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Message-Id: <1231277446.964.261.camel@brick>
Date: Tue, 06 Jan 2009 13:30:46 -0800
From: Harvey Harrison <harvey.harrison@...il.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
LKML <linux-kernel@...r.kernel.org>,
"ralf@...ux-mips.org" <ralf@...ux-mips.org>
Subject: [PATCH 04/23] mips: introduce asm/swab.h
Signed-off-by: Harvey Harrison <harvey.harrison@...il.com>
---
arch/mips/include/asm/Kbuild | 1 +
arch/mips/include/asm/byteorder.h | 52 ++---------------------------------
arch/mips/include/asm/swab.h | 55 +++++++++++++++++++++++++++++++++++++
3 files changed, 59 insertions(+), 49 deletions(-)
diff --git a/arch/mips/include/asm/Kbuild b/arch/mips/include/asm/Kbuild
index 7897f05..023866c 100644
--- a/arch/mips/include/asm/Kbuild
+++ b/arch/mips/include/asm/Kbuild
@@ -1,3 +1,4 @@
include include/asm-generic/Kbuild.asm
header-y += cachectl.h sgidefs.h sysmips.h
+header-y += swab.h
diff --git a/arch/mips/include/asm/byteorder.h b/arch/mips/include/asm/byteorder.h
index 33790b9..607b718 100644
--- a/arch/mips/include/asm/byteorder.h
+++ b/arch/mips/include/asm/byteorder.h
@@ -8,60 +8,14 @@
#ifndef _ASM_BYTEORDER_H
#define _ASM_BYTEORDER_H
-#include <linux/compiler.h>
-#include <asm/types.h>
+#include <asm/swab.h>
#if defined(__MIPSEB__)
-# define __BIG_ENDIAN
+#include <linux/byteorder/big_endian.h>
#elif defined(__MIPSEL__)
-# define __LITTLE_ENDIAN
+#include <linux/byteorder/little_endian.h>
#else
# error "MIPS, but neither __MIPSEB__, nor __MIPSEL__???"
#endif
-#define __SWAB_64_THRU_32__
-
-#ifdef CONFIG_CPU_MIPSR2
-
-static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
-{
- __asm__(
- " wsbh %0, %1 \n"
- : "=r" (x)
- : "r" (x));
-
- return x;
-}
-#define __arch_swab16 __arch_swab16
-
-static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
-{
- __asm__(
- " wsbh %0, %1 \n"
- " rotr %0, %0, 16 \n"
- : "=r" (x)
- : "r" (x));
-
- return x;
-}
-#define __arch_swab32 __arch_swab32
-
-#ifdef CONFIG_CPU_MIPS64_R2
-static inline __attribute_const__ __u64 __arch_swab64(__u64 x)
-{
- __asm__(
- " dsbh %0, %1\n"
- " dshd %0, %0"
- : "=r" (x)
- : "r" (x));
-
- return x;
-}
-#define __arch_swab64 __arch_swab64
-#endif /* CONFIG_CPU_MIPS64_R2 */
-
-#endif /* CONFIG_CPU_MIPSR2 */
-
-#include <linux/byteorder.h>
-
#endif /* _ASM_BYTEORDER_H */
diff --git a/arch/mips/include/asm/swab.h b/arch/mips/include/asm/swab.h
new file mode 100644
index 0000000..88f1f7d
--- /dev/null
+++ b/arch/mips/include/asm/swab.h
@@ -0,0 +1,55 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1996, 99, 2003 by Ralf Baechle
+ */
+#ifndef _ASM_SWAB_H
+#define _ASM_SWAB_H
+
+#include <linux/compiler.h>
+#include <asm/types.h>
+
+#define __SWAB_64_THRU_32__
+
+#ifdef CONFIG_CPU_MIPSR2
+
+static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
+{
+ __asm__(
+ " wsbh %0, %1 \n"
+ : "=r" (x)
+ : "r" (x));
+
+ return x;
+}
+#define __arch_swab16 __arch_swab16
+
+static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
+{
+ __asm__(
+ " wsbh %0, %1 \n"
+ " rotr %0, %0, 16 \n"
+ : "=r" (x)
+ : "r" (x));
+
+ return x;
+}
+#define __arch_swab32 __arch_swab32
+
+#ifdef CONFIG_CPU_MIPS64_R2
+static inline __attribute_const__ __u64 __arch_swab64(__u64 x)
+{
+ __asm__(
+ " dsbh %0, %1\n"
+ " dshd %0, %0"
+ : "=r" (x)
+ : "r" (x));
+
+ return x;
+}
+#define __arch_swab64 __arch_swab64
+#endif /* CONFIG_CPU_MIPS64_R2 */
+#endif /* CONFIG_CPU_MIPSR2 */
+#endif /* _ASM_SWAB_H */
--
1.6.1.94.g9388
--
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