| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182 |
- /* cpuid.h
- *
- * Copyright (C) 2006-2023 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) || defined(WOLFSSL_SP_X86_64_ASM)) && \
- !defined(WOLFSSL_NO_ASM)
- #define HAVE_CPUID
- #define HAVE_CPUID_INTEL
- #endif
- #ifdef HAVE_CPUID_INTEL
- #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 CPUID_MOVBE 0x0080 /* Move and byte swap */
- #define CPUID_BMI1 0x0100 /* ANDN */
- #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)
- #define IS_INTEL_MOVBE(f) ((f) & CPUID_MOVBE)
- #define IS_INTEL_BMI1(f) ((f) & CPUID_BMI1)
- #endif
- #ifdef HAVE_CPUID
- void cpuid_set_flags(void);
- word32 cpuid_get_flags(void);
- /* Public APIs to modify flags. */
- WOLFSSL_API void cpuid_select_flags(word32 flags);
- WOLFSSL_API void cpuid_set_flag(word32 flag);
- WOLFSSL_API void cpuid_clear_flag(word32 flag);
- #endif
- #ifdef __cplusplus
- } /* extern "C" */
- #endif
- #endif /* WOLF_CRYPT_CPUID_H */
|
