LXR linux/arch/x86/include/asm/suspend

   1/*
   2 * Copyright 2001-2003 Pavel Machek <pavel@suse.cz>
   3 * Based on code
   4 * Copyright 2001 Patrick Mochel <mochel@osdl.org>
   5 */
   6#ifndef _ASM_X86_SUSPEND_64_H
   7#define _ASM_X86_SUSPEND_64_H
   8
   9#include <asm/desc.h>
  10#include <asm/i387.h>
  11
  12/*
  13 * Image of the saved processor state, used by the low level ACPI suspend to
  14 * RAM code and by the low level hibernation code.
  15 *
  16 * If you modify it, fix arch/x86/kernel/acpi/wakeup_64.S and make sure that
  17 * __save/__restore_processor_state(), defined in arch/x86/kernel/suspend_64.c,
  18 * still work as required.
  19 */
  20struct saved_context {
  21        struct pt_regs regs;
  22        u16 ds, es, fs, gs, ss;
  23        unsigned long gs_base, gs_kernel_base, fs_base;
  24        unsigned long cr0, cr2, cr3, cr4, cr8;
  25        u64 misc_enable;
  26        bool misc_enable_saved;
  27        unsigned long efer;
  28        u16 gdt_pad;
  29        u16 gdt_limit;
  30        unsigned long gdt_base;
  31        u16 idt_pad;
  32        u16 idt_limit;
  33        unsigned long idt_base;
  34        u16 ldt;
  35        u16 tss;
  36        unsigned long tr;
  37        unsigned long safety;
  38        unsigned long return_address;
  39} __attribute__((packed));
  40
  41#define loaddebug(thread,register) \
  42        set_debugreg((thread)->debugreg##register, register)
  43
  44/* routines for saving/restoring kernel state */
  45extern int acpi_save_state_mem(void);
  46extern char core_restore_code;
  47extern char restore_registers;
  48
  49#endif /* _ASM_X86_SUSPEND_64_H */
  50