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[thirdparty/binutils-gdb.git] / sim / v850 / ChangeLog
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cd0fc7c3
SS		 11999-05-08 Felix Lee <flee@cygnus.com>
2
3 * configure: Regenerated to track ../common/aclocal.m4 changes.
4
c906108c
SS		 5Tue Dec 1 17:25:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
6
7 * Makefile.in (NL_TARGET): Define as -DNL_TARGET_v850.
8
9Wed Nov 25 17:52:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
10
11 * Makefile.in (simops.o): Depends on targ-vals.h
12 * simops.c: Include targ-vals.h instead of
13 libgloss/.../syscall.h. Replace SYS_* with TARGET_SYS_*.
14 (divn, divun, OP_1C007E0, OP_18207E0, OP_1C207E0,OP_18007E0):
15 Replace signed long int with signed32.
16
17Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
18
19 * interp.c: #include "itable.h".
20 (get_insn_name): New function.
21 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
22 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
23
24Wed May 6 19:43:27 1998 Doug Evans <devans@canuck.cygnus.com>
25
26 * sim-main.h (INSN_NAME): New arg `cpu'.
27
28Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
29
30 * configure: Regenerated to track ../common/aclocal.m4 changes.
31
32Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
33
34 * configure: Regenerated to track ../common/aclocal.m4 changes.
35 * config.in: Ditto.
36
37Sun Apr 26 15:19:14 1998 Tom Tromey <tromey@cygnus.com>
38
39 * acconfig.h: New file.
40 * configure.in: Reverted change of Apr 24; use sinclude again.
41
42Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
43
44 * configure: Regenerated to track ../common/aclocal.m4 changes.
45 * config.in: Ditto.
46
47Fri Apr 24 11:18:08 1998 Tom Tromey <tromey@cygnus.com>
48
49 * configure.in: Don't call sinclude.
50
51Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
52
53 * configure: Regenerated to track ../common/aclocal.m4 changes.
54 * sim-main.h (SIM_MAIN_H): Wrap header.
55
56Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
57
58 * configure: Regenerated to track ../common/aclocal.m4 changes.
59
60Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
61
62 * configure: Regenerated to track ../common/aclocal.m4 changes.
63
64Tue Mar 10 15:54:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
65
66 * interp.c (sim_stop): Delete, second attempt.
67
68Thu Feb 26 19:09:47 1998 Andrew Cagney <cagney@b1.cygnus.com>
69
70 * interp.c (sim_info): Delete.
71
72Wed Feb 18 10:47:32 1998 Andrew Cagney <cagney@b1.cygnus.com>
73
74 * sim-main.h (TRACE_ALU_INPUT*): Delete. Moved to sim-trace.[hc].
75
76 * simops.c (trace_result): Call trace_generic instead of
77 trace_one_insn.
78 (trace_module): Change variable type to integer.
79 (trace_input): Initialize trace_module with TRACE_ALU_IDX.
80
81 * sim-main.h (trace_module): Change variable decl to integer type.
82 (TRACE_BRANCH*, TRACE_LD, TRACE_ST): Update.
83
84Tue Feb 17 12:51:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
85
86 * interp.c (sim_store_register, sim_fetch_register): Pass in
87 length parameter. Return -1.
88
89Tue Feb 3 16:24:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
90
91 * sim-main.h (IMEM16, IMEM16_IMMED): Rename IMEM and
92 IMEM_IMMED. To match recent igen change.
93
94Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
95
96 * configure: Regenerated to track ../common/aclocal.m4 changes.
97
98Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
99
100 * configure: Regenerated to track ../common/aclocal.m4 changes.
101
102Fri Jan 30 09:51:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
103
104 * sim-main.h (CPU_CIA): Delete, replaced by.
105 (CIA_SET, CIA_SET): Define.
106
107Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
108
109 * configure: Regenerated to track ../common/aclocal.m4 changes.
110
111Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
112
113 * configure: Regenerated to track ../common/aclocal.m4 changes.
114 * config.in: Ditto.
115
116Fri Dec 5 09:26:08 1997 Nick Clifton <nickc@cygnus.com>
117
118 * v850.igen: Revert break value back to its old value.
119
120Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
121
122 * configure: Regenerated to track ../common/aclocal.m4 changes.
123
124Wed Dec 3 17:27:19 1997 Nick Clifton <nickc@cygnus.com>
125
126 * v850.igen: Make break have a zero first field, since otherwise
127 it clashes with the DIVH instruction.
128
129Sat Nov 22 21:32:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
130
131 * simops.c (OP_10007E0): Rename SIGABRT -> SIM_SIGABRT. Give
132 sim_stopped instead of sim_signalled.
133
134 * v850.igen (BREAK), simops.c (OP_12007E0): Rename SIGTRAP to
135 SIM_SIGTRAP.
136 (illegal): Rename SIGILL to SIM_SIGILL.
137
138 * sim-main.h, simops.c, interp.c: Do not include signal.h.
139
140 * sim-main.h: Include sim-signal.h instead of signal.h.
141 (SIGTRAP, SIGQUIT): Delete definition.
142 (SIG_V850_EXIT): Delete definition.
143
144Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
145
146 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
147
148Fri Oct 31 10:33:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
149
150 * interp.c (sim_open): Check state magic number.
151 (sim-assert.h): Include.
152
153Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
154
155 * v850.igen: Add model filter field to records.
156
157Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
158
159 * configure: Regenerated to track ../common/aclocal.m4 changes.
160
161Fri Sep 26 11:56:02 1997 Felix Lee <flee@cygnus.com>
162
163 * sim-main.h: delete null override of SIM_ENGINE_HALT_HOOK and
164 SIM_ENGINE_RESTART_HOOK.
165
166Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
167
168 * configure: Regenerated to track ../common/aclocal.m4 changes.
169
170Wed Sep 24 17:28:26 1997 Andrew Cagney <cagney@b1.cygnus.com>
171
172 * sim-main.h (WITH_TARGET_WORD_MSB): Delete.
173
174 * configure.in (SIM_AC_OPTION_BITSIZE): Specify 32 bit
175 architecture with MSB == 31.
176
177Wed Sep 24 14:04:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
178
179 * v850.igen: Make divh insn with RRRRR==0 breakpoint.
180
181Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
182
183 * configure: Regenerated to track ../common/aclocal.m4 changes.
184
185Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
186
187 * Makefile.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
188 SIM_HOSTENDIAN, SIM_RESERVED_BITS): Delete, moved to common.
189 (SIM_EXTRA_CFLAGS): Update.
190
191Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
192
193 * configure: Regenerated to track ../common/aclocal.m4 changes.
194 * configure.in: Really specify NONSTRICT_ALIGNMENT as the default.
195
196Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
197
198 * configure.in: Specify NONSTRICT_ALIGNMENT as the default.
199 * configure: Regenerated to track ../common/aclocal.m4 changes.
200
201Fri Sep 19 10:37:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
202
203 * v850.igen (disp16): Use EXTEND16 to sign extend disp.
204 (disp22): Only shift left by 1, not 2.
205 ("jmp"): Ensure PC is 2 byte aligned.
206
207 * simops.c, v850.igen: Move "Bcond", "jr", "jarl" code to
208 v850.igen. Fix tracing.
209
210 * simops.c (OP_300, OP_400, OP_500): Move "sdl.b", "sld.h",
211 "sld.w" insns to v850.igen. Fix tracing.
212 (OP_70): Ditto for "sld.hu".
213
214 * v850.igen: Clarify tracing of "sld.b", "sld.h" et.al.
215
216 * simops.c (condition_met): Make global.
217
218 * sim-main.h (TRACE_ALU_INPUT3, TRACE_BRANCH0, TRACE_LD,
219 TRACE_ST): Define.
220 (TRACE_LD_NAME): Define.
221
222 * simops.c: Move "cmov", "cmov imm" to v850.igen, fix.
223
224Wed Sep 17 16:21:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
225
226 * simops.c: Move "mov", "reti", to v850.igen, fix tracing.
227
228 * interp.c (hash): Delete.
229
230 * v850.igen (nop): Really do nothing.
231
232 * interp.c (do_interrupt): Mask interrupts after PSW is saved, not
233 before.
234 * v850.igen (reti): Return to current PC not previous.
235
236Wed Sep 17 14:02:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
237
238 * simops.c: Move "ctret", "bsw", "hsw" to v850.igen, fix tracing.
239 (trace_module): Global, save component/module name across insn.
240
241 * simops.c: Move "bsh" to v850.igen, fix.
242
243 * v850.igen (callt): Load correct number of bytes. Fix tracing.
244 (stsr, ldsr): Correct src, dest fields. Fix tracing.
245 (ctret): Force alignment. Fix tracing.
246
247Tue Sep 16 22:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
248
249 * simops.c (trace_output): Add result argument.
250 (trace_result): New function. Simpler version of trace_output,
251 assumes trace needed.
252 (trace_output): Call trace_result.
253 (trace_output): For IMM_REG_REG, trace correct register.
254 (trace_input): Add case for 16bit immediates.
255 (OP_600, OP_640, OP_680, OP_6C0, OP_6A0): Use.
256
257 * sim-main.h (TRACE_ALU_INPUT, TRACE_ALU_RESULT): Define.
258 (trace_values, trace_name, trace_pc, trace_num_values): Make
259 global.
260 (GR, SR): Define.
261
262 v850.insn (movea, stsr): Use.
263 (sxb, sxh, zxb, zxh): Ditto.
264
265Tue Sep 16 21:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
266
267 * simops.c: Move "movea" from here.
268 * v850.igen: To here.
269
270 * v850.igen (simm16): Define, sign extend imm16.
271 (uimm16): Define, no sign extension.
272 (addi, andi, movea, movhi, mulhi, ori, satsubi, xori): Use.
273
274 * simops.c: Move "sxh", "switch", "sxb", "callt", "dispose",
275 "mov32" from here.
276 * v850.igen: To here.
277 (switch): Fix off by two error in NIA calc.
278
279Tue Sep 16 15:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
280
281 * simops.c (trace_pc, trace_name, trace_values, trace_num_values):
282 New static globals.
283 (trace_input): Just save pc, name and values for trace_output.
284 (trace_output): Write trace values to a buffer. Use
285 trace_one_insn to print trace info and buffer.
286 (SIZE_OPERANDS, SIZE_LOCATION): Delete.
287
288Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
289
290 * sim-main.h (struct _sim_cpu): Add psw_mask so that reserved bits
291 can be masked out.
292
293 * simops.c (OP_2007E0, OP_4007E0): Move "ldsr", "stsr"
294 instructions from here.
295 * v850.igen (ldsr, stsr): To here. Mask out reserved bits when
296 setting PSW.
297
298 * interp.c (sim_open): Set psw_mask if machine known.
299
300Tue Sep 16 10:20:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
301
302 * v850-dc: Add rule to diferentiate between breakpoint and divh.
303 * v850.igen (break): New instruction, breakpoint simulator.
304 * v850.igen (breakpoint): Enable. Change to a 32bit instruction.
305
306Mon Sep 15 18:44:05 1997 Jim Wilson <wilson@cygnus.com>
307
308 * simops.c (Multiply64): Don't store into register zero.
309
310Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
311
312 * Makefile.in (semantics.o): Add dependency.
313
314 * sim-main.h (SAVE_1, SAVE_2): Perform backward compatible save,
315 do not adjust CIA/NIA.
316
317Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
318
319 * simops.c (OP_300, OP_400, OP_70): Make behavour depend on PSW[US].
320
321 * simops.c: Move "divun", "sld.bu", "divhn", "divhun", "divn",
322 "divun", "pushml" code from here to v850.igen.
323 (divun): Make global.
324 (type3_regs): Make global
325
326 * v850.igen: Move simops.c code to here.
327
328 * interp.c (sim_create_inferior): For v850eq set US bit by
329 default.
330
331 * interp.c (sim_open): Don't set arch, now set by
332 sim_analyze_program.
333
334 * configure: Regenerated to track ../common/aclocal.m4 changes.
335
336Mon Sep 15 14:39:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
337
338 * simops.c (op_types): Move from here.
339 sim-main.h: To here.
340
341 * sim-main.h (trace_input, trace_output), simops.c: Make global.
342
343 * simops.c (OP_60): Move "jmp" code from here.
344 * v850.igen (jmp): To here.
345
346 * simops.c (OP_60): Move "sld.bu" code from here.
347 * v850.igen (sld.bu): To here.
348
349Fri Sep 12 15:11:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
350
351 * v850.igen (prepare, ...): Add to v850eq architecture.
352
353 * interp.c (sim_open): Default to v850eq.
354
355 * interp.c (sim_open): Default to v850e.
356 * sim-main.h (signal.h): Include.
357
358 * v850.igen (illegal): Report/halt illegal instructions.
359
360 * Makefile.in (SIM_EXTRA_CFLAGS): Add SIM_RESERVED_BITS.
361
362 * configure.in: Add reserved bits option.
363 * configure: Regenerate.
364
365Thu Sep 11 08:40:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
366
367 * interp.c (sim_open): Use sim_do_commandf instead of asprintf.
368
369 * sim-main.h (INSN_NAME):
370
371 * Makefile.in (INCLUDE): Add SIM_EXTRA_DEPS.
372 (SIM_EXTRA_DEPS): Add itable.h
373 (tmp-gencode): Does not depend on simops.h
374
375 * sim-main.h (itable.h): Include.
376 (MAX_INSNS, INSN_NAME): Define.
377
378 * interp.c: Compute inttype from the interrupt_names index that
379 was passed in.
380
381Wed Sep 10 10:25:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
382
383 * simops.c (trace_input): Use trace_printf instead of
384 sim_io_printf.
385 (trace_output): Ditto.
386 (trace_input): Only trace when TRACE_ALU_P. Delete code
387 disasembling instruction.
388 (trace_output): Only trace when TRACE_ALU_P.
389
390Tue Sep 9 01:29:50 1997 Andrew Cagney <cagney@b1.cygnus.com>
391
392 * simops.c (trace_input, trace_output): Use sim_io_printf.
393 (OP_620): Pass correct argument to trace.
394 (OP_E607E0): Ditto.
395 (trace_input): Obtain prog_bfd, text_start et.al from simulator
396 struct.
397
398Mon Sep 8 21:03:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
399
400 * v850.igen: New file.
401 * v850-dc: New file.
402
403Mon Sep 8 18:33:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
404
405
406 * sim-main.h (SEXT16): Delete, use EXTEND16.
407 (SEXT8): Delete, use EXTEND8.
408 (SEXT32): Delete, used?
409 (SEXT40, SEXT44, SEXT64): Use UNSIGNED64 for constants, not ...LL.
410 (WITH_TARGET_WORD_MSB): Define as 31. v850 little bit endian.
411
412 * simops.c: Use EXTEND15 from sim-bits instead of SEXT16.
413
414 * sim-main.h (DEBUG_TRACE, DEBUG_VALUES, v850_debug): Delete,
415 replace with TRACE_INSN_P and TRACE_ALU_P.
416
417 * simops.c (trace_input, trace_output): Update.
418
419 * interp.c (sim_engine_run): Delete.
420 (lookup_hash): Delete.
421 (sim_open): Do not fill hash table.
422 (sim_trace): Delete.
423
424Fri Sep 5 17:04:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
425
426 * simops.c (OP_FFFF): Use sim_engine_halt.
427 (OP_12007E0): Ditto.
428 (OP_10007E0): Ditto.
429
430 * sim-main.h (struct sim_cpu): Delete member exception. Using
431 sim-engine et.al.
432
433 * interp.c (sim_info): Do not do anything in sim-info.
434 (sim_stop): Delete, replace with sim-stop.
435 (sim_stop_reason): Delete, replace with sim-reason.
436
437 * sim-main.h (WITH_WATCHPOINTS): Define.
438 (WITH_MODULO_MEMORY): Define
439
440 * Makefile.in (SIM_OBJS): Add sim-resume, sim-watch, sim-stop,
441 sim-reason.
442
443 * interp.c (enum interrupt_cond_type): Delete.
444 (struct interrupt_generator): Delete.
445 (enum interrupt_type): Drop int_none.
446 (sim_open): Initialize WATCHPOINT module.
447 (sim_resume, sim_run): Rename sim_resume to sim_run.
448 (sim_engine_run): Replace interrupt code with call to sim-events.
449 (sim_set_interrupt): Delete.
450 (sim_parse_number): Delete.
451
452Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
453
454 * configure: Regenerated to track ../common/aclocal.m4 changes.
455
456Thu Sep 4 18:11:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
457
458 * simops.c (fetch_argv): New function, fetch a arg vector from
459 simulator memory.
460
461 * configure.in: Check for fork, execve, execv.
462 * configure: Regenerate.
463
464 * interp.c (sim_store_register, sim_fetch_register): Use H2T_4 and
465 T2H_4 for byte swapping.
466
467 * sim-main.h, interp.c (get_word, get_half, get_byte, put_word,
468 put_half, put_byte): Delete.
469
470 * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
471
472 * sim-main.h (load_mem, store_mem): Redefine as macros.
473 (IMEM, IMEM_IMMED): New macros - fetch instructions.
474
475 * simops.c (OP_10007E0): For SYS_read, SYS_write, SYS_open
476 transfer data via a buffer.
477 (fetch_str): New function, fetch string from memory.
478
479 * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
480
481 * interp.c (sim_open): Establish memory maps using sim-memopt.c
482 via sim_do_command.
483 (sim_do_command): Print error if memory-map command is used. Call
484 sim_args_command.
485 (map): Delete, replaced by sim-core.
486 (sim_memory_init): Delete, replaced by sim-core.
487 (sim_set_memory_map): Delete, replaced by sim-memopt.
488 (load_mem): Delete, replaced by sim-core.
489 (store_mem): Delete, replaced by sim-core.
490 (sim_write): Delete, replaced by sim-hrw.
491 (sim_read): Delete, replaced by sim-hrw.
492
493 * sim-main.h (struct sim_state): Remove memory members, using
494 sim-core.c
495
496Wed Sep 3 10:18:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
497
498 * sim-main.h: Replace SIM_HAVE_FLATMEM with mem ptr.
499 * interp.c (map): Do not add to a void pointer.
500
501 * Makefile.in (INCLUDE): Add sim-main.h
502
503 * configure.in: Check for time.h
504 * configure: Re-generate.
505
506 * interp.c (struct interrupt_generator): Make time unsigned long,
507 address SIM_ADDR.
508 (sim_resume): Make oldpc SIM_ADDR.
509 (struct hash_entry): Make mask/opcode unsigned.
510
511 * v850_sim.h (struct simops ): Make opcode and mask unsigned.
512
513 * simops.c (utime.h): Include if available.
514 (OP_10007E0): Check for UTIME function.
515 (divun): Put parentheses around shift argument.
516 (OP_640): Put parentheses around shift argument, was wrong.
517 (OP_107F0): Return something.
518
519 * interp.c (sim_parse_number): Use strtoul not strtol.
520 (sim_resume): Use sim_elapsed_time_get to keep track of the time.
521
522 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
523 (SIM_AC_OPTION_ENDIAN): Set to hardwired big.
524 (SIM_AC_OPTION_HOST_ENDIAN): Add.
525 (AC_CHECK_FUNCS): Add utime.
526 (AC_CHECK_HEADERS): Add stdlib.h, string.h, strings.h, utime.h
527 configure: Regenerate.
528
529
530 * Makefile.in (SIM_RUN_OBJS): Use nrun.o.
531 (SIM_OBJS): Add sim-io.o, sim-hload.o, sim-utils.o, sim-options.o,
532 sim-config.o, sim-module.o, sim-events.o, sim-core.o,
533 sim-endian.o, sim-engine.o, sim-trace.o, sim-profile.o
534 (SIM_ENDIAN, SIM_WARNGINS): Define.
535
536 * simops.c (OP_10007E0): Use sim_io_* for transfers.
537
538 * interp.c (sim_resume): Pass sd around.
539
540 * simops.c (sim-main.h): Include.
541
542 * gencode.c (write_template): Generate #include sim-main.h.
543 (write_opcodes): Ditto.
544
545 * interp.c (prog_bfd, prog_bfd_was_opened_p): Delete.
546 (v850_callback): Ditto.
547 (sim_kind, myname): Ditto.
548 (lookup_hash): Pass SD. Use sim_io_error.
549 (sim_set_memory_map): Pass in SD, use.
550 (init_system): Pass in SD, use.
551 (sim_open): Update.
552 (sim_set_profile): Delete.
553 (sim_set_profile_size): Delete.
554 (do_interrupt): Pass in SD, use.
555 (sim_info): Use sim_io_printf.
556 (sim_create_inferior): Reset registers. Set PC from prog_bfd
557 argument.
558 (sim_load): Delete, use common/sim-hload.c
559 (sim_size): Rename to sim_memory_init.
560 (sim_write): Remove call to init_system.
561 (init_system): Delete.
562 (sim_set_callbacks): Delete.
563 (sim_set_interrupt): Pass in SD, use.
564 (start_time): Delete.
565
566 * v850_sim.h: Remove everything except `struct simops' from here.
567 * sim-main.h: Move most to here.
568 * gencode.c: Move #includes to here.
569
570 * sim-main.h(struct _sim_cpu): Rename struct _state.
571 (#define PC, et.al.): Update
572 (v850_callback): Delete. Replaced with SIM_DESC arg.
573 (int8, uint8, int16, uint16, int32, uint32): Define types using
574 unsigned8 et.al from common/sim-types.h.
575 * sim-main.h (State): Define as STATE_CPU.
576
577Mon Sep 1 12:07:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
578
579 * configure.in: Check for time, chmod.
580 * configure: Regenerate.
581 * simops.c (SYS_time, SYS_chmod): Use HAVE_TIME, HAVE_CHMOD.
582
583 * simops.c (../../libgloss/v850/sys/syscall.h): Include instead of
584 sys/syscall.h.
585 (OP_10007E0): Check the existance each SYS_* macro independantly.
586
587 * v850_sim.h (SIGQUIT, SIGTRAP): Only define if missing.
588
589Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
590
591 * configure: Regenerated to track ../common/aclocal.m4 changes.
592 * config.in: Ditto.
593
594Tue Aug 26 10:42:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
595
596 * interp.c (sim_kill): Delete.
597 (sim_create_inferior): Add ABFD argument.
598 (sim_load): Move setting of PC from here.
599 (sim_create_inferior): To here.
600
601Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
602
603 * configure: Regenerated to track ../common/aclocal.m4 changes.
604 * config.in: Ditto.
605
606Mon Aug 25 11:31:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
607
608 * interp.c (sim_open): Add ABFD argument.
609
610Fri Aug 22 10:39:28 1997 Nick Clifton <nickc@cygnus.com>
611
612 * simops.c (bsh): Only set CY flag if either of the bottom
613 bytes is zero.
614
615 * simops.c (prepare, dispose): Lower numbered
616 registers go to higher numbered address.
617
618 * simops.c (unsigned divide instructions): S bit set if result has
619 top bit set.
620
621 * simops.c (pushml, pushmh, popml, popmh): Lower numbered
622 registers go to higher numbered address.
623
624Wed Aug 20 13:56:35 1997 Nick Clifton <nickc@cygnus.com>
625
626 * simops.c (OP_107E0, OP_107F0, OP_307E0, OP_307F0): Use correct
627 interpretation of SR bit in list18 structure.
628 (divn, divun): New functions to perform N step divide functions.
629
630Mon Aug 18 10:59:02 1997 Nick Clifton <nickc@cygnus.com>
631
632 * simops.c (OP_300, OP_400, OP_60, OP_70): Support variant opcodes
633 with US bit set in the PSW.
634
635Wed Aug 13 19:06:55 1997 Nick Clifton <nickc@cygnus.com>
636
637 * interp.c (sim_resume): Opcode functions return amount to be
638 added to PC and all opcodes take a standard format in the OP[]
639 array.
640
641 (do_format_*): Functions removed.
642
643 * v850_sim.h (SP, EP): New register mnemonics.
644
645 * gencode.c (write_header): Functions prototypes return an
646 integer.
647
648 * simops.c: Opcode functions return amount to be added to PC.
649
650 * v850_sim.h (CTPC, CTPSW, CTBP): New register mnemonics.
651
652 * simops.c: Add support for v850e instructions.
653
654 * simops.c: Add support for v850eq instructions.
655
656Tue May 20 10:24:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
657
658 * interp.c (sim_open): Add callback argument.
659 (sim_set_callbacks): Delete SIM_DESC argument.
660
661Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
662
663 * configure: Regenerated to track ../common/aclocal.m4 changes.
664
665Wed Apr 23 17:20:16 1997 Doug Evans <dje@canuck.cygnus.com>
666
667 * interp.c (prog_bfd_was_opened_p): New static local.
668 (prog_bfd): New global variable.
669 (sim_open): Undo patch to add -E support.
670 (sim_close): Close prog_bfd if sim_load opened it.
671 (sim_load): Record bfd of loaded file in prog_bfd.
672 * simops.c (prog_bfd): Renamed from exec_bfd.
673
674Fri Apr 18 14:17:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
675
676 * interp.c (sim_stop): Stub function.
677
678Thu Apr 17 03:53:18 1997 Doug Evans <dje@canuck.cygnus.com>
679
680 * Makefile.in (SIM_OBJS): Add sim-load.o.
681 * interp.c (sim_kind, myname): New static locals.
682 (sim_open): Set sim_kind, myname. Ignore -E arg.
683 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
684 load file into simulator. Set start address from bfd.
685 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
686
687Wed Apr 16 19:53:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
688
689 * simops.c (OP_10007E0): Only provide system calls SYS_execv,
690 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
691
692Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
693
694 * configure: Regenerated to track ../common/aclocal.m4 changes.
695 * config.in: Ditto.
696
697Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
698
699 * interp.c (sim_open): New arg `kind'.
700
701 * configure: Regenerated to track ../common/aclocal.m4 changes.
702
703Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
704
705 * configure: Regenerated to track ../common/aclocal.m4 changes.
706
707Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
708
709 * configure: Regenerated to track ../common/aclocal.m4 changes.
710
711Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
712
713 * configure: Re-generate.
714
715Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
716
717 * configure: Regenerate to track ../common/aclocal.m4 changes.
718
719Thu Mar 13 13:00:54 1997 Doug Evans <dje@canuck.cygnus.com>
720
721 * interp.c (sim_open): New SIM_DESC result. Argument is now
722 in argv form.
723 (other sim_*): New SIM_DESC argument.
724
725Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
726
727 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
728 COMMON_{PRE,POST}_CONFIG_FRAG instead.
729 * configure.in: sinclude ../common/aclocal.m4.
730 * configure: Regenerated.
731
732Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
733
734 * configure configure.in Makefile.in: Update to new configure
735 scheme which is more compatible with WinGDB builds.
736 * configure.in: Improve comment on how to run autoconf.
737 * configure: Re-run autoconf to get new ../common/aclocal.m4.
738 * Makefile.in: Use autoconf substitution to install common
739 makefile fragment.
740
741Mon Jan 20 16:05:34 1997 Michael Meissner <meissner@tiktok.cygnus.com>
742
743 * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
744 not zero extend.
745
746Tue Jan 14 17:06:03 1997 Stu Grossman (grossman@critters.cygnus.com)
747
748 * simops.c: Put ifdefs around things to make MSVC happy. Get rid
749 of unistd.h. Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
750 SYS_gettimeofday and SYS_utime from MSVC.
751
752Tue Dec 31 18:11:13 1996 Michael Meissner <meissner@tiktok.cygnus.com>
753
754 * simops.c (OP_10007E0): Know that kill encodes the signal number
755 via: 0xdead0000 | signal and turn it back into a signal.
756
757Fri Dec 27 14:44:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
758
759 * v850_sim.h (SIG_V850_EXIT): Define as -1.
760
761 * interp.c (sim_open): Cast calloc function.
762 (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
763 program exited with the appropriate exit code.
764 (sim_set_interrupt): Declare buildargv.
765
766 * simops.c (OP_10007E0): Make exit signal normal exit. Make time
767 type correct and work on big endian systems.
768
769Wed Nov 20 02:18:44 1996 Doug Evans <dje@canuck.cygnus.com>
770
771 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
772 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
773 * configure.in: Simplify using macros in ../common/aclocal.m4.
774 Call AC_CHECK_HEADERS(unistd.h).
775 * configure: Regenerated.
776 * config.in: New file.
777 * simops.c: #include "config.h". #include <unistd.h> if present.
778
779Sun Nov 3 23:02:54 1996 Stan Shebs <shebs@andros.cygnus.com>
780
781 * v850_sim.h (State): New slots dummy_mem, pending_nmi.
782 (EIPC, etc): New macros for system registers.
783 * simops.c, interp.c: Use everywhere.
784
785 * interp.c: Add support for interrupts issued by interrupt
786 generators, either PC- or time-based. Controlled by simulator
787 command "sim interrupt".
788
789 * interp.c: Add support for variable-size allocation of memory,
790 via simulator command "sim memory-map".
791 (map): Issue SIGSEGV for references to invalid memory regions.
792
793Thu Oct 31 14:44:10 1996 Gavin Koch <gavin@cygnus.com>
794
795 * simops.c: Include <sys/time.h> for struct timeval and
796 struct timezone.
797
798Wed Oct 30 08:49:10 1996 Jeffrey A Law (law@cygnus.com)
799
800 * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
801
802 * simops.c (OP_10007E0): Handle SYS_time.
803
804Tue Oct 29 14:22:55 1996 Jeffrey A Law (law@cygnus.com)
805
806 * simops.c: Include <sys/stat.h>.
807 (OP_10007E0): Handle SYS_stat.
808
809Thu Oct 24 12:26:35 1996 Jeffrey A Law (law@cygnus.com)
810
811 * simops.c (OP_10007E0): Don't declare errno.
812
813 * simops.c (OP_500): Mask off low bit in displacement
814 for sld.w.
815 (OP_501): Similarly.
816
817 * simops.c (OP_500): Fix displacement handling for sld.w.
818 (OP_501): Similarly for sst.w.
819
820 * simops.c (trace_input): Remove all references to SEXT7.
821 (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
822 is zero extended for sst/sld instructions.
823 * v850_sim.h (SEX7): Delete. It's no longer needed (and it
824 was incorrect anyway).
825
826Thu Oct 24 10:33:33 1996 Stu Grossman (grossman@critters.cygnus.com)
827
828 * Makefile.in: Get rid of srcroot. Set all INSTALL macros via
829 autoconf.
830 * gencode.c (write_opcodes): Pad operands field to account for
831 MSVC braindamage.
832 * simops.c: Include errno.h. Exclude SYS_chown, since MSVC
833 doesn't support it. (Why is this here in the first place?!?)
834 * v850_sim.h: Get rid of 64 bit defs. Also, get rid of #elif's.
835 Change number of operands in struct simops from 9 to 6. Define
836 SIGTRAP and SIGQUIT for MSVC.
837
838Tue Oct 15 16:19:51 1996 Stu Grossman (grossman@critters.cygnus.com)
839
840 * interp.c (MEM_SIZE): It's now bytes, not a power of 2.
841 * (map): Add support for external mem in the 1->2 meg range.
842 Also, abort() when memory access is way out of bounds. (Better to
843 die than to give wrong result. (This will be fixed later.))
844 * (sim_size): MEM_SIZE is now bytes, not shift factor.
845
846Tue Oct 1 15:53:24 1996 Gavin Koch <gavin@cygnus.com>
847
848 * simops.c (trace_input): Swapped order of operands for output
849 output of OP_IMM_REG. Changed the fetching of the operands for
850 OP_LOAD32, and OP_STORE32 to work like op-function.
851
852Mon Sep 30 15:46:33 1996 Stu Grossman (grossman@critters.cygnus.com)
853
854 * interp.c: Move includes of remote-sim.h and callback.h to
855 v850-sim.h.
856 * (lookup_hash): Add PC to report of hash failure.
857 * (map load_mem store_mem): New memory subsystem. Models V851
858 memory system.
859 * (sim_write sim_read): Use new memory subsystem.
860 * (sim_resume): Don't load and save PC into EIPC anymore. Needed
861 to make user-defined traps work right.
862 * simops.c (OP_*): Use new memory subsystem.
863 * (OP_14007E0 (reti)): Implement reti.
864 * (OP_14996E0 (trap)): Implement user-defined traps. Move I/O to
865 trap 31. Use new memory subsystem.
866 * v850_sim.h: Prototypes for load_mem, store_mem and map. Use
867 load_mem in RLW macro.
868
869Fri Sep 27 18:34:09 1996 Stu Grossman (grossman@critters.cygnus.com)
870
871 * gencode.c (write_opcodes): Output hex values for opcode mask
872 and patterns.
873 * interp.c (sim_resume): Save and restore PC from the appropriate
874 register.
875 * (sim_fetch_register sim_store_register): Fix byte-order problem
876 with reading and writing registers.
877 * simops.c (OP_FFFF): Implement pseudo-breakpoint insn.
878
879Fri Sep 27 17:42:37 1996 Jeffrey A Law (law@cygnus.com)
880
881 * simops.c (trace_input): Fix thinko.
882
883Wed Sep 18 09:54:12 1996 Michael Meissner <meissner@tiktok.cygnus.com>
884
885 * simops.c (exec_bfd): Rename from sim_bfd.
886 (trace_input): Ditto.
887
888Thu Sep 12 12:03:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
889
890 * simops.c (trace_input): Use find_nearest_line to print line
891 number, function name or file name of PC.
892
893Wed Sep 11 16:44:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
894
895 * simops.c: Add tracing support. Use SEXTxx macros instead of
896 doing hardwired shifts.
897
898 * configure.in (--enable-sim-cflags): Add switch to add additional
899 flags to simulator buld. If --enable-sim-cflags=trace, turn on
900 tracing.
901 * configure: Regenerate.
902
903 * Makefile.in: Don't require a VPATH capable make if configuring
904 in the same directory. Don't use CFLAGS for configuration flags.
905 Add flags from --enable-sim-cflags. Support canadian cross
906 builds. Rebuild whole simulator if include files change.
907
908 * interp.c (v850_debug): New global for debugging.
909 (lookup_hash,sim_size,sim_set_profile): Use
910 printf_filtered callback, instead of calling printf directly.
911 (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
912
913 * v850_sim.h: Use limits.h to set the various sized types.
914 (SEXT{5,7,16,22}): New macros.
915
916Mon Sep 9 20:50:46 1996 Jeffrey A Law (law@cygnus.com)
917
918 * interp.c (hash): Make this an inline function
919 when compiling with GCC. Simplify.
920 * simpos.c: Explicitly include "sys/syscall.h". Remove
921 some #if 0'd code. Enable more emulated syscalls.
922
923Wed Sep 4 01:48:55 1996 Jeffrey A Law (law@cygnus.com)
924
925 * interp.c: Fix sign bit handling for add and sub instructions.
926
927Tue Sep 3 10:20:30 1996 Jeffrey A Law (law@cygnus.com)
928
929 * gencode.c: Fix various indention & style problems.
930 Remove test code. Remove #if 0 code.
931 * interp.c: Provide prototypes for all static functions.
932 Fix minor indention problems.
933 (sim_open, sim_resume): Remove unused variables.
934 (sim_read): Return type is "int".
935 * simops.c: Remove unused variables.
936 (divh): Make result of divide-by-zero zero.
937 (setf): Initialize result to keep compiler quiet.
938 (sar instructions): These just clear the overflow bit.
939 * v850_sim.h: Provide prototypes for put_byte, put_half
940 and put_word.
941
942 * interp.c: OP should be an array of 32bit operands!
943 (v850_callback): Declare.
944 (do_format_5): Fix extraction of OP[0].
945 (sim_size): Remove debugging printf.
946 (sim_set_callbacks): Do something useful.
947 (sim_stop_reason): Gross hacks to get c-torture running.
948 * simops.c: Simplify code for computing targets of bCC
949 insns. Invert 's' bit if 'ov' bit is set for some
950 instructions. Fix 'cy' bit handling for numerous
951 instructions. Make the simulator stop when a halt
952 instruction is encountered. Very crude support for
953 emulated syscalls (trap 0).
954 * v850_sim.h: Include "callback.h" and declare
955 v850_callback. Items in the operand array are 32bits.
956
957Sun Sep 1 22:35:35 1996 Jeffrey A Law (law@cygnus.com)
958
959 * interp.c (sim_resume): Fix code to check for a format 3
960 opcode.
961 * simops.c: bCC insns only argument is a constant, not a
962 register value (duh...)
963
964Fri Aug 30 10:33:49 1996 Jeffrey A Law (law@cygnus.com)
965
966 * simops.c: Fix "not1" and "set1".
967
968 * simops.c: Don't forget to initialize temp for
969 "ld.h" and "ld.w"
970
971 * interp.c: Remove various debugging printfs.
972
973 * simops.c: Fix satadd, satsub boundary case handling.
974
975 * interp.c (hash): Fix.
976 * interp.c (do_format_8): Get operands correctly and
977 call the target function.
978 * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
979
980Thu Aug 29 13:53:29 1996 Jeffrey A Law (law@cygnus.com)
981
982 * interp.c (do_format_4): Get operands correctly and
983 call the target function.
984 * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
985 "sst.h", and "sst.w".
986
987 * v850_sim.h: The V850 doesn't have split I&D spaces. Change
988 accordingly. Remove many unused definitions.
989 * interp.c: The V850 doesn't have split I&D spaces. Change
990 accordingly.
991 (get_longlong, get_longword, get_word): Deleted.
992 (write_longlong, write_longword, write_word): Deleted.
993 (get_operands): Deleted.
994 (get_byte, get_half, get_word): New functions.
995 (put_byte, put_half, put_word): New functions.
996 * simops.c: Remove unused functions. Rough cut at
997 "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
998
999 * v850_sim.h (struct _state): Remove "psw" field. Add
1000 "sregs" field.
1001 (PSW): Remove bogus definition.
1002 * simops.c: Change condition code handling to use the psw
1003 register within the sregs array. Handle "ldsr" and "stsr".
1004
1005 * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
1006
1007 * interp.c (do_format_5): Get operands correctly and
1008 call the target function.
1009 (sim_resume): Don't do a PC update for format 5 instructions.
1010 * simops.c: Handle "jarl" and "jmp" instructions.
1011
1012 * simops.c: Fix minor typos. Handle "cmp", "setf", "tst"
1013 "di", and "ei" instructions correctly.
1014
1015 * interp.c (do_format_3): Get operands correctly and call
1016 the target function.
1017 * simops.c: Handle bCC instructions.
1018
1019 * simops.c: Add condition code handling to shift insns.
1020 Fix minor typos in condition code handling for other insns.
1021
1022 * Makefile.in: Fix typo.
1023 * simops.c: Add condition code handling to "sub" "subr" and
1024 "divh" instructions.
1025
1026 * interp.c (hash): Update to be more accurate.
1027 (lookup_hash): Call hash rather than computing the hash
1028 code here.
1029 (do_format_1_2): Handle format 1 and format 2 instructions.
1030 Get operands correctly and call the target function.
1031 (do_format_6): Get operands correctly and call the target
1032 function.
1033 (do_formats_9_10): Rough cut so shift ops will work.
1034 (sim_resume): Tweak to deal with format 1 and format 2
1035 handling in a single funtion. Don't update the PC
1036 for format 3 insns. Fix typos.
1037 * simops.c: Slightly reorganize. Add condition code handling
1038 to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
1039 and "not" instructions.
1040 * v850_sim.h (reg_t): Registers are 32bits.
1041 (_state): The V850 has 32 general registers. Add a 32bit
1042 psw and pc register too. Add accessor macros
1043
1044 * Makefile.in, interp.c, v850_sim.h: Bring over endianness
1045 changes from the d10v simulator.
1046
1047 * simops.c: Add shift support.
1048
1049 * simops.c: Add multiply & divide support. Abort for system
1050 instructions.
1051
1052 * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
1053 and subr. No condition codes yet.
1054
1055Wed Aug 28 13:53:22 1996 Jeffrey A Law (law@cygnus.com)
1056
1057 * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
1058 gencode.c, interp.c, simops.c: Created.
1059
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