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authorMiod Vallat <miod@cvs.openbsd.org>2006-10-06 21:02:56 +0000
committerMiod Vallat <miod@cvs.openbsd.org>2006-10-06 21:02:56 +0000
commitf2984aabfd358ae2731013df5d571a596cb9a5eb (patch)
tree0b36a098a4b5fcb0d202c68c5a85123e7d95f419 /sys/arch/sh/include/endian.h
parentb50063e7723d8a96f3eaeb641e59f7f161dcd917 (diff)
Preliminary bits for SuperH-based ports, based on NetBSD/sh3 codebase with
minor changes.
Diffstat (limited to 'sys/arch/sh/include/endian.h')
-rw-r--r--sys/arch/sh/include/endian.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/sys/arch/sh/include/endian.h b/sys/arch/sh/include/endian.h
new file mode 100644
index 00000000000..9615f567cd1
--- /dev/null
+++ b/sys/arch/sh/include/endian.h
@@ -0,0 +1,43 @@
+/* $OpenBSD: endian.h,v 1.1 2006/10/06 21:02:55 miod Exp $ */
+/* $NetBSD: endian.h,v 1.4 2000/03/17 00:09:25 mycroft Exp $ */
+
+/* Written by Manuel Bouyer. Public domain */
+
+#ifndef _SH_ENDIAN_H_
+#define _SH_ENDIAN_H_
+
+#ifdef __GNUC__
+
+#define __swap64md __swap64gen
+
+#define __swap16md(x) ({ \
+ uint16_t rval; \
+ \
+ __asm volatile ("swap.b %1,%0" : "=r"(rval) : "r"(x)); \
+ \
+ rval; \
+})
+
+#define __swap32md(x) ({ \
+ uint32_t rval; \
+ \
+ __asm volatile ("swap.b %1,%0; swap.w %0,%0; swap.b %0,%0" \
+ : "=r"(rval) : "r"(x)); \
+ \
+ rval; \
+})
+
+#define MD_SWAP
+
+#endif /* __GNUC_ */
+
+#ifdef __LITTLE_ENDIAN__
+#define _BYTE_ORDER _LITTLE_ENDIAN
+#else
+#define _BYTE_ORDER _BIG_ENDIAN
+#endif
+#include <sys/endian.h>
+
+#define __STRICT_ALIGNMENT
+
+#endif /* !_SH_ENDIAN_H_ */