1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Hibernation support specific for mips - temporary page tables
4 *
5 * Copyright (C) 2009 Lemote Inc.
6 * Author: Hu Hongbing <huhb@lemote.com>
7 *	   Wu Zhangjin <wuzhangjin@gmail.com>
8 */
9#include <asm/asm-offsets.h>
10#include <asm/regdef.h>
11#include <asm/asm.h>
12
13.text
14LEAF(swsusp_arch_suspend)
15	PTR_LA t0, saved_regs
16	PTR_S ra, PT_R31(t0)
17	PTR_S sp, PT_R29(t0)
18	PTR_S fp, PT_R30(t0)
19	PTR_S gp, PT_R28(t0)
20	PTR_S s0, PT_R16(t0)
21	PTR_S s1, PT_R17(t0)
22	PTR_S s2, PT_R18(t0)
23	PTR_S s3, PT_R19(t0)
24	PTR_S s4, PT_R20(t0)
25	PTR_S s5, PT_R21(t0)
26	PTR_S s6, PT_R22(t0)
27	PTR_S s7, PT_R23(t0)
28	j swsusp_save
29END(swsusp_arch_suspend)
30
31LEAF(restore_image)
32	PTR_L t0, restore_pblist
330:
34	PTR_L t1, PBE_ADDRESS(t0)   /* source */
35	PTR_L t2, PBE_ORIG_ADDRESS(t0) /* destination */
36	PTR_ADDU t3, t1, _PAGE_SIZE
371:
38	REG_L t8, (t1)
39	REG_S t8, (t2)
40	PTR_ADDIU t1, t1, SZREG
41	PTR_ADDIU t2, t2, SZREG
42	bne t1, t3, 1b
43	PTR_L t0, PBE_NEXT(t0)
44	bnez t0, 0b
45	PTR_LA t0, saved_regs
46	PTR_L ra, PT_R31(t0)
47	PTR_L sp, PT_R29(t0)
48	PTR_L fp, PT_R30(t0)
49	PTR_L gp, PT_R28(t0)
50	PTR_L s0, PT_R16(t0)
51	PTR_L s1, PT_R17(t0)
52	PTR_L s2, PT_R18(t0)
53	PTR_L s3, PT_R19(t0)
54	PTR_L s4, PT_R20(t0)
55	PTR_L s5, PT_R21(t0)
56	PTR_L s6, PT_R22(t0)
57	PTR_L s7, PT_R23(t0)
58	PTR_LI v0, 0x0
59	jr ra
60END(restore_image)
61