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authorHarvey Harrison <harvey.harrison@gmail.com>2009-01-07 01:56:25 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-07 05:10:27 +0300
commit1af84a625356768ab1f9687b70c825250123d7fd (patch)
tree9bf824eab0ccaed29b217964d4ec5d0bc715fcc8 /arch
parent13f7877bb5aeb1d5ad01ffbf17a80fb550fa6642 (diff)
downloadlinux-1af84a625356768ab1f9687b70c825250123d7fd.tar.xz
sh: 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')
-rw-r--r--arch/sh/include/asm/Kbuild1
-rw-r--r--arch/sh/include/asm/byteorder.h62
-rw-r--r--arch/sh/include/asm/swab.h60
3 files changed, 64 insertions, 59 deletions
diff --git a/arch/sh/include/asm/Kbuild b/arch/sh/include/asm/Kbuild
index 43910cdf78a5..f1a2a0d1c79c 100644
--- a/arch/sh/include/asm/Kbuild
+++ b/arch/sh/include/asm/Kbuild
@@ -6,3 +6,4 @@ unifdef-y += unistd_32.h
unifdef-y += unistd_64.h
unifdef-y += posix_types_32.h
unifdef-y += posix_types_64.h
+unifdef-y += swab.h
diff --git a/arch/sh/include/asm/byteorder.h b/arch/sh/include/asm/byteorder.h
index f5fa0653ebc6..e95c41a5c8cc 100644
--- a/arch/sh/include/asm/byteorder.h
+++ b/arch/sh/include/asm/byteorder.h
@@ -1,68 +1,12 @@
#ifndef __ASM_SH_BYTEORDER_H
#define __ASM_SH_BYTEORDER_H
-/*
- * Copyright (C) 1999 Niibe Yutaka
- * Copyright (C) 2000, 2001 Paolo Alberelli
- */
-#include <linux/compiler.h>
-#include <linux/types.h>
+#include <asm/swab.h>
#ifdef __LITTLE_ENDIAN__
-# define __LITTLE_ENDIAN
+#include <linux/byteorder/little_endian.h>
#else
-# define __BIG_ENDIAN
+#include <linux/byteorder/big_endian.h>
#endif
-#define __SWAB_64_THRU_32__
-
-static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
-{
- __asm__(
-#ifdef __SH5__
- "byterev %0, %0\n\t"
- "shari %0, 32, %0"
-#else
- "swap.b %0, %0\n\t"
- "swap.w %0, %0\n\t"
- "swap.b %0, %0"
-#endif
- : "=r" (x)
- : "0" (x));
-
- return x;
-}
-#define __arch_swab32 __arch_swab32
-
-static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
-{
- __asm__(
-#ifdef __SH5__
- "byterev %0, %0\n\t"
- "shari %0, 32, %0"
-#else
- "swap.b %0, %0"
-#endif
- : "=r" (x)
- : "0" (x));
-
- return x;
-}
-#define __arch_swab16 __arch_swab16
-
-static inline __u64 __arch_swab64(__u64 val)
-{
- union {
- struct { __u32 a,b; } s;
- __u64 u;
- } v, w;
- v.u = val;
- w.s.b = __arch_swab32(v.s.a);
- w.s.a = __arch_swab32(v.s.b);
- return w.u;
-}
-#define __arch_swab64 __arch_swab64
-
-#include <linux/byteorder.h>
-
#endif /* __ASM_SH_BYTEORDER_H */
diff --git a/arch/sh/include/asm/swab.h b/arch/sh/include/asm/swab.h
new file mode 100644
index 000000000000..e69315935107
--- /dev/null
+++ b/arch/sh/include/asm/swab.h
@@ -0,0 +1,60 @@
+#ifndef __ASM_SH_SWAB_H
+#define __ASM_SH_SWAB_H
+
+/*
+ * Copyright (C) 1999 Niibe Yutaka
+ * Copyright (C) 2000, 2001 Paolo Alberelli
+ */
+#include <linux/compiler.h>
+#include <linux/types.h>
+
+#define __SWAB_64_THRU_32__
+
+static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
+{
+ __asm__(
+#ifdef __SH5__
+ "byterev %0, %0\n\t"
+ "shari %0, 32, %0"
+#else
+ "swap.b %0, %0\n\t"
+ "swap.w %0, %0\n\t"
+ "swap.b %0, %0"
+#endif
+ : "=r" (x)
+ : "0" (x));
+
+ return x;
+}
+#define __arch_swab32 __arch_swab32
+
+static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
+{
+ __asm__(
+#ifdef __SH5__
+ "byterev %0, %0\n\t"
+ "shari %0, 32, %0"
+#else
+ "swap.b %0, %0"
+#endif
+ : "=r" (x)
+ : "0" (x));
+
+ return x;
+}
+#define __arch_swab16 __arch_swab16
+
+static inline __u64 __arch_swab64(__u64 val)
+{
+ union {
+ struct { __u32 a,b; } s;
+ __u64 u;
+ } v, w;
+ v.u = val;
+ w.s.b = __arch_swab32(v.s.a);
+ w.s.a = __arch_swab32(v.s.b);
+ return w.u;
+}
+#define __arch_swab64 __arch_swab64
+
+#endif /* __ASM_SH_SWAB_H */