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| author | auth12 <[email protected]> | 2020-07-22 08:40:38 -0700 |
|---|---|---|
| committer | auth12 <[email protected]> | 2020-07-22 08:40:38 -0700 |
| commit | 4ff89e85e74884e8f04edb5c31a94b4323e895e9 (patch) | |
| tree | 65f98ebf9af0d0947e44bf397b1fac0f107d7a2f /client/wolfssl/wolfcrypt/src/cpuid.c | |
| parent | Client injection. (diff) | |
| download | loader-4ff89e85e74884e8f04edb5c31a94b4323e895e9.tar.xz loader-4ff89e85e74884e8f04edb5c31a94b4323e895e9.zip | |
Removed wolfssl
Diffstat (limited to 'client/wolfssl/wolfcrypt/src/cpuid.c')
| -rw-r--r-- | client/wolfssl/wolfcrypt/src/cpuid.c | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/client/wolfssl/wolfcrypt/src/cpuid.c b/client/wolfssl/wolfcrypt/src/cpuid.c deleted file mode 100644 index 85c4bf2..0000000 --- a/client/wolfssl/wolfcrypt/src/cpuid.c +++ /dev/null @@ -1,110 +0,0 @@ -/* cpuid.c - * - * Copyright (C) 2006-2020 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 - */ - - -#ifdef HAVE_CONFIG_H - #include <config.h> -#endif - -#include <wolfssl/wolfcrypt/settings.h> - -#include <wolfssl/wolfcrypt/cpuid.h> - -#if (defined(WOLFSSL_X86_64_BUILD) || defined(USE_INTEL_SPEEDUP) || \ - defined(WOLFSSL_AESNI)) && !defined(WOLFSSL_NO_ASM) - /* Each platform needs to query info type 1 from cpuid to see if aesni is - * supported. Also, let's setup a macro for proper linkage w/o ABI conflicts - */ - - #ifndef _MSC_VER - #define cpuid(reg, leaf, sub)\ - __asm__ __volatile__ ("cpuid":\ - "=a" (reg[0]), "=b" (reg[1]), "=c" (reg[2]), "=d" (reg[3]) :\ - "a" (leaf), "c"(sub)); - - #define XASM_LINK(f) asm(f) - #else - #include <intrin.h> - - #define cpuid(a,b,c) __cpuidex((int*)a,b,c) - - #define XASM_LINK(f) - #endif /* _MSC_VER */ - - #define EAX 0 - #define EBX 1 - #define ECX 2 - #define EDX 3 - - static word32 cpuid_check = 0; - static word32 cpuid_flags = 0; - - static word32 cpuid_flag(word32 leaf, word32 sub, word32 num, word32 bit) - { - int got_intel_cpu = 0; - int got_amd_cpu = 0; - unsigned int reg[5]; - reg[4] = '\0'; - cpuid(reg, 0, 0); - - /* check for Intel cpu */ - if (XMEMCMP((char *)&(reg[EBX]), "Genu", 4) == 0 && - XMEMCMP((char *)&(reg[EDX]), "ineI", 4) == 0 && - XMEMCMP((char *)&(reg[ECX]), "ntel", 4) == 0) { - got_intel_cpu = 1; - } - - /* check for AMD cpu */ - if (XMEMCMP((char *)&(reg[EBX]), "Auth", 4) == 0 && - XMEMCMP((char *)&(reg[EDX]), "enti", 4) == 0 && - XMEMCMP((char *)&(reg[ECX]), "cAMD", 4) == 0) { - got_amd_cpu = 1; - } - - if (got_intel_cpu || got_amd_cpu) { - cpuid(reg, leaf, sub); - return ((reg[num] >> bit) & 0x1); - } - return 0; - } - - - void cpuid_set_flags(void) - { - if (!cpuid_check) { - if (cpuid_flag(1, 0, ECX, 28)) { cpuid_flags |= CPUID_AVX1 ; } - if (cpuid_flag(7, 0, EBX, 5)) { cpuid_flags |= CPUID_AVX2 ; } - if (cpuid_flag(7, 0, EBX, 8)) { cpuid_flags |= CPUID_BMI2 ; } - if (cpuid_flag(1, 0, ECX, 30)) { cpuid_flags |= CPUID_RDRAND; } - if (cpuid_flag(7, 0, EBX, 18)) { cpuid_flags |= CPUID_RDSEED; } - if (cpuid_flag(1, 0, ECX, 25)) { cpuid_flags |= CPUID_AESNI ; } - if (cpuid_flag(7, 0, EBX, 19)) { cpuid_flags |= CPUID_ADX ; } - cpuid_check = 1; - } - } - - word32 cpuid_get_flags(void) - { - if (!cpuid_check) - cpuid_set_flags(); - return cpuid_flags; - } -#endif |