[mirror_ubuntu-zesty-kernel.git] / include / asm-x86 / mach-default / bios_ebda.h

#ifndef _MACH_BIOS_EBDA_H
#define _MACH_BIOS_EBDA_H

/*
 * there is a real-mode segmented pointer pointing to the
 * 4K EBDA area at 0x40E.
 */
static inline unsigned int get_bios_ebda(void)
{
	unsigned int address = *(unsigned short *)phys_to_virt(0x40E);
	address <<= 4;
	return address;	/* 0 means none */
}

#endif /* _MACH_BIOS_EBDA_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _MACH_BIOS_EBDA_H
	2	#define _MACH_BIOS_EBDA_H
	3
	4	/*
	5	* there is a real-mode segmented pointer pointing to the
	6	* 4K EBDA area at 0x40E.
	7	*/
	8	static inline unsigned int get_bios_ebda(void)
	9	{
	10	unsigned int address = (unsigned short )phys_to_virt(0x40E);
	11	address <<= 4;
	12	return address; /* 0 means none */
	13	}
	14
	15	#endif /* _MACH_BIOS_EBDA_H */