Diff: wolfssl/wolfcrypt/cpuid.h

Revision:

12:1a06964c2adb

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wolfssl/wolfcrypt/cpuid.h	Tue Aug 22 10:47:28 2017 +0000
@@ -0,0 +1,61 @@
+/* cpuid.h
+ *
+ * Copyright (C) 2006-2016 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 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)
+
+    void cpuid_set_flags(void);
+    word32 cpuid_get_flags(void);
+#endif
+
+#ifdef __cplusplus
+    }   /* extern "C" */
+#endif
+
+
+#endif /* WOLF_CRYPT_CPUID_H */
+