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author | Nathan Binkert <nate@binkert.org> | 2007-08-12 09:56:37 -0700 |
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committer | Nathan Binkert <nate@binkert.org> | 2007-08-12 09:56:37 -0700 |
commit | 64295b800fd67e9b9bb3eee0131511a71ddf1fdb (patch) | |
tree | ed1c759f11384dd2c263b43d7842be2922c5c39d /src/mem/bridge.cc | |
parent | b92594dd90f54a892771989a8164148e6647c9ab (diff) | |
parent | ec4000e0e284834df0eb1db792074a1b11f21cc8 (diff) | |
download | gem5-64295b800fd67e9b9bb3eee0131511a71ddf1fdb.tar.xz |
merge
--HG--
extra : convert_revision : 5866eaa4008c4fa5da7fbb443132b8326955f71d
Diffstat (limited to 'src/mem/bridge.cc')
-rw-r--r-- | src/mem/bridge.cc | 33 |
1 files changed, 7 insertions, 26 deletions
diff --git a/src/mem/bridge.cc b/src/mem/bridge.cc index 6cfa5a2ac..c502c5130 100644 --- a/src/mem/bridge.cc +++ b/src/mem/bridge.cc @@ -37,6 +37,7 @@ #include <algorithm> +#include "base/range_ops.hh" #include "base/trace.hh" #include "mem/bridge.hh" #include "params/Bridge.hh" @@ -44,9 +45,10 @@ Bridge::BridgePort::BridgePort(const std::string &_name, Bridge *_bridge, BridgePort *_otherPort, int _delay, int _nack_delay, int _req_limit, - int _resp_limit, bool fix_partial_write) + int _resp_limit, + std::vector<Range<Addr> > filter_ranges) : Port(_name), bridge(_bridge), otherPort(_otherPort), - delay(_delay), nackDelay(_nack_delay), fixPartialWrite(fix_partial_write), + delay(_delay), nackDelay(_nack_delay), filterRanges(filter_ranges), outstandingResponses(0), queuedRequests(0), inRetry(false), reqQueueLimit(_req_limit), respQueueLimit(_resp_limit), sendEvent(this) { @@ -55,9 +57,9 @@ Bridge::BridgePort::BridgePort(const std::string &_name, Bridge::Bridge(Params *p) : MemObject(p->name), portA(p->name + "-portA", this, &portB, p->delay, p->nack_delay, - p->req_size_a, p->resp_size_a, p->fix_partial_write_a), + p->req_size_a, p->resp_size_a, p->filter_ranges_a), portB(p->name + "-portB", this, &portA, p->delay, p->nack_delay, - p->req_size_b, p->resp_size_b, p->fix_partial_write_b), + p->req_size_b, p->resp_size_b, p->filter_ranges_b), ackWrites(p->write_ack), _params(p) { if (ackWrites) @@ -243,17 +245,6 @@ Bridge::BridgePort::trySend() PacketPtr pkt = buf->pkt; - // Ugly! @todo When multilevel coherence works this will be removed - if (pkt->cmd == MemCmd::WriteInvalidateReq && fixPartialWrite && - !pkt->wasNacked()) { - PacketPtr funcPkt = new Packet(pkt->req, MemCmd::WriteReq, - Packet::Broadcast); - funcPkt->dataStatic(pkt->getPtr<uint8_t>()); - sendFunctional(funcPkt); - pkt->cmd = MemCmd::WriteReq; - delete funcPkt; - } - DPRINTF(BusBridge, "trySend: origSrc %d dest %d addr 0x%x\n", buf->origSrc, pkt->getDest(), pkt->getAddr()); @@ -313,17 +304,6 @@ Bridge::BridgePort::recvRetry() Tick Bridge::BridgePort::recvAtomic(PacketPtr pkt) { - // fix partial atomic writes... similar to the timing code that does the - // same... will be removed once our code gets this right - if (pkt->cmd == MemCmd::WriteInvalidateReq && fixPartialWrite) { - - PacketPtr funcPkt = new Packet(pkt->req, MemCmd::WriteReq, - Packet::Broadcast); - funcPkt->dataStatic(pkt->getPtr<uint8_t>()); - otherPort->sendFunctional(funcPkt); - delete funcPkt; - pkt->cmd = MemCmd::WriteReq; - } return delay + otherPort->sendAtomic(pkt); } @@ -355,6 +335,7 @@ Bridge::BridgePort::getDeviceAddressRanges(AddrRangeList &resp, bool &snoop) { otherPort->getPeerAddressRanges(resp, snoop); + FilterRangeList(filterRanges, resp); // we don't allow snooping across bridges snoop = false; } |