| /* |
| * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer; |
| * redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution; |
| * neither the name of the copyright holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef __MEM_RUBY_SYSTEM_DIRECTORYMEMORY_HH__ |
| #define __MEM_RUBY_SYSTEM_DIRECTORYMEMORY_HH__ |
| |
| #include <iostream> |
| #include <string> |
| |
| #include "mem/ruby/common/Address.hh" |
| #include "mem/ruby/slicc_interface/AbstractEntry.hh" |
| #include "mem/ruby/system/MemoryVector.hh" |
| #include "mem/ruby/system/SparseMemory.hh" |
| #include "params/RubyDirectoryMemory.hh" |
| #include "sim/sim_object.hh" |
| |
| class DirectoryMemory : public SimObject |
| { |
| public: |
| typedef RubyDirectoryMemoryParams Params; |
| DirectoryMemory(const Params *p); |
| ~DirectoryMemory(); |
| |
| void init(); |
| |
| uint64 mapAddressToLocalIdx(PhysAddress address); |
| static uint64 mapAddressToDirectoryVersion(PhysAddress address); |
| |
| bool isSparseImplementation() { return m_use_map; } |
| uint64 getSize() { return m_size_bytes; } |
| |
| void printConfig(std::ostream& out) const; |
| static void printGlobalConfig(std::ostream & out); |
| bool isPresent(PhysAddress address); |
| AbstractEntry* lookup(PhysAddress address); |
| AbstractEntry* allocate(const PhysAddress& address, |
| AbstractEntry* new_entry); |
| |
| void invalidateBlock(PhysAddress address); |
| |
| void print(std::ostream& out) const; |
| void printStats(std::ostream& out) const; |
| |
| private: |
| // Private copy constructor and assignment operator |
| DirectoryMemory(const DirectoryMemory& obj); |
| DirectoryMemory& operator=(const DirectoryMemory& obj); |
| |
| private: |
| const std::string m_name; |
| AbstractEntry **m_entries; |
| // int m_size; // # of memory module blocks this directory is |
| // responsible for |
| uint64 m_size_bytes; |
| uint64 m_size_bits; |
| uint64 m_num_entries; |
| int m_version; |
| |
| static int m_num_directories; |
| static int m_num_directories_bits; |
| static uint64_t m_total_size_bytes; |
| static int m_numa_high_bit; |
| |
| MemoryVector* m_ram; |
| SparseMemory* m_sparseMemory; |
| bool m_use_map; |
| int m_map_levels; |
| }; |
| |
| inline std::ostream& |
| operator<<(std::ostream& out, const DirectoryMemory& obj) |
| { |
| obj.print(out); |
| out << std::flush; |
| return out; |
| } |
| |
| #endif // __MEM_RUBY_SYSTEM_DIRECTORYMEMORY_HH__ |