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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/mips/power/hibernate_asm.S
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/* SPDX-License-Identifier: GPL-2.0-only */

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/*

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 * Hibernation support specific for mips - temporary page tables

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 *

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 * Copyright (C) 2009 Lemote Inc.

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 * Author: Hu Hongbing <[email protected]>

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 *	   Wu Zhangjin <[email protected]>

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 */

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#include <asm/asm-offsets.h>

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#include <asm/regdef.h>

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#include <asm/asm.h>

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.text

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LEAF(swsusp_arch_suspend)

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	PTR_LA t0, saved_regs

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	PTR_S ra, PT_R31(t0)

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	PTR_S sp, PT_R29(t0)

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	PTR_S fp, PT_R30(t0)

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	PTR_S gp, PT_R28(t0)

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	PTR_S s0, PT_R16(t0)

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	PTR_S s1, PT_R17(t0)

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	PTR_S s2, PT_R18(t0)

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	PTR_S s3, PT_R19(t0)

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	PTR_S s4, PT_R20(t0)

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	PTR_S s5, PT_R21(t0)

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	PTR_S s6, PT_R22(t0)

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	PTR_S s7, PT_R23(t0)

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	j swsusp_save

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END(swsusp_arch_suspend)

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LEAF(restore_image)

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	PTR_L t0, restore_pblist

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0:

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	PTR_L t1, PBE_ADDRESS(t0)   /* source */

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	PTR_L t2, PBE_ORIG_ADDRESS(t0) /* destination */

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	PTR_ADDU t3, t1, _PAGE_SIZE

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1:

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	REG_L t8, (t1)

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	REG_S t8, (t2)

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	PTR_ADDIU t1, t1, SZREG

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	PTR_ADDIU t2, t2, SZREG

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	bne t1, t3, 1b

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	PTR_L t0, PBE_NEXT(t0)

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	bnez t0, 0b

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	PTR_LA t0, saved_regs

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	PTR_L ra, PT_R31(t0)

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	PTR_L sp, PT_R29(t0)

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	PTR_L fp, PT_R30(t0)

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	PTR_L gp, PT_R28(t0)

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	PTR_L s0, PT_R16(t0)

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	PTR_L s1, PT_R17(t0)

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	PTR_L s2, PT_R18(t0)

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	PTR_L s3, PT_R19(t0)

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	PTR_L s4, PT_R20(t0)

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	PTR_L s5, PT_R21(t0)

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	PTR_L s6, PT_R22(t0)

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	PTR_L s7, PT_R23(t0)

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	PTR_LI v0, 0x0

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	jr ra

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END(restore_image)

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