1 files changed, 11 insertions, 0 deletions
diff --git a/riscv/simif.h b/riscv/simif.h
index 1d982b3..5834a87 100644
--- a/riscv/simif.h
+++ b/riscv/simif.h
@@ -4,6 +4,13 @@
 #define _RISCV_SIMIF_H
 
 #include "decode.h"
+#include <map>
+
+// LR/SC
+struct reservation {
+  uint32_t id;
+  bool valid;
+};
 
 // this is the interface to the simulator used by the processors and memory
 class simif_t
@@ -16,6 +23,10 @@ public:
   virtual bool mmio_store(reg_t addr, size_t len, const uint8_t* bytes) = 0;
   // Callback for processors to let the simulation know they were reset.
   virtual void proc_reset(unsigned id) = 0;
+  
+  // get the LR/SC's reservation set
+  virtual std::map<reg_t, reservation>& get_reservation_set() = 0;
+  virtual reg_t get_reservation_set_size() = 0;
 };
 
 #endif