[deliverable/linux.git] / include / asm-x86 / bios_ebda.h

#ifndef _MACH_BIOS_EBDA_H
#define _MACH_BIOS_EBDA_H

#include <asm/io.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 */
}

void reserve_ebda_region(void);

#endif /* _MACH_BIOS_EBDA_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _MACH_BIOS_EBDA_H
	2	#define _MACH_BIOS_EBDA_H
	3
2c0903f2 AM	4	#include <asm/io.h>
2c0903f2 AM	5
1da177e4 LT	6	/*
	7	* there is a real-mode segmented pointer pointing to the
	8	* 4K EBDA area at 0x40E.
	9	*/
	10	static inline unsigned int get_bios_ebda(void)
	11	{
	12	unsigned int address = (unsigned short )phys_to_virt(0x40E);
	13	address <<= 4;
	14	return address; /* 0 means none */
	15	}
	16
0c51a965 HY	17	void reserve_ebda_region(void);
0c51a965 HY	18
1da177e4	19	#endif /* _MACH_BIOS_EBDA_H */