[deliverable/linux.git] / arch / x86 / realmode / rm / wakeup.h

/*
 * Definitions for the wakeup data structure at the head of the
 * wakeup code.
 */

#ifndef ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H
#define ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H

#ifndef __ASSEMBLY__
#include <linux/types.h>

/* This must match data at wakeup.S */
struct wakeup_header {
	u16 video_mode;		/* Video mode number */
	u32 pmode_entry;	/* Protected mode resume point, 32-bit only */
	u16 pmode_cs;
	u32 pmode_cr0;		/* Protected mode cr0 */
	u32 pmode_cr3;		/* Protected mode cr3 */
	u32 pmode_cr4;		/* Protected mode cr4 */
	u32 pmode_efer_low;	/* Protected mode EFER */
	u32 pmode_efer_high;
	u64 pmode_gdt;
	u32 pmode_misc_en_low;	/* Protected mode MISC_ENABLE */
	u32 pmode_misc_en_high;
	u32 pmode_behavior;	/* Wakeup routine behavior flags */
	u32 realmode_flags;
	u32 real_magic;
	u32 signature;		/* To check we have correct structure */
} __attribute__((__packed__));

extern struct wakeup_header wakeup_header;
#endif

#define WAKEUP_HEADER_OFFSET	8
#define WAKEUP_HEADER_SIGNATURE 0x51ee1111

/* Wakeup behavior bits */
#define WAKEUP_BEHAVIOR_RESTORE_MISC_ENABLE     0
#define WAKEUP_BEHAVIOR_RESTORE_CR4		1
#define WAKEUP_BEHAVIOR_RESTORE_EFER		2

#endif /* ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H */
Commit	Line	Data
e44b7b75 PM	1	/*
	2	* Definitions for the wakeup data structure at the head of the
	3	* wakeup code.
	4	*/
	5
	6	#ifndef ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H
	7	#define ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H
	8
	9	#ifndef __ASSEMBLY__
	10	#include <linux/types.h>
	11
	12	/* This must match data at wakeup.S */
	13	struct wakeup_header {
	14	u16 video_mode; /* Video mode number */
e44b7b75	15	u32 pmode_entry; /* Protected mode resume point, 32-bit only */
c9b77ccb	16	u16 pmode_cs;
e44b7b75 PM	17	u32 pmode_cr0; /* Protected mode cr0 */
	18	u32 pmode_cr3; /* Protected mode cr3 */
	19	u32 pmode_cr4; /* Protected mode cr4 */
	20	u32 pmode_efer_low; /* Protected mode EFER */
	21	u32 pmode_efer_high;
	22	u64 pmode_gdt;
7a313666 KC	23	u32 pmode_misc_en_low; /* Protected mode MISC_ENABLE */
	24	u32 pmode_misc_en_high;
	25	u32 pmode_behavior; /* Wakeup routine behavior flags */
e44b7b75 PM	26	u32 realmode_flags;
e44b7b75 PM	27	u32 real_magic;
e44b7b75 PM	28	u32 signature; /* To check we have correct structure */
	29	} __attribute__((__packed__));
	30
	31	extern struct wakeup_header wakeup_header;
	32	#endif
	33
d1ee4335 PA	34	#define WAKEUP_HEADER_OFFSET 8
d1ee4335 PA	35	#define WAKEUP_HEADER_SIGNATURE 0x51ee1111
e44b7b75	36
7a313666 KC	37	/* Wakeup behavior bits */
7a313666 KC	38	#define WAKEUP_BEHAVIOR_RESTORE_MISC_ENABLE 0
73201dbe PA	39	#define WAKEUP_BEHAVIOR_RESTORE_CR4 1
73201dbe PA	40	#define WAKEUP_BEHAVIOR_RESTORE_EFER 2
7a313666	41
e44b7b75	42	#endif /* ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H */