1/* 2 * Hibernation support specific for mips - temporary page tables 3 * 4 * Licensed under the GPLv2 5 * 6 * Copyright (C) 2009 Lemote Inc. 7 * Author: Hu Hongbing <huhb@lemote.com> 8 * Wu Zhangjin <wuzhangjin@gmail.com> 9 */ 10#include <asm/asm-offsets.h> 11#include <asm/page.h> 12#include <asm/regdef.h> 13#include <asm/asm.h> 14 15.text 16LEAF(swsusp_arch_suspend) 17 PTR_LA t0, saved_regs 18 PTR_S ra, PT_R31(t0) 19 PTR_S sp, PT_R29(t0) 20 PTR_S fp, PT_R30(t0) 21 PTR_S gp, PT_R28(t0) 22 PTR_S s0, PT_R16(t0) 23 PTR_S s1, PT_R17(t0) 24 PTR_S s2, PT_R18(t0) 25 PTR_S s3, PT_R19(t0) 26 PTR_S s4, PT_R20(t0) 27 PTR_S s5, PT_R21(t0) 28 PTR_S s6, PT_R22(t0) 29 PTR_S s7, PT_R23(t0) 30 j swsusp_save 31END(swsusp_arch_suspend) 32 33LEAF(swsusp_arch_resume) 34 PTR_L t0, restore_pblist 350: 36 PTR_L t1, PBE_ADDRESS(t0) /* source */ 37 PTR_L t2, PBE_ORIG_ADDRESS(t0) /* destination */ 38 PTR_ADDU t3, t1, PAGE_SIZE 391: 40 REG_L t8, (t1) 41 REG_S t8, (t2) 42 PTR_ADDIU t1, t1, SZREG 43 PTR_ADDIU t2, t2, SZREG 44 bne t1, t3, 1b 45 PTR_L t0, PBE_NEXT(t0) 46 bnez t0, 0b 47 PTR_LA t0, saved_regs 48 PTR_L ra, PT_R31(t0) 49 PTR_L sp, PT_R29(t0) 50 PTR_L fp, PT_R30(t0) 51 PTR_L gp, PT_R28(t0) 52 PTR_L s0, PT_R16(t0) 53 PTR_L s1, PT_R17(t0) 54 PTR_L s2, PT_R18(t0) 55 PTR_L s3, PT_R19(t0) 56 PTR_L s4, PT_R20(t0) 57 PTR_L s5, PT_R21(t0) 58 PTR_L s6, PT_R22(t0) 59 PTR_L s7, PT_R23(t0) 60 PTR_LI v0, 0x0 61 jr ra 62END(swsusp_arch_resume) 63