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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 */ |