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29 lines
665 B
29 lines
665 B
3 years ago
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _M68K_SWAB_H
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#define _M68K_SWAB_H
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#include <linux/types.h>
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#include <linux/compiler.h>
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#define __SWAB_64_THRU_32__
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#if defined (__mcfisaaplus__) || defined (__mcfisac__)
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static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
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{
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__asm__("byterev %0" : "=d" (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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#elif !defined(__mcoldfire__)
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static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
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{
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__asm__("rolw #8,%0; swap %0; rolw #8,%0" : "=d" (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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#endif
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#endif /* _M68K_SWAB_H */
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