From a679cd917ac4775979e23594de52f1bca407c08c Mon Sep 17 00:00:00 2001
From: Ali Saidi <Ali.Saidi@ARM.com>
Date: Mon, 4 Apr 2011 11:42:28 -0500
Subject: ARM: Cleanup implementation of ITSTATE and put important code in
 PCState.

Consolidate all code to handle ITSTATE in the PCState object rather than
touching a variety of structures/objects.
---
 src/arch/arm/faults.cc | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'src/arch/arm/faults.cc')

diff --git a/src/arch/arm/faults.cc b/src/arch/arm/faults.cc
index 9fdd58da0..01d43f338 100644
--- a/src/arch/arm/faults.cc
+++ b/src/arch/arm/faults.cc
@@ -108,7 +108,9 @@ ArmFault::invoke(ThreadContext *tc, StaticInstPtr inst)
     CPSR saved_cpsr = tc->readMiscReg(MISCREG_CPSR) | 
                       tc->readIntReg(INTREG_CONDCODES);
     Addr curPc M5_VAR_USED = tc->pcState().pc();
- 
+    ITSTATE it = tc->pcState().itstate();
+    saved_cpsr.it2 = it.top6;
+    saved_cpsr.it1 = it.bottom2;
 
     cpsr.mode = nextMode();
     cpsr.it1 = cpsr.it2 = 0;
@@ -159,7 +161,7 @@ Reset::invoke(ThreadContext *tc, StaticInstPtr inst)
 {
     tc->getCpuPtr()->clearInterrupts();
     tc->clearArchRegs();
-    ArmFault::invoke(tc);
+    ArmFault::invoke(tc, inst);
 }
 
 #else
@@ -203,7 +205,7 @@ template<class T>
 void
 AbortFault<T>::invoke(ThreadContext *tc, StaticInstPtr inst)
 {
-    ArmFaultVals<T>::invoke(tc);
+    ArmFaultVals<T>::invoke(tc, inst);
     FSR fsr = 0;
     fsr.fsLow = bits(status, 3, 0);
     fsr.fsHigh = bits(status, 4);
@@ -223,7 +225,6 @@ FlushPipe::invoke(ThreadContext *tc, StaticInstPtr inst) {
     // start refetching from the next instruction.
     PCState pc = tc->pcState();
     assert(inst);
-    pc.forcedItState(inst->machInst.newItstate);
     inst->advancePC(pc);
     tc->pcState(pc);
 }
-- 
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