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26 lines
737 B
C
26 lines
737 B
C
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#ifndef __ASM_AVR32_UNALIGNED_H
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#define __ASM_AVR32_UNALIGNED_H
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/*
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* AVR32 can handle some unaligned accesses, depending on the
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* implementation. The AVR32 AP implementation can handle unaligned
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* words, but halfwords must be halfword-aligned, and doublewords must
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* be word-aligned.
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*
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* TODO: Make all this CPU-specific and optimize.
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*/
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#include <linux/string.h>
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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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#endif /* __ASM_AVR32_UNALIGNED_H */
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