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