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authorHarvey Harrison <harvey.harrison@gmail.com>2009-01-06 14:56:23 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-06 18:10:27 -0800
commit156ca2bbf6503a02d7d6829886ce381d572de66e (patch)
treed0d3b4aa44b8d819fdd9c02be22b71e651a022c8 /arch/powerpc
parent8cdd3a9261e8efe36aeb6c708edb76d7e2b5d13f (diff)
powerpc: 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/powerpc')
-rw-r--r--arch/powerpc/include/asm/Kbuild1
-rw-r--r--arch/powerpc/include/asm/byteorder.h83
-rw-r--r--arch/powerpc/include/asm/swab.h90
3 files changed, 93 insertions, 81 deletions
diff --git a/arch/powerpc/include/asm/Kbuild b/arch/powerpc/include/asm/Kbuild
index 5ab7d7fe198..9268602de5d 100644
--- a/arch/powerpc/include/asm/Kbuild
+++ b/arch/powerpc/include/asm/Kbuild
@@ -35,3 +35,4 @@ unifdef-y += spu_info.h
unifdef-y += termios.h
unifdef-y += types.h
unifdef-y += unistd.h
+unifdef-y += swab.h
diff --git a/arch/powerpc/include/asm/byteorder.h b/arch/powerpc/include/asm/byteorder.h
index d5de325472e..5cca27a4153 100644
--- a/arch/powerpc/include/asm/byteorder.h
+++ b/arch/powerpc/include/asm/byteorder.h
@@ -8,86 +8,7 @@
* 2 of the License, or (at your option) any later version.
*/
-#include <asm/types.h>
-#include <linux/compiler.h>
-
-#define __BIG_ENDIAN
-
-#ifdef __GNUC__
-#ifdef __KERNEL__
-
-static __inline__ __u16 ld_le16(const volatile __u16 *addr)
-{
- __u16 val;
-
- __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr));
- return val;
-}
-#define __arch_swab16p ld_le16
-
-static __inline__ void st_le16(volatile __u16 *addr, const __u16 val)
-{
- __asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr));
-}
-
-static inline void __arch_swab16s(__u16 *addr)
-{
- st_le16(addr, *addr);
-}
-#define __arch_swab16s __arch_swab16s
-
-static __inline__ __u32 ld_le32(const volatile __u32 *addr)
-{
- __u32 val;
-
- __asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr));
- return val;
-}
-#define __arch_swab32p ld_le32
-
-static __inline__ void st_le32(volatile __u32 *addr, const __u32 val)
-{
- __asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr));
-}
-
-static inline void __arch_swab32s(__u32 *addr)
-{
- st_le32(addr, *addr);
-}
-#define __arch_swab32s __arch_swab32s
-
-static inline __attribute_const__ __u16 __arch_swab16(__u16 value)
-{
- __u16 result;
-
- __asm__("rlwimi %0,%1,8,16,23"
- : "=r" (result)
- : "r" (value), "0" (value >> 8));
- return result;
-}
-#define __arch_swab16 __arch_swab16
-
-static inline __attribute_const__ __u32 __arch_swab32(__u32 value)
-{
- __u32 result;
-
- __asm__("rlwimi %0,%1,24,16,23\n\t"
- "rlwimi %0,%1,8,8,15\n\t"
- "rlwimi %0,%1,24,0,7"
- : "=r" (result)
- : "r" (value), "0" (value >> 24));
- return result;
-}
-#define __arch_swab32 __arch_swab32
-
-#endif /* __KERNEL__ */
-
-#ifndef __powerpc64__
-#define __SWAB_64_THRU_32__
-#endif /* __powerpc64__ */
-
-#endif /* __GNUC__ */
-
-#include <linux/byteorder.h>
+#include <asm/swab.h>
+#include <linux/byteorder/big_endian.h>
#endif /* _ASM_POWERPC_BYTEORDER_H */
diff --git a/arch/powerpc/include/asm/swab.h b/arch/powerpc/include/asm/swab.h
new file mode 100644
index 00000000000..ef824ae4b79
--- /dev/null
+++ b/arch/powerpc/include/asm/swab.h
@@ -0,0 +1,90 @@
+#ifndef _ASM_POWERPC_SWAB_H
+#define _ASM_POWERPC_SWAB_H
+
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <asm/types.h>
+#include <linux/compiler.h>
+
+#ifdef __GNUC__
+
+#ifndef __powerpc64__
+#define __SWAB_64_THRU_32__
+#endif /* __powerpc64__ */
+
+#ifdef __KERNEL__
+
+static __inline__ __u16 ld_le16(const volatile __u16 *addr)
+{
+ __u16 val;
+
+ __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr));
+ return val;
+}
+#define __arch_swab16p ld_le16
+
+static __inline__ void st_le16(volatile __u16 *addr, const __u16 val)
+{
+ __asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr));
+}
+
+static inline void __arch_swab16s(__u16 *addr)
+{
+ st_le16(addr, *addr);
+}
+#define __arch_swab16s __arch_swab16s
+
+static __inline__ __u32 ld_le32(const volatile __u32 *addr)
+{
+ __u32 val;
+
+ __asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr));
+ return val;
+}
+#define __arch_swab32p ld_le32
+
+static __inline__ void st_le32(volatile __u32 *addr, const __u32 val)
+{
+ __asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr));
+}
+
+static inline void __arch_swab32s(__u32 *addr)
+{
+ st_le32(addr, *addr);
+}
+#define __arch_swab32s __arch_swab32s
+
+static inline __attribute_const__ __u16 __arch_swab16(__u16 value)
+{
+ __u16 result;
+
+ __asm__("rlwimi %0,%1,8,16,23"
+ : "=r" (result)
+ : "r" (value), "0" (value >> 8));
+ return result;
+}
+#define __arch_swab16 __arch_swab16
+
+static inline __attribute_const__ __u32 __arch_swab32(__u32 value)
+{
+ __u32 result;
+
+ __asm__("rlwimi %0,%1,24,16,23\n\t"
+ "rlwimi %0,%1,8,8,15\n\t"
+ "rlwimi %0,%1,24,0,7"
+ : "=r" (result)
+ : "r" (value), "0" (value >> 24));
+ return result;
+}
+#define __arch_swab32 __arch_swab32
+
+#endif /* __KERNEL__ */
+
+#endif /* __GNUC__ */
+
+#endif /* _ASM_POWERPC_SWAB_H */