# HG changeset patch
# User Brad Beckmann <[email protected]>
# Date 1268941833 25200
# Node ID 0a636e374a2ea05a82f1255ab51f11583bdd4c76
# Parent bd4aafe90771a0ed4936f90994b717cdf4d99957
ruby: Added flag to disable mem_vec allocation
The RubySystem flag no_mem_vec will disable Ruby from allocating it's memory
data array.
diff --git a/src/mem/ruby/system/DirectoryMemory.cc
b/src/mem/ruby/system/DirectoryMemory.cc
--- a/src/mem/ruby/system/DirectoryMemory.cc
+++ b/src/mem/ruby/system/DirectoryMemory.cc
@@ -64,14 +64,13 @@
m_entries = new Directory_Entry*[m_num_entries];
for (int i=0; i < m_num_entries; i++)
m_entries[i] = NULL;
+ m_ram = g_system_ptr->getMemoryVector();
} else {
int entry_bits = log_int(m_num_entries);
assert(entry_bits >= m_map_levels);
m_sparseMemory = new SparseMemory(entry_bits, m_map_levels);
}
- m_ram = g_system_ptr->getMemoryVector();
-
m_num_directories++;
m_num_directories_bits = log_int(m_num_directories);
m_total_size_bytes += m_size_bytes;
diff --git a/src/mem/ruby/system/RubySystem.py
b/src/mem/ruby/system/RubySystem.py
--- a/src/mem/ruby/system/RubySystem.py
+++ b/src/mem/ruby/system/RubySystem.py
@@ -45,3 +45,4 @@
tracer = Param.RubyTracer("");
stats_filename = Param.String("ruby.stats",
"file to which ruby dumps its stats")
+ no_mem_vec = Param.Bool(False, "do not allocate Ruby's mem vector");
diff --git a/src/mem/ruby/system/System.cc b/src/mem/ruby/system/System.cc
--- a/src/mem/ruby/system/System.cc
+++ b/src/mem/ruby/system/System.cc
@@ -89,8 +89,12 @@
g_eventQueue_ptr = new RubyEventQueue(p->eventq, m_clock);
g_system_ptr = this;
- m_mem_vec_ptr = new MemoryVector;
- m_mem_vec_ptr->setSize(m_memory_size_bytes);
+ if (p->no_mem_vec) {
+ m_mem_vec_ptr = NULL;
+ } else {
+ m_mem_vec_ptr = new MemoryVector;
+ m_mem_vec_ptr->setSize(m_memory_size_bytes);
+ }
//
// Print ruby configuration and stats at exit
@@ -111,7 +115,9 @@
delete m_network_ptr;
delete m_profiler_ptr;
delete m_tracer_ptr;
- delete m_mem_vec_ptr;
+ if (m_mem_vec_ptr != NULL) {
+ delete m_mem_vec_ptr;
+ }
}
void RubySystem::printSystemConfig(ostream & out)
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