tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel / include / asm-x86 / mach-default / bios_ebda.h
at c9a28fa7b9ac19b676deefa0a171ce7df8755c08 15 lines 343 B view raw
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 */ 8static 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 */