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

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.2/] [sim/] [iq2000/] [cpu.h] - Blame information for rev 481

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.