arch/x86/include/asm/suspend_64.h

   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  */
  20 struct 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; /* Unused */
  29         struct desc_ptr gdt_desc;
  30         u16 idt_pad;
  31         u16 idt_limit;
  32         unsigned long idt_base;
  33         u16 ldt;
  34         u16 tss;
  35         unsigned long tr;
  36         unsigned long safety;
  37         unsigned long return_address;
  38 } __attribute__((packed));
  39
  40 #define loaddebug(thread,register) \
  41         set_debugreg((thread)->debugreg##register, register)
  42
  43 /* routines for saving/restoring kernel state */
  44 extern int acpi_save_state_mem(void);
  45 extern char core_restore_code;
  46 extern char restore_registers;
  47
  48 #endif /* _ASM_X86_SUSPEND_64_H */