]> err.no Git - linux-2.6/commitdiff
m68knommu: add byteswap assembly opcode for ISA A+
authorSebastian Siewior <bigeasy@linutronix.de>
Sat, 17 May 2008 19:51:15 +0000 (21:51 +0200)
committerGreg Ungerer <gerg@uclinux.org>
Wed, 23 Jul 2008 05:11:28 +0000 (15:11 +1000)
Signed-off-by: Sebastian Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
include/asm-m68knommu/byteorder.h

index 8fcde907b0f95d4d4c0431529a3a3f22d9c5a82a..20bb4426b610e7665b08c6a6f34b005fea665d18 100644 (file)
@@ -1,13 +1,27 @@
 #ifndef _M68KNOMMU_BYTEORDER_H
 #define _M68KNOMMU_BYTEORDER_H
 
-#include <asm/types.h>
+#include <linux/types.h>
 
 #if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
 #  define __BYTEORDER_HAS_U64__
 #  define __SWAB_64_THRU_32__
 #endif
 
+#if defined (__mcfisaaplus__) || defined (__mcfisac__)
+static inline __attribute_const__ __u32 ___arch__swab32(__u32 val)
+{
+       asm(
+                       "byterev %0"
+                       : "=d" (val)
+                       : "0" (val)
+          );
+       return val;
+}
+
+#define __arch__swab32(x) ___arch__swab32(x)
+#endif
+
 #include <linux/byteorder/big_endian.h>
 
 #endif /* _M68KNOMMU_BYTEORDER_H */