1 files changed, 83 insertions, 0 deletions
diff --git a/src/crypto/isa-l/isa-l_crypto/include/endian_helper.h b/src/crypto/isa-l/isa-l_crypto/include/endian_helper.h
new file mode 100644
index 000000000..87d90460a
--- /dev/null
+++ b/src/crypto/isa-l/isa-l_crypto/include/endian_helper.h
@@ -0,0 +1,83 @@
+/**********************************************************************
+  Copyright(c) 2011-2016 Intel Corporation All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in
+      the documentation and/or other materials provided with the
+      distribution.
+    * Neither the name of Intel Corporation nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**********************************************************************/
+
+#ifndef _ENDIAN_HELPER_H_
+#define _ENDIAN_HELPER_H_
+
+/**
+ *  @file  endian_helper.h
+ *  @brief Byte order helper routines
+ *
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined (__ICC)
+# define byteswap32(x) _bswap(x)
+# define byteswap64(x) _bswap64(x)
+#elif defined (__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
+# define byteswap32(x) __builtin_bswap32(x)
+# define byteswap64(x) __builtin_bswap64(x)
+#else
+# define byteswap32(x) (  ((x) << 24) \
+                        | (((x) & 0xff00) << 8) \
+                        | (((x) & 0xff0000) >> 8) \
+                        | ((x)>>24))
+# define byteswap64(x) (  (((x) & (0xffull << 0)) << 56) \
+                        | (((x) & (0xffull << 8)) << 40) \
+                        | (((x) & (0xffull << 16)) << 24) \
+                        | (((x) & (0xffull << 24)) << 8) \
+                        | (((x) & (0xffull << 32)) >> 8) \
+                        | (((x) & (0xffull << 40)) >> 24) \
+                        | (((x) & (0xffull << 48)) >> 40) \
+                        | (((x) & (0xffull << 56)) >> 56))
+#endif
+
+// This check works when using GCC (or LLVM).  Assume little-endian
+// if any other compiler is being used.
+#if defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) \
+    && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+#define to_le32(x) byteswap32(x)
+#define to_le64(x) byteswap64(x)
+#define to_be32(x) (x)
+#define to_be64(x) (x)
+#else
+#define to_le32(x) (x)
+#define to_le64(x) (x)
+#define to_be32(x) byteswap32(x)
+#define to_be64(x) byteswap64(x)
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _ISA_HELPER_H_