suspend_64.h 1.3 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748
  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. #include <asm/desc.h>
  9. #include <asm/i387.h>
  10. /*
  11. * Image of the saved processor state, used by the low level ACPI suspend to
  12. * RAM code and by the low level hibernation code.
  13. *
  14. * If you modify it, fix arch/x86/kernel/acpi/wakeup_64.S and make sure that
  15. * __save/__restore_processor_state(), defined in arch/x86/kernel/suspend_64.c,
  16. * still work as required.
  17. */
  18. struct saved_context {
  19. struct pt_regs regs;
  20. u16 ds, es, fs, gs, ss;
  21. unsigned long gs_base, gs_kernel_base, fs_base;
  22. unsigned long cr0, cr2, cr3, cr4, cr8;
  23. u64 misc_enable;
  24. bool misc_enable_saved;
  25. unsigned long efer;
  26. u16 gdt_pad; /* Unused */
  27. struct desc_ptr gdt_desc;
  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. #define loaddebug(thread,register) \
  38. set_debugreg((thread)->debugreg##register, register)
  39. /* routines for saving/restoring kernel state */
  40. extern int acpi_save_state_mem(void);
  41. extern char core_restore_code;
  42. extern char restore_registers;
  43. #endif /* _ASM_X86_SUSPEND_64_H */