blob: df707a8ad3117074805e138a3992a7e080d43e5a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
/*
* hibernate.c: Hibernaton support specific for sparc64.
*
* Copyright (C) 2013 Kirill V Tkhai (tkhai@yandex.ru)
*/
#include <linux/mm.h>
#include <asm/hibernate.h>
#include <asm/visasm.h>
#include <asm/page.h>
#include <asm/sections.h>
#include <asm/tlb.h>
struct saved_context saved_context;
/*
* pfn_is_nosave - check if given pfn is in the 'nosave' section
*/
int pfn_is_nosave(unsigned long pfn)
{
unsigned long nosave_begin_pfn = PFN_DOWN((unsigned long)&__nosave_begin);
unsigned long nosave_end_pfn = PFN_DOWN((unsigned long)&__nosave_end);
return (pfn >= nosave_begin_pfn) && (pfn < nosave_end_pfn);
}
void save_processor_state(void)
{
save_and_clear_fpu();
}
void restore_processor_state(void)
{
struct mm_struct *mm = current->active_mm;
tsb_context_switch_ctx(mm, CTX_HWBITS(mm->context));
}
|
