Yu-hsin Wang has submitted this change. (
https://gem5-review.googlesource.com/c/public/gem5/+/67291?usp=email )
Change subject: mem: Implemement backdoor interface for Bridge
..
mem: Implemement backdoor interface for Bridge
Change-Id: I5ff62b03c34e41395a957a0799925ddd9c275458
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/67291
Reviewed-by: Nicolas Boichat
Tested-by: kokoro
Maintainer: Gabe Black
Reviewed-by: Gabe Black
---
M src/mem/bridge.cc
M src/mem/bridge.hh
2 files changed, 49 insertions(+), 8 deletions(-)
Approvals:
Gabe Black: Looks good to me, approved; Looks good to me, approved
Nicolas Boichat: Looks good to me, but someone else must approve
kokoro: Regressions pass
diff --git a/src/mem/bridge.cc b/src/mem/bridge.cc
index 0f744f7..36832eb 100644
--- a/src/mem/bridge.cc
+++ b/src/mem/bridge.cc
@@ -347,6 +347,14 @@
return delay * bridge.clockPeriod() + memSidePort.sendAtomic(pkt);
}
+Tick
+Bridge::BridgeResponsePort::recvAtomicBackdoor(
+PacketPtr pkt, MemBackdoorPtr )
+{
+return delay * bridge.clockPeriod() + memSidePort.sendAtomicBackdoor(
+pkt, backdoor);
+}
+
void
Bridge::BridgeResponsePort::recvFunctional(PacketPtr pkt)
{
@@ -371,6 +379,13 @@
memSidePort.sendFunctional(pkt);
}
+void
+Bridge::BridgeResponsePort::recvMemBackdoorReq(
+const MemBackdoorReq , MemBackdoorPtr )
+{
+memSidePort.sendMemBackdoorReq(req, backdoor);
+}
+
bool
Bridge::BridgeRequestPort::trySatisfyFunctional(PacketPtr pkt)
{
diff --git a/src/mem/bridge.hh b/src/mem/bridge.hh
index f56cef1..e4a6837 100644
--- a/src/mem/bridge.hh
+++ b/src/mem/bridge.hh
@@ -195,23 +195,35 @@
/** When receiving a timing request from the peer port,
pass it to the bridge. */
-bool recvTimingReq(PacketPtr pkt);
+bool recvTimingReq(PacketPtr pkt) override;
/** When receiving a retry request from the peer port,
pass it to the bridge. */
-void recvRespRetry();
+void recvRespRetry() override;
-/** When receiving a Atomic requestfrom the peer port,
+/** When receiving an Atomic request from the peer port,
pass it to the bridge. */
-Tick recvAtomic(PacketPtr pkt);
+Tick recvAtomic(PacketPtr pkt) override;
+
+/** When receiving an Atomic backdoor request from the peer port,
+pass it to the bridge. */
+Tick recvAtomicBackdoor(
+PacketPtr pkt, MemBackdoorPtr ) override;
+
/** When receiving a Functional request from the peer port,
pass it to the bridge. */
-void recvFunctional(PacketPtr pkt);
+void recvFunctional(PacketPtr pkt) override;
+
+/** When receiving a Functional backdoor request from the peer
port,
+pass it to the bridge. */
+void recvMemBackdoorReq(
+const MemBackdoorReq , MemBackdoorPtr ) override;
+
/** When receiving a address range request the peer port,
pass it to the bridge. */
-AddrRangeList getAddrRanges() const;
+AddrRangeList getAddrRanges() const override;
};
@@ -303,11 +315,11 @@
/** When receiving a timing request from the peer port,
pass it to the bridge. */
-bool recvTimingResp(PacketPtr pkt);
+bool recvTimingResp(PacketPtr pkt) override;
/** When receiving a retry request from the peer port,
pass it to the bridge. */
-void recvReqRetry();
+void recvReqRetry() override;
};
/** Response port of the bridge. */
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: I5ff62b03c34e41395a957a0799925ddd9c275458
Gerrit-Change-Number: 67291
Gerrit-PatchSet: 2
Gerrit-Owner: Yu-hsin Wang
Gerrit-Reviewer: Earl Ou
Gerrit-Reviewer: Gabe Black
Gerrit-Reviewer: Gabe Black
Gerrit-Reviewer: Nicolas Boichat
Gerrit-Reviewer: Nikos Nikoleris
Gerrit-Reviewer: Yu-hsin Wang
Gerrit-Reviewer: kokoro
Gerrit-CC: Yan Lee
Gerrit-MessageType: merged
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