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sim: change to 64bit time keeping to avoid 32bit overflows
[thirdparty/binutils-gdb.git] / sim / v850 / ChangeLog
CommitLineData
dae477fe
AB
12011-01-11 Andrew Burgess <aburgess@broadcom.com>
2
3 * interp.c (sim_store_register): Update return value to
4 match new API.
5
4e9586f0
MF
62010-03-30 Mike Frysinger <vapier@gentoo.org>
7
8 * interp.c (interrupt_names): Add const to pointer type.
9 (do_interrupt): Add const to interrupt_name.
10
3725885a
RW
112010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
12
13 * configure: Regenerate.
14
d6416cdc
RW
152009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
16
81ecdfbb
RW
17 * config.in: Regenerate.
18 * configure: Likewise.
19
d6416cdc
RW
20 * configure: Regenerate.
21
b5bd9624
HPN
222008-07-11 Hans-Peter Nilsson <hp@axis.com>
23
24 * configure: Regenerate to track ../common/common.m4 changes.
25 * config.in: Ditto.
26
6efef468
JM
272008-06-06 Vladimir Prus <vladimir@codesourcery.com>
28 Daniel Jacobowitz <dan@codesourcery.com>
29 Joseph Myers <joseph@codesourcery.com>
30
31 * configure: Regenerate.
32
c5fbc25b
DD
332008-02-05 DJ Delorie <dj@redhat.com>
34
98e460c3
DD
35 * simops.c (OP_1C007E0): Compensate for 64 bit hosts.
36 (OP_18007E0): Likewise.
37 (OP_2C007E0): Likewise.
38 (OP_28007E0): Likewise.
39 * v850.igen (divh): Likewise.
40
c5fbc25b
DD
41 * simops.c (OP_C0): Correct saturation logic.
42 (OP_220): Likewise.
43 (OP_A0): Likewise.
44 (OP_660): Likewise.
45 (OP_80): Likewise.
46
47 * simops.c (OP_2A0): If the shift count is zero, clear the
48 carry.
49 (OP_A007E0): Likewise.
50 (OP_2C0): Likewise.
51 (OP_C007E0): Likewise.
52 (OP_280): Likewise.
53 (OP_8007E0): Likewise.
54
55 * simops.c (OP_2C207E0): Correct PSW flags for special divu
56 conditions.
57 (OP_2C007E0): Likewise, for div.
58 (OP_28207E0): Likewise, for divhu.
59 (OP_28007E0): Likewise, for divh. Also, sign-extend the correct
60 operand.
61 * v850.igen (divh): Likewise, for 2-op divh.
62
63 * v850.igen (bsh): Fix carry logic.
64
cb5c8c39
DJ
652007-02-20 Daniel Jacobowitz <dan@codesourcery.com>
66
67 * Makefile.in (interp.o): Uncomment and update.
68
edc5d9ec
HPN
692006-12-21 Hans-Peter Nilsson <hp@axis.com>
70
71 * acconfig.h: Remove.
72 * config.in: Regenerate.
73
e85e3205
RE
742006-06-13 Richard Earnshaw <rearnsha@arm.com>
75
76 * configure: Regenerated.
77
2f0122dc
DJ
782006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
79
80 * configure: Regenerated.
81
20e95c23
DJ
822006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
83
84 * configure: Regenerated.
85
2b193c4a
MK
862005-03-23 Mark Kettenis <kettenis@gnu.org>
87
88 * configure: Regenerate.
89
35695fd6
AC
902005-01-14 Andrew Cagney <cagney@gnu.org>
91
92 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
93 explicit call to AC_CONFIG_HEADER.
94 * configure: Regenerate.
95
f0569246
AC
962005-01-12 Andrew Cagney <cagney@gnu.org>
97
98 * configure.ac: Update to use ../common/common.m4.
99 * configure: Re-generate.
100
38f48d72
AC
1012005-01-11 Andrew Cagney <cagney@localhost.localdomain>
102
103 * configure: Regenerated to track ../common/aclocal.m4 changes.
104
b7026657
AC
1052005-01-07 Andrew Cagney <cagney@gnu.org>
106
107 * configure.ac: Rename configure.in, require autoconf 2.59.
108 * configure: Re-generate.
109
379832de
HPN
1102004-12-08 Hans-Peter Nilsson <hp@axis.com>
111
112 * configure: Regenerate for ../common/aclocal.m4 update.
113
4389ce38
MK
1142004-01-18 Mark Kettenis <kettenis@gnu.org>
115
116 * simops.c: Include <sys/types.h>.
117
c5ea1d53
NC
1182003-09-05 Andrew Cagney <cagney@redhat.com>
119 Nick Clifton <nickc@redhat.com>
120
121 * interp.c (sim_open): Accept bfd_mach_v850e1.
122 * v850-dc: Add entry for v850e1.
123 * v850.igen: Add support for v850e1.
124 Add code for DBTRAP and DBRET instructions.
125 (dbtrap): Create a separate v850e1 specific instruction.
126 Only generate a trap if the target is not the v850e1.
127 Otherwise treat it as a special kind of branch.
128 (break): Mark as v850/v850e specific.
129
ae451ac6
ILT
1302003-05-16 Ian Lance Taylor <ian@airs.com>
131
132 * Makefile.in (SHELL): Make sure this is defined.
133 (tmp-igen): Use $(SHELL) whenever we invoke move-if-change.
134
ebc115b7
NC
1352003-04-06 Nick Clifton <nickc@redhat.com>
136
1eec9e33
NC
137 * simops.c (OP_40): Delete. Move code to...
138 * v850-igen.c (): ...Here. Sign extend the first operand.
ebc115b7
NC
139 * simops.h (OP_40): Remove prototype.
140
6b4a8935
AC
1412003-02-27 Andrew Cagney <cagney@redhat.com>
142
143 * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
144
0da2b665
AC
1452002-11-30 Andrew Cagney <cagney@redhat.com>
146
147 * simops.c: Use int, 1, 0 instead of boolean, true and false.
148 * sim-main.h: Ditto.
149
30458d39
JW
1502002-09-27 Jim Wilson <wilson@redhat.com>
151
152 * simops.c (OP_E6077E0): And op1 with 7 after reading register, not
153 before.
154 (BIT_CHANGE_OP): Likewise.
155
2e8162ce
JW
1562002-09-26 Jim Wilson <wilson@redhat.com>
157
158 * simops (OP_10007E0): Don't subtract 4 from PC.
159
5d6a173d
NC
1602002-09-19 Nick Clifton <nickc@redhat.com>
161
162 * interp.c (sim_open): Remove reference to v850ea.
163 (sim_create_inferior): Likewise.
164 * v850-dc: Likewise.
165 * v850.igen: Remove all references to v850ea, including v850ea
166 specific instructions.
167
e551c257
NC
1682002-08-29 Nick Clifton <nickc@redhat.com>
169
170 From 2001-08-23 Catherine Moore <clm@redhat.com>
171
172 * Makefile.in: Add gen-zero-r0 option.
173 * sim-main.h (GPR_SET, GPR_CLEAR): Define.
174 * simops.c (OP_24007E0): Sign extend the imm9
175 operand of a mul instruction.
176
d62274a3
AC
1772002-06-17 Andrew Cagney <cagney@redhat.com>
178
179 * simops.c (trace_result): Fix printf formatting.
180
c8cca39f
AC
1812002-06-16 Andrew Cagney <ac131313@redhat.com>
182
183 * configure: Regenerated to track ../common/aclocal.m4 changes.
184
7ef2d4e7
AC
1852001-12-02 Andrew Cagney <ac131313@redhat.com>
186
187 * Makefile.in (simops.h, table.c): Delete targets.
188 (tmp-gencode, gencode.o, gencode): Delete targets.
189 (simops.h): New file.
190 ($(BUILT_SRC_FROM_IGEN)): Do not depend on simops.h.
191 * gencode.c: Delete file.
192
d4424ada
C
1932001-04-15 J.T. Conklin <jtc@redback.com>
194
195 * Makefile.in (simops.o): Add simops.h to dependency list.
196
1e6cd159
AC
1972001-03-14 Andrew Cagney <ac131313@redhat.com>
198
199 * Makefile.in (gencode): Link with libintl.
200
42acc51e
JL
2012001-01-31 Jonathan Larmour <jlarmour@redhat.com>
202
203 * Makefile.in (gencode): Link with libopcodes in build tree rather
204 than building source files from there.
205
896ad910
NC
2062000-05-30 Nick Clifton <nickc@cygnus.com>
207
208 * v850.igen: Remove illegal instruction pattern, since it is the
209 same as the breakpoint pattern.
210
eb2d80b4
AC
211Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
212
213 * configure: Regenerated to track ../common/aclocal.m4 changes.
214
b9791fcd
FCE
2152000-04-14 Gary Thomas <gthomas@redhat.com>
216
217 * v850.igen: Define 'br *' as illegal since this is the only
218 way to provide a breakpoint on some v850 family processors.
219
de616bc7
FCE
2202000-03-24 Frank Ch. Eigler <fche@redhat.com>
221
222 * v850.igen (ilgop): New insn pattern for four-byte breakpoints.
223
d4f3574e
SS
224Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
225
226 * configure: Regenerated to track ../common/aclocal.m4 changes.
227
cd0fc7c3
SS
2281999-05-08 Felix Lee <flee@cygnus.com>
229
230 * configure: Regenerated to track ../common/aclocal.m4 changes.
231
c906108c
SS
232Tue Dec 1 17:25:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
233
234 * Makefile.in (NL_TARGET): Define as -DNL_TARGET_v850.
235
236Wed Nov 25 17:52:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
237
238 * Makefile.in (simops.o): Depends on targ-vals.h
239 * simops.c: Include targ-vals.h instead of
240 libgloss/.../syscall.h. Replace SYS_* with TARGET_SYS_*.
241 (divn, divun, OP_1C007E0, OP_18207E0, OP_1C207E0,OP_18007E0):
242 Replace signed long int with signed32.
243
244Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
245
246 * interp.c: #include "itable.h".
247 (get_insn_name): New function.
248 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
249 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
250
251Wed May 6 19:43:27 1998 Doug Evans <devans@canuck.cygnus.com>
252
253 * sim-main.h (INSN_NAME): New arg `cpu'.
254
255Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
256
257 * configure: Regenerated to track ../common/aclocal.m4 changes.
258
259Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
260
261 * configure: Regenerated to track ../common/aclocal.m4 changes.
262 * config.in: Ditto.
263
264Sun Apr 26 15:19:14 1998 Tom Tromey <tromey@cygnus.com>
265
266 * acconfig.h: New file.
267 * configure.in: Reverted change of Apr 24; use sinclude again.
268
269Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
270
271 * configure: Regenerated to track ../common/aclocal.m4 changes.
272 * config.in: Ditto.
273
274Fri Apr 24 11:18:08 1998 Tom Tromey <tromey@cygnus.com>
275
276 * configure.in: Don't call sinclude.
277
278Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
279
280 * configure: Regenerated to track ../common/aclocal.m4 changes.
281 * sim-main.h (SIM_MAIN_H): Wrap header.
282
283Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
284
285 * configure: Regenerated to track ../common/aclocal.m4 changes.
286
287Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
288
289 * configure: Regenerated to track ../common/aclocal.m4 changes.
290
291Tue Mar 10 15:54:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
292
293 * interp.c (sim_stop): Delete, second attempt.
294
295Thu Feb 26 19:09:47 1998 Andrew Cagney <cagney@b1.cygnus.com>
296
297 * interp.c (sim_info): Delete.
298
299Wed Feb 18 10:47:32 1998 Andrew Cagney <cagney@b1.cygnus.com>
300
301 * sim-main.h (TRACE_ALU_INPUT*): Delete. Moved to sim-trace.[hc].
302
303 * simops.c (trace_result): Call trace_generic instead of
304 trace_one_insn.
305 (trace_module): Change variable type to integer.
306 (trace_input): Initialize trace_module with TRACE_ALU_IDX.
307
308 * sim-main.h (trace_module): Change variable decl to integer type.
309 (TRACE_BRANCH*, TRACE_LD, TRACE_ST): Update.
310
311Tue Feb 17 12:51:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
312
313 * interp.c (sim_store_register, sim_fetch_register): Pass in
314 length parameter. Return -1.
315
316Tue Feb 3 16:24:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
317
318 * sim-main.h (IMEM16, IMEM16_IMMED): Rename IMEM and
319 IMEM_IMMED. To match recent igen change.
320
321Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
322
323 * configure: Regenerated to track ../common/aclocal.m4 changes.
324
325Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
326
327 * configure: Regenerated to track ../common/aclocal.m4 changes.
328
329Fri Jan 30 09:51:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
330
331 * sim-main.h (CPU_CIA): Delete, replaced by.
332 (CIA_SET, CIA_SET): Define.
333
334Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
335
336 * configure: Regenerated to track ../common/aclocal.m4 changes.
337
338Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
339
340 * configure: Regenerated to track ../common/aclocal.m4 changes.
341 * config.in: Ditto.
342
343Fri Dec 5 09:26:08 1997 Nick Clifton <nickc@cygnus.com>
344
345 * v850.igen: Revert break value back to its old value.
346
347Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
348
349 * configure: Regenerated to track ../common/aclocal.m4 changes.
350
351Wed Dec 3 17:27:19 1997 Nick Clifton <nickc@cygnus.com>
352
353 * v850.igen: Make break have a zero first field, since otherwise
354 it clashes with the DIVH instruction.
355
356Sat Nov 22 21:32:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
357
358 * simops.c (OP_10007E0): Rename SIGABRT -> SIM_SIGABRT. Give
359 sim_stopped instead of sim_signalled.
360
361 * v850.igen (BREAK), simops.c (OP_12007E0): Rename SIGTRAP to
362 SIM_SIGTRAP.
363 (illegal): Rename SIGILL to SIM_SIGILL.
364
365 * sim-main.h, simops.c, interp.c: Do not include signal.h.
366
367 * sim-main.h: Include sim-signal.h instead of signal.h.
368 (SIGTRAP, SIGQUIT): Delete definition.
369 (SIG_V850_EXIT): Delete definition.
370
371Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
372
373 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
374
375Fri Oct 31 10:33:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
376
377 * interp.c (sim_open): Check state magic number.
378 (sim-assert.h): Include.
379
380Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
381
382 * v850.igen: Add model filter field to records.
383
384Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
385
386 * configure: Regenerated to track ../common/aclocal.m4 changes.
387
388Fri Sep 26 11:56:02 1997 Felix Lee <flee@cygnus.com>
389
390 * sim-main.h: delete null override of SIM_ENGINE_HALT_HOOK and
391 SIM_ENGINE_RESTART_HOOK.
392
393Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
394
395 * configure: Regenerated to track ../common/aclocal.m4 changes.
396
397Wed Sep 24 17:28:26 1997 Andrew Cagney <cagney@b1.cygnus.com>
398
399 * sim-main.h (WITH_TARGET_WORD_MSB): Delete.
400
401 * configure.in (SIM_AC_OPTION_BITSIZE): Specify 32 bit
402 architecture with MSB == 31.
403
404Wed Sep 24 14:04:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
405
406 * v850.igen: Make divh insn with RRRRR==0 breakpoint.
407
408Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
409
410 * configure: Regenerated to track ../common/aclocal.m4 changes.
411
412Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
413
414 * Makefile.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
415 SIM_HOSTENDIAN, SIM_RESERVED_BITS): Delete, moved to common.
416 (SIM_EXTRA_CFLAGS): Update.
417
418Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
419
420 * configure: Regenerated to track ../common/aclocal.m4 changes.
421 * configure.in: Really specify NONSTRICT_ALIGNMENT as the default.
422
423Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
424
425 * configure.in: Specify NONSTRICT_ALIGNMENT as the default.
426 * configure: Regenerated to track ../common/aclocal.m4 changes.
427
428Fri Sep 19 10:37:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
429
430 * v850.igen (disp16): Use EXTEND16 to sign extend disp.
431 (disp22): Only shift left by 1, not 2.
432 ("jmp"): Ensure PC is 2 byte aligned.
433
434 * simops.c, v850.igen: Move "Bcond", "jr", "jarl" code to
435 v850.igen. Fix tracing.
436
437 * simops.c (OP_300, OP_400, OP_500): Move "sdl.b", "sld.h",
438 "sld.w" insns to v850.igen. Fix tracing.
439 (OP_70): Ditto for "sld.hu".
440
441 * v850.igen: Clarify tracing of "sld.b", "sld.h" et.al.
442
443 * simops.c (condition_met): Make global.
444
445 * sim-main.h (TRACE_ALU_INPUT3, TRACE_BRANCH0, TRACE_LD,
446 TRACE_ST): Define.
447 (TRACE_LD_NAME): Define.
448
449 * simops.c: Move "cmov", "cmov imm" to v850.igen, fix.
450
451Wed Sep 17 16:21:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
452
453 * simops.c: Move "mov", "reti", to v850.igen, fix tracing.
454
455 * interp.c (hash): Delete.
456
457 * v850.igen (nop): Really do nothing.
458
459 * interp.c (do_interrupt): Mask interrupts after PSW is saved, not
460 before.
461 * v850.igen (reti): Return to current PC not previous.
462
463Wed Sep 17 14:02:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
464
465 * simops.c: Move "ctret", "bsw", "hsw" to v850.igen, fix tracing.
466 (trace_module): Global, save component/module name across insn.
467
468 * simops.c: Move "bsh" to v850.igen, fix.
469
470 * v850.igen (callt): Load correct number of bytes. Fix tracing.
471 (stsr, ldsr): Correct src, dest fields. Fix tracing.
472 (ctret): Force alignment. Fix tracing.
473
474Tue Sep 16 22:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
475
476 * simops.c (trace_output): Add result argument.
477 (trace_result): New function. Simpler version of trace_output,
478 assumes trace needed.
479 (trace_output): Call trace_result.
480 (trace_output): For IMM_REG_REG, trace correct register.
481 (trace_input): Add case for 16bit immediates.
482 (OP_600, OP_640, OP_680, OP_6C0, OP_6A0): Use.
483
484 * sim-main.h (TRACE_ALU_INPUT, TRACE_ALU_RESULT): Define.
485 (trace_values, trace_name, trace_pc, trace_num_values): Make
486 global.
487 (GR, SR): Define.
488
489 v850.insn (movea, stsr): Use.
490 (sxb, sxh, zxb, zxh): Ditto.
491
492Tue Sep 16 21:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
493
494 * simops.c: Move "movea" from here.
495 * v850.igen: To here.
496
497 * v850.igen (simm16): Define, sign extend imm16.
498 (uimm16): Define, no sign extension.
499 (addi, andi, movea, movhi, mulhi, ori, satsubi, xori): Use.
500
501 * simops.c: Move "sxh", "switch", "sxb", "callt", "dispose",
502 "mov32" from here.
503 * v850.igen: To here.
504 (switch): Fix off by two error in NIA calc.
505
506Tue Sep 16 15:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
507
508 * simops.c (trace_pc, trace_name, trace_values, trace_num_values):
509 New static globals.
510 (trace_input): Just save pc, name and values for trace_output.
511 (trace_output): Write trace values to a buffer. Use
512 trace_one_insn to print trace info and buffer.
513 (SIZE_OPERANDS, SIZE_LOCATION): Delete.
514
515Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
516
517 * sim-main.h (struct _sim_cpu): Add psw_mask so that reserved bits
518 can be masked out.
519
520 * simops.c (OP_2007E0, OP_4007E0): Move "ldsr", "stsr"
521 instructions from here.
522 * v850.igen (ldsr, stsr): To here. Mask out reserved bits when
523 setting PSW.
524
525 * interp.c (sim_open): Set psw_mask if machine known.
526
527Tue Sep 16 10:20:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
528
529 * v850-dc: Add rule to diferentiate between breakpoint and divh.
530 * v850.igen (break): New instruction, breakpoint simulator.
531 * v850.igen (breakpoint): Enable. Change to a 32bit instruction.
532
533Mon Sep 15 18:44:05 1997 Jim Wilson <wilson@cygnus.com>
534
535 * simops.c (Multiply64): Don't store into register zero.
536
537Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
538
539 * Makefile.in (semantics.o): Add dependency.
540
541 * sim-main.h (SAVE_1, SAVE_2): Perform backward compatible save,
542 do not adjust CIA/NIA.
543
544Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
545
546 * simops.c (OP_300, OP_400, OP_70): Make behavour depend on PSW[US].
547
548 * simops.c: Move "divun", "sld.bu", "divhn", "divhun", "divn",
549 "divun", "pushml" code from here to v850.igen.
550 (divun): Make global.
551 (type3_regs): Make global
552
553 * v850.igen: Move simops.c code to here.
554
555 * interp.c (sim_create_inferior): For v850eq set US bit by
556 default.
557
558 * interp.c (sim_open): Don't set arch, now set by
559 sim_analyze_program.
560
561 * configure: Regenerated to track ../common/aclocal.m4 changes.
562
563Mon Sep 15 14:39:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
564
565 * simops.c (op_types): Move from here.
566 sim-main.h: To here.
567
568 * sim-main.h (trace_input, trace_output), simops.c: Make global.
569
570 * simops.c (OP_60): Move "jmp" code from here.
571 * v850.igen (jmp): To here.
572
573 * simops.c (OP_60): Move "sld.bu" code from here.
574 * v850.igen (sld.bu): To here.
575
576Fri Sep 12 15:11:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
577
578 * v850.igen (prepare, ...): Add to v850eq architecture.
579
580 * interp.c (sim_open): Default to v850eq.
581
582 * interp.c (sim_open): Default to v850e.
583 * sim-main.h (signal.h): Include.
584
585 * v850.igen (illegal): Report/halt illegal instructions.
586
587 * Makefile.in (SIM_EXTRA_CFLAGS): Add SIM_RESERVED_BITS.
588
589 * configure.in: Add reserved bits option.
590 * configure: Regenerate.
591
592Thu Sep 11 08:40:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
593
594 * interp.c (sim_open): Use sim_do_commandf instead of asprintf.
595
596 * sim-main.h (INSN_NAME):
597
598 * Makefile.in (INCLUDE): Add SIM_EXTRA_DEPS.
599 (SIM_EXTRA_DEPS): Add itable.h
600 (tmp-gencode): Does not depend on simops.h
601
602 * sim-main.h (itable.h): Include.
603 (MAX_INSNS, INSN_NAME): Define.
604
605 * interp.c: Compute inttype from the interrupt_names index that
606 was passed in.
607
608Wed Sep 10 10:25:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
609
610 * simops.c (trace_input): Use trace_printf instead of
611 sim_io_printf.
612 (trace_output): Ditto.
613 (trace_input): Only trace when TRACE_ALU_P. Delete code
614 disasembling instruction.
615 (trace_output): Only trace when TRACE_ALU_P.
616
617Tue Sep 9 01:29:50 1997 Andrew Cagney <cagney@b1.cygnus.com>
618
619 * simops.c (trace_input, trace_output): Use sim_io_printf.
620 (OP_620): Pass correct argument to trace.
621 (OP_E607E0): Ditto.
622 (trace_input): Obtain prog_bfd, text_start et.al from simulator
623 struct.
624
625Mon Sep 8 21:03:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
626
627 * v850.igen: New file.
628 * v850-dc: New file.
629
630Mon Sep 8 18:33:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
631
632
633 * sim-main.h (SEXT16): Delete, use EXTEND16.
634 (SEXT8): Delete, use EXTEND8.
635 (SEXT32): Delete, used?
636 (SEXT40, SEXT44, SEXT64): Use UNSIGNED64 for constants, not ...LL.
637 (WITH_TARGET_WORD_MSB): Define as 31. v850 little bit endian.
638
639 * simops.c: Use EXTEND15 from sim-bits instead of SEXT16.
640
641 * sim-main.h (DEBUG_TRACE, DEBUG_VALUES, v850_debug): Delete,
642 replace with TRACE_INSN_P and TRACE_ALU_P.
643
644 * simops.c (trace_input, trace_output): Update.
645
646 * interp.c (sim_engine_run): Delete.
647 (lookup_hash): Delete.
648 (sim_open): Do not fill hash table.
649 (sim_trace): Delete.
650
651Fri Sep 5 17:04:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
652
653 * simops.c (OP_FFFF): Use sim_engine_halt.
654 (OP_12007E0): Ditto.
655 (OP_10007E0): Ditto.
656
657 * sim-main.h (struct sim_cpu): Delete member exception. Using
658 sim-engine et.al.
659
660 * interp.c (sim_info): Do not do anything in sim-info.
661 (sim_stop): Delete, replace with sim-stop.
662 (sim_stop_reason): Delete, replace with sim-reason.
663
664 * sim-main.h (WITH_WATCHPOINTS): Define.
665 (WITH_MODULO_MEMORY): Define
666
667 * Makefile.in (SIM_OBJS): Add sim-resume, sim-watch, sim-stop,
668 sim-reason.
669
670 * interp.c (enum interrupt_cond_type): Delete.
671 (struct interrupt_generator): Delete.
672 (enum interrupt_type): Drop int_none.
673 (sim_open): Initialize WATCHPOINT module.
674 (sim_resume, sim_run): Rename sim_resume to sim_run.
675 (sim_engine_run): Replace interrupt code with call to sim-events.
676 (sim_set_interrupt): Delete.
677 (sim_parse_number): Delete.
678
679Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
680
681 * configure: Regenerated to track ../common/aclocal.m4 changes.
682
683Thu Sep 4 18:11:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
684
685 * simops.c (fetch_argv): New function, fetch a arg vector from
686 simulator memory.
687
688 * configure.in: Check for fork, execve, execv.
689 * configure: Regenerate.
690
691 * interp.c (sim_store_register, sim_fetch_register): Use H2T_4 and
692 T2H_4 for byte swapping.
693
694 * sim-main.h, interp.c (get_word, get_half, get_byte, put_word,
695 put_half, put_byte): Delete.
696
697 * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
698
699 * sim-main.h (load_mem, store_mem): Redefine as macros.
700 (IMEM, IMEM_IMMED): New macros - fetch instructions.
701
702 * simops.c (OP_10007E0): For SYS_read, SYS_write, SYS_open
703 transfer data via a buffer.
704 (fetch_str): New function, fetch string from memory.
705
706 * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
707
708 * interp.c (sim_open): Establish memory maps using sim-memopt.c
709 via sim_do_command.
710 (sim_do_command): Print error if memory-map command is used. Call
711 sim_args_command.
712 (map): Delete, replaced by sim-core.
713 (sim_memory_init): Delete, replaced by sim-core.
714 (sim_set_memory_map): Delete, replaced by sim-memopt.
715 (load_mem): Delete, replaced by sim-core.
716 (store_mem): Delete, replaced by sim-core.
717 (sim_write): Delete, replaced by sim-hrw.
718 (sim_read): Delete, replaced by sim-hrw.
719
720 * sim-main.h (struct sim_state): Remove memory members, using
721 sim-core.c
722
723Wed Sep 3 10:18:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
724
725 * sim-main.h: Replace SIM_HAVE_FLATMEM with mem ptr.
726 * interp.c (map): Do not add to a void pointer.
727
728 * Makefile.in (INCLUDE): Add sim-main.h
729
730 * configure.in: Check for time.h
731 * configure: Re-generate.
732
733 * interp.c (struct interrupt_generator): Make time unsigned long,
734 address SIM_ADDR.
735 (sim_resume): Make oldpc SIM_ADDR.
736 (struct hash_entry): Make mask/opcode unsigned.
737
738 * v850_sim.h (struct simops ): Make opcode and mask unsigned.
739
740 * simops.c (utime.h): Include if available.
741 (OP_10007E0): Check for UTIME function.
742 (divun): Put parentheses around shift argument.
743 (OP_640): Put parentheses around shift argument, was wrong.
744 (OP_107F0): Return something.
745
746 * interp.c (sim_parse_number): Use strtoul not strtol.
747 (sim_resume): Use sim_elapsed_time_get to keep track of the time.
748
749 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
750 (SIM_AC_OPTION_ENDIAN): Set to hardwired big.
751 (SIM_AC_OPTION_HOST_ENDIAN): Add.
752 (AC_CHECK_FUNCS): Add utime.
753 (AC_CHECK_HEADERS): Add stdlib.h, string.h, strings.h, utime.h
754 configure: Regenerate.
755
756
757 * Makefile.in (SIM_RUN_OBJS): Use nrun.o.
758 (SIM_OBJS): Add sim-io.o, sim-hload.o, sim-utils.o, sim-options.o,
759 sim-config.o, sim-module.o, sim-events.o, sim-core.o,
760 sim-endian.o, sim-engine.o, sim-trace.o, sim-profile.o
761 (SIM_ENDIAN, SIM_WARNGINS): Define.
762
763 * simops.c (OP_10007E0): Use sim_io_* for transfers.
764
765 * interp.c (sim_resume): Pass sd around.
766
767 * simops.c (sim-main.h): Include.
768
769 * gencode.c (write_template): Generate #include sim-main.h.
770 (write_opcodes): Ditto.
771
772 * interp.c (prog_bfd, prog_bfd_was_opened_p): Delete.
773 (v850_callback): Ditto.
774 (sim_kind, myname): Ditto.
775 (lookup_hash): Pass SD. Use sim_io_error.
776 (sim_set_memory_map): Pass in SD, use.
777 (init_system): Pass in SD, use.
778 (sim_open): Update.
779 (sim_set_profile): Delete.
780 (sim_set_profile_size): Delete.
781 (do_interrupt): Pass in SD, use.
782 (sim_info): Use sim_io_printf.
783 (sim_create_inferior): Reset registers. Set PC from prog_bfd
784 argument.
785 (sim_load): Delete, use common/sim-hload.c
786 (sim_size): Rename to sim_memory_init.
787 (sim_write): Remove call to init_system.
788 (init_system): Delete.
789 (sim_set_callbacks): Delete.
790 (sim_set_interrupt): Pass in SD, use.
791 (start_time): Delete.
792
793 * v850_sim.h: Remove everything except `struct simops' from here.
794 * sim-main.h: Move most to here.
795 * gencode.c: Move #includes to here.
796
797 * sim-main.h(struct _sim_cpu): Rename struct _state.
798 (#define PC, et.al.): Update
799 (v850_callback): Delete. Replaced with SIM_DESC arg.
800 (int8, uint8, int16, uint16, int32, uint32): Define types using
801 unsigned8 et.al from common/sim-types.h.
802 * sim-main.h (State): Define as STATE_CPU.
803
804Mon Sep 1 12:07:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
805
806 * configure.in: Check for time, chmod.
807 * configure: Regenerate.
808 * simops.c (SYS_time, SYS_chmod): Use HAVE_TIME, HAVE_CHMOD.
809
810 * simops.c (../../libgloss/v850/sys/syscall.h): Include instead of
811 sys/syscall.h.
812 (OP_10007E0): Check the existance each SYS_* macro independantly.
813
814 * v850_sim.h (SIGQUIT, SIGTRAP): Only define if missing.
815
816Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
817
818 * configure: Regenerated to track ../common/aclocal.m4 changes.
819 * config.in: Ditto.
820
821Tue Aug 26 10:42:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
822
823 * interp.c (sim_kill): Delete.
824 (sim_create_inferior): Add ABFD argument.
825 (sim_load): Move setting of PC from here.
826 (sim_create_inferior): To here.
827
828Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
829
830 * configure: Regenerated to track ../common/aclocal.m4 changes.
831 * config.in: Ditto.
832
833Mon Aug 25 11:31:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
834
835 * interp.c (sim_open): Add ABFD argument.
836
837Fri Aug 22 10:39:28 1997 Nick Clifton <nickc@cygnus.com>
838
839 * simops.c (bsh): Only set CY flag if either of the bottom
840 bytes is zero.
841
842 * simops.c (prepare, dispose): Lower numbered
843 registers go to higher numbered address.
844
845 * simops.c (unsigned divide instructions): S bit set if result has
846 top bit set.
847
848 * simops.c (pushml, pushmh, popml, popmh): Lower numbered
849 registers go to higher numbered address.
850
851Wed Aug 20 13:56:35 1997 Nick Clifton <nickc@cygnus.com>
852
853 * simops.c (OP_107E0, OP_107F0, OP_307E0, OP_307F0): Use correct
854 interpretation of SR bit in list18 structure.
855 (divn, divun): New functions to perform N step divide functions.
856
857Mon Aug 18 10:59:02 1997 Nick Clifton <nickc@cygnus.com>
858
859 * simops.c (OP_300, OP_400, OP_60, OP_70): Support variant opcodes
860 with US bit set in the PSW.
861
862Wed Aug 13 19:06:55 1997 Nick Clifton <nickc@cygnus.com>
863
864 * interp.c (sim_resume): Opcode functions return amount to be
865 added to PC and all opcodes take a standard format in the OP[]
866 array.
867
868 (do_format_*): Functions removed.
869
870 * v850_sim.h (SP, EP): New register mnemonics.
871
872 * gencode.c (write_header): Functions prototypes return an
873 integer.
874
875 * simops.c: Opcode functions return amount to be added to PC.
876
877 * v850_sim.h (CTPC, CTPSW, CTBP): New register mnemonics.
878
879 * simops.c: Add support for v850e instructions.
880
881 * simops.c: Add support for v850eq instructions.
882
883Tue May 20 10:24:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
884
885 * interp.c (sim_open): Add callback argument.
886 (sim_set_callbacks): Delete SIM_DESC argument.
887
888Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
889
890 * configure: Regenerated to track ../common/aclocal.m4 changes.
891
892Wed Apr 23 17:20:16 1997 Doug Evans <dje@canuck.cygnus.com>
893
894 * interp.c (prog_bfd_was_opened_p): New static local.
895 (prog_bfd): New global variable.
896 (sim_open): Undo patch to add -E support.
897 (sim_close): Close prog_bfd if sim_load opened it.
898 (sim_load): Record bfd of loaded file in prog_bfd.
899 * simops.c (prog_bfd): Renamed from exec_bfd.
900
901Fri Apr 18 14:17:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
902
903 * interp.c (sim_stop): Stub function.
904
905Thu Apr 17 03:53:18 1997 Doug Evans <dje@canuck.cygnus.com>
906
907 * Makefile.in (SIM_OBJS): Add sim-load.o.
908 * interp.c (sim_kind, myname): New static locals.
909 (sim_open): Set sim_kind, myname. Ignore -E arg.
910 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
911 load file into simulator. Set start address from bfd.
912 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
913
914Wed Apr 16 19:53:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
915
916 * simops.c (OP_10007E0): Only provide system calls SYS_execv,
917 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
918
919Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
920
921 * configure: Regenerated to track ../common/aclocal.m4 changes.
922 * config.in: Ditto.
923
924Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
925
926 * interp.c (sim_open): New arg `kind'.
927
928 * configure: Regenerated to track ../common/aclocal.m4 changes.
929
930Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
931
932 * configure: Regenerated to track ../common/aclocal.m4 changes.
933
934Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
935
936 * configure: Regenerated to track ../common/aclocal.m4 changes.
937
938Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
939
940 * configure: Re-generate.
941
942Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
943
944 * configure: Regenerate to track ../common/aclocal.m4 changes.
945
946Thu Mar 13 13:00:54 1997 Doug Evans <dje@canuck.cygnus.com>
947
948 * interp.c (sim_open): New SIM_DESC result. Argument is now
949 in argv form.
950 (other sim_*): New SIM_DESC argument.
951
952Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
953
954 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
955 COMMON_{PRE,POST}_CONFIG_FRAG instead.
956 * configure.in: sinclude ../common/aclocal.m4.
957 * configure: Regenerated.
958
959Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
960
961 * configure configure.in Makefile.in: Update to new configure
962 scheme which is more compatible with WinGDB builds.
963 * configure.in: Improve comment on how to run autoconf.
964 * configure: Re-run autoconf to get new ../common/aclocal.m4.
965 * Makefile.in: Use autoconf substitution to install common
966 makefile fragment.
967
968Mon Jan 20 16:05:34 1997 Michael Meissner <meissner@tiktok.cygnus.com>
969
970 * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
971 not zero extend.
972
973Tue Jan 14 17:06:03 1997 Stu Grossman (grossman@critters.cygnus.com)
974
975 * simops.c: Put ifdefs around things to make MSVC happy. Get rid
976 of unistd.h. Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
977 SYS_gettimeofday and SYS_utime from MSVC.
978
979Tue Dec 31 18:11:13 1996 Michael Meissner <meissner@tiktok.cygnus.com>
980
981 * simops.c (OP_10007E0): Know that kill encodes the signal number
982 via: 0xdead0000 | signal and turn it back into a signal.
983
984Fri Dec 27 14:44:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
985
986 * v850_sim.h (SIG_V850_EXIT): Define as -1.
987
988 * interp.c (sim_open): Cast calloc function.
989 (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
990 program exited with the appropriate exit code.
991 (sim_set_interrupt): Declare buildargv.
992
993 * simops.c (OP_10007E0): Make exit signal normal exit. Make time
994 type correct and work on big endian systems.
995
996Wed Nov 20 02:18:44 1996 Doug Evans <dje@canuck.cygnus.com>
997
998 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
999 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
1000 * configure.in: Simplify using macros in ../common/aclocal.m4.
1001 Call AC_CHECK_HEADERS(unistd.h).
1002 * configure: Regenerated.
1003 * config.in: New file.
1004 * simops.c: #include "config.h". #include <unistd.h> if present.
1005
1006Sun Nov 3 23:02:54 1996 Stan Shebs <shebs@andros.cygnus.com>
1007
1008 * v850_sim.h (State): New slots dummy_mem, pending_nmi.
1009 (EIPC, etc): New macros for system registers.
1010 * simops.c, interp.c: Use everywhere.
1011
1012 * interp.c: Add support for interrupts issued by interrupt
1013 generators, either PC- or time-based. Controlled by simulator
1014 command "sim interrupt".
1015
1016 * interp.c: Add support for variable-size allocation of memory,
1017 via simulator command "sim memory-map".
1018 (map): Issue SIGSEGV for references to invalid memory regions.
1019
1020Thu Oct 31 14:44:10 1996 Gavin Koch <gavin@cygnus.com>
1021
1022 * simops.c: Include <sys/time.h> for struct timeval and
1023 struct timezone.
1024
1025Wed Oct 30 08:49:10 1996 Jeffrey A Law (law@cygnus.com)
1026
1027 * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
1028
1029 * simops.c (OP_10007E0): Handle SYS_time.
1030
1031Tue Oct 29 14:22:55 1996 Jeffrey A Law (law@cygnus.com)
1032
1033 * simops.c: Include <sys/stat.h>.
1034 (OP_10007E0): Handle SYS_stat.
1035
1036Thu Oct 24 12:26:35 1996 Jeffrey A Law (law@cygnus.com)
1037
1038 * simops.c (OP_10007E0): Don't declare errno.
1039
1040 * simops.c (OP_500): Mask off low bit in displacement
1041 for sld.w.
1042 (OP_501): Similarly.
1043
1044 * simops.c (OP_500): Fix displacement handling for sld.w.
1045 (OP_501): Similarly for sst.w.
1046
1047 * simops.c (trace_input): Remove all references to SEXT7.
1048 (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
1049 is zero extended for sst/sld instructions.
1050 * v850_sim.h (SEX7): Delete. It's no longer needed (and it
1051 was incorrect anyway).
1052
1053Thu Oct 24 10:33:33 1996 Stu Grossman (grossman@critters.cygnus.com)
1054
1055 * Makefile.in: Get rid of srcroot. Set all INSTALL macros via
1056 autoconf.
1057 * gencode.c (write_opcodes): Pad operands field to account for
1058 MSVC braindamage.
1059 * simops.c: Include errno.h. Exclude SYS_chown, since MSVC
1060 doesn't support it. (Why is this here in the first place?!?)
1061 * v850_sim.h: Get rid of 64 bit defs. Also, get rid of #elif's.
1062 Change number of operands in struct simops from 9 to 6. Define
1063 SIGTRAP and SIGQUIT for MSVC.
1064
1065Tue Oct 15 16:19:51 1996 Stu Grossman (grossman@critters.cygnus.com)
1066
1067 * interp.c (MEM_SIZE): It's now bytes, not a power of 2.
1068 * (map): Add support for external mem in the 1->2 meg range.
1069 Also, abort() when memory access is way out of bounds. (Better to
1070 die than to give wrong result. (This will be fixed later.))
1071 * (sim_size): MEM_SIZE is now bytes, not shift factor.
1072
1073Tue Oct 1 15:53:24 1996 Gavin Koch <gavin@cygnus.com>
1074
1075 * simops.c (trace_input): Swapped order of operands for output
1076 output of OP_IMM_REG. Changed the fetching of the operands for
1077 OP_LOAD32, and OP_STORE32 to work like op-function.
1078
1079Mon Sep 30 15:46:33 1996 Stu Grossman (grossman@critters.cygnus.com)
1080
1081 * interp.c: Move includes of remote-sim.h and callback.h to
1082 v850-sim.h.
1083 * (lookup_hash): Add PC to report of hash failure.
1084 * (map load_mem store_mem): New memory subsystem. Models V851
1085 memory system.
1086 * (sim_write sim_read): Use new memory subsystem.
1087 * (sim_resume): Don't load and save PC into EIPC anymore. Needed
1088 to make user-defined traps work right.
1089 * simops.c (OP_*): Use new memory subsystem.
1090 * (OP_14007E0 (reti)): Implement reti.
1091 * (OP_14996E0 (trap)): Implement user-defined traps. Move I/O to
1092 trap 31. Use new memory subsystem.
1093 * v850_sim.h: Prototypes for load_mem, store_mem and map. Use
1094 load_mem in RLW macro.
1095
1096Fri Sep 27 18:34:09 1996 Stu Grossman (grossman@critters.cygnus.com)
1097
1098 * gencode.c (write_opcodes): Output hex values for opcode mask
1099 and patterns.
1100 * interp.c (sim_resume): Save and restore PC from the appropriate
1101 register.
1102 * (sim_fetch_register sim_store_register): Fix byte-order problem
1103 with reading and writing registers.
1104 * simops.c (OP_FFFF): Implement pseudo-breakpoint insn.
1105
1106Fri Sep 27 17:42:37 1996 Jeffrey A Law (law@cygnus.com)
1107
1108 * simops.c (trace_input): Fix thinko.
1109
1110Wed Sep 18 09:54:12 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1111
1112 * simops.c (exec_bfd): Rename from sim_bfd.
1113 (trace_input): Ditto.
1114
1115Thu Sep 12 12:03:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1116
1117 * simops.c (trace_input): Use find_nearest_line to print line
1118 number, function name or file name of PC.
1119
1120Wed Sep 11 16:44:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1121
1122 * simops.c: Add tracing support. Use SEXTxx macros instead of
1123 doing hardwired shifts.
1124
1125 * configure.in (--enable-sim-cflags): Add switch to add additional
1126 flags to simulator buld. If --enable-sim-cflags=trace, turn on
1127 tracing.
1128 * configure: Regenerate.
1129
1130 * Makefile.in: Don't require a VPATH capable make if configuring
1131 in the same directory. Don't use CFLAGS for configuration flags.
1132 Add flags from --enable-sim-cflags. Support canadian cross
1133 builds. Rebuild whole simulator if include files change.
1134
1135 * interp.c (v850_debug): New global for debugging.
1136 (lookup_hash,sim_size,sim_set_profile): Use
1137 printf_filtered callback, instead of calling printf directly.
1138 (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
1139
1140 * v850_sim.h: Use limits.h to set the various sized types.
1141 (SEXT{5,7,16,22}): New macros.
1142
1143Mon Sep 9 20:50:46 1996 Jeffrey A Law (law@cygnus.com)
1144
1145 * interp.c (hash): Make this an inline function
1146 when compiling with GCC. Simplify.
1147 * simpos.c: Explicitly include "sys/syscall.h". Remove
1148 some #if 0'd code. Enable more emulated syscalls.
1149
1150Wed Sep 4 01:48:55 1996 Jeffrey A Law (law@cygnus.com)
1151
1152 * interp.c: Fix sign bit handling for add and sub instructions.
1153
1154Tue Sep 3 10:20:30 1996 Jeffrey A Law (law@cygnus.com)
1155
1156 * gencode.c: Fix various indention & style problems.
1157 Remove test code. Remove #if 0 code.
1158 * interp.c: Provide prototypes for all static functions.
1159 Fix minor indention problems.
1160 (sim_open, sim_resume): Remove unused variables.
1161 (sim_read): Return type is "int".
1162 * simops.c: Remove unused variables.
1163 (divh): Make result of divide-by-zero zero.
1164 (setf): Initialize result to keep compiler quiet.
1165 (sar instructions): These just clear the overflow bit.
1166 * v850_sim.h: Provide prototypes for put_byte, put_half
1167 and put_word.
1168
1169 * interp.c: OP should be an array of 32bit operands!
1170 (v850_callback): Declare.
1171 (do_format_5): Fix extraction of OP[0].
1172 (sim_size): Remove debugging printf.
1173 (sim_set_callbacks): Do something useful.
1174 (sim_stop_reason): Gross hacks to get c-torture running.
1175 * simops.c: Simplify code for computing targets of bCC
1176 insns. Invert 's' bit if 'ov' bit is set for some
1177 instructions. Fix 'cy' bit handling for numerous
1178 instructions. Make the simulator stop when a halt
1179 instruction is encountered. Very crude support for
1180 emulated syscalls (trap 0).
1181 * v850_sim.h: Include "callback.h" and declare
1182 v850_callback. Items in the operand array are 32bits.
1183
1184Sun Sep 1 22:35:35 1996 Jeffrey A Law (law@cygnus.com)
1185
1186 * interp.c (sim_resume): Fix code to check for a format 3
1187 opcode.
1188 * simops.c: bCC insns only argument is a constant, not a
1189 register value (duh...)
1190
1191Fri Aug 30 10:33:49 1996 Jeffrey A Law (law@cygnus.com)
1192
1193 * simops.c: Fix "not1" and "set1".
1194
1195 * simops.c: Don't forget to initialize temp for
1196 "ld.h" and "ld.w"
1197
1198 * interp.c: Remove various debugging printfs.
1199
1200 * simops.c: Fix satadd, satsub boundary case handling.
1201
1202 * interp.c (hash): Fix.
1203 * interp.c (do_format_8): Get operands correctly and
1204 call the target function.
1205 * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
1206
1207Thu Aug 29 13:53:29 1996 Jeffrey A Law (law@cygnus.com)
1208
1209 * interp.c (do_format_4): Get operands correctly and
1210 call the target function.
1211 * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
1212 "sst.h", and "sst.w".
1213
1214 * v850_sim.h: The V850 doesn't have split I&D spaces. Change
1215 accordingly. Remove many unused definitions.
1216 * interp.c: The V850 doesn't have split I&D spaces. Change
1217 accordingly.
1218 (get_longlong, get_longword, get_word): Deleted.
1219 (write_longlong, write_longword, write_word): Deleted.
1220 (get_operands): Deleted.
1221 (get_byte, get_half, get_word): New functions.
1222 (put_byte, put_half, put_word): New functions.
1223 * simops.c: Remove unused functions. Rough cut at
1224 "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
1225
1226 * v850_sim.h (struct _state): Remove "psw" field. Add
1227 "sregs" field.
1228 (PSW): Remove bogus definition.
1229 * simops.c: Change condition code handling to use the psw
1230 register within the sregs array. Handle "ldsr" and "stsr".
1231
1232 * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
1233
1234 * interp.c (do_format_5): Get operands correctly and
1235 call the target function.
1236 (sim_resume): Don't do a PC update for format 5 instructions.
1237 * simops.c: Handle "jarl" and "jmp" instructions.
1238
1239 * simops.c: Fix minor typos. Handle "cmp", "setf", "tst"
1240 "di", and "ei" instructions correctly.
1241
1242 * interp.c (do_format_3): Get operands correctly and call
1243 the target function.
1244 * simops.c: Handle bCC instructions.
1245
1246 * simops.c: Add condition code handling to shift insns.
1247 Fix minor typos in condition code handling for other insns.
1248
1249 * Makefile.in: Fix typo.
1250 * simops.c: Add condition code handling to "sub" "subr" and
1251 "divh" instructions.
1252
1253 * interp.c (hash): Update to be more accurate.
1254 (lookup_hash): Call hash rather than computing the hash
1255 code here.
1256 (do_format_1_2): Handle format 1 and format 2 instructions.
1257 Get operands correctly and call the target function.
1258 (do_format_6): Get operands correctly and call the target
1259 function.
1260 (do_formats_9_10): Rough cut so shift ops will work.
1261 (sim_resume): Tweak to deal with format 1 and format 2
1262 handling in a single funtion. Don't update the PC
1263 for format 3 insns. Fix typos.
1264 * simops.c: Slightly reorganize. Add condition code handling
1265 to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
1266 and "not" instructions.
1267 * v850_sim.h (reg_t): Registers are 32bits.
1268 (_state): The V850 has 32 general registers. Add a 32bit
1269 psw and pc register too. Add accessor macros
1270
1271 * Makefile.in, interp.c, v850_sim.h: Bring over endianness
1272 changes from the d10v simulator.
1273
1274 * simops.c: Add shift support.
1275
1276 * simops.c: Add multiply & divide support. Abort for system
1277 instructions.
1278
1279 * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
1280 and subr. No condition codes yet.
1281
1282Wed Aug 28 13:53:22 1996 Jeffrey A Law (law@cygnus.com)
1283
1284 * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
1285 gencode.c, interp.c, simops.c: Created.
1286