18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * arch/alpha/lib/ev6-clear_page.S 48c2ecf20Sopenharmony_ci * 58c2ecf20Sopenharmony_ci * Zero an entire page. 68c2ecf20Sopenharmony_ci */ 78c2ecf20Sopenharmony_ci#include <asm/export.h> 88c2ecf20Sopenharmony_ci .text 98c2ecf20Sopenharmony_ci .align 4 108c2ecf20Sopenharmony_ci .global clear_page 118c2ecf20Sopenharmony_ci .ent clear_page 128c2ecf20Sopenharmony_ciclear_page: 138c2ecf20Sopenharmony_ci .prologue 0 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ci lda $0,128 168c2ecf20Sopenharmony_ci lda $1,125 178c2ecf20Sopenharmony_ci addq $16,64,$2 188c2ecf20Sopenharmony_ci addq $16,128,$3 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_ci addq $16,192,$17 218c2ecf20Sopenharmony_ci wh64 ($16) 228c2ecf20Sopenharmony_ci wh64 ($2) 238c2ecf20Sopenharmony_ci wh64 ($3) 248c2ecf20Sopenharmony_ci 258c2ecf20Sopenharmony_ci1: wh64 ($17) 268c2ecf20Sopenharmony_ci stq $31,0($16) 278c2ecf20Sopenharmony_ci subq $0,1,$0 288c2ecf20Sopenharmony_ci subq $1,1,$1 298c2ecf20Sopenharmony_ci 308c2ecf20Sopenharmony_ci stq $31,8($16) 318c2ecf20Sopenharmony_ci stq $31,16($16) 328c2ecf20Sopenharmony_ci addq $17,64,$2 338c2ecf20Sopenharmony_ci nop 348c2ecf20Sopenharmony_ci 358c2ecf20Sopenharmony_ci stq $31,24($16) 368c2ecf20Sopenharmony_ci stq $31,32($16) 378c2ecf20Sopenharmony_ci cmovgt $1,$2,$17 388c2ecf20Sopenharmony_ci nop 398c2ecf20Sopenharmony_ci 408c2ecf20Sopenharmony_ci stq $31,40($16) 418c2ecf20Sopenharmony_ci stq $31,48($16) 428c2ecf20Sopenharmony_ci nop 438c2ecf20Sopenharmony_ci nop 448c2ecf20Sopenharmony_ci 458c2ecf20Sopenharmony_ci stq $31,56($16) 468c2ecf20Sopenharmony_ci addq $16,64,$16 478c2ecf20Sopenharmony_ci nop 488c2ecf20Sopenharmony_ci bne $0,1b 498c2ecf20Sopenharmony_ci 508c2ecf20Sopenharmony_ci ret 518c2ecf20Sopenharmony_ci nop 528c2ecf20Sopenharmony_ci nop 538c2ecf20Sopenharmony_ci nop 548c2ecf20Sopenharmony_ci 558c2ecf20Sopenharmony_ci .end clear_page 568c2ecf20Sopenharmony_ci EXPORT_SYMBOL(clear_page) 57