Bring in initial libc support for mips. These files were taken from

the OpenBSD tree and should be considered preliminary.  They are here
to facilitate building of the tree.

3 files changed, 138 insertions, 0 deletions

diff --git a/lib/libc/mips/net/Makefile.inc b/lib/libc/mips/net/Makefile.inc
new file mode 100644
index 0000000..1518429
--- /dev/null
+++ b/lib/libc/mips/net/Makefile.inc
@@ -0,0 +1,4 @@
+#	$OpenBSD: Makefile.inc,v 1.1 1995/02/25 14:59:01 cgd Exp $
+
+SRCS+=  htonl.S htons.S
+LSRCS+=	htonl.c htons.c
diff --git a/lib/libc/mips/net/htonl.S b/lib/libc/mips/net/htonl.S
new file mode 100644
index 0000000..3ec9a96
--- /dev/null
+++ b/lib/libc/mips/net/htonl.S
@@ -0,0 +1,69 @@
+/*-
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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>
+
+#if defined(LIBC_SCCS) 
+	.text
+	.asciz "$OpenBSD$"
+#endif /* LIBC_SCCS */
+
+/*
+ * netorder = htonl(hostorder)
+ * hostorder = ntohl(netorder)
+ */
+ALEAF(ntohl)
+NLEAF(htonl)				# a0 = 0x11223344, return 0x44332211
+	.set	reorder
+#ifdef MIPSEL
+	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
+#else
+#ifdef MIPSEB
+	move	v0, a0
+#else
+	ERROR
+#endif
+#endif
+	j	ra
+END(htonl)
diff --git a/lib/libc/mips/net/htons.S b/lib/libc/mips/net/htons.S
new file mode 100644
index 0000000..be056d2
--- /dev/null
+++ b/lib/libc/mips/net/htons.S
@@ -0,0 +1,65 @@
+/*-
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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>
+
+#if defined(LIBC_SCCS) 
+	.text
+	.asciz "$OpenBSD$"
+#endif /* LIBC_SCCS */
+
+/*
+ * netorder = htons(hostorder)
+ * hostorder = ntohs(netorder)
+ */
+ALEAF(ntohs)
+NLEAF(htons)
+	.set	reorder
+#ifdef MIPSEL
+	srl	v0, a0, 8
+	and	v0, v0, 0xff
+	sll	v1, a0, 8
+	and	v1, v1, 0xff00
+	or	v0, v0, v1
+#else
+#ifdef MIPSEB
+	move	v0, a0
+#else
+	ERROR
+#endif
+#endif
+	j	ra
+END(htons)