diff options
Diffstat (limited to 'src/include/openssl/cpu.h')
| -rw-r--r-- | src/include/openssl/cpu.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/include/openssl/cpu.h b/src/include/openssl/cpu.h index 981d246..19e11d0 100644 --- a/src/include/openssl/cpu.h +++ b/src/include/openssl/cpu.h @@ -94,6 +94,14 @@ extern uint32_t OPENSSL_ia32cap_P[4]; #endif #if defined(OPENSSL_ARM) || defined(OPENSSL_AARCH64) + +#if defined(OPENSSL_APPLE) +/* iOS builds use the static ARM configuration. */ +#define OPENSSL_STATIC_ARMCAP +#endif + +#if !defined(OPENSSL_STATIC_ARMCAP) + /* CRYPTO_is_NEON_capable returns true if the current CPU has a NEON unit. Note * that |OPENSSL_armcap_P| also exists and contains the same information in a * form that's easier for assembly to use. */ @@ -116,6 +124,46 @@ OPENSSL_EXPORT char CRYPTO_is_NEON_functional(void); * compiled with |-mfpu=neon| or if |CRYPTO_set_NEON_capable| has been called * with a non-zero argument. */ OPENSSL_EXPORT void CRYPTO_set_NEON_functional(char neon_functional); + +/* CRYPTO_is_ARMv8_AES_capable returns true if the current CPU supports the + * ARMv8 AES instruction. */ +int CRYPTO_is_ARMv8_AES_capable(void); + +/* CRYPTO_is_ARMv8_PMULL_capable returns true if the current CPU supports the + * ARMv8 PMULL instruction. */ +int CRYPTO_is_ARMv8_PMULL_capable(void); + +#else + +static inline int CRYPTO_is_NEON_capable(void) { +#if defined(OPENSSL_STATIC_ARMCAP_NEON) || defined(__ARM_NEON__) + return 1; +#else + return 0; +#endif +} + +static inline int CRYPTO_is_NEON_functional(void) { + return CRYPTO_is_NEON_capable(); +} + +static inline int CRYPTO_is_ARMv8_AES_capable(void) { +#if defined(OPENSSL_STATIC_ARMCAP_AES) + return 1; +#else + return 0; +#endif +} + +static inline int CRYPTO_is_ARMv8_PMULL_capable(void) { +#if defined(OPENSSL_STATIC_ARMCAP_PMULL) + return 1; +#else + return 0; +#endif +} + +#endif /* OPENSSL_STATIC_ARMCAP */ #endif /* OPENSSL_ARM */ |