From: Harvey Harrison <harvey.harrison@gmail.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul Mundt <lethal@linux-sh.org>,
Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH 08/23] sh: introduce asm/swab.h
Date: Tue, 06 Jan 2009 13:30:49 -0800 [thread overview]
Message-ID: <1231277449.964.265.camel@brick> (raw)
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
---
arch/sh/include/asm/Kbuild | 1 +
arch/sh/include/asm/byteorder.h | 62 ++-------------------------------------
arch/sh/include/asm/swab.h | 60 +++++++++++++++++++++++++++++++++++++
3 files changed, 64 insertions(+), 59 deletions(-)
diff --git a/arch/sh/include/asm/Kbuild b/arch/sh/include/asm/Kbuild
index 43910cd..f1a2a0d 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 f5fa065..e95c41a 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 0000000..e693159
--- /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 */
--
1.6.1.94.g9388
reply other threads:[~2009-01-06 21:34 UTC|newest]
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