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ToyVirtualMem.h

/***************************************************************************
                          ToyVirtualMem.h  - Glue logic to simplify
    use of virtual memory and pages in toy memory manager
                             -------------------
    begin                : Sat Feb 22 2003
    copyright            : (C) 2003 by Tyler Montbriand
    email                : monttyle@heavyspace.ca
 ***************************************************************************/
#ifndef __TOYVIRTUALMEM_H__
#define __TOYVIRTUALMEM_H__

#ifdef __cplusplus
extern "C" {
#endif

int TMM_PagingEnabled(ToyMM *tmm);

int TMM_GetRealAddress(ToyMM *tmm, int process, int vaddr);

int TMM_GetNumPages(ToyMM *tmm);

int TMM_GetFramedSize(ToyMM *tmm, int size);

int TMM_VirtualToReal(ToyMM *tmm, Process *proc, int vaddr);

int TMM_GetNumFrames(ToyMM *tmm, int length);

void TMM_AssignFrame(ToyMM *tmm, int process, int frame, int page);

void TMM_EmptyFrame(ToyMM *tmm, int frame);

void TMM_FreeFrame(ToyMM *tmm, int process, int page);

int TMM_FindFreeFrame(ToyMM *tmm);

int TMM_FrameFree(ToyMM *tmm, int frame);

struct InvPageTable *TMM_GetFrame(ToyMM *tmm, int frame);

struct PageTable *TMM_GetPage(ToyMM *tmm, int process, int page);

int TMM_PageFree(ToyMM *tmm, int process, int page);

int TMM_CountFreePages(ToyMM *tmm, int process);
void TMM_IncrementLinearScan(ToyMM *tmm);
int TMM_PageSwappedOut(ToyMM *tmm, int process, int page);
int TMM_PageSwappedIn(ToyMM *tmm, int process, int page);
void TMM_MarkPageSwappedOut(ToyMM *tmm,int process,int page);
void TMM_ClearFrameStatus(ToyMM *tmm, int frame);
void TMM_SetFrameStatus(ToyMM *tmm, int frame);

#ifdef __cplusplus
  }
#endif

#endif/*__TOYVIRTUALMEM_H__*/

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