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author | Ali Saidi <saidi@eecs.umich.edu> | 2007-05-14 16:37:22 -0400 |
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committer | Ali Saidi <saidi@eecs.umich.edu> | 2007-05-14 16:37:22 -0400 |
commit | fcf85725b5d2d67458c00680948d0a7baab942d4 (patch) | |
tree | 62fe730e450890d1d6ebea05b75b27406f3ca078 /src/dev/io_device.cc | |
parent | 011db5c8515804145202373440bad26fa21b30a7 (diff) | |
parent | 57104ea5f9e94dc4fe664f91e60278e486111ae9 (diff) | |
download | gem5-fcf85725b5d2d67458c00680948d0a7baab942d4.tar.xz |
Merge zizzer:/bk/newmem
into zeep.pool:/z/saidi/work/m5.newmem
--HG--
extra : convert_revision : e445097240af7b4e73efaca855cd1f217cf00313
Diffstat (limited to 'src/dev/io_device.cc')
-rw-r--r-- | src/dev/io_device.cc | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/dev/io_device.cc b/src/dev/io_device.cc index d430ace72..6528bd81c 100644 --- a/src/dev/io_device.cc +++ b/src/dev/io_device.cc @@ -218,6 +218,9 @@ DmaPort::dmaAction(Packet::Command cmd, Addr addr, int size, Event *event, DmaReqState *reqState = new DmaReqState(event, this, size); + + DPRINTF(DMA, "Starting DMA for addr: %#x size: %d sched: %d\n", addr, size, + event->scheduled()); for (ChunkGenerator gen(addr, size, peerBlockSize()); !gen.done(); gen.next()) { Request *req = new Request(gen.addr(), gen.size(), 0); @@ -231,6 +234,8 @@ DmaPort::dmaAction(Packet::Command cmd, Addr addr, int size, Event *event, assert(pendingCount >= 0); pendingCount++; + DPRINTF(DMA, "--Queuing DMA for addr: %#x size: %d\n", gen.addr(), + gen.size()); queueDma(pkt); } @@ -281,19 +286,28 @@ DmaPort::sendDma() if (transmitList.size() && backoffTime && !inRetry && !backoffEvent.scheduled()) { + DPRINTF(DMA, "-- Scheduling backoff timer for %d\n", + backoffTime+curTick); backoffEvent.schedule(backoffTime+curTick); } } else if (state == System::Atomic) { transmitList.pop_front(); Tick lat; + DPRINTF(DMA, "--Sending DMA for addr: %#x size: %d\n", + pkt->req->getPaddr(), pkt->req->getSize()); lat = sendAtomic(pkt); assert(pkt->senderState); DmaReqState *state = dynamic_cast<DmaReqState*>(pkt->senderState); assert(state); - state->numBytes += pkt->req->getSize(); + + DPRINTF(DMA, "--Received response for DMA for addr: %#x size: %d nb: %d, tot: %d sched %d\n", + pkt->req->getPaddr(), pkt->req->getSize(), state->numBytes, + state->totBytes, state->completionEvent->scheduled()); + if (state->totBytes == state->numBytes) { + assert(!state->completionEvent->scheduled()); state->completionEvent->schedule(curTick + lat); delete state; delete pkt->req; |