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
26// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
27// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
28// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
29// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
30// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 {
| 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
26// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
27// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
28// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
29// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
30// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 }
49
50 std::string generateDisassembly(Addr pc,
51 const SymbolTable *symtab) const;
52 };
53}};
54
55output decoder {{
56 std::string CPUIDInst::generateDisassembly(Addr PC,
57 const SymbolTable *symtab) const
58 {
59 std::stringstream response;
60
61 printMnemonic(response, mnemonic);
62 ccprintf(response, " ");
63 printReg(response, _srcRegIdx[0], machInst.opSize);
64 return response.str();
65 }
66}};
67
68def template CPUIDExecute {{
69 Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
70 Trace::InstRecord *traceData) const
71 {
72 // If the CPUID instruction used a valid function number, this will
73 // be set to true. Otherwise, the instruction does nothing.
74 bool success;
75 %(op_decl)s;
76 %(op_rd)s;
77 %(code)s;
78 if (success) {
79 %(op_wb)s;
80 }
81 return NoFault;
82 }
83}};
84
85def format CPUIDInst(code, *opt_flags) {{
86 iop = InstObjParams(name, Name, 'CPUIDInst', code, opt_flags)
87 header_output = BasicDeclare.subst(iop)
88 decoder_output = BasicConstructor.subst(iop)
89 decode_block = BasicDecode.subst(iop)
90 exec_output = CPUIDExecute.subst(iop)
91}};
92
| 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(%(CPU_exec_context)s *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 bool success;
77 %(op_decl)s;
78 %(op_rd)s;
79 %(code)s;
80 if (success) {
81 %(op_wb)s;
82 }
83 return NoFault;
84 }
85}};
86
87def format CPUIDInst(code, *opt_flags) {{
88 iop = InstObjParams(name, Name, 'CPUIDInst', code, opt_flags)
89 header_output = BasicDeclare.subst(iop)
90 decoder_output = BasicConstructor.subst(iop)
91 decode_block = BasicDecode.subst(iop)
92 exec_output = CPUIDExecute.subst(iop)
93}};
94
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