inorder: add updatePC event to resPool

this will be used for when a thread comes back from a cache miss, it needs to update the PCs
because the inst might of been a branch or delayslot in which the next PC isnt always
a straight addition

1 files changed, 4 insertions, 0 deletions

diff --git a/src/cpu/inorder/resource_pool.hh b/src/cpu/inorder/resource_pool.hh
index ae63c4c59..3f62d2caa 100644
--- a/src/cpu/inorder/resource_pool.hh
+++ b/src/cpu/inorder/resource_pool.hh
@@ -63,6 +63,7 @@ class ResourcePool {
     enum ResPoolEventType {
         InstGraduated = InOrderCPU::NumCPUEvents,
         SquashAll,
+        UpdateAfterContextSwitch,
         Default
     };
 
@@ -175,6 +176,9 @@ class ResourcePool {
     /** De-Activate Thread in all resources */
     void suspendAll(ThreadID tid);
 
+    /** Broadcast Context Switch Update to all resources */
+    void updateAfterContextSwitch(DynInstPtr inst, ThreadID tid);
+
     /** Broadcast graduation to all resources */
     void instGraduated(InstSeqNum seq_num, ThreadID tid);