#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 */ | |
} | |
#endif /* _MACH_BIOS_EBDA_H */ |