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authorHarvey Harrison <harvey.harrison@gmail.com>2009-01-06 17:56:32 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-06 21:10:28 -0500
commit231cc432f4d684b8c75d9a8e0654c51b9d6ed341 (patch)
treeeeb894f901a7570dc0f56a9b894f0745ad55c9af /arch/m68knommu
parentfc61708b3afe1bdd05c14b65c0ae2f4ad2a3928a (diff)
m68knommu: introduce asm/swab.h
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/m68knommu')
-rw-r--r--arch/m68knommu/include/asm/Kbuild2
-rw-r--r--arch/m68knommu/include/asm/byteorder.h22
-rw-r--r--arch/m68knommu/include/asm/swab.h24
3 files changed, 27 insertions, 21 deletions
diff --git a/arch/m68knommu/include/asm/Kbuild b/arch/m68knommu/include/asm/Kbuild
index c68e1680da01..58c02a454130 100644
--- a/arch/m68knommu/include/asm/Kbuild
+++ b/arch/m68knommu/include/asm/Kbuild
@@ -1 +1,3 @@
1include include/asm-generic/Kbuild.asm 1include include/asm-generic/Kbuild.asm
2
3unifdef-y += swab.h
diff --git a/arch/m68knommu/include/asm/byteorder.h b/arch/m68knommu/include/asm/byteorder.h
index 20bb4426b610..a6f0b8f7f622 100644
--- a/arch/m68knommu/include/asm/byteorder.h
+++ b/arch/m68knommu/include/asm/byteorder.h
@@ -1,27 +1,7 @@
1#ifndef _M68KNOMMU_BYTEORDER_H 1#ifndef _M68KNOMMU_BYTEORDER_H
2#define _M68KNOMMU_BYTEORDER_H 2#define _M68KNOMMU_BYTEORDER_H
3 3
4#include <linux/types.h> 4#include <asm/swab.h>
5
6#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
7# define __BYTEORDER_HAS_U64__
8# define __SWAB_64_THRU_32__
9#endif
10
11#if defined (__mcfisaaplus__) || defined (__mcfisac__)
12static inline __attribute_const__ __u32 ___arch__swab32(__u32 val)
13{
14 asm(
15 "byterev %0"
16 : "=d" (val)
17 : "0" (val)
18 );
19 return val;
20}
21
22#define __arch__swab32(x) ___arch__swab32(x)
23#endif
24
25#include <linux/byteorder/big_endian.h> 5#include <linux/byteorder/big_endian.h>
26 6
27#endif /* _M68KNOMMU_BYTEORDER_H */ 7#endif /* _M68KNOMMU_BYTEORDER_H */
diff --git a/arch/m68knommu/include/asm/swab.h b/arch/m68knommu/include/asm/swab.h
new file mode 100644
index 000000000000..e582257db300
--- /dev/null
+++ b/arch/m68knommu/include/asm/swab.h
@@ -0,0 +1,24 @@
1#ifndef _M68KNOMMU_SWAB_H
2#define _M68KNOMMU_SWAB_H
3
4#include <linux/types.h>
5
6#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
7# define __SWAB_64_THRU_32__
8#endif
9
10#if defined (__mcfisaaplus__) || defined (__mcfisac__)
11static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
12{
13 asm(
14 "byterev %0"
15 : "=d" (val)
16 : "0" (val)
17 );
18 return val;
19}
20
21#define __arch_swab32 __arch_swab32
22#endif
23
24#endif /* _M68KNOMMU_SWAB_H */