#ifndef __DISK_H__
#define __DISK_H__

#define BLOCK_SIZE 4096
#define DISK_SIZE  (1024*1024*16)
#define MAX_BLOCK  (DISK_SIZE/BLOCK_SIZE)

/* keeps track of the number of read and writes */
extern unsigned numwrites;
extern unsigned numreads;

/* ReadBlock - read block from disk into physical memory */
/* WriteBlock - write block from phys memory unto disk */
void ReadBlock(unsigned block, unsigned long paddress);
void WriteBlock(unsigned block, unsigned long paddress);

#endif