From 444a49d11080d52568ce9fe6b34039bb7db639c2 Mon Sep 17 00:00:00 2001 From: Pouya Fotouhi Date: Wed, 7 Aug 2019 19:48:49 -0500 Subject: [PATCH] mem-ruby: Use check_on_cache_probe on MI This change uses check_on_cache_probe statement to check if the cacheline subject to eviction is locked in MI. Change-Id: I276822e987e52f7682ff30f55880f295b6af023d Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/19888 Tested-by: kokoro Reviewed-by: Jason Lowe-Power Maintainer: Jason Lowe-Power --- src/mem/protocol/MI_example-cache.sm | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/src/mem/protocol/MI_example-cache.sm b/src/mem/protocol/MI_example-cache.sm index b8036c123..8738f336e 100644 --- a/src/mem/protocol/MI_example-cache.sm +++ b/src/mem/protocol/MI_example-cache.sm @@ -254,9 +254,12 @@ machine(MachineType:L1Cache, "MI Example L1 Cache") if (is_invalid(cache_entry) && cacheMemory.cacheAvail(in_msg.LineAddress) == false ) { // make room for the block - trigger(Event:Replacement, cacheMemory.cacheProbe(in_msg.LineAddress), - getCacheEntry(cacheMemory.cacheProbe(in_msg.LineAddress)), - TBEs[cacheMemory.cacheProbe(in_msg.LineAddress)]); + // Check if the line we want to evict is not locked + Addr addr := cacheMemory.cacheProbe(in_msg.LineAddress); + check_on_cache_probe(mandatoryQueue_in, addr); + trigger(Event:Replacement, addr, + getCacheEntry(addr), + TBEs[addr]); } else { trigger(mandatory_request_type_to_event(in_msg.Type), in_msg.LineAddress, -- 2.30.2