[PATCH 3/6] byteorder: wire up arches to use new headers

From: Harvey Harrison
Date: Fri Jul 11 2008 - 15:12:28 EST

Acked-by: Haavard Skinnemoen <haavard.skinnemoen@xxxxxxxxx>
Signed-off-by: Harvey Harrison <harvey.harrison@xxxxxxxxx>
---
Patch vs linux-next 20080710, needs the m86k changes to asm/byteorder.h
first. (they have added one more optimized arch version in their devel tree)

include/asm-alpha/byteorder.h | 13 ++----
include/asm-arm/byteorder.h | 25 +++++-------
include/asm-avr32/byteorder.h | 22 +++++++----
include/asm-blackfin/byteorder.h | 33 +++++++--------
include/asm-cris/arch-v10/byteorder.h | 6 ++-
include/asm-cris/arch-v32/byteorder.h | 6 ++-
include/asm-cris/byteorder.h | 18 +-------
include/asm-frv/byteorder.h | 10 +---
include/asm-h8300/byteorder.h | 10 +---
include/asm-ia64/byteorder.h | 26 +++++-------
include/asm-m32r/byteorder.h | 15 +++----
include/asm-m68k/byteorder.h | 16 ++-----
include/asm-m68knommu/byteorder.h | 13 ++----
include/asm-mips/byteorder.h | 40 +++++++-----------
include/asm-mn10300/byteorder.h | 23 +++-------
include/asm-parisc/byteorder.h | 37 ++++++------------
include/asm-powerpc/byteorder.h | 49 ++++++++--------------
include/asm-s390/byteorder.h | 70 +++++++++-----------------------
include/asm-sh/byteorder.h | 32 +++++++--------
include/asm-sparc/byteorder.h | 22 ++++-------
include/asm-x86/byteorder.h | 69 +++++++++++++--------------------
include/asm-xtensa/byteorder.h | 32 +++++++--------
22 files changed, 226 insertions(+), 361 deletions(-)

diff --git a/include/asm-alpha/byteorder.h b/include/asm-alpha/byteorder.h
index 58e958f..cc9d368 100644
--- a/include/asm-alpha/byteorder.h
+++ b/include/asm-alpha/byteorder.h
@@ -5,9 +5,9 @@
#include <linux/compiler.h>
#include <asm/compiler.h>

-#ifdef __GNUC__
+#define __LITTLE_ENDIAN

-static inline __attribute_const__ __u32 __arch__swab32(__u32 x)
+static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
{
/*
* Unfortunately, we can't use the 6 instruction sequence
@@ -35,13 +35,8 @@ static inline __attribute_const__ __u32 __arch__swab32(__u32 x)

return t1;
}
+#define HAVE_ARCH_SWAB32

-#define __arch__swab32 __arch__swab32
-
-#endif /* __GNUC__ */
-
-#define __BYTEORDER_HAS_U64__
-
-#include <linux/byteorder/little_endian.h>
+#include <linux/byteorder.h>

#endif /* _ALPHA_BYTEORDER_H */
diff --git a/include/asm-arm/byteorder.h b/include/asm-arm/byteorder.h
index e6f7fcd..d88a5ce 100644
--- a/include/asm-arm/byteorder.h
+++ b/include/asm-arm/byteorder.h
@@ -18,7 +18,15 @@
#include <linux/compiler.h>
#include <asm/types.h>

-static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)
+#ifdef __ARMEB__
+# define __BIG_ENDIAN
+#else
+# define __LITTLE_ENDIAN
+#endif
+
+#define __SWAB_64_THRU_32__
+
+static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
{
__u32 t;

@@ -40,19 +48,8 @@ static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)

return x;
}
+#define HAVE_ARCH_SWAB32

-#define __arch__swab32(x) ___arch__swab32(x)
-
-#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-# define __BYTEORDER_HAS_U64__
-# define __SWAB_64_THRU_32__
-#endif
-
-#ifdef __ARMEB__
-#include <linux/byteorder/big_endian.h>
-#else
-#include <linux/byteorder/little_endian.h>
-#endif
+#include <linux/byteorder.h>

#endif
-
diff --git a/include/asm-avr32/byteorder.h b/include/asm-avr32/byteorder.h
index d77b48b..15bd96a 100644
--- a/include/asm-avr32/byteorder.h
+++ b/include/asm-avr32/byteorder.h
@@ -7,6 +7,9 @@
#include <asm/types.h>
#include <linux/compiler.h>

+#define __BIG_ENDIAN
+#define __SWAB_64_THRU_32__
+
#ifdef __CHECKER__
extern unsigned long __builtin_bswap_32(unsigned long x);
extern unsigned short __builtin_bswap_16(unsigned short x);
@@ -17,15 +20,18 @@ extern unsigned short __builtin_bswap_16(unsigned short x);
* the result.
*/
#if !(__GNUC__ == 4 && __GNUC_MINOR__ < 2)
-#define __arch__swab32(x) __builtin_bswap_32(x)
-#define __arch__swab16(x) __builtin_bswap_16(x)
-#endif
+static inline __attribute_const__ __u16 __arch_swab16(__u16 val)
+{
+ return __builtin_bswap_16(val);
+}
+#define HAVE_ARCH_SWAB16

-#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-# define __BYTEORDER_HAS_U64__
-# define __SWAB_64_THRU_32__
+static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
+{
+ return __builtin_bswap_32(val);
+}
+#define HAVE_ARCH_SWAB32
#endif

-#include <linux/byteorder/big_endian.h>
-
+#include <linux/byteorder.h>
#endif /* __ASM_AVR32_BYTEORDER_H */
diff --git a/include/asm-blackfin/byteorder.h b/include/asm-blackfin/byteorder.h
index 6a673d4..68be8a2 100644
--- a/include/asm-blackfin/byteorder.h
+++ b/include/asm-blackfin/byteorder.h
@@ -4,9 +4,10 @@
#include <asm/types.h>
#include <linux/compiler.h>

-#ifdef __GNUC__
+#define __LITTLE_ENDIAN
+#define __SWAB_64_THRU_32__

-static __inline__ __attribute_const__ __u32 ___arch__swahb32(__u32 xx)
+static inline __attribute_const__ __u32 __arch_swahb32(__u32 xx)
{
__u32 tmp;
__asm__("%1 = %0 >> 8 (V);\n\t"
@@ -15,34 +16,30 @@ static __inline__ __attribute_const__ __u32 ___arch__swahb32(__u32 xx)
: "+d"(xx), "=&d"(tmp));
return xx;
}
+#define HAVE_ARCH_SWAHB32

-static __inline__ __attribute_const__ __u32 ___arch__swahw32(__u32 xx)
+static inline __attribute_const__ __u32 __arch_swahw32(__u32 xx)
{
__u32 rv;
__asm__("%0 = PACK(%1.L, %1.H);\n\t": "=d"(rv): "d"(xx));
return rv;
}
+#define HAVE_ARCH_SWAHW32

-#define __arch__swahb32(x) ___arch__swahb32(x)
-#define __arch__swahw32(x) ___arch__swahw32(x)
-#define __arch__swab32(x) ___arch__swahb32(___arch__swahw32(x))
+static inline __attribute_const__ __u32 __arch_swab32(__u32 xx)
+{
+ return __arch_swahb32(__arch_swahw32(x));
+}
+#define HAVE_ARCH_SWAB32

-static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 xx)
+static inline __attribute_const__ __u16 __arch_swab16(__u16 xx)
{
__u32 xw = xx;
__asm__("%0 <<= 8;\n %0.L = %0.L + %0.H (NS);\n": "+d"(xw));
return (__u16)xw;
}
+#define HAVE_ARCH_SWAB16

-#define __arch__swab16(x) ___arch__swab16(x)
-
-#endif
-
-#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-# define __BYTEORDER_HAS_U64__
-# define __SWAB_64_THRU_32__
-#endif
-
-#include <linux/byteorder/little_endian.h>
+#include <linux/byteorder.h>

-#endif /* _BLACKFIN_BYTEORDER_H */
+#endif /* _BLACKFIN_BYTEORDER_H */
diff --git a/include/asm-cris/arch-v10/byteorder.h b/include/asm-cris/arch-v10/byteorder.h
index 255b646..8aed4e4 100644
--- a/include/asm-cris/arch-v10/byteorder.h
+++ b/include/asm-cris/arch-v10/byteorder.h
@@ -9,18 +9,20 @@
* them together into ntohl etc.
*/

-static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)
+static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
{
__asm__ ("swapwb %0" : "=r" (x) : "0" (x));

return(x);
}
+#define HAVE_ARCH_SWAB32

-static inline __attribute_const__ __u16 ___arch__swab16(__u16 x)
+static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
{
__asm__ ("swapb %0" : "=r" (x) : "0" (x));

return(x);
}
+#define HAVE_ARCH_SWAB16

#endif
diff --git a/include/asm-cris/arch-v32/byteorder.h b/include/asm-cris/arch-v32/byteorder.h
index 6ef8fb4..6023146 100644
--- a/include/asm-cris/arch-v32/byteorder.h
+++ b/include/asm-cris/arch-v32/byteorder.h
@@ -4,17 +4,19 @@
#include <asm/types.h>

static inline __const__ __u32
-___arch__swab32(__u32 x)
+__arch_swab32(__u32 x)
{
__asm__ __volatile__ ("swapwb %0" : "=r" (x) : "0" (x));
return (x);
}
+#define HAVE_ARCH_SWAB32

static inline __const__ __u16
-___arch__swab16(__u16 x)
+__arch_swab16(__u16 x)
{
__asm__ __volatile__ ("swapb %0" : "=r" (x) : "0" (x));
return (x);
}
+#define HAVE_ARCH_SWAB16

#endif /* _ASM_CRIS_ARCH_BYTEORDER_H */
diff --git a/include/asm-cris/byteorder.h b/include/asm-cris/byteorder.h
index 0cd9db1..fb02930 100644
--- a/include/asm-cris/byteorder.h
+++ b/include/asm-cris/byteorder.h
@@ -1,26 +1,14 @@
#ifndef _CRIS_BYTEORDER_H
#define _CRIS_BYTEORDER_H

-#ifdef __GNUC__
+#define __LITTLE_ENDIAN
+#define __SWAB_64_THRU_32__

#ifdef __KERNEL__
#include <asm/arch/byteorder.h>
-
-/* defines are necessary because the other files detect the presence
- * of a defined __arch_swab32, not an inline
- */
-#define __arch__swab32(x) ___arch__swab32(x)
-#define __arch__swab16(x) ___arch__swab16(x)
-#endif /* __KERNEL__ */
-
-#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-# define __BYTEORDER_HAS_U64__
-# define __SWAB_64_THRU_32__
#endif

-#endif /* __GNUC__ */
-
-#include <linux/byteorder/little_endian.h>
+#include <linux/byteorder.h>

#endif

diff --git a/include/asm-frv/byteorder.h b/include/asm-frv/byteorder.h
index 411bec3..cb197c3 100644
--- a/include/asm-frv/byteorder.h
+++ b/include/asm-frv/byteorder.h
@@ -1,13 +1,9 @@
#ifndef _ASM_BYTEORDER_H
#define _ASM_BYTEORDER_H

-#include <asm/types.h>
+#define __BIG_ENDIAN
+#define __SWAB_64_THRU_32__

-#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-# define __BYTEORDER_HAS_U64__
-# define __SWAB_64_THRU_32__
-#endif
-
-#include <linux/byteorder/big_endian.h>
+#include <linux/byteorder.h>

#endif /* _ASM_BYTEORDER_H */
diff --git a/include/asm-h8300/byteorder.h b/include/asm-h8300/byteorder.h
index 36e597d..465b7af 100644
--- a/include/asm-h8300/byteorder.h
+++ b/include/asm-h8300/byteorder.h
@@ -1,13 +1,9 @@
#ifndef _H8300_BYTEORDER_H
#define _H8300_BYTEORDER_H

-#include <asm/types.h>
+#define __BIG_ENDIAN
+#define __SWAB_64_THRU_32__

-#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-# define __BYTEORDER_HAS_U64__
-# define __SWAB_64_THRU_32__
-#endif
-
-#include <linux/byteorder/big_endian.h>
+#include <linux/byteorder.h>

#endif /* _H8300_BYTEORDER_H */
diff --git a/include/asm-ia64/byteorder.h b/include/asm-ia64/byteorder.h
index 69bd41d..afd8ded 100644
--- a/include/asm-ia64/byteorder.h
+++ b/include/asm-ia64/byteorder.h
@@ -10,33 +10,29 @@
#include <asm/intrinsics.h>
#include <linux/compiler.h>

-static __inline__ __attribute_const__ __u64
-__ia64_swab64 (__u64 x)
+#define __LITTLE_ENDIAN
+
+static inline __attribute_const__ __u64 __arch_swab64(__u64 x)
{
__u64 result;

result = ia64_mux1(x, ia64_mux1_rev);
return result;
}
+#define HAVE_ARCH_SWAB64

-static __inline__ __attribute_const__ __u32
-__ia64_swab32 (__u32 x)
+static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
{
- return __ia64_swab64(x) >> 32;
+ return __arch_swab64(x) >> 32;
}
+#define HAVE_ARCH_SWAB32

-static __inline__ __attribute_const__ __u16
-__ia64_swab16(__u16 x)
+static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
{
- return __ia64_swab64(x) >> 48;
+ return __arch_swab64(x) >> 48;
}
+#define HAVE_ARCH_SWAB16

-#define __arch__swab64(x) __ia64_swab64(x)
-#define __arch__swab32(x) __ia64_swab32(x)
-#define __arch__swab16(x) __ia64_swab16(x)
-
-#define __BYTEORDER_HAS_U64__
-
-#include <linux/byteorder/little_endian.h>
+#include <linux/byteorder.h>

#endif /* _ASM_IA64_BYTEORDER_H */
diff --git a/include/asm-m32r/byteorder.h b/include/asm-m32r/byteorder.h
index 10b2c1d..a99896f 100644
--- a/include/asm-m32r/byteorder.h
+++ b/include/asm-m32r/byteorder.h
@@ -1,17 +1,14 @@
#ifndef _ASM_M32R_BYTEORDER_H
#define _ASM_M32R_BYTEORDER_H

-#include <asm/types.h>
-
-#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-# define __BYTEORDER_HAS_U64__
-# define __SWAB_64_THRU_32__
-#endif
-
#if defined(__LITTLE_ENDIAN__)
-# include <linux/byteorder/little_endian.h>
+# define __LITTLE_ENDIAN
#else
-# include <linux/byteorder/big_endian.h>
+# define __BIG_ENDIAN
#endif

+#define __SWAB_64_THRU_32__
+
+#include <linux/byteorder.h>
+
#endif /* _ASM_M32R_BYTEORDER_H */
diff --git a/include/asm-m68k/byteorder.h b/include/asm-m68k/byteorder.h
index 81d420b..4569d49 100644
--- a/include/asm-m68k/byteorder.h
+++ b/include/asm-m68k/byteorder.h
@@ -4,22 +4,16 @@
#include <asm/types.h>
#include <linux/compiler.h>

-#ifdef __GNUC__
+#define __BIG_ENDIAN
+#define __SWAB_64_THRU_32__

-static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 val)
+static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
{
__asm__("rolw #8,%0; swap %0; rolw #8,%0" : "=d" (val) : "0" (val));
return val;
}
-#define __arch__swab32(x) ___arch__swab32(x)
+#define HAVE_ARCH_SWAB32

-#endif
-
-#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-# define __BYTEORDER_HAS_U64__
-# define __SWAB_64_THRU_32__
-#endif
-
-#include <linux/byteorder/big_endian.h>
+#include <linux/byteorder.h>

#endif /* _M68K_BYTEORDER_H */
diff --git a/include/asm-m68knommu/byteorder.h b/include/asm-m68knommu/byteorder.h
index 20bb442..8a68b3c 100644
--- a/include/asm-m68knommu/byteorder.h
+++ b/include/asm-m68knommu/byteorder.h
@@ -3,13 +3,11 @@

#include <linux/types.h>

-#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-# define __BYTEORDER_HAS_U64__
-# define __SWAB_64_THRU_32__
-#endif
+#define __BIG_ENDIAN
+#define __SWAB_64_THRU_32__

#if defined (__mcfisaaplus__) || defined (__mcfisac__)
-static inline __attribute_const__ __u32 ___arch__swab32(__u32 val)
+static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
{
asm(
"byterev %0"
@@ -18,10 +16,9 @@ static inline __attribute_const__ __u32 ___arch__swab32(__u32 val)
);
return val;
}
-
-#define __arch__swab32(x) ___arch__swab32(x)
+#define HAVE_ARCH_SWAB32
#endif

-#include <linux/byteorder/big_endian.h>
+#include <linux/byteorder.h>

#endif /* _M68KNOMMU_BYTEORDER_H */
diff --git a/include/asm-mips/byteorder.h b/include/asm-mips/byteorder.h
index fe7dc2d..dfada7f 100644
--- a/include/asm-mips/byteorder.h
+++ b/include/asm-mips/byteorder.h
@@ -11,11 +11,19 @@
#include <linux/compiler.h>
#include <asm/types.h>

-#ifdef __GNUC__
+#if defined(__MIPSEB__)
+# define __BIG_ENDIAN
+#elif defined(__MIPSEL__)
+# define __LITTLE_ENDIAN
+#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)
+static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
{
__asm__(
" wsbh %0, %1 \n"
@@ -24,9 +32,9 @@ static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x)

return x;
}
-#define __arch__swab16(x) ___arch__swab16(x)
+#define HAVE_ARCH_SWAB16

-static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
+static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
{
__asm__(
" wsbh %0, %1 \n"
@@ -36,11 +44,10 @@ static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)

return x;
}
-#define __arch__swab32(x) ___arch__swab32(x)
+#define HAVE_ARCH_SWAB32

#ifdef CONFIG_CPU_MIPS64_R2
-
-static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x)
+static inline __attribute_const__ __u64 __arch_swab64(__u64 x)
{
__asm__(
" dsbh %0, %1 \n"
@@ -51,26 +58,11 @@ static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x)

return x;
}
-
-#define __arch__swab64(x) ___arch__swab64(x)
-
+#define HAVE_ARCH_SWAB64
#endif /* CONFIG_CPU_MIPS64_R2 */

#endif /* CONFIG_CPU_MIPSR2 */

-#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-# define __BYTEORDER_HAS_U64__
-# define __SWAB_64_THRU_32__
-#endif
-
-#endif /* __GNUC__ */
-
-#if defined(__MIPSEB__)
-# include <linux/byteorder/big_endian.h>
-#elif defined(__MIPSEL__)
-# include <linux/byteorder/little_endian.h>
-#else
-# error "MIPS, but neither __MIPSEB__, nor __MIPSEL__???"
-#endif
+#include <linux/byteorder.h>

#endif /* _ASM_BYTEORDER_H */
diff --git a/include/asm-mn10300/byteorder.h b/include/asm-mn10300/byteorder.h
index 3c993cc..3dd3e2a 100644
--- a/include/asm-mn10300/byteorder.h
+++ b/include/asm-mn10300/byteorder.h
@@ -13,34 +13,25 @@

#include <asm/types.h>

-#ifdef __GNUC__
+#define __LITTLE_ENDIAN
+#define __SWAB_64_THRU_32__

-static inline __attribute__((const))
-__u32 ___arch__swab32(__u32 x)
+static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
{
__u32 ret;
asm("swap %1,%0" : "=r" (ret) : "r" (x));
return ret;
}
+#define HAVE_ARCH_SWAB32

-static inline __attribute__((const))
-__u16 ___arch__swab16(__u16 x)
+static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
{
__u16 ret;
asm("swaph %1,%0" : "=r" (ret) : "r" (x));
return ret;
}
+#define HAVE_ARCH_SWAB16

-#define __arch__swab32(x) ___arch__swab32(x)
-#define __arch__swab16(x) ___arch__swab16(x)
-
-#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-# define __BYTEORDER_HAS_U64__
-# define __SWAB_64_THRU_32__
-#endif
-
-#endif /* __GNUC__ */
-
-#include <linux/byteorder/little_endian.h>
+#include <linux/byteorder.h>

#endif /* _ASM_BYTEORDER_H */
diff --git a/include/asm-parisc/byteorder.h b/include/asm-parisc/byteorder.h
index db14831..5e56b1b 100644
--- a/include/asm-parisc/byteorder.h
+++ b/include/asm-parisc/byteorder.h
@@ -4,9 +4,10 @@
#include <asm/types.h>
#include <linux/compiler.h>

-#ifdef __GNUC__
+#define __LITTLE_ENDIAN
+#define __SWAB_64_THRU_32__

-static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x)
+static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
{
__asm__("dep %0, 15, 8, %0\n\t" /* deposit 00ab -> 0bab */
"shd %%r0, %0, 8, %0" /* shift 000000ab -> 00ba */
@@ -14,8 +15,9 @@ static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x)
: "0" (x));
return x;
}
+#define HAVE_ARCH_SWAB16

-static __inline__ __attribute_const__ __u32 ___arch__swab24(__u32 x)
+static inline __attribute_const__ __u32 __arch_swab24(__u32 x)
{
__asm__("shd %0, %0, 8, %0\n\t" /* shift xabcxabc -> cxab */
"dep %0, 15, 8, %0\n\t" /* deposit cxab -> cbab */
@@ -25,7 +27,7 @@ static __inline__ __attribute_const__ __u32 ___arch__swab24(__u32 x)
return x;
}

-static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
+static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
{
unsigned int temp;
__asm__("shd %0, %0, 16, %1\n\t" /* shift abcdabcd -> cdab */
@@ -35,7 +37,7 @@ static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
: "0" (x));
return x;
}
-
+#define HAVE_ARCH_SWAB32

#if BITS_PER_LONG > 32
/*
@@ -48,7 +50,8 @@ static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
** HSHR 67452301 -> *6*4*2*0 into %0
** OR %0 | %1 -> 76543210 into %0 (all done!)
*/
-static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x) {
+static inline __attribute_const__ __u64 __arch_swab64(__u64 x)
+{
__u64 temp;
__asm__("permh,3210 %0, %0\n\t"
"hshl %0, 8, %1\n\t"
@@ -58,25 +61,9 @@ static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x) {
: "0" (x));
return x;
}
-#define __arch__swab64(x) ___arch__swab64(x)
-#define __BYTEORDER_HAS_U64__
-#elif !defined(__STRICT_ANSI__)
-static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x)
-{
- __u32 t1 = ___arch__swab32((__u32) x);
- __u32 t2 = ___arch__swab32((__u32) (x >> 32));
- return (((__u64) t1 << 32) | t2);
-}
-#define __arch__swab64(x) ___arch__swab64(x)
-#define __BYTEORDER_HAS_U64__
-#endif
-
-#define __arch__swab16(x) ___arch__swab16(x)
-#define __arch__swab24(x) ___arch__swab24(x)
-#define __arch__swab32(x) ___arch__swab32(x)
-
-#endif /* __GNUC__ */
+#define HAVE_ARCH_SWAB64
+#endif /* BITS_PER_LONG > 32 */

-#include <linux/byteorder/big_endian.h>
+#include <linux/byteorder.h>

#endif /* _PARISC_BYTEORDER_H */
diff --git a/include/asm-powerpc/byteorder.h b/include/asm-powerpc/byteorder.h
index b377522..9608169 100644
--- a/include/asm-powerpc/byteorder.h
+++ b/include/asm-powerpc/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 HAVE_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 HAVE_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 HAVE_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 HAVE_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 HAVE_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 HAVE_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 */
diff --git a/include/asm-s390/byteorder.h b/include/asm-s390/byteorder.h
index 1fe2492..b84c490 100644
--- a/include/asm-s390/byteorder.h
+++ b/include/asm-s390/byteorder.h
@@ -11,32 +11,39 @@

#include <asm/types.h>

-#ifdef __GNUC__
+#define __BIG_ENDIAN
+
+#ifndef __s390x__
+# define __SWAB_64_THRU_32__
+#endif

#ifdef __s390x__
-static inline __u64 ___arch__swab64p(const __u64 *x)
+static inline __u64 __arch_swab64p(const __u64 *x)
{
__u64 result;

asm volatile("lrvg %0,%1" : "=d" (result) : "m" (*x));
return result;
}
+#define HAVE_ARCH_SWAB64P

-static inline __u64 ___arch__swab64(__u64 x)
+static inline __u64 __arch_swab64(__u64 x)
{
__u64 result;

asm volatile("lrvgr %0,%1" : "=d" (result) : "d" (x));
return result;
}
+#define HAVE_ARCH_SWAB64

-static inline void ___arch__swab64s(__u64 *x)
+static inline void __arch_swab64s(__u64 *x)
{
*x = ___arch__swab64p(x);
}
+#define HAVE_ARCH_SWAB64S
#endif /* __s390x__ */

-static inline __u32 ___arch__swab32p(const __u32 *x)
+static inline __u32 __arch_swab32p(const __u32 *x)
{
__u32 result;

@@ -53,25 +60,20 @@ static inline __u32 ___arch__swab32p(const __u32 *x)
#endif /* __s390x__ */
return result;
}
+#define HAVE_ARCH_SWAB32P

-static inline __u32 ___arch__swab32(__u32 x)
+#ifdef __s390x__
+static inline __u32 __arch_swab32(__u32 x)
{
-#ifndef __s390x__
- return ___arch__swab32p(&x);
-#else /* __s390x__ */
__u32 result;

asm volatile("lrvr %0,%1" : "=d" (result) : "d" (x));
return result;
-#endif /* __s390x__ */
-}
-
-static __inline__ void ___arch__swab32s(__u32 *x)
-{
- *x = ___arch__swab32p(x);
}
+#define HAVE_ARCH_SWAB32
+#endif /* __s390x__ */

-static __inline__ __u16 ___arch__swab16p(const __u16 *x)
+static inline __u16 __arch_swab16p(const __u16 *x)
{
__u16 result;

@@ -86,40 +88,8 @@ static __inline__ __u16 ___arch__swab16p(const __u16 *x)
#endif /* __s390x__ */
return result;
}
+#define HAVE_ARCH_SWAB16P

-static __inline__ __u16 ___arch__swab16(__u16 x)
-{
- return ___arch__swab16p(&x);
-}
-
-static __inline__ void ___arch__swab16s(__u16 *x)
-{
- *x = ___arch__swab16p(x);
-}
-
-#ifdef __s390x__
-#define __arch__swab64(x) ___arch__swab64(x)
-#define __arch__swab64p(x) ___arch__swab64p(x)
-#define __arch__swab64s(x) ___arch__swab64s(x)
-#endif /* __s390x__ */
-#define __arch__swab32(x) ___arch__swab32(x)
-#define __arch__swab16(x) ___arch__swab16(x)
-#define __arch__swab32p(x) ___arch__swab32p(x)
-#define __arch__swab16p(x) ___arch__swab16p(x)
-#define __arch__swab32s(x) ___arch__swab32s(x)
-#define __arch__swab16s(x) ___arch__swab16s(x)
-
-#ifndef __s390x__
-#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-# define __BYTEORDER_HAS_U64__
-# define __SWAB_64_THRU_32__
-#endif
-#else /* __s390x__ */
-#define __BYTEORDER_HAS_U64__
-#endif /* __s390x__ */
-
-#endif /* __GNUC__ */
-
-#include <linux/byteorder/big_endian.h>
+#include <linux/byteorder.h>

#endif /* _S390_BYTEORDER_H */
diff --git a/include/asm-sh/byteorder.h b/include/asm-sh/byteorder.h
index 4c13e61..2259210 100644
--- a/include/asm-sh/byteorder.h
+++ b/include/asm-sh/byteorder.h
@@ -8,7 +8,15 @@
#include <linux/compiler.h>
#include <linux/types.h>

-static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)
+#ifdef __LITTLE_ENDIAN__
+# define __LITTLE_ENDIAN
+#else
+# define __BIG_ENDIAN
+#endif
+
+#define __SWAB_64_THRU_32__
+
+static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
{
__asm__(
#ifdef __SH5__
@@ -24,8 +32,9 @@ static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)

return x;
}
+#define HAVE_ARCH_SWAB32

-static inline __attribute_const__ __u16 ___arch__swab16(__u16 x)
+static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
{
__asm__(
#ifdef __SH5__
@@ -39,8 +48,9 @@ static inline __attribute_const__ __u16 ___arch__swab16(__u16 x)

return x;
}
+#define HAVE_ARCH_SWAB16

-static inline __u64 ___arch__swab64(__u64 val)
+static inline __u64 __arch_swab64(__u64 val)
{
union {
struct { __u32 a,b; } s;
@@ -51,20 +61,8 @@ static inline __u64 ___arch__swab64(__u64 val)
w.s.a = ___arch__swab32(v.s.b);
return w.u;
}
+#define HAVE_ARCH_SWAB64

-#define __arch__swab64(x) ___arch__swab64(x)
-#define __arch__swab32(x) ___arch__swab32(x)
-#define __arch__swab16(x) ___arch__swab16(x)
-
-#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-# define __BYTEORDER_HAS_U64__
-# define __SWAB_64_THRU_32__
-#endif
-
-#ifdef __LITTLE_ENDIAN__
-#include <linux/byteorder/little_endian.h>
-#else
-#include <linux/byteorder/big_endian.h>
-#endif
+#include <linux/byteorder.h>

#endif /* __ASM_SH_BYTEORDER_H */
diff --git a/include/asm-sparc/byteorder.h b/include/asm-sparc/byteorder.h
index bcd83aa..9195613 100644
--- a/include/asm-sparc/byteorder.h
+++ b/include/asm-sparc/byteorder.h
@@ -4,15 +4,14 @@
#include <asm/types.h>
#include <asm/asi.h>

-#ifdef __GNUC__
+#define __BIG_ENDIAN

#ifdef CONFIG_SPARC32
#define __SWAB_64_THRU_32__
#endif

#ifdef CONFIG_SPARC64
-
-static inline __u16 ___arch__swab16p(const __u16 *addr)
+static inline __u16 __arch_swab16p(const __u16 *addr)
{
__u16 ret;

@@ -21,8 +20,9 @@ static inline __u16 ___arch__swab16p(const __u16 *addr)
: "r" (addr), "i" (ASI_PL));
return ret;
}
+#define HAVE_ARCH_SWAB16P

-static inline __u32 ___arch__swab32p(const __u32 *addr)
+static inline __u32 __arch_swab32p(const __u32 *addr)
{
__u32 ret;

@@ -31,8 +31,9 @@ static inline __u32 ___arch__swab32p(const __u32 *addr)
: "r" (addr), "i" (ASI_PL));
return ret;
}
+#define HAVE_ARCH_SWAB32P

-static inline __u64 ___arch__swab64p(const __u64 *addr)
+static inline __u64 __arch_swab64p(const __u64 *addr)
{
__u64 ret;

@@ -41,17 +42,10 @@ static inline __u64 ___arch__swab64p(const __u64 *addr)
: "r" (addr), "i" (ASI_PL));
return ret;
}
-
-#define __arch__swab16p(x) ___arch__swab16p(x)
-#define __arch__swab32p(x) ___arch__swab32p(x)
-#define __arch__swab64p(x) ___arch__swab64p(x)
+#define HAVE_ARCH_SWAB64P

#endif /* CONFIG_SPARC64 */

-#define __BYTEORDER_HAS_U64__
-
-#endif
-
-#include <linux/byteorder/big_endian.h>
+#include <linux/byteorder.h>

#endif /* _SPARC_BYTEORDER_H */
diff --git a/include/asm-x86/byteorder.h b/include/asm-x86/byteorder.h
index e02ae2d..79220a9 100644
--- a/include/asm-x86/byteorder.h
+++ b/include/asm-x86/byteorder.h
@@ -4,26 +4,33 @@
#include <asm/types.h>
#include <linux/compiler.h>

-#ifdef __GNUC__
+#define __LITTLE_ENDIAN

-#ifdef __i386__
-
-static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)
+static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
{
-#ifdef CONFIG_X86_BSWAP
- asm("bswap %0" : "=r" (x) : "0" (x));
-#else
+#ifdef __i386__
+# ifdef CONFIG_X86_BSWAP
+ asm("bswap %0" : "=r" (val) : "0" (val));
+# else
asm("xchgb %b0,%h0\n\t" /* swap lower bytes */
"rorl $16,%0\n\t" /* swap words */
"xchgb %b0,%h0" /* swap higher bytes */
- : "=q" (x)
- : "0" (x));
+ : "=q" (val)
+ : "0" (val));
+# endif
+
+#else /* __i386__ */
+ asm("bswapl %0"
+ : "=r" (val)
+ : "0" (val));
#endif
- return x;
+ return val;
}
+#define HAVE_ARCH_SWAB32

-static inline __attribute_const__ __u64 ___arch__swab64(__u64 val)
+static inline __attribute_const__ __u64 __arch_swab64(__u64 val)
{
+#ifdef __i386__
union {
struct {
__u32 a;
@@ -32,50 +39,28 @@ static inline __attribute_const__ __u64 ___arch__swab64(__u64 val)
__u64 u;
} v;
v.u = val;
-#ifdef CONFIG_X86_BSWAP
+# ifdef CONFIG_X86_BSWAP
asm("bswapl %0 ; bswapl %1 ; xchgl %0,%1"
: "=r" (v.s.a), "=r" (v.s.b)
: "0" (v.s.a), "1" (v.s.b));
-#else
+# else
v.s.a = ___arch__swab32(v.s.a);
v.s.b = ___arch__swab32(v.s.b);
asm("xchgl %0,%1"
: "=r" (v.s.a), "=r" (v.s.b)
: "0" (v.s.a), "1" (v.s.b));
-#endif
+# endif
return v.u;
-}

#else /* __i386__ */
-
-static inline __attribute_const__ __u64 ___arch__swab64(__u64 x)
-{
asm("bswapq %0"
- : "=r" (x)
- : "0" (x));
- return x;
-}
-
-static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)
-{
- asm("bswapl %0"
- : "=r" (x)
- : "0" (x));
- return x;
-}
-
+ : "=r" (val)
+ : "0" (val));
+ return val;
#endif
+}
+#define HAVE_ARCH_SWAB64

-/* Do not define swab16. Gcc is smart enough to recognize "C" version and
- convert it into rotation or exhange. */
-
-#define __arch__swab64(x) ___arch__swab64(x)
-#define __arch__swab32(x) ___arch__swab32(x)
-
-#define __BYTEORDER_HAS_U64__
-
-#endif /* __GNUC__ */
-
-#include <linux/byteorder/little_endian.h>
+#include <linux/byteorder.h>

#endif /* _ASM_X86_BYTEORDER_H */
diff --git a/include/asm-xtensa/byteorder.h b/include/asm-xtensa/byteorder.h
index 765edf1..9a5928b 100644
--- a/include/asm-xtensa/byteorder.h
+++ b/include/asm-xtensa/byteorder.h
@@ -14,7 +14,17 @@
#include <asm/types.h>
#include <linux/compiler.h>

-static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
+#ifdef __XTENSA_EL__
+# define __LITTLE_ENDIAN
+#elif defined(__XTENSA_EB__)
+# define __BIG_ENDIAN
+#else
+# error processor byte order undefined!
+#endif
+
+#define __SWAB_64_THRU_32__
+
+static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
{
__u32 res;
/* instruction sequence from Xtensa ISA release 2/2000 */
@@ -28,8 +38,9 @@ static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
);
return res;
}
+#define HAVE_ARCH_SWAB32

-static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x)
+static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
{
/* Given that 'short' values are signed (i.e., can be negative),
* we cannot assume that the upper 16-bits of the register are
@@ -62,21 +73,8 @@ static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x)

return res;
}
+#define HAVE_ARCH_SWAB16

-#define __arch__swab32(x) ___arch__swab32(x)
-#define __arch__swab16(x) ___arch__swab16(x)
-
-#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-# define __BYTEORDER_HAS_U64__
-# define __SWAB_64_THRU_32__
-#endif
-
-#ifdef __XTENSA_EL__
-# include <linux/byteorder/little_endian.h>
-#elif defined(__XTENSA_EB__)
-# include <linux/byteorder/big_endian.h>
-#else
-# error processor byte order undefined!
-#endif
+#include <linux/byteorder.h>

#endif /* _XTENSA_BYTEORDER_H */
--
1.5.6.2.393.g45096


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