/usr/include/wolfssl/wolfcrypt/cpuid.h is in libwolfssl-dev 3.13.0+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | /* cpuid.h
*
* Copyright (C) 2006-2017 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* wolfSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* wolfSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
#ifndef WOLF_CRYPT_CPUID_H
#define WOLF_CRYPT_CPUID_H
#include <wolfssl/wolfcrypt/types.h>
#ifdef __cplusplus
extern "C" {
#endif
#if defined(WOLFSSL_X86_64_BUILD) || defined(USE_INTEL_SPEEDUP) || \
defined(WOLFSSL_AESNI)
#define CPUID_AVX1 0x0001
#define CPUID_AVX2 0x0002
#define CPUID_RDRAND 0x0004
#define CPUID_RDSEED 0x0008
#define CPUID_BMI2 0x0010 /* MULX, RORX */
#define CPUID_AESNI 0x0020
#define CPUID_ADX 0x0040 /* ADCX, ADOX */
#define IS_INTEL_AVX1(f) ((f) & CPUID_AVX1)
#define IS_INTEL_AVX2(f) ((f) & CPUID_AVX2)
#define IS_INTEL_RDRAND(f) ((f) & CPUID_RDRAND)
#define IS_INTEL_RDSEED(f) ((f) & CPUID_RDSEED)
#define IS_INTEL_BMI2(f) ((f) & CPUID_BMI2)
#define IS_INTEL_AESNI(f) ((f) & CPUID_AESNI)
#define IS_INTEL_ADX(f) ((f) & CPUID_ADX)
void cpuid_set_flags(void);
word32 cpuid_get_flags(void);
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* WOLF_CRYPT_CPUID_H */
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