL1_BT_MASK) == BTI_IMPLEMENTED; +} + #endif /* ARCH_FEATURES_H */ |