/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

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#ifndef _ASM_X86_SWAB_H

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#define _ASM_X86_SWAB_H

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#include <linux/types.h>

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static __inline__ __u32 __arch_swab32(__u32 val)

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{

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__asm__("bswapl %0" : "=r" (val) : "0" (val));

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return val;

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}

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#define __arch_swab32 __arch_swab32

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static __inline__ __u64 __arch_swab64(__u64 val)

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{

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#ifdef __i386__

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union {

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struct {

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__u32 a;

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__u32 b;

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} s;

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__u64 u;

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} v;

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v.u = val;

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__asm__("bswapl %0 ; bswapl %1 ; xchgl %0,%1"

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: "=r" (v.s.a), "=r" (v.s.b)

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: "0" (v.s.a), "1" (v.s.b));

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return v.u;

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#else /* __i386__ */

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__asm__("bswapq %0" : "=r" (val) : "0" (val));

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return val;

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#endif

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}

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#define __arch_swab64 __arch_swab64

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#endif /* _ASM_X86_SWAB_H */

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