add I$/D$/L2$ simulators

1 files changed, 46 insertions, 0 deletions

diff --git a/riscv/memtracer.h b/riscv/memtracer.h
new file mode 100644
index 0000000..ed62be5
--- /dev/null
+++ b/riscv/memtracer.h
@@ -0,0 +1,46 @@
+#ifndef _MEMTRACER_H
+#define _MEMTRACER_H
+
+#include <stdint.h>
+#include <string.h>
+#include <vector>
+
+class memtracer_t
+{
+ public:
+  memtracer_t() : link(NULL) {}
+  virtual ~memtracer_t() {}
+
+  virtual bool interested_in_range(uint64_t begin, uint64_t end, bool store, bool fetch) = 0;
+  virtual void trace(uint64_t addr, size_t bytes, bool store, bool fetch) = 0;
+
+ protected:
+
+ private:
+  memtracer_t* link;
+};
+
+class memtracer_list_t : public memtracer_t
+{
+ public:
+  bool interested_in_range(uint64_t begin, uint64_t end, bool store, bool fetch)
+  {
+    for (std::vector<memtracer_t*>::iterator it = list.begin(); it != list.end(); ++it)
+      if ((*it)->interested_in_range(begin, end, store, fetch))
+        return true;
+    return false;
+  }
+  void trace(uint64_t addr, size_t bytes, bool store, bool fetch)
+  {
+    for (std::vector<memtracer_t*>::iterator it = list.begin(); it != list.end(); ++it)
+      (*it)->trace(addr, bytes, store, fetch);
+  }
+  void hook(memtracer_t* h)
+  {
+    list.push_back(h);
+  }
+ private:
+  std::vector<memtracer_t*> list;
+};
+
+#endif