inorder-tlb: squash insts in TLB correctly

TLB had a bug where if it was stalled and waiting , it would not squash all instructions older than squashed instruction correctly
* * *

1 files changed, 4 insertions, 1 deletions

diff --git a/src/cpu/inorder/resources/tlb_unit.hh b/src/cpu/inorder/resources/tlb_unit.hh
index 4ca240ba8..759fe14f1 100644
--- a/src/cpu/inorder/resources/tlb_unit.hh
+++ b/src/cpu/inorder/resources/tlb_unit.hh
@@ -41,7 +41,8 @@
 #include "cpu/inorder/pipeline_traits.hh"
 #include "cpu/inorder/cpu.hh"
 
-class TLBUnit : public InstBuffer {
+class TLBUnit : public Resource
+{
   public:
     typedef ThePipeline::DynInstPtr DynInstPtr;
 
@@ -66,6 +67,8 @@ class TLBUnit : public InstBuffer {
 
     virtual void execute(int slot_num);
 
+    void squash(DynInstPtr inst, int stage_num, InstSeqNum squash_seq_num, unsigned tid);
+
     bool tlbBlocked[ThePipeline::MaxThreads];
 
     TheISA::TLB* tlb();