cc_runtime_config.h [plain text]
#ifndef CORECRYPTO_CC_RUNTIME_CONFIG_H_
#define CORECRYPTO_CC_RUNTIME_CONFIG_H_
#include <corecrypto/cc_config.h>
#if defined(__x86_64__) || defined(__i386__)
#if CC_KERNEL
#include <i386/cpuid.h>
#define CC_HAS_RDRAND() ((cpuid_features() & CPUID_FEATURE_RDRAND) != 0)
#define CC_HAS_AESNI() ((cpuid_features() & CPUID_FEATURE_AES) != 0)
#define CC_HAS_SupplementalSSE3() ((cpuid_features() & CPUID_FEATURE_SSSE3) != 0)
#define CC_HAS_AVX1() ((cpuid_features() & CPUID_FEATURE_AVX1_0) != 0)
#define CC_HAS_AVX2() ((cpuid_info()->cpuid_leaf7_features & CPUID_LEAF7_FEATURE_AVX2) != 0)
#define CC_HAS_AVX512_AND_IN_KERNEL() ((cpuid_info()->cpuid_leaf7_features & CPUID_LEAF7_FEATURE_AVX512F) !=0)
#define CC_HAS_BMI2() ((cpuid_info()->cpuid_leaf7_features & CPUID_LEAF7_FEATURE_BMI2) != 0)
#define CC_HAS_ADX() ((cpuid_info()->cpuid_leaf7_features & CPUID_LEAF7_FEATURE_ADX) != 0)
#elif CC_XNU_KERNEL_AVAILABLE && CC_INTERNAL_SDK
#include <System/i386/cpu_capabilities.h>
#define CC_HAS_RDRAND() (_get_cpu_capabilities() & kHasRDRAND)
#define CC_HAS_AESNI() (_get_cpu_capabilities() & kHasAES)
#define CC_HAS_SupplementalSSE3() (_get_cpu_capabilities() & kHasSupplementalSSE3)
#define CC_HAS_AVX1() (_get_cpu_capabilities() & kHasAVX1_0)
#define CC_HAS_AVX2() (_get_cpu_capabilities() & kHasAVX2_0)
#define CC_HAS_AVX512_AND_IN_KERNEL() 0
#define CC_HAS_BMI2() (_get_cpu_capabilities() & kHasBMI2)
#define CC_HAS_ADX() (_get_cpu_capabilities() & kHasADX)
#elif CC_SGX
#define CC_HAS_AESNI() 0
#define CC_HAS_SupplementalSSE3() 0
#define CC_HAS_AVX1() 0
#define CC_HAS_AVX2() 0
#define CC_HAS_AVX512_AND_IN_KERNEL() 0
#define CC_HAS_BMI2() 0
#define CC_HAS_RDRAND() 0
#define CC_HAS_ADX() 0
#else
#define CC_HAS_AESNI() __builtin_cpu_supports("aes")
#define CC_HAS_SupplementalSSE3() __builtin_cpu_supports("ssse3")
#define CC_HAS_AVX1() __builtin_cpu_supports("avx")
#define CC_HAS_AVX2() __builtin_cpu_supports("avx2")
#define CC_HAS_AVX512_AND_IN_KERNEL() 0
#define CC_HAS_BMI2() __builtin_cpu_supports("bmi2")
#if CC_LINUX || !CC_INTERNAL_SDK
#include <cpuid.h>
#include <stdbool.h>
CC_INLINE bool _cpu_supports_rdrand()
{
unsigned int eax, ebx, ecx, edx;
__cpuid(1, eax, ebx, ecx, edx);
return ecx & bit_RDRND;
}
CC_INLINE bool _cpu_supports_adx()
{
unsigned int eax, ebx, ecx, edx;
__cpuid_count(7, 0, eax, ebx, ecx, edx);
return ebx & bit_ADX;
}
#define CC_HAS_RDRAND() _cpu_supports_rdrand()
#define CC_HAS_ADX() _cpu_supports_adx()
#else
#define CC_HAS_RDRAND() 0
#define CC_HAS_ADX() 0
#endif
#endif
#endif // defined(__x86_64__) || defined(__i386__)
#endif