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author | David Vrabel <david.vrabel@csr.com> | 2009-01-07 10:45:25 +0000 |
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committer | David Vrabel <david.vrabel@csr.com> | 2009-01-07 10:45:25 +0000 |
commit | a23e66f3b8cfdedec14541e71ef29a754870a20c (patch) | |
tree | f8ac23572982e92e6f8ae09c4039db627bdf53ee /arch/ia64/include/asm/swab.h | |
parent | 04c470adb01c62bb9bd663cfc4875cf0a4eb01ab (diff) | |
parent | ede6f5aea054d3fb67c78857f7abdee602302043 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream
Diffstat (limited to 'arch/ia64/include/asm/swab.h')
-rw-r--r-- | arch/ia64/include/asm/swab.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/swab.h b/arch/ia64/include/asm/swab.h new file mode 100644 index 00000000000..6aa58b699ee --- /dev/null +++ b/arch/ia64/include/asm/swab.h @@ -0,0 +1,34 @@ +#ifndef _ASM_IA64_SWAB_H +#define _ASM_IA64_SWAB_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 __arch_swab64(__u64 x) +{ + __u64 result; + + result = ia64_mux1(x, ia64_mux1_rev); + return result; +} +#define __arch_swab64 __arch_swab64 + +static __inline__ __attribute_const__ __u32 __arch_swab32(__u32 x) +{ + return __arch_swab64(x) >> 32; +} +#define __arch_swab32 __arch_swab32 + +static __inline__ __attribute_const__ __u16 __arch_swab16(__u16 x) +{ + return __arch_swab64(x) >> 48; +} +#define __arch_swab16 __arch_swab16 + +#endif /* _ASM_IA64_SWAB_H */ |