18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * Copyright (C) 2020 Loongson Technology Corporation Limited 48c2ecf20Sopenharmony_ci */ 58c2ecf20Sopenharmony_ci#include <linux/linkage.h> 68c2ecf20Sopenharmony_ci#include <asm/asm.h> 78c2ecf20Sopenharmony_ci#include <asm/export.h> 88c2ecf20Sopenharmony_ci#include <asm/page.h> 98c2ecf20Sopenharmony_ci#include <asm/regdef.h> 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ci .align 5 128c2ecf20Sopenharmony_ciSYM_FUNC_START(clear_page) 138c2ecf20Sopenharmony_ci lu12i.w t0, 1 << (PAGE_SHIFT - 12) 148c2ecf20Sopenharmony_ci add.d t0, t0, a0 158c2ecf20Sopenharmony_ci1: 168c2ecf20Sopenharmony_ci st.d zero, a0, 0 178c2ecf20Sopenharmony_ci st.d zero, a0, 8 188c2ecf20Sopenharmony_ci st.d zero, a0, 16 198c2ecf20Sopenharmony_ci st.d zero, a0, 24 208c2ecf20Sopenharmony_ci st.d zero, a0, 32 218c2ecf20Sopenharmony_ci st.d zero, a0, 40 228c2ecf20Sopenharmony_ci st.d zero, a0, 48 238c2ecf20Sopenharmony_ci st.d zero, a0, 56 248c2ecf20Sopenharmony_ci addi.d a0, a0, 128 258c2ecf20Sopenharmony_ci st.d zero, a0, -64 268c2ecf20Sopenharmony_ci st.d zero, a0, -56 278c2ecf20Sopenharmony_ci st.d zero, a0, -48 288c2ecf20Sopenharmony_ci st.d zero, a0, -40 298c2ecf20Sopenharmony_ci st.d zero, a0, -32 308c2ecf20Sopenharmony_ci st.d zero, a0, -24 318c2ecf20Sopenharmony_ci st.d zero, a0, -16 328c2ecf20Sopenharmony_ci st.d zero, a0, -8 338c2ecf20Sopenharmony_ci bne t0, a0, 1b 348c2ecf20Sopenharmony_ci 358c2ecf20Sopenharmony_ci jirl $r0, ra, 0 368c2ecf20Sopenharmony_ciSYM_FUNC_END(clear_page) 378c2ecf20Sopenharmony_ciEXPORT_SYMBOL(clear_page) 388c2ecf20Sopenharmony_ci 398c2ecf20Sopenharmony_ci.align 5 408c2ecf20Sopenharmony_ciSYM_FUNC_START(copy_page) 418c2ecf20Sopenharmony_ci lu12i.w t8, 1 << (PAGE_SHIFT - 12) 428c2ecf20Sopenharmony_ci add.d t8, t8, a0 438c2ecf20Sopenharmony_ci1: 448c2ecf20Sopenharmony_ci ld.d t0, a1, 0 458c2ecf20Sopenharmony_ci ld.d t1, a1, 8 468c2ecf20Sopenharmony_ci ld.d t2, a1, 16 478c2ecf20Sopenharmony_ci ld.d t3, a1, 24 488c2ecf20Sopenharmony_ci ld.d t4, a1, 32 498c2ecf20Sopenharmony_ci ld.d t5, a1, 40 508c2ecf20Sopenharmony_ci ld.d t6, a1, 48 518c2ecf20Sopenharmony_ci ld.d t7, a1, 56 528c2ecf20Sopenharmony_ci 538c2ecf20Sopenharmony_ci st.d t0, a0, 0 548c2ecf20Sopenharmony_ci st.d t1, a0, 8 558c2ecf20Sopenharmony_ci ld.d t0, a1, 64 568c2ecf20Sopenharmony_ci ld.d t1, a1, 72 578c2ecf20Sopenharmony_ci st.d t2, a0, 16 588c2ecf20Sopenharmony_ci st.d t3, a0, 24 598c2ecf20Sopenharmony_ci ld.d t2, a1, 80 608c2ecf20Sopenharmony_ci ld.d t3, a1, 88 618c2ecf20Sopenharmony_ci st.d t4, a0, 32 628c2ecf20Sopenharmony_ci st.d t5, a0, 40 638c2ecf20Sopenharmony_ci ld.d t4, a1, 96 648c2ecf20Sopenharmony_ci ld.d t5, a1, 104 658c2ecf20Sopenharmony_ci st.d t6, a0, 48 668c2ecf20Sopenharmony_ci st.d t7, a0, 56 678c2ecf20Sopenharmony_ci ld.d t6, a1, 112 688c2ecf20Sopenharmony_ci ld.d t7, a1, 120 698c2ecf20Sopenharmony_ci addi.d a0, a0, 128 708c2ecf20Sopenharmony_ci addi.d a1, a1, 128 718c2ecf20Sopenharmony_ci 728c2ecf20Sopenharmony_ci st.d t0, a0, -64 738c2ecf20Sopenharmony_ci st.d t1, a0, -56 748c2ecf20Sopenharmony_ci st.d t2, a0, -48 758c2ecf20Sopenharmony_ci st.d t3, a0, -40 768c2ecf20Sopenharmony_ci st.d t4, a0, -32 778c2ecf20Sopenharmony_ci st.d t5, a0, -24 788c2ecf20Sopenharmony_ci st.d t6, a0, -16 798c2ecf20Sopenharmony_ci st.d t7, a0, -8 808c2ecf20Sopenharmony_ci 818c2ecf20Sopenharmony_ci bne t8, a0, 1b 828c2ecf20Sopenharmony_ci jirl $r0, ra, 0 838c2ecf20Sopenharmony_ciSYM_FUNC_END(copy_page) 848c2ecf20Sopenharmony_ciEXPORT_SYMBOL(copy_page) 85