File: suspend.h

package info (click to toggle)
linux-kernel-headers 2.6.18-7
  • links: PTS
  • area: main
  • in suites: etch, etch-m68k
  • size: 38,648 kB
  • ctags: 300,882
  • sloc: ansic: 461,192; asm: 1,555; cpp: 340; makefile: 312; sh: 110
file content (56 lines) | stat: -rw-r--r-- 1,664 bytes parent folder | download | duplicates (4)
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
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
/*
 * Copyright 2001-2003 Pavel Machek <pavel@suse.cz>
 * Based on code
 * Copyright 2001 Patrick Mochel <mochel@osdl.org>
 */
#include <asm/desc.h>
#include <asm/i387.h>

static inline int
arch_prepare_suspend(void)
{
	return 0;
}

/* Image of the saved processor state. If you touch this, fix acpi_wakeup.S. */
struct saved_context {
  	u16 ds, es, fs, gs, ss;
	unsigned long gs_base, gs_kernel_base, fs_base;
	unsigned long cr0, cr2, cr3, cr4, cr8;
	u16 gdt_pad;
	u16 gdt_limit;
	unsigned long gdt_base;
	u16 idt_pad;
	u16 idt_limit;
	unsigned long idt_base;
	u16 ldt;
	u16 tss;
	unsigned long tr;
	unsigned long safety;
	unsigned long return_address;
	unsigned long eflags;
} __attribute__((packed));

/* We'll access these from assembly, so we'd better have them outside struct */
extern unsigned long saved_context_eax, saved_context_ebx, saved_context_ecx, saved_context_edx;
extern unsigned long saved_context_esp, saved_context_ebp, saved_context_esi, saved_context_edi;
extern unsigned long saved_context_r08, saved_context_r09, saved_context_r10, saved_context_r11;
extern unsigned long saved_context_r12, saved_context_r13, saved_context_r14, saved_context_r15;
extern unsigned long saved_context_eflags;

#define loaddebug(thread,register) \
	set_debugreg((thread)->debugreg##register, register)

extern void fix_processor_context(void);

#ifdef CONFIG_ACPI_SLEEP
extern unsigned long saved_eip;
extern unsigned long saved_esp;
extern unsigned long saved_ebp;
extern unsigned long saved_ebx;
extern unsigned long saved_esi;
extern unsigned long saved_edi;

/* routines for saving/restoring kernel state */
extern int acpi_save_state_mem(void);
#endif