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ToyMem.h

/***************************************************************************
                          ToyMem.h  -  description
                             -------------------
    begin                : Sat Jan 25 2003
    copyright            : (C) 2003 by Tyler Montbriand
    student #            : 200200370
    class                : CS330
    email                : monttyle@heavyspace.ca 
***************************************************************************/

#ifndef __TOYMEM_H__
#define __TOYMEM_H__

#ifdef __cplusplus
  extern "C" {
#endif/*__cplusplus*/


#define MAX_PROCESSES 10

#define MIN_MEMSIZE   1000

#define TMM_CONSOLE_PROMPT "[%03d]$ "

typedef struct InvPageTable
{
  int ID;
  int page;
  int status;
} InvPageTable;

typedef struct ToyMM
{
  struct Process *processList[MAX_PROCESSES];
  union ToyMem   *mem;
  int             memSize;
  struct SegList *memFree;
  int             pageSize;  
  InvPageTable   *invPageTable;
/*  int             freePages;*/
  int             page;
  FILE            *swap;

  int              watchPaging;
} ToyMM;

typedef enum ErrMessage_t
{
  ERR_UNKNOWN=-1,
  ERR_INVALIDINPUT=0,
  ERR_PROCESSEXISTS=1,
  ERR_NOFILE,
  ERR_INVALIDFILE,
  ERR_DATAOVERFLOW,
  ERR_INVALIDINSTRUCTION,
  ERR_INVALIDDATA,
  ERR_INSUFFICIENTMEM,
  ERR_INVALIDADDRESS,
  ERR_NOPROCESS,
  ERR_NOPRIVILEGE,
  ERR_PARSEEND,
  ERR_UNIMPLEMENTED,
  ERR_HEAPFULL,
  ERR_BADFREEHEAPADDRESS,
  ERR_BADREALLOCADDRESS,
  ERR_INVALIDPAGESIZE,
  ERR_NOPAGING,
  ERR_NOENABLEPAGEPRIVELEGE,
  ERR_NONE
} ErrMessage_t;


ToyMM *TMM_Create(int memsize);

ErrMessage_t TMM_Free(ToyMM *tmm);

int TMM_ParseFile(const char *fname, ToyMM *tm);

int TMM_ParseFilePtr(FILE *fp, ToyMM *tm, int prompt);


#ifdef __cplusplus
  }
#endif/*__cplusplus*/
 
#endif/*__TOYMEM_H__*/

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