33 lines
780 B
C
33 lines
780 B
C
#ifndef __M68K_UNALIGNED_H
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#define __M68K_UNALIGNED_H
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#include <linux/config.h>
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#ifdef CONFIG_COLDFIRE
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/* Use memmove here, so gcc does not insert a __builtin_memcpy. */
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#define get_unaligned(ptr) \
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({ __typeof__(*(ptr)) __tmp; memmove(&__tmp, (ptr), sizeof(*(ptr))); __tmp; })
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#define put_unaligned(val, ptr) \
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({ __typeof__(*(ptr)) __tmp = (val); \
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memmove((ptr), &__tmp, sizeof(*(ptr))); \
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(void)0; })
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#else
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/*
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* The m68k can do unaligned accesses itself.
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*
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* The strange macros are there to make sure these can't
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* be misused in a way that makes them not work on other
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* architectures where unaligned accesses aren't as simple.
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*/
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#define get_unaligned(ptr) (*(ptr))
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#define put_unaligned(val, ptr) ((void)( *(ptr) = (val) ))
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#endif
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#endif
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