/* SPDX-License-Identifier: GPL-2.0 */ /* * Hibernation support specific for LoongArch * * Author: Huacai Chen * Copyright (C) 2020-2022 Loongson Technology Corporation Limited */ #include #include #include #include .text SYM_FUNC_START(swsusp_asm_suspend) la.pcrel t0, saved_regs PTR_S ra, t0, PT_R1 PTR_S tp, t0, PT_R2 PTR_S sp, t0, PT_R3 PTR_S u0, t0, PT_R21 PTR_S fp, t0, PT_R22 PTR_S s0, t0, PT_R23 PTR_S s1, t0, PT_R24 PTR_S s2, t0, PT_R25 PTR_S s3, t0, PT_R26 PTR_S s4, t0, PT_R27 PTR_S s5, t0, PT_R28 PTR_S s6, t0, PT_R29 PTR_S s7, t0, PT_R30 PTR_S s8, t0, PT_R31 b swsusp_save SYM_FUNC_END(swsusp_asm_suspend) SYM_FUNC_START(swsusp_asm_resume) la.pcrel t0, restore_pblist PTR_L t0, t0, 0 0: PTR_L t1, t0, PBE_ADDRESS /* source */ PTR_L t2, t0, PBE_ORIG_ADDRESS /* destination */ PTR_LI t3, _PAGE_SIZE PTR_ADD t3, t3, t1 1: REG_L t8, t1, 0 REG_S t8, t2, 0 PTR_ADDI t1, t1, SZREG PTR_ADDI t2, t2, SZREG bne t1, t3, 1b PTR_L t0, t0, PBE_NEXT bnez t0, 0b la.pcrel t0, saved_regs PTR_L ra, t0, PT_R1 PTR_L tp, t0, PT_R2 PTR_L sp, t0, PT_R3 PTR_L u0, t0, PT_R21 PTR_L fp, t0, PT_R22 PTR_L s0, t0, PT_R23 PTR_L s1, t0, PT_R24 PTR_L s2, t0, PT_R25 PTR_L s3, t0, PT_R26 PTR_L s4, t0, PT_R27 PTR_L s5, t0, PT_R28 PTR_L s6, t0, PT_R29 PTR_L s7, t0, PT_R30 PTR_L s8, t0, PT_R31 PTR_LI a0, 0x0 jirl zero, ra, 0 SYM_FUNC_END(swsusp_asm_resume)