diff options
Diffstat (limited to 'src/mem/ruby/system/DirectoryMemory.cc')
-rw-r--r-- | src/mem/ruby/system/DirectoryMemory.cc | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/src/mem/ruby/system/DirectoryMemory.cc b/src/mem/ruby/system/DirectoryMemory.cc index 2c32eacdc..d8037aec1 100644 --- a/src/mem/ruby/system/DirectoryMemory.cc +++ b/src/mem/ruby/system/DirectoryMemory.cc @@ -44,6 +44,7 @@ int DirectoryMemory::m_num_directories = 0; int DirectoryMemory::m_num_directories_bits = 0; uint64_t DirectoryMemory::m_total_size_bytes = 0; +int DirectoryMemory::m_numa_high_bit = 0; DirectoryMemory::DirectoryMemory(const Params *p) : SimObject(p) @@ -54,6 +55,7 @@ DirectoryMemory::DirectoryMemory(const Params *p) m_num_entries = 0; m_use_map = p->use_map; m_map_levels = p->map_levels; + m_numa_high_bit = p->numa_high_bit; } void DirectoryMemory::init() @@ -74,6 +76,11 @@ void DirectoryMemory::init() m_num_directories++; m_num_directories_bits = log_int(m_num_directories); m_total_size_bytes += m_size_bytes; + + if (m_numa_high_bit == 0) { + m_numa_high_bit = RubySystem::getMemorySizeBits(); + } + assert(m_numa_high_bit != 0); } DirectoryMemory::~DirectoryMemory() @@ -109,8 +116,9 @@ void DirectoryMemory::printGlobalConfig(ostream & out) out << " number of directory memories: " << m_num_directories << endl; if (m_num_directories > 1) { out << " number of selection bits: " << m_num_directories_bits << endl; - out << " selection bits: " << RubySystem::getBlockSizeBits()+m_num_directories_bits-1 - << "-" << RubySystem::getBlockSizeBits() << endl; + out << " selection bits: " << m_numa_high_bit + << "-" << m_numa_high_bit-m_num_directories_bits + << endl; } out << " total memory size bytes: " << m_total_size_bytes << endl; out << " total memory bits: " << log_int(m_total_size_bytes) << endl; @@ -120,8 +128,8 @@ void DirectoryMemory::printGlobalConfig(ostream & out) uint64 DirectoryMemory::mapAddressToDirectoryVersion(PhysAddress address) { if (m_num_directories_bits == 0) return 0; - uint64 ret = address.bitSelect(RubySystem::getBlockSizeBits(), - RubySystem::getBlockSizeBits()+m_num_directories_bits-1); + uint64 ret = address.bitSelect(m_numa_high_bit - m_num_directories_bits, + m_numa_high_bit); return ret; } @@ -134,9 +142,10 @@ bool DirectoryMemory::isPresent(PhysAddress address) uint64 DirectoryMemory::mapAddressToLocalIdx(PhysAddress address) { - uint64 ret = address.getAddress() - >> (RubySystem::getBlockSizeBits() + m_num_directories_bits); - return ret; + uint64 ret = address.bitRemove(m_numa_high_bit - m_num_directories_bits, + m_numa_high_bit) + >> (RubySystem::getBlockSizeBits()); + return ret; } Directory_Entry& DirectoryMemory::lookup(PhysAddress address) |