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| author |   Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-07 09:55:03 +0100 |
|---|---|---|
| committer |   Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-07 09:55:03 +0100 |
| commit | 4fb8af10d0fd09372d52966b76922b9e82bbc950 (patch) | |
| tree | d240e4d40357583e3f3eb228dccf20122a5b31ed /arch/ia64/include/asm/byteorder.h | |
| parent | [ARM] Add support for arch/arm/mach-*/include and arch/arm/plat-*/include (diff) | |
| parent | kbuild: a better way to generate cscope database change (diff) | |
| download | linux-dev-4fb8af10d0fd09372d52966b76922b9e82bbc950.tar.xz linux-dev-4fb8af10d0fd09372d52966b76922b9e82bbc950.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes
Diffstat (limited to 'arch/ia64/include/asm/byteorder.h')
| -rw-r--r-- | arch/ia64/include/asm/byteorder.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/byteorder.h b/arch/ia64/include/asm/byteorder.h new file mode 100644 index 000000000000..69bd41d7c26e --- /dev/null +++ b/arch/ia64/include/asm/byteorder.h @@ -0,0 +1,42 @@ +#ifndef _ASM_IA64_BYTEORDER_H +#define _ASM_IA64_BYTEORDER_H + +/* + * Modified 1998, 1999 + * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co. + */ + +#include <asm/types.h> +#include <asm/intrinsics.h> +#include <linux/compiler.h> + +static __inline__ __attribute_const__ __u64 +__ia64_swab64 (__u64 x) +{ + __u64 result; + + result = ia64_mux1(x, ia64_mux1_rev); + return result; +} + +static __inline__ __attribute_const__ __u32 +__ia64_swab32 (__u32 x) +{ + return __ia64_swab64(x) >> 32; +} + +static __inline__ __attribute_const__ __u16 +__ia64_swab16(__u16 x) +{ + return __ia64_swab64(x) >> 48; +} + +#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> + +#endif /* _ASM_IA64_BYTEORDER_H */ |