/* | |
* Hibernation support specific for mips - temporary page tables | |
* | |
* Licensed under the GPLv2 | |
* | |
* Copyright (C) 2009 Lemote Inc. | |
* Author: Hu Hongbing <huhb@lemote.com> | |
* Wu Zhangjin <wuzhangjin@gmail.com> | |
*/ | |
#include <asm/asm-offsets.h> | |
#include <asm/page.h> | |
#include <asm/regdef.h> | |
#include <asm/asm.h> | |
.text | |
LEAF(swsusp_arch_suspend) | |
PTR_LA t0, saved_regs | |
PTR_S ra, PT_R31(t0) | |
PTR_S sp, PT_R29(t0) | |
PTR_S fp, PT_R30(t0) | |
PTR_S gp, PT_R28(t0) | |
PTR_S s0, PT_R16(t0) | |
PTR_S s1, PT_R17(t0) | |
PTR_S s2, PT_R18(t0) | |
PTR_S s3, PT_R19(t0) | |
PTR_S s4, PT_R20(t0) | |
PTR_S s5, PT_R21(t0) | |
PTR_S s6, PT_R22(t0) | |
PTR_S s7, PT_R23(t0) | |
j swsusp_save | |
END(swsusp_arch_suspend) | |
LEAF(swsusp_arch_resume) | |
PTR_L t0, restore_pblist | |
0: | |
PTR_L t1, PBE_ADDRESS(t0) /* source */ | |
PTR_L t2, PBE_ORIG_ADDRESS(t0) /* destination */ | |
PTR_ADDIU t3, t1, PAGE_SIZE | |
1: | |
REG_L t8, (t1) | |
REG_S t8, (t2) | |
PTR_ADDIU t1, t1, SZREG | |
PTR_ADDIU t2, t2, SZREG | |
bne t1, t3, 1b | |
PTR_L t0, PBE_NEXT(t0) | |
bnez t0, 0b | |
PTR_LA t0, saved_regs | |
PTR_L ra, PT_R31(t0) | |
PTR_L sp, PT_R29(t0) | |
PTR_L fp, PT_R30(t0) | |
PTR_L gp, PT_R28(t0) | |
PTR_L s0, PT_R16(t0) | |
PTR_L s1, PT_R17(t0) | |
PTR_L s2, PT_R18(t0) | |
PTR_L s3, PT_R19(t0) | |
PTR_L s4, PT_R20(t0) | |
PTR_L s5, PT_R21(t0) | |
PTR_L s6, PT_R22(t0) | |
PTR_L s7, PT_R23(t0) | |
PTR_LI v0, 0x0 | |
jr ra | |
END(swsusp_arch_resume) |