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Richard Earnshaw <rearnsha@arm.com>
[thirdparty/binutils-gdb.git] / sim / v850 / ChangeLog
CommitLineData
2f0122dc
DJ		 12006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
2
3 * configure: Regenerated.
4
20e95c23
DJ		 52006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6
7 * configure: Regenerated.
8
2b193c4a
MK		 92005-03-23 Mark Kettenis <kettenis@gnu.org>
10
11 * configure: Regenerate.
12
35695fd6
AC		 132005-01-14 Andrew Cagney <cagney@gnu.org>
14
15 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
16 explicit call to AC_CONFIG_HEADER.
17 * configure: Regenerate.
18
f0569246
AC		 192005-01-12 Andrew Cagney <cagney@gnu.org>
20
21 * configure.ac: Update to use ../common/common.m4.
22 * configure: Re-generate.
23
38f48d72
AC		 242005-01-11 Andrew Cagney <cagney@localhost.localdomain>
25
26 * configure: Regenerated to track ../common/aclocal.m4 changes.
27
b7026657
AC		 282005-01-07 Andrew Cagney <cagney@gnu.org>
29
30 * configure.ac: Rename configure.in, require autoconf 2.59.
31 * configure: Re-generate.
32
379832de
HPN		 332004-12-08 Hans-Peter Nilsson <hp@axis.com>
34
35 * configure: Regenerate for ../common/aclocal.m4 update.
36
4389ce38
MK		 372004-01-18 Mark Kettenis <kettenis@gnu.org>
38
39 * simops.c: Include <sys/types.h>.
40
c5ea1d53
NC		 412003-09-05 Andrew Cagney <cagney@redhat.com>
42 Nick Clifton <nickc@redhat.com>
43
44 * interp.c (sim_open): Accept bfd_mach_v850e1.
45 * v850-dc: Add entry for v850e1.
46 * v850.igen: Add support for v850e1.
47 Add code for DBTRAP and DBRET instructions.
48 (dbtrap): Create a separate v850e1 specific instruction.
49 Only generate a trap if the target is not the v850e1.
50 Otherwise treat it as a special kind of branch.
51 (break): Mark as v850/v850e specific.
52
ae451ac6
ILT		 532003-05-16 Ian Lance Taylor <ian@airs.com>
54
55 * Makefile.in (SHELL): Make sure this is defined.
56 (tmp-igen): Use $(SHELL) whenever we invoke move-if-change.
57
ebc115b7
NC		 582003-04-06 Nick Clifton <nickc@redhat.com>
59
1eec9e33
NC		 60 * simops.c (OP_40): Delete. Move code to...
61 * v850-igen.c (): ...Here. Sign extend the first operand.
ebc115b7
NC		 62 * simops.h (OP_40): Remove prototype.
63
6b4a8935
AC		 642003-02-27 Andrew Cagney <cagney@redhat.com>
65
66 * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
67
0da2b665
AC		 682002-11-30 Andrew Cagney <cagney@redhat.com>
69
70 * simops.c: Use int, 1, 0 instead of boolean, true and false.
71 * sim-main.h: Ditto.
72
30458d39
JW		 732002-09-27 Jim Wilson <wilson@redhat.com>
74
75 * simops.c (OP_E6077E0): And op1 with 7 after reading register, not
76 before.
77 (BIT_CHANGE_OP): Likewise.
78
2e8162ce
JW		 792002-09-26 Jim Wilson <wilson@redhat.com>
80
81 * simops (OP_10007E0): Don't subtract 4 from PC.
82
5d6a173d
NC		 832002-09-19 Nick Clifton <nickc@redhat.com>
84
85 * interp.c (sim_open): Remove reference to v850ea.
86 (sim_create_inferior): Likewise.
87 * v850-dc: Likewise.
88 * v850.igen: Remove all references to v850ea, including v850ea
89 specific instructions.
90
e551c257
NC		 912002-08-29 Nick Clifton <nickc@redhat.com>
92
93 From 2001-08-23 Catherine Moore <clm@redhat.com>
94
95 * Makefile.in: Add gen-zero-r0 option.
96 * sim-main.h (GPR_SET, GPR_CLEAR): Define.
97 * simops.c (OP_24007E0): Sign extend the imm9
98 operand of a mul instruction.
99
d62274a3
AC		 1002002-06-17 Andrew Cagney <cagney@redhat.com>
101
102 * simops.c (trace_result): Fix printf formatting.
103
c8cca39f
AC		 1042002-06-16 Andrew Cagney <ac131313@redhat.com>
105
106 * configure: Regenerated to track ../common/aclocal.m4 changes.
107
7ef2d4e7
AC		 1082001-12-02 Andrew Cagney <ac131313@redhat.com>
109
110 * Makefile.in (simops.h, table.c): Delete targets.
111 (tmp-gencode, gencode.o, gencode): Delete targets.
112 (simops.h): New file.
113 ($(BUILT_SRC_FROM_IGEN)): Do not depend on simops.h.
114 * gencode.c: Delete file.
115
d4424ada
C		 1162001-04-15 J.T. Conklin <jtc@redback.com>
117
118 * Makefile.in (simops.o): Add simops.h to dependency list.
119
1e6cd159
AC		 1202001-03-14 Andrew Cagney <ac131313@redhat.com>
121
122 * Makefile.in (gencode): Link with libintl.
123
42acc51e
JL		 1242001-01-31 Jonathan Larmour <jlarmour@redhat.com>
125
126 * Makefile.in (gencode): Link with libopcodes in build tree rather
127 than building source files from there.
128
896ad910
NC		 1292000-05-30 Nick Clifton <nickc@cygnus.com>
130
131 * v850.igen: Remove illegal instruction pattern, since it is the
132 same as the breakpoint pattern.
133
eb2d80b4
AC		 134Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
135
136 * configure: Regenerated to track ../common/aclocal.m4 changes.
137
b9791fcd
FCE		 1382000-04-14 Gary Thomas <gthomas@redhat.com>
139
140 * v850.igen: Define 'br *' as illegal since this is the only
141 way to provide a breakpoint on some v850 family processors.
142
de616bc7
FCE		 1432000-03-24 Frank Ch. Eigler <fche@redhat.com>
144
145 * v850.igen (ilgop): New insn pattern for four-byte breakpoints.
146
d4f3574e
SS		 147Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
148
149 * configure: Regenerated to track ../common/aclocal.m4 changes.
150
cd0fc7c3
SS		 1511999-05-08 Felix Lee <flee@cygnus.com>
152
153 * configure: Regenerated to track ../common/aclocal.m4 changes.
154
c906108c
SS		 155Tue Dec 1 17:25:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
156
157 * Makefile.in (NL_TARGET): Define as -DNL_TARGET_v850.
158
159Wed Nov 25 17:52:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
160
161 * Makefile.in (simops.o): Depends on targ-vals.h
162 * simops.c: Include targ-vals.h instead of
163 libgloss/.../syscall.h. Replace SYS_* with TARGET_SYS_*.
164 (divn, divun, OP_1C007E0, OP_18207E0, OP_1C207E0,OP_18007E0):
165 Replace signed long int with signed32.
166
167Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
168
169 * interp.c: #include "itable.h".
170 (get_insn_name): New function.
171 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
172 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
173
174Wed May 6 19:43:27 1998 Doug Evans <devans@canuck.cygnus.com>
175
176 * sim-main.h (INSN_NAME): New arg `cpu'.
177
178Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
179
180 * configure: Regenerated to track ../common/aclocal.m4 changes.
181
182Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
183
184 * configure: Regenerated to track ../common/aclocal.m4 changes.
185 * config.in: Ditto.
186
187Sun Apr 26 15:19:14 1998 Tom Tromey <tromey@cygnus.com>
188
189 * acconfig.h: New file.
190 * configure.in: Reverted change of Apr 24; use sinclude again.
191
192Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
193
194 * configure: Regenerated to track ../common/aclocal.m4 changes.
195 * config.in: Ditto.
196
197Fri Apr 24 11:18:08 1998 Tom Tromey <tromey@cygnus.com>
198
199 * configure.in: Don't call sinclude.
200
201Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
202
203 * configure: Regenerated to track ../common/aclocal.m4 changes.
204 * sim-main.h (SIM_MAIN_H): Wrap header.
205
206Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
207
208 * configure: Regenerated to track ../common/aclocal.m4 changes.
209
210Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
211
212 * configure: Regenerated to track ../common/aclocal.m4 changes.
213
214Tue Mar 10 15:54:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
215
216 * interp.c (sim_stop): Delete, second attempt.
217
218Thu Feb 26 19:09:47 1998 Andrew Cagney <cagney@b1.cygnus.com>
219
220 * interp.c (sim_info): Delete.
221
222Wed Feb 18 10:47:32 1998 Andrew Cagney <cagney@b1.cygnus.com>
223
224 * sim-main.h (TRACE_ALU_INPUT*): Delete. Moved to sim-trace.[hc].
225
226 * simops.c (trace_result): Call trace_generic instead of
227 trace_one_insn.
228 (trace_module): Change variable type to integer.
229 (trace_input): Initialize trace_module with TRACE_ALU_IDX.
230
231 * sim-main.h (trace_module): Change variable decl to integer type.
232 (TRACE_BRANCH*, TRACE_LD, TRACE_ST): Update.
233
234Tue Feb 17 12:51:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
235
236 * interp.c (sim_store_register, sim_fetch_register): Pass in
237 length parameter. Return -1.
238
239Tue Feb 3 16:24:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
240
241 * sim-main.h (IMEM16, IMEM16_IMMED): Rename IMEM and
242 IMEM_IMMED. To match recent igen change.
243
244Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
245
246 * configure: Regenerated to track ../common/aclocal.m4 changes.
247
248Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
249
250 * configure: Regenerated to track ../common/aclocal.m4 changes.
251
252Fri Jan 30 09:51:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
253
254 * sim-main.h (CPU_CIA): Delete, replaced by.
255 (CIA_SET, CIA_SET): Define.
256
257Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
258
259 * configure: Regenerated to track ../common/aclocal.m4 changes.
260
261Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
262
263 * configure: Regenerated to track ../common/aclocal.m4 changes.
264 * config.in: Ditto.
265
266Fri Dec 5 09:26:08 1997 Nick Clifton <nickc@cygnus.com>
267
268 * v850.igen: Revert break value back to its old value.
269
270Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
271
272 * configure: Regenerated to track ../common/aclocal.m4 changes.
273
274Wed Dec 3 17:27:19 1997 Nick Clifton <nickc@cygnus.com>
275
276 * v850.igen: Make break have a zero first field, since otherwise
277 it clashes with the DIVH instruction.
278
279Sat Nov 22 21:32:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
280
281 * simops.c (OP_10007E0): Rename SIGABRT -> SIM_SIGABRT. Give
282 sim_stopped instead of sim_signalled.
283
284 * v850.igen (BREAK), simops.c (OP_12007E0): Rename SIGTRAP to
285 SIM_SIGTRAP.
286 (illegal): Rename SIGILL to SIM_SIGILL.
287
288 * sim-main.h, simops.c, interp.c: Do not include signal.h.
289
290 * sim-main.h: Include sim-signal.h instead of signal.h.
291 (SIGTRAP, SIGQUIT): Delete definition.
292 (SIG_V850_EXIT): Delete definition.
293
294Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
295
296 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
297
298Fri Oct 31 10:33:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
299
300 * interp.c (sim_open): Check state magic number.
301 (sim-assert.h): Include.
302
303Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
304
305 * v850.igen: Add model filter field to records.
306
307Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
308
309 * configure: Regenerated to track ../common/aclocal.m4 changes.
310
311Fri Sep 26 11:56:02 1997 Felix Lee <flee@cygnus.com>
312
313 * sim-main.h: delete null override of SIM_ENGINE_HALT_HOOK and
314 SIM_ENGINE_RESTART_HOOK.
315
316Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
317
318 * configure: Regenerated to track ../common/aclocal.m4 changes.
319
320Wed Sep 24 17:28:26 1997 Andrew Cagney <cagney@b1.cygnus.com>
321
322 * sim-main.h (WITH_TARGET_WORD_MSB): Delete.
323
324 * configure.in (SIM_AC_OPTION_BITSIZE): Specify 32 bit
325 architecture with MSB == 31.
326
327Wed Sep 24 14:04:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
328
329 * v850.igen: Make divh insn with RRRRR==0 breakpoint.
330
331Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
332
333 * configure: Regenerated to track ../common/aclocal.m4 changes.
334
335Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
336
337 * Makefile.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
338 SIM_HOSTENDIAN, SIM_RESERVED_BITS): Delete, moved to common.
339 (SIM_EXTRA_CFLAGS): Update.
340
341Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
342
343 * configure: Regenerated to track ../common/aclocal.m4 changes.
344 * configure.in: Really specify NONSTRICT_ALIGNMENT as the default.
345
346Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
347
348 * configure.in: Specify NONSTRICT_ALIGNMENT as the default.
349 * configure: Regenerated to track ../common/aclocal.m4 changes.
350
351Fri Sep 19 10:37:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
352
353 * v850.igen (disp16): Use EXTEND16 to sign extend disp.
354 (disp22): Only shift left by 1, not 2.
355 ("jmp"): Ensure PC is 2 byte aligned.
356
357 * simops.c, v850.igen: Move "Bcond", "jr", "jarl" code to
358 v850.igen. Fix tracing.
359
360 * simops.c (OP_300, OP_400, OP_500): Move "sdl.b", "sld.h",
361 "sld.w" insns to v850.igen. Fix tracing.
362 (OP_70): Ditto for "sld.hu".
363
364 * v850.igen: Clarify tracing of "sld.b", "sld.h" et.al.
365
366 * simops.c (condition_met): Make global.
367
368 * sim-main.h (TRACE_ALU_INPUT3, TRACE_BRANCH0, TRACE_LD,
369 TRACE_ST): Define.
370 (TRACE_LD_NAME): Define.
371
372 * simops.c: Move "cmov", "cmov imm" to v850.igen, fix.
373
374Wed Sep 17 16:21:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
375
376 * simops.c: Move "mov", "reti", to v850.igen, fix tracing.
377
378 * interp.c (hash): Delete.
379
380 * v850.igen (nop): Really do nothing.
381
382 * interp.c (do_interrupt): Mask interrupts after PSW is saved, not
383 before.
384 * v850.igen (reti): Return to current PC not previous.
385
386Wed Sep 17 14:02:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
387
388 * simops.c: Move "ctret", "bsw", "hsw" to v850.igen, fix tracing.
389 (trace_module): Global, save component/module name across insn.
390
391 * simops.c: Move "bsh" to v850.igen, fix.
392
393 * v850.igen (callt): Load correct number of bytes. Fix tracing.
394 (stsr, ldsr): Correct src, dest fields. Fix tracing.
395 (ctret): Force alignment. Fix tracing.
396
397Tue Sep 16 22:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
398
399 * simops.c (trace_output): Add result argument.
400 (trace_result): New function. Simpler version of trace_output,
401 assumes trace needed.
402 (trace_output): Call trace_result.
403 (trace_output): For IMM_REG_REG, trace correct register.
404 (trace_input): Add case for 16bit immediates.
405 (OP_600, OP_640, OP_680, OP_6C0, OP_6A0): Use.
406
407 * sim-main.h (TRACE_ALU_INPUT, TRACE_ALU_RESULT): Define.
408 (trace_values, trace_name, trace_pc, trace_num_values): Make
409 global.
410 (GR, SR): Define.
411
412 v850.insn (movea, stsr): Use.
413 (sxb, sxh, zxb, zxh): Ditto.
414
415Tue Sep 16 21:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
416
417 * simops.c: Move "movea" from here.
418 * v850.igen: To here.
419
420 * v850.igen (simm16): Define, sign extend imm16.
421 (uimm16): Define, no sign extension.
422 (addi, andi, movea, movhi, mulhi, ori, satsubi, xori): Use.
423
424 * simops.c: Move "sxh", "switch", "sxb", "callt", "dispose",
425 "mov32" from here.
426 * v850.igen: To here.
427 (switch): Fix off by two error in NIA calc.
428
429Tue Sep 16 15:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
430
431 * simops.c (trace_pc, trace_name, trace_values, trace_num_values):
432 New static globals.
433 (trace_input): Just save pc, name and values for trace_output.
434 (trace_output): Write trace values to a buffer. Use
435 trace_one_insn to print trace info and buffer.
436 (SIZE_OPERANDS, SIZE_LOCATION): Delete.
437
438Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
439
440 * sim-main.h (struct _sim_cpu): Add psw_mask so that reserved bits
441 can be masked out.
442
443 * simops.c (OP_2007E0, OP_4007E0): Move "ldsr", "stsr"
444 instructions from here.
445 * v850.igen (ldsr, stsr): To here. Mask out reserved bits when
446 setting PSW.
447
448 * interp.c (sim_open): Set psw_mask if machine known.
449
450Tue Sep 16 10:20:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
451
452 * v850-dc: Add rule to diferentiate between breakpoint and divh.
453 * v850.igen (break): New instruction, breakpoint simulator.
454 * v850.igen (breakpoint): Enable. Change to a 32bit instruction.
455
456Mon Sep 15 18:44:05 1997 Jim Wilson <wilson@cygnus.com>
457
458 * simops.c (Multiply64): Don't store into register zero.
459
460Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
461
462 * Makefile.in (semantics.o): Add dependency.
463
464 * sim-main.h (SAVE_1, SAVE_2): Perform backward compatible save,
465 do not adjust CIA/NIA.
466
467Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
468
469 * simops.c (OP_300, OP_400, OP_70): Make behavour depend on PSW[US].
470
471 * simops.c: Move "divun", "sld.bu", "divhn", "divhun", "divn",
472 "divun", "pushml" code from here to v850.igen.
473 (divun): Make global.
474 (type3_regs): Make global
475
476 * v850.igen: Move simops.c code to here.
477
478 * interp.c (sim_create_inferior): For v850eq set US bit by
479 default.
480
481 * interp.c (sim_open): Don't set arch, now set by
482 sim_analyze_program.
483
484 * configure: Regenerated to track ../common/aclocal.m4 changes.
485
486Mon Sep 15 14:39:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
487
488 * simops.c (op_types): Move from here.
489 sim-main.h: To here.
490
491 * sim-main.h (trace_input, trace_output), simops.c: Make global.
492
493 * simops.c (OP_60): Move "jmp" code from here.
494 * v850.igen (jmp): To here.
495
496 * simops.c (OP_60): Move "sld.bu" code from here.
497 * v850.igen (sld.bu): To here.
498
499Fri Sep 12 15:11:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
500
501 * v850.igen (prepare, ...): Add to v850eq architecture.
502
503 * interp.c (sim_open): Default to v850eq.
504
505 * interp.c (sim_open): Default to v850e.
506 * sim-main.h (signal.h): Include.
507
508 * v850.igen (illegal): Report/halt illegal instructions.
509
510 * Makefile.in (SIM_EXTRA_CFLAGS): Add SIM_RESERVED_BITS.
511
512 * configure.in: Add reserved bits option.
513 * configure: Regenerate.
514
515Thu Sep 11 08:40:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
516
517 * interp.c (sim_open): Use sim_do_commandf instead of asprintf.
518
519 * sim-main.h (INSN_NAME):
520
521 * Makefile.in (INCLUDE): Add SIM_EXTRA_DEPS.
522 (SIM_EXTRA_DEPS): Add itable.h
523 (tmp-gencode): Does not depend on simops.h
524
525 * sim-main.h (itable.h): Include.
526 (MAX_INSNS, INSN_NAME): Define.
527
528 * interp.c: Compute inttype from the interrupt_names index that
529 was passed in.
530
531Wed Sep 10 10:25:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
532
533 * simops.c (trace_input): Use trace_printf instead of
534 sim_io_printf.
535 (trace_output): Ditto.
536 (trace_input): Only trace when TRACE_ALU_P. Delete code
537 disasembling instruction.
538 (trace_output): Only trace when TRACE_ALU_P.
539
540Tue Sep 9 01:29:50 1997 Andrew Cagney <cagney@b1.cygnus.com>
541
542 * simops.c (trace_input, trace_output): Use sim_io_printf.
543 (OP_620): Pass correct argument to trace.
544 (OP_E607E0): Ditto.
545 (trace_input): Obtain prog_bfd, text_start et.al from simulator
546 struct.
547
548Mon Sep 8 21:03:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
549
550 * v850.igen: New file.
551 * v850-dc: New file.
552
553Mon Sep 8 18:33:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
554
555
556 * sim-main.h (SEXT16): Delete, use EXTEND16.
557 (SEXT8): Delete, use EXTEND8.
558 (SEXT32): Delete, used?
559 (SEXT40, SEXT44, SEXT64): Use UNSIGNED64 for constants, not ...LL.
560 (WITH_TARGET_WORD_MSB): Define as 31. v850 little bit endian.
561
562 * simops.c: Use EXTEND15 from sim-bits instead of SEXT16.
563
564 * sim-main.h (DEBUG_TRACE, DEBUG_VALUES, v850_debug): Delete,
565 replace with TRACE_INSN_P and TRACE_ALU_P.
566
567 * simops.c (trace_input, trace_output): Update.
568
569 * interp.c (sim_engine_run): Delete.
570 (lookup_hash): Delete.
571 (sim_open): Do not fill hash table.
572 (sim_trace): Delete.
573
574Fri Sep 5 17:04:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
575
576 * simops.c (OP_FFFF): Use sim_engine_halt.
577 (OP_12007E0): Ditto.
578 (OP_10007E0): Ditto.
579
580 * sim-main.h (struct sim_cpu): Delete member exception. Using
581 sim-engine et.al.
582
583 * interp.c (sim_info): Do not do anything in sim-info.
584 (sim_stop): Delete, replace with sim-stop.
585 (sim_stop_reason): Delete, replace with sim-reason.
586
587 * sim-main.h (WITH_WATCHPOINTS): Define.
588 (WITH_MODULO_MEMORY): Define
589
590 * Makefile.in (SIM_OBJS): Add sim-resume, sim-watch, sim-stop,
591 sim-reason.
592
593 * interp.c (enum interrupt_cond_type): Delete.
594 (struct interrupt_generator): Delete.
595 (enum interrupt_type): Drop int_none.
596 (sim_open): Initialize WATCHPOINT module.
597 (sim_resume, sim_run): Rename sim_resume to sim_run.
598 (sim_engine_run): Replace interrupt code with call to sim-events.
599 (sim_set_interrupt): Delete.
600 (sim_parse_number): Delete.
601
602Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
603
604 * configure: Regenerated to track ../common/aclocal.m4 changes.
605
606Thu Sep 4 18:11:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
607
608 * simops.c (fetch_argv): New function, fetch a arg vector from
609 simulator memory.
610
611 * configure.in: Check for fork, execve, execv.
612 * configure: Regenerate.
613
614 * interp.c (sim_store_register, sim_fetch_register): Use H2T_4 and
615 T2H_4 for byte swapping.
616
617 * sim-main.h, interp.c (get_word, get_half, get_byte, put_word,
618 put_half, put_byte): Delete.
619
620 * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
621
622 * sim-main.h (load_mem, store_mem): Redefine as macros.
623 (IMEM, IMEM_IMMED): New macros - fetch instructions.
624
625 * simops.c (OP_10007E0): For SYS_read, SYS_write, SYS_open
626 transfer data via a buffer.
627 (fetch_str): New function, fetch string from memory.
628
629 * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
630
631 * interp.c (sim_open): Establish memory maps using sim-memopt.c
632 via sim_do_command.
633 (sim_do_command): Print error if memory-map command is used. Call
634 sim_args_command.
635 (map): Delete, replaced by sim-core.
636 (sim_memory_init): Delete, replaced by sim-core.
637 (sim_set_memory_map): Delete, replaced by sim-memopt.
638 (load_mem): Delete, replaced by sim-core.
639 (store_mem): Delete, replaced by sim-core.
640 (sim_write): Delete, replaced by sim-hrw.
641 (sim_read): Delete, replaced by sim-hrw.
642
643 * sim-main.h (struct sim_state): Remove memory members, using
644 sim-core.c
645
646Wed Sep 3 10:18:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
647
648 * sim-main.h: Replace SIM_HAVE_FLATMEM with mem ptr.
649 * interp.c (map): Do not add to a void pointer.
650
651 * Makefile.in (INCLUDE): Add sim-main.h
652
653 * configure.in: Check for time.h
654 * configure: Re-generate.
655
656 * interp.c (struct interrupt_generator): Make time unsigned long,
657 address SIM_ADDR.
658 (sim_resume): Make oldpc SIM_ADDR.
659 (struct hash_entry): Make mask/opcode unsigned.
660
661 * v850_sim.h (struct simops ): Make opcode and mask unsigned.
662
663 * simops.c (utime.h): Include if available.
664 (OP_10007E0): Check for UTIME function.
665 (divun): Put parentheses around shift argument.
666 (OP_640): Put parentheses around shift argument, was wrong.
667 (OP_107F0): Return something.
668
669 * interp.c (sim_parse_number): Use strtoul not strtol.
670 (sim_resume): Use sim_elapsed_time_get to keep track of the time.
671
672 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
673 (SIM_AC_OPTION_ENDIAN): Set to hardwired big.
674 (SIM_AC_OPTION_HOST_ENDIAN): Add.
675 (AC_CHECK_FUNCS): Add utime.
676 (AC_CHECK_HEADERS): Add stdlib.h, string.h, strings.h, utime.h
677 configure: Regenerate.
678
679
680 * Makefile.in (SIM_RUN_OBJS): Use nrun.o.
681 (SIM_OBJS): Add sim-io.o, sim-hload.o, sim-utils.o, sim-options.o,
682 sim-config.o, sim-module.o, sim-events.o, sim-core.o,
683 sim-endian.o, sim-engine.o, sim-trace.o, sim-profile.o
684 (SIM_ENDIAN, SIM_WARNGINS): Define.
685
686 * simops.c (OP_10007E0): Use sim_io_* for transfers.
687
688 * interp.c (sim_resume): Pass sd around.
689
690 * simops.c (sim-main.h): Include.
691
692 * gencode.c (write_template): Generate #include sim-main.h.
693 (write_opcodes): Ditto.
694
695 * interp.c (prog_bfd, prog_bfd_was_opened_p): Delete.
696 (v850_callback): Ditto.
697 (sim_kind, myname): Ditto.
698 (lookup_hash): Pass SD. Use sim_io_error.
699 (sim_set_memory_map): Pass in SD, use.
700 (init_system): Pass in SD, use.
701 (sim_open): Update.
702 (sim_set_profile): Delete.
703 (sim_set_profile_size): Delete.
704 (do_interrupt): Pass in SD, use.
705 (sim_info): Use sim_io_printf.
706 (sim_create_inferior): Reset registers. Set PC from prog_bfd
707 argument.
708 (sim_load): Delete, use common/sim-hload.c
709 (sim_size): Rename to sim_memory_init.
710 (sim_write): Remove call to init_system.
711 (init_system): Delete.
712 (sim_set_callbacks): Delete.
713 (sim_set_interrupt): Pass in SD, use.
714 (start_time): Delete.
715
716 * v850_sim.h: Remove everything except `struct simops' from here.
717 * sim-main.h: Move most to here.
718 * gencode.c: Move #includes to here.
719
720 * sim-main.h(struct _sim_cpu): Rename struct _state.
721 (#define PC, et.al.): Update
722 (v850_callback): Delete. Replaced with SIM_DESC arg.
723 (int8, uint8, int16, uint16, int32, uint32): Define types using
724 unsigned8 et.al from common/sim-types.h.
725 * sim-main.h (State): Define as STATE_CPU.
726
727Mon Sep 1 12:07:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
728
729 * configure.in: Check for time, chmod.
730 * configure: Regenerate.
731 * simops.c (SYS_time, SYS_chmod): Use HAVE_TIME, HAVE_CHMOD.
732
733 * simops.c (../../libgloss/v850/sys/syscall.h): Include instead of
734 sys/syscall.h.
735 (OP_10007E0): Check the existance each SYS_* macro independantly.
736
737 * v850_sim.h (SIGQUIT, SIGTRAP): Only define if missing.
738
739Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
740
741 * configure: Regenerated to track ../common/aclocal.m4 changes.
742 * config.in: Ditto.
743
744Tue Aug 26 10:42:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
745
746 * interp.c (sim_kill): Delete.
747 (sim_create_inferior): Add ABFD argument.
748 (sim_load): Move setting of PC from here.
749 (sim_create_inferior): To here.
750
751Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
752
753 * configure: Regenerated to track ../common/aclocal.m4 changes.
754 * config.in: Ditto.
755
756Mon Aug 25 11:31:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
757
758 * interp.c (sim_open): Add ABFD argument.
759
760Fri Aug 22 10:39:28 1997 Nick Clifton <nickc@cygnus.com>
761
762 * simops.c (bsh): Only set CY flag if either of the bottom
763 bytes is zero.
764
765 * simops.c (prepare, dispose): Lower numbered
766 registers go to higher numbered address.
767
768 * simops.c (unsigned divide instructions): S bit set if result has
769 top bit set.
770
771 * simops.c (pushml, pushmh, popml, popmh): Lower numbered
772 registers go to higher numbered address.
773
774Wed Aug 20 13:56:35 1997 Nick Clifton <nickc@cygnus.com>
775
776 * simops.c (OP_107E0, OP_107F0, OP_307E0, OP_307F0): Use correct
777 interpretation of SR bit in list18 structure.
778 (divn, divun): New functions to perform N step divide functions.
779
780Mon Aug 18 10:59:02 1997 Nick Clifton <nickc@cygnus.com>
781
782 * simops.c (OP_300, OP_400, OP_60, OP_70): Support variant opcodes
783 with US bit set in the PSW.
784
785Wed Aug 13 19:06:55 1997 Nick Clifton <nickc@cygnus.com>
786
787 * interp.c (sim_resume): Opcode functions return amount to be
788 added to PC and all opcodes take a standard format in the OP[]
789 array.
790
791 (do_format_*): Functions removed.
792
793 * v850_sim.h (SP, EP): New register mnemonics.
794
795 * gencode.c (write_header): Functions prototypes return an
796 integer.
797
798 * simops.c: Opcode functions return amount to be added to PC.
799
800 * v850_sim.h (CTPC, CTPSW, CTBP): New register mnemonics.
801
802 * simops.c: Add support for v850e instructions.
803
804 * simops.c: Add support for v850eq instructions.
805
806Tue May 20 10:24:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
807
808 * interp.c (sim_open): Add callback argument.
809 (sim_set_callbacks): Delete SIM_DESC argument.
810
811Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
812
813 * configure: Regenerated to track ../common/aclocal.m4 changes.
814
815Wed Apr 23 17:20:16 1997 Doug Evans <dje@canuck.cygnus.com>
816
817 * interp.c (prog_bfd_was_opened_p): New static local.
818 (prog_bfd): New global variable.
819 (sim_open): Undo patch to add -E support.
820 (sim_close): Close prog_bfd if sim_load opened it.
821 (sim_load): Record bfd of loaded file in prog_bfd.
822 * simops.c (prog_bfd): Renamed from exec_bfd.
823
824Fri Apr 18 14:17:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
825
826 * interp.c (sim_stop): Stub function.
827
828Thu Apr 17 03:53:18 1997 Doug Evans <dje@canuck.cygnus.com>
829
830 * Makefile.in (SIM_OBJS): Add sim-load.o.
831 * interp.c (sim_kind, myname): New static locals.
832 (sim_open): Set sim_kind, myname. Ignore -E arg.
833 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
834 load file into simulator. Set start address from bfd.
835 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
836
837Wed Apr 16 19:53:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
838
839 * simops.c (OP_10007E0): Only provide system calls SYS_execv,
840 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
841
842Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
843
844 * configure: Regenerated to track ../common/aclocal.m4 changes.
845 * config.in: Ditto.
846
847Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
848
849 * interp.c (sim_open): New arg `kind'.
850
851 * configure: Regenerated to track ../common/aclocal.m4 changes.
852
853Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
854
855 * configure: Regenerated to track ../common/aclocal.m4 changes.
856
857Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
858
859 * configure: Regenerated to track ../common/aclocal.m4 changes.
860
861Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
862
863 * configure: Re-generate.
864
865Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
866
867 * configure: Regenerate to track ../common/aclocal.m4 changes.
868
869Thu Mar 13 13:00:54 1997 Doug Evans <dje@canuck.cygnus.com>
870
871 * interp.c (sim_open): New SIM_DESC result. Argument is now
872 in argv form.
873 (other sim_*): New SIM_DESC argument.
874
875Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
876
877 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
878 COMMON_{PRE,POST}_CONFIG_FRAG instead.
879 * configure.in: sinclude ../common/aclocal.m4.
880 * configure: Regenerated.
881
882Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
883
884 * configure configure.in Makefile.in: Update to new configure
885 scheme which is more compatible with WinGDB builds.
886 * configure.in: Improve comment on how to run autoconf.
887 * configure: Re-run autoconf to get new ../common/aclocal.m4.
888 * Makefile.in: Use autoconf substitution to install common
889 makefile fragment.
890
891Mon Jan 20 16:05:34 1997 Michael Meissner <meissner@tiktok.cygnus.com>
892
893 * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
894 not zero extend.
895
896Tue Jan 14 17:06:03 1997 Stu Grossman (grossman@critters.cygnus.com)
897
898 * simops.c: Put ifdefs around things to make MSVC happy. Get rid
899 of unistd.h. Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
900 SYS_gettimeofday and SYS_utime from MSVC.
901
902Tue Dec 31 18:11:13 1996 Michael Meissner <meissner@tiktok.cygnus.com>
903
904 * simops.c (OP_10007E0): Know that kill encodes the signal number
905 via: 0xdead0000 | signal and turn it back into a signal.
906
907Fri Dec 27 14:44:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
908
909 * v850_sim.h (SIG_V850_EXIT): Define as -1.
910
911 * interp.c (sim_open): Cast calloc function.
912 (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
913 program exited with the appropriate exit code.
914 (sim_set_interrupt): Declare buildargv.
915
916 * simops.c (OP_10007E0): Make exit signal normal exit. Make time
917 type correct and work on big endian systems.
918
919Wed Nov 20 02:18:44 1996 Doug Evans <dje@canuck.cygnus.com>
920
921 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
922 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
923 * configure.in: Simplify using macros in ../common/aclocal.m4.
924 Call AC_CHECK_HEADERS(unistd.h).
925 * configure: Regenerated.
926 * config.in: New file.
927 * simops.c: #include "config.h". #include <unistd.h> if present.
928
929Sun Nov 3 23:02:54 1996 Stan Shebs <shebs@andros.cygnus.com>
930
931 * v850_sim.h (State): New slots dummy_mem, pending_nmi.
932 (EIPC, etc): New macros for system registers.
933 * simops.c, interp.c: Use everywhere.
934
935 * interp.c: Add support for interrupts issued by interrupt
936 generators, either PC- or time-based. Controlled by simulator
937 command "sim interrupt".
938
939 * interp.c: Add support for variable-size allocation of memory,
940 via simulator command "sim memory-map".
941 (map): Issue SIGSEGV for references to invalid memory regions.
942
943Thu Oct 31 14:44:10 1996 Gavin Koch <gavin@cygnus.com>
944
945 * simops.c: Include <sys/time.h> for struct timeval and
946 struct timezone.
947
948Wed Oct 30 08:49:10 1996 Jeffrey A Law (law@cygnus.com)
949
950 * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
951
952 * simops.c (OP_10007E0): Handle SYS_time.
953
954Tue Oct 29 14:22:55 1996 Jeffrey A Law (law@cygnus.com)
955
956 * simops.c: Include <sys/stat.h>.
957 (OP_10007E0): Handle SYS_stat.
958
959Thu Oct 24 12:26:35 1996 Jeffrey A Law (law@cygnus.com)
960
961 * simops.c (OP_10007E0): Don't declare errno.
962
963 * simops.c (OP_500): Mask off low bit in displacement
964 for sld.w.
965 (OP_501): Similarly.
966
967 * simops.c (OP_500): Fix displacement handling for sld.w.
968 (OP_501): Similarly for sst.w.
969
970 * simops.c (trace_input): Remove all references to SEXT7.
971 (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
972 is zero extended for sst/sld instructions.
973 * v850_sim.h (SEX7): Delete. It's no longer needed (and it
974 was incorrect anyway).
975
976Thu Oct 24 10:33:33 1996 Stu Grossman (grossman@critters.cygnus.com)
977
978 * Makefile.in: Get rid of srcroot. Set all INSTALL macros via
979 autoconf.
980 * gencode.c (write_opcodes): Pad operands field to account for
981 MSVC braindamage.
982 * simops.c: Include errno.h. Exclude SYS_chown, since MSVC
983 doesn't support it. (Why is this here in the first place?!?)
984 * v850_sim.h: Get rid of 64 bit defs. Also, get rid of #elif's.
985 Change number of operands in struct simops from 9 to 6. Define
986 SIGTRAP and SIGQUIT for MSVC.
987
988Tue Oct 15 16:19:51 1996 Stu Grossman (grossman@critters.cygnus.com)
989
990 * interp.c (MEM_SIZE): It's now bytes, not a power of 2.
991 * (map): Add support for external mem in the 1->2 meg range.
992 Also, abort() when memory access is way out of bounds. (Better to
993 die than to give wrong result. (This will be fixed later.))
994 * (sim_size): MEM_SIZE is now bytes, not shift factor.
995
996Tue Oct 1 15:53:24 1996 Gavin Koch <gavin@cygnus.com>
997
998 * simops.c (trace_input): Swapped order of operands for output
999 output of OP_IMM_REG. Changed the fetching of the operands for
1000 OP_LOAD32, and OP_STORE32 to work like op-function.
1001
1002Mon Sep 30 15:46:33 1996 Stu Grossman (grossman@critters.cygnus.com)
1003
1004 * interp.c: Move includes of remote-sim.h and callback.h to
1005 v850-sim.h.
1006 * (lookup_hash): Add PC to report of hash failure.
1007 * (map load_mem store_mem): New memory subsystem. Models V851
1008 memory system.
1009 * (sim_write sim_read): Use new memory subsystem.
1010 * (sim_resume): Don't load and save PC into EIPC anymore. Needed
1011 to make user-defined traps work right.
1012 * simops.c (OP_*): Use new memory subsystem.
1013 * (OP_14007E0 (reti)): Implement reti.
1014 * (OP_14996E0 (trap)): Implement user-defined traps. Move I/O to
1015 trap 31. Use new memory subsystem.
1016 * v850_sim.h: Prototypes for load_mem, store_mem and map. Use
1017 load_mem in RLW macro.
1018
1019Fri Sep 27 18:34:09 1996 Stu Grossman (grossman@critters.cygnus.com)
1020
1021 * gencode.c (write_opcodes): Output hex values for opcode mask
1022 and patterns.
1023 * interp.c (sim_resume): Save and restore PC from the appropriate
1024 register.
1025 * (sim_fetch_register sim_store_register): Fix byte-order problem
1026 with reading and writing registers.
1027 * simops.c (OP_FFFF): Implement pseudo-breakpoint insn.
1028
1029Fri Sep 27 17:42:37 1996 Jeffrey A Law (law@cygnus.com)
1030
1031 * simops.c (trace_input): Fix thinko.
1032
1033Wed Sep 18 09:54:12 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1034
1035 * simops.c (exec_bfd): Rename from sim_bfd.
1036 (trace_input): Ditto.
1037
1038Thu Sep 12 12:03:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1039
1040 * simops.c (trace_input): Use find_nearest_line to print line
1041 number, function name or file name of PC.
1042
1043Wed Sep 11 16:44:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1044
1045 * simops.c: Add tracing support. Use SEXTxx macros instead of
1046 doing hardwired shifts.
1047
1048 * configure.in (--enable-sim-cflags): Add switch to add additional
1049 flags to simulator buld. If --enable-sim-cflags=trace, turn on
1050 tracing.
1051 * configure: Regenerate.
1052
1053 * Makefile.in: Don't require a VPATH capable make if configuring
1054 in the same directory. Don't use CFLAGS for configuration flags.
1055 Add flags from --enable-sim-cflags. Support canadian cross
1056 builds. Rebuild whole simulator if include files change.
1057
1058 * interp.c (v850_debug): New global for debugging.
1059 (lookup_hash,sim_size,sim_set_profile): Use
1060 printf_filtered callback, instead of calling printf directly.
1061 (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
1062
1063 * v850_sim.h: Use limits.h to set the various sized types.
1064 (SEXT{5,7,16,22}): New macros.
1065
1066Mon Sep 9 20:50:46 1996 Jeffrey A Law (law@cygnus.com)
1067
1068 * interp.c (hash): Make this an inline function
1069 when compiling with GCC. Simplify.
1070 * simpos.c: Explicitly include "sys/syscall.h". Remove
1071 some #if 0'd code. Enable more emulated syscalls.
1072
1073Wed Sep 4 01:48:55 1996 Jeffrey A Law (law@cygnus.com)
1074
1075 * interp.c: Fix sign bit handling for add and sub instructions.
1076
1077Tue Sep 3 10:20:30 1996 Jeffrey A Law (law@cygnus.com)
1078
1079 * gencode.c: Fix various indention & style problems.
1080 Remove test code. Remove #if 0 code.
1081 * interp.c: Provide prototypes for all static functions.
1082 Fix minor indention problems.
1083 (sim_open, sim_resume): Remove unused variables.
1084 (sim_read): Return type is "int".
1085 * simops.c: Remove unused variables.
1086 (divh): Make result of divide-by-zero zero.
1087 (setf): Initialize result to keep compiler quiet.
1088 (sar instructions): These just clear the overflow bit.
1089 * v850_sim.h: Provide prototypes for put_byte, put_half
1090 and put_word.
1091
1092 * interp.c: OP should be an array of 32bit operands!
1093 (v850_callback): Declare.
1094 (do_format_5): Fix extraction of OP[0].
1095 (sim_size): Remove debugging printf.
1096 (sim_set_callbacks): Do something useful.
1097 (sim_stop_reason): Gross hacks to get c-torture running.
1098 * simops.c: Simplify code for computing targets of bCC
1099 insns. Invert 's' bit if 'ov' bit is set for some
1100 instructions. Fix 'cy' bit handling for numerous
1101 instructions. Make the simulator stop when a halt
1102 instruction is encountered. Very crude support for
1103 emulated syscalls (trap 0).
1104 * v850_sim.h: Include "callback.h" and declare
1105 v850_callback. Items in the operand array are 32bits.
1106
1107Sun Sep 1 22:35:35 1996 Jeffrey A Law (law@cygnus.com)
1108
1109 * interp.c (sim_resume): Fix code to check for a format 3
1110 opcode.
1111 * simops.c: bCC insns only argument is a constant, not a
1112 register value (duh...)
1113
1114Fri Aug 30 10:33:49 1996 Jeffrey A Law (law@cygnus.com)
1115
1116 * simops.c: Fix "not1" and "set1".
1117
1118 * simops.c: Don't forget to initialize temp for
1119 "ld.h" and "ld.w"
1120
1121 * interp.c: Remove various debugging printfs.
1122
1123 * simops.c: Fix satadd, satsub boundary case handling.
1124
1125 * interp.c (hash): Fix.
1126 * interp.c (do_format_8): Get operands correctly and
1127 call the target function.
1128 * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
1129
1130Thu Aug 29 13:53:29 1996 Jeffrey A Law (law@cygnus.com)
1131
1132 * interp.c (do_format_4): Get operands correctly and
1133 call the target function.
1134 * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
1135 "sst.h", and "sst.w".
1136
1137 * v850_sim.h: The V850 doesn't have split I&D spaces. Change
1138 accordingly. Remove many unused definitions.
1139 * interp.c: The V850 doesn't have split I&D spaces. Change
1140 accordingly.
1141 (get_longlong, get_longword, get_word): Deleted.
1142 (write_longlong, write_longword, write_word): Deleted.
1143 (get_operands): Deleted.
1144 (get_byte, get_half, get_word): New functions.
1145 (put_byte, put_half, put_word): New functions.
1146 * simops.c: Remove unused functions. Rough cut at
1147 "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
1148
1149 * v850_sim.h (struct _state): Remove "psw" field. Add
1150 "sregs" field.
1151 (PSW): Remove bogus definition.
1152 * simops.c: Change condition code handling to use the psw
1153 register within the sregs array. Handle "ldsr" and "stsr".
1154
1155 * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
1156
1157 * interp.c (do_format_5): Get operands correctly and
1158 call the target function.
1159 (sim_resume): Don't do a PC update for format 5 instructions.
1160 * simops.c: Handle "jarl" and "jmp" instructions.
1161
1162 * simops.c: Fix minor typos. Handle "cmp", "setf", "tst"
1163 "di", and "ei" instructions correctly.
1164
1165 * interp.c (do_format_3): Get operands correctly and call
1166 the target function.
1167 * simops.c: Handle bCC instructions.
1168
1169 * simops.c: Add condition code handling to shift insns.
1170 Fix minor typos in condition code handling for other insns.
1171
1172 * Makefile.in: Fix typo.
1173 * simops.c: Add condition code handling to "sub" "subr" and
1174 "divh" instructions.
1175
1176 * interp.c (hash): Update to be more accurate.
1177 (lookup_hash): Call hash rather than computing the hash
1178 code here.
1179 (do_format_1_2): Handle format 1 and format 2 instructions.
1180 Get operands correctly and call the target function.
1181 (do_format_6): Get operands correctly and call the target
1182 function.
1183 (do_formats_9_10): Rough cut so shift ops will work.
1184 (sim_resume): Tweak to deal with format 1 and format 2
1185 handling in a single funtion. Don't update the PC
1186 for format 3 insns. Fix typos.
1187 * simops.c: Slightly reorganize. Add condition code handling
1188 to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
1189 and "not" instructions.
1190 * v850_sim.h (reg_t): Registers are 32bits.
1191 (_state): The V850 has 32 general registers. Add a 32bit
1192 psw and pc register too. Add accessor macros
1193
1194 * Makefile.in, interp.c, v850_sim.h: Bring over endianness
1195 changes from the d10v simulator.
1196
1197 * simops.c: Add shift support.
1198
1199 * simops.c: Add multiply & divide support. Abort for system
1200 instructions.
1201
1202 * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
1203 and subr. No condition codes yet.
1204
1205Wed Aug 28 13:53:22 1996 Jeffrey A Law (law@cygnus.com)
1206
1207 * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
1208 gencode.c, interp.c, simops.c: Created.
1209
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