| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame^] | 1 | /* cpuid.h |
| 2 | * |
| 3 | * Copyright (C) 2006-2021 wolfSSL Inc. |
| 4 | * |
| 5 | * This file is part of wolfSSL. |
| 6 | * |
| 7 | * wolfSSL is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * wolfSSL is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA |
| 20 | */ |
| 21 | |
| 22 | |
| 23 | |
| 24 | #ifndef WOLF_CRYPT_CPUID_H |
| 25 | #define WOLF_CRYPT_CPUID_H |
| 26 | |
| 27 | |
| 28 | #include <wolfssl/wolfcrypt/types.h> |
| 29 | |
| 30 | |
| 31 | #ifdef __cplusplus |
| 32 | extern "C" { |
| 33 | #endif |
| 34 | |
| 35 | #if (defined(WOLFSSL_X86_64_BUILD) || defined(USE_INTEL_SPEEDUP) || \ |
| 36 | defined(WOLFSSL_AESNI) || defined(WOLFSSL_SP_X86_64_ASM)) && \ |
| 37 | !defined(WOLFSSL_NO_ASM) |
| 38 | |
| 39 | #define CPUID_AVX1 0x0001 |
| 40 | #define CPUID_AVX2 0x0002 |
| 41 | #define CPUID_RDRAND 0x0004 |
| 42 | #define CPUID_RDSEED 0x0008 |
| 43 | #define CPUID_BMI2 0x0010 /* MULX, RORX */ |
| 44 | #define CPUID_AESNI 0x0020 |
| 45 | #define CPUID_ADX 0x0040 /* ADCX, ADOX */ |
| 46 | #define CPUID_MOVBE 0x0080 /* Move and byte swap */ |
| 47 | |
| 48 | #define IS_INTEL_AVX1(f) ((f) & CPUID_AVX1) |
| 49 | #define IS_INTEL_AVX2(f) ((f) & CPUID_AVX2) |
| 50 | #define IS_INTEL_RDRAND(f) ((f) & CPUID_RDRAND) |
| 51 | #define IS_INTEL_RDSEED(f) ((f) & CPUID_RDSEED) |
| 52 | #define IS_INTEL_BMI2(f) ((f) & CPUID_BMI2) |
| 53 | #define IS_INTEL_AESNI(f) ((f) & CPUID_AESNI) |
| 54 | #define IS_INTEL_ADX(f) ((f) & CPUID_ADX) |
| 55 | #define IS_INTEL_MOVBE(f) ((f) & CPUID_MOVBE) |
| 56 | |
| 57 | void cpuid_set_flags(void); |
| 58 | word32 cpuid_get_flags(void); |
| 59 | |
| 60 | /* Public APIs to modify flags. */ |
| 61 | WOLFSSL_API void cpuid_select_flags(word32 flags); |
| 62 | WOLFSSL_API void cpuid_set_flag(word32 flag); |
| 63 | WOLFSSL_API void cpuid_clear_flag(word32 flag); |
| 64 | |
| 65 | #endif |
| 66 | |
| 67 | #ifdef __cplusplus |
| 68 | } /* extern "C" */ |
| 69 | #endif |
| 70 | |
| 71 | |
| 72 | #endif /* WOLF_CRYPT_CPUID_H */ |