tlbop.isa revision 2754 
1// -*- mode:c++ -*-
2
3// Copyright (c) 2006 The Regents of The University of Michigan
4// All rights reserved.
5//
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15// this software without specific prior written permission.
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17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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28//
29// Authors: Korey Sewell
30
31////////////////////////////////////////////////////////////////////
32//
33// TlbOp instructions
34//
35
36output header {{
37        /**
38         * Base class for integer operations.
39         */
40        class TlbOp : public MipsStaticInst
41        {
42                protected:
43
44                /// Constructor
45                TlbOp(const char *mnem, MachInst _machInst, OpClass __opClass) : MipsStaticInst(mnem, _machInst, __opClass)
46                {
47                }
48
49                std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
50        };
51}};
52
53output decoder {{
54        std::string TlbOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const
55        {
56                return "Disassembly of integer instruction\n";
57        }
58}};
59
60def template TlbOpExecute {{
61        Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const
62        {
63                //Write the resulting state to the execution context
64                %(op_wb)s;
65
66                //Call into the trap handler with the appropriate fault
67                return No_Fault;
68        }
69}};
70
71// Primary format for integer operate instructions:
72def format TlbOp(code, *opt_flags) {{
73        orig_code = code
74        cblk = CodeBlock(code)
75        iop = InstObjParams(name, Name, 'MipsStaticInst', cblk, opt_flags)
76        header_output = BasicDeclare.subst(iop)
77        decoder_output = BasicConstructor.subst(iop)
78        decode_block = BasicDecodeWithMnemonic.subst(iop)
79        exec_output = TlbOpExecute.subst(iop)
80}};
81