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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50// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
51// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
52// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
53// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
54// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
55//
56// Authors: Gabe Black
57
58let {{
59 # This will be populated with mappings between microop mnemonics and
60 # the classes that represent them.
61 microopClasses = {}
62}};
63
64//A class which is the base of all x86 micro ops. It provides a function to
65//set necessary flags appropriately.
66output header {{
67 class X86MicroOpBase : public X86StaticInst
68 {
69 protected:

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92
93 ccprintf(ss, "\t%s.%s", instMnem, mnemonic);
94
95 return ss.str();
96 }
97 };
98}};
99
100//////////////////////////////////////////////////////////////////////////
101//
102// Base class for the python representation of x86 microops
103
104let {{
105 class X86Microop(object):
106 def __init__(self, name):
107 self.name = name
108
109 # This converts a list of python bools into
110 # a comma seperated list of C++ bools.
111 def microFlagsText(self, vals):
112 text = ""
113 for val in vals:
114 if val:
115 text += ", true"
116 else:
117 text += ", false"
118 return text
119
120 def getAllocator(self, mnemonic, *microFlags):
121 return 'new %s(machInst, %s)' % (self.className, mnemonic, self.microFlagsText(microFlags))
122}};
123
124//////////////////////////////////////////////////////////////////////////
125//
126// LdStOp Microop templates
127//
128//////////////////////////////////////////////////////////////////////////
129
130def template MicroLdStOpDeclare {{
131 class %(class_name)s : public X86MicroOpBase
132 {
133 protected:
134 const uint8_t scale;
135 const RegIndex index;
136 const RegIndex base;
137 const uint64_t disp;
138 const uint8_t segment;
139 const RegIndex data;
140 const uint8_t dataSize;
141 const uint8_t addressSize;
142 void buildMe();
143
144 public:
145 %(class_name)s(ExtMachInst _machInst,
146 const char * instMnem,
147 bool isMicro, bool isDelayed, bool isFirst, bool isLast,
148 uint8_t _scale, RegIndex _index, RegIndex _base,
149 uint64_t _disp, uint8_t _segment,
150 RegIndex _data,
151 uint8_t _dataSize, uint8_t _addressSize);
152
153 %(class_name)s(ExtMachInst _machInst,
154 const char * instMnem,
155 uint8_t _scale, RegIndex _index, RegIndex _base,
156 uint64_t _disp, uint8_t _segment,
157 RegIndex _data,
158 uint8_t _dataSize, uint8_t _addressSize);
159
160 %(BasicExecDeclare)s
161 };
162}};
163
164def template MicroLdStOpConstructor {{
165
166 inline void %(class_name)s::buildMe()
167 {
168 %(constructor)s;
169 }
170
171 inline %(class_name)s::%(class_name)s(
172 ExtMachInst machInst, const char * instMnem,
173 uint8_t _scale, RegIndex _index, RegIndex _base,
174 uint64_t _disp, uint8_t _segment,
175 RegIndex _data,
176 uint8_t _dataSize, uint8_t _addressSize) :
177 %(base_class)s(machInst, "%(mnemonic)s", instMnem,
178 false, false, false, false, %(op_class)s),
179 scale(_scale), index(_index), base(_base),
180 disp(_disp), segment(_segment),
181 data(_data),
182 dataSize(_dataSize), addressSize(_addressSize)
183 {
184 buildMe();
185 }
186
187 inline %(class_name)s::%(class_name)s(
188 ExtMachInst machInst, const char * instMnem,
189 bool isMicro, bool isDelayed, bool isFirst, bool isLast,
190 uint8_t _scale, RegIndex _index, RegIndex _base,
191 uint64_t _disp, uint8_t segment,
192 RegIndex data,
193 uint8_t dataSize, uint8_t addressSize) :
194 %(base_class)s(machInst, "%(mnemonic)s", instMnem,
195 isMicro, isDelayed, isFirst, isLast, %(op_class)s),
196 scale(_scale), index(_index), base(_base),
197 disp(_disp), segment(_segment),
198 data(_data),
199 dataSize(_dataSize), addressSize(_addressSize)
200 {
201 buildMe();
202 }
203}};
204
205//////////////////////////////////////////////////////////////////////////
206//
207// LIMMOp Microop templates
208//
209//////////////////////////////////////////////////////////////////////////
210
211def template MicroLIMMOpDeclare {{
212 class %(class_name)s : public X86MicroOpBase
213 {
214 protected:
215 const RegIndex dest;
216 const uint64_t imm;
217 void buildMe();
218
219 public:
220 %(class_name)s(ExtMachInst _machInst,
221 const char * instMnem,
222 bool isMicro, bool isDelayed, bool isFirst, bool isLast,
223 RegIndex _dest, uint64_t _imm);
224
225 %(class_name)s(ExtMachInst _machInst,
226 const char * instMnem,
227 RegIndex _dest, uint64_t _imm);
228
229 %(BasicExecDeclare)s
230 };
231}};
232
233def template MicroLIMMOpConstructor {{
234
235 inline void %(class_name)s::buildMe()
236 {
237 %(constructor)s;
238 }
239
240 inline %(class_name)s::%(class_name)s(
241 ExtMachInst machInst, const char * instMnem,
242 RegIndex _dest, uint64_t _imm) :
243 %(base_class)s(machInst, "%(mnemonic)s", instMnem,
244 false, false, false, false, %(op_class)s),
245 dest(_dest), imm(_imm)
246 {
247 buildMe();
248 }
249
250 inline %(class_name)s::%(class_name)s(
251 ExtMachInst machInst, const char * instMnem,
252 bool isMicro, bool isDelayed, bool isFirst, bool isLast,
253 RegIndex _dest, uint64_t _imm) :
254 %(base_class)s(machInst, "%(mnemonic)s", instMnem,
255 isMicro, isDelayed, isFirst, isLast, %(op_class)s),
256 dest(_dest), imm(_imm)
257 {
258 buildMe();
259 }
260}};
261
262//////////////////////////////////////////////////////////////////////////
263//
264// FpOp Microop templates
265//
266//////////////////////////////////////////////////////////////////////////
267
268//TODO Actually write an fp microop base class.