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-rw-r--r--src/sim/system.hh28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/sim/system.hh b/src/sim/system.hh
index eb192fb99..9d11132e5 100644
--- a/src/sim/system.hh
+++ b/src/sim/system.hh
@@ -229,7 +229,35 @@ class System : public MemObject
uint32_t numWorkIds;
std::vector<bool> activeCpus;
+ /** This array is a per-sytem list of all devices capable of issuing a
+ * memory system request and an associated string for each master id.
+ * It's used to uniquely id any master in the system by name for things
+ * like cache statistics.
+ */
+ std::vector<std::string> masterIds;
+
public:
+
+ /** Request an id used to create a request object in the system. All objects
+ * that intend to issues requests into the memory system must request an id
+ * in the init() phase of startup. All master ids must be fixed by the
+ * regStats() phase that immediately preceeds it. This allows objects in the
+ * memory system to understand how many masters may exist and
+ * appropriately name the bins of their per-master stats before the stats
+ * are finalized
+ */
+ MasterID getMasterId(std::string req_name);
+
+ /** Get the name of an object for a given request id.
+ */
+ std::string getMasterName(MasterID master_id);
+
+ /** Get the number of masters registered in the system */
+ MasterID maxMasters()
+ {
+ return masterIds.size();
+ }
+
virtual void regStats();
/**
* Called by pseudo_inst to track the number of work items started by this