1 files changed, 62 insertions, 0 deletions
diff --git a/arch/sparc/isa/formats/nop.isa b/arch/sparc/isa/formats/nop.isa
new file mode 100644
index 000000000..df7503eee
--- /dev/null
+++ b/arch/sparc/isa/formats/nop.isa
@@ -0,0 +1,62 @@
+////////////////////////////////////////////////////////////////////
+//
+// Nop instruction
+//
+
+output header {{
+        /**
+         * Nop class.
+         */
+        class Nop : public SparcStaticInst
+        {
+          public:
+            // Constructor
+            Nop(const char *mnem, ExtMachInst _machInst, OpClass __opClass) :
+                SparcStaticInst(mnem, _machInst, __opClass)
+            {
+            }
+
+            // All Nop instructions do the same thing, so this can be
+            // defined here. Nops can be defined directly, so there needs
+            // to be a default implementation
+            Fault execute(%(CPU_exec_context)s *xc,
+                Trace::InstRecord *traceData) const
+            {
+                //Nothing to see here, move along
+                return NoFault;
+            }
+
+            std::string generateDisassembly(Addr pc,
+                    const SymbolTable *symtab) const;
+        };
+}};
+
+output decoder {{
+        std::string Nop::generateDisassembly(Addr pc,
+                const SymbolTable *symtab) const
+        {
+            std::stringstream response;
+            printMnemonic(response, mnemonic);
+            return response.str();
+        }
+}};
+
+def template NopExecute {{
+        Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
+                Trace::InstRecord *traceData) const
+        {
+            //Nothing to see here, move along
+            return NoFault;
+        }
+}};
+
+// Primary format for integer operate instructions:
+def format Nop(code, *opt_flags) {{
+        orig_code = code
+        cblk = CodeBlock(code)
+        iop = InstObjParams(name, Name, 'Nop', cblk, opt_flags)
+        header_output = BasicDeclare.subst(iop)
+        decoder_output = BasicConstructor.subst(iop)
+        decode_block = BasicDecode.subst(iop)
+        exec_output = NopExecute.subst(iop)
+}};