Tiago Mück has submitted this change. (
https://gem5-review.googlesource.com/c/public/gem5/+/31257 )
Change subject: mem-ruby: additional WriteMask methods
......................................................................
mem-ruby: additional WriteMask methods
Change-Id: Ib5d5f892075b38f46d1d802c043853f56e19ea12
Signed-off-by: Tiago Mück <tiago.m...@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/31257
Reviewed-by: Jason Lowe-Power <power...@gmail.com>
Maintainer: Jason Lowe-Power <power...@gmail.com>
Tested-by: kokoro <noreply+kok...@google.com>
---
M src/mem/ruby/common/WriteMask.hh
M src/mem/ruby/protocol/RubySlicc_Exports.sm
2 files changed, 51 insertions(+), 3 deletions(-)
Approvals:
Jason Lowe-Power: Looks good to me, approved; Looks good to me, approved
kokoro: Regressions pass
diff --git a/src/mem/ruby/common/WriteMask.hh
b/src/mem/ruby/common/WriteMask.hh
index 6a0a041..6e3ea29 100644
--- a/src/mem/ruby/common/WriteMask.hh
+++ b/src/mem/ruby/common/WriteMask.hh
@@ -1,4 +1,16 @@
/*
+ * Copyright (c) 2020 ARM Limited
+ * All rights reserved.
+ *
+ * The license below extends only to copyright in the software and shall
+ * not be construed as granting a license to any other intellectual
+ * property including but not limited to intellectual property relating
+ * to a hardware implementation of the functionality of the software
+ * licensed hereunder. You may use the software subject to the license
+ * terms below provided that you ensure that this notice is replicated
+ * unmodified and in its entirety in all distributions of the software,
+ * modified or unmodified, in source code or in binary form.
+ *
* Copyright (c) 2012-15 Advanced Micro Devices, Inc.
* All rights reserved.
*
@@ -69,18 +81,18 @@
}
bool
- test(int offset)
+ test(int offset) const
{
assert(offset < mSize);
return mMask[offset];
}
void
- setMask(int offset, int len)
+ setMask(int offset, int len, bool val = true)
{
assert(mSize >= (offset + len));
for (int i = 0; i < len; i++) {
- mMask[offset + i] = true;
+ mMask[offset + i] = val;
}
}
void
@@ -163,6 +175,33 @@
}
}
+ void
+ setInvertedMask(const WriteMask & writeMask)
+ {
+ assert(mSize == writeMask.mSize);
+ for (int i = 0; i < mSize; i++) {
+ mMask[i] = !writeMask.mMask.at(i);
+ }
+ }
+
+ int
+ firstBitSet(bool val, int offset = 0) const
+ {
+ for (int i = offset; i < mSize; ++i)
+ if (mMask[i] == val)
+ return i;
+ return mSize;
+ }
+
+ int
+ count(int offset = 0) const
+ {
+ int count = 0;
+ for (int i = offset; i < mSize; ++i)
+ count += mMask[i];
+ return count;
+ }
+
void print(std::ostream& out) const;
void
diff --git a/src/mem/ruby/protocol/RubySlicc_Exports.sm
b/src/mem/ruby/protocol/RubySlicc_Exports.sm
index ea61350..1b67dc6 100644
--- a/src/mem/ruby/protocol/RubySlicc_Exports.sm
+++ b/src/mem/ruby/protocol/RubySlicc_Exports.sm
@@ -58,7 +58,16 @@
bool isFull();
bool isOverlap(WriteMask);
void orMask(WriteMask);
+ void setInvertedMask(WriteMask);
void fillMask();
+ void setMask(int,int);
+ bool getMask(int,int);
+ void setMask(int,int,bool);
+ int firstBitSet(bool);
+ int firstBitSet(bool,int);
+ int count();
+ int count(int);
+ bool test(int);
}
structure(DataBlock, external = "yes", desc="..."){
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: Ib5d5f892075b38f46d1d802c043853f56e19ea12
Gerrit-Change-Number: 31257
Gerrit-PatchSet: 4
Gerrit-Owner: Tiago Mück <tiago.m...@arm.com>
Gerrit-Reviewer: Jason Lowe-Power <power...@gmail.com>
Gerrit-Reviewer: Matthew Poremba <matthew.pore...@amd.com>
Gerrit-Reviewer: Tiago Mück <tiago.m...@arm.com>
Gerrit-Reviewer: kokoro <noreply+kok...@google.com>
Gerrit-MessageType: merged
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