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