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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_ */