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 #define CC_HAS_AVX512_AND_IN_KERNEL() ((cpuid_info()->cpuid_leaf7_features & CPUID_LEAF7_FEATURE_AVX512F) !=0)
27
28#elif CC_XNU_KERNEL_AVAILABLE
29 # include <System/i386/cpu_capabilities.h>
30
31 #ifndef kHasAVX2_0 /* 10.8 doesn't have kHasAVX2_0 defined */
32 #define kHasAVX2_0 0
33 #endif
34
35 extern int _cpu_capabilities;
36 #define CC_HAS_AESNI() (_cpu_capabilities & kHasAES)
37 #define CC_HAS_SupplementalSSE3() (_cpu_capabilities & kHasSupplementalSSE3)
38 #define CC_HAS_AVX1() (_cpu_capabilities & kHasAVX1_0)
39 #define CC_HAS_AVX2() (_cpu_capabilities & kHasAVX2_0)
40 #define CC_HAS_AVX512_AND_IN_KERNEL() 0
41#else
42 #define CC_HAS_AESNI() 0
43 #define CC_HAS_SupplementalSSE3() 0
44 #define CC_HAS_AVX1() 0
45 #define CC_HAS_AVX2() 0
46 #define CC_HAS_AVX512_AND_IN_KERNEL() 0
47#endif
48
49#endif /* !(defined(__x86_64__) || defined(__i386__)) */
50
51#endif /* CORECRYPTO_CC_RUNTIME_CONFIG_H_ */
52