mem-cache: Make packet const in insertBlock

The packet should not be modified within insertBlock.

Change-Id: If7d2b01fe131f9923194efd155c9e85eeab24d5a
Reviewed-on: https://gem5-review.googlesource.com/10811
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>

src/mem/cache/tags/base.cc

@@ -80,7 +80,7 @@ BaseTags::setCache(BaseCache *_cache)
 }
 
 void
-BaseTags::insertBlock(PacketPtr pkt, CacheBlk *blk)
+BaseTags::insertBlock(const PacketPtr pkt, CacheBlk *blk)
 {
     assert(!blk->isValid());
 

src/mem/cache/tags/base.hh

@@ -287,7 +287,7 @@ class BaseTags : public ClockedObject
      * @param pkt Packet holding the address to update
      * @param blk The block to update.
      */
-    virtual void insertBlock(PacketPtr pkt, CacheBlk *blk);
+    virtual void insertBlock(const PacketPtr pkt, CacheBlk *blk);
 
     /**
      * Regenerate the block address.

src/mem/cache/tags/base_set_assoc.hh

@@ -248,7 +248,7 @@ class BaseSetAssoc : public BaseTags
      * @param pkt Packet holding the address to update
      * @param blk The block to update.
      */
-    void insertBlock(PacketPtr pkt, CacheBlk *blk) override
+    void insertBlock(const PacketPtr pkt, CacheBlk *blk) override
     {
         // Insert block
         BaseTags::insertBlock(pkt, blk);

src/mem/cache/tags/fa_lru.cc

@@ -208,7 +208,7 @@ FALRU::findVictim(Addr addr, const bool is_secure,
 }
 
 void
-FALRU::insertBlock(PacketPtr pkt, CacheBlk *blk)
+FALRU::insertBlock(const PacketPtr pkt, CacheBlk *blk)
 {
     FALRUBlk* falruBlk = static_cast<FALRUBlk*>(blk);
 

src/mem/cache/tags/fa_lru.hh

@@ -212,7 +212,7 @@ class FALRU : public BaseTags
      * @param pkt Packet holding the address to update
      * @param blk The block to update.
      */
-    void insertBlock(PacketPtr pkt, CacheBlk *blk) override;
+    void insertBlock(const PacketPtr pkt, CacheBlk *blk) override;
 
     /**
      * Generate the tag from the addres. For fully associative this is just the

src/mem/cache/tags/sector_tags.cc

@@ -194,7 +194,7 @@ SectorTags::getPossibleLocations(Addr addr) const
 }
 
 void
-SectorTags::insertBlock(PacketPtr pkt, CacheBlk *blk)
+SectorTags::insertBlock(const PacketPtr pkt, CacheBlk *blk)
 {
     // Insert block
     BaseTags::insertBlock(pkt, blk);

src/mem/cache/tags/sector_tags.hh

@@ -152,7 +152,7 @@ class SectorTags : public BaseTags
      * @param pkt Packet holding the address to update
      * @param blk The block to update.
      */
-    void insertBlock(PacketPtr pkt, CacheBlk *blk) override;
+    void insertBlock(const PacketPtr pkt, CacheBlk *blk) override;
 
     /**
      * Finds the given address in the cache, do not update replacement data.