diff options
author | Brad Beckmann <Brad.Beckmann@amd.com> | 2010-03-21 21:22:21 -0700 |
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committer | Brad Beckmann <Brad.Beckmann@amd.com> | 2010-03-21 21:22:21 -0700 |
commit | 92cfd1cac7f6f2d0abf64808f08f063cd0db1263 (patch) | |
tree | a69a2964f7342083cd8aaca5ed32df207a1edea8 /src/mem/ruby/system/DirectoryMemory.hh | |
parent | b5e4c3cbf2de32e18029b44b16b307a773b6ecf7 (diff) | |
download | gem5-92cfd1cac7f6f2d0abf64808f08f063cd0db1263.tar.xz |
ruby: Ruby support for sparse memory
The patch includes direct support for the MI example protocol.
Diffstat (limited to 'src/mem/ruby/system/DirectoryMemory.hh')
-rw-r--r-- | src/mem/ruby/system/DirectoryMemory.hh | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/mem/ruby/system/DirectoryMemory.hh b/src/mem/ruby/system/DirectoryMemory.hh index 0f4368b2c..455329cd0 100644 --- a/src/mem/ruby/system/DirectoryMemory.hh +++ b/src/mem/ruby/system/DirectoryMemory.hh @@ -45,6 +45,7 @@ #include "mem/protocol/Directory_Entry.hh" #include "sim/sim_object.hh" #include "params/RubyDirectoryMemory.hh" +#include "mem/ruby/system/SparseMemory.hh" class DirectoryMemory : public SimObject { public: @@ -57,9 +58,10 @@ public: // Destructor ~DirectoryMemory(); - int mapAddressToLocalIdx(PhysAddress address); - static int mapAddressToDirectoryVersion(PhysAddress address); + uint64 mapAddressToLocalIdx(PhysAddress address); + static uint64 mapAddressToDirectoryVersion(PhysAddress address); + bool isSparseImplementation() { return m_use_map; } uint64 getSize() { return m_size_bytes; } // Public Methods @@ -71,6 +73,7 @@ public: void invalidateBlock(PhysAddress address); void print(ostream& out) const; + void printStats(ostream& out) const; private: // Private Methods @@ -86,7 +89,7 @@ private: // int m_size; // # of memory module blocks this directory is responsible for uint64 m_size_bytes; uint64 m_size_bits; - int m_num_entries; + uint64 m_num_entries; int m_version; static int m_num_directories; @@ -94,6 +97,9 @@ private: static uint64_t m_total_size_bytes; MemoryVector* m_ram; + SparseMemory* m_sparseMemory; + bool m_use_map; + int m_map_levels; }; // Output operator declaration |