1 files changed, 46 insertions, 0 deletions
diff --git a/arch/sparc/isa/formats/unknown.isa b/arch/sparc/isa/formats/unknown.isa
new file mode 100644
index 000000000..eeb2b9496
--- /dev/null
+++ b/arch/sparc/isa/formats/unknown.isa
@@ -0,0 +1,46 @@
+////////////////////////////////////////////////////////////////////
+//
+// Unknown instructions
+//
+
+output header {{
+        /**
+         * Class for Unknown/Illegal instructions
+         */
+        class Unknown : public SparcStaticInst
+        {
+          public:
+
+            // Constructor
+            Unknown(ExtMachInst _machInst) :
+                    SparcStaticInst("unknown", _machInst, No_OpClass)
+            {
+            }
+
+            %(BasicExecDeclare)s
+
+            std::string generateDisassembly(Addr pc,
+                    const SymbolTable *symtab) const;
+
+        };
+}};
+
+output decoder {{
+        std::string Unknown::generateDisassembly(Addr pc,
+                const SymbolTable *symtab) const
+        {
+            return "Unknown instruction\n";
+        }
+}};
+
+output exec {{
+        Fault Unknown::execute(%(CPU_exec_context)s *xc,
+                Trace::InstRecord *traceData) const
+        {
+            return new IllegalInstruction;
+        }
+}};
+
+def format Unknown() {{
+        decode_block = 'return new Unknown(machInst);\n'
+}};