include/asm-x86/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_64_SUSPEND_H
   7 #define __ASM_X86_64_SUSPEND_H
   8
   9 #include <asm/desc.h>
  10 #include <asm/i387.h>
  11
  12 static inline int
  13 arch_prepare_suspend(void)
  14 {
  15         return 0;
  16 }
  17
  18 /* Image of the saved processor state. If you touch this, fix acpi/wakeup.S. */
  19 struct saved_context {
  20         struct pt_regs regs;
  21         u16 ds, es, fs, gs, ss;
  22         unsigned long gs_base, gs_kernel_base, fs_base;
  23         unsigned long cr0, cr2, cr3, cr4, cr8;
  24         unsigned long efer;
  25         u16 gdt_pad;
  26         u16 gdt_limit;
  27         unsigned long gdt_base;
  28         u16 idt_pad;
  29         u16 idt_limit;
  30         unsigned long idt_base;
  31         u16 ldt;
  32         u16 tss;
  33         unsigned long tr;
  34         unsigned long safety;
  35         unsigned long return_address;
  36 } __attribute__((packed));
  37
  38 #define loaddebug(thread,register) \
  39         set_debugreg((thread)->debugreg##register, register)
  40
  41 extern void fix_processor_context(void);
  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_64_SUSPEND_H */