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authorobrien <obrien@FreeBSD.org>2001-01-01 23:19:22 +0000
committerobrien <obrien@FreeBSD.org>2001-01-01 23:19:22 +0000
commitc00705d7920557a18c077d57c2dc2bc36a569a5e (patch)
tree5321308e1e23ae568764b2ea32193b808a1928a7 /sys/powerpc
parent87a2343bbe1829c59e6cec8f26cb4e5a5deefea9 (diff)
downloadFreeBSD-src-c00705d7920557a18c077d57c2dc2bc36a569a5e.zip
FreeBSD-src-c00705d7920557a18c077d57c2dc2bc36a569a5e.tar.gz
PowerPC platform-specific definitions.
Obtained from: NetBSD (parts)
Diffstat (limited to 'sys/powerpc')
-rw-r--r--sys/powerpc/include/endian.h97
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_ */
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