2007-01-13 23:57:31 +00:00
|
|
|
#ifndef _BASEMEM_H
|
|
|
|
|
#define _BASEMEM_H
|
|
|
|
|
|
|
|
|
|
/** @file
|
|
|
|
|
*
|
|
|
|
|
* Base memory allocation
|
|
|
|
|
*
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#include <stdint.h>
|
|
|
|
|
#include <realmode.h>
|
|
|
|
|
#include <bios.h>
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Read the BIOS free base memory counter
|
|
|
|
|
*
|
|
|
|
|
* @ret fbms Free base memory counter (in kB)
|
|
|
|
|
*/
|
|
|
|
|
static inline unsigned int get_fbms ( void ) {
|
|
|
|
|
uint16_t fbms;
|
|
|
|
|
|
|
|
|
|
get_real ( fbms, BDA_SEG, BDA_FBMS );
|
|
|
|
|
return fbms;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
extern void set_fbms ( unsigned int new_fbms );
|
|
|
|
|
|
|
|
|
|
/* Actually in hidemem.c, but putting it here avoids polluting the
|
|
|
|
|
* architecture-independent include/hidemem.h.
|
|
|
|
|
*/
|
|
|
|
|
extern void hide_basemem ( void );
|
|
|
|
|
|
|
|
|
|
#endif /* _BASEMEM_H */
|
