cpu.h

本程序用systemC仿真UART的功能

#include <systemc.h>
#include "uart_if.h"

//#include "uart.h"
class cpu
:public sc_module
{
public:
	sc_port<uart_if>	uart_port;

	SC_HAS_PROCESS(cpu);
	void action();

	cpu(sc_module_name name_)
		:sc_module(name_)

	{	
		 pc_count=0;
		 data=2;
		 rw=0;
		
		 ulcon=0x28;//5bib data,1bit stop,1bit start,even parity
		 ucon=0;
		 ufcon=0x7;
		 umcon=0;
		
		 ufstat=0x20;
		 uerstat=0;
		 umstat=0;	
		 ubrdiv=20;
		 utxh=0;
		 urxh=0;
		
		SC_THREAD(action);
	
	}
 
private:	    
        	unsigned int pc_count;
	
	
		unsigned int		ulcon;		//0x00
		unsigned int		ucon;		//0x04
		unsigned int		ufcon;		//0x08
		unsigned int		umcon;		//0x0c
		unsigned int		utrstat;	//0x10
		unsigned int		uerstat;	//0x14
		unsigned int		ufstat;		//0x18
		unsigned int		umstat;		//0x1c
		unsigned int		utxh;		//0x20
		unsigned int		urxh;		//0x24
		unsigned int		ubrdiv;		//0x28
		int  rw;
	       	unsigned int data;
		


};

void cpu::action()
{	
	while(true)
	{
		pc_count++;
	//	cout<<" pc_count:"<<pc_count<<endl;
	//	cout<<"uart is running"<<pc_count<<endl;
	//	if(pc_count==21){
	//		cout<<"pc_count====+++++="<<endl;
	//	}
		uart_port->uart_action(pc_count);
		
		
		if(pc_count==1)
		{ 
			
			uart_port->uartrw_rw(ADDR_ULCON,&ulcon,rw);
		}
		
		if(pc_count==2)
		{
	
			uart_port->uartrw_rw(ADDR_UCON,&ucon,rw);
		}
		
		if(pc_count==3)
		{
		        
			uart_port->uartrw_rw(ADDR_UFCON,&ufcon,rw);
		}
		
		if(pc_count==4)
		{
			
			uart_port->uartrw_rw(ADDR_UMCON,&umcon,rw);
		}
		
		
		if(pc_count==5)
		{
			utrstat=0;
			rw=1;
			uart_port->uartrw_rw(ADDR_UTRSTAT,&utrstat,rw);
		}
		if(pc_count==6)
		{
			rw=1;
		    uart_port->uartrw_rw(ADDR_UERSTAT,&uerstat,rw);//register initial value
		}
		
		if(pc_count==7)
			
		{	rw=1;
			uart_port->uartrw_rw(ADDR_UFSTAT,&ufstat,rw);
		}
		
		if(pc_count==8)
		{
			rw=1;
			uart_port->uartrw_rw(ADDR_UMSTAT,&umstat,rw);
		}
		if(pc_count==9)
		{
			rw=0;
			
			uart_port->uartrw_rw(ADDR_UBRDIV,&ubrdiv,rw);
		}
		if(pc_count==16)
		{
			rw=0;
			utxh='a';
			uart_port->uartrw_rw(ADDR_UTXH,&utxh,rw);
		}
		if(pc_count==20)
		{
			rw=1;
			uart_port->uartrw_rw(ADDR_URXH,&urxh,rw);
		}
		if(pc_count==60)
		{
			rw=0;
			utxh=50;
			uart_port->uartrw_rw(ADDR_UTXH,&utxh,rw);
		}		
		if(pc_count==61)
		{
			rw=1;
			uart_port->uartrw_rw(ADDR_URXH,&urxh,rw);
		}
		if(pc_count==200)
		{
			rw=1;
			uart_port->uartrw_rw(ADDR_UTRSTAT,&utrstat,rw);
		}

		//	if(pc_count==48)
		//	{
		//		rw=1;
		//		uart_port->uartrw_rw(ADDR_URXH,&urxh,rw);
		//	}
			if(pc_count==83)
			{
				rw=0;
				utxh=53;
			
				uart_port->uartrw_rw(ADDR_UTXH,&utxh,rw);
			}
			if(pc_count==85)
			{
				rw=1;
				uart_port->uartrw_rw(ADDR_URXH,&urxh,rw);
			}
		
			
		
		wait(1,SC_US);
		
	}	

 }