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authorAli Saidi <saidi@eecs.umich.edu>2007-05-09 22:23:01 -0400
committerAli Saidi <saidi@eecs.umich.edu>2007-05-09 22:23:01 -0400
commitff55888575af9e661697882736741ea6d4613303 (patch)
treec7862fbac864803b397b7e0085097121946c6a89 /src
parent3c608bf76535dc1f08a9563b417b5c6fadeab3ff (diff)
downloadgem5-ff55888575af9e661697882736741ea6d4613303.tar.xz
undo my previous bus change, it can make the bus deadlock.. so it still constantly reschedules itself
--HG-- extra : convert_revision : b5ef1aa0a6a2e32bd775d2dbcad9cd9505ad9b78
Diffstat (limited to 'src')
-rw-r--r--src/mem/bus.cc23
1 files changed, 9 insertions, 14 deletions
diff --git a/src/mem/bus.cc b/src/mem/bus.cc
index 6682ade55..95d4e2873 100644
--- a/src/mem/bus.cc
+++ b/src/mem/bus.cc
@@ -171,8 +171,9 @@ bool
Bus::recvTiming(PacketPtr pkt)
{
Port *port;
- DPRINTF(Bus, "recvTiming: packet src %d dest %d addr 0x%x cmd %s\n",
- pkt->getSrc(), pkt->getDest(), pkt->getAddr(), pkt->cmdString());
+ DPRINTF(Bus, "recvTiming: packet src %d dest %d addr 0x%x cmd %s result %d\n",
+ pkt->getSrc(), pkt->getDest(), pkt->getAddr(), pkt->cmdString(),
+ pkt->result);
BusPort *pktPort;
if (pkt->getSrc() == defaultId)
@@ -272,20 +273,14 @@ Bus::recvRetry(int id)
retryList.pop_front();
inRetry = false;
- if (id != -1) {
- //Bring tickNextIdle up to the present
- while (tickNextIdle < curTick)
- tickNextIdle += clock;
-
- //Burn a cycle for the missed grant.
+ //Bring tickNextIdle up to the present
+ while (tickNextIdle < curTick)
tickNextIdle += clock;
- if (!busIdle.scheduled()) {
- busIdle.schedule(tickNextIdle);
- } else {
- busIdle.reschedule(tickNextIdle);
- }
- } // id != -1
+ //Burn a cycle for the missed grant.
+ tickNextIdle += clock;
+
+ busIdle.reschedule(tickNextIdle, true);
}
}
//If we weren't able to drain before, we might be able to now.