cachedoc.cpp

计算机体系结构中cache实现原理及解决方案的模拟程序.

}

void CCacheDoc::OnWaySize8() 
{
	m_way_select=1;
	NewBlock.CWay_Size=8;
	
}

void CCacheDoc::OnUpdateWaySize8(CCmdUI* pCmdUI) 
{
	pCmdUI->SetCheck(m_way_select==1);
	pCmdUI->Enable(m_dark);
}

/*void CCacheDoc::OnFileOpen() 
{
	// TODO: Add your command handler code here
	//CString Filename;
	AfxMessageBox("111111111111111111");
	//CFileDialog d;
	//d.DoModal();
	//Filename=d.GetPathName();
	//char name[100];
	//strcpy(name,Filename.GetBuffer(0));

}*/
BOOL CCacheDoc::OnOpenDocument(LPCTSTR lpszPathName)
{
//	TRACE("Enter doucument!");
	if(!CDocument::OnOpenDocument(lpszPathName))
		return FALSE;
//获得新打开文件的文件名
	GoodFile=readfile(lpszPathName);

	return TRUE;
}
bool CCacheDoc::readfile(LPCTSTR filename)
{//按行读入文件，并调用translate转化成二进制代码
	m_dark_begin=true;
	int i=-1;
	int j=-1;
	FILE *fp;
	//CString str="error:no such file";

	//clear();
	if((fp=fopen(filename,"r"))==NULL)
	{
		//AfxMessageBox(str);
		return false;
	}
	while(1)
	{
		i++;
		j++;
      fscanf( fp, "%c", &buffer[i]);
		while(buffer[i]==' '||buffer[i]=='\t'||buffer[i]=='\n')
			fscanf(fp, "%c", &buffer[i]);
		if(buffer[i]=='e')//文件结束
			break;
		NewBlock.CWorR=buffer[i];
		//CString c;
		//c.Format("%c",NewBlock.CWorR);
		//AfxMessageBox(c);

		fscanf(fp,"%ld",&Add_buffer[j]);
		//c.Format("%ld",&Add_buffer[j]);
		//AfxMessageBox(c);
		/*i=0;

		temp=getc(fp);
		while(temp==' '||temp=='\t'||temp=='\n')
			temp=getc(fp);
		if(temp==EOF)
			break;
		while(temp!='\n'&&temp!=EOF)
		{
			buffer[i++]=temp;
			temp=getc(fp);
			if(i>=29)
				break;
		}
		buffer[i]=0;
		standard(buffer);
		uptolow(buffer);
		//读入一行到buffer经过规整化后，传入translate
		if(!translate(&IM[N_im],buffer))
		{
			str="error:illeage instruction";
			AfxMessageBox(str);
			for(i=0;i<=N_im;i++)
			{//非法语句时，清空已经读入的语句
				IM[i]=0;
				attr[i][0]='\0';
			}
			return false;
		}
		else
		{
			strcpy(attr[N_im],buffer);
			N_im++;
		}*/
	}

	fclose(fp);
	return true;
}



/*void CCacheDoc::OnContunue() 
{
	// TODO: Add your command handler code here
//	for(int kk=0;kk<9;kk++)
//	{
	//	a1();
	//	//UpdateAllViews(NULL);
	//	Sleep(1000);
	//	if(this->NewBlock.CWorR=='e')
	//		break;
//	}
	
}*/
void CCacheDoc::a1()
{
	I_count++;
	J_count++;
	m_hit=0;
	Ins_pointer++;
	m_dark=false;
	NewBlock.CCache_Size=NewBlock.CBlock_Size*NewBlock.CSet_Size*NewBlock.CWay_Size;
	m_draw=true;
	//this->UpdateAllViews(NULL);
	this->CAddress=Add_buffer[I_count];
	this->NewBlock.CWorR=buffer[J_count];
	//long CAddress=144521;
	///////////////////////////////////读入地址和CWorR
	///////////////////////////////////Instruction+1

	Ins_Set_Num=Ins_pointer%NewBlock.CSet_Size;
	for(Ins_Count=0;Ins_Count<NewBlock.CWay_Size;Ins_Count++)//扫描是否hit!!!
	{
		if(CIns_Cache[Ins_Set_Num][Ins_Count].valid==0)
		{
			//srand(85647);
			//Ins_Count=rand()%NewBlock.CWay_Size;
			CIns_Cache[Ins_Set_Num][Ins_Count].valid=1;
			CIns_Cache[Ins_Set_Num][Ins_Count].tag=Ins_pointer/4;
			CIns_Cache[Ins_Set_Num][Ins_Count].dirty=0;
			break;
		}
		else
			int qq;
		
	}
	//开始数据的cache
	switch (NewBlock.CWorR) {
	case 'r' :
		{
			Count=0;
			Set_Num=CAddress%NewBlock.CSet_Size;//
			for(Count=0;Count<NewBlock.CWay_Size;Count++)//扫描是否hit!!!
			{
				if(CCache[Set_Num][Count].valid==1)//已被占用
				{
					if(CCache[Set_Num][Count].tag==(CAddress/4))
					{
						//AfxMessageBox("HIT!!!!!!!!!!!!!");
						m_hit=1;
						this->UpdateAllViews(NULL);
						Sleep(100);
						CCache[Set_Num][Count].valid=1;
						CCache[Set_Num][Count].tag=CAddress/4;
						CCache[Set_Num][Count].dirty=0;
						//delay();
						//Wait(m_timeout);
						break;
					}
					else    
						//AfxMessageBox("This is Not Match!!");
						//CString f;
						//f.Format("%d",this->CCache[Set_Num][Count].valid);
						//AfxMessageBox(f);
						//wait(1);
						int a;
				}
				else
					//AfxMessageBox("This is Empty!");
					int b;

			}
			if(m_hit!=1)//不命中目标
			{
				for(Count=0;Count<NewBlock.CWay_Size&&CCache[Set_Num][Count].valid==1;Count++);
				//AfxMessageBox(Count);
				if(Count==NewBlock.CWay_Size)//本set全满
				{
					//替换
					srand(85647);
					Count=rand()%NewBlock.CWay_Size;
					CCache[Set_Num][Count].valid=1;
					CCache[Set_Num][Count].tag=CAddress/4;
					CCache[Set_Num][Count].dirty=0;
					//AfxMessageBox("替换");
					this->UpdateAllViews(NULL);
					Sleep(100);
					//Wait(m_timeout);
				}
				else
				{
					CCache[Set_Num][Count].valid=1;
					CCache[Set_Num][Count].tag=CAddress/4;
					CCache[Set_Num][Count].dirty=0;
					//AfxMessageBox("miss写入");
					this->UpdateAllViews(NULL);
					Sleep(100);
				//图形表示


				}
			}

		}
		//dcache[index*cfg.asso_way+i].dirty=true;
		break;
	case 'w' :
		{
			Count=0;
			Set_Num=CAddress%NewBlock.CSet_Size;//
			for(Count=0;Count<NewBlock.CWay_Size;Count++)//扫描是否hit!!!
			{
				if(CCache[Set_Num][Count].valid==1)//已被占用
				{
					if(CCache[Set_Num][Count].tag==(CAddress/4))
					{
						//AfxMessageBox("HIT!!!!!!!!!!!!!");
						m_hit=1;
						CCache[Set_Num][Count].valid=1;
						CCache[Set_Num][Count].tag=CAddress/4;
						CCache[Set_Num][Count].dirty=0;
						this->UpdateAllViews(NULL);
						Sleep(100);
						break;
					}
					else
						//AfxMessageBox("This is Not Match!!");
						//CString f;
						//f.Format("%d",this->CCache[Set_Num][Count].valid);
						//AfxMessageBox(f);
						int c;
				}
				else
					//AfxMessageBox("This is Empty!");
					int d;

			}
			if(m_hit!=1)//不命中目标
			{
				for(Count=0;Count<NewBlock.CWay_Size&&CCache[Set_Num][Count].valid==1;Count++);
				//AfxMessageBox(Count);
				if(Count==NewBlock.CWay_Size)//本set全满
				{
					//替换
					srand(63454);
					Count=rand()%NewBlock.CWay_Size;
					CCache[Set_Num][Count].valid=1;
					CCache[Set_Num][Count].tag=CAddress/4;
					CCache[Set_Num][Count].dirty=0;
					//AfxMessageBox("替换");
					this->UpdateAllViews(NULL);
					Sleep(100);
				}
				else
				{
					CCache[Set_Num][Count].valid=1;
					CCache[Set_Num][Count].tag=CAddress/4;
					CCache[Set_Num][Count].dirty=0;
					//AfxMessageBox("miss写入");

					this->UpdateAllViews(NULL);
					Sleep(100);
				//图形表示


				}
			}
		}
		//delay+=cfg.store_delay;
		break;
	case 'b':
		{
			Count=0;
			Set_Num=CAddress%NewBlock.CSet_Size;//
			for(Count=0;Count<NewBlock.CWay_Size;Count++)//扫描是否hit!!!
			{
				if(CCache[Set_Num][Count].valid==1)//已被占用
				{
					if(CCache[Set_Num][Count].tag==(CAddress/4))
					{
						//AfxMessageBox("HIT!!!!!!!!!!!!!");
						m_hit=1;
						CCache[Set_Num][Count].valid=1;
						CCache[Set_Num][Count].tag=CAddress/4;
						CCache[Set_Num][Count].dirty=1;
						this->UpdateAllViews(NULL);
						Sleep(100);
						break;
					}
					else
						//AfxMessageBox("This is Not Match!!");
						//CString f;
						//f.Format("%d",this->CCache[Set_Num][Count].valid);
						//AfxMessageBox(f);
						int e;
				}
				else
					//AfxMessageBox("This is Empty!");
					int g;

			}
			if(m_hit!=1)//不命中目标
			{
				for(Count=0;Count<NewBlock.CWay_Size&&CCache[Set_Num][Count].valid==1;Count++);
				//AfxMessageBox(Count);
				if(Count==NewBlock.CWay_Size)//本set全满
				{
					//替换
					srand(8675);
					Count=rand()%NewBlock.CWay_Size;
					CCache[Set_Num][Count].valid=1;
					CCache[Set_Num][Count].tag=CAddress/4;
					CCache[Set_Num][Count].dirty=1;
					//AfxMessageBox("替换");
					this->UpdateAllViews(NULL);
					Sleep(100);
				}
				else
				{
					CCache[Set_Num][Count].valid=1;
					CCache[Set_Num][Count].tag=CAddress/4;
					CCache[Set_Num][Count].dirty=1;
					//AfxMessageBox("miss写入");

					this->UpdateAllViews(NULL);
					Sleep(100);
				//图形表示


				}
			}
		}
		break;
	}//End Of Switch

	
}

void CCacheDoc::OnUpdateEditDo(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
		pCmdUI->Enable(m_dark_begin);

	
}

void CCacheDoc::OnUpdateContinu(CCmdUI* pCmdUI) 
{
	pCmdUI->Enable(m_dark_begin);
	
}