162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */
262306a36Sopenharmony_ci/*
362306a36Sopenharmony_ci * arch/alpha/lib/ev6-clear_page.S
462306a36Sopenharmony_ci *
562306a36Sopenharmony_ci * Zero an entire page.
662306a36Sopenharmony_ci */
762306a36Sopenharmony_ci#include <linux/export.h>
862306a36Sopenharmony_ci        .text
962306a36Sopenharmony_ci        .align 4
1062306a36Sopenharmony_ci        .global clear_page
1162306a36Sopenharmony_ci        .ent clear_page
1262306a36Sopenharmony_ciclear_page:
1362306a36Sopenharmony_ci        .prologue 0
1462306a36Sopenharmony_ci
1562306a36Sopenharmony_ci	lda	$0,128
1662306a36Sopenharmony_ci	lda	$1,125
1762306a36Sopenharmony_ci	addq	$16,64,$2
1862306a36Sopenharmony_ci	addq	$16,128,$3
1962306a36Sopenharmony_ci
2062306a36Sopenharmony_ci	addq	$16,192,$17
2162306a36Sopenharmony_ci	wh64	($16)
2262306a36Sopenharmony_ci	wh64	($2)
2362306a36Sopenharmony_ci	wh64	($3)
2462306a36Sopenharmony_ci
2562306a36Sopenharmony_ci1:	wh64	($17)
2662306a36Sopenharmony_ci	stq	$31,0($16)
2762306a36Sopenharmony_ci	subq	$0,1,$0
2862306a36Sopenharmony_ci	subq	$1,1,$1
2962306a36Sopenharmony_ci
3062306a36Sopenharmony_ci	stq	$31,8($16)
3162306a36Sopenharmony_ci	stq	$31,16($16)
3262306a36Sopenharmony_ci	addq	$17,64,$2
3362306a36Sopenharmony_ci	nop
3462306a36Sopenharmony_ci
3562306a36Sopenharmony_ci	stq	$31,24($16)
3662306a36Sopenharmony_ci	stq	$31,32($16)
3762306a36Sopenharmony_ci	cmovgt	$1,$2,$17
3862306a36Sopenharmony_ci	nop
3962306a36Sopenharmony_ci
4062306a36Sopenharmony_ci	stq	$31,40($16)
4162306a36Sopenharmony_ci	stq	$31,48($16)
4262306a36Sopenharmony_ci	nop
4362306a36Sopenharmony_ci	nop
4462306a36Sopenharmony_ci
4562306a36Sopenharmony_ci	stq	$31,56($16)
4662306a36Sopenharmony_ci	addq	$16,64,$16
4762306a36Sopenharmony_ci	nop
4862306a36Sopenharmony_ci	bne	$0,1b
4962306a36Sopenharmony_ci
5062306a36Sopenharmony_ci	ret
5162306a36Sopenharmony_ci	nop
5262306a36Sopenharmony_ci	nop
5362306a36Sopenharmony_ci	nop
5462306a36Sopenharmony_ci
5562306a36Sopenharmony_ci	.end clear_page
5662306a36Sopenharmony_ci	EXPORT_SYMBOL(clear_page)
57