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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
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