[deliverable/linux.git] / arch / x86 / include / asm / suspend_64.h

/*
 * Copyright 2001-2003 Pavel Machek <pavel@suse.cz>
 * Based on code
 * Copyright 2001 Patrick Mochel <mochel@osdl.org>
 */
#ifndef _ASM_X86_SUSPEND_64_H
#define _ASM_X86_SUSPEND_64_H

#include <asm/desc.h>
#include <asm/fpu/api.h>

/*
 * 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;
	u64 misc_enable;
	bool misc_enable_saved;
	unsigned long efer;
	u16 gdt_pad; /* Unused */
	struct desc_ptr gdt_desc;
	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_SUSPEND_64_H */
Commit	Line	Data
	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/fpu/api.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 */