EXTERNAL_HEADERS/corecrypto/cc_runtime_config.h

   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_ */