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| /* SPDX-License-Identifier: GPL-2.0 */
| /*
| * arch/alpha/lib/ev6-clear_page.S
| *
| * Zero an entire page.
| */
| #include <asm/export.h>
| .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
| EXPORT_SYMBOL(clear_page)
|
|
