From: Ali Saidi Date: Thu, 5 May 2011 01:38:27 +0000 (-0500) Subject: CPU: Add some useful debug message to the timing simple cpu. X-Git-Tag: stable_2012_02_02~347 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=77bea2fb42f246b26deedb39ce2786dafd50fe30;p=gem5.git CPU: Add some useful debug message to the timing simple cpu. --- diff --git a/src/cpu/simple/timing.cc b/src/cpu/simple/timing.cc index 59bf949b0..187b38b85 100644 --- a/src/cpu/simple/timing.cc +++ b/src/cpu/simple/timing.cc @@ -729,6 +729,7 @@ TimingSimpleCPU::fetch() Request *ifetch_req = new Request(); ifetch_req->setThreadContext(_cpuId, /* thread ID */ 0); setupFetchRequest(ifetch_req); + DPRINTF(SimpleCPU, "Translating address %#x\n", ifetch_req->getVaddr()); thread->itb->translateTiming(ifetch_req, tc, &fetchTranslation, BaseTLB::Execute); } else { @@ -745,8 +746,11 @@ void TimingSimpleCPU::sendFetch(Fault fault, RequestPtr req, ThreadContext *tc) { if (fault == NoFault) { + DPRINTF(SimpleCPU, "Sending fetch for addr %#x(pa: %#x)\n", + req->getVaddr(), req->getPaddr()); ifetch_pkt = new Packet(req, MemCmd::ReadReq, Packet::Broadcast); ifetch_pkt->dataStatic(&inst); + DPRINTF(SimpleCPU, " -- pkt addr: %#x\n", ifetch_pkt->getAddr()); if (!icachePort.sendTiming(ifetch_pkt)) { // Need to wait for retry @@ -758,6 +762,7 @@ TimingSimpleCPU::sendFetch(Fault fault, RequestPtr req, ThreadContext *tc) ifetch_pkt = NULL; } } else { + DPRINTF(SimpleCPU, "Translation of addr %#x faulted\n", req->getVaddr()); delete req; // fetch fault: advance directly to next instruction (fault handler) _status = Running; @@ -800,6 +805,9 @@ TimingSimpleCPU::advanceInst(Fault fault) void TimingSimpleCPU::completeIfetch(PacketPtr pkt) { + DPRINTF(SimpleCPU, "Complete ICache Fetch for addr %#x\n", pkt ? + pkt->getAddr() : 0); + // received a response from the icache: execute the received // instruction @@ -881,6 +889,7 @@ bool TimingSimpleCPU::IcachePort::recvTiming(PacketPtr pkt) { if (pkt->isResponse() && !pkt->wasNacked()) { + DPRINTF(SimpleCPU, "Received timing response %#x\n", pkt->getAddr()); // delay processing of returned data until next CPU clock edge Tick next_tick = cpu->nextCycle(curTick());