Release 4.9 arch/x86/include/asm/bios_ebda.h

#ifndef _ASM_X86_BIOS_EBDA_H

#define _ASM_X86_BIOS_EBDA_H

#include <asm/io.h>

/*
 * Returns physical address of EBDA.  Returns 0 if there is no EBDA.
 */


static inline unsigned int get_bios_ebda(void)
{
	/*
         * There is a real-mode segmented pointer pointing to the
         * 4K EBDA area at 0x40E.
         */
	unsigned int address = *(unsigned short *)phys_to_virt(0x40E);
	address <<= 4;
	return address;	/* 0 means none */
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
alan cox
alan cox
33
97.06%
1
50.00%
mike waychison
mike waychison
1
2.94%
1
50.00%
Total
34
100.00%
2
100.00%

void reserve_bios_regions(void);

#ifdef CONFIG_X86_CHECK_BIOS_CORRUPTION
/*
 * This is obviously not a great place for this, but we want to be
 * able to scatter it around anywhere in the kernel.
 */
void check_for_bios_corruption(void);
void start_periodic_check_for_corruption(void);
#else


static inline void check_for_bios_corruption(void)
{
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
ingo molnar
ingo molnar
8
100.00%
1
100.00%
Total
8
100.00%
1
100.00%



static inline void start_periodic_check_for_corruption(void)
{
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
ingo molnar
ingo molnar
8
100.00%
1
100.00%
Total
8
100.00%
1
100.00%

#endif

#endif /* _ASM_X86_BIOS_EBDA_H */
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
alan cox
alan cox
39
43.82%
1
14.29%
ingo molnar
ingo molnar
37
41.57%
2
28.57%
huang ying
huang ying
5
5.62%
1
14.29%
h. peter anvin
h. peter anvin
3
3.37%
1
14.29%
akinobu mita
akinobu mita
3
3.37%
1
14.29%
mike waychison
mike waychison
2
2.25%
1
14.29%
Total
89
100.00%
7
100.00%
  
Directory: arch/x86/include/asm