void l2_cache_fill(int cpu_num, unsigned long long int addr, int set, int way, int prefetch, unsigned long long int evicted_addr)
{
// uncomment this line to see the information available to you when there is a cache fill event
//printf("0x%llx %d %d %d 0x%llx\n", addr, set, way, prefetch, evicted_addr);
cache_insert(addr, prefetch);
if (prefetch==1) {
prefetch_tot_num++;
// Insert Evicted address into pollution filter
// only if it is not prefetch
int found = cache_search(evicted_addr);
if (found == -1) {
if (evicted_addr != 0) {
printf("ERROR: evicted address not in the cache - %llx \n", evicted_addr);
exit(1);
}
}
else
if (cache[found].pf != 1)
poll_insert(evicted_addr);
poll_remove(addr);
}
cache_remove(evicted_addr);
}
int uart_incoming_data(short revents)
{
int i;
unsigned char buf[FIFO_SIZE];
/* Check OOB first */
int r;
r = recv(clientsockfd,buf,sizeof(buf),MSG_OOB);
if (r>0) {
fprintf(stderr,"OOB data %d\n",r);
handle_escape(buf[0]);
return 0;
}
r = recv(clientsockfd,buf,sizeof(buf),0);
fprintf(stderr,"UART read %d\n",r);
if (r>0) {
i=0;
pthread_mutex_lock(&fifo_lock);
while (r--) {
/*
if (uartescape) {
uartescape=0;
if (buf[i]!=0xff) {
fprintf(stderr,"Escape sequence: 0x%02x\n",buf[i]);
handle_escape(buf[i]);
i++;
continue;
}
} else {
if (buf[i]==0xff) {
uartescape=1;
i++;
continue;
}
}
*/
fifodata[highmark]=buf[i];
i++;
highmark++;
if (highmark>=FIFO_SIZE)
highmark=0;
if (highmark==lowmark) {
printf("UART: FIFO overrun\n");
pthread_mutex_unlock(&fifo_lock);
abort();
}
}
} else {
poll_remove(clientsockfd);
printf("Disconnected\n");
clientsockfd=-1;
}
pthread_mutex_unlock(&fifo_lock);
return 0;
}
void server_process(struct pollfd *fds, int num)
{
int i = 0;
for(i = 0; i < server_max_pollfd; ++i) {
if(fds[i].revents == 0) {
continue;
}
if(fds[i].fd == sock_fd) {
if(fds[i].revents & POLLIN) {
int data_fd;
struct sockaddr_in clnt;
int clnt_len = sizeof(clnt);
memset(&clnt, 0, sizeof(clnt));
if((data_fd = accept(sock_fd, (struct sockaddr*)&clnt, &clnt_len)) < 0) {
perror("accept");
}
char clnt_addr[16] = "";
inet_ntop(AF_INET, &clnt.sin_addr, clnt_addr, sizeof(clnt_addr));
printf("[%s] connected\n", clnt_addr);
poll_add(data_fd);
}
if(fds[i].revents & POLLERR) {
printf("error occured\n");
}
if(fds[i].revents & POLLNVAL) {
printf("invalid request\n");
}
}
else {
if(fds[i].revents & POLLIN) {
char clnt_addr[16] = "";
struct sockaddr_in clnt;
int clnt_len = sizeof(clnt);
if(getpeername(fds[i].fd, (struct sockaddr*)&clnt, &clnt_len) < 0) {
perror("getpeername");
}
inet_ntop(AF_INET, &clnt.sin_addr, clnt_addr, sizeof(clnt_addr));
int recv_data = 0;
int recv_cnt = 0;
recv_cnt = recv(fds[i].fd, &recv_data, sizeof(recv_data), 0);
if(recv_cnt > 0) {
printf("receive [%d] from [%s]\n", recv_data, clnt_addr);
}
else if(recv_cnt == 0) {
printf("[%s] disconnected\n\n", clnt_addr);
close(fds[i].fd);
poll_remove(i);
}
else if(recv_cnt == -1) {
perror("recv");
}
}
if(fds[i].revents & POLLOUT) {
printf("ready to write data\n");
}
if(fds[i].revents & POLLERR) {
printf("error occured\n");
}
if(fds[i].revents & POLLNVAL) {
printf("invalid request\n");
}
if(fds[i].revents & POLLHUP) {
printf("pollhup\n");
}
if(fds[i].revents & POLLRDHUP) {
printf("pollrdhup\n");
}
}
}
}
