OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-stable/] [gdb-7.2/] [sim/] [iq2000/] [cpu.h] - Blame information for rev 842

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 330 jeremybenn
/* CPU family header for iq2000bf.
2
 
3
THIS FILE IS MACHINE GENERATED WITH CGEN.
4
 
5
Copyright 1996-2010 Free Software Foundation, Inc.
6
 
7
This file is part of the GNU simulators.
8
 
9
   This file is free software; you can redistribute it and/or modify
10
   it under the terms of the GNU General Public License as published by
11
   the Free Software Foundation; either version 3, or (at your option)
12
   any later version.
13
 
14
   It is distributed in the hope that it will be useful, but WITHOUT
15
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16
   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
17
   License for more details.
18
 
19
   You should have received a copy of the GNU General Public License along
20
   with this program; if not, write to the Free Software Foundation, Inc.,
21
   51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
22
 
23
*/
24
 
25
#ifndef CPU_IQ2000BF_H
26
#define CPU_IQ2000BF_H
27
 
28
/* Maximum number of instructions that are fetched at a time.
29
   This is for LIW type instructions sets (e.g. m32r).  */
30
#define MAX_LIW_INSNS 1
31
 
32
/* Maximum number of instructions that can be executed in parallel.  */
33
#define MAX_PARALLEL_INSNS 1
34
 
35
/* The size of an "int" needed to hold an instruction word.
36
   This is usually 32 bits, but some architectures needs 64 bits.  */
37
typedef CGEN_INSN_INT CGEN_INSN_WORD;
38
 
39
#include "cgen-engine.h"
40
 
41
/* CPU state information.  */
42
typedef struct {
43
  /* Hardware elements.  */
44
  struct {
45
  /* program counter */
46
  USI h_pc;
47
#define GET_H_PC() get_h_pc (current_cpu)
48
#define SET_H_PC(x) \
49
do { \
50
set_h_pc (current_cpu, (x));\
51
;} while (0)
52
  /* General purpose registers */
53
  SI h_gr[32];
54
#define GET_H_GR(index) (((index) == (0))) ? (0) : (CPU (h_gr[index]))
55
#define SET_H_GR(index, x) \
56
do { \
57
if ((((index)) == (0))) {\
58
((void) 0); /*nop*/\
59
}\
60
 else {\
61
CPU (h_gr[(index)]) = (x);\
62
}\
63
;} while (0)
64
  } hardware;
65
#define CPU_CGEN_HW(cpu) (& (cpu)->cpu_data.hardware)
66
} IQ2000BF_CPU_DATA;
67
 
68
/* Cover fns for register access.  */
69
USI iq2000bf_h_pc_get (SIM_CPU *);
70
void iq2000bf_h_pc_set (SIM_CPU *, USI);
71
SI iq2000bf_h_gr_get (SIM_CPU *, UINT);
72
void iq2000bf_h_gr_set (SIM_CPU *, UINT, SI);
73
 
74
/* These must be hand-written.  */
75
extern CPUREG_FETCH_FN iq2000bf_fetch_register;
76
extern CPUREG_STORE_FN iq2000bf_store_register;
77
 
78
typedef struct {
79
  int empty;
80
} MODEL_IQ2000_DATA;
81
 
82
/* Instruction argument buffer.  */
83
 
84
union sem_fields {
85
  struct { /* no operands */
86
    int empty;
87
  } sfmt_empty;
88
  struct { /*  */
89
    IADDR i_jmptarg;
90
  } sfmt_j;
91
  struct { /*  */
92
    IADDR i_offset;
93
    UINT f_rs;
94
    UINT f_rt;
95
  } sfmt_bbi;
96
  struct { /*  */
97
    UINT f_imm;
98
    UINT f_rs;
99
    UINT f_rt;
100
  } sfmt_addi;
101
  struct { /*  */
102
    UINT f_mask;
103
    UINT f_rd;
104
    UINT f_rs;
105
    UINT f_rt;
106
  } sfmt_mrgb;
107
  struct { /*  */
108
    UINT f_maskl;
109
    UINT f_rd;
110
    UINT f_rs;
111
    UINT f_rt;
112
    UINT f_shamt;
113
  } sfmt_ram;
114
#if WITH_SCACHE_PBB
115
  /* Writeback handler.  */
116
  struct {
117
    /* Pointer to argbuf entry for insn whose results need writing back.  */
118
    const struct argbuf *abuf;
119
  } write;
120
  /* x-before handler */
121
  struct {
122
    /*const SCACHE *insns[MAX_PARALLEL_INSNS];*/
123
    int first_p;
124
  } before;
125
  /* x-after handler */
126
  struct {
127
    int empty;
128
  } after;
129
  /* This entry is used to terminate each pbb.  */
130
  struct {
131
    /* Number of insns in pbb.  */
132
    int insn_count;
133
    /* Next pbb to execute.  */
134
    SCACHE *next;
135
    SCACHE *branch_target;
136
  } chain;
137
#endif
138
};
139
 
140
/* The ARGBUF struct.  */
141
struct argbuf {
142
  /* These are the baseclass definitions.  */
143
  IADDR addr;
144
  const IDESC *idesc;
145
  char trace_p;
146
  char profile_p;
147
  /* ??? Temporary hack for skip insns.  */
148
  char skip_count;
149
  char unused;
150
  /* cpu specific data follows */
151
  union sem semantic;
152
  int written;
153
  union sem_fields fields;
154
};
155
 
156
/* A cached insn.
157
 
158
   ??? SCACHE used to contain more than just argbuf.  We could delete the
159
   type entirely and always just use ARGBUF, but for future concerns and as
160
   a level of abstraction it is left in.  */
161
 
162
struct scache {
163
  struct argbuf argbuf;
164
};
165
 
166
/* Macros to simplify extraction, reading and semantic code.
167
   These define and assign the local vars that contain the insn's fields.  */
168
 
169
#define EXTRACT_IFMT_EMPTY_VARS \
170
  unsigned int length;
171
#define EXTRACT_IFMT_EMPTY_CODE \
172
  length = 0; \
173
 
174
#define EXTRACT_IFMT_ADD_VARS \
175
  UINT f_opcode; \
176
  UINT f_rs; \
177
  UINT f_rt; \
178
  UINT f_rd; \
179
  UINT f_shamt; \
180
  UINT f_func; \
181
  unsigned int length;
182
#define EXTRACT_IFMT_ADD_CODE \
183
  length = 4; \
184
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
185
  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
186
  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
187
  f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
188
  f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
189
  f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
190
 
191
#define EXTRACT_IFMT_ADDI_VARS \
192
  UINT f_opcode; \
193
  UINT f_rs; \
194
  UINT f_rt; \
195
  UINT f_imm; \
196
  unsigned int length;
197
#define EXTRACT_IFMT_ADDI_CODE \
198
  length = 4; \
199
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
200
  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
201
  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
202
  f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16); \
203
 
204
#define EXTRACT_IFMT_RAM_VARS \
205
  UINT f_opcode; \
206
  UINT f_rs; \
207
  UINT f_rt; \
208
  UINT f_rd; \
209
  UINT f_shamt; \
210
  UINT f_5; \
211
  UINT f_maskl; \
212
  unsigned int length;
213
#define EXTRACT_IFMT_RAM_CODE \
214
  length = 4; \
215
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
216
  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
217
  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
218
  f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
219
  f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
220
  f_5 = EXTRACT_LSB0_UINT (insn, 32, 5, 1); \
221
  f_maskl = EXTRACT_LSB0_UINT (insn, 32, 4, 5); \
222
 
223
#define EXTRACT_IFMT_SLL_VARS \
224
  UINT f_opcode; \
225
  UINT f_rs; \
226
  UINT f_rt; \
227
  UINT f_rd; \
228
  UINT f_shamt; \
229
  UINT f_func; \
230
  unsigned int length;
231
#define EXTRACT_IFMT_SLL_CODE \
232
  length = 4; \
233
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
234
  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
235
  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
236
  f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
237
  f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
238
  f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
239
 
240
#define EXTRACT_IFMT_SLMV_VARS \
241
  UINT f_opcode; \
242
  UINT f_rs; \
243
  UINT f_rt; \
244
  UINT f_rd; \
245
  UINT f_shamt; \
246
  UINT f_func; \
247
  unsigned int length;
248
#define EXTRACT_IFMT_SLMV_CODE \
249
  length = 4; \
250
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
251
  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
252
  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
253
  f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
254
  f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
255
  f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
256
 
257
#define EXTRACT_IFMT_SLTI_VARS \
258
  UINT f_opcode; \
259
  UINT f_rs; \
260
  UINT f_rt; \
261
  UINT f_imm; \
262
  unsigned int length;
263
#define EXTRACT_IFMT_SLTI_CODE \
264
  length = 4; \
265
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
266
  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
267
  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
268
  f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16); \
269
 
270
#define EXTRACT_IFMT_BBI_VARS \
271
  UINT f_opcode; \
272
  UINT f_rs; \
273
  UINT f_rt; \
274
  SI f_offset; \
275
  unsigned int length;
276
#define EXTRACT_IFMT_BBI_CODE \
277
  length = 4; \
278
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
279
  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
280
  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
281
  f_offset = ((((EXTRACT_LSB0_SINT (insn, 32, 15, 16)) << (2))) + (((pc) + (4)))); \
282
 
283
#define EXTRACT_IFMT_BBV_VARS \
284
  UINT f_opcode; \
285
  UINT f_rs; \
286
  UINT f_rt; \
287
  SI f_offset; \
288
  unsigned int length;
289
#define EXTRACT_IFMT_BBV_CODE \
290
  length = 4; \
291
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
292
  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
293
  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
294
  f_offset = ((((EXTRACT_LSB0_SINT (insn, 32, 15, 16)) << (2))) + (((pc) + (4)))); \
295
 
296
#define EXTRACT_IFMT_BGEZ_VARS \
297
  UINT f_opcode; \
298
  UINT f_rs; \
299
  UINT f_rt; \
300
  SI f_offset; \
301
  unsigned int length;
302
#define EXTRACT_IFMT_BGEZ_CODE \
303
  length = 4; \
304
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
305
  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
306
  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
307
  f_offset = ((((EXTRACT_LSB0_SINT (insn, 32, 15, 16)) << (2))) + (((pc) + (4)))); \
308
 
309
#define EXTRACT_IFMT_JALR_VARS \
310
  UINT f_opcode; \
311
  UINT f_rs; \
312
  UINT f_rt; \
313
  UINT f_rd; \
314
  UINT f_shamt; \
315
  UINT f_func; \
316
  unsigned int length;
317
#define EXTRACT_IFMT_JALR_CODE \
318
  length = 4; \
319
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
320
  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
321
  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
322
  f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
323
  f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
324
  f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
325
 
326
#define EXTRACT_IFMT_JR_VARS \
327
  UINT f_opcode; \
328
  UINT f_rs; \
329
  UINT f_rt; \
330
  UINT f_rd; \
331
  UINT f_shamt; \
332
  UINT f_func; \
333
  unsigned int length;
334
#define EXTRACT_IFMT_JR_CODE \
335
  length = 4; \
336
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
337
  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
338
  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
339
  f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
340
  f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
341
  f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
342
 
343
#define EXTRACT_IFMT_LB_VARS \
344
  UINT f_opcode; \
345
  UINT f_rs; \
346
  UINT f_rt; \
347
  UINT f_imm; \
348
  unsigned int length;
349
#define EXTRACT_IFMT_LB_CODE \
350
  length = 4; \
351
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
352
  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
353
  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
354
  f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16); \
355
 
356
#define EXTRACT_IFMT_LUI_VARS \
357
  UINT f_opcode; \
358
  UINT f_rs; \
359
  UINT f_rt; \
360
  UINT f_imm; \
361
  unsigned int length;
362
#define EXTRACT_IFMT_LUI_CODE \
363
  length = 4; \
364
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
365
  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
366
  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
367
  f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16); \
368
 
369
#define EXTRACT_IFMT_BREAK_VARS \
370
  UINT f_opcode; \
371
  UINT f_rs; \
372
  UINT f_rt; \
373
  UINT f_rd; \
374
  UINT f_shamt; \
375
  UINT f_func; \
376
  unsigned int length;
377
#define EXTRACT_IFMT_BREAK_CODE \
378
  length = 4; \
379
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
380
  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
381
  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
382
  f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
383
  f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
384
  f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
385
 
386
#define EXTRACT_IFMT_SYSCALL_VARS \
387
  UINT f_opcode; \
388
  UINT f_excode; \
389
  UINT f_func; \
390
  unsigned int length;
391
#define EXTRACT_IFMT_SYSCALL_CODE \
392
  length = 4; \
393
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
394
  f_excode = EXTRACT_LSB0_UINT (insn, 32, 25, 20); \
395
  f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
396
 
397
#define EXTRACT_IFMT_ANDOUI_VARS \
398
  UINT f_opcode; \
399
  UINT f_rs; \
400
  UINT f_rt; \
401
  UINT f_imm; \
402
  unsigned int length;
403
#define EXTRACT_IFMT_ANDOUI_CODE \
404
  length = 4; \
405
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
406
  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
407
  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
408
  f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16); \
409
 
410
#define EXTRACT_IFMT_MRGB_VARS \
411
  UINT f_opcode; \
412
  UINT f_rs; \
413
  UINT f_rt; \
414
  UINT f_rd; \
415
  UINT f_10; \
416
  UINT f_mask; \
417
  UINT f_func; \
418
  unsigned int length;
419
#define EXTRACT_IFMT_MRGB_CODE \
420
  length = 4; \
421
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
422
  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
423
  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
424
  f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
425
  f_10 = EXTRACT_LSB0_UINT (insn, 32, 10, 1); \
426
  f_mask = EXTRACT_LSB0_UINT (insn, 32, 9, 4); \
427
  f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
428
 
429
#define EXTRACT_IFMT_BC0F_VARS \
430
  UINT f_opcode; \
431
  UINT f_rs; \
432
  UINT f_rt; \
433
  SI f_offset; \
434
  unsigned int length;
435
#define EXTRACT_IFMT_BC0F_CODE \
436
  length = 4; \
437
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
438
  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
439
  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
440
  f_offset = ((((EXTRACT_LSB0_SINT (insn, 32, 15, 16)) << (2))) + (((pc) + (4)))); \
441
 
442
#define EXTRACT_IFMT_CFC0_VARS \
443
  UINT f_opcode; \
444
  UINT f_rs; \
445
  UINT f_rt; \
446
  UINT f_rd; \
447
  UINT f_10_11; \
448
  unsigned int length;
449
#define EXTRACT_IFMT_CFC0_CODE \
450
  length = 4; \
451
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
452
  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
453
  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
454
  f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
455
  f_10_11 = EXTRACT_LSB0_UINT (insn, 32, 10, 11); \
456
 
457
#define EXTRACT_IFMT_CHKHDR_VARS \
458
  UINT f_opcode; \
459
  UINT f_rs; \
460
  UINT f_rt; \
461
  UINT f_rd; \
462
  UINT f_shamt; \
463
  UINT f_func; \
464
  unsigned int length;
465
#define EXTRACT_IFMT_CHKHDR_CODE \
466
  length = 4; \
467
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
468
  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
469
  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
470
  f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
471
  f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
472
  f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
473
 
474
#define EXTRACT_IFMT_LULCK_VARS \
475
  UINT f_opcode; \
476
  UINT f_rs; \
477
  UINT f_rt; \
478
  UINT f_rd; \
479
  UINT f_shamt; \
480
  UINT f_func; \
481
  unsigned int length;
482
#define EXTRACT_IFMT_LULCK_CODE \
483
  length = 4; \
484
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
485
  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
486
  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
487
  f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
488
  f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
489
  f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
490
 
491
#define EXTRACT_IFMT_PKRLR1_VARS \
492
  UINT f_opcode; \
493
  UINT f_rs; \
494
  UINT f_rt; \
495
  UINT f_count; \
496
  UINT f_index; \
497
  unsigned int length;
498
#define EXTRACT_IFMT_PKRLR1_CODE \
499
  length = 4; \
500
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
501
  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
502
  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
503
  f_count = EXTRACT_LSB0_UINT (insn, 32, 15, 7); \
504
  f_index = EXTRACT_LSB0_UINT (insn, 32, 8, 9); \
505
 
506
#define EXTRACT_IFMT_RFE_VARS \
507
  UINT f_opcode; \
508
  UINT f_25; \
509
  UINT f_24_19; \
510
  UINT f_func; \
511
  unsigned int length;
512
#define EXTRACT_IFMT_RFE_CODE \
513
  length = 4; \
514
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
515
  f_25 = EXTRACT_LSB0_UINT (insn, 32, 25, 1); \
516
  f_24_19 = EXTRACT_LSB0_UINT (insn, 32, 24, 19); \
517
  f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
518
 
519
#define EXTRACT_IFMT_J_VARS \
520
  UINT f_opcode; \
521
  UINT f_rsrvd; \
522
  USI f_jtarg; \
523
  unsigned int length;
524
#define EXTRACT_IFMT_J_CODE \
525
  length = 4; \
526
  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
527
  f_rsrvd = EXTRACT_LSB0_UINT (insn, 32, 25, 10); \
528
  f_jtarg = ((((pc) & (0xf0000000))) | (((EXTRACT_LSB0_UINT (insn, 32, 15, 16)) << (2)))); \
529
 
530
/* Collection of various things for the trace handler to use.  */
531
 
532
typedef struct trace_record {
533
  IADDR pc;
534
  /* FIXME:wip */
535
} TRACE_RECORD;
536
 
537
#endif /* CPU_IQ2000BF_H */

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.