projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 5ba3f43e A |
1 | /* |
| 2 | * cc_runtime_config.h | |
| 3 | * corecrypto | |
| 4 | * | |
| 5 | * Created on 09/18/2012 | |
| 6 | * | |
| 7 | * Copyright (c) 2012,2014,2015 Apple Inc. All rights reserved. | |
| 8 | * | |
| 9 | */ | |
| 10 | ||
| 11 | #ifndef CORECRYPTO_CC_RUNTIME_CONFIG_H_ | |
| 12 | #define CORECRYPTO_CC_RUNTIME_CONFIG_H_ | |
| 13 | ||
| 14 | #include <corecrypto/cc_config.h> | |
| 15 | ||
| 16 | /* Only intel systems have these runtime switches today. */ | |
| 17 | #if (CCSHA1_VNG_INTEL || CCSHA2_VNG_INTEL || CCAES_INTEL_ASM) \ | |
| 18 | && (defined(__x86_64__) || defined(__i386__)) | |
| 19 | ||
| 20 | #if CC_KERNEL | |
| 21 | #include <i386/cpuid.h> | |
| 22 | #define CC_HAS_AESNI() ((cpuid_features() & CPUID_FEATURE_AES) != 0) | |
| 23 | #define CC_HAS_SupplementalSSE3() ((cpuid_features() & CPUID_FEATURE_SSSE3) != 0) | |
| 24 | #define CC_HAS_AVX1() ((cpuid_features() & CPUID_FEATURE_AVX1_0) != 0) | |
| 25 | #define CC_HAS_AVX2() ((cpuid_info()->cpuid_leaf7_features & CPUID_LEAF7_FEATURE_AVX2) != 0) | |
| 26 | ||
| 27 | #elif CC_XNU_KERNEL_AVAILABLE | |
| 28 | # include <System/i386/cpu_capabilities.h> | |
| 29 | ||
| 30 | #ifndef kHasAVX2_0 /* 10.8 doesn't have kHasAVX2_0 defined */ | |
| 31 | #define kHasAVX2_0 0 | |
| 32 | #endif | |
| 33 | ||
| 34 | extern int _cpu_capabilities; | |
| 35 | #define CC_HAS_AESNI() (_cpu_capabilities & kHasAES) | |
| 36 | #define CC_HAS_SupplementalSSE3() (_cpu_capabilities & kHasSupplementalSSE3) | |
| 37 | #define CC_HAS_AVX1() (_cpu_capabilities & kHasAVX1_0) | |
| 38 | #define CC_HAS_AVX2() (_cpu_capabilities & kHasAVX2_0) | |
| 39 | #else | |
| 40 | #define CC_HAS_AESNI() 0 | |
| 41 | #define CC_HAS_SupplementalSSE3() 0 | |
| 42 | #define CC_HAS_AVX1() 0 | |
| 43 | #define CC_HAS_AVX2() 0 | |
| 44 | #endif | |
| 45 | ||
| 46 | #endif /* !(defined(__x86_64__) || defined(__i386__)) */ | |
| 47 | ||
| 48 | #endif /* CORECRYPTO_CC_RUNTIME_CONFIG_H_ */ |