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/regdef.h>
12#include <asm/asm.h>
13
14.text
15LEAF(swsusp_arch_suspend)
16	PTR_LA t0, saved_regs
17	PTR_S ra, PT_R31(t0)
18	PTR_S sp, PT_R29(t0)
19	PTR_S fp, PT_R30(t0)
20	PTR_S gp, PT_R28(t0)
21	PTR_S s0, PT_R16(t0)
22	PTR_S s1, PT_R17(t0)
23	PTR_S s2, PT_R18(t0)
24	PTR_S s3, PT_R19(t0)
25	PTR_S s4, PT_R20(t0)
26	PTR_S s5, PT_R21(t0)
27	PTR_S s6, PT_R22(t0)
28	PTR_S s7, PT_R23(t0)
29	j swsusp_save
30END(swsusp_arch_suspend)
31
32LEAF(restore_image)
33	PTR_L t0, restore_pblist
340:
35	PTR_L t1, PBE_ADDRESS(t0)   /* source */
36	PTR_L t2, PBE_ORIG_ADDRESS(t0) /* destination */
37	PTR_ADDU t3, t1, _PAGE_SIZE
381:
39	REG_L t8, (t1)
40	REG_S t8, (t2)
41	PTR_ADDIU t1, t1, SZREG
42	PTR_ADDIU t2, t2, SZREG
43	bne t1, t3, 1b
44	PTR_L t0, PBE_NEXT(t0)
45	bnez t0, 0b
46	PTR_LA t0, saved_regs
47	PTR_L ra, PT_R31(t0)
48	PTR_L sp, PT_R29(t0)
49	PTR_L fp, PT_R30(t0)
50	PTR_L gp, PT_R28(t0)
51	PTR_L s0, PT_R16(t0)
52	PTR_L s1, PT_R17(t0)
53	PTR_L s2, PT_R18(t0)
54	PTR_L s3, PT_R19(t0)
55	PTR_L s4, PT_R20(t0)
56	PTR_L s5, PT_R21(t0)
57	PTR_L s6, PT_R22(t0)
58	PTR_L s7, PT_R23(t0)
59	PTR_LI v0, 0x0
60	jr ra
61END(restore_image)
62