1// Copyright (c) 2008 The Hewlett-Packard Development Company
2// All rights reserved.
3//
4// The license below extends only to copyright in the software and shall
5// not be construed as granting a license to any other intellectual
6// property including but not limited to intellectual property relating
7// to a hardware implementation of the functionality of the software
8// licensed hereunder.  You may use the software subject to the license
9// terms below provided that you ensure that this notice is replicated
10// unmodified and in its entirety in all distributions of the software,
11// modified or unmodified, in source code or in binary form.
12//
13// Redistribution and use in source and binary forms, with or without
14// modification, are permitted provided that the following conditions are
15// met: redistributions of source code must retain the above copyright
16// notice, this list of conditions and the following disclaimer;
17// redistributions in binary form must reproduce the above copyright
18// notice, this list of conditions and the following disclaimer in the
19// documentation and/or other materials provided with the distribution;
20// neither the name of the copyright holders nor the names of its
21// contributors may be used to endorse or promote products derived from
22// this software without specific prior written permission.
23//
24// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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27// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
28// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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30// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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35//
36// Authors: Gabe Black
37
38output header {{
39    class CPUIDInst : public X86ISA::X86StaticInst
40    {
41      public:
42        static const RegIndex foldOBit = 0;
43        /// Constructor
44        CPUIDInst(const char *_mnemonic, ExtMachInst _machInst,
45                OpClass __opClass) :
46            X86ISA::X86StaticInst(_mnemonic, _machInst, __opClass)
47        {
48            flags[IsSerializing] = 1;
49            flags[IsSerializeAfter] = 1;
50        }
51
52        std::string generateDisassembly(Addr pc,
53                const SymbolTable *symtab) const;
54    };
55}};
56
57output decoder {{
58    std::string CPUIDInst::generateDisassembly(Addr PC,
59            const SymbolTable *symtab) const
60    {
61        std::stringstream response;
62
63        printMnemonic(response, mnemonic);
64        ccprintf(response, " ");
65        printReg(response, _srcRegIdx[0], machInst.opSize);
66        return response.str();
67    }
68}};
69
70def template CPUIDExecute {{
71    Fault %(class_name)s::execute(ExecContext *xc,
72            Trace::InstRecord *traceData) const
73    {
74        // If the CPUID instruction used a valid function number, this will
75        // be set to true. Otherwise, the instruction does nothing.
76        %(op_decl)s;
77        %(op_rd)s;
78        %(code)s;
79        %(op_wb)s;
80        return NoFault;
81    }
82}};
83
84def format CPUIDInst(code, *opt_flags) {{
85    iop = InstObjParams(name, Name, 'CPUIDInst', code, opt_flags)
86    header_output = BasicDeclare.subst(iop)
87    decoder_output = BasicConstructor.subst(iop)
88    decode_block = BasicDecode.subst(iop)
89    exec_output = CPUIDExecute.subst(iop)
90}};
91
92