inorder: squash on memory stall

add code to recognize memory stalls in resources and the pipeline as well
as squash a thread if there is a stall and we are in the switch on cache miss
model

1 files changed, 7 insertions, 1 deletions

diff --git a/src/cpu/inorder/resource_pool.hh b/src/cpu/inorder/resource_pool.hh
index 016fae2bf..61e691f35 100644
--- a/src/cpu/inorder/resource_pool.hh
+++ b/src/cpu/inorder/resource_pool.hh
@@ -123,7 +123,7 @@ class ResourcePool {
     };
 
   public:
-  ResourcePool(InOrderCPU *_cpu, ThePipeline::Params *params);
+    ResourcePool(InOrderCPU *_cpu, ThePipeline::Params *params);
     virtual ~ResourcePool() {}
 
     std::string name();
@@ -160,6 +160,12 @@ class ResourcePool {
     void squashAll(DynInstPtr inst, int stage_num,
                    InstSeqNum done_seq_num, ThreadID tid);
 
+    /** Squash Resources in Pool after a memory stall 
+     *  NOTE: Only use during Switch-On-Miss Thread model
+     */    
+    void squashDueToMemStall(DynInstPtr inst, int stage_num,
+                             InstSeqNum done_seq_num, ThreadID tid);
+
     /** Activate Thread in all resources */
     void activateAll(ThreadID tid);