vmm.h

/**************************************************************************************
 Copyright (c) 2002 The UbixOS Project
 All rights reserved.

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 $Id$

**************************************************************************************/

#ifndef _VMM_H
#define _VMM_H

#include <vmm/paging.h>
#include <ubixos/types.h>

#define memAvail     1
#define memNotavail  2
#define vmmID       -3
#define vmmMemoryMapAddr 0xE6667000

typedef struct {
  uLong  pageAddr;
  uShort status;
  pid_t  pid;
  int    cowCounter;
  } mMap;

extern mMap *vmmMemoryMap;
extern int numPages;
extern uInt32 freePages;

int vmmInit();
int vmmMemMapInit();
int countMemory();
uInt32 vmmFindFreePage(pidType pid);
int freePage(uInt32 pageAddr);
int adjustCowCounter(uInt32 baseAddr,int adjustment);
void vmmFreeProcessPages(pidType pid);

#endif

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