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| ;;; SPDX-License-Identifier: GPL-2.0
| ;;; strncpy.S
|
| #include <asm/linkage.h>
|
| .text
| .global strncpy_from_user
|
| ;;; long strncpy_from_user(void *to, void *from, size_t n)
| strncpy_from_user:
| mov.l er2,er2
| bne 1f
| sub.l er0,er0
| rts
| 1:
| mov.l er4,@-sp
| sub.l er3,er3
| 2:
| mov.b @er1+,r4l
| mov.b r4l,@er0
| adds #1,er0
| beq 3f
| inc.l #1,er3
| dec.l #1,er2
| bne 2b
| 3:
| dec.l #1,er2
| 4:
| mov.b r4l,@er0
| adds #1,er0
| dec.l #1,er2
| bne 4b
| mov.l er3,er0
| mov.l @sp+,er4
| rts
|
|
