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2000-05-08 Michael Snyder <msnyder@seadog.cygnus.com>
[deliverable/binutils-gdb.git] / sim / v850 / ChangeLog
CommitLineData
de616bc7
FCE		 12000-03-24 Frank Ch. Eigler <fche@redhat.com>
2
3 * v850.igen (ilgop): New insn pattern for four-byte breakpoints.
4
d4f3574e
SS		 5Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
6
7 * configure: Regenerated to track ../common/aclocal.m4 changes.
8
cd0fc7c3
SS		 91999-05-08 Felix Lee <flee@cygnus.com>
10
11 * configure: Regenerated to track ../common/aclocal.m4 changes.
12
c906108c
SS		 13Tue Dec 1 17:25:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
14
15 * Makefile.in (NL_TARGET): Define as -DNL_TARGET_v850.
16
17Wed Nov 25 17:52:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
18
19 * Makefile.in (simops.o): Depends on targ-vals.h
20 * simops.c: Include targ-vals.h instead of
21 libgloss/.../syscall.h. Replace SYS_* with TARGET_SYS_*.
22 (divn, divun, OP_1C007E0, OP_18207E0, OP_1C207E0,OP_18007E0):
23 Replace signed long int with signed32.
24
25Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
26
27 * interp.c: #include "itable.h".
28 (get_insn_name): New function.
29 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
30 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
31
32Wed May 6 19:43:27 1998 Doug Evans <devans@canuck.cygnus.com>
33
34 * sim-main.h (INSN_NAME): New arg `cpu'.
35
36Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
37
38 * configure: Regenerated to track ../common/aclocal.m4 changes.
39
40Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
41
42 * configure: Regenerated to track ../common/aclocal.m4 changes.
43 * config.in: Ditto.
44
45Sun Apr 26 15:19:14 1998 Tom Tromey <tromey@cygnus.com>
46
47 * acconfig.h: New file.
48 * configure.in: Reverted change of Apr 24; use sinclude again.
49
50Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
51
52 * configure: Regenerated to track ../common/aclocal.m4 changes.
53 * config.in: Ditto.
54
55Fri Apr 24 11:18:08 1998 Tom Tromey <tromey@cygnus.com>
56
57 * configure.in: Don't call sinclude.
58
59Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
60
61 * configure: Regenerated to track ../common/aclocal.m4 changes.
62 * sim-main.h (SIM_MAIN_H): Wrap header.
63
64Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
65
66 * configure: Regenerated to track ../common/aclocal.m4 changes.
67
68Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
69
70 * configure: Regenerated to track ../common/aclocal.m4 changes.
71
72Tue Mar 10 15:54:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
73
74 * interp.c (sim_stop): Delete, second attempt.
75
76Thu Feb 26 19:09:47 1998 Andrew Cagney <cagney@b1.cygnus.com>
77
78 * interp.c (sim_info): Delete.
79
80Wed Feb 18 10:47:32 1998 Andrew Cagney <cagney@b1.cygnus.com>
81
82 * sim-main.h (TRACE_ALU_INPUT*): Delete. Moved to sim-trace.[hc].
83
84 * simops.c (trace_result): Call trace_generic instead of
85 trace_one_insn.
86 (trace_module): Change variable type to integer.
87 (trace_input): Initialize trace_module with TRACE_ALU_IDX.
88
89 * sim-main.h (trace_module): Change variable decl to integer type.
90 (TRACE_BRANCH*, TRACE_LD, TRACE_ST): Update.
91
92Tue Feb 17 12:51:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
93
94 * interp.c (sim_store_register, sim_fetch_register): Pass in
95 length parameter. Return -1.
96
97Tue Feb 3 16:24:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
98
99 * sim-main.h (IMEM16, IMEM16_IMMED): Rename IMEM and
100 IMEM_IMMED. To match recent igen change.
101
102Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
103
104 * configure: Regenerated to track ../common/aclocal.m4 changes.
105
106Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
107
108 * configure: Regenerated to track ../common/aclocal.m4 changes.
109
110Fri Jan 30 09:51:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
111
112 * sim-main.h (CPU_CIA): Delete, replaced by.
113 (CIA_SET, CIA_SET): Define.
114
115Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
116
117 * configure: Regenerated to track ../common/aclocal.m4 changes.
118
119Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
120
121 * configure: Regenerated to track ../common/aclocal.m4 changes.
122 * config.in: Ditto.
123
124Fri Dec 5 09:26:08 1997 Nick Clifton <nickc@cygnus.com>
125
126 * v850.igen: Revert break value back to its old value.
127
128Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
129
130 * configure: Regenerated to track ../common/aclocal.m4 changes.
131
132Wed Dec 3 17:27:19 1997 Nick Clifton <nickc@cygnus.com>
133
134 * v850.igen: Make break have a zero first field, since otherwise
135 it clashes with the DIVH instruction.
136
137Sat Nov 22 21:32:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
138
139 * simops.c (OP_10007E0): Rename SIGABRT -> SIM_SIGABRT. Give
140 sim_stopped instead of sim_signalled.
141
142 * v850.igen (BREAK), simops.c (OP_12007E0): Rename SIGTRAP to
143 SIM_SIGTRAP.
144 (illegal): Rename SIGILL to SIM_SIGILL.
145
146 * sim-main.h, simops.c, interp.c: Do not include signal.h.
147
148 * sim-main.h: Include sim-signal.h instead of signal.h.
149 (SIGTRAP, SIGQUIT): Delete definition.
150 (SIG_V850_EXIT): Delete definition.
151
152Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
153
154 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
155
156Fri Oct 31 10:33:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
157
158 * interp.c (sim_open): Check state magic number.
159 (sim-assert.h): Include.
160
161Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
162
163 * v850.igen: Add model filter field to records.
164
165Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
166
167 * configure: Regenerated to track ../common/aclocal.m4 changes.
168
169Fri Sep 26 11:56:02 1997 Felix Lee <flee@cygnus.com>
170
171 * sim-main.h: delete null override of SIM_ENGINE_HALT_HOOK and
172 SIM_ENGINE_RESTART_HOOK.
173
174Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
175
176 * configure: Regenerated to track ../common/aclocal.m4 changes.
177
178Wed Sep 24 17:28:26 1997 Andrew Cagney <cagney@b1.cygnus.com>
179
180 * sim-main.h (WITH_TARGET_WORD_MSB): Delete.
181
182 * configure.in (SIM_AC_OPTION_BITSIZE): Specify 32 bit
183 architecture with MSB == 31.
184
185Wed Sep 24 14:04:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
186
187 * v850.igen: Make divh insn with RRRRR==0 breakpoint.
188
189Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
190
191 * configure: Regenerated to track ../common/aclocal.m4 changes.
192
193Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
194
195 * Makefile.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
196 SIM_HOSTENDIAN, SIM_RESERVED_BITS): Delete, moved to common.
197 (SIM_EXTRA_CFLAGS): Update.
198
199Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
200
201 * configure: Regenerated to track ../common/aclocal.m4 changes.
202 * configure.in: Really specify NONSTRICT_ALIGNMENT as the default.
203
204Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
205
206 * configure.in: Specify NONSTRICT_ALIGNMENT as the default.
207 * configure: Regenerated to track ../common/aclocal.m4 changes.
208
209Fri Sep 19 10:37:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
210
211 * v850.igen (disp16): Use EXTEND16 to sign extend disp.
212 (disp22): Only shift left by 1, not 2.
213 ("jmp"): Ensure PC is 2 byte aligned.
214
215 * simops.c, v850.igen: Move "Bcond", "jr", "jarl" code to
216 v850.igen. Fix tracing.
217
218 * simops.c (OP_300, OP_400, OP_500): Move "sdl.b", "sld.h",
219 "sld.w" insns to v850.igen. Fix tracing.
220 (OP_70): Ditto for "sld.hu".
221
222 * v850.igen: Clarify tracing of "sld.b", "sld.h" et.al.
223
224 * simops.c (condition_met): Make global.
225
226 * sim-main.h (TRACE_ALU_INPUT3, TRACE_BRANCH0, TRACE_LD,
227 TRACE_ST): Define.
228 (TRACE_LD_NAME): Define.
229
230 * simops.c: Move "cmov", "cmov imm" to v850.igen, fix.
231
232Wed Sep 17 16:21:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
233
234 * simops.c: Move "mov", "reti", to v850.igen, fix tracing.
235
236 * interp.c (hash): Delete.
237
238 * v850.igen (nop): Really do nothing.
239
240 * interp.c (do_interrupt): Mask interrupts after PSW is saved, not
241 before.
242 * v850.igen (reti): Return to current PC not previous.
243
244Wed Sep 17 14:02:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
245
246 * simops.c: Move "ctret", "bsw", "hsw" to v850.igen, fix tracing.
247 (trace_module): Global, save component/module name across insn.
248
249 * simops.c: Move "bsh" to v850.igen, fix.
250
251 * v850.igen (callt): Load correct number of bytes. Fix tracing.
252 (stsr, ldsr): Correct src, dest fields. Fix tracing.
253 (ctret): Force alignment. Fix tracing.
254
255Tue Sep 16 22:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
256
257 * simops.c (trace_output): Add result argument.
258 (trace_result): New function. Simpler version of trace_output,
259 assumes trace needed.
260 (trace_output): Call trace_result.
261 (trace_output): For IMM_REG_REG, trace correct register.
262 (trace_input): Add case for 16bit immediates.
263 (OP_600, OP_640, OP_680, OP_6C0, OP_6A0): Use.
264
265 * sim-main.h (TRACE_ALU_INPUT, TRACE_ALU_RESULT): Define.
266 (trace_values, trace_name, trace_pc, trace_num_values): Make
267 global.
268 (GR, SR): Define.
269
270 v850.insn (movea, stsr): Use.
271 (sxb, sxh, zxb, zxh): Ditto.
272
273Tue Sep 16 21:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
274
275 * simops.c: Move "movea" from here.
276 * v850.igen: To here.
277
278 * v850.igen (simm16): Define, sign extend imm16.
279 (uimm16): Define, no sign extension.
280 (addi, andi, movea, movhi, mulhi, ori, satsubi, xori): Use.
281
282 * simops.c: Move "sxh", "switch", "sxb", "callt", "dispose",
283 "mov32" from here.
284 * v850.igen: To here.
285 (switch): Fix off by two error in NIA calc.
286
287Tue Sep 16 15:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
288
289 * simops.c (trace_pc, trace_name, trace_values, trace_num_values):
290 New static globals.
291 (trace_input): Just save pc, name and values for trace_output.
292 (trace_output): Write trace values to a buffer. Use
293 trace_one_insn to print trace info and buffer.
294 (SIZE_OPERANDS, SIZE_LOCATION): Delete.
295
296Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
297
298 * sim-main.h (struct _sim_cpu): Add psw_mask so that reserved bits
299 can be masked out.
300
301 * simops.c (OP_2007E0, OP_4007E0): Move "ldsr", "stsr"
302 instructions from here.
303 * v850.igen (ldsr, stsr): To here. Mask out reserved bits when
304 setting PSW.
305
306 * interp.c (sim_open): Set psw_mask if machine known.
307
308Tue Sep 16 10:20:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
309
310 * v850-dc: Add rule to diferentiate between breakpoint and divh.
311 * v850.igen (break): New instruction, breakpoint simulator.
312 * v850.igen (breakpoint): Enable. Change to a 32bit instruction.
313
314Mon Sep 15 18:44:05 1997 Jim Wilson <wilson@cygnus.com>
315
316 * simops.c (Multiply64): Don't store into register zero.
317
318Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
319
320 * Makefile.in (semantics.o): Add dependency.
321
322 * sim-main.h (SAVE_1, SAVE_2): Perform backward compatible save,
323 do not adjust CIA/NIA.
324
325Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
326
327 * simops.c (OP_300, OP_400, OP_70): Make behavour depend on PSW[US].
328
329 * simops.c: Move "divun", "sld.bu", "divhn", "divhun", "divn",
330 "divun", "pushml" code from here to v850.igen.
331 (divun): Make global.
332 (type3_regs): Make global
333
334 * v850.igen: Move simops.c code to here.
335
336 * interp.c (sim_create_inferior): For v850eq set US bit by
337 default.
338
339 * interp.c (sim_open): Don't set arch, now set by
340 sim_analyze_program.
341
342 * configure: Regenerated to track ../common/aclocal.m4 changes.
343
344Mon Sep 15 14:39:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
345
346 * simops.c (op_types): Move from here.
347 sim-main.h: To here.
348
349 * sim-main.h (trace_input, trace_output), simops.c: Make global.
350
351 * simops.c (OP_60): Move "jmp" code from here.
352 * v850.igen (jmp): To here.
353
354 * simops.c (OP_60): Move "sld.bu" code from here.
355 * v850.igen (sld.bu): To here.
356
357Fri Sep 12 15:11:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
358
359 * v850.igen (prepare, ...): Add to v850eq architecture.
360
361 * interp.c (sim_open): Default to v850eq.
362
363 * interp.c (sim_open): Default to v850e.
364 * sim-main.h (signal.h): Include.
365
366 * v850.igen (illegal): Report/halt illegal instructions.
367
368 * Makefile.in (SIM_EXTRA_CFLAGS): Add SIM_RESERVED_BITS.
369
370 * configure.in: Add reserved bits option.
371 * configure: Regenerate.
372
373Thu Sep 11 08:40:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
374
375 * interp.c (sim_open): Use sim_do_commandf instead of asprintf.
376
377 * sim-main.h (INSN_NAME):
378
379 * Makefile.in (INCLUDE): Add SIM_EXTRA_DEPS.
380 (SIM_EXTRA_DEPS): Add itable.h
381 (tmp-gencode): Does not depend on simops.h
382
383 * sim-main.h (itable.h): Include.
384 (MAX_INSNS, INSN_NAME): Define.
385
386 * interp.c: Compute inttype from the interrupt_names index that
387 was passed in.
388
389Wed Sep 10 10:25:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
390
391 * simops.c (trace_input): Use trace_printf instead of
392 sim_io_printf.
393 (trace_output): Ditto.
394 (trace_input): Only trace when TRACE_ALU_P. Delete code
395 disasembling instruction.
396 (trace_output): Only trace when TRACE_ALU_P.
397
398Tue Sep 9 01:29:50 1997 Andrew Cagney <cagney@b1.cygnus.com>
399
400 * simops.c (trace_input, trace_output): Use sim_io_printf.
401 (OP_620): Pass correct argument to trace.
402 (OP_E607E0): Ditto.
403 (trace_input): Obtain prog_bfd, text_start et.al from simulator
404 struct.
405
406Mon Sep 8 21:03:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
407
408 * v850.igen: New file.
409 * v850-dc: New file.
410
411Mon Sep 8 18:33:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
412
413
414 * sim-main.h (SEXT16): Delete, use EXTEND16.
415 (SEXT8): Delete, use EXTEND8.
416 (SEXT32): Delete, used?
417 (SEXT40, SEXT44, SEXT64): Use UNSIGNED64 for constants, not ...LL.
418 (WITH_TARGET_WORD_MSB): Define as 31. v850 little bit endian.
419
420 * simops.c: Use EXTEND15 from sim-bits instead of SEXT16.
421
422 * sim-main.h (DEBUG_TRACE, DEBUG_VALUES, v850_debug): Delete,
423 replace with TRACE_INSN_P and TRACE_ALU_P.
424
425 * simops.c (trace_input, trace_output): Update.
426
427 * interp.c (sim_engine_run): Delete.
428 (lookup_hash): Delete.
429 (sim_open): Do not fill hash table.
430 (sim_trace): Delete.
431
432Fri Sep 5 17:04:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
433
434 * simops.c (OP_FFFF): Use sim_engine_halt.
435 (OP_12007E0): Ditto.
436 (OP_10007E0): Ditto.
437
438 * sim-main.h (struct sim_cpu): Delete member exception. Using
439 sim-engine et.al.
440
441 * interp.c (sim_info): Do not do anything in sim-info.
442 (sim_stop): Delete, replace with sim-stop.
443 (sim_stop_reason): Delete, replace with sim-reason.
444
445 * sim-main.h (WITH_WATCHPOINTS): Define.
446 (WITH_MODULO_MEMORY): Define
447
448 * Makefile.in (SIM_OBJS): Add sim-resume, sim-watch, sim-stop,
449 sim-reason.
450
451 * interp.c (enum interrupt_cond_type): Delete.
452 (struct interrupt_generator): Delete.
453 (enum interrupt_type): Drop int_none.
454 (sim_open): Initialize WATCHPOINT module.
455 (sim_resume, sim_run): Rename sim_resume to sim_run.
456 (sim_engine_run): Replace interrupt code with call to sim-events.
457 (sim_set_interrupt): Delete.
458 (sim_parse_number): Delete.
459
460Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
461
462 * configure: Regenerated to track ../common/aclocal.m4 changes.
463
464Thu Sep 4 18:11:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
465
466 * simops.c (fetch_argv): New function, fetch a arg vector from
467 simulator memory.
468
469 * configure.in: Check for fork, execve, execv.
470 * configure: Regenerate.
471
472 * interp.c (sim_store_register, sim_fetch_register): Use H2T_4 and
473 T2H_4 for byte swapping.
474
475 * sim-main.h, interp.c (get_word, get_half, get_byte, put_word,
476 put_half, put_byte): Delete.
477
478 * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
479
480 * sim-main.h (load_mem, store_mem): Redefine as macros.
481 (IMEM, IMEM_IMMED): New macros - fetch instructions.
482
483 * simops.c (OP_10007E0): For SYS_read, SYS_write, SYS_open
484 transfer data via a buffer.
485 (fetch_str): New function, fetch string from memory.
486
487 * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
488
489 * interp.c (sim_open): Establish memory maps using sim-memopt.c
490 via sim_do_command.
491 (sim_do_command): Print error if memory-map command is used. Call
492 sim_args_command.
493 (map): Delete, replaced by sim-core.
494 (sim_memory_init): Delete, replaced by sim-core.
495 (sim_set_memory_map): Delete, replaced by sim-memopt.
496 (load_mem): Delete, replaced by sim-core.
497 (store_mem): Delete, replaced by sim-core.
498 (sim_write): Delete, replaced by sim-hrw.
499 (sim_read): Delete, replaced by sim-hrw.
500
501 * sim-main.h (struct sim_state): Remove memory members, using
502 sim-core.c
503
504Wed Sep 3 10:18:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
505
506 * sim-main.h: Replace SIM_HAVE_FLATMEM with mem ptr.
507 * interp.c (map): Do not add to a void pointer.
508
509 * Makefile.in (INCLUDE): Add sim-main.h
510
511 * configure.in: Check for time.h
512 * configure: Re-generate.
513
514 * interp.c (struct interrupt_generator): Make time unsigned long,
515 address SIM_ADDR.
516 (sim_resume): Make oldpc SIM_ADDR.
517 (struct hash_entry): Make mask/opcode unsigned.
518
519 * v850_sim.h (struct simops ): Make opcode and mask unsigned.
520
521 * simops.c (utime.h): Include if available.
522 (OP_10007E0): Check for UTIME function.
523 (divun): Put parentheses around shift argument.
524 (OP_640): Put parentheses around shift argument, was wrong.
525 (OP_107F0): Return something.
526
527 * interp.c (sim_parse_number): Use strtoul not strtol.
528 (sim_resume): Use sim_elapsed_time_get to keep track of the time.
529
530 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
531 (SIM_AC_OPTION_ENDIAN): Set to hardwired big.
532 (SIM_AC_OPTION_HOST_ENDIAN): Add.
533 (AC_CHECK_FUNCS): Add utime.
534 (AC_CHECK_HEADERS): Add stdlib.h, string.h, strings.h, utime.h
535 configure: Regenerate.
536
537
538 * Makefile.in (SIM_RUN_OBJS): Use nrun.o.
539 (SIM_OBJS): Add sim-io.o, sim-hload.o, sim-utils.o, sim-options.o,
540 sim-config.o, sim-module.o, sim-events.o, sim-core.o,
541 sim-endian.o, sim-engine.o, sim-trace.o, sim-profile.o
542 (SIM_ENDIAN, SIM_WARNGINS): Define.
543
544 * simops.c (OP_10007E0): Use sim_io_* for transfers.
545
546 * interp.c (sim_resume): Pass sd around.
547
548 * simops.c (sim-main.h): Include.
549
550 * gencode.c (write_template): Generate #include sim-main.h.
551 (write_opcodes): Ditto.
552
553 * interp.c (prog_bfd, prog_bfd_was_opened_p): Delete.
554 (v850_callback): Ditto.
555 (sim_kind, myname): Ditto.
556 (lookup_hash): Pass SD. Use sim_io_error.
557 (sim_set_memory_map): Pass in SD, use.
558 (init_system): Pass in SD, use.
559 (sim_open): Update.
560 (sim_set_profile): Delete.
561 (sim_set_profile_size): Delete.
562 (do_interrupt): Pass in SD, use.
563 (sim_info): Use sim_io_printf.
564 (sim_create_inferior): Reset registers. Set PC from prog_bfd
565 argument.
566 (sim_load): Delete, use common/sim-hload.c
567 (sim_size): Rename to sim_memory_init.
568 (sim_write): Remove call to init_system.
569 (init_system): Delete.
570 (sim_set_callbacks): Delete.
571 (sim_set_interrupt): Pass in SD, use.
572 (start_time): Delete.
573
574 * v850_sim.h: Remove everything except `struct simops' from here.
575 * sim-main.h: Move most to here.
576 * gencode.c: Move #includes to here.
577
578 * sim-main.h(struct _sim_cpu): Rename struct _state.
579 (#define PC, et.al.): Update
580 (v850_callback): Delete. Replaced with SIM_DESC arg.
581 (int8, uint8, int16, uint16, int32, uint32): Define types using
582 unsigned8 et.al from common/sim-types.h.
583 * sim-main.h (State): Define as STATE_CPU.
584
585Mon Sep 1 12:07:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
586
587 * configure.in: Check for time, chmod.
588 * configure: Regenerate.
589 * simops.c (SYS_time, SYS_chmod): Use HAVE_TIME, HAVE_CHMOD.
590
591 * simops.c (../../libgloss/v850/sys/syscall.h): Include instead of
592 sys/syscall.h.
593 (OP_10007E0): Check the existance each SYS_* macro independantly.
594
595 * v850_sim.h (SIGQUIT, SIGTRAP): Only define if missing.
596
597Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
598
599 * configure: Regenerated to track ../common/aclocal.m4 changes.
600 * config.in: Ditto.
601
602Tue Aug 26 10:42:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
603
604 * interp.c (sim_kill): Delete.
605 (sim_create_inferior): Add ABFD argument.
606 (sim_load): Move setting of PC from here.
607 (sim_create_inferior): To here.
608
609Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
610
611 * configure: Regenerated to track ../common/aclocal.m4 changes.
612 * config.in: Ditto.
613
614Mon Aug 25 11:31:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
615
616 * interp.c (sim_open): Add ABFD argument.
617
618Fri Aug 22 10:39:28 1997 Nick Clifton <nickc@cygnus.com>
619
620 * simops.c (bsh): Only set CY flag if either of the bottom
621 bytes is zero.
622
623 * simops.c (prepare, dispose): Lower numbered
624 registers go to higher numbered address.
625
626 * simops.c (unsigned divide instructions): S bit set if result has
627 top bit set.
628
629 * simops.c (pushml, pushmh, popml, popmh): Lower numbered
630 registers go to higher numbered address.
631
632Wed Aug 20 13:56:35 1997 Nick Clifton <nickc@cygnus.com>
633
634 * simops.c (OP_107E0, OP_107F0, OP_307E0, OP_307F0): Use correct
635 interpretation of SR bit in list18 structure.
636 (divn, divun): New functions to perform N step divide functions.
637
638Mon Aug 18 10:59:02 1997 Nick Clifton <nickc@cygnus.com>
639
640 * simops.c (OP_300, OP_400, OP_60, OP_70): Support variant opcodes
641 with US bit set in the PSW.
642
643Wed Aug 13 19:06:55 1997 Nick Clifton <nickc@cygnus.com>
644
645 * interp.c (sim_resume): Opcode functions return amount to be
646 added to PC and all opcodes take a standard format in the OP[]
647 array.
648
649 (do_format_*): Functions removed.
650
651 * v850_sim.h (SP, EP): New register mnemonics.
652
653 * gencode.c (write_header): Functions prototypes return an
654 integer.
655
656 * simops.c: Opcode functions return amount to be added to PC.
657
658 * v850_sim.h (CTPC, CTPSW, CTBP): New register mnemonics.
659
660 * simops.c: Add support for v850e instructions.
661
662 * simops.c: Add support for v850eq instructions.
663
664Tue May 20 10:24:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
665
666 * interp.c (sim_open): Add callback argument.
667 (sim_set_callbacks): Delete SIM_DESC argument.
668
669Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
670
671 * configure: Regenerated to track ../common/aclocal.m4 changes.
672
673Wed Apr 23 17:20:16 1997 Doug Evans <dje@canuck.cygnus.com>
674
675 * interp.c (prog_bfd_was_opened_p): New static local.
676 (prog_bfd): New global variable.
677 (sim_open): Undo patch to add -E support.
678 (sim_close): Close prog_bfd if sim_load opened it.
679 (sim_load): Record bfd of loaded file in prog_bfd.
680 * simops.c (prog_bfd): Renamed from exec_bfd.
681
682Fri Apr 18 14:17:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
683
684 * interp.c (sim_stop): Stub function.
685
686Thu Apr 17 03:53:18 1997 Doug Evans <dje@canuck.cygnus.com>
687
688 * Makefile.in (SIM_OBJS): Add sim-load.o.
689 * interp.c (sim_kind, myname): New static locals.
690 (sim_open): Set sim_kind, myname. Ignore -E arg.
691 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
692 load file into simulator. Set start address from bfd.
693 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
694
695Wed Apr 16 19:53:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
696
697 * simops.c (OP_10007E0): Only provide system calls SYS_execv,
698 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
699
700Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
701
702 * configure: Regenerated to track ../common/aclocal.m4 changes.
703 * config.in: Ditto.
704
705Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
706
707 * interp.c (sim_open): New arg `kind'.
708
709 * configure: Regenerated to track ../common/aclocal.m4 changes.
710
711Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
712
713 * configure: Regenerated to track ../common/aclocal.m4 changes.
714
715Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
716
717 * configure: Regenerated to track ../common/aclocal.m4 changes.
718
719Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
720
721 * configure: Re-generate.
722
723Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
724
725 * configure: Regenerate to track ../common/aclocal.m4 changes.
726
727Thu Mar 13 13:00:54 1997 Doug Evans <dje@canuck.cygnus.com>
728
729 * interp.c (sim_open): New SIM_DESC result. Argument is now
730 in argv form.
731 (other sim_*): New SIM_DESC argument.
732
733Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
734
735 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
736 COMMON_{PRE,POST}_CONFIG_FRAG instead.
737 * configure.in: sinclude ../common/aclocal.m4.
738 * configure: Regenerated.
739
740Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
741
742 * configure configure.in Makefile.in: Update to new configure
743 scheme which is more compatible with WinGDB builds.
744 * configure.in: Improve comment on how to run autoconf.
745 * configure: Re-run autoconf to get new ../common/aclocal.m4.
746 * Makefile.in: Use autoconf substitution to install common
747 makefile fragment.
748
749Mon Jan 20 16:05:34 1997 Michael Meissner <meissner@tiktok.cygnus.com>
750
751 * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
752 not zero extend.
753
754Tue Jan 14 17:06:03 1997 Stu Grossman (grossman@critters.cygnus.com)
755
756 * simops.c: Put ifdefs around things to make MSVC happy. Get rid
757 of unistd.h. Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
758 SYS_gettimeofday and SYS_utime from MSVC.
759
760Tue Dec 31 18:11:13 1996 Michael Meissner <meissner@tiktok.cygnus.com>
761
762 * simops.c (OP_10007E0): Know that kill encodes the signal number
763 via: 0xdead0000 | signal and turn it back into a signal.
764
765Fri Dec 27 14:44:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
766
767 * v850_sim.h (SIG_V850_EXIT): Define as -1.
768
769 * interp.c (sim_open): Cast calloc function.
770 (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
771 program exited with the appropriate exit code.
772 (sim_set_interrupt): Declare buildargv.
773
774 * simops.c (OP_10007E0): Make exit signal normal exit. Make time
775 type correct and work on big endian systems.
776
777Wed Nov 20 02:18:44 1996 Doug Evans <dje@canuck.cygnus.com>
778
779 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
780 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
781 * configure.in: Simplify using macros in ../common/aclocal.m4.
782 Call AC_CHECK_HEADERS(unistd.h).
783 * configure: Regenerated.
784 * config.in: New file.
785 * simops.c: #include "config.h". #include <unistd.h> if present.
786
787Sun Nov 3 23:02:54 1996 Stan Shebs <shebs@andros.cygnus.com>
788
789 * v850_sim.h (State): New slots dummy_mem, pending_nmi.
790 (EIPC, etc): New macros for system registers.
791 * simops.c, interp.c: Use everywhere.
792
793 * interp.c: Add support for interrupts issued by interrupt
794 generators, either PC- or time-based. Controlled by simulator
795 command "sim interrupt".
796
797 * interp.c: Add support for variable-size allocation of memory,
798 via simulator command "sim memory-map".
799 (map): Issue SIGSEGV for references to invalid memory regions.
800
801Thu Oct 31 14:44:10 1996 Gavin Koch <gavin@cygnus.com>
802
803 * simops.c: Include <sys/time.h> for struct timeval and
804 struct timezone.
805
806Wed Oct 30 08:49:10 1996 Jeffrey A Law (law@cygnus.com)
807
808 * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
809
810 * simops.c (OP_10007E0): Handle SYS_time.
811
812Tue Oct 29 14:22:55 1996 Jeffrey A Law (law@cygnus.com)
813
814 * simops.c: Include <sys/stat.h>.
815 (OP_10007E0): Handle SYS_stat.
816
817Thu Oct 24 12:26:35 1996 Jeffrey A Law (law@cygnus.com)
818
819 * simops.c (OP_10007E0): Don't declare errno.
820
821 * simops.c (OP_500): Mask off low bit in displacement
822 for sld.w.
823 (OP_501): Similarly.
824
825 * simops.c (OP_500): Fix displacement handling for sld.w.
826 (OP_501): Similarly for sst.w.
827
828 * simops.c (trace_input): Remove all references to SEXT7.
829 (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
830 is zero extended for sst/sld instructions.
831 * v850_sim.h (SEX7): Delete. It's no longer needed (and it
832 was incorrect anyway).
833
834Thu Oct 24 10:33:33 1996 Stu Grossman (grossman@critters.cygnus.com)
835
836 * Makefile.in: Get rid of srcroot. Set all INSTALL macros via
837 autoconf.
838 * gencode.c (write_opcodes): Pad operands field to account for
839 MSVC braindamage.
840 * simops.c: Include errno.h. Exclude SYS_chown, since MSVC
841 doesn't support it. (Why is this here in the first place?!?)
842 * v850_sim.h: Get rid of 64 bit defs. Also, get rid of #elif's.
843 Change number of operands in struct simops from 9 to 6. Define
844 SIGTRAP and SIGQUIT for MSVC.
845
846Tue Oct 15 16:19:51 1996 Stu Grossman (grossman@critters.cygnus.com)
847
848 * interp.c (MEM_SIZE): It's now bytes, not a power of 2.
849 * (map): Add support for external mem in the 1->2 meg range.
850 Also, abort() when memory access is way out of bounds. (Better to
851 die than to give wrong result. (This will be fixed later.))
852 * (sim_size): MEM_SIZE is now bytes, not shift factor.
853
854Tue Oct 1 15:53:24 1996 Gavin Koch <gavin@cygnus.com>
855
856 * simops.c (trace_input): Swapped order of operands for output
857 output of OP_IMM_REG. Changed the fetching of the operands for
858 OP_LOAD32, and OP_STORE32 to work like op-function.
859
860Mon Sep 30 15:46:33 1996 Stu Grossman (grossman@critters.cygnus.com)
861
862 * interp.c: Move includes of remote-sim.h and callback.h to
863 v850-sim.h.
864 * (lookup_hash): Add PC to report of hash failure.
865 * (map load_mem store_mem): New memory subsystem. Models V851
866 memory system.
867 * (sim_write sim_read): Use new memory subsystem.
868 * (sim_resume): Don't load and save PC into EIPC anymore. Needed
869 to make user-defined traps work right.
870 * simops.c (OP_*): Use new memory subsystem.
871 * (OP_14007E0 (reti)): Implement reti.
872 * (OP_14996E0 (trap)): Implement user-defined traps. Move I/O to
873 trap 31. Use new memory subsystem.
874 * v850_sim.h: Prototypes for load_mem, store_mem and map. Use
875 load_mem in RLW macro.
876
877Fri Sep 27 18:34:09 1996 Stu Grossman (grossman@critters.cygnus.com)
878
879 * gencode.c (write_opcodes): Output hex values for opcode mask
880 and patterns.
881 * interp.c (sim_resume): Save and restore PC from the appropriate
882 register.
883 * (sim_fetch_register sim_store_register): Fix byte-order problem
884 with reading and writing registers.
885 * simops.c (OP_FFFF): Implement pseudo-breakpoint insn.
886
887Fri Sep 27 17:42:37 1996 Jeffrey A Law (law@cygnus.com)
888
889 * simops.c (trace_input): Fix thinko.
890
891Wed Sep 18 09:54:12 1996 Michael Meissner <meissner@tiktok.cygnus.com>
892
893 * simops.c (exec_bfd): Rename from sim_bfd.
894 (trace_input): Ditto.
895
896Thu Sep 12 12:03:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
897
898 * simops.c (trace_input): Use find_nearest_line to print line
899 number, function name or file name of PC.
900
901Wed Sep 11 16:44:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
902
903 * simops.c: Add tracing support. Use SEXTxx macros instead of
904 doing hardwired shifts.
905
906 * configure.in (--enable-sim-cflags): Add switch to add additional
907 flags to simulator buld. If --enable-sim-cflags=trace, turn on
908 tracing.
909 * configure: Regenerate.
910
911 * Makefile.in: Don't require a VPATH capable make if configuring
912 in the same directory. Don't use CFLAGS for configuration flags.
913 Add flags from --enable-sim-cflags. Support canadian cross
914 builds. Rebuild whole simulator if include files change.
915
916 * interp.c (v850_debug): New global for debugging.
917 (lookup_hash,sim_size,sim_set_profile): Use
918 printf_filtered callback, instead of calling printf directly.
919 (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
920
921 * v850_sim.h: Use limits.h to set the various sized types.
922 (SEXT{5,7,16,22}): New macros.
923
924Mon Sep 9 20:50:46 1996 Jeffrey A Law (law@cygnus.com)
925
926 * interp.c (hash): Make this an inline function
927 when compiling with GCC. Simplify.
928 * simpos.c: Explicitly include "sys/syscall.h". Remove
929 some #if 0'd code. Enable more emulated syscalls.
930
931Wed Sep 4 01:48:55 1996 Jeffrey A Law (law@cygnus.com)
932
933 * interp.c: Fix sign bit handling for add and sub instructions.
934
935Tue Sep 3 10:20:30 1996 Jeffrey A Law (law@cygnus.com)
936
937 * gencode.c: Fix various indention & style problems.
938 Remove test code. Remove #if 0 code.
939 * interp.c: Provide prototypes for all static functions.
940 Fix minor indention problems.
941 (sim_open, sim_resume): Remove unused variables.
942 (sim_read): Return type is "int".
943 * simops.c: Remove unused variables.
944 (divh): Make result of divide-by-zero zero.
945 (setf): Initialize result to keep compiler quiet.
946 (sar instructions): These just clear the overflow bit.
947 * v850_sim.h: Provide prototypes for put_byte, put_half
948 and put_word.
949
950 * interp.c: OP should be an array of 32bit operands!
951 (v850_callback): Declare.
952 (do_format_5): Fix extraction of OP[0].
953 (sim_size): Remove debugging printf.
954 (sim_set_callbacks): Do something useful.
955 (sim_stop_reason): Gross hacks to get c-torture running.
956 * simops.c: Simplify code for computing targets of bCC
957 insns. Invert 's' bit if 'ov' bit is set for some
958 instructions. Fix 'cy' bit handling for numerous
959 instructions. Make the simulator stop when a halt
960 instruction is encountered. Very crude support for
961 emulated syscalls (trap 0).
962 * v850_sim.h: Include "callback.h" and declare
963 v850_callback. Items in the operand array are 32bits.
964
965Sun Sep 1 22:35:35 1996 Jeffrey A Law (law@cygnus.com)
966
967 * interp.c (sim_resume): Fix code to check for a format 3
968 opcode.
969 * simops.c: bCC insns only argument is a constant, not a
970 register value (duh...)
971
972Fri Aug 30 10:33:49 1996 Jeffrey A Law (law@cygnus.com)
973
974 * simops.c: Fix "not1" and "set1".
975
976 * simops.c: Don't forget to initialize temp for
977 "ld.h" and "ld.w"
978
979 * interp.c: Remove various debugging printfs.
980
981 * simops.c: Fix satadd, satsub boundary case handling.
982
983 * interp.c (hash): Fix.
984 * interp.c (do_format_8): Get operands correctly and
985 call the target function.
986 * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
987
988Thu Aug 29 13:53:29 1996 Jeffrey A Law (law@cygnus.com)
989
990 * interp.c (do_format_4): Get operands correctly and
991 call the target function.
992 * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
993 "sst.h", and "sst.w".
994
995 * v850_sim.h: The V850 doesn't have split I&D spaces. Change
996 accordingly. Remove many unused definitions.
997 * interp.c: The V850 doesn't have split I&D spaces. Change
998 accordingly.
999 (get_longlong, get_longword, get_word): Deleted.
1000 (write_longlong, write_longword, write_word): Deleted.
1001 (get_operands): Deleted.
1002 (get_byte, get_half, get_word): New functions.
1003 (put_byte, put_half, put_word): New functions.
1004 * simops.c: Remove unused functions. Rough cut at
1005 "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
1006
1007 * v850_sim.h (struct _state): Remove "psw" field. Add
1008 "sregs" field.
1009 (PSW): Remove bogus definition.
1010 * simops.c: Change condition code handling to use the psw
1011 register within the sregs array. Handle "ldsr" and "stsr".
1012
1013 * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
1014
1015 * interp.c (do_format_5): Get operands correctly and
1016 call the target function.
1017 (sim_resume): Don't do a PC update for format 5 instructions.
1018 * simops.c: Handle "jarl" and "jmp" instructions.
1019
1020 * simops.c: Fix minor typos. Handle "cmp", "setf", "tst"
1021 "di", and "ei" instructions correctly.
1022
1023 * interp.c (do_format_3): Get operands correctly and call
1024 the target function.
1025 * simops.c: Handle bCC instructions.
1026
1027 * simops.c: Add condition code handling to shift insns.
1028 Fix minor typos in condition code handling for other insns.
1029
1030 * Makefile.in: Fix typo.
1031 * simops.c: Add condition code handling to "sub" "subr" and
1032 "divh" instructions.
1033
1034 * interp.c (hash): Update to be more accurate.
1035 (lookup_hash): Call hash rather than computing the hash
1036 code here.
1037 (do_format_1_2): Handle format 1 and format 2 instructions.
1038 Get operands correctly and call the target function.
1039 (do_format_6): Get operands correctly and call the target
1040 function.
1041 (do_formats_9_10): Rough cut so shift ops will work.
1042 (sim_resume): Tweak to deal with format 1 and format 2
1043 handling in a single funtion. Don't update the PC
1044 for format 3 insns. Fix typos.
1045 * simops.c: Slightly reorganize. Add condition code handling
1046 to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
1047 and "not" instructions.
1048 * v850_sim.h (reg_t): Registers are 32bits.
1049 (_state): The V850 has 32 general registers. Add a 32bit
1050 psw and pc register too. Add accessor macros
1051
1052 * Makefile.in, interp.c, v850_sim.h: Bring over endianness
1053 changes from the d10v simulator.
1054
1055 * simops.c: Add shift support.
1056
1057 * simops.c: Add multiply & divide support. Abort for system
1058 instructions.
1059
1060 * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
1061 and subr. No condition codes yet.
1062
1063Wed Aug 28 13:53:22 1996 Jeffrey A Law (law@cygnus.com)
1064
1065 * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
1066 gencode.c, interp.c, simops.c: Created.
1067
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