diff options
Diffstat (limited to 'arch/ia64/include/uapi/asm/swab.h')
-rw-r--r-- | arch/ia64/include/uapi/asm/swab.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/ia64/include/uapi/asm/swab.h b/arch/ia64/include/uapi/asm/swab.h new file mode 100644 index 0000000000..79f3fef1a0 --- /dev/null +++ b/arch/ia64/include/uapi/asm/swab.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _ASM_IA64_SWAB_H +#define _ASM_IA64_SWAB_H + +/* + * Modified 1998, 1999 + * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co. + */ + +#include <linux/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 */ |