PowerPC platform-specific definitions.

Obtained from:	NetBSD (parts)

1 files changed, 97 insertions, 0 deletions

diff --git a/sys/powerpc/include/endian.h b/sys/powerpc/include/endian.h
new file mode 100644
index 0000000..97c1bcb
--- /dev/null
+++ b/sys/powerpc/include/endian.h
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 1987, 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * 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.
+ *
+ *	@(#)endian.h	8.1 (Berkeley) 6/10/93
+ * $NetBSD: endian.h,v 1.7 1999/08/21 05:53:51 simonb Exp $
+ * $FreeBSD$
+ */
+
+#ifndef _ENDIAN_H_
+#define	_ENDIAN_H_
+
+/*
+ * Define the order of 32-bit words in 64-bit words.
+ */
+#define	_QUAD_HIGHWORD 0
+#define	_QUAD_LOWWORD 1
+
+#ifndef _POSIX_SOURCE
+/*
+ * Definitions for byte order, according to byte significance from low
+ * address to high.
+ */
+#define	LITTLE_ENDIAN	1234	/* LSB first: i386, vax */
+#define	BIG_ENDIAN	4321	/* MSB first: 68000, ibm, net */
+#define	PDP_ENDIAN	3412	/* LSB first in word, MSW first in long */
+
+#define	BYTE_ORDER	BIG_ENDIAN
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+typedef u_int32_t in_addr_t;
+typedef u_int16_t in_port_t;
+
+__BEGIN_DECLS
+in_addr_t	htonl __P((in_addr_t)) __attribute__((__const__));
+in_port_t	htons __P((in_port_t)) __attribute__((__const__));
+in_addr_t	ntohl __P((in_addr_t)) __attribute__((__const__));
+in_port_t	ntohs __P((in_port_t)) __attribute__((__const__));
+u_int16_t	bswap16 __P((u_int16_t)) __attribute__((__const__));
+u_int32_t	bswap32 __P((u_int32_t)) __attribute__((__const__));
+u_int64_t	bswap64 __P((u_int64_t)) __attribute__((__const__));
+__END_DECLS
+
+/*
+ * Macros for network/external number representation conversion.
+ */
+#if BYTE_ORDER == BIG_ENDIAN && !defined(lint)
+#define	ntohl(x)	(x)
+#define	ntohs(x)	(x)
+#define	htonl(x)	(x)
+#define	htons(x)	(x)
+
+#define	NTOHL(x)	(x)
+#define	NTOHS(x)	(x)
+#define	HTONL(x)	(x)
+#define	HTONS(x)	(x)
+
+#else
+
+#define	NTOHL(x)	(x) = ntohl((in_addr_t)(x))
+#define	NTOHS(x)	(x) = ntohs((in_port_t)(x))
+#define	HTONL(x)	(x) = htonl((in_addr_t)(x))
+#define	HTONS(x)	(x) = htons((in_port_t)(x))
+#endif
+
+#endif /* !_POSIX_SOURCE */
+#endif /* !_ENDIAN_H_ */