Daniel Carvalho has submitted this change. (
https://gem5-review.googlesource.com/c/public/gem5/+/22605 )
Change subject: mem-cache: Add getter for the number of valid sub-blks
......................................................................
mem-cache: Add getter for the number of valid sub-blks
Add a getter function so that the number of valid sub-blocks can be
retrieved. As a side effect, make the respective counter private.
Change-Id: Icef8b51164c8e165872dcaebc65f5c330f16cb29
Signed-off-by: Daniel R. Carvalho <oda...@yahoo.com.br>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/22605
Tested-by: kokoro <noreply+kok...@google.com>
Reviewed-by: Nikos Nikoleris <nikos.nikole...@arm.com>
Maintainer: Nikos Nikoleris <nikos.nikole...@arm.com>
---
M src/mem/cache/tags/sector_blk.cc
M src/mem/cache/tags/sector_blk.hh
2 files changed, 21 insertions(+), 7 deletions(-)
Approvals:
Nikos Nikoleris: Looks good to me, approved; Looks good to me, approved
kokoro: Regressions pass
diff --git a/src/mem/cache/tags/sector_blk.cc
b/src/mem/cache/tags/sector_blk.cc
index 7e4468d..13c90b6 100644
--- a/src/mem/cache/tags/sector_blk.cc
+++ b/src/mem/cache/tags/sector_blk.cc
@@ -116,7 +116,7 @@
}
SectorBlk::SectorBlk()
- : ReplaceableEntry(), _tag(MaxAddr), _validCounter(0),
_secureBit(false)
+ : ReplaceableEntry(), _validCounter(0), _tag(MaxAddr),
_secureBit(false)
{
}
@@ -127,6 +127,12 @@
return _validCounter > 0;
}
+uint8_t
+SectorBlk::getNumValid() const
+{
+ return _validCounter;
+}
+
bool
SectorBlk::isSecure() const
{
diff --git a/src/mem/cache/tags/sector_blk.hh
b/src/mem/cache/tags/sector_blk.hh
index a30fb81..cfe6772 100644
--- a/src/mem/cache/tags/sector_blk.hh
+++ b/src/mem/cache/tags/sector_blk.hh
@@ -144,18 +144,19 @@
*/
class SectorBlk : public ReplaceableEntry
{
- protected:
- /**
- * Sector tag value. A sector's tag is the tag of all its sub-blocks.
- */
- Addr _tag;
-
+ private:
/**
* Counter of the number of valid sub-blocks. The sector is valid if
any
* of its sub-blocks is valid.
*/
uint8_t _validCounter;
+ protected:
+ /**
+ * Sector tag value. A sector's tag is the tag of all its sub-blocks.
+ */
+ Addr _tag;
+
/**
* Whether sector blk is in secure-space or not.
*/
@@ -178,6 +179,13 @@
bool isValid() const;
/**
+ * Get the number of sub-blocks that have been validated.
+ *
+ * @return The number of valid sub-blocks.
+ */
+ uint8_t getNumValid() const;
+
+ /**
* Checks that a sector block is secure. A single secure block suffices
* to imply that the whole sector is secure, as the insertion proccess
* asserts that different secure spaces can't coexist in the same
sector.
--
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Gerrit-Project: public/gem5
Gerrit-Branch: master
Gerrit-Change-Id: Icef8b51164c8e165872dcaebc65f5c330f16cb29
Gerrit-Change-Number: 22605
Gerrit-PatchSet: 6
Gerrit-Owner: Daniel Carvalho <oda...@yahoo.com.br>
Gerrit-Reviewer: Daniel Carvalho <oda...@yahoo.com.br>
Gerrit-Reviewer: Nikos Nikoleris <nikos.nikole...@arm.com>
Gerrit-Reviewer: kokoro <noreply+kok...@google.com>
Gerrit-MessageType: merged
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