summaryrefslogtreecommitdiffstats
path: root/src/dpdk_lib18/librte_eal/common/include/arch/x86/rte_byteorder_64.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/dpdk_lib18/librte_eal/common/include/arch/x86/rte_byteorder_64.h')
-rwxr-xr-xsrc/dpdk_lib18/librte_eal/common/include/arch/x86/rte_byteorder_64.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/dpdk_lib18/librte_eal/common/include/arch/x86/rte_byteorder_64.h b/src/dpdk_lib18/librte_eal/common/include/arch/x86/rte_byteorder_64.h
new file mode 100755
index 00000000..dda572bd
--- /dev/null
+++ b/src/dpdk_lib18/librte_eal/common/include/arch/x86/rte_byteorder_64.h
@@ -0,0 +1,52 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ * 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 _RTE_BYTEORDER_X86_64_H_
+#define _RTE_BYTEORDER_X86_64_H_
+
+/*
+ * An architecture-optimized byte swap for a 64-bit value.
+ *
+ * Do not use this function directly. The preferred function is rte_bswap64().
+ */
+/* 64-bit mode */
+static inline uint64_t rte_arch_bswap64(uint64_t _x)
+{
+ register uint64_t x = _x;
+ asm volatile ("bswap %[x]"
+ : [x] "+r" (x)
+ );
+ return x;
+}
+
+#endif /* _RTE_BYTEORDER_X86_64_H_ */