1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * arch/alpha/lib/copy_page.S
4 *
5 * Copy an entire page.
6 */
7 #include <linux/export.h>
8 .text
9 .align 4
10 .global copy_page
11 .ent copy_page
12 copy_page:
13 .prologue 0
14
15 lda $18,128
16 nop
17 unop
18 nop
19
20 1: ldq $0,0($17)
21 ldq $1,8($17)
22 ldq $2,16($17)
23 ldq $3,24($17)
24
25 ldq $4,32($17)
26 ldq $5,40($17)
27 ldq $6,48($17)
28 ldq $7,56($17)
29
30 stq $0,0($16)
31 subq $18,1,$18
32 stq $1,8($16)
33 addq $17,64,$17
34
35 stq $2,16($16)
36 stq $3,24($16)
37 stq $4,32($16)
38 stq $5,40($16)
39
40 stq $6,48($16)
41 stq $7,56($16)
42 addq $16,64,$16
43 bne $18, 1b
44
45 ret
46 nop
47 unop
48 nop
49
50 .end copy_page
51 EXPORT_SYMBOL(copy_page)
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.