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mem-ruby: Use check_on_cache_probe on MOESI hammer

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

Change-Id: I2c43f22aba5af3a57e54b1c435e5d3fbba86d1d5
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/19891
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.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 20:11:26 -05:00
committed by Pouya Fotouhi
parent 8b4f2ca902
commit def0a4c6fd
1 changed files with 4 additions and 0 deletions
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4
src/mem/protocol/MOESI_hammer-cache.sm
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@@ -468,7 +468,9 @@ machine(MachineType:L1Cache, "AMD Hammer-like protocol")
}
} else {
// No room in the L1, so we need to make room
// Check if the line we want to evict is not locked
Addr l1i_victim_addr := L1Icache.cacheProbe(in_msg.LineAddress);
check_on_cache_probe(mandatoryQueue_in, l1i_victim_addr);
if (L2cache.cacheAvail(l1i_victim_addr)) {
// The L2 has room, so we move the line from the L1 to the L2
trigger(Event:L1_to_L2,
@@ -525,7 +527,9 @@ machine(MachineType:L1Cache, "AMD Hammer-like protocol")
}
} else {
// No room in the L1, so we need to make room
// Check if the line we want to evict is not locked
Addr l1d_victim_addr := L1Dcache.cacheProbe(in_msg.LineAddress);
check_on_cache_probe(mandatoryQueue_in, l1i_victim_addr);
if (L2cache.cacheAvail(l1d_victim_addr)) {
// The L2 has room, so we move the line from the L1 to the L2
trigger(Event:L1_to_L2,