diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-01-11 03:43:52 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-01-11 03:43:52 +0100 |
commit | 99cd7074891f87c49660e3b2880564324a4733ac (patch) | |
tree | 903d2665bcb445f1f265d1adf7a99f265bcefc15 /arch/ia64/include/asm/swab.h | |
parent | e8a9cbf6ae620d9e5ba9cb42001c033287a284a3 (diff) | |
parent | c59765042f53a79a7a65585042ff463b69cb248c (diff) |
Merge commit 'v2.6.29-rc1' into tracing/urgent
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 */ |