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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [sim/] [common/] [cgen-par.c] - Blame information for rev 247

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1 24 jeremybenn
/* Simulator parallel routines for CGEN simulators (and maybe others).
2
   Copyright (C) 1999, 2000, 2007, 2008 Free Software Foundation, Inc.
3
   Contributed by Cygnus Solutions.
4
 
5
This file is part of the GNU instruction set simulator.
6
 
7
This program is free software; you can redistribute it and/or modify
8
it under the terms of the GNU General Public License as published by
9
the Free Software Foundation; either version 3 of the License, or
10
(at your option) any later version.
11
 
12
This program is distributed in the hope that it will be useful,
13
but WITHOUT ANY WARRANTY; without even the implied warranty of
14
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15
GNU General Public License for more details.
16
 
17
You should have received a copy of the GNU General Public License
18
along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
19
 
20
#include "sim-main.h"
21
#include "cgen-mem.h"
22
#include "cgen-par.h"
23
 
24
/* Functions required by the cgen interface.  These functions add various
25
   kinds of writes to the write queue.  */
26
void sim_queue_bi_write (SIM_CPU *cpu, BI *target, BI value)
27
{
28
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
29
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
30
  element->kind = CGEN_BI_WRITE;
31
  element->insn_address = CPU_PC_GET (cpu);
32
  element->kinds.bi_write.target = target;
33
  element->kinds.bi_write.value  = value;
34
}
35
 
36
void sim_queue_qi_write (SIM_CPU *cpu, UQI *target, UQI value)
37
{
38
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
39
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
40
  element->kind = CGEN_QI_WRITE;
41
  element->insn_address = CPU_PC_GET (cpu);
42
  element->kinds.qi_write.target = target;
43
  element->kinds.qi_write.value  = value;
44
}
45
 
46
void sim_queue_si_write (SIM_CPU *cpu, SI *target, SI value)
47
{
48
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
49
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
50
  element->kind = CGEN_SI_WRITE;
51
  element->insn_address = CPU_PC_GET (cpu);
52
  element->kinds.si_write.target = target;
53
  element->kinds.si_write.value  = value;
54
}
55
 
56
void sim_queue_sf_write (SIM_CPU *cpu, SI *target, SF value)
57
{
58
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
59
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
60
  element->kind = CGEN_SF_WRITE;
61
  element->insn_address = CPU_PC_GET (cpu);
62
  element->kinds.sf_write.target = target;
63
  element->kinds.sf_write.value  = value;
64
}
65
 
66
void sim_queue_pc_write (SIM_CPU *cpu, USI value)
67
{
68
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
69
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
70
  element->kind = CGEN_PC_WRITE;
71
  element->insn_address = CPU_PC_GET (cpu);
72
  element->kinds.pc_write.value = value;
73
}
74
 
75
void sim_queue_fn_hi_write (
76
  SIM_CPU *cpu,
77
  void (*write_function)(SIM_CPU *cpu, UINT, UHI),
78
  UINT regno,
79
  UHI value
80
)
81
{
82
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
83
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
84
  element->kind = CGEN_FN_HI_WRITE;
85
  element->insn_address = CPU_PC_GET (cpu);
86
  element->kinds.fn_hi_write.function = write_function;
87
  element->kinds.fn_hi_write.regno = regno;
88
  element->kinds.fn_hi_write.value = value;
89
}
90
 
91
void sim_queue_fn_si_write (
92
  SIM_CPU *cpu,
93
  void (*write_function)(SIM_CPU *cpu, UINT, USI),
94
  UINT regno,
95
  USI value
96
)
97
{
98
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
99
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
100
  element->kind = CGEN_FN_SI_WRITE;
101
  element->insn_address = CPU_PC_GET (cpu);
102
  element->kinds.fn_si_write.function = write_function;
103
  element->kinds.fn_si_write.regno = regno;
104
  element->kinds.fn_si_write.value = value;
105
}
106
 
107
void sim_queue_fn_sf_write (
108
  SIM_CPU *cpu,
109
  void (*write_function)(SIM_CPU *cpu, UINT, SF),
110
  UINT regno,
111
  SF value
112
)
113
{
114
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
115
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
116
  element->kind = CGEN_FN_SF_WRITE;
117
  element->insn_address = CPU_PC_GET (cpu);
118
  element->kinds.fn_sf_write.function = write_function;
119
  element->kinds.fn_sf_write.regno = regno;
120
  element->kinds.fn_sf_write.value = value;
121
}
122
 
123
void sim_queue_fn_di_write (
124
  SIM_CPU *cpu,
125
  void (*write_function)(SIM_CPU *cpu, UINT, DI),
126
  UINT regno,
127
  DI value
128
)
129
{
130
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
131
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
132
  element->kind = CGEN_FN_DI_WRITE;
133
  element->insn_address = CPU_PC_GET (cpu);
134
  element->kinds.fn_di_write.function = write_function;
135
  element->kinds.fn_di_write.regno = regno;
136
  element->kinds.fn_di_write.value = value;
137
}
138
 
139
void sim_queue_fn_xi_write (
140
  SIM_CPU *cpu,
141
  void (*write_function)(SIM_CPU *cpu, UINT, SI *),
142
  UINT regno,
143
  SI *value
144
)
145
{
146
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
147
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
148
  element->kind = CGEN_FN_XI_WRITE;
149
  element->insn_address = CPU_PC_GET (cpu);
150
  element->kinds.fn_xi_write.function = write_function;
151
  element->kinds.fn_xi_write.regno = regno;
152
  element->kinds.fn_xi_write.value[0] = value[0];
153
  element->kinds.fn_xi_write.value[1] = value[1];
154
  element->kinds.fn_xi_write.value[2] = value[2];
155
  element->kinds.fn_xi_write.value[3] = value[3];
156
}
157
 
158
void sim_queue_fn_df_write (
159
  SIM_CPU *cpu,
160
  void (*write_function)(SIM_CPU *cpu, UINT, DF),
161
  UINT regno,
162
  DF value
163
)
164
{
165
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
166
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
167
  element->kind = CGEN_FN_DF_WRITE;
168
  element->insn_address = CPU_PC_GET (cpu);
169
  element->kinds.fn_df_write.function = write_function;
170
  element->kinds.fn_df_write.regno = regno;
171
  element->kinds.fn_df_write.value = value;
172
}
173
 
174
void sim_queue_fn_pc_write (
175
  SIM_CPU *cpu,
176
  void (*write_function)(SIM_CPU *cpu, USI),
177
  USI value
178
)
179
{
180
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
181
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
182
  element->kind = CGEN_FN_PC_WRITE;
183
  element->insn_address = CPU_PC_GET (cpu);
184
  element->kinds.fn_pc_write.function = write_function;
185
  element->kinds.fn_pc_write.value = value;
186
}
187
 
188
void sim_queue_mem_qi_write (SIM_CPU *cpu, SI address, QI value)
189
{
190
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
191
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
192
  element->kind = CGEN_MEM_QI_WRITE;
193
  element->insn_address = CPU_PC_GET (cpu);
194
  element->kinds.mem_qi_write.address = address;
195
  element->kinds.mem_qi_write.value   = value;
196
}
197
 
198
void sim_queue_mem_hi_write (SIM_CPU *cpu, SI address, HI value)
199
{
200
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
201
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
202
  element->kind = CGEN_MEM_HI_WRITE;
203
  element->insn_address = CPU_PC_GET (cpu);
204
  element->kinds.mem_hi_write.address = address;
205
  element->kinds.mem_hi_write.value   = value;
206
}
207
 
208
void sim_queue_mem_si_write (SIM_CPU *cpu, SI address, SI value)
209
{
210
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
211
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
212
  element->kind = CGEN_MEM_SI_WRITE;
213
  element->insn_address = CPU_PC_GET (cpu);
214
  element->kinds.mem_si_write.address = address;
215
  element->kinds.mem_si_write.value   = value;
216
}
217
 
218
void sim_queue_mem_di_write (SIM_CPU *cpu, SI address, DI value)
219
{
220
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
221
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
222
  element->kind = CGEN_MEM_DI_WRITE;
223
  element->insn_address = CPU_PC_GET (cpu);
224
  element->kinds.mem_di_write.address = address;
225
  element->kinds.mem_di_write.value   = value;
226
}
227
 
228
void sim_queue_mem_df_write (SIM_CPU *cpu, SI address, DF value)
229
{
230
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
231
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
232
  element->kind = CGEN_MEM_DF_WRITE;
233
  element->insn_address = CPU_PC_GET (cpu);
234
  element->kinds.mem_df_write.address = address;
235
  element->kinds.mem_df_write.value   = value;
236
}
237
 
238
void sim_queue_mem_xi_write (SIM_CPU *cpu, SI address, SI *value)
239
{
240
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
241
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
242
  element->kind = CGEN_MEM_XI_WRITE;
243
  element->insn_address = CPU_PC_GET (cpu);
244
  element->kinds.mem_xi_write.address = address;
245
  element->kinds.mem_xi_write.value[0] = value[0];
246
  element->kinds.mem_xi_write.value[1] = value[1];
247
  element->kinds.mem_xi_write.value[2] = value[2];
248
  element->kinds.mem_xi_write.value[3] = value[3];
249
}
250
 
251
void sim_queue_fn_mem_qi_write (
252
  SIM_CPU *cpu,
253
  void (*write_function)(SIM_CPU *cpu, IADDR, SI, QI),
254
  SI address,
255
  QI value
256
)
257
{
258
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
259
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
260
  element->kind = CGEN_FN_MEM_QI_WRITE;
261
  element->insn_address = CPU_PC_GET (cpu);
262
  element->kinds.fn_mem_qi_write.function = write_function;
263
  element->kinds.fn_mem_qi_write.address = address;
264
  element->kinds.fn_mem_qi_write.value   = value;
265
}
266
 
267
void sim_queue_fn_mem_hi_write (
268
  SIM_CPU *cpu,
269
  void (*write_function)(SIM_CPU *cpu, IADDR, SI, HI),
270
  SI address,
271
  HI value
272
)
273
{
274
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
275
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
276
  element->kind = CGEN_FN_MEM_HI_WRITE;
277
  element->insn_address = CPU_PC_GET (cpu);
278
  element->kinds.fn_mem_hi_write.function = write_function;
279
  element->kinds.fn_mem_hi_write.address = address;
280
  element->kinds.fn_mem_hi_write.value   = value;
281
}
282
 
283
void sim_queue_fn_mem_si_write (
284
  SIM_CPU *cpu,
285
  void (*write_function)(SIM_CPU *cpu, IADDR, SI, SI),
286
  SI address,
287
  SI value
288
)
289
{
290
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
291
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
292
  element->kind = CGEN_FN_MEM_SI_WRITE;
293
  element->insn_address = CPU_PC_GET (cpu);
294
  element->kinds.fn_mem_si_write.function = write_function;
295
  element->kinds.fn_mem_si_write.address = address;
296
  element->kinds.fn_mem_si_write.value   = value;
297
}
298
 
299
void sim_queue_fn_mem_di_write (
300
  SIM_CPU *cpu,
301
  void (*write_function)(SIM_CPU *cpu, IADDR, SI, DI),
302
  SI address,
303
  DI value
304
)
305
{
306
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
307
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
308
  element->kind = CGEN_FN_MEM_DI_WRITE;
309
  element->insn_address = CPU_PC_GET (cpu);
310
  element->kinds.fn_mem_di_write.function = write_function;
311
  element->kinds.fn_mem_di_write.address = address;
312
  element->kinds.fn_mem_di_write.value   = value;
313
}
314
 
315
void sim_queue_fn_mem_df_write (
316
  SIM_CPU *cpu,
317
  void (*write_function)(SIM_CPU *cpu, IADDR, SI, DF),
318
  SI address,
319
  DF value
320
)
321
{
322
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
323
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
324
  element->kind = CGEN_FN_MEM_DF_WRITE;
325
  element->insn_address = CPU_PC_GET (cpu);
326
  element->kinds.fn_mem_df_write.function = write_function;
327
  element->kinds.fn_mem_df_write.address = address;
328
  element->kinds.fn_mem_df_write.value   = value;
329
}
330
 
331
void sim_queue_fn_mem_xi_write (
332
  SIM_CPU *cpu,
333
  void (*write_function)(SIM_CPU *cpu, IADDR, SI, SI *),
334
  SI address,
335
  SI *value
336
)
337
{
338
  CGEN_WRITE_QUEUE *q = CPU_WRITE_QUEUE (cpu);
339
  CGEN_WRITE_QUEUE_ELEMENT *element = CGEN_WRITE_QUEUE_NEXT (q);
340
  element->kind = CGEN_FN_MEM_XI_WRITE;
341
  element->insn_address = CPU_PC_GET (cpu);
342
  element->kinds.fn_mem_xi_write.function = write_function;
343
  element->kinds.fn_mem_xi_write.address = address;
344
  element->kinds.fn_mem_xi_write.value[0] = value[0];
345
  element->kinds.fn_mem_xi_write.value[1] = value[1];
346
  element->kinds.fn_mem_xi_write.value[2] = value[2];
347
  element->kinds.fn_mem_xi_write.value[3] = value[3];
348
}
349
 
350
/* Execute a write stored on the write queue.  */
351
void
352
cgen_write_queue_element_execute (SIM_CPU *cpu, CGEN_WRITE_QUEUE_ELEMENT *item)
353
{
354
  IADDR pc;
355
  switch (CGEN_WRITE_QUEUE_ELEMENT_KIND (item))
356
    {
357
    case CGEN_BI_WRITE:
358
      *item->kinds.bi_write.target = item->kinds.bi_write.value;
359
      break;
360
    case CGEN_QI_WRITE:
361
      *item->kinds.qi_write.target = item->kinds.qi_write.value;
362
      break;
363
    case CGEN_SI_WRITE:
364
      *item->kinds.si_write.target = item->kinds.si_write.value;
365
      break;
366
    case CGEN_SF_WRITE:
367
      *item->kinds.sf_write.target = item->kinds.sf_write.value;
368
      break;
369
    case CGEN_PC_WRITE:
370
      CPU_PC_SET (cpu, item->kinds.pc_write.value);
371
      break;
372
    case CGEN_FN_HI_WRITE:
373
      item->kinds.fn_hi_write.function (cpu,
374
                                        item->kinds.fn_hi_write.regno,
375
                                        item->kinds.fn_hi_write.value);
376
      break;
377
    case CGEN_FN_SI_WRITE:
378
      item->kinds.fn_si_write.function (cpu,
379
                                        item->kinds.fn_si_write.regno,
380
                                        item->kinds.fn_si_write.value);
381
      break;
382
    case CGEN_FN_SF_WRITE:
383
      item->kinds.fn_sf_write.function (cpu,
384
                                        item->kinds.fn_sf_write.regno,
385
                                        item->kinds.fn_sf_write.value);
386
      break;
387
    case CGEN_FN_DI_WRITE:
388
      item->kinds.fn_di_write.function (cpu,
389
                                        item->kinds.fn_di_write.regno,
390
                                        item->kinds.fn_di_write.value);
391
      break;
392
    case CGEN_FN_DF_WRITE:
393
      item->kinds.fn_df_write.function (cpu,
394
                                        item->kinds.fn_df_write.regno,
395
                                        item->kinds.fn_df_write.value);
396
      break;
397
    case CGEN_FN_XI_WRITE:
398
      item->kinds.fn_xi_write.function (cpu,
399
                                        item->kinds.fn_xi_write.regno,
400
                                        item->kinds.fn_xi_write.value);
401
      break;
402
    case CGEN_FN_PC_WRITE:
403
      item->kinds.fn_pc_write.function (cpu, item->kinds.fn_pc_write.value);
404
      break;
405
    case CGEN_MEM_QI_WRITE:
406
      pc = item->insn_address;
407
      SETMEMQI (cpu, pc, item->kinds.mem_qi_write.address,
408
                item->kinds.mem_qi_write.value);
409
      break;
410
    case CGEN_MEM_HI_WRITE:
411
      pc = item->insn_address;
412
      SETMEMHI (cpu, pc, item->kinds.mem_hi_write.address,
413
                item->kinds.mem_hi_write.value);
414
      break;
415
    case CGEN_MEM_SI_WRITE:
416
      pc = item->insn_address;
417
      SETMEMSI (cpu, pc, item->kinds.mem_si_write.address,
418
                item->kinds.mem_si_write.value);
419
      break;
420
    case CGEN_MEM_DI_WRITE:
421
      pc = item->insn_address;
422
      SETMEMDI (cpu, pc, item->kinds.mem_di_write.address,
423
                item->kinds.mem_di_write.value);
424
      break;
425
    case CGEN_MEM_DF_WRITE:
426
      pc = item->insn_address;
427
      SETMEMDF (cpu, pc, item->kinds.mem_df_write.address,
428
                item->kinds.mem_df_write.value);
429
      break;
430
    case CGEN_MEM_XI_WRITE:
431
      pc = item->insn_address;
432
      SETMEMSI (cpu, pc, item->kinds.mem_xi_write.address,
433
                item->kinds.mem_xi_write.value[0]);
434
      SETMEMSI (cpu, pc, item->kinds.mem_xi_write.address + 4,
435
                item->kinds.mem_xi_write.value[1]);
436
      SETMEMSI (cpu, pc, item->kinds.mem_xi_write.address + 8,
437
                item->kinds.mem_xi_write.value[2]);
438
      SETMEMSI (cpu, pc, item->kinds.mem_xi_write.address + 12,
439
                item->kinds.mem_xi_write.value[3]);
440
      break;
441
    case CGEN_FN_MEM_QI_WRITE:
442
      pc = item->insn_address;
443
      item->kinds.fn_mem_qi_write.function (cpu, pc,
444
                                            item->kinds.fn_mem_qi_write.address,
445
                                            item->kinds.fn_mem_qi_write.value);
446
      break;
447
    case CGEN_FN_MEM_HI_WRITE:
448
      pc = item->insn_address;
449
      item->kinds.fn_mem_hi_write.function (cpu, pc,
450
                                            item->kinds.fn_mem_hi_write.address,
451
                                            item->kinds.fn_mem_hi_write.value);
452
      break;
453
    case CGEN_FN_MEM_SI_WRITE:
454
      pc = item->insn_address;
455
      item->kinds.fn_mem_si_write.function (cpu, pc,
456
                                            item->kinds.fn_mem_si_write.address,
457
                                            item->kinds.fn_mem_si_write.value);
458
      break;
459
    case CGEN_FN_MEM_DI_WRITE:
460
      pc = item->insn_address;
461
      item->kinds.fn_mem_di_write.function (cpu, pc,
462
                                            item->kinds.fn_mem_di_write.address,
463
                                            item->kinds.fn_mem_di_write.value);
464
      break;
465
    case CGEN_FN_MEM_DF_WRITE:
466
      pc = item->insn_address;
467
      item->kinds.fn_mem_df_write.function (cpu, pc,
468
                                            item->kinds.fn_mem_df_write.address,
469
                                            item->kinds.fn_mem_df_write.value);
470
      break;
471
    case CGEN_FN_MEM_XI_WRITE:
472
      pc = item->insn_address;
473
      item->kinds.fn_mem_xi_write.function (cpu, pc,
474
                                            item->kinds.fn_mem_xi_write.address,
475
                                            item->kinds.fn_mem_xi_write.value);
476
      break;
477
    default:
478
      abort ();
479
      break; /* FIXME: for now....print message later.  */
480
    }
481
}
482
 
483
/* Utilities for the write queue.  */
484
CGEN_WRITE_QUEUE_ELEMENT *
485
cgen_write_queue_overflow (CGEN_WRITE_QUEUE *q)
486
{
487
  abort (); /* FIXME: for now....print message later.  */
488
  return 0;
489
}

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