]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blob - include/asm-x86/bios_ebda.h
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq
[linux-2.6-omap-h63xx.git] / include / asm-x86 / bios_ebda.h
1 #ifndef ASM_X86__BIOS_EBDA_H
2 #define ASM_X86__BIOS_EBDA_H
3
4 #include <asm/io.h>
5
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
17 void reserve_ebda_region(void);
18
19 #endif /* ASM_X86__BIOS_EBDA_H */