1// -*- mode:c++ -*-
2
3// Copyright (c) 2007 The Hewlett-Packard Development Company
4// All rights reserved.
5//
6// Redistribution and use of this software in source and binary forms,
7// with or without modification, are permitted provided that the
8// following conditions are met:

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64}};
65
66//A class which is the base of all x86 micro ops. It provides a function to
67//set necessary flags appropriately.
68output header {{
69 class X86MicroOpBase : public X86StaticInst
70 {
71 protected:
72 const char * instMnem;
73 uint8_t opSize;
74 uint8_t addrSize;
75
76 X86MicroOpBase(ExtMachInst _machInst,
77 const char *mnem, const char *_instMnem,
78 bool isMicro, bool isDelayed,
79 bool isFirst, bool isLast,
80 OpClass __opClass) :
81 X86StaticInst(mnem, _machInst, __opClass),
82 instMnem(_instMnem)
83 {
84 flags[IsMicroOp] = isMicro;
85 flags[IsDelayedCommit] = isDelayed;
86 flags[IsFirstMicroOp] = isFirst;
87 flags[IsLastMicroOp] = isLast;
88 }
89
90 std::string generateDisassembly(Addr pc,
91 const SymbolTable *symtab) const
92 {
93 std::stringstream ss;
94
95 ccprintf(ss, "\t%s.%s", instMnem, mnemonic);
96
97 return ss.str();
98 }
99 };
100}};
101
102// This sets up a class which is templated on the type of
103// arguments a particular flavor of a microcode instruction
104// can accept. It's parameters are specialized to create polymorphic
105// behavior in microops.
106def template BaseMicroOpTemplateDeclare {{

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135 for count in xrange(len(params)):
136 subs["param_dec"] += "uint64_t param%d;\n" % count
137 subs["param_arg_dec"] += ", uint64_t _param%d" % count
138 subs["param_init"] += ", param%d(_param%d)" % (count, count)
139 return subs
140}};
141
142// A tmeplate for building a specialized version of the microcode
143// instruction which specifies which arguments it wants
144def template MicroOpDeclare {{
145 template<>
146 class %(class_name)s%(signature)s : public X86MicroOpBase
147 {
148 protected:
149 %(param_dec)s
150 void buildMe();
151
152 public:
153 %(class_name)s(ExtMachInst _machInst,
154 const char * instMnem,
155 bool isMicro, bool isDelayed,
156 bool isFirst, bool isLast
157 %(param_arg_dec)s);
158
159 %(class_name)s(ExtMachInst _machInst,
160 const char * instMnem
161 %(param_arg_dec)s);
162
163 %(BasicExecDeclare)s
164 };
165}};
166
167def template MicroOpConstructor {{
168
169 inline void %(class_name)s%(signature)s::buildMe()
170 {
171 %(constructor)s;
172 }
173
174 inline %(class_name)s%(signature)s::%(class_name)s(
175 ExtMachInst machInst, const char * instMnem
176 %(param_arg_dec)s) :
177 %(base_class)s(machInst, "%(mnemonic)s", instMnem,
178 false, false, false, false, %(op_class)s)
179 %(param_init)s
180 {
181 buildMe();
182 }
183
184 inline %(class_name)s%(signature)s::%(class_name)s(
185 ExtMachInst machInst, const char * instMnem,
186 bool isMicro, bool isDelayed, bool isFirst, bool isLast
187 %(param_arg_dec)s)
188 : %(base_class)s(machInst, "%(mnemonic)s", instMnem,
189 isMicro, isDelayed, isFirst, isLast, %(op_class)s)
190 %(param_init)s
191 {
192 buildMe();
193 }
194}};