1*4882a593Smuzhiyun/* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun/* 3*4882a593Smuzhiyun * Hibernation support specific for mips - temporary page tables 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2009 Lemote Inc. 6*4882a593Smuzhiyun * Author: Hu Hongbing <huhb@lemote.com> 7*4882a593Smuzhiyun * Wu Zhangjin <wuzhangjin@gmail.com> 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun#include <asm/asm-offsets.h> 10*4882a593Smuzhiyun#include <asm/regdef.h> 11*4882a593Smuzhiyun#include <asm/asm.h> 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun.text 14*4882a593SmuzhiyunLEAF(swsusp_arch_suspend) 15*4882a593Smuzhiyun PTR_LA t0, saved_regs 16*4882a593Smuzhiyun PTR_S ra, PT_R31(t0) 17*4882a593Smuzhiyun PTR_S sp, PT_R29(t0) 18*4882a593Smuzhiyun PTR_S fp, PT_R30(t0) 19*4882a593Smuzhiyun PTR_S gp, PT_R28(t0) 20*4882a593Smuzhiyun PTR_S s0, PT_R16(t0) 21*4882a593Smuzhiyun PTR_S s1, PT_R17(t0) 22*4882a593Smuzhiyun PTR_S s2, PT_R18(t0) 23*4882a593Smuzhiyun PTR_S s3, PT_R19(t0) 24*4882a593Smuzhiyun PTR_S s4, PT_R20(t0) 25*4882a593Smuzhiyun PTR_S s5, PT_R21(t0) 26*4882a593Smuzhiyun PTR_S s6, PT_R22(t0) 27*4882a593Smuzhiyun PTR_S s7, PT_R23(t0) 28*4882a593Smuzhiyun j swsusp_save 29*4882a593SmuzhiyunEND(swsusp_arch_suspend) 30*4882a593Smuzhiyun 31*4882a593SmuzhiyunLEAF(restore_image) 32*4882a593Smuzhiyun PTR_L t0, restore_pblist 33*4882a593Smuzhiyun0: 34*4882a593Smuzhiyun PTR_L t1, PBE_ADDRESS(t0) /* source */ 35*4882a593Smuzhiyun PTR_L t2, PBE_ORIG_ADDRESS(t0) /* destination */ 36*4882a593Smuzhiyun PTR_ADDU t3, t1, _PAGE_SIZE 37*4882a593Smuzhiyun1: 38*4882a593Smuzhiyun REG_L t8, (t1) 39*4882a593Smuzhiyun REG_S t8, (t2) 40*4882a593Smuzhiyun PTR_ADDIU t1, t1, SZREG 41*4882a593Smuzhiyun PTR_ADDIU t2, t2, SZREG 42*4882a593Smuzhiyun bne t1, t3, 1b 43*4882a593Smuzhiyun PTR_L t0, PBE_NEXT(t0) 44*4882a593Smuzhiyun bnez t0, 0b 45*4882a593Smuzhiyun PTR_LA t0, saved_regs 46*4882a593Smuzhiyun PTR_L ra, PT_R31(t0) 47*4882a593Smuzhiyun PTR_L sp, PT_R29(t0) 48*4882a593Smuzhiyun PTR_L fp, PT_R30(t0) 49*4882a593Smuzhiyun PTR_L gp, PT_R28(t0) 50*4882a593Smuzhiyun PTR_L s0, PT_R16(t0) 51*4882a593Smuzhiyun PTR_L s1, PT_R17(t0) 52*4882a593Smuzhiyun PTR_L s2, PT_R18(t0) 53*4882a593Smuzhiyun PTR_L s3, PT_R19(t0) 54*4882a593Smuzhiyun PTR_L s4, PT_R20(t0) 55*4882a593Smuzhiyun PTR_L s5, PT_R21(t0) 56*4882a593Smuzhiyun PTR_L s6, PT_R22(t0) 57*4882a593Smuzhiyun PTR_L s7, PT_R23(t0) 58*4882a593Smuzhiyun PTR_LI v0, 0x0 59*4882a593Smuzhiyun jr ra 60*4882a593SmuzhiyunEND(restore_image) 61