two_byte_opcodes.isa revision 4276:f0030662ee2a 
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53//
54// Authors: Gabe Black
55
56////////////////////////////////////////////////////////////////////
57//
58// Decode the two byte opcodes
59//
600x2: decode OPCODE_PREFIXA {
61    0xF0: decode OPCODE_OP_TOP5 {
62        format WarnUnimpl {
63            0x00: decode OPCODE_OP_BOTTOM3 {
64                0x00: group6();
65                0x01: group7();
66                0x02: lar_Gv_Ew();
67                0x03: lsl_Gv_Ew();
68                //sandpile.org doesn't seem to know what this is... ?
69                0x04: loadall_or_reset_or_hang();
70                //sandpile.org says (AMD) after syscall, so I might want to check
71                //if that means amd64 or AMD machines
72                0x05: loadall_or_syscall();
73                0x06: clts();
74                //sandpile.org says (AMD) after sysret, so I might want to check
75                //if that means amd64 or AMD machines
76                0x07: loadall_or_sysret();
77            }
78            0x01: decode OPCODE_OP_BOTTOM3 {
79                0x0: holderholder();
80                0x1: holder();
81                0x2: holder();
82                0x3: holder();
83                0x4: holder();
84                0x5: holder();
85                0x6: holder();
86                0x7: holder();
87            }
88            0x02: decode OPCODE_OP_BOTTOM3 {
89                0x0: holder();
90                0x1: holder();
91                0x2: holder();
92                0x3: holder();
93                0x4: holder();
94                0x5: holder();
95                0x6: holder();
96                0x7: holder();
97            }
98            0x03: decode OPCODE_OP_BOTTOM3 {
99                0x0: holder();
100                0x1: holder();
101                0x2: holder();
102                0x3: holder();
103                0x4: holder();
104                0x5: holder();
105                0x6: holder();
106                0x7: holder();
107            }
108            0x04: decode OPCODE_OP_BOTTOM3 {
109                0x0: holder();
110                0x1: holder();
111                0x2: holder();
112                0x3: holder();
113                0x4: holder();
114                0x5: holder();
115                0x6: holder();
116                0x7: holder();
117            }
118            0x05: decode OPCODE_OP_BOTTOM3 {
119                0x0: holder();
120                0x1: holder();
121                0x2: holder();
122                0x3: holder();
123                0x4: holder();
124                0x5: holder();
125                0x6: holder();
126                0x7: holder();
127            }
128            0x06: decode OPCODE_OP_BOTTOM3 {
129                0x0: holder();
130                0x1: holder();
131                0x2: holder();
132                0x3: holder();
133                0x4: holder();
134                0x5: holder();
135                0x6: holder();
136                0x7: holder();
137            }
138            0x07: decode OPCODE_OP_BOTTOM3 {
139                0x0: holder();
140                0x1: holder();
141                0x2: holder();
142                0x3: holder();
143                0x4: holder();
144                0x5: holder();
145                0x6: holder();
146                0x7: holder();
147            }
148            0x08: decode OPCODE_OP_BOTTOM3 {
149                0x0: holder();
150                0x1: holder();
151                0x2: holder();
152                0x3: holder();
153                0x4: holder();
154                0x5: holder();
155                0x6: holder();
156                0x7: holder();
157            }
158            0x09: decode OPCODE_OP_BOTTOM3 {
159                0x0: holder();
160                0x1: holder();
161                0x2: holder();
162                0x3: holder();
163                0x4: holder();
164                0x5: holder();
165                0x6: holder();
166                0x7: holder();
167            }
168            0x0A: decode OPCODE_OP_BOTTOM3 {
169                0x0: holder();
170                0x1: holder();
171                0x2: holder();
172                0x3: holder();
173                0x4: holder();
174                0x5: holder();
175                0x6: holder();
176                0x7: holder();
177            }
178            0x0B: decode OPCODE_OP_BOTTOM3 {
179                0x0: holder();
180                0x1: holder();
181                0x2: holder();
182                0x3: holder();
183                0x4: holder();
184                0x5: holder();
185                0x6: holder();
186                0x7: holder();
187            }
188            0x0C: decode OPCODE_OP_BOTTOM3 {
189                0x0: holder();
190                0x1: holder();
191                0x2: holder();
192                0x3: holder();
193                0x4: holder();
194                0x5: holder();
195                0x6: holder();
196                0x7: holder();
197            }
198            0x0D: decode OPCODE_OP_BOTTOM3 {
199                0x0: holder();
200                0x1: holder();
201                0x2: holder();
202                0x3: holder();
203                0x4: holder();
204                0x5: holder();
205                0x6: holder();
206                0x7: holder();
207            }
208            0x0E: decode OPCODE_OP_BOTTOM3 {
209                0x0: holder();
210                0x1: holder();
211                0x2: holder();
212                0x3: holder();
213                0x4: holder();
214                0x5: holder();
215                0x6: holder();
216                0x7: holder();
217            }
218            0x0F: decode OPCODE_OP_BOTTOM3 {
219                0x0: holder();
220                0x1: holder();
221                0x2: holder();
222                0x3: holder();
223                0x4: holder();
224                0x5: holder();
225                0x6: holder();
226                0x7: holder();
227            }
228            0x10: decode OPCODE_OP_BOTTOM3 {
229                0x0: holder();
230                0x1: holder();
231                0x2: holder();
232                0x3: holder();
233                0x4: holder();
234                0x5: holder();
235                0x6: holder();
236                0x7: holder();
237            }
238            0x11: decode OPCODE_OP_BOTTOM3 {
239                0x0: holder();
240                0x1: holder();
241                0x2: holder();
242                0x3: holder();
243                0x4: holder();
244                0x5: holder();
245                0x6: holder();
246                0x7: holder();
247            }
248            0x12: decode OPCODE_OP_BOTTOM3 {
249                0x0: holder();
250                0x1: holder();
251                0x2: holder();
252                0x3: holder();
253                0x4: holder();
254                0x5: holder();
255                0x6: holder();
256                0x7: holder();
257            }
258            0x13: decode OPCODE_OP_BOTTOM3 {
259                0x0: holder();
260                0x1: holder();
261                0x2: holder();
262                0x3: holder();
263                0x4: holder();
264                0x5: holder();
265                0x6: holder();
266                0x7: holder();
267            }
268            0x14: decode OPCODE_OP_BOTTOM3 {
269                0x0: holder();
270                0x1: holder();
271                0x2: holder();
272                0x3: holder();
273                0x4: holder();
274                0x5: holder();
275                0x6: holder();
276                0x7: holder();
277            }
278            0x15: decode OPCODE_OP_BOTTOM3 {
279                0x0: holder();
280                0x1: holder();
281                0x2: holder();
282                0x3: holder();
283                0x4: holder();
284                0x5: holder();
285                0x6: holder();
286                0x7: holder();
287            }
288            0x16: decode OPCODE_OP_BOTTOM3 {
289                0x0: holder();
290                0x1: holder();
291                0x2: holder();
292                0x3: holder();
293                0x4: holder();
294                0x5: holder();
295                0x6: holder();
296                0x7: holder();
297            }
298            0x17: decode OPCODE_OP_BOTTOM3 {
299                0x0: holder();
300                0x1: holder();
301                0x2: holder();
302                0x3: holder();
303                0x4: holder();
304                0x5: holder();
305                0x6: holder();
306                0x7: holder();
307            }
308            0x18: decode OPCODE_OP_BOTTOM3 {
309                0x0: holder();
310                0x1: holder();
311                0x2: holder();
312                0x3: holder();
313                0x4: holder();
314                0x5: holder();
315                0x6: holder();
316                0x7: holder();
317            }
318            0x19: decode OPCODE_OP_BOTTOM3 {
319                0x0: holder();
320                0x1: holder();
321                0x2: holder();
322                0x3: holder();
323                0x4: holder();
324                0x5: holder();
325                0x6: holder();
326                0x7: holder();
327            }
328            0x1A: decode OPCODE_OP_BOTTOM3 {
329                0x0: holder();
330                0x1: holder();
331                0x2: holder();
332                0x3: holder();
333                0x4: holder();
334                0x5: holder();
335                0x6: holder();
336                0x7: holder();
337            }
338            0x1B: decode OPCODE_OP_BOTTOM3 {
339                0x0: holder();
340                0x1: holder();
341                0x2: holder();
342                0x3: holder();
343                0x4: holder();
344                0x5: holder();
345                0x6: holder();
346                0x7: holder();
347            }
348            0x1C: decode OPCODE_OP_BOTTOM3 {
349                0x0: holder();
350                0x1: holder();
351                0x2: holder();
352                0x3: holder();
353                0x4: holder();
354                0x5: holder();
355                0x6: holder();
356                0x7: holder();
357            }
358            0x1D: decode OPCODE_OP_BOTTOM3 {
359                0x0: holder();
360                0x1: holder();
361                0x2: holder();
362                0x3: holder();
363                0x4: holder();
364                0x5: holder();
365                0x6: holder();
366                0x7: holder();
367            }
368            0x1E: decode OPCODE_OP_BOTTOM3 {
369                0x0: holder();
370                0x1: holder();
371                0x2: holder();
372                0x3: holder();
373                0x4: holder();
374                0x5: holder();
375                0x6: holder();
376                0x7: holder();
377            }
378            0x1F: decode OPCODE_OP_BOTTOM3 {
379                0x0: holder();
380                0x1: holder();
381                0x2: holder();
382                0x3: holder();
383                0x4: holder();
384                0x5: holder();
385                0x6: holder();
386                0x7: holder();
387            }
388            default: FailUnimpl::twoByteOps();
389        }
390    }
391    default: M5InternalError::error(
392        {{"Unexpected first opcode byte in two byte opcode!"}});
393}
394