/* * Copyright 2001-2003 Pavel Machek <pavel@suse.cz> * Based on code * Copyright 2001 Patrick Mochel <mochel@osdl.org> */ #ifndef __ASM_X86_64_SUSPEND_H #define __ASM_X86_64_SUSPEND_H #include <asm/desc.h> #include <asm/i387.h> static inline int arch_prepare_suspend(void) { return 0; } /* * Image of the saved processor state, used by the low level ACPI suspend to * RAM code and by the low level hibernation code. * * If you modify it, fix arch/x86/kernel/acpi/wakeup_64.S and make sure that * __save/__restore_processor_state(), defined in arch/x86/kernel/suspend_64.c, * still work as required. */ struct saved_context { struct pt_regs regs; u16 ds, es, fs, gs, ss; unsigned long gs_base, gs_kernel_base, fs_base; unsigned long cr0, cr2, cr3, cr4, cr8; unsigned long efer; 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; } __attribute__((packed)); #define loaddebug(thread,register) \ set_debugreg((thread)->debugreg##register, register) /* routines for saving/restoring kernel state */ extern int acpi_save_state_mem(void); extern char core_restore_code; extern char restore_registers; #endif /* __ASM_X86_64_SUSPEND_H */