[gem5-dev] Change in gem5/gem5[develop]: mem-ruby: add andMask to WriteMask

[Gerrit]

Tiago Mück has uploaded this change for review. (  
https://gem5-review.googlesource.com/c/public/gem5/+/41154 )

Change subject: mem-ruby: add andMask to WriteMask
......................................................................

mem-ruby: add andMask to WriteMask

Change-Id: Ieeb68b405a68226077a2ffee231408f554e758a5
Signed-off-by: Tiago Mück <tiago.m...@arm.com>
---
M src/mem/ruby/common/WriteMask.hh
M src/mem/ruby/protocol/RubySlicc_Exports.sm
2 files changed, 16 insertions(+), 1 deletion(-)



diff --git a/src/mem/ruby/common/WriteMask.hh  
b/src/mem/ruby/common/WriteMask.hh
index f1e5f37..895584a 100644
--- a/src/mem/ruby/common/WriteMask.hh
+++ b/src/mem/ruby/common/WriteMask.hh
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020 ARM Limited
+ * Copyright (c) 2020,2021 ARM Limited
  * All rights reserved.
  *
  * The license below extends only to copyright in the software and shall
@@ -160,6 +160,20 @@
     }

     void
+    andMask(const WriteMask & writeMask)
+    {
+        assert(mSize == writeMask.mSize);
+        for (int i = 0; i < mSize; i++) {
+            mMask[i] = (mMask.at(i)) & (writeMask.mMask.at(i));
+        }
+
+        if (writeMask.mAtomic) {
+            mAtomic = true;
+            mAtomicOp = writeMask.mAtomicOp;
+        }
+    }
+
+    void
     orMask(const WriteMask & writeMask)
     {
         assert(mSize == writeMask.mSize);
diff --git a/src/mem/ruby/protocol/RubySlicc_Exports.sm  
b/src/mem/ruby/protocol/RubySlicc_Exports.sm
index 1b67dc6..e48cca5 100644
--- a/src/mem/ruby/protocol/RubySlicc_Exports.sm
+++ b/src/mem/ruby/protocol/RubySlicc_Exports.sm
@@ -57,6 +57,7 @@
   bool isEmpty();
   bool isFull();
   bool isOverlap(WriteMask);
+  void andMask(WriteMask);
   void orMask(WriteMask);
   void setInvertedMask(WriteMask);
   void fillMask();

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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: Ieeb68b405a68226077a2ffee231408f554e758a5
Gerrit-Change-Number: 41154
Gerrit-PatchSet: 1
Gerrit-Owner: Tiago Mück <tiago.m...@arm.com>
Gerrit-MessageType: newchange
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