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Macros | Functions
a20.c File Reference
#include "boot.h"

Go to the source code of this file.

Macros

#define MAX_8042_LOOPS   100000
 
#define MAX_8042_FF   32
 
#define A20_TEST_ADDR   (4*0x80)
 
#define A20_TEST_SHORT   32
 
#define A20_TEST_LONG   2097152 /* 2^21 */
 
#define A20_ENABLE_LOOPS   255 /* Number of times to try */
 

Functions

int enable_a20 (void)
 

Macro Definition Documentation

#define A20_ENABLE_LOOPS   255 /* Number of times to try */

Definition at line 128 of file a20.c.

#define A20_TEST_ADDR   (4*0x80)

Definition at line 52 of file a20.c.

#define A20_TEST_LONG   2097152 /* 2^21 */

Definition at line 54 of file a20.c.

#define A20_TEST_SHORT   32

Definition at line 53 of file a20.c.

#define MAX_8042_FF   32

Definition at line 19 of file a20.c.

#define MAX_8042_LOOPS   100000

Definition at line 18 of file a20.c.

Function Documentation

int enable_a20 ( void  )

Definition at line 130 of file a20.c.