Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * arch/alpha/lib/clear_page.S | |
3 | * | |
4 | * Zero an entire page. | |
5 | */ | |
6 | ||
7 | .text | |
8 | .align 4 | |
9 | .global clear_page | |
10 | .ent clear_page | |
11 | clear_page: | |
12 | .prologue 0 | |
13 | ||
14 | lda $0,128 | |
15 | nop | |
16 | unop | |
17 | nop | |
18 | ||
19 | 1: stq $31,0($16) | |
20 | stq $31,8($16) | |
21 | stq $31,16($16) | |
22 | stq $31,24($16) | |
23 | ||
24 | stq $31,32($16) | |
25 | stq $31,40($16) | |
26 | stq $31,48($16) | |
27 | subq $0,1,$0 | |
28 | ||
29 | stq $31,56($16) | |
30 | addq $16,64,$16 | |
31 | unop | |
32 | bne $0,1b | |
33 | ||
34 | ret | |
35 | nop | |
36 | unop | |
37 | nop | |
38 | ||
39 | .end clear_page |