gossip_nodo2.c

改进的基于6个mips核的NOC网络

/****************************************************************
 *  TU Eindhoven, Eindhoven, The Netherlands, June 2004
 *  Author  :   Jose Prats
 *              ([e-mail])
 *  Purpose :   Test transmission and reception between mmips nodes
 *              and shared memory node
 ****************************************************************/

#include "mtools.h"     /* Needed for: mprintf()                    */
#include "stdcomm.h"    /* Needed for: sc_receive() and sc_send()   */

#ifdef CC_I386  /*gcc on i386 */
#include <stdio.h>
#include <stdlib.h>
#endif

/* Enable the following line to generate extra info using mprintf(). */
#define DEBUG


#define ADDR_TO_NODE3TO1 0x0001
#define ADDR_TO_NODE3TO2 0x0101

char *my_data = (char*)0x03;  // Data in local memory

char *remote_data = (char*)0x8003;  // Data in remote memory

char *my_remote_addr = (char*)0x8040;  // Data in remote memory

char *final_result_addr = (char*)0x8050;  // Final result in remote memory to write

int received;

int data;

int i;

int confirm;




void main (void)
{
        
        /*mprintf("\nStarting proc N2\n");		
	
	my_remote_addr[0] = my_data[0] + remote_data[0];		//Reading from local and remote memory and
									//then writing in the remote memory

	mprintf("\nN2 my_data: %d\n", my_data[0]);
	mprintf("\nN2 remote_data: %d\n", remote_data[0]);
	mprintf("\nN2 sum: %d\n", my_remote_addr[0]);	

	sc_receive(&received, sizeof(int));				//Waiting for the result from NODE2
	
	mprintf("N2 received:%d \n", received);
	
	data = *my_remote_addr + received;				//Read from remote memory and sum the data received from NODE2
	
	final_result_addr[0] = data;					//Write final result in the remote memory

	mprintf("\nN2 data to send: %d\n", final_result_addr[0]);
	
	confirm = 1;							//To solve consistency problems, NODE3 sends a "data ready"
	   								//confirmation to NODE1 and NODE2
	        
	sc_send(ADDR_TO_NODE3TO1, &confirm, sizeof(int));
	
	mprintf("\nN2 confirmation to N0: %d\n", confirm);
	
	sc_send(ADDR_TO_NODE3TO2, &confirm, sizeof(int));
	
	mprintf("\nN2 confirmation to N1: %d\n", confirm);	
	
	mprintf("\nN2 end\n");*/
	
	mprintf("N2 valor:%d \n", i);

}