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* i386-tdep.c (i386go32_frame_saved_pc): New function.
[thirdparty/binutils-gdb.git] / sim / v850 / ChangeLog
CommitLineData
d4424ada
C		 12001-04-15 J.T. Conklin <jtc@redback.com>
2
3 * Makefile.in (simops.o): Add simops.h to dependency list.
4
1e6cd159
AC		 52001-03-14 Andrew Cagney <ac131313@redhat.com>
6
7 * Makefile.in (gencode): Link with libintl.
8
42acc51e
JL		 92001-01-31 Jonathan Larmour <jlarmour@redhat.com>
10
11 * Makefile.in (gencode): Link with libopcodes in build tree rather
12 than building source files from there.
13
896ad910
NC		 142000-05-30 Nick Clifton <nickc@cygnus.com>
15
16 * v850.igen: Remove illegal instruction pattern, since it is the
17 same as the breakpoint pattern.
18
eb2d80b4
AC		 19Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
20
21 * configure: Regenerated to track ../common/aclocal.m4 changes.
22
b9791fcd
FCE		 232000-04-14 Gary Thomas <gthomas@redhat.com>
24
25 * v850.igen: Define 'br *' as illegal since this is the only
26 way to provide a breakpoint on some v850 family processors.
27
de616bc7
FCE		 282000-03-24 Frank Ch. Eigler <fche@redhat.com>
29
30 * v850.igen (ilgop): New insn pattern for four-byte breakpoints.
31
d4f3574e
SS		 32Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
33
34 * configure: Regenerated to track ../common/aclocal.m4 changes.
35
cd0fc7c3
SS		 361999-05-08 Felix Lee <flee@cygnus.com>
37
38 * configure: Regenerated to track ../common/aclocal.m4 changes.
39
c906108c
SS		 40Tue Dec 1 17:25:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
41
42 * Makefile.in (NL_TARGET): Define as -DNL_TARGET_v850.
43
44Wed Nov 25 17:52:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
45
46 * Makefile.in (simops.o): Depends on targ-vals.h
47 * simops.c: Include targ-vals.h instead of
48 libgloss/.../syscall.h. Replace SYS_* with TARGET_SYS_*.
49 (divn, divun, OP_1C007E0, OP_18207E0, OP_1C207E0,OP_18007E0):
50 Replace signed long int with signed32.
51
52Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
53
54 * interp.c: #include "itable.h".
55 (get_insn_name): New function.
56 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
57 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
58
59Wed May 6 19:43:27 1998 Doug Evans <devans@canuck.cygnus.com>
60
61 * sim-main.h (INSN_NAME): New arg `cpu'.
62
63Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
64
65 * configure: Regenerated to track ../common/aclocal.m4 changes.
66
67Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
68
69 * configure: Regenerated to track ../common/aclocal.m4 changes.
70 * config.in: Ditto.
71
72Sun Apr 26 15:19:14 1998 Tom Tromey <tromey@cygnus.com>
73
74 * acconfig.h: New file.
75 * configure.in: Reverted change of Apr 24; use sinclude again.
76
77Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
78
79 * configure: Regenerated to track ../common/aclocal.m4 changes.
80 * config.in: Ditto.
81
82Fri Apr 24 11:18:08 1998 Tom Tromey <tromey@cygnus.com>
83
84 * configure.in: Don't call sinclude.
85
86Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
87
88 * configure: Regenerated to track ../common/aclocal.m4 changes.
89 * sim-main.h (SIM_MAIN_H): Wrap header.
90
91Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
92
93 * configure: Regenerated to track ../common/aclocal.m4 changes.
94
95Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
96
97 * configure: Regenerated to track ../common/aclocal.m4 changes.
98
99Tue Mar 10 15:54:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
100
101 * interp.c (sim_stop): Delete, second attempt.
102
103Thu Feb 26 19:09:47 1998 Andrew Cagney <cagney@b1.cygnus.com>
104
105 * interp.c (sim_info): Delete.
106
107Wed Feb 18 10:47:32 1998 Andrew Cagney <cagney@b1.cygnus.com>
108
109 * sim-main.h (TRACE_ALU_INPUT*): Delete. Moved to sim-trace.[hc].
110
111 * simops.c (trace_result): Call trace_generic instead of
112 trace_one_insn.
113 (trace_module): Change variable type to integer.
114 (trace_input): Initialize trace_module with TRACE_ALU_IDX.
115
116 * sim-main.h (trace_module): Change variable decl to integer type.
117 (TRACE_BRANCH*, TRACE_LD, TRACE_ST): Update.
118
119Tue Feb 17 12:51:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
120
121 * interp.c (sim_store_register, sim_fetch_register): Pass in
122 length parameter. Return -1.
123
124Tue Feb 3 16:24:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
125
126 * sim-main.h (IMEM16, IMEM16_IMMED): Rename IMEM and
127 IMEM_IMMED. To match recent igen change.
128
129Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
130
131 * configure: Regenerated to track ../common/aclocal.m4 changes.
132
133Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
134
135 * configure: Regenerated to track ../common/aclocal.m4 changes.
136
137Fri Jan 30 09:51:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
138
139 * sim-main.h (CPU_CIA): Delete, replaced by.
140 (CIA_SET, CIA_SET): Define.
141
142Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
143
144 * configure: Regenerated to track ../common/aclocal.m4 changes.
145
146Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
147
148 * configure: Regenerated to track ../common/aclocal.m4 changes.
149 * config.in: Ditto.
150
151Fri Dec 5 09:26:08 1997 Nick Clifton <nickc@cygnus.com>
152
153 * v850.igen: Revert break value back to its old value.
154
155Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
156
157 * configure: Regenerated to track ../common/aclocal.m4 changes.
158
159Wed Dec 3 17:27:19 1997 Nick Clifton <nickc@cygnus.com>
160
161 * v850.igen: Make break have a zero first field, since otherwise
162 it clashes with the DIVH instruction.
163
164Sat Nov 22 21:32:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
165
166 * simops.c (OP_10007E0): Rename SIGABRT -> SIM_SIGABRT. Give
167 sim_stopped instead of sim_signalled.
168
169 * v850.igen (BREAK), simops.c (OP_12007E0): Rename SIGTRAP to
170 SIM_SIGTRAP.
171 (illegal): Rename SIGILL to SIM_SIGILL.
172
173 * sim-main.h, simops.c, interp.c: Do not include signal.h.
174
175 * sim-main.h: Include sim-signal.h instead of signal.h.
176 (SIGTRAP, SIGQUIT): Delete definition.
177 (SIG_V850_EXIT): Delete definition.
178
179Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
180
181 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
182
183Fri Oct 31 10:33:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
184
185 * interp.c (sim_open): Check state magic number.
186 (sim-assert.h): Include.
187
188Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
189
190 * v850.igen: Add model filter field to records.
191
192Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
193
194 * configure: Regenerated to track ../common/aclocal.m4 changes.
195
196Fri Sep 26 11:56:02 1997 Felix Lee <flee@cygnus.com>
197
198 * sim-main.h: delete null override of SIM_ENGINE_HALT_HOOK and
199 SIM_ENGINE_RESTART_HOOK.
200
201Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
202
203 * configure: Regenerated to track ../common/aclocal.m4 changes.
204
205Wed Sep 24 17:28:26 1997 Andrew Cagney <cagney@b1.cygnus.com>
206
207 * sim-main.h (WITH_TARGET_WORD_MSB): Delete.
208
209 * configure.in (SIM_AC_OPTION_BITSIZE): Specify 32 bit
210 architecture with MSB == 31.
211
212Wed Sep 24 14:04:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
213
214 * v850.igen: Make divh insn with RRRRR==0 breakpoint.
215
216Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
217
218 * configure: Regenerated to track ../common/aclocal.m4 changes.
219
220Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
221
222 * Makefile.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
223 SIM_HOSTENDIAN, SIM_RESERVED_BITS): Delete, moved to common.
224 (SIM_EXTRA_CFLAGS): Update.
225
226Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
227
228 * configure: Regenerated to track ../common/aclocal.m4 changes.
229 * configure.in: Really specify NONSTRICT_ALIGNMENT as the default.
230
231Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
232
233 * configure.in: Specify NONSTRICT_ALIGNMENT as the default.
234 * configure: Regenerated to track ../common/aclocal.m4 changes.
235
236Fri Sep 19 10:37:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
237
238 * v850.igen (disp16): Use EXTEND16 to sign extend disp.
239 (disp22): Only shift left by 1, not 2.
240 ("jmp"): Ensure PC is 2 byte aligned.
241
242 * simops.c, v850.igen: Move "Bcond", "jr", "jarl" code to
243 v850.igen. Fix tracing.
244
245 * simops.c (OP_300, OP_400, OP_500): Move "sdl.b", "sld.h",
246 "sld.w" insns to v850.igen. Fix tracing.
247 (OP_70): Ditto for "sld.hu".
248
249 * v850.igen: Clarify tracing of "sld.b", "sld.h" et.al.
250
251 * simops.c (condition_met): Make global.
252
253 * sim-main.h (TRACE_ALU_INPUT3, TRACE_BRANCH0, TRACE_LD,
254 TRACE_ST): Define.
255 (TRACE_LD_NAME): Define.
256
257 * simops.c: Move "cmov", "cmov imm" to v850.igen, fix.
258
259Wed Sep 17 16:21:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
260
261 * simops.c: Move "mov", "reti", to v850.igen, fix tracing.
262
263 * interp.c (hash): Delete.
264
265 * v850.igen (nop): Really do nothing.
266
267 * interp.c (do_interrupt): Mask interrupts after PSW is saved, not
268 before.
269 * v850.igen (reti): Return to current PC not previous.
270
271Wed Sep 17 14:02:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
272
273 * simops.c: Move "ctret", "bsw", "hsw" to v850.igen, fix tracing.
274 (trace_module): Global, save component/module name across insn.
275
276 * simops.c: Move "bsh" to v850.igen, fix.
277
278 * v850.igen (callt): Load correct number of bytes. Fix tracing.
279 (stsr, ldsr): Correct src, dest fields. Fix tracing.
280 (ctret): Force alignment. Fix tracing.
281
282Tue Sep 16 22:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
283
284 * simops.c (trace_output): Add result argument.
285 (trace_result): New function. Simpler version of trace_output,
286 assumes trace needed.
287 (trace_output): Call trace_result.
288 (trace_output): For IMM_REG_REG, trace correct register.
289 (trace_input): Add case for 16bit immediates.
290 (OP_600, OP_640, OP_680, OP_6C0, OP_6A0): Use.
291
292 * sim-main.h (TRACE_ALU_INPUT, TRACE_ALU_RESULT): Define.
293 (trace_values, trace_name, trace_pc, trace_num_values): Make
294 global.
295 (GR, SR): Define.
296
297 v850.insn (movea, stsr): Use.
298 (sxb, sxh, zxb, zxh): Ditto.
299
300Tue Sep 16 21:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
301
302 * simops.c: Move "movea" from here.
303 * v850.igen: To here.
304
305 * v850.igen (simm16): Define, sign extend imm16.
306 (uimm16): Define, no sign extension.
307 (addi, andi, movea, movhi, mulhi, ori, satsubi, xori): Use.
308
309 * simops.c: Move "sxh", "switch", "sxb", "callt", "dispose",
310 "mov32" from here.
311 * v850.igen: To here.
312 (switch): Fix off by two error in NIA calc.
313
314Tue Sep 16 15:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
315
316 * simops.c (trace_pc, trace_name, trace_values, trace_num_values):
317 New static globals.
318 (trace_input): Just save pc, name and values for trace_output.
319 (trace_output): Write trace values to a buffer. Use
320 trace_one_insn to print trace info and buffer.
321 (SIZE_OPERANDS, SIZE_LOCATION): Delete.
322
323Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
324
325 * sim-main.h (struct _sim_cpu): Add psw_mask so that reserved bits
326 can be masked out.
327
328 * simops.c (OP_2007E0, OP_4007E0): Move "ldsr", "stsr"
329 instructions from here.
330 * v850.igen (ldsr, stsr): To here. Mask out reserved bits when
331 setting PSW.
332
333 * interp.c (sim_open): Set psw_mask if machine known.
334
335Tue Sep 16 10:20:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
336
337 * v850-dc: Add rule to diferentiate between breakpoint and divh.
338 * v850.igen (break): New instruction, breakpoint simulator.
339 * v850.igen (breakpoint): Enable. Change to a 32bit instruction.
340
341Mon Sep 15 18:44:05 1997 Jim Wilson <wilson@cygnus.com>
342
343 * simops.c (Multiply64): Don't store into register zero.
344
345Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
346
347 * Makefile.in (semantics.o): Add dependency.
348
349 * sim-main.h (SAVE_1, SAVE_2): Perform backward compatible save,
350 do not adjust CIA/NIA.
351
352Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
353
354 * simops.c (OP_300, OP_400, OP_70): Make behavour depend on PSW[US].
355
356 * simops.c: Move "divun", "sld.bu", "divhn", "divhun", "divn",
357 "divun", "pushml" code from here to v850.igen.
358 (divun): Make global.
359 (type3_regs): Make global
360
361 * v850.igen: Move simops.c code to here.
362
363 * interp.c (sim_create_inferior): For v850eq set US bit by
364 default.
365
366 * interp.c (sim_open): Don't set arch, now set by
367 sim_analyze_program.
368
369 * configure: Regenerated to track ../common/aclocal.m4 changes.
370
371Mon Sep 15 14:39:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
372
373 * simops.c (op_types): Move from here.
374 sim-main.h: To here.
375
376 * sim-main.h (trace_input, trace_output), simops.c: Make global.
377
378 * simops.c (OP_60): Move "jmp" code from here.
379 * v850.igen (jmp): To here.
380
381 * simops.c (OP_60): Move "sld.bu" code from here.
382 * v850.igen (sld.bu): To here.
383
384Fri Sep 12 15:11:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
385
386 * v850.igen (prepare, ...): Add to v850eq architecture.
387
388 * interp.c (sim_open): Default to v850eq.
389
390 * interp.c (sim_open): Default to v850e.
391 * sim-main.h (signal.h): Include.
392
393 * v850.igen (illegal): Report/halt illegal instructions.
394
395 * Makefile.in (SIM_EXTRA_CFLAGS): Add SIM_RESERVED_BITS.
396
397 * configure.in: Add reserved bits option.
398 * configure: Regenerate.
399
400Thu Sep 11 08:40:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
401
402 * interp.c (sim_open): Use sim_do_commandf instead of asprintf.
403
404 * sim-main.h (INSN_NAME):
405
406 * Makefile.in (INCLUDE): Add SIM_EXTRA_DEPS.
407 (SIM_EXTRA_DEPS): Add itable.h
408 (tmp-gencode): Does not depend on simops.h
409
410 * sim-main.h (itable.h): Include.
411 (MAX_INSNS, INSN_NAME): Define.
412
413 * interp.c: Compute inttype from the interrupt_names index that
414 was passed in.
415
416Wed Sep 10 10:25:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
417
418 * simops.c (trace_input): Use trace_printf instead of
419 sim_io_printf.
420 (trace_output): Ditto.
421 (trace_input): Only trace when TRACE_ALU_P. Delete code
422 disasembling instruction.
423 (trace_output): Only trace when TRACE_ALU_P.
424
425Tue Sep 9 01:29:50 1997 Andrew Cagney <cagney@b1.cygnus.com>
426
427 * simops.c (trace_input, trace_output): Use sim_io_printf.
428 (OP_620): Pass correct argument to trace.
429 (OP_E607E0): Ditto.
430 (trace_input): Obtain prog_bfd, text_start et.al from simulator
431 struct.
432
433Mon Sep 8 21:03:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
434
435 * v850.igen: New file.
436 * v850-dc: New file.
437
438Mon Sep 8 18:33:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
439
440
441 * sim-main.h (SEXT16): Delete, use EXTEND16.
442 (SEXT8): Delete, use EXTEND8.
443 (SEXT32): Delete, used?
444 (SEXT40, SEXT44, SEXT64): Use UNSIGNED64 for constants, not ...LL.
445 (WITH_TARGET_WORD_MSB): Define as 31. v850 little bit endian.
446
447 * simops.c: Use EXTEND15 from sim-bits instead of SEXT16.
448
449 * sim-main.h (DEBUG_TRACE, DEBUG_VALUES, v850_debug): Delete,
450 replace with TRACE_INSN_P and TRACE_ALU_P.
451
452 * simops.c (trace_input, trace_output): Update.
453
454 * interp.c (sim_engine_run): Delete.
455 (lookup_hash): Delete.
456 (sim_open): Do not fill hash table.
457 (sim_trace): Delete.
458
459Fri Sep 5 17:04:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
460
461 * simops.c (OP_FFFF): Use sim_engine_halt.
462 (OP_12007E0): Ditto.
463 (OP_10007E0): Ditto.
464
465 * sim-main.h (struct sim_cpu): Delete member exception. Using
466 sim-engine et.al.
467
468 * interp.c (sim_info): Do not do anything in sim-info.
469 (sim_stop): Delete, replace with sim-stop.
470 (sim_stop_reason): Delete, replace with sim-reason.
471
472 * sim-main.h (WITH_WATCHPOINTS): Define.
473 (WITH_MODULO_MEMORY): Define
474
475 * Makefile.in (SIM_OBJS): Add sim-resume, sim-watch, sim-stop,
476 sim-reason.
477
478 * interp.c (enum interrupt_cond_type): Delete.
479 (struct interrupt_generator): Delete.
480 (enum interrupt_type): Drop int_none.
481 (sim_open): Initialize WATCHPOINT module.
482 (sim_resume, sim_run): Rename sim_resume to sim_run.
483 (sim_engine_run): Replace interrupt code with call to sim-events.
484 (sim_set_interrupt): Delete.
485 (sim_parse_number): Delete.
486
487Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
488
489 * configure: Regenerated to track ../common/aclocal.m4 changes.
490
491Thu Sep 4 18:11:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
492
493 * simops.c (fetch_argv): New function, fetch a arg vector from
494 simulator memory.
495
496 * configure.in: Check for fork, execve, execv.
497 * configure: Regenerate.
498
499 * interp.c (sim_store_register, sim_fetch_register): Use H2T_4 and
500 T2H_4 for byte swapping.
501
502 * sim-main.h, interp.c (get_word, get_half, get_byte, put_word,
503 put_half, put_byte): Delete.
504
505 * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
506
507 * sim-main.h (load_mem, store_mem): Redefine as macros.
508 (IMEM, IMEM_IMMED): New macros - fetch instructions.
509
510 * simops.c (OP_10007E0): For SYS_read, SYS_write, SYS_open
511 transfer data via a buffer.
512 (fetch_str): New function, fetch string from memory.
513
514 * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
515
516 * interp.c (sim_open): Establish memory maps using sim-memopt.c
517 via sim_do_command.
518 (sim_do_command): Print error if memory-map command is used. Call
519 sim_args_command.
520 (map): Delete, replaced by sim-core.
521 (sim_memory_init): Delete, replaced by sim-core.
522 (sim_set_memory_map): Delete, replaced by sim-memopt.
523 (load_mem): Delete, replaced by sim-core.
524 (store_mem): Delete, replaced by sim-core.
525 (sim_write): Delete, replaced by sim-hrw.
526 (sim_read): Delete, replaced by sim-hrw.
527
528 * sim-main.h (struct sim_state): Remove memory members, using
529 sim-core.c
530
531Wed Sep 3 10:18:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
532
533 * sim-main.h: Replace SIM_HAVE_FLATMEM with mem ptr.
534 * interp.c (map): Do not add to a void pointer.
535
536 * Makefile.in (INCLUDE): Add sim-main.h
537
538 * configure.in: Check for time.h
539 * configure: Re-generate.
540
541 * interp.c (struct interrupt_generator): Make time unsigned long,
542 address SIM_ADDR.
543 (sim_resume): Make oldpc SIM_ADDR.
544 (struct hash_entry): Make mask/opcode unsigned.
545
546 * v850_sim.h (struct simops ): Make opcode and mask unsigned.
547
548 * simops.c (utime.h): Include if available.
549 (OP_10007E0): Check for UTIME function.
550 (divun): Put parentheses around shift argument.
551 (OP_640): Put parentheses around shift argument, was wrong.
552 (OP_107F0): Return something.
553
554 * interp.c (sim_parse_number): Use strtoul not strtol.
555 (sim_resume): Use sim_elapsed_time_get to keep track of the time.
556
557 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
558 (SIM_AC_OPTION_ENDIAN): Set to hardwired big.
559 (SIM_AC_OPTION_HOST_ENDIAN): Add.
560 (AC_CHECK_FUNCS): Add utime.
561 (AC_CHECK_HEADERS): Add stdlib.h, string.h, strings.h, utime.h
562 configure: Regenerate.
563
564
565 * Makefile.in (SIM_RUN_OBJS): Use nrun.o.
566 (SIM_OBJS): Add sim-io.o, sim-hload.o, sim-utils.o, sim-options.o,
567 sim-config.o, sim-module.o, sim-events.o, sim-core.o,
568 sim-endian.o, sim-engine.o, sim-trace.o, sim-profile.o
569 (SIM_ENDIAN, SIM_WARNGINS): Define.
570
571 * simops.c (OP_10007E0): Use sim_io_* for transfers.
572
573 * interp.c (sim_resume): Pass sd around.
574
575 * simops.c (sim-main.h): Include.
576
577 * gencode.c (write_template): Generate #include sim-main.h.
578 (write_opcodes): Ditto.
579
580 * interp.c (prog_bfd, prog_bfd_was_opened_p): Delete.
581 (v850_callback): Ditto.
582 (sim_kind, myname): Ditto.
583 (lookup_hash): Pass SD. Use sim_io_error.
584 (sim_set_memory_map): Pass in SD, use.
585 (init_system): Pass in SD, use.
586 (sim_open): Update.
587 (sim_set_profile): Delete.
588 (sim_set_profile_size): Delete.
589 (do_interrupt): Pass in SD, use.
590 (sim_info): Use sim_io_printf.
591 (sim_create_inferior): Reset registers. Set PC from prog_bfd
592 argument.
593 (sim_load): Delete, use common/sim-hload.c
594 (sim_size): Rename to sim_memory_init.
595 (sim_write): Remove call to init_system.
596 (init_system): Delete.
597 (sim_set_callbacks): Delete.
598 (sim_set_interrupt): Pass in SD, use.
599 (start_time): Delete.
600
601 * v850_sim.h: Remove everything except `struct simops' from here.
602 * sim-main.h: Move most to here.
603 * gencode.c: Move #includes to here.
604
605 * sim-main.h(struct _sim_cpu): Rename struct _state.
606 (#define PC, et.al.): Update
607 (v850_callback): Delete. Replaced with SIM_DESC arg.
608 (int8, uint8, int16, uint16, int32, uint32): Define types using
609 unsigned8 et.al from common/sim-types.h.
610 * sim-main.h (State): Define as STATE_CPU.
611
612Mon Sep 1 12:07:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
613
614 * configure.in: Check for time, chmod.
615 * configure: Regenerate.
616 * simops.c (SYS_time, SYS_chmod): Use HAVE_TIME, HAVE_CHMOD.
617
618 * simops.c (../../libgloss/v850/sys/syscall.h): Include instead of
619 sys/syscall.h.
620 (OP_10007E0): Check the existance each SYS_* macro independantly.
621
622 * v850_sim.h (SIGQUIT, SIGTRAP): Only define if missing.
623
624Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
625
626 * configure: Regenerated to track ../common/aclocal.m4 changes.
627 * config.in: Ditto.
628
629Tue Aug 26 10:42:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
630
631 * interp.c (sim_kill): Delete.
632 (sim_create_inferior): Add ABFD argument.
633 (sim_load): Move setting of PC from here.
634 (sim_create_inferior): To here.
635
636Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
637
638 * configure: Regenerated to track ../common/aclocal.m4 changes.
639 * config.in: Ditto.
640
641Mon Aug 25 11:31:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
642
643 * interp.c (sim_open): Add ABFD argument.
644
645Fri Aug 22 10:39:28 1997 Nick Clifton <nickc@cygnus.com>
646
647 * simops.c (bsh): Only set CY flag if either of the bottom
648 bytes is zero.
649
650 * simops.c (prepare, dispose): Lower numbered
651 registers go to higher numbered address.
652
653 * simops.c (unsigned divide instructions): S bit set if result has
654 top bit set.
655
656 * simops.c (pushml, pushmh, popml, popmh): Lower numbered
657 registers go to higher numbered address.
658
659Wed Aug 20 13:56:35 1997 Nick Clifton <nickc@cygnus.com>
660
661 * simops.c (OP_107E0, OP_107F0, OP_307E0, OP_307F0): Use correct
662 interpretation of SR bit in list18 structure.
663 (divn, divun): New functions to perform N step divide functions.
664
665Mon Aug 18 10:59:02 1997 Nick Clifton <nickc@cygnus.com>
666
667 * simops.c (OP_300, OP_400, OP_60, OP_70): Support variant opcodes
668 with US bit set in the PSW.
669
670Wed Aug 13 19:06:55 1997 Nick Clifton <nickc@cygnus.com>
671
672 * interp.c (sim_resume): Opcode functions return amount to be
673 added to PC and all opcodes take a standard format in the OP[]
674 array.
675
676 (do_format_*): Functions removed.
677
678 * v850_sim.h (SP, EP): New register mnemonics.
679
680 * gencode.c (write_header): Functions prototypes return an
681 integer.
682
683 * simops.c: Opcode functions return amount to be added to PC.
684
685 * v850_sim.h (CTPC, CTPSW, CTBP): New register mnemonics.
686
687 * simops.c: Add support for v850e instructions.
688
689 * simops.c: Add support for v850eq instructions.
690
691Tue May 20 10:24:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
692
693 * interp.c (sim_open): Add callback argument.
694 (sim_set_callbacks): Delete SIM_DESC argument.
695
696Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
697
698 * configure: Regenerated to track ../common/aclocal.m4 changes.
699
700Wed Apr 23 17:20:16 1997 Doug Evans <dje@canuck.cygnus.com>
701
702 * interp.c (prog_bfd_was_opened_p): New static local.
703 (prog_bfd): New global variable.
704 (sim_open): Undo patch to add -E support.
705 (sim_close): Close prog_bfd if sim_load opened it.
706 (sim_load): Record bfd of loaded file in prog_bfd.
707 * simops.c (prog_bfd): Renamed from exec_bfd.
708
709Fri Apr 18 14:17:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
710
711 * interp.c (sim_stop): Stub function.
712
713Thu Apr 17 03:53:18 1997 Doug Evans <dje@canuck.cygnus.com>
714
715 * Makefile.in (SIM_OBJS): Add sim-load.o.
716 * interp.c (sim_kind, myname): New static locals.
717 (sim_open): Set sim_kind, myname. Ignore -E arg.
718 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
719 load file into simulator. Set start address from bfd.
720 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
721
722Wed Apr 16 19:53:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
723
724 * simops.c (OP_10007E0): Only provide system calls SYS_execv,
725 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
726
727Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
728
729 * configure: Regenerated to track ../common/aclocal.m4 changes.
730 * config.in: Ditto.
731
732Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
733
734 * interp.c (sim_open): New arg `kind'.
735
736 * configure: Regenerated to track ../common/aclocal.m4 changes.
737
738Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
739
740 * configure: Regenerated to track ../common/aclocal.m4 changes.
741
742Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
743
744 * configure: Regenerated to track ../common/aclocal.m4 changes.
745
746Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
747
748 * configure: Re-generate.
749
750Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
751
752 * configure: Regenerate to track ../common/aclocal.m4 changes.
753
754Thu Mar 13 13:00:54 1997 Doug Evans <dje@canuck.cygnus.com>
755
756 * interp.c (sim_open): New SIM_DESC result. Argument is now
757 in argv form.
758 (other sim_*): New SIM_DESC argument.
759
760Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
761
762 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
763 COMMON_{PRE,POST}_CONFIG_FRAG instead.
764 * configure.in: sinclude ../common/aclocal.m4.
765 * configure: Regenerated.
766
767Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
768
769 * configure configure.in Makefile.in: Update to new configure
770 scheme which is more compatible with WinGDB builds.
771 * configure.in: Improve comment on how to run autoconf.
772 * configure: Re-run autoconf to get new ../common/aclocal.m4.
773 * Makefile.in: Use autoconf substitution to install common
774 makefile fragment.
775
776Mon Jan 20 16:05:34 1997 Michael Meissner <meissner@tiktok.cygnus.com>
777
778 * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
779 not zero extend.
780
781Tue Jan 14 17:06:03 1997 Stu Grossman (grossman@critters.cygnus.com)
782
783 * simops.c: Put ifdefs around things to make MSVC happy. Get rid
784 of unistd.h. Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
785 SYS_gettimeofday and SYS_utime from MSVC.
786
787Tue Dec 31 18:11:13 1996 Michael Meissner <meissner@tiktok.cygnus.com>
788
789 * simops.c (OP_10007E0): Know that kill encodes the signal number
790 via: 0xdead0000 | signal and turn it back into a signal.
791
792Fri Dec 27 14:44:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
793
794 * v850_sim.h (SIG_V850_EXIT): Define as -1.
795
796 * interp.c (sim_open): Cast calloc function.
797 (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
798 program exited with the appropriate exit code.
799 (sim_set_interrupt): Declare buildargv.
800
801 * simops.c (OP_10007E0): Make exit signal normal exit. Make time
802 type correct and work on big endian systems.
803
804Wed Nov 20 02:18:44 1996 Doug Evans <dje@canuck.cygnus.com>
805
806 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
807 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
808 * configure.in: Simplify using macros in ../common/aclocal.m4.
809 Call AC_CHECK_HEADERS(unistd.h).
810 * configure: Regenerated.
811 * config.in: New file.
812 * simops.c: #include "config.h". #include <unistd.h> if present.
813
814Sun Nov 3 23:02:54 1996 Stan Shebs <shebs@andros.cygnus.com>
815
816 * v850_sim.h (State): New slots dummy_mem, pending_nmi.
817 (EIPC, etc): New macros for system registers.
818 * simops.c, interp.c: Use everywhere.
819
820 * interp.c: Add support for interrupts issued by interrupt
821 generators, either PC- or time-based. Controlled by simulator
822 command "sim interrupt".
823
824 * interp.c: Add support for variable-size allocation of memory,
825 via simulator command "sim memory-map".
826 (map): Issue SIGSEGV for references to invalid memory regions.
827
828Thu Oct 31 14:44:10 1996 Gavin Koch <gavin@cygnus.com>
829
830 * simops.c: Include <sys/time.h> for struct timeval and
831 struct timezone.
832
833Wed Oct 30 08:49:10 1996 Jeffrey A Law (law@cygnus.com)
834
835 * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
836
837 * simops.c (OP_10007E0): Handle SYS_time.
838
839Tue Oct 29 14:22:55 1996 Jeffrey A Law (law@cygnus.com)
840
841 * simops.c: Include <sys/stat.h>.
842 (OP_10007E0): Handle SYS_stat.
843
844Thu Oct 24 12:26:35 1996 Jeffrey A Law (law@cygnus.com)
845
846 * simops.c (OP_10007E0): Don't declare errno.
847
848 * simops.c (OP_500): Mask off low bit in displacement
849 for sld.w.
850 (OP_501): Similarly.
851
852 * simops.c (OP_500): Fix displacement handling for sld.w.
853 (OP_501): Similarly for sst.w.
854
855 * simops.c (trace_input): Remove all references to SEXT7.
856 (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
857 is zero extended for sst/sld instructions.
858 * v850_sim.h (SEX7): Delete. It's no longer needed (and it
859 was incorrect anyway).
860
861Thu Oct 24 10:33:33 1996 Stu Grossman (grossman@critters.cygnus.com)
862
863 * Makefile.in: Get rid of srcroot. Set all INSTALL macros via
864 autoconf.
865 * gencode.c (write_opcodes): Pad operands field to account for
866 MSVC braindamage.
867 * simops.c: Include errno.h. Exclude SYS_chown, since MSVC
868 doesn't support it. (Why is this here in the first place?!?)
869 * v850_sim.h: Get rid of 64 bit defs. Also, get rid of #elif's.
870 Change number of operands in struct simops from 9 to 6. Define
871 SIGTRAP and SIGQUIT for MSVC.
872
873Tue Oct 15 16:19:51 1996 Stu Grossman (grossman@critters.cygnus.com)
874
875 * interp.c (MEM_SIZE): It's now bytes, not a power of 2.
876 * (map): Add support for external mem in the 1->2 meg range.
877 Also, abort() when memory access is way out of bounds. (Better to
878 die than to give wrong result. (This will be fixed later.))
879 * (sim_size): MEM_SIZE is now bytes, not shift factor.
880
881Tue Oct 1 15:53:24 1996 Gavin Koch <gavin@cygnus.com>
882
883 * simops.c (trace_input): Swapped order of operands for output
884 output of OP_IMM_REG. Changed the fetching of the operands for
885 OP_LOAD32, and OP_STORE32 to work like op-function.
886
887Mon Sep 30 15:46:33 1996 Stu Grossman (grossman@critters.cygnus.com)
888
889 * interp.c: Move includes of remote-sim.h and callback.h to
890 v850-sim.h.
891 * (lookup_hash): Add PC to report of hash failure.
892 * (map load_mem store_mem): New memory subsystem. Models V851
893 memory system.
894 * (sim_write sim_read): Use new memory subsystem.
895 * (sim_resume): Don't load and save PC into EIPC anymore. Needed
896 to make user-defined traps work right.
897 * simops.c (OP_*): Use new memory subsystem.
898 * (OP_14007E0 (reti)): Implement reti.
899 * (OP_14996E0 (trap)): Implement user-defined traps. Move I/O to
900 trap 31. Use new memory subsystem.
901 * v850_sim.h: Prototypes for load_mem, store_mem and map. Use
902 load_mem in RLW macro.
903
904Fri Sep 27 18:34:09 1996 Stu Grossman (grossman@critters.cygnus.com)
905
906 * gencode.c (write_opcodes): Output hex values for opcode mask
907 and patterns.
908 * interp.c (sim_resume): Save and restore PC from the appropriate
909 register.
910 * (sim_fetch_register sim_store_register): Fix byte-order problem
911 with reading and writing registers.
912 * simops.c (OP_FFFF): Implement pseudo-breakpoint insn.
913
914Fri Sep 27 17:42:37 1996 Jeffrey A Law (law@cygnus.com)
915
916 * simops.c (trace_input): Fix thinko.
917
918Wed Sep 18 09:54:12 1996 Michael Meissner <meissner@tiktok.cygnus.com>
919
920 * simops.c (exec_bfd): Rename from sim_bfd.
921 (trace_input): Ditto.
922
923Thu Sep 12 12:03:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
924
925 * simops.c (trace_input): Use find_nearest_line to print line
926 number, function name or file name of PC.
927
928Wed Sep 11 16:44:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
929
930 * simops.c: Add tracing support. Use SEXTxx macros instead of
931 doing hardwired shifts.
932
933 * configure.in (--enable-sim-cflags): Add switch to add additional
934 flags to simulator buld. If --enable-sim-cflags=trace, turn on
935 tracing.
936 * configure: Regenerate.
937
938 * Makefile.in: Don't require a VPATH capable make if configuring
939 in the same directory. Don't use CFLAGS for configuration flags.
940 Add flags from --enable-sim-cflags. Support canadian cross
941 builds. Rebuild whole simulator if include files change.
942
943 * interp.c (v850_debug): New global for debugging.
944 (lookup_hash,sim_size,sim_set_profile): Use
945 printf_filtered callback, instead of calling printf directly.
946 (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
947
948 * v850_sim.h: Use limits.h to set the various sized types.
949 (SEXT{5,7,16,22}): New macros.
950
951Mon Sep 9 20:50:46 1996 Jeffrey A Law (law@cygnus.com)
952
953 * interp.c (hash): Make this an inline function
954 when compiling with GCC. Simplify.
955 * simpos.c: Explicitly include "sys/syscall.h". Remove
956 some #if 0'd code. Enable more emulated syscalls.
957
958Wed Sep 4 01:48:55 1996 Jeffrey A Law (law@cygnus.com)
959
960 * interp.c: Fix sign bit handling for add and sub instructions.
961
962Tue Sep 3 10:20:30 1996 Jeffrey A Law (law@cygnus.com)
963
964 * gencode.c: Fix various indention & style problems.
965 Remove test code. Remove #if 0 code.
966 * interp.c: Provide prototypes for all static functions.
967 Fix minor indention problems.
968 (sim_open, sim_resume): Remove unused variables.
969 (sim_read): Return type is "int".
970 * simops.c: Remove unused variables.
971 (divh): Make result of divide-by-zero zero.
972 (setf): Initialize result to keep compiler quiet.
973 (sar instructions): These just clear the overflow bit.
974 * v850_sim.h: Provide prototypes for put_byte, put_half
975 and put_word.
976
977 * interp.c: OP should be an array of 32bit operands!
978 (v850_callback): Declare.
979 (do_format_5): Fix extraction of OP[0].
980 (sim_size): Remove debugging printf.
981 (sim_set_callbacks): Do something useful.
982 (sim_stop_reason): Gross hacks to get c-torture running.
983 * simops.c: Simplify code for computing targets of bCC
984 insns. Invert 's' bit if 'ov' bit is set for some
985 instructions. Fix 'cy' bit handling for numerous
986 instructions. Make the simulator stop when a halt
987 instruction is encountered. Very crude support for
988 emulated syscalls (trap 0).
989 * v850_sim.h: Include "callback.h" and declare
990 v850_callback. Items in the operand array are 32bits.
991
992Sun Sep 1 22:35:35 1996 Jeffrey A Law (law@cygnus.com)
993
994 * interp.c (sim_resume): Fix code to check for a format 3
995 opcode.
996 * simops.c: bCC insns only argument is a constant, not a
997 register value (duh...)
998
999Fri Aug 30 10:33:49 1996 Jeffrey A Law (law@cygnus.com)
1000
1001 * simops.c: Fix "not1" and "set1".
1002
1003 * simops.c: Don't forget to initialize temp for
1004 "ld.h" and "ld.w"
1005
1006 * interp.c: Remove various debugging printfs.
1007
1008 * simops.c: Fix satadd, satsub boundary case handling.
1009
1010 * interp.c (hash): Fix.
1011 * interp.c (do_format_8): Get operands correctly and
1012 call the target function.
1013 * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
1014
1015Thu Aug 29 13:53:29 1996 Jeffrey A Law (law@cygnus.com)
1016
1017 * interp.c (do_format_4): Get operands correctly and
1018 call the target function.
1019 * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
1020 "sst.h", and "sst.w".
1021
1022 * v850_sim.h: The V850 doesn't have split I&D spaces. Change
1023 accordingly. Remove many unused definitions.
1024 * interp.c: The V850 doesn't have split I&D spaces. Change
1025 accordingly.
1026 (get_longlong, get_longword, get_word): Deleted.
1027 (write_longlong, write_longword, write_word): Deleted.
1028 (get_operands): Deleted.
1029 (get_byte, get_half, get_word): New functions.
1030 (put_byte, put_half, put_word): New functions.
1031 * simops.c: Remove unused functions. Rough cut at
1032 "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
1033
1034 * v850_sim.h (struct _state): Remove "psw" field. Add
1035 "sregs" field.
1036 (PSW): Remove bogus definition.
1037 * simops.c: Change condition code handling to use the psw
1038 register within the sregs array. Handle "ldsr" and "stsr".
1039
1040 * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
1041
1042 * interp.c (do_format_5): Get operands correctly and
1043 call the target function.
1044 (sim_resume): Don't do a PC update for format 5 instructions.
1045 * simops.c: Handle "jarl" and "jmp" instructions.
1046
1047 * simops.c: Fix minor typos. Handle "cmp", "setf", "tst"
1048 "di", and "ei" instructions correctly.
1049
1050 * interp.c (do_format_3): Get operands correctly and call
1051 the target function.
1052 * simops.c: Handle bCC instructions.
1053
1054 * simops.c: Add condition code handling to shift insns.
1055 Fix minor typos in condition code handling for other insns.
1056
1057 * Makefile.in: Fix typo.
1058 * simops.c: Add condition code handling to "sub" "subr" and
1059 "divh" instructions.
1060
1061 * interp.c (hash): Update to be more accurate.
1062 (lookup_hash): Call hash rather than computing the hash
1063 code here.
1064 (do_format_1_2): Handle format 1 and format 2 instructions.
1065 Get operands correctly and call the target function.
1066 (do_format_6): Get operands correctly and call the target
1067 function.
1068 (do_formats_9_10): Rough cut so shift ops will work.
1069 (sim_resume): Tweak to deal with format 1 and format 2
1070 handling in a single funtion. Don't update the PC
1071 for format 3 insns. Fix typos.
1072 * simops.c: Slightly reorganize. Add condition code handling
1073 to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
1074 and "not" instructions.
1075 * v850_sim.h (reg_t): Registers are 32bits.
1076 (_state): The V850 has 32 general registers. Add a 32bit
1077 psw and pc register too. Add accessor macros
1078
1079 * Makefile.in, interp.c, v850_sim.h: Bring over endianness
1080 changes from the d10v simulator.
1081
1082 * simops.c: Add shift support.
1083
1084 * simops.c: Add multiply & divide support. Abort for system
1085 instructions.
1086
1087 * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
1088 and subr. No condition codes yet.
1089
1090Wed Aug 28 13:53:22 1996 Jeffrey A Law (law@cygnus.com)
1091
1092 * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
1093 gencode.c, interp.c, simops.c: Created.
1094
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