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mem-ruby: Fix wakeup timeouts for the MOESI_CMP_token protocol

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This changeset fixes a bug that was affecting the MOESI_CMP_token
protocol where setting the next timeout required an absolute tick in
the future.

Change-Id: Ibfdb59354e13c7e552cb3389e71bda010f333249
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/7163
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
This commit is contained in:
Nikos Nikoleris
2018-01-03 12:10:09 +01:00
parent 9737d93eb1
commit 1437a24864
1 changed files with 5 additions and 4 deletions
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9
src/mem/protocol/MOESI_CMP_token-dir.sm
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@@ -173,6 +173,7 @@ machine(MachineType:Directory, "Token protocol")
int l2_select_low_bit, default="RubySystem::getBlockSizeBits()";
Tick clockEdge();
Tick clockEdge(Cycles c);
Tick cyclesToTicks(Cycles c);
void set_tbe(TBE b);
void unset_tbe();
@@ -494,7 +495,7 @@ machine(MachineType:Directory, "Token protocol")
// IssueCount.
// Set a wakeup timer
reissueTimerTable.set(address, cyclesToTicks(reissue_wakeup_latency));
reissueTimerTable.set(address, clockEdge(reissue_wakeup_latency));
}
}
@@ -562,7 +563,7 @@ machine(MachineType:Directory, "Token protocol")
// IssueCount.
// Set a wakeup timer
reissueTimerTable.set(address, cyclesToTicks(reissue_wakeup_latency));
reissueTimerTable.set(address, clockEdge(reissue_wakeup_latency));
}
}
@@ -808,7 +809,7 @@ machine(MachineType:Directory, "Token protocol")
//
if (reissueTimerTable.isSet(address)) {
reissueTimerTable.unset(address);
reissueTimerTable.set(address, cyclesToTicks(fixed_timeout_latency));
reissueTimerTable.set(address, clockEdge(fixed_timeout_latency));
}
}
@@ -816,7 +817,7 @@ machine(MachineType:Directory, "Token protocol")
//
// currently only support a fixed timeout latency
//
reissueTimerTable.set(address, cyclesToTicks(fixed_timeout_latency));
reissueTimerTable.set(address, clockEdge(fixed_timeout_latency));
}
action(ut_unsetReissueTimer, "ut", desc="Unset reissue timer.") {