Linux kernel mirror (for testing)
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1#ifndef __ASM_AVR32_UNALIGNED_H
2#define __ASM_AVR32_UNALIGNED_H
3
4/*
5 * AVR32 can handle some unaligned accesses, depending on the
6 * implementation. The AVR32 AP implementation can handle unaligned
7 * words, but halfwords must be halfword-aligned, and doublewords must
8 * be word-aligned.
9 *
10 * TODO: Make all this CPU-specific and optimize.
11 */
12
13#include <linux/string.h>
14
15/* Use memmove here, so gcc does not insert a __builtin_memcpy. */
16
17#define get_unaligned(ptr) \
18 ({ __typeof__(*(ptr)) __tmp; memmove(&__tmp, (ptr), sizeof(*(ptr))); __tmp; })
19
20#define put_unaligned(val, ptr) \
21 ({ __typeof__(*(ptr)) __tmp = (val); \
22 memmove((ptr), &__tmp, sizeof(*(ptr))); \
23 (void)0; })
24
25#endif /* __ASM_AVR32_UNALIGNED_H */