1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * arch/alpha/lib/ev6-clear_page.S 4 * 5 * Zero an entire page. 6 */ 7#include <asm/export.h> 8 .text 9 .align 4 10 .global clear_page 11 .ent clear_page 12clear_page: 13 .prologue 0 14 15 lda $0,128 16 lda $1,125 17 addq $16,64,$2 18 addq $16,128,$3 19 20 addq $16,192,$17 21 wh64 ($16) 22 wh64 ($2) 23 wh64 ($3) 24 251: wh64 ($17) 26 stq $31,0($16) 27 subq $0,1,$0 28 subq $1,1,$1 29 30 stq $31,8($16) 31 stq $31,16($16) 32 addq $17,64,$2 33 nop 34 35 stq $31,24($16) 36 stq $31,32($16) 37 cmovgt $1,$2,$17 38 nop 39 40 stq $31,40($16) 41 stq $31,48($16) 42 nop 43 nop 44 45 stq $31,56($16) 46 addq $16,64,$16 47 nop 48 bne $0,1b 49 50 ret 51 nop 52 nop 53 nop 54 55 .end clear_page 56 EXPORT_SYMBOL(clear_page) 57