void Pipeline::execute(int cycle){
debug("Execute Open: %d", cycle);
reservationStations.updateStations(&rob);
CDB.clear();
vector<RSEntry*> toBeExecuted = reservationStations.checkPendingReservationStations(cycle);
vector<pair<int,int>* > robCommits;
//execute instructions in toBeExecuted.
for(int i=0;i<toBeExecuted.size();i++){
RSEntry* rs = toBeExecuted.at(i);
pair<int,int>* robCommit = aluUnit.execute(rs,&rob,memory_map);
if(robCommit != NULL)
robCommits.push_back(robCommit);
if(rs->getRemainingCycles() == 0){
//execute then check if complete to move it to next stage.
if(rs->instruction->isBranch() || rs->instruction->isJump()){
int evaluatedAddress = rs->result;
if(rs->instruction->isBranchTaken == PREDICTION_TAKEN
&& predictedAddress[rs->instruction] != rs->result){
debug("branch misprediction");
resetPipeline(rs->robID,evaluatedAddress);
}
btb.update(rs->instruction->getMemory(), evaluatedAddress, rs->instruction->isBranchTaken);
}
executedInstruction.push_back(make_pair(rs,cycle));
}
}
for(int i=0;i<robCommits.size();i++)
rob.setDestination(robCommits.at(i)->first, robCommits.at(i)->second);
debug("Execute End: %d", cycle);
}
void AAH_RXPlayer::cleanupSocket() {
if (sock_fd_ >= 0) {
if (multicast_joined_) {
int res;
struct ip_mreq mreq;
mreq.imr_multiaddr = listen_addr_.sin_addr;
mreq.imr_interface.s_addr = htonl(INADDR_ANY);
res = setsockopt(sock_fd_,
IPPROTO_IP,
IP_DROP_MEMBERSHIP,
&mreq, sizeof(mreq));
if (res < 0) {
ALOGW("Failed to leave multicast group. (%d, %d)", res, errno);
}
multicast_joined_ = false;
}
close(sock_fd_);
sock_fd_ = -1;
}
resetPipeline();
}
