ARM: Implement CPACR register and return Undefined Instruction when FP access is disabled.

1 files changed, 11 insertions, 0 deletions

diff --git a/src/arch/arm/insts/static_inst.hh b/src/arch/arm/insts/static_inst.hh
index e98f85a3b..7ea3405af 100644
--- a/src/arch/arm/insts/static_inst.hh
+++ b/src/arch/arm/insts/static_inst.hh
@@ -42,6 +42,7 @@
 #ifndef __ARCH_ARM_INSTS_STATICINST_HH__
 #define __ARCH_ARM_INSTS_STATICINST_HH__
 
+#include "arch/arm/faults.hh"
 #include "base/trace.hh"
 #include "cpu/static_inst.hh"
 
@@ -319,6 +320,16 @@ class ArmStaticInst : public StaticInst
             setNextPC(xc, val);
         }
     }
+
+    inline Fault
+    disabledFault() const
+    {
+#if FULL_SYSTEM
+            return new UndefinedInstruction();
+#else
+            return new UndefinedInstruction(machInst, false, mnemonic, true);
+#endif
+    }
 };
 }