1 files changed, 81 insertions, 0 deletions
diff --git a/src/mem/ruby/system/MemoryVector.hh b/src/mem/ruby/system/MemoryVector.hh
new file mode 100644
index 000000000..c5f3cea7f
--- /dev/null
+++ b/src/mem/ruby/system/MemoryVector.hh
@@ -0,0 +1,81 @@
+
+#ifndef MEMORYVECTOR_H
+#define MEMORYVECTOR_H
+
+#include "mem/ruby/common/Address.hh"
+
+class DirectoryMemory;
+
+/**
+ *  MemoryVector holds memory data (DRAM only)
+ */
+class MemoryVector {
+ public:
+  MemoryVector();
+  MemoryVector(uint32 size);
+  ~MemoryVector();
+  friend class DirectoryMemory;
+
+  void setSize(uint32 size);  // destructive
+
+  void write(const Address & paddr, uint8* data, int len);
+  uint8* read(const Address & paddr, uint8* data, int len);
+
+ private:
+  uint8* getBlockPtr(const Address & paddr);
+
+  uint32 m_size;
+  uint8* m_vec;
+};
+
+inline
+MemoryVector::MemoryVector()
+{
+  m_size = 0;
+  m_vec = NULL;
+}
+
+inline
+MemoryVector::MemoryVector(uint32 size)
+{
+  m_size = size;
+  m_vec = new uint8[size];
+}
+
+inline
+MemoryVector::~MemoryVector()
+{
+  delete [] m_vec;
+}
+
+inline
+void MemoryVector::setSize(uint32 size)
+{
+  m_size = size;
+  if (m_vec != NULL)
+    delete [] m_vec;
+  m_vec = new uint8[size];
+}
+
+inline
+void MemoryVector::write(const Address & paddr, uint8* data, int len)
+{
+  assert(paddr.getAddress() + len <= m_size);
+  memcpy(m_vec + paddr.getAddress(), data, len);
+}
+
+inline
+uint8* MemoryVector::read(const Address & paddr, uint8* data, int len)
+{
+  assert(paddr.getAddress() + len <= m_size);
+  memcpy(data, m_vec + paddr.getAddress(), len);
+  return data;
+}
+
+inline
+uint8* MemoryVector::getBlockPtr(const Address & paddr)
+{
+  return m_vec + paddr.getAddress();
+}
+
+#endif // MEMORYVECTOR_H