Release 4.7 arch/x86/include/asm/realmode.h

#ifndef _ARCH_X86_REALMODE_H

#define _ARCH_X86_REALMODE_H

#include <linux/types.h>
#include <asm/io.h>

/* This must match data at realmode.S */

struct real_mode_header {
	
u32	text_start;
	
u32	ro_end;
	/* SMP trampoline */
	
u32	trampoline_start;
	
u32	trampoline_status;
	
u32	trampoline_header;
#ifdef CONFIG_X86_64
	
u32	trampoline_pgd;
#endif
	/* ACPI S3 wakeup */
#ifdef CONFIG_ACPI_SLEEP
	
u32	wakeup_start;
	
u32	wakeup_header;
#endif
	/* APM/BIOS reboot */
	
u32	machine_real_restart_asm;
#ifdef CONFIG_X86_64
	
u32	machine_real_restart_seg;
#endif
};

/* This must match data at trampoline_32/64.S */

struct trampoline_header {
#ifdef CONFIG_X86_32
	
u32 start;
	
u16 gdt_pad;
	
u16 gdt_limit;
	
u32 gdt_base;
#else
	u64 start;
	u64 efer;
	u32 cr4;
#endif
};

extern struct real_mode_header *real_mode_header;
extern unsigned char real_mode_blob_end[];

extern unsigned long init_rsp;
extern unsigned long initial_code;
extern unsigned long initial_gs;

extern unsigned char real_mode_blob[];
extern unsigned char real_mode_relocs[];

#ifdef CONFIG_X86_32
extern unsigned char startup_32_smp[];
extern unsigned char boot_gdt[];
#else
extern unsigned char secondary_startup_64[];
#endif

void reserve_real_mode(void);
void setup_real_mode(void);

#endif /* _ARCH_X86_REALMODE_H */
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Directory: arch/x86/include/asm

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