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4// Redistribution and use of this software in source and binary forms,
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53//
54// Authors: Gabe Black
55
56output header {{
57 class CPUIDInst : public X86ISA::X86StaticInst
58 {
59 public:
60 static const RegIndex foldOBit = 0;
61 /// Constructor
62 CPUIDInst(const char *_mnemonic, ExtMachInst _machInst,
63 OpClass __opClass) :
64 X86ISA::X86StaticInst(_mnemonic, _machInst, __opClass)
65 {
66 }
67
68 std::string generateDisassembly(Addr pc,
69 const SymbolTable *symtab) const;
70 };
71}};
72
73output decoder {{
74 std::string CPUIDInst::generateDisassembly(Addr PC,
75 const SymbolTable *symtab) const
76 {
77 std::stringstream response;
78
79 printMnemonic(response, mnemonic);
80 ccprintf(response, " ");
81 printReg(response, _srcRegIdx[0], machInst.opSize);
82 return response.str();
83 }
84}};
85
86def template CPUIDExecute {{
87 Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
88 Trace::InstRecord *traceData) const
89 {
90 // If the CPUID instruction used a valid function number, this will
91 // be set to true. Otherwise, the instruction does nothing.
92 bool success;
93 %(op_decl)s;
94 %(op_rd)s;
95 %(code)s;
96 if (success) {
97 %(op_wb)s;
98 }
99 return NoFault;
100 }
101}};
102
103def format CPUIDInst(code, *opt_flags) {{
104 iop = InstObjParams(name, Name, 'CPUIDInst', code, opt_flags)
105 header_output = BasicDeclare.subst(iop)
106 decoder_output = BasicConstructor.subst(iop)
107 decode_block = BasicDecode.subst(iop)
108 exec_output = CPUIDExecute.subst(iop)
109}};
110