1 #ifndef _ASM_GENERIC_UNALIGNED_H_ 2 #define _ASM_GENERIC_UNALIGNED_H_ 3 4 /* 5 * For the benefit of those who are trying to port Linux to another 6 * architecture, here are some C-language equivalents. 7 */ 8 9 #include <asm/string.h> 10 11 12 #define get_unaligned(ptr) \ 13 ({ __typeof__(*(ptr)) __tmp; memcpy(&__tmp, (ptr), sizeof(*(ptr))); __tmp; }) 14 15 #define put_unaligned(val, ptr) \ 16 ({ __typeof__(*(ptr)) __tmp = (val); \ 17 memcpy((ptr), &__tmp, sizeof(*(ptr))); \ 18 (void)0; }) 19 20 #endif /* _ASM_GENERIC_UNALIGNED_H */ 21