| 1 | #include <asm/ppc_asm.h> |
|---|---|
| 2 | |
| 3 | _GLOBAL(copy_tofrom_user_reference) |
| 4 | cmpdi r5,0 |
| 5 | beq 4f |
| 6 | |
| 7 | mtctr r5 |
| 8 | |
| 9 | 1: lbz r6,0(r4) |
| 10 | 2: stb r6,0(r3) |
| 11 | addi r3,r3,1 |
| 12 | addi r4,r4,1 |
| 13 | bdnz 1b |
| 14 | |
| 15 | 3: mfctr r3 |
| 16 | blr |
| 17 | |
| 18 | 4: mr r3,r5 |
| 19 | blr |
| 20 | |
| 21 | .section __ex_table,"a" |
| 22 | .llong 1b,3b |
| 23 | .llong 2b,3b |
| 24 | .text |
| 25 |