From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- arch/mips/power/hibernate.S | 62 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 arch/mips/power/hibernate.S (limited to 'arch/mips/power/hibernate.S') diff --git a/arch/mips/power/hibernate.S b/arch/mips/power/hibernate.S new file mode 100644 index 00000000..32a7c828 --- /dev/null +++ b/arch/mips/power/hibernate.S @@ -0,0 +1,62 @@ +/* + * Hibernation support specific for mips - temporary page tables + * + * Licensed under the GPLv2 + * + * Copyright (C) 2009 Lemote Inc. + * Author: Hu Hongbing + * Wu Zhangjin + */ +#include +#include +#include + +.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_ADDU 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 + jal local_flush_tlb_all /* Avoid TLB mismatch after kernel resume */ + 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) -- cgit v1.3.1