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Message-Id: <1219106893.17033.68.camel@brick>
Date: Mon, 18 Aug 2008 17:48:13 -0700
From: Harvey Harrison <harvey.harrison@...il.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Paul Mackerras <paulus@...ba.org>,
LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 15/23] powerpc: use the new byteorder headers
Signed-off-by: Harvey Harrison <harvey.harrison@...il.com>
---
arch/powerpc/include/asm/byteorder.h | 49 ++++++++++++---------------------
1 files changed, 18 insertions(+), 31 deletions(-)
diff --git a/arch/powerpc/include/asm/byteorder.h b/arch/powerpc/include/asm/byteorder.h
index b377522..1d39300 100644
--- a/arch/powerpc/include/asm/byteorder.h
+++ b/arch/powerpc/include/asm/byteorder.h
@@ -11,36 +11,43 @@
#include <asm/types.h>
#include <linux/compiler.h>
-#ifdef __GNUC__
-#ifdef __KERNEL__
+#define __BIG_ENDIAN
-static __inline__ __u16 ld_le16(const volatile __u16 *addr)
+#ifndef __powerpc64__
+# define __SWAB_64_THRU_32__
+#endif
+
+static inline __u16 __arch_swab16p(const volatile __u16 *addr)
{
__u16 val;
__asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr));
return val;
}
+#define __arch_swab16p __arch_swab16p
-static __inline__ void st_le16(volatile __u16 *addr, const __u16 val)
+static inline void __arch_swab16s(volatile __u16 *addr, const __u16 val)
{
__asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr));
}
+#define __arch_swab16s __arch_swab16s
-static __inline__ __u32 ld_le32(const volatile __u32 *addr)
+static inline __u32 __arch_swab32p(const volatile __u32 *addr)
{
__u32 val;
__asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr));
return val;
}
+#define __arch_swab32p __arch_swab32p
-static __inline__ void st_le32(volatile __u32 *addr, const __u32 val)
+static inline void __arch_swab32s(volatile __u32 *addr, const __u32 val)
{
__asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr));
}
+#define __arch_swab32s __arch_swab32s
-static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 value)
+static inline __attribute_const__ __u16 __arch_swab16(__u16 value)
{
__u16 result;
@@ -49,8 +56,9 @@ static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 value)
: "r" (value), "0" (value >> 8));
return result;
}
+#define __arch_swab16 __arch_swab16
-static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 value)
+static inline __attribute_const__ __u32 __arch_swab32(__u32 value)
{
__u32 result;
@@ -61,29 +69,8 @@ static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 value)
: "r" (value), "0" (value >> 24));
return result;
}
+#define __arch_swab32 __arch_swab32
-#define __arch__swab16(x) ___arch__swab16(x)
-#define __arch__swab32(x) ___arch__swab32(x)
-
-/* The same, but returns converted value from the location pointer by addr. */
-#define __arch__swab16p(addr) ld_le16(addr)
-#define __arch__swab32p(addr) ld_le32(addr)
-
-/* The same, but do the conversion in situ, ie. put the value back to addr. */
-#define __arch__swab16s(addr) st_le16(addr,*addr)
-#define __arch__swab32s(addr) st_le32(addr,*addr)
-
-#endif /* __KERNEL__ */
-
-#ifndef __STRICT_ANSI__
-#define __BYTEORDER_HAS_U64__
-#ifndef __powerpc64__
-#define __SWAB_64_THRU_32__
-#endif /* __powerpc64__ */
-#endif /* __STRICT_ANSI__ */
-
-#endif /* __GNUC__ */
-
-#include <linux/byteorder/big_endian.h>
+#include <linux/byteorder.h>
#endif /* _ASM_POWERPC_BYTEORDER_H */
--
1.6.0.274.g8aacc
--
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