52 lines
620 B
ArmAsm
52 lines
620 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* arch/alpha/lib/copy_page.S
|
|
*
|
|
* Copy an entire page.
|
|
*/
|
|
#include <asm/export.h>
|
|
.text
|
|
.align 4
|
|
.global copy_page
|
|
.ent copy_page
|
|
copy_page:
|
|
.prologue 0
|
|
|
|
lda $18,128
|
|
nop
|
|
unop
|
|
nop
|
|
|
|
1: ldq $0,0($17)
|
|
ldq $1,8($17)
|
|
ldq $2,16($17)
|
|
ldq $3,24($17)
|
|
|
|
ldq $4,32($17)
|
|
ldq $5,40($17)
|
|
ldq $6,48($17)
|
|
ldq $7,56($17)
|
|
|
|
stq $0,0($16)
|
|
subq $18,1,$18
|
|
stq $1,8($16)
|
|
addq $17,64,$17
|
|
|
|
stq $2,16($16)
|
|
stq $3,24($16)
|
|
stq $4,32($16)
|
|
stq $5,40($16)
|
|
|
|
stq $6,48($16)
|
|
stq $7,56($16)
|
|
addq $16,64,$16
|
|
bne $18, 1b
|
|
|
|
ret
|
|
nop
|
|
unop
|
|
nop
|
|
|
|
.end copy_page
|
|
EXPORT_SYMBOL(copy_page)
|