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-rw-r--r--arch/mips/isa/formats/noop.isa90
1 files changed, 0 insertions, 90 deletions
diff --git a/arch/mips/isa/formats/noop.isa b/arch/mips/isa/formats/noop.isa
deleted file mode 100644
index d35179005..000000000
--- a/arch/mips/isa/formats/noop.isa
+++ /dev/null
@@ -1,90 +0,0 @@
-// -*- mode:c++ -*-
-
-////////////////////////////////////////////////////////////////////
-//
-// Nop
-//
-
-output header {{
- /**
- * Static instruction class for no-ops. This is a leaf class.
- */
- class Nop : public MipsStaticInst
- {
- /// Disassembly of original instruction.
- const std::string originalDisassembly;
-
- public:
- /// Constructor
- Nop(const std::string _originalDisassembly, MachInst _machInst)
- : MipsStaticInst("nop", _machInst, No_OpClass),
- originalDisassembly(_originalDisassembly)
- {
- flags[IsNop] = true;
- }
-
- ~Nop() { }
-
- std::string
- generateDisassembly(Addr pc, const SymbolTable *symtab) const;
-
- %(BasicExecDeclare)s
- };
-}};
-
-output decoder {{
- std::string Nop::generateDisassembly(Addr pc,
- const SymbolTable *symtab) const
- {
-#ifdef SS_COMPATIBLE_DISASSEMBLY
- return originalDisassembly;
-#else
- return csprintf("%-10s (%s)", "nop", originalDisassembly);
-#endif
- }
-
- /// Helper function for decoding nops. Substitute Nop object
- /// for original inst passed in as arg (and delete latter).
- inline
- MipsStaticInst *
- makeNop(MipsStaticInst *inst)
- {
- MipsStaticInst *nop = new Nop(inst->disassemble(0), inst->machInst);
- delete inst;
- return nop;
- }
-}};
-
-output exec {{
- Fault
- Nop::execute(%(CPU_exec_context)s *, Trace::InstRecord *) const
- {
- return NoFault;
- }
-}};
-
-// integer & FP operate instructions use RT as dest, so check for
-// RT == 0 to detect nops
-def template OperateNopCheckDecode {{
- {
- MipsStaticInst *i = new %(class_name)s(machInst);
-
- //if (RD == 0) {
- // i = makeNop(i);
- //}
-
- return i;
- }
-}};
-
-
-// Like BasicOperate format, but generates NOP if RC/FC == 31
-def format BasicOperateWithNopCheck(code, *opt_args) {{
- iop = InstObjParams(name, Name, 'MipsStaticInst', CodeBlock(code),
- opt_args)
- header_output = BasicDeclare.subst(iop)
- decoder_output = BasicConstructor.subst(iop)
- decode_block = OperateNopCheckDecode.subst(iop)
- exec_output = BasicExecute.subst(iop)
-}};
-