1 files changed, 51 insertions, 0 deletions
diff --git a/lib/libc/mips/net/htonl.S b/lib/libc/mips/net/htonl.S
new file mode 100644
index 000000000000..66c4f90fd65f
--- /dev/null
+++ b/lib/libc/mips/net/htonl.S
@@ -0,0 +1,51 @@
+/*	$NetBSD: byte_swap_4.S,v 1.2 2006/02/08 21:52:36 simonb Exp $	*/
+
+/*-
+ * Copyright (c) 1997 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Neil A. Carson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+
+#include <machine/asm.h>
+
+__FBSDID("$FreeBSD$");
+
+LEAF(htonl)                            # a0 = 0x11223344, return 0x44332211
+#ifdef __MIPSEB__
+	move	v0, a0
+#else
+        srl     v1, a0, 24              # v1 = 0x00000011
+        sll     v0, a0, 24              # v0 = 0x44000000
+        or      v0, v0, v1
+        and     v1, a0, 0xff00
+        sll     v1, v1, 8               # v1 = 0x00330000
+        or      v0, v0, v1
+        srl     v1, a0, 8
+        and     v1, v1, 0xff00          # v1 = 0x00002200
+        or      v0, v0, v1
+#endif
+        j       ra
+END(htonl)