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/*
* arch/alpha/lib/ev6-clear_page.S
*
* Zero an entire page.
*/
.text
.align 4
.global clear_page
.ent clear_page
clear_page:
.prologue 0
lda $0,128
lda $1,125
addq $16,64,$2
addq $16,128,$3
addq $16,192,$17
wh64 ($16)
wh64 ($2)
wh64 ($3)
1: wh64 ($17)
stq $31,0($16)
subq $0,1,$0
subq $1,1,$1
stq $31,8($16)
stq $31,16($16)
addq $17,64,$2
nop
stq $31,24($16)
stq $31,32($16)
cmovgt $1,$2,$17
nop
stq $31,40($16)
stq $31,48($16)
nop
nop
stq $31,56($16)
addq $16,64,$16
nop
bne $0,1b
ret
nop
nop
nop
.end clear_page
|
