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363c55ca WZ |
1 | /* |
2 | * Hibernation support specific for mips - temporary page tables | |
3 | * | |
4 | * Licensed under the GPLv2 | |
5 | * | |
f7a904df | 6 | * Copyright (C) 2009 Lemote Inc. |
363c55ca | 7 | * Author: Hu Hongbing <huhb@lemote.com> |
70342287 | 8 | * Wu Zhangjin <wuzhangjin@gmail.com> |
363c55ca WZ |
9 | */ |
10 | #include <asm/asm-offsets.h> | |
11 | #include <asm/regdef.h> | |
12 | #include <asm/asm.h> | |
13 | ||
14 | .text | |
15 | LEAF(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 | |
30 | END(swsusp_arch_suspend) | |
31 | ||
32 | LEAF(swsusp_arch_resume) | |
33 | PTR_L t0, restore_pblist | |
34 | 0: | |
35 | PTR_L t1, PBE_ADDRESS(t0) /* source */ | |
36 | PTR_L t2, PBE_ORIG_ADDRESS(t0) /* destination */ | |
bef9ae3d | 37 | PTR_ADDU t3, t1, _PAGE_SIZE |
363c55ca WZ |
38 | 1: |
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 | |
363c55ca WZ |
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 | |
61 | END(swsusp_arch_resume) |