From ea4e6f2e3d4d0ce6473fd2be5d9307c1e6545f72 Mon Sep 17 00:00:00 2001 From: Ali Saidi Date: Mon, 14 May 2007 16:14:59 -0400 Subject: add uglyiness to fix dmas src/dev/io_device.cc: extra printing and assertions src/mem/bridge.hh: deal with packets only satisfying part of a request by making many requests src/mem/cache/cache_impl.hh: make the cache try to satisfy a functional request from the cache above it before checking itself --HG-- extra : convert_revision : 1df52ab61d7967e14cc377c560495430a6af266a --- src/mem/bridge.hh | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) (limited to 'src/mem/bridge.hh') diff --git a/src/mem/bridge.hh b/src/mem/bridge.hh index 7df3c767f..5951eeb98 100644 --- a/src/mem/bridge.hh +++ b/src/mem/bridge.hh @@ -108,18 +108,24 @@ class Bridge : public MemObject assert(!partialWriteFixed); assert(expectResponse); - int pbs = port->peerBlockSize(); + Addr pbs = port->peerBlockSize(); + Addr blockAddr = pkt->getAddr() & ~(pbs-1); partialWriteFixed = true; PacketDataPtr data; data = new uint8_t[pbs]; - PacketPtr funcPkt = new Packet(pkt->req, MemCmd::ReadReq, - Packet::Broadcast, pbs); - - funcPkt->dataStatic(data); - port->sendFunctional(funcPkt); - assert(funcPkt->result == Packet::Success); + RequestPtr funcReq = new Request(blockAddr, 4, 0); + PacketPtr funcPkt = new Packet(funcReq, MemCmd::ReadReq, + Packet::Broadcast); + for (int x = 0; x < pbs; x+=4) { + funcReq->setPhys(blockAddr + x, 4, 0); + funcPkt->reinitFromRequest(); + funcPkt->dataStatic(data + x); + port->sendFunctional(funcPkt); + assert(funcPkt->result == Packet::Success); + } delete funcPkt; + delete funcReq; oldPkt = pkt; memcpy(data + oldPkt->getOffset(pbs), pkt->getPtr(), -- cgit v1.2.3