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authorGreg Ungerer <gerg@uclinux.org>2009-03-16 03:54:49 -0400
committerGreg Ungerer <gerg@uclinux.org>2009-03-16 03:54:49 -0400
commit9863a0babc2f0d920dfb4ddecf4e5b5342cb986b (patch)
tree59f9efa0e9c118ce659e5bda70aac50fa6c5d7ac /arch
parentf9847004bf94ba5457738cb5e0f868821864ff50 (diff)
m68k: merge the non-MMU and MMU versions of swab.h
It is trivial to merge the non-MMU and MMU versions of swab.h. Without a single file "make headers_install" is broken for m68k (since each of the sub-varients of swab.h are not installed). Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/m68k/include/asm/swab.h30
-rw-r--r--arch/m68k/include/asm/swab_mm.h16
-rw-r--r--arch/m68k/include/asm/swab_no.h24
3 files changed, 26 insertions, 44 deletions
diff --git a/arch/m68k/include/asm/swab.h b/arch/m68k/include/asm/swab.h
index 7d7dde1c73ec..9e3054ea59e9 100644
--- a/arch/m68k/include/asm/swab.h
+++ b/arch/m68k/include/asm/swab.h
@@ -1,5 +1,27 @@
1#ifdef __uClinux__ 1#ifndef _M68K_SWAB_H
2#include "swab_no.h" 2#define _M68K_SWAB_H
3#else 3
4#include "swab_mm.h" 4#include <asm/types.h>
5#include <linux/compiler.h>
6
7#define __SWAB_64_THRU_32__
8
9#if defined (__mcfisaaplus__) || defined (__mcfisac__)
10static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
11{
12 __asm__("byterev %0" : "=d" (val) : "0" (val));
13 return val;
14}
15
16#define __arch_swab32 __arch_swab32
17#elif !defined(__uClinux__)
18
19static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
20{
21 __asm__("rolw #8,%0; swap %0; rolw #8,%0" : "=d" (val) : "0" (val));
22 return val;
23}
24#define __arch_swab32 __arch_swab32
5#endif 25#endif
26
27#endif /* _M68K_SWAB_H */
diff --git a/arch/m68k/include/asm/swab_mm.h b/arch/m68k/include/asm/swab_mm.h
deleted file mode 100644
index 7221e3066825..000000000000
--- a/arch/m68k/include/asm/swab_mm.h
+++ /dev/null
@@ -1,16 +0,0 @@
1#ifndef _M68K_SWAB_H
2#define _M68K_SWAB_H
3
4#include <asm/types.h>
5#include <linux/compiler.h>
6
7#define __SWAB_64_THRU_32__
8
9static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
10{
11 __asm__("rolw #8,%0; swap %0; rolw #8,%0" : "=d" (val) : "0" (val));
12 return val;
13}
14#define __arch_swab32 __arch_swab32
15
16#endif /* _M68K_SWAB_H */
diff --git a/arch/m68k/include/asm/swab_no.h b/arch/m68k/include/asm/swab_no.h
deleted file mode 100644
index e582257db300..000000000000
--- a/arch/m68k/include/asm/swab_no.h
+++ /dev/null
@@ -1,24 +0,0 @@
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 */