| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ | ||||