1 | /* cpuid.h
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2 | *
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3 | * Copyright (C) 2006-2017 wolfSSL Inc.
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4 | *
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5 | * This file is part of wolfSSL.
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6 | *
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7 | * wolfSSL is free software; you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation; either version 2 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * wolfSSL is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with this program; if not, write to the Free Software
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19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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20 | */
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21 |
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22 |
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23 |
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24 | #ifndef WOLF_CRYPT_CPUID_H
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25 | #define WOLF_CRYPT_CPUID_H
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26 |
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27 |
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28 | #include <wolfssl/wolfcrypt/types.h>
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29 |
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30 |
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31 | #ifdef __cplusplus
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32 | extern "C" {
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33 | #endif
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34 |
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35 | #if defined(WOLFSSL_X86_64_BUILD) || defined(USE_INTEL_SPEEDUP) || \
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36 | defined(WOLFSSL_AESNI)
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37 | #define CPUID_AVX1 0x0001
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38 | #define CPUID_AVX2 0x0002
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39 | #define CPUID_RDRAND 0x0004
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40 | #define CPUID_RDSEED 0x0008
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41 | #define CPUID_BMI2 0x0010 /* MULX, RORX */
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42 | #define CPUID_AESNI 0x0020
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43 | #define CPUID_ADX 0x0040 /* ADCX, ADOX */
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44 |
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45 | #define IS_INTEL_AVX1(f) ((f) & CPUID_AVX1)
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46 | #define IS_INTEL_AVX2(f) ((f) & CPUID_AVX2)
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47 | #define IS_INTEL_RDRAND(f) ((f) & CPUID_RDRAND)
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48 | #define IS_INTEL_RDSEED(f) ((f) & CPUID_RDSEED)
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49 | #define IS_INTEL_BMI2(f) ((f) & CPUID_BMI2)
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50 | #define IS_INTEL_AESNI(f) ((f) & CPUID_AESNI)
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51 | #define IS_INTEL_ADX(f) ((f) & CPUID_ADX)
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52 |
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53 | void cpuid_set_flags(void);
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54 | word32 cpuid_get_flags(void);
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55 | #endif
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56 |
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57 | #ifdef __cplusplus
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58 | } /* extern "C" */
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59 | #endif
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60 |
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61 |
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62 | #endif /* WOLF_CRYPT_CPUID_H */
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