Added FpUnimpl format for quad precision and other purposefully unimplemented floating point ops.

--HG--
extra : convert_revision : 356fec86c35560b20ea8eee80844602bbcec145f

1 files changed, 31 insertions, 1 deletions

diff --git a/src/arch/sparc/isa/formats/trap.isa b/src/arch/sparc/isa/formats/trap.isa
index 9c118b227..8ac40c16f 100644
--- a/src/arch/sparc/isa/formats/trap.isa
+++ b/src/arch/sparc/isa/formats/trap.isa
@@ -1,4 +1,4 @@
-// Copyright (c) 2006 The Regents of The University of Michigan
+// Copyright (c) 2006-2007 The Regents of The University of Michigan
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -89,3 +89,33 @@ def format Trap(code, *opt_flags) {{
         decode_block = BasicDecode.subst(iop)
         exec_output = TrapExecute.subst(iop)
 }};
+
+output header {{
+        class FpUnimpl : public SparcStaticInst
+        {
+          protected:
+            FpUnimpl(const char *mnem,
+                    ExtMachInst _machInst, OpClass __opClass)
+                : SparcStaticInst(mnem, _machInst, __opClass)
+            {
+            }
+
+            std::string generateDisassembly(Addr pc,
+                    const SymbolTable *symtab) const
+            {
+                return mnemonic;
+            }
+        };
+}};
+
+def format FpUnimpl(*flags) {{
+        fpunimpl_code = '''
+            Fsr = insertBits(Fsr, 16, 14, 3);
+            fault = new FpExceptionOther;
+            '''
+        iop = InstObjParams(name, Name, 'FpUnimpl', fpunimpl_code, flags)
+        header_output = BasicDeclare.subst(iop)
+        decoder_output = BasicConstructor.subst(iop)
+        decode_block = BasicDecode.subst(iop)
+        exec_output = TrapExecute.subst(iop)
+}};