1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Hibernation support specific for mips - tem
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
14 LEAF(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
29 END(swsusp_arch_suspend)
30
31 LEAF(restore_image)
32 PTR_L t0, restore_pblist
33 0:
34 PTR_L t1, PBE_ADDRESS(t0) /* source
35 PTR_L t2, PBE_ORIG_ADDRESS(t0) /* dest
36 PTR_ADDU t3, t1, _PAGE_SIZE
37 1:
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
60 END(restore_image)
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