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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 | ||
18 | #if defined(__x86_64__) || defined(__i386__) | |
19 | ||
20 | #if CC_KERNEL | |
21 | #include <i386/cpuid.h> | |
22 | #define CC_HAS_RDRAND() ((cpuid_features() & CPUID_FEATURE_RDRAND) != 0) | |
23 | #elif CC_XNU_KERNEL_AVAILABLE | |
24 | #include <System/i386/cpu_capabilities.h> | |
25 | ||
26 | extern int _cpu_capabilities; | |
27 | #define CC_HAS_RDRAND() (_cpu_capabilities & kHasRDRAND) | |
28 | #else | |
29 | #define CC_HAS_RDRAND() 0 | |
30 | #endif | |
31 | ||
32 | #if (CCSHA1_VNG_INTEL || CCSHA2_VNG_INTEL || CCAES_INTEL_ASM) | |
33 | ||
34 | #if CC_KERNEL | |
35 | #include <i386/cpuid.h> | |
36 | #define CC_HAS_AESNI() ((cpuid_features() & CPUID_FEATURE_AES) != 0) | |
37 | #define CC_HAS_SupplementalSSE3() ((cpuid_features() & CPUID_FEATURE_SSSE3) != 0) | |
38 | #define CC_HAS_AVX1() ((cpuid_features() & CPUID_FEATURE_AVX1_0) != 0) | |
39 | #define CC_HAS_AVX2() ((cpuid_info()->cpuid_leaf7_features & CPUID_LEAF7_FEATURE_AVX2) != 0) | |
40 | #define CC_HAS_AVX512_AND_IN_KERNEL() ((cpuid_info()->cpuid_leaf7_features & CPUID_LEAF7_FEATURE_AVX512F) !=0) | |
41 | ||
42 | #elif CC_XNU_KERNEL_AVAILABLE | |
43 | #include <System/i386/cpu_capabilities.h> | |
44 | ||
45 | extern int _cpu_capabilities; | |
46 | #define CC_HAS_AESNI() (_cpu_capabilities & kHasAES) | |
47 | #define CC_HAS_SupplementalSSE3() (_cpu_capabilities & kHasSupplementalSSE3) | |
48 | #define CC_HAS_AVX1() (_cpu_capabilities & kHasAVX1_0) | |
49 | #define CC_HAS_AVX2() (_cpu_capabilities & kHasAVX2_0) | |
50 | #define CC_HAS_AVX512_AND_IN_KERNEL() 0 | |
51 | #else | |
52 | #define CC_HAS_AESNI() 0 | |
53 | #define CC_HAS_SupplementalSSE3() 0 | |
54 | #define CC_HAS_AVX1() 0 | |
55 | #define CC_HAS_AVX2() 0 | |
56 | #define CC_HAS_AVX512_AND_IN_KERNEL() 0 | |
57 | #endif | |
58 | ||
59 | #endif // (CCSHA1_VNG_INTEL || CCSHA2_VNG_INTEL || CCAES_INTEL_ASM) | |
60 | ||
61 | #endif // defined(__x86_64__) || defined(__i386__) | |
62 | ||
63 | #endif /* CORECRYPTO_CC_RUNTIME_CONFIG_H_ */ |