10b3a97934
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
27 lines
602 B
C
27 lines
602 B
C
#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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