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[thirdparty/binutils-gdb.git] / sim / v850 / ChangeLog
1 2012-03-24 Mike Frysinger <vapier@gentoo.org>
2
3 * aclocal.m4, config.in, configure: Regenerate.
4
5 2011-12-03 Mike Frysinger <vapier@gentoo.org>
6
7 * aclocal.m4: New file.
8 * configure: Regenerate.
9
10 2011-10-17 Mike Frysinger <vapier@gentoo.org>
11
12 * configure.ac: Change include to common/acinclude.m4.
13
14 2011-10-17 Mike Frysinger <vapier@gentoo.org>
15
16 * configure.ac: Change AC_PREREQ to 2.64. Delete AC_CONFIG_HEADER
17 call. Replace common.m4 include with SIM_AC_COMMON.
18 * configure: Regenerate.
19
20 2011-07-05 Mike Frysinger <vapier@gentoo.org>
21
22 * interp.c (sim_do_command): Delete.
23
24 2011-03-21 Kevin Buettner <kevinb@redhat.com>
25
26 * simops (OP_10007E0): Update errno handling as most traps
27 do not invoke the host's functionality directly. Invoke
28 sim_io_stat() instead of stat() for implementing TARGET_SYS_stat.
29 Implement TARGET_SYS_fstat, TARGET_SYS_rename, and TARGET_SYS_unlink.
30
31 2011-02-14 Mike Frysinger <vapier@gentoo.org>
32
33 * simops.c (OP_10007E0): Change zfree to free.
34
35 2011-01-11 Andrew Burgess <aburgess@broadcom.com>
36
37 * interp.c (sim_store_register): Update return value to
38 match new API.
39
40 2010-03-30 Mike Frysinger <vapier@gentoo.org>
41
42 * interp.c (interrupt_names): Add const to pointer type.
43 (do_interrupt): Add const to interrupt_name.
44
45 2010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
46
47 * configure: Regenerate.
48
49 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
50
51 * config.in: Regenerate.
52 * configure: Likewise.
53
54 * configure: Regenerate.
55
56 2008-07-11 Hans-Peter Nilsson <hp@axis.com>
57
58 * configure: Regenerate to track ../common/common.m4 changes.
59 * config.in: Ditto.
60
61 2008-06-06 Vladimir Prus <vladimir@codesourcery.com>
62 Daniel Jacobowitz <dan@codesourcery.com>
63 Joseph Myers <joseph@codesourcery.com>
64
65 * configure: Regenerate.
66
67 2008-02-05 DJ Delorie <dj@redhat.com>
68
69 * simops.c (OP_1C007E0): Compensate for 64 bit hosts.
70 (OP_18007E0): Likewise.
71 (OP_2C007E0): Likewise.
72 (OP_28007E0): Likewise.
73 * v850.igen (divh): Likewise.
74
75 * simops.c (OP_C0): Correct saturation logic.
76 (OP_220): Likewise.
77 (OP_A0): Likewise.
78 (OP_660): Likewise.
79 (OP_80): Likewise.
80
81 * simops.c (OP_2A0): If the shift count is zero, clear the
82 carry.
83 (OP_A007E0): Likewise.
84 (OP_2C0): Likewise.
85 (OP_C007E0): Likewise.
86 (OP_280): Likewise.
87 (OP_8007E0): Likewise.
88
89 * simops.c (OP_2C207E0): Correct PSW flags for special divu
90 conditions.
91 (OP_2C007E0): Likewise, for div.
92 (OP_28207E0): Likewise, for divhu.
93 (OP_28007E0): Likewise, for divh. Also, sign-extend the correct
94 operand.
95 * v850.igen (divh): Likewise, for 2-op divh.
96
97 * v850.igen (bsh): Fix carry logic.
98
99 2007-02-20 Daniel Jacobowitz <dan@codesourcery.com>
100
101 * Makefile.in (interp.o): Uncomment and update.
102
103 2006-12-21 Hans-Peter Nilsson <hp@axis.com>
104
105 * acconfig.h: Remove.
106 * config.in: Regenerate.
107
108 2006-06-13 Richard Earnshaw <rearnsha@arm.com>
109
110 * configure: Regenerated.
111
112 2006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
113
114 * configure: Regenerated.
115
116 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
117
118 * configure: Regenerated.
119
120 2005-03-23 Mark Kettenis <kettenis@gnu.org>
121
122 * configure: Regenerate.
123
124 2005-01-14 Andrew Cagney <cagney@gnu.org>
125
126 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
127 explicit call to AC_CONFIG_HEADER.
128 * configure: Regenerate.
129
130 2005-01-12 Andrew Cagney <cagney@gnu.org>
131
132 * configure.ac: Update to use ../common/common.m4.
133 * configure: Re-generate.
134
135 2005-01-11 Andrew Cagney <cagney@localhost.localdomain>
136
137 * configure: Regenerated to track ../common/aclocal.m4 changes.
138
139 2005-01-07 Andrew Cagney <cagney@gnu.org>
140
141 * configure.ac: Rename configure.in, require autoconf 2.59.
142 * configure: Re-generate.
143
144 2004-12-08 Hans-Peter Nilsson <hp@axis.com>
145
146 * configure: Regenerate for ../common/aclocal.m4 update.
147
148 2004-01-18 Mark Kettenis <kettenis@gnu.org>
149
150 * simops.c: Include <sys/types.h>.
151
152 2003-09-05 Andrew Cagney <cagney@redhat.com>
153 Nick Clifton <nickc@redhat.com>
154
155 * interp.c (sim_open): Accept bfd_mach_v850e1.
156 * v850-dc: Add entry for v850e1.
157 * v850.igen: Add support for v850e1.
158 Add code for DBTRAP and DBRET instructions.
159 (dbtrap): Create a separate v850e1 specific instruction.
160 Only generate a trap if the target is not the v850e1.
161 Otherwise treat it as a special kind of branch.
162 (break): Mark as v850/v850e specific.
163
164 2003-05-16 Ian Lance Taylor <ian@airs.com>
165
166 * Makefile.in (SHELL): Make sure this is defined.
167 (tmp-igen): Use $(SHELL) whenever we invoke move-if-change.
168
169 2003-04-06 Nick Clifton <nickc@redhat.com>
170
171 * simops.c (OP_40): Delete. Move code to...
172 * v850-igen.c (): ...Here. Sign extend the first operand.
173 * simops.h (OP_40): Remove prototype.
174
175 2003-02-27 Andrew Cagney <cagney@redhat.com>
176
177 * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
178
179 2002-11-30 Andrew Cagney <cagney@redhat.com>
180
181 * simops.c: Use int, 1, 0 instead of boolean, true and false.
182 * sim-main.h: Ditto.
183
184 2002-09-27 Jim Wilson <wilson@redhat.com>
185
186 * simops.c (OP_E6077E0): And op1 with 7 after reading register, not
187 before.
188 (BIT_CHANGE_OP): Likewise.
189
190 2002-09-26 Jim Wilson <wilson@redhat.com>
191
192 * simops (OP_10007E0): Don't subtract 4 from PC.
193
194 2002-09-19 Nick Clifton <nickc@redhat.com>
195
196 * interp.c (sim_open): Remove reference to v850ea.
197 (sim_create_inferior): Likewise.
198 * v850-dc: Likewise.
199 * v850.igen: Remove all references to v850ea, including v850ea
200 specific instructions.
201
202 2002-08-29 Nick Clifton <nickc@redhat.com>
203
204 From 2001-08-23 Catherine Moore <clm@redhat.com>
205
206 * Makefile.in: Add gen-zero-r0 option.
207 * sim-main.h (GPR_SET, GPR_CLEAR): Define.
208 * simops.c (OP_24007E0): Sign extend the imm9
209 operand of a mul instruction.
210
211 2002-06-17 Andrew Cagney <cagney@redhat.com>
212
213 * simops.c (trace_result): Fix printf formatting.
214
215 2002-06-16 Andrew Cagney <ac131313@redhat.com>
216
217 * configure: Regenerated to track ../common/aclocal.m4 changes.
218
219 2001-12-02 Andrew Cagney <ac131313@redhat.com>
220
221 * Makefile.in (simops.h, table.c): Delete targets.
222 (tmp-gencode, gencode.o, gencode): Delete targets.
223 (simops.h): New file.
224 ($(BUILT_SRC_FROM_IGEN)): Do not depend on simops.h.
225 * gencode.c: Delete file.
226
227 2001-04-15 J.T. Conklin <jtc@redback.com>
228
229 * Makefile.in (simops.o): Add simops.h to dependency list.
230
231 2001-03-14 Andrew Cagney <ac131313@redhat.com>
232
233 * Makefile.in (gencode): Link with libintl.
234
235 2001-01-31 Jonathan Larmour <jlarmour@redhat.com>
236
237 * Makefile.in (gencode): Link with libopcodes in build tree rather
238 than building source files from there.
239
240 2000-05-30 Nick Clifton <nickc@cygnus.com>
241
242 * v850.igen: Remove illegal instruction pattern, since it is the
243 same as the breakpoint pattern.
244
245 Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
246
247 * configure: Regenerated to track ../common/aclocal.m4 changes.
248
249 2000-04-14 Gary Thomas <gthomas@redhat.com>
250
251 * v850.igen: Define 'br *' as illegal since this is the only
252 way to provide a breakpoint on some v850 family processors.
253
254 2000-03-24 Frank Ch. Eigler <fche@redhat.com>
255
256 * v850.igen (ilgop): New insn pattern for four-byte breakpoints.
257
258 Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
259
260 * configure: Regenerated to track ../common/aclocal.m4 changes.
261
262 1999-05-08 Felix Lee <flee@cygnus.com>
263
264 * configure: Regenerated to track ../common/aclocal.m4 changes.
265
266 Tue Dec 1 17:25:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
267
268 * Makefile.in (NL_TARGET): Define as -DNL_TARGET_v850.
269
270 Wed Nov 25 17:52:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
271
272 * Makefile.in (simops.o): Depends on targ-vals.h
273 * simops.c: Include targ-vals.h instead of
274 libgloss/.../syscall.h. Replace SYS_* with TARGET_SYS_*.
275 (divn, divun, OP_1C007E0, OP_18207E0, OP_1C207E0,OP_18007E0):
276 Replace signed long int with signed32.
277
278 Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
279
280 * interp.c: #include "itable.h".
281 (get_insn_name): New function.
282 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
283 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
284
285 Wed May 6 19:43:27 1998 Doug Evans <devans@canuck.cygnus.com>
286
287 * sim-main.h (INSN_NAME): New arg `cpu'.
288
289 Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
290
291 * configure: Regenerated to track ../common/aclocal.m4 changes.
292
293 Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
294
295 * configure: Regenerated to track ../common/aclocal.m4 changes.
296 * config.in: Ditto.
297
298 Sun Apr 26 15:19:14 1998 Tom Tromey <tromey@cygnus.com>
299
300 * acconfig.h: New file.
301 * configure.in: Reverted change of Apr 24; use sinclude again.
302
303 Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
304
305 * configure: Regenerated to track ../common/aclocal.m4 changes.
306 * config.in: Ditto.
307
308 Fri Apr 24 11:18:08 1998 Tom Tromey <tromey@cygnus.com>
309
310 * configure.in: Don't call sinclude.
311
312 Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
313
314 * configure: Regenerated to track ../common/aclocal.m4 changes.
315 * sim-main.h (SIM_MAIN_H): Wrap header.
316
317 Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
318
319 * configure: Regenerated to track ../common/aclocal.m4 changes.
320
321 Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
322
323 * configure: Regenerated to track ../common/aclocal.m4 changes.
324
325 Tue Mar 10 15:54:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
326
327 * interp.c (sim_stop): Delete, second attempt.
328
329 Thu Feb 26 19:09:47 1998 Andrew Cagney <cagney@b1.cygnus.com>
330
331 * interp.c (sim_info): Delete.
332
333 Wed Feb 18 10:47:32 1998 Andrew Cagney <cagney@b1.cygnus.com>
334
335 * sim-main.h (TRACE_ALU_INPUT*): Delete. Moved to sim-trace.[hc].
336
337 * simops.c (trace_result): Call trace_generic instead of
338 trace_one_insn.
339 (trace_module): Change variable type to integer.
340 (trace_input): Initialize trace_module with TRACE_ALU_IDX.
341
342 * sim-main.h (trace_module): Change variable decl to integer type.
343 (TRACE_BRANCH*, TRACE_LD, TRACE_ST): Update.
344
345 Tue Feb 17 12:51:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
346
347 * interp.c (sim_store_register, sim_fetch_register): Pass in
348 length parameter. Return -1.
349
350 Tue Feb 3 16:24:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
351
352 * sim-main.h (IMEM16, IMEM16_IMMED): Rename IMEM and
353 IMEM_IMMED. To match recent igen change.
354
355 Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
356
357 * configure: Regenerated to track ../common/aclocal.m4 changes.
358
359 Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
360
361 * configure: Regenerated to track ../common/aclocal.m4 changes.
362
363 Fri Jan 30 09:51:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
364
365 * sim-main.h (CPU_CIA): Delete, replaced by.
366 (CIA_SET, CIA_SET): Define.
367
368 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
369
370 * configure: Regenerated to track ../common/aclocal.m4 changes.
371
372 Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
373
374 * configure: Regenerated to track ../common/aclocal.m4 changes.
375 * config.in: Ditto.
376
377 Fri Dec 5 09:26:08 1997 Nick Clifton <nickc@cygnus.com>
378
379 * v850.igen: Revert break value back to its old value.
380
381 Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
382
383 * configure: Regenerated to track ../common/aclocal.m4 changes.
384
385 Wed Dec 3 17:27:19 1997 Nick Clifton <nickc@cygnus.com>
386
387 * v850.igen: Make break have a zero first field, since otherwise
388 it clashes with the DIVH instruction.
389
390 Sat Nov 22 21:32:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
391
392 * simops.c (OP_10007E0): Rename SIGABRT -> SIM_SIGABRT. Give
393 sim_stopped instead of sim_signalled.
394
395 * v850.igen (BREAK), simops.c (OP_12007E0): Rename SIGTRAP to
396 SIM_SIGTRAP.
397 (illegal): Rename SIGILL to SIM_SIGILL.
398
399 * sim-main.h, simops.c, interp.c: Do not include signal.h.
400
401 * sim-main.h: Include sim-signal.h instead of signal.h.
402 (SIGTRAP, SIGQUIT): Delete definition.
403 (SIG_V850_EXIT): Delete definition.
404
405 Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
406
407 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
408
409 Fri Oct 31 10:33:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
410
411 * interp.c (sim_open): Check state magic number.
412 (sim-assert.h): Include.
413
414 Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
415
416 * v850.igen: Add model filter field to records.
417
418 Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
419
420 * configure: Regenerated to track ../common/aclocal.m4 changes.
421
422 Fri Sep 26 11:56:02 1997 Felix Lee <flee@cygnus.com>
423
424 * sim-main.h: delete null override of SIM_ENGINE_HALT_HOOK and
425 SIM_ENGINE_RESTART_HOOK.
426
427 Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
428
429 * configure: Regenerated to track ../common/aclocal.m4 changes.
430
431 Wed Sep 24 17:28:26 1997 Andrew Cagney <cagney@b1.cygnus.com>
432
433 * sim-main.h (WITH_TARGET_WORD_MSB): Delete.
434
435 * configure.in (SIM_AC_OPTION_BITSIZE): Specify 32 bit
436 architecture with MSB == 31.
437
438 Wed Sep 24 14:04:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
439
440 * v850.igen: Make divh insn with RRRRR==0 breakpoint.
441
442 Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
443
444 * configure: Regenerated to track ../common/aclocal.m4 changes.
445
446 Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
447
448 * Makefile.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
449 SIM_HOSTENDIAN, SIM_RESERVED_BITS): Delete, moved to common.
450 (SIM_EXTRA_CFLAGS): Update.
451
452 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
453
454 * configure: Regenerated to track ../common/aclocal.m4 changes.
455 * configure.in: Really specify NONSTRICT_ALIGNMENT as the default.
456
457 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
458
459 * configure.in: Specify NONSTRICT_ALIGNMENT as the default.
460 * configure: Regenerated to track ../common/aclocal.m4 changes.
461
462 Fri Sep 19 10:37:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
463
464 * v850.igen (disp16): Use EXTEND16 to sign extend disp.
465 (disp22): Only shift left by 1, not 2.
466 ("jmp"): Ensure PC is 2 byte aligned.
467
468 * simops.c, v850.igen: Move "Bcond", "jr", "jarl" code to
469 v850.igen. Fix tracing.
470
471 * simops.c (OP_300, OP_400, OP_500): Move "sdl.b", "sld.h",
472 "sld.w" insns to v850.igen. Fix tracing.
473 (OP_70): Ditto for "sld.hu".
474
475 * v850.igen: Clarify tracing of "sld.b", "sld.h" et.al.
476
477 * simops.c (condition_met): Make global.
478
479 * sim-main.h (TRACE_ALU_INPUT3, TRACE_BRANCH0, TRACE_LD,
480 TRACE_ST): Define.
481 (TRACE_LD_NAME): Define.
482
483 * simops.c: Move "cmov", "cmov imm" to v850.igen, fix.
484
485 Wed Sep 17 16:21:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
486
487 * simops.c: Move "mov", "reti", to v850.igen, fix tracing.
488
489 * interp.c (hash): Delete.
490
491 * v850.igen (nop): Really do nothing.
492
493 * interp.c (do_interrupt): Mask interrupts after PSW is saved, not
494 before.
495 * v850.igen (reti): Return to current PC not previous.
496
497 Wed Sep 17 14:02:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
498
499 * simops.c: Move "ctret", "bsw", "hsw" to v850.igen, fix tracing.
500 (trace_module): Global, save component/module name across insn.
501
502 * simops.c: Move "bsh" to v850.igen, fix.
503
504 * v850.igen (callt): Load correct number of bytes. Fix tracing.
505 (stsr, ldsr): Correct src, dest fields. Fix tracing.
506 (ctret): Force alignment. Fix tracing.
507
508 Tue Sep 16 22:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
509
510 * simops.c (trace_output): Add result argument.
511 (trace_result): New function. Simpler version of trace_output,
512 assumes trace needed.
513 (trace_output): Call trace_result.
514 (trace_output): For IMM_REG_REG, trace correct register.
515 (trace_input): Add case for 16bit immediates.
516 (OP_600, OP_640, OP_680, OP_6C0, OP_6A0): Use.
517
518 * sim-main.h (TRACE_ALU_INPUT, TRACE_ALU_RESULT): Define.
519 (trace_values, trace_name, trace_pc, trace_num_values): Make
520 global.
521 (GR, SR): Define.
522
523 v850.insn (movea, stsr): Use.
524 (sxb, sxh, zxb, zxh): Ditto.
525
526 Tue Sep 16 21:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
527
528 * simops.c: Move "movea" from here.
529 * v850.igen: To here.
530
531 * v850.igen (simm16): Define, sign extend imm16.
532 (uimm16): Define, no sign extension.
533 (addi, andi, movea, movhi, mulhi, ori, satsubi, xori): Use.
534
535 * simops.c: Move "sxh", "switch", "sxb", "callt", "dispose",
536 "mov32" from here.
537 * v850.igen: To here.
538 (switch): Fix off by two error in NIA calc.
539
540 Tue Sep 16 15:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
541
542 * simops.c (trace_pc, trace_name, trace_values, trace_num_values):
543 New static globals.
544 (trace_input): Just save pc, name and values for trace_output.
545 (trace_output): Write trace values to a buffer. Use
546 trace_one_insn to print trace info and buffer.
547 (SIZE_OPERANDS, SIZE_LOCATION): Delete.
548
549 Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
550
551 * sim-main.h (struct _sim_cpu): Add psw_mask so that reserved bits
552 can be masked out.
553
554 * simops.c (OP_2007E0, OP_4007E0): Move "ldsr", "stsr"
555 instructions from here.
556 * v850.igen (ldsr, stsr): To here. Mask out reserved bits when
557 setting PSW.
558
559 * interp.c (sim_open): Set psw_mask if machine known.
560
561 Tue Sep 16 10:20:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
562
563 * v850-dc: Add rule to diferentiate between breakpoint and divh.
564 * v850.igen (break): New instruction, breakpoint simulator.
565 * v850.igen (breakpoint): Enable. Change to a 32bit instruction.
566
567 Mon Sep 15 18:44:05 1997 Jim Wilson <wilson@cygnus.com>
568
569 * simops.c (Multiply64): Don't store into register zero.
570
571 Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
572
573 * Makefile.in (semantics.o): Add dependency.
574
575 * sim-main.h (SAVE_1, SAVE_2): Perform backward compatible save,
576 do not adjust CIA/NIA.
577
578 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
579
580 * simops.c (OP_300, OP_400, OP_70): Make behavour depend on PSW[US].
581
582 * simops.c: Move "divun", "sld.bu", "divhn", "divhun", "divn",
583 "divun", "pushml" code from here to v850.igen.
584 (divun): Make global.
585 (type3_regs): Make global
586
587 * v850.igen: Move simops.c code to here.
588
589 * interp.c (sim_create_inferior): For v850eq set US bit by
590 default.
591
592 * interp.c (sim_open): Don't set arch, now set by
593 sim_analyze_program.
594
595 * configure: Regenerated to track ../common/aclocal.m4 changes.
596
597 Mon Sep 15 14:39:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
598
599 * simops.c (op_types): Move from here.
600 sim-main.h: To here.
601
602 * sim-main.h (trace_input, trace_output), simops.c: Make global.
603
604 * simops.c (OP_60): Move "jmp" code from here.
605 * v850.igen (jmp): To here.
606
607 * simops.c (OP_60): Move "sld.bu" code from here.
608 * v850.igen (sld.bu): To here.
609
610 Fri Sep 12 15:11:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
611
612 * v850.igen (prepare, ...): Add to v850eq architecture.
613
614 * interp.c (sim_open): Default to v850eq.
615
616 * interp.c (sim_open): Default to v850e.
617 * sim-main.h (signal.h): Include.
618
619 * v850.igen (illegal): Report/halt illegal instructions.
620
621 * Makefile.in (SIM_EXTRA_CFLAGS): Add SIM_RESERVED_BITS.
622
623 * configure.in: Add reserved bits option.
624 * configure: Regenerate.
625
626 Thu Sep 11 08:40:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
627
628 * interp.c (sim_open): Use sim_do_commandf instead of asprintf.
629
630 * sim-main.h (INSN_NAME):
631
632 * Makefile.in (INCLUDE): Add SIM_EXTRA_DEPS.
633 (SIM_EXTRA_DEPS): Add itable.h
634 (tmp-gencode): Does not depend on simops.h
635
636 * sim-main.h (itable.h): Include.
637 (MAX_INSNS, INSN_NAME): Define.
638
639 * interp.c: Compute inttype from the interrupt_names index that
640 was passed in.
641
642 Wed Sep 10 10:25:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
643
644 * simops.c (trace_input): Use trace_printf instead of
645 sim_io_printf.
646 (trace_output): Ditto.
647 (trace_input): Only trace when TRACE_ALU_P. Delete code
648 disasembling instruction.
649 (trace_output): Only trace when TRACE_ALU_P.
650
651 Tue Sep 9 01:29:50 1997 Andrew Cagney <cagney@b1.cygnus.com>
652
653 * simops.c (trace_input, trace_output): Use sim_io_printf.
654 (OP_620): Pass correct argument to trace.
655 (OP_E607E0): Ditto.
656 (trace_input): Obtain prog_bfd, text_start et.al from simulator
657 struct.
658
659 Mon Sep 8 21:03:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
660
661 * v850.igen: New file.
662 * v850-dc: New file.
663
664 Mon Sep 8 18:33:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
665
666
667 * sim-main.h (SEXT16): Delete, use EXTEND16.
668 (SEXT8): Delete, use EXTEND8.
669 (SEXT32): Delete, used?
670 (SEXT40, SEXT44, SEXT64): Use UNSIGNED64 for constants, not ...LL.
671 (WITH_TARGET_WORD_MSB): Define as 31. v850 little bit endian.
672
673 * simops.c: Use EXTEND15 from sim-bits instead of SEXT16.
674
675 * sim-main.h (DEBUG_TRACE, DEBUG_VALUES, v850_debug): Delete,
676 replace with TRACE_INSN_P and TRACE_ALU_P.
677
678 * simops.c (trace_input, trace_output): Update.
679
680 * interp.c (sim_engine_run): Delete.
681 (lookup_hash): Delete.
682 (sim_open): Do not fill hash table.
683 (sim_trace): Delete.
684
685 Fri Sep 5 17:04:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
686
687 * simops.c (OP_FFFF): Use sim_engine_halt.
688 (OP_12007E0): Ditto.
689 (OP_10007E0): Ditto.
690
691 * sim-main.h (struct sim_cpu): Delete member exception. Using
692 sim-engine et.al.
693
694 * interp.c (sim_info): Do not do anything in sim-info.
695 (sim_stop): Delete, replace with sim-stop.
696 (sim_stop_reason): Delete, replace with sim-reason.
697
698 * sim-main.h (WITH_WATCHPOINTS): Define.
699 (WITH_MODULO_MEMORY): Define
700
701 * Makefile.in (SIM_OBJS): Add sim-resume, sim-watch, sim-stop,
702 sim-reason.
703
704 * interp.c (enum interrupt_cond_type): Delete.
705 (struct interrupt_generator): Delete.
706 (enum interrupt_type): Drop int_none.
707 (sim_open): Initialize WATCHPOINT module.
708 (sim_resume, sim_run): Rename sim_resume to sim_run.
709 (sim_engine_run): Replace interrupt code with call to sim-events.
710 (sim_set_interrupt): Delete.
711 (sim_parse_number): Delete.
712
713 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
714
715 * configure: Regenerated to track ../common/aclocal.m4 changes.
716
717 Thu Sep 4 18:11:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
718
719 * simops.c (fetch_argv): New function, fetch a arg vector from
720 simulator memory.
721
722 * configure.in: Check for fork, execve, execv.
723 * configure: Regenerate.
724
725 * interp.c (sim_store_register, sim_fetch_register): Use H2T_4 and
726 T2H_4 for byte swapping.
727
728 * sim-main.h, interp.c (get_word, get_half, get_byte, put_word,
729 put_half, put_byte): Delete.
730
731 * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
732
733 * sim-main.h (load_mem, store_mem): Redefine as macros.
734 (IMEM, IMEM_IMMED): New macros - fetch instructions.
735
736 * simops.c (OP_10007E0): For SYS_read, SYS_write, SYS_open
737 transfer data via a buffer.
738 (fetch_str): New function, fetch string from memory.
739
740 * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
741
742 * interp.c (sim_open): Establish memory maps using sim-memopt.c
743 via sim_do_command.
744 (sim_do_command): Print error if memory-map command is used. Call
745 sim_args_command.
746 (map): Delete, replaced by sim-core.
747 (sim_memory_init): Delete, replaced by sim-core.
748 (sim_set_memory_map): Delete, replaced by sim-memopt.
749 (load_mem): Delete, replaced by sim-core.
750 (store_mem): Delete, replaced by sim-core.
751 (sim_write): Delete, replaced by sim-hrw.
752 (sim_read): Delete, replaced by sim-hrw.
753
754 * sim-main.h (struct sim_state): Remove memory members, using
755 sim-core.c
756
757 Wed Sep 3 10:18:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
758
759 * sim-main.h: Replace SIM_HAVE_FLATMEM with mem ptr.
760 * interp.c (map): Do not add to a void pointer.
761
762 * Makefile.in (INCLUDE): Add sim-main.h
763
764 * configure.in: Check for time.h
765 * configure: Re-generate.
766
767 * interp.c (struct interrupt_generator): Make time unsigned long,
768 address SIM_ADDR.
769 (sim_resume): Make oldpc SIM_ADDR.
770 (struct hash_entry): Make mask/opcode unsigned.
771
772 * v850_sim.h (struct simops ): Make opcode and mask unsigned.
773
774 * simops.c (utime.h): Include if available.
775 (OP_10007E0): Check for UTIME function.
776 (divun): Put parentheses around shift argument.
777 (OP_640): Put parentheses around shift argument, was wrong.
778 (OP_107F0): Return something.
779
780 * interp.c (sim_parse_number): Use strtoul not strtol.
781 (sim_resume): Use sim_elapsed_time_get to keep track of the time.
782
783 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
784 (SIM_AC_OPTION_ENDIAN): Set to hardwired big.
785 (SIM_AC_OPTION_HOST_ENDIAN): Add.
786 (AC_CHECK_FUNCS): Add utime.
787 (AC_CHECK_HEADERS): Add stdlib.h, string.h, strings.h, utime.h
788 configure: Regenerate.
789
790
791 * Makefile.in (SIM_RUN_OBJS): Use nrun.o.
792 (SIM_OBJS): Add sim-io.o, sim-hload.o, sim-utils.o, sim-options.o,
793 sim-config.o, sim-module.o, sim-events.o, sim-core.o,
794 sim-endian.o, sim-engine.o, sim-trace.o, sim-profile.o
795 (SIM_ENDIAN, SIM_WARNGINS): Define.
796
797 * simops.c (OP_10007E0): Use sim_io_* for transfers.
798
799 * interp.c (sim_resume): Pass sd around.
800
801 * simops.c (sim-main.h): Include.
802
803 * gencode.c (write_template): Generate #include sim-main.h.
804 (write_opcodes): Ditto.
805
806 * interp.c (prog_bfd, prog_bfd_was_opened_p): Delete.
807 (v850_callback): Ditto.
808 (sim_kind, myname): Ditto.
809 (lookup_hash): Pass SD. Use sim_io_error.
810 (sim_set_memory_map): Pass in SD, use.
811 (init_system): Pass in SD, use.
812 (sim_open): Update.
813 (sim_set_profile): Delete.
814 (sim_set_profile_size): Delete.
815 (do_interrupt): Pass in SD, use.
816 (sim_info): Use sim_io_printf.
817 (sim_create_inferior): Reset registers. Set PC from prog_bfd
818 argument.
819 (sim_load): Delete, use common/sim-hload.c
820 (sim_size): Rename to sim_memory_init.
821 (sim_write): Remove call to init_system.
822 (init_system): Delete.
823 (sim_set_callbacks): Delete.
824 (sim_set_interrupt): Pass in SD, use.
825 (start_time): Delete.
826
827 * v850_sim.h: Remove everything except `struct simops' from here.
828 * sim-main.h: Move most to here.
829 * gencode.c: Move #includes to here.
830
831 * sim-main.h(struct _sim_cpu): Rename struct _state.
832 (#define PC, et.al.): Update
833 (v850_callback): Delete. Replaced with SIM_DESC arg.
834 (int8, uint8, int16, uint16, int32, uint32): Define types using
835 unsigned8 et.al from common/sim-types.h.
836 * sim-main.h (State): Define as STATE_CPU.
837
838 Mon Sep 1 12:07:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
839
840 * configure.in: Check for time, chmod.
841 * configure: Regenerate.
842 * simops.c (SYS_time, SYS_chmod): Use HAVE_TIME, HAVE_CHMOD.
843
844 * simops.c (../../libgloss/v850/sys/syscall.h): Include instead of
845 sys/syscall.h.
846 (OP_10007E0): Check the existance each SYS_* macro independantly.
847
848 * v850_sim.h (SIGQUIT, SIGTRAP): Only define if missing.
849
850 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
851
852 * configure: Regenerated to track ../common/aclocal.m4 changes.
853 * config.in: Ditto.
854
855 Tue Aug 26 10:42:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
856
857 * interp.c (sim_kill): Delete.
858 (sim_create_inferior): Add ABFD argument.
859 (sim_load): Move setting of PC from here.
860 (sim_create_inferior): To here.
861
862 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
863
864 * configure: Regenerated to track ../common/aclocal.m4 changes.
865 * config.in: Ditto.
866
867 Mon Aug 25 11:31:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
868
869 * interp.c (sim_open): Add ABFD argument.
870
871 Fri Aug 22 10:39:28 1997 Nick Clifton <nickc@cygnus.com>
872
873 * simops.c (bsh): Only set CY flag if either of the bottom
874 bytes is zero.
875
876 * simops.c (prepare, dispose): Lower numbered
877 registers go to higher numbered address.
878
879 * simops.c (unsigned divide instructions): S bit set if result has
880 top bit set.
881
882 * simops.c (pushml, pushmh, popml, popmh): Lower numbered
883 registers go to higher numbered address.
884
885 Wed Aug 20 13:56:35 1997 Nick Clifton <nickc@cygnus.com>
886
887 * simops.c (OP_107E0, OP_107F0, OP_307E0, OP_307F0): Use correct
888 interpretation of SR bit in list18 structure.
889 (divn, divun): New functions to perform N step divide functions.
890
891 Mon Aug 18 10:59:02 1997 Nick Clifton <nickc@cygnus.com>
892
893 * simops.c (OP_300, OP_400, OP_60, OP_70): Support variant opcodes
894 with US bit set in the PSW.
895
896 Wed Aug 13 19:06:55 1997 Nick Clifton <nickc@cygnus.com>
897
898 * interp.c (sim_resume): Opcode functions return amount to be
899 added to PC and all opcodes take a standard format in the OP[]
900 array.
901
902 (do_format_*): Functions removed.
903
904 * v850_sim.h (SP, EP): New register mnemonics.
905
906 * gencode.c (write_header): Functions prototypes return an
907 integer.
908
909 * simops.c: Opcode functions return amount to be added to PC.
910
911 * v850_sim.h (CTPC, CTPSW, CTBP): New register mnemonics.
912
913 * simops.c: Add support for v850e instructions.
914
915 * simops.c: Add support for v850eq instructions.
916
917 Tue May 20 10:24:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
918
919 * interp.c (sim_open): Add callback argument.
920 (sim_set_callbacks): Delete SIM_DESC argument.
921
922 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
923
924 * configure: Regenerated to track ../common/aclocal.m4 changes.
925
926 Wed Apr 23 17:20:16 1997 Doug Evans <dje@canuck.cygnus.com>
927
928 * interp.c (prog_bfd_was_opened_p): New static local.
929 (prog_bfd): New global variable.
930 (sim_open): Undo patch to add -E support.
931 (sim_close): Close prog_bfd if sim_load opened it.
932 (sim_load): Record bfd of loaded file in prog_bfd.
933 * simops.c (prog_bfd): Renamed from exec_bfd.
934
935 Fri Apr 18 14:17:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
936
937 * interp.c (sim_stop): Stub function.
938
939 Thu Apr 17 03:53:18 1997 Doug Evans <dje@canuck.cygnus.com>
940
941 * Makefile.in (SIM_OBJS): Add sim-load.o.
942 * interp.c (sim_kind, myname): New static locals.
943 (sim_open): Set sim_kind, myname. Ignore -E arg.
944 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
945 load file into simulator. Set start address from bfd.
946 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
947
948 Wed Apr 16 19:53:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
949
950 * simops.c (OP_10007E0): Only provide system calls SYS_execv,
951 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
952
953 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
954
955 * configure: Regenerated to track ../common/aclocal.m4 changes.
956 * config.in: Ditto.
957
958 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
959
960 * interp.c (sim_open): New arg `kind'.
961
962 * configure: Regenerated to track ../common/aclocal.m4 changes.
963
964 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
965
966 * configure: Regenerated to track ../common/aclocal.m4 changes.
967
968 Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
969
970 * configure: Regenerated to track ../common/aclocal.m4 changes.
971
972 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
973
974 * configure: Re-generate.
975
976 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
977
978 * configure: Regenerate to track ../common/aclocal.m4 changes.
979
980 Thu Mar 13 13:00:54 1997 Doug Evans <dje@canuck.cygnus.com>
981
982 * interp.c (sim_open): New SIM_DESC result. Argument is now
983 in argv form.
984 (other sim_*): New SIM_DESC argument.
985
986 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
987
988 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
989 COMMON_{PRE,POST}_CONFIG_FRAG instead.
990 * configure.in: sinclude ../common/aclocal.m4.
991 * configure: Regenerated.
992
993 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
994
995 * configure configure.in Makefile.in: Update to new configure
996 scheme which is more compatible with WinGDB builds.
997 * configure.in: Improve comment on how to run autoconf.
998 * configure: Re-run autoconf to get new ../common/aclocal.m4.
999 * Makefile.in: Use autoconf substitution to install common
1000 makefile fragment.
1001
1002 Mon Jan 20 16:05:34 1997 Michael Meissner <meissner@tiktok.cygnus.com>
1003
1004 * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
1005 not zero extend.
1006
1007 Tue Jan 14 17:06:03 1997 Stu Grossman (grossman@critters.cygnus.com)
1008
1009 * simops.c: Put ifdefs around things to make MSVC happy. Get rid
1010 of unistd.h. Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
1011 SYS_gettimeofday and SYS_utime from MSVC.
1012
1013 Tue Dec 31 18:11:13 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1014
1015 * simops.c (OP_10007E0): Know that kill encodes the signal number
1016 via: 0xdead0000 | signal and turn it back into a signal.
1017
1018 Fri Dec 27 14:44:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1019
1020 * v850_sim.h (SIG_V850_EXIT): Define as -1.
1021
1022 * interp.c (sim_open): Cast calloc function.
1023 (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
1024 program exited with the appropriate exit code.
1025 (sim_set_interrupt): Declare buildargv.
1026
1027 * simops.c (OP_10007E0): Make exit signal normal exit. Make time
1028 type correct and work on big endian systems.
1029
1030 Wed Nov 20 02:18:44 1996 Doug Evans <dje@canuck.cygnus.com>
1031
1032 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
1033 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
1034 * configure.in: Simplify using macros in ../common/aclocal.m4.
1035 Call AC_CHECK_HEADERS(unistd.h).
1036 * configure: Regenerated.
1037 * config.in: New file.
1038 * simops.c: #include "config.h". #include <unistd.h> if present.
1039
1040 Sun Nov 3 23:02:54 1996 Stan Shebs <shebs@andros.cygnus.com>
1041
1042 * v850_sim.h (State): New slots dummy_mem, pending_nmi.
1043 (EIPC, etc): New macros for system registers.
1044 * simops.c, interp.c: Use everywhere.
1045
1046 * interp.c: Add support for interrupts issued by interrupt
1047 generators, either PC- or time-based. Controlled by simulator
1048 command "sim interrupt".
1049
1050 * interp.c: Add support for variable-size allocation of memory,
1051 via simulator command "sim memory-map".
1052 (map): Issue SIGSEGV for references to invalid memory regions.
1053
1054 Thu Oct 31 14:44:10 1996 Gavin Koch <gavin@cygnus.com>
1055
1056 * simops.c: Include <sys/time.h> for struct timeval and
1057 struct timezone.
1058
1059 Wed Oct 30 08:49:10 1996 Jeffrey A Law (law@cygnus.com)
1060
1061 * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
1062
1063 * simops.c (OP_10007E0): Handle SYS_time.
1064
1065 Tue Oct 29 14:22:55 1996 Jeffrey A Law (law@cygnus.com)
1066
1067 * simops.c: Include <sys/stat.h>.
1068 (OP_10007E0): Handle SYS_stat.
1069
1070 Thu Oct 24 12:26:35 1996 Jeffrey A Law (law@cygnus.com)
1071
1072 * simops.c (OP_10007E0): Don't declare errno.
1073
1074 * simops.c (OP_500): Mask off low bit in displacement
1075 for sld.w.
1076 (OP_501): Similarly.
1077
1078 * simops.c (OP_500): Fix displacement handling for sld.w.
1079 (OP_501): Similarly for sst.w.
1080
1081 * simops.c (trace_input): Remove all references to SEXT7.
1082 (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
1083 is zero extended for sst/sld instructions.
1084 * v850_sim.h (SEX7): Delete. It's no longer needed (and it
1085 was incorrect anyway).
1086
1087 Thu Oct 24 10:33:33 1996 Stu Grossman (grossman@critters.cygnus.com)
1088
1089 * Makefile.in: Get rid of srcroot. Set all INSTALL macros via
1090 autoconf.
1091 * gencode.c (write_opcodes): Pad operands field to account for
1092 MSVC braindamage.
1093 * simops.c: Include errno.h. Exclude SYS_chown, since MSVC
1094 doesn't support it. (Why is this here in the first place?!?)
1095 * v850_sim.h: Get rid of 64 bit defs. Also, get rid of #elif's.
1096 Change number of operands in struct simops from 9 to 6. Define
1097 SIGTRAP and SIGQUIT for MSVC.
1098
1099 Tue Oct 15 16:19:51 1996 Stu Grossman (grossman@critters.cygnus.com)
1100
1101 * interp.c (MEM_SIZE): It's now bytes, not a power of 2.
1102 * (map): Add support for external mem in the 1->2 meg range.
1103 Also, abort() when memory access is way out of bounds. (Better to
1104 die than to give wrong result. (This will be fixed later.))
1105 * (sim_size): MEM_SIZE is now bytes, not shift factor.
1106
1107 Tue Oct 1 15:53:24 1996 Gavin Koch <gavin@cygnus.com>
1108
1109 * simops.c (trace_input): Swapped order of operands for output
1110 output of OP_IMM_REG. Changed the fetching of the operands for
1111 OP_LOAD32, and OP_STORE32 to work like op-function.
1112
1113 Mon Sep 30 15:46:33 1996 Stu Grossman (grossman@critters.cygnus.com)
1114
1115 * interp.c: Move includes of remote-sim.h and callback.h to
1116 v850-sim.h.
1117 * (lookup_hash): Add PC to report of hash failure.
1118 * (map load_mem store_mem): New memory subsystem. Models V851
1119 memory system.
1120 * (sim_write sim_read): Use new memory subsystem.
1121 * (sim_resume): Don't load and save PC into EIPC anymore. Needed
1122 to make user-defined traps work right.
1123 * simops.c (OP_*): Use new memory subsystem.
1124 * (OP_14007E0 (reti)): Implement reti.
1125 * (OP_14996E0 (trap)): Implement user-defined traps. Move I/O to
1126 trap 31. Use new memory subsystem.
1127 * v850_sim.h: Prototypes for load_mem, store_mem and map. Use
1128 load_mem in RLW macro.
1129
1130 Fri Sep 27 18:34:09 1996 Stu Grossman (grossman@critters.cygnus.com)
1131
1132 * gencode.c (write_opcodes): Output hex values for opcode mask
1133 and patterns.
1134 * interp.c (sim_resume): Save and restore PC from the appropriate
1135 register.
1136 * (sim_fetch_register sim_store_register): Fix byte-order problem
1137 with reading and writing registers.
1138 * simops.c (OP_FFFF): Implement pseudo-breakpoint insn.
1139
1140 Fri Sep 27 17:42:37 1996 Jeffrey A Law (law@cygnus.com)
1141
1142 * simops.c (trace_input): Fix thinko.
1143
1144 Wed Sep 18 09:54:12 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1145
1146 * simops.c (exec_bfd): Rename from sim_bfd.
1147 (trace_input): Ditto.
1148
1149 Thu Sep 12 12:03:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1150
1151 * simops.c (trace_input): Use find_nearest_line to print line
1152 number, function name or file name of PC.
1153
1154 Wed Sep 11 16:44:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1155
1156 * simops.c: Add tracing support. Use SEXTxx macros instead of
1157 doing hardwired shifts.
1158
1159 * configure.in (--enable-sim-cflags): Add switch to add additional
1160 flags to simulator buld. If --enable-sim-cflags=trace, turn on
1161 tracing.
1162 * configure: Regenerate.
1163
1164 * Makefile.in: Don't require a VPATH capable make if configuring
1165 in the same directory. Don't use CFLAGS for configuration flags.
1166 Add flags from --enable-sim-cflags. Support canadian cross
1167 builds. Rebuild whole simulator if include files change.
1168
1169 * interp.c (v850_debug): New global for debugging.
1170 (lookup_hash,sim_size,sim_set_profile): Use
1171 printf_filtered callback, instead of calling printf directly.
1172 (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
1173
1174 * v850_sim.h: Use limits.h to set the various sized types.
1175 (SEXT{5,7,16,22}): New macros.
1176
1177 Mon Sep 9 20:50:46 1996 Jeffrey A Law (law@cygnus.com)
1178
1179 * interp.c (hash): Make this an inline function
1180 when compiling with GCC. Simplify.
1181 * simpos.c: Explicitly include "sys/syscall.h". Remove
1182 some #if 0'd code. Enable more emulated syscalls.
1183
1184 Wed Sep 4 01:48:55 1996 Jeffrey A Law (law@cygnus.com)
1185
1186 * interp.c: Fix sign bit handling for add and sub instructions.
1187
1188 Tue Sep 3 10:20:30 1996 Jeffrey A Law (law@cygnus.com)
1189
1190 * gencode.c: Fix various indention & style problems.
1191 Remove test code. Remove #if 0 code.
1192 * interp.c: Provide prototypes for all static functions.
1193 Fix minor indention problems.
1194 (sim_open, sim_resume): Remove unused variables.
1195 (sim_read): Return type is "int".
1196 * simops.c: Remove unused variables.
1197 (divh): Make result of divide-by-zero zero.
1198 (setf): Initialize result to keep compiler quiet.
1199 (sar instructions): These just clear the overflow bit.
1200 * v850_sim.h: Provide prototypes for put_byte, put_half
1201 and put_word.
1202
1203 * interp.c: OP should be an array of 32bit operands!
1204 (v850_callback): Declare.
1205 (do_format_5): Fix extraction of OP[0].
1206 (sim_size): Remove debugging printf.
1207 (sim_set_callbacks): Do something useful.
1208 (sim_stop_reason): Gross hacks to get c-torture running.
1209 * simops.c: Simplify code for computing targets of bCC
1210 insns. Invert 's' bit if 'ov' bit is set for some
1211 instructions. Fix 'cy' bit handling for numerous
1212 instructions. Make the simulator stop when a halt
1213 instruction is encountered. Very crude support for
1214 emulated syscalls (trap 0).
1215 * v850_sim.h: Include "callback.h" and declare
1216 v850_callback. Items in the operand array are 32bits.
1217
1218 Sun Sep 1 22:35:35 1996 Jeffrey A Law (law@cygnus.com)
1219
1220 * interp.c (sim_resume): Fix code to check for a format 3
1221 opcode.
1222 * simops.c: bCC insns only argument is a constant, not a
1223 register value (duh...)
1224
1225 Fri Aug 30 10:33:49 1996 Jeffrey A Law (law@cygnus.com)
1226
1227 * simops.c: Fix "not1" and "set1".
1228
1229 * simops.c: Don't forget to initialize temp for
1230 "ld.h" and "ld.w"
1231
1232 * interp.c: Remove various debugging printfs.
1233
1234 * simops.c: Fix satadd, satsub boundary case handling.
1235
1236 * interp.c (hash): Fix.
1237 * interp.c (do_format_8): Get operands correctly and
1238 call the target function.
1239 * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
1240
1241 Thu Aug 29 13:53:29 1996 Jeffrey A Law (law@cygnus.com)
1242
1243 * interp.c (do_format_4): Get operands correctly and
1244 call the target function.
1245 * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
1246 "sst.h", and "sst.w".
1247
1248 * v850_sim.h: The V850 doesn't have split I&D spaces. Change
1249 accordingly. Remove many unused definitions.
1250 * interp.c: The V850 doesn't have split I&D spaces. Change
1251 accordingly.
1252 (get_longlong, get_longword, get_word): Deleted.
1253 (write_longlong, write_longword, write_word): Deleted.
1254 (get_operands): Deleted.
1255 (get_byte, get_half, get_word): New functions.
1256 (put_byte, put_half, put_word): New functions.
1257 * simops.c: Remove unused functions. Rough cut at
1258 "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
1259
1260 * v850_sim.h (struct _state): Remove "psw" field. Add
1261 "sregs" field.
1262 (PSW): Remove bogus definition.
1263 * simops.c: Change condition code handling to use the psw
1264 register within the sregs array. Handle "ldsr" and "stsr".
1265
1266 * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
1267
1268 * interp.c (do_format_5): Get operands correctly and
1269 call the target function.
1270 (sim_resume): Don't do a PC update for format 5 instructions.
1271 * simops.c: Handle "jarl" and "jmp" instructions.
1272
1273 * simops.c: Fix minor typos. Handle "cmp", "setf", "tst"
1274 "di", and "ei" instructions correctly.
1275
1276 * interp.c (do_format_3): Get operands correctly and call
1277 the target function.
1278 * simops.c: Handle bCC instructions.
1279
1280 * simops.c: Add condition code handling to shift insns.
1281 Fix minor typos in condition code handling for other insns.
1282
1283 * Makefile.in: Fix typo.
1284 * simops.c: Add condition code handling to "sub" "subr" and
1285 "divh" instructions.
1286
1287 * interp.c (hash): Update to be more accurate.
1288 (lookup_hash): Call hash rather than computing the hash
1289 code here.
1290 (do_format_1_2): Handle format 1 and format 2 instructions.
1291 Get operands correctly and call the target function.
1292 (do_format_6): Get operands correctly and call the target
1293 function.
1294 (do_formats_9_10): Rough cut so shift ops will work.
1295 (sim_resume): Tweak to deal with format 1 and format 2
1296 handling in a single funtion. Don't update the PC
1297 for format 3 insns. Fix typos.
1298 * simops.c: Slightly reorganize. Add condition code handling
1299 to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
1300 and "not" instructions.
1301 * v850_sim.h (reg_t): Registers are 32bits.
1302 (_state): The V850 has 32 general registers. Add a 32bit
1303 psw and pc register too. Add accessor macros
1304
1305 * Makefile.in, interp.c, v850_sim.h: Bring over endianness
1306 changes from the d10v simulator.
1307
1308 * simops.c: Add shift support.
1309
1310 * simops.c: Add multiply & divide support. Abort for system
1311 instructions.
1312
1313 * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
1314 and subr. No condition codes yet.
1315
1316 Wed Aug 28 13:53:22 1996 Jeffrey A Law (law@cygnus.com)
1317
1318 * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
1319 gencode.c, interp.c, simops.c: Created.
1320