| 32,8 → 32,6 |
|---|
| extern void memsetw(__address dst, size_t cnt, __u16 x); |
| extern void memsetb(__address dst, size_t cnt, __u8 x); |
| |
| extern int memcmp(__address src, __address dst, int cnt); |
| |
| /** Copy memory |
| * |
| * Copy a given number of bytes (3rd argument) |
| 71,5 → 69,33 |
|---|
| } |
| |
| |
| /** Compare memory |
| * |
| * Compare a given number of bytes (3rd argument) |
| * at memory locations defined by 1st and 2nd argument |
| * for equality. If memory is equal, returns 0. |
| * |
| * @param pointer 1 |
| * @param pointer 2 |
| * @param number of bytes |
| * @return 0 on match or non-zero if different |
| */ |
| static inline int memcmp(const void * mem1, const void * mem2, size_t cnt) |
| { |
| __u32 d0, d1, d2; |
| int ret; |
| |
| __asm__ ( |
| "repe cmpsb\n\t" |
| "je 1f\n\t" |
| "movl %3, %0\n\t" |
| "addl $1, %0\n\t" |
| "1:\n" |
| : "=a" (ret), "=%S" (d0), "=&D" (d1), "=&c" (d2) |
| : "0" (0), "1" (mem1), "2" (mem2), "3" (cnt) |
| ); |
| |
| return ret; |
| } |
| |
| #endif |