cpu/simple/atomic.cc

338 AtomicSimpleCPU::genMemFragmentRequest(const RequestPtr& req, Addr frag_addr,
356             req->setVirt(0, frag_addr, frag_size, flags, dataMasterId(),
358             req->setByteEnable(std::vector<bool>(it_start, it_end));
363         req->setVirt(0, frag_addr, frag_size, flags, dataMasterId(),
365         req->setByteEnable(std::vector<bool>());
380     const RequestPtr &req = data_read_req;
387     req->taskId(taskId());
396         predicate = genMemFragmentRequest(req, frag_addr, size, flags,
401             fault = thread->dtb->translateAtomic(req, thread->getTC(),
407             !req->getFlags().isSet(Request::NO_ACCESS)) {
408             Packet pkt(req, Packet::makeReadCmd(req));
411             if (req->isMmappedIpr()) {
420             if (req->isLLSC()) {
421                 TheISA::handleLockedRead(thread, req);
427             if (req->isPrefetch()) {
436             if (req->isLockedRMW() && fault == NoFault) {
470     const RequestPtr &req = data_write_req;
477     req->taskId(taskId());
487         predicate = genMemFragmentRequest(req, frag_addr, size, flags,
492             fault = thread->dtb->translateAtomic(req, thread->getTC(),
499             if (req->isLLSC()) {
502                     TheISA::handleLockedWrite(thread, req,
504             } else if (req->isSwap()) {
506                 if (req->isCondSwap()) {
508                     req->setExtraData(*res);
512             if (do_access && !req->getFlags().isSet(Request::NO_ACCESS)) {
513                 Packet pkt(req, Packet::makeWriteCmd(req));
516                 if (req->isMmappedIpr()) {
528                 if (req->isSwap()) {
534             if (res && !req->isSwap()) {
535                 *res = req->getExtraData();
543             if (req->isLockedRMW() && fault == NoFault) {
548             if (fault != NoFault && req->isPrefetch()) {
575     const RequestPtr &req = data_amo_req;
597     req->taskId(taskId());
598     req->setVirt(0, addr, size, flags, dataMasterId(),
602     Fault fault = thread->dtb->translateAtomic(req, thread->getTC(),
606     if (fault == NoFault && !req->getFlags().isSet(Request::NO_ACCESS)) {
609         Packet pkt(req, Packet::makeWriteCmd(req));
612         if (req->isMmappedIpr())
621         assert(!req->isLLSC());
624     if (fault != NoFault && req->isPrefetch()) {