1*5efdfe75SThomas Gleixner/* SPDX-License-Identifier: GPL-2.0-only */ 2f8fd30ebSHuacai Chen/* 3f8fd30ebSHuacai Chen * Hibernation support specific for mips - temporary page tables 4f8fd30ebSHuacai Chen * 5f8fd30ebSHuacai Chen * Copyright (C) 2009 Lemote Inc. 6f8fd30ebSHuacai Chen * Author: Hu Hongbing <huhb@lemote.com> 7f8fd30ebSHuacai Chen * Wu Zhangjin <wuzhangjin@gmail.com> 8f8fd30ebSHuacai Chen */ 9f8fd30ebSHuacai Chen#include <asm/asm-offsets.h> 10f8fd30ebSHuacai Chen#include <asm/regdef.h> 11f8fd30ebSHuacai Chen#include <asm/asm.h> 12f8fd30ebSHuacai Chen 13f8fd30ebSHuacai Chen.text 14f8fd30ebSHuacai ChenLEAF(swsusp_arch_suspend) 15f8fd30ebSHuacai Chen PTR_LA t0, saved_regs 16f8fd30ebSHuacai Chen PTR_S ra, PT_R31(t0) 17f8fd30ebSHuacai Chen PTR_S sp, PT_R29(t0) 18f8fd30ebSHuacai Chen PTR_S fp, PT_R30(t0) 19f8fd30ebSHuacai Chen PTR_S gp, PT_R28(t0) 20f8fd30ebSHuacai Chen PTR_S s0, PT_R16(t0) 21f8fd30ebSHuacai Chen PTR_S s1, PT_R17(t0) 22f8fd30ebSHuacai Chen PTR_S s2, PT_R18(t0) 23f8fd30ebSHuacai Chen PTR_S s3, PT_R19(t0) 24f8fd30ebSHuacai Chen PTR_S s4, PT_R20(t0) 25f8fd30ebSHuacai Chen PTR_S s5, PT_R21(t0) 26f8fd30ebSHuacai Chen PTR_S s6, PT_R22(t0) 27f8fd30ebSHuacai Chen PTR_S s7, PT_R23(t0) 28f8fd30ebSHuacai Chen j swsusp_save 29f8fd30ebSHuacai ChenEND(swsusp_arch_suspend) 30f8fd30ebSHuacai Chen 31f8fd30ebSHuacai ChenLEAF(restore_image) 32f8fd30ebSHuacai Chen PTR_L t0, restore_pblist 33f8fd30ebSHuacai Chen0: 34f8fd30ebSHuacai Chen PTR_L t1, PBE_ADDRESS(t0) /* source */ 35f8fd30ebSHuacai Chen PTR_L t2, PBE_ORIG_ADDRESS(t0) /* destination */ 36f8fd30ebSHuacai Chen PTR_ADDU t3, t1, _PAGE_SIZE 37f8fd30ebSHuacai Chen1: 38f8fd30ebSHuacai Chen REG_L t8, (t1) 39f8fd30ebSHuacai Chen REG_S t8, (t2) 40f8fd30ebSHuacai Chen PTR_ADDIU t1, t1, SZREG 41f8fd30ebSHuacai Chen PTR_ADDIU t2, t2, SZREG 42f8fd30ebSHuacai Chen bne t1, t3, 1b 43f8fd30ebSHuacai Chen PTR_L t0, PBE_NEXT(t0) 44f8fd30ebSHuacai Chen bnez t0, 0b 45f8fd30ebSHuacai Chen PTR_LA t0, saved_regs 46f8fd30ebSHuacai Chen PTR_L ra, PT_R31(t0) 47f8fd30ebSHuacai Chen PTR_L sp, PT_R29(t0) 48f8fd30ebSHuacai Chen PTR_L fp, PT_R30(t0) 49f8fd30ebSHuacai Chen PTR_L gp, PT_R28(t0) 50f8fd30ebSHuacai Chen PTR_L s0, PT_R16(t0) 51f8fd30ebSHuacai Chen PTR_L s1, PT_R17(t0) 52f8fd30ebSHuacai Chen PTR_L s2, PT_R18(t0) 53f8fd30ebSHuacai Chen PTR_L s3, PT_R19(t0) 54f8fd30ebSHuacai Chen PTR_L s4, PT_R20(t0) 55f8fd30ebSHuacai Chen PTR_L s5, PT_R21(t0) 56f8fd30ebSHuacai Chen PTR_L s6, PT_R22(t0) 57f8fd30ebSHuacai Chen PTR_L s7, PT_R23(t0) 58f8fd30ebSHuacai Chen PTR_LI v0, 0x0 59f8fd30ebSHuacai Chen jr ra 60f8fd30ebSHuacai ChenEND(restore_image) 61