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authorHarvey Harrison <harvey.harrison@gmail.com>2009-01-13 22:31:29 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-14 22:56:49 -0500
commitaa0effbd1c0269ce7dd13be8dbf13e6b04f30ebd (patch)
treea58e482f511aa2c79a3ca9d3025ec9ffe55c405e /arch/cris
parent5bf431fa32c52e7027c4af85c7afc82326fa6d43 (diff)
cris: introduce asm/swab.h
Adjust the arch overrides to the new names as well. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/cris')
-rw-r--r--arch/cris/include/arch-v10/arch/swab.h (renamed from arch/cris/include/arch-v10/arch/byteorder.h)16
-rw-r--r--arch/cris/include/arch-v32/arch/byteorder.h20
-rw-r--r--arch/cris/include/arch-v32/arch/swab.h24
-rw-r--r--arch/cris/include/asm/Kbuild1
-rw-r--r--arch/cris/include/asm/byteorder.h20
-rw-r--r--arch/cris/include/asm/swab.h8
6 files changed, 44 insertions, 45 deletions
diff --git a/arch/cris/include/arch-v10/arch/byteorder.h b/arch/cris/include/arch-v10/arch/swab.h
index 255b646b7fa8..e4e847d8a05e 100644
--- a/arch/cris/include/arch-v10/arch/byteorder.h
+++ b/arch/cris/include/arch-v10/arch/swab.h
@@ -1,26 +1,30 @@
1#ifndef _CRIS_ARCH_BYTEORDER_H 1#ifndef _CRIS_ARCH_SWAB_H
2#define _CRIS_ARCH_BYTEORDER_H 2#define _CRIS_ARCH_SWAB_H
3 3
4#include <asm/types.h> 4#include <asm/types.h>
5#include <linux/compiler.h> 5#include <linux/compiler.h>
6 6
7#define __SWAB_64_THRU_32__
8
7/* we just define these two (as we can do the swap in a single 9/* we just define these two (as we can do the swap in a single
8 * asm instruction in CRIS) and the arch-independent files will put 10 * asm instruction in CRIS) and the arch-independent files will put
9 * them together into ntohl etc. 11 * them together into ntohl etc.
10 */ 12 */
11 13
12static inline __attribute_const__ __u32 ___arch__swab32(__u32 x) 14static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
13{ 15{
14 __asm__ ("swapwb %0" : "=r" (x) : "0" (x)); 16 __asm__ ("swapwb %0" : "=r" (x) : "0" (x));
15 17
16 return(x); 18 return(x);
17} 19}
20#define __arch_swab32 __arch_swab32
18 21
19static inline __attribute_const__ __u16 ___arch__swab16(__u16 x) 22static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
20{ 23{
21 __asm__ ("swapb %0" : "=r" (x) : "0" (x)); 24 __asm__ ("swapb %0" : "=r" (x) : "0" (x));
22 25
23 return(x); 26 return(x);
24} 27}
28#define __arch_swab16 __arch_swab16
25 29
26#endif 30#endif
diff --git a/arch/cris/include/arch-v32/arch/byteorder.h b/arch/cris/include/arch-v32/arch/byteorder.h
deleted file mode 100644
index 6ef8fb4a35f2..000000000000
--- a/arch/cris/include/arch-v32/arch/byteorder.h
+++ /dev/null
@@ -1,20 +0,0 @@
1#ifndef _ASM_CRIS_ARCH_BYTEORDER_H
2#define _ASM_CRIS_ARCH_BYTEORDER_H
3
4#include <asm/types.h>
5
6static inline __const__ __u32
7___arch__swab32(__u32 x)
8{
9 __asm__ __volatile__ ("swapwb %0" : "=r" (x) : "0" (x));
10 return (x);
11}
12
13static inline __const__ __u16
14___arch__swab16(__u16 x)
15{
16 __asm__ __volatile__ ("swapb %0" : "=r" (x) : "0" (x));
17 return (x);
18}
19
20#endif /* _ASM_CRIS_ARCH_BYTEORDER_H */
diff --git a/arch/cris/include/arch-v32/arch/swab.h b/arch/cris/include/arch-v32/arch/swab.h
new file mode 100644
index 000000000000..9a4ea5e209c2
--- /dev/null
+++ b/arch/cris/include/arch-v32/arch/swab.h
@@ -0,0 +1,24 @@
1#ifndef _ASM_CRIS_ARCH_SWAB_H
2#define _ASM_CRIS_ARCH_SWAB_H
3
4#include <asm/types.h>
5
6#define __SWAB_64_THRU_32__
7
8static inline __const__ __u32
9__arch_swab32(__u32 x)
10{
11 __asm__ __volatile__ ("swapwb %0" : "=r" (x) : "0" (x));
12 return (x);
13}
14#define __arch_swab32 __arch_swab32
15
16static inline __const__ __u16
17__arch_swab16(__u16 x)
18{
19 __asm__ __volatile__ ("swapb %0" : "=r" (x) : "0" (x));
20 return (x);
21}
22#define __arch_swab16 __arch_swab16
23
24#endif /* _ASM_CRIS_ARCH_SWAB_H */
diff --git a/arch/cris/include/asm/Kbuild b/arch/cris/include/asm/Kbuild
index d5b631935ec8..b79b7c6543a6 100644
--- a/arch/cris/include/asm/Kbuild
+++ b/arch/cris/include/asm/Kbuild
@@ -9,3 +9,4 @@ header-y += sync_serial.h
9 9
10unifdef-y += etraxgpio.h 10unifdef-y += etraxgpio.h
11unifdef-y += rs485.h 11unifdef-y += rs485.h
12unifdef-y += swab.h
diff --git a/arch/cris/include/asm/byteorder.h b/arch/cris/include/asm/byteorder.h
index cc8e418cfd14..7678d86317ae 100644
--- a/arch/cris/include/asm/byteorder.h
+++ b/arch/cris/include/asm/byteorder.h
@@ -1,25 +1,7 @@
1#ifndef _CRIS_BYTEORDER_H 1#ifndef _CRIS_BYTEORDER_H
2#define _CRIS_BYTEORDER_H 2#define _CRIS_BYTEORDER_H
3 3
4#ifdef __GNUC__ 4#include <asm/swab.h>
5
6#ifdef __KERNEL__
7#include <arch/byteorder.h>
8
9/* defines are necessary because the other files detect the presence
10 * of a defined __arch_swab32, not an inline
11 */
12#define __arch__swab32(x) ___arch__swab32(x)
13#define __arch__swab16(x) ___arch__swab16(x)
14#endif /* __KERNEL__ */
15
16#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
17# define __BYTEORDER_HAS_U64__
18# define __SWAB_64_THRU_32__
19#endif
20
21#endif /* __GNUC__ */
22
23#include <linux/byteorder/little_endian.h> 5#include <linux/byteorder/little_endian.h>
24 6
25#endif 7#endif
diff --git a/arch/cris/include/asm/swab.h b/arch/cris/include/asm/swab.h
new file mode 100644
index 000000000000..80668e88419c
--- /dev/null
+++ b/arch/cris/include/asm/swab.h
@@ -0,0 +1,8 @@
1#ifndef _CRIS_SWAB_H
2#define _CRIS_SWAB_H
3
4#ifdef __KERNEL__
5#include <arch/swab.h>
6#endif /* __KERNEL__ */
7
8#endif /* _CRIS_SWAB_H */