iftest.c

可重构加速部件

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/mman.h>

#include "iflib.h"

int main (void)
{
	int fd;
	int64	data;
	int i;
	char *memp;
	
	fd = open(DEVICE, O_RDWR);
	memp = (char *)mmap(NULL, MTRRZ, PROT_READ, MAP_PRIVATE, fd, 0);
	if (memp  == MAP_FAILED) {
		perror(DEVICE);
		exit(1);
	}
	
	read64(&data, memp);
	printf("before ini state = %d\n", data.w[1]&3);
	/* write */
	for(i=0; i<256; i++) {
		data.w[0]=(i<<8)+i;
		data.w[1]=0;
		write64(data, memp+i*8);
	}
	read64(&data, memp);
	printf("after ini state = %d\n", data.w[1]&3);
		
	/* read */
	for(i=0; i<256; i++) {
		read64(&data, memp+i*8);
		printf(" %08X ", data.w[0]);
		if (!((i+1)%8))
			printf("\n");
	}

	printf("after process\n");
	for (i=0; i<9; i++) {
		read64(&data, memp+2040);
		printf("%d: state = %d\n", i, data.w[1]&3);
		write64(data, memp+2040);
	}

	munmap(memp, MTRRZ);
	close(fd);
	return 0;
}