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mem-ruby: Use check_on_cache_probe on MOESI CMP

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This change uses check_on_cache_probe statement to check if the cacheline
subject to eviction is locked in MOESI CMP.

Change-Id: I3a8879e10ebd94ef68194836475e656761fed62c
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/19908
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
This commit is contained in:
Pouya Fotouhi
2019-08-07 20:05:49 -05:00
committed by Pouya Fotouhi
parent 4651f36193
commit 8b4f2ca902
1 changed files with 12 additions and 6 deletions
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18
src/mem/protocol/MOESI_CMP_directory-L1cache.sm
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@@ -412,10 +412,13 @@ machine(MachineType:L1Cache, "L1 cache protocol")
TBEs[in_msg.LineAddress]);
} else {
// No room in the L1, so we need to make room in the L1
// Check if the line we want to evict is not locked
Addr addr := L1Icache.cacheProbe(in_msg.LineAddress);
check_on_cache_probe(mandatoryQueue_in, addr);
trigger(Event:L1_Replacement,
L1Icache.cacheProbe(in_msg.LineAddress),
getL1ICacheEntry(L1Icache.cacheProbe(in_msg.LineAddress)),
TBEs[L1Icache.cacheProbe(in_msg.LineAddress)]);
addr,
getL1ICacheEntry(addr),
TBEs[addr]);
}
}
} else {
@@ -443,10 +446,13 @@ machine(MachineType:L1Cache, "L1 cache protocol")
TBEs[in_msg.LineAddress]);
} else {
// No room in the L1, so we need to make room in the L1
// Check if the line we want to evict is not locked
Addr addr := L1Dcache.cacheProbe(in_msg.LineAddress);
check_on_cache_probe(mandatoryQueue_in, addr);
trigger(Event:L1_Replacement,
L1Dcache.cacheProbe(in_msg.LineAddress),
getL1DCacheEntry(L1Dcache.cacheProbe(in_msg.LineAddress)),
TBEs[L1Dcache.cacheProbe(in_msg.LineAddress)]);
addr,
getL1DCacheEntry(addr),
TBEs[addr]);
}
}
}