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35 lines
711 B
35 lines
711 B
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* swsusp.c - SuperH hibernation support |
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* |
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* Copyright (C) 2009 Magnus Damm |
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*/ |
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#include <linux/mm.h> |
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#include <linux/sched.h> |
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#include <linux/suspend.h> |
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#include <asm/suspend.h> |
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#include <asm/sections.h> |
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#include <asm/tlbflush.h> |
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#include <asm/page.h> |
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#include <asm/fpu.h> |
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struct swsusp_arch_regs swsusp_arch_regs_cpu0; |
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int pfn_is_nosave(unsigned long pfn) |
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{ |
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unsigned long begin_pfn = __pa(&__nosave_begin) >> PAGE_SHIFT; |
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unsigned long end_pfn = PAGE_ALIGN(__pa(&__nosave_end)) >> PAGE_SHIFT; |
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return (pfn >= begin_pfn) && (pfn < end_pfn); |
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} |
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void save_processor_state(void) |
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{ |
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init_fpu(current); |
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} |
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void restore_processor_state(void) |
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{ |
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local_flush_tlb_all(); |
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}
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