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sim: generate build dependencies on the fly
[deliverable/binutils-gdb.git] / sim / v850 / ChangeLog
CommitLineData
db2e4d67
MF		 12011-12-03 Mike Frysinger <vapier@gentoo.org>
2
3 * aclocal.m4: New file.
4 * configure: Regenerate.
5
9c082ca8
MF		 62011-10-17 Mike Frysinger <vapier@gentoo.org>
7
8 * configure.ac: Change include to common/acinclude.m4.
9
6ffe910a
MF		 102011-10-17 Mike Frysinger <vapier@gentoo.org>
11
12 * configure.ac: Change AC_PREREQ to 2.64. Delete AC_CONFIG_HEADER
13 call. Replace common.m4 include with SIM_AC_COMMON.
14 * configure: Regenerate.
15
2419798b
MF		 162011-07-05 Mike Frysinger <vapier@gentoo.org>
17
18 * interp.c (sim_do_command): Delete.
19
d0f0baa2
KB		 202011-03-21 Kevin Buettner <kevinb@redhat.com>
21
22 * simops (OP_10007E0): Update errno handling as most traps
23 do not invoke the host's functionality directly. Invoke
24 sim_io_stat() instead of stat() for implementing TARGET_SYS_stat.
25 Implement TARGET_SYS_fstat, TARGET_SYS_rename, and TARGET_SYS_unlink.
26
d79fe0d6
MF		 272011-02-14 Mike Frysinger <vapier@gentoo.org>
28
29 * simops.c (OP_10007E0): Change zfree to free.
30
dae477fe
AB		 312011-01-11 Andrew Burgess <aburgess@broadcom.com>
32
33 * interp.c (sim_store_register): Update return value to
34 match new API.
35
4e9586f0
MF		 362010-03-30 Mike Frysinger <vapier@gentoo.org>
37
38 * interp.c (interrupt_names): Add const to pointer type.
39 (do_interrupt): Add const to interrupt_name.
40
3725885a
RW		 412010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
42
43 * configure: Regenerate.
44
d6416cdc
RW		 452009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
46
81ecdfbb
RW		 47 * config.in: Regenerate.
48 * configure: Likewise.
49
d6416cdc
RW		 50 * configure: Regenerate.
51
b5bd9624
HPN		 522008-07-11 Hans-Peter Nilsson <hp@axis.com>
53
54 * configure: Regenerate to track ../common/common.m4 changes.
55 * config.in: Ditto.
56
6efef468
JM		 572008-06-06 Vladimir Prus <vladimir@codesourcery.com>
58 Daniel Jacobowitz <dan@codesourcery.com>
59 Joseph Myers <joseph@codesourcery.com>
60
61 * configure: Regenerate.
62
c5fbc25b
DD		 632008-02-05 DJ Delorie <dj@redhat.com>
64
98e460c3
DD		 65 * simops.c (OP_1C007E0): Compensate for 64 bit hosts.
66 (OP_18007E0): Likewise.
67 (OP_2C007E0): Likewise.
68 (OP_28007E0): Likewise.
69 * v850.igen (divh): Likewise.
70
c5fbc25b
DD		 71 * simops.c (OP_C0): Correct saturation logic.
72 (OP_220): Likewise.
73 (OP_A0): Likewise.
74 (OP_660): Likewise.
75 (OP_80): Likewise.
76
77 * simops.c (OP_2A0): If the shift count is zero, clear the
78 carry.
79 (OP_A007E0): Likewise.
80 (OP_2C0): Likewise.
81 (OP_C007E0): Likewise.
82 (OP_280): Likewise.
83 (OP_8007E0): Likewise.
84
85 * simops.c (OP_2C207E0): Correct PSW flags for special divu
86 conditions.
87 (OP_2C007E0): Likewise, for div.
88 (OP_28207E0): Likewise, for divhu.
89 (OP_28007E0): Likewise, for divh. Also, sign-extend the correct
90 operand.
91 * v850.igen (divh): Likewise, for 2-op divh.
92
93 * v850.igen (bsh): Fix carry logic.
94
cb5c8c39
DJ		 952007-02-20 Daniel Jacobowitz <dan@codesourcery.com>
96
97 * Makefile.in (interp.o): Uncomment and update.
98
edc5d9ec
HPN		 992006-12-21 Hans-Peter Nilsson <hp@axis.com>
100
101 * acconfig.h: Remove.
102 * config.in: Regenerate.
103
e85e3205
RE		 1042006-06-13 Richard Earnshaw <rearnsha@arm.com>
105
106 * configure: Regenerated.
107
2f0122dc
DJ		 1082006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
109
110 * configure: Regenerated.
111
20e95c23
DJ		 1122006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
113
114 * configure: Regenerated.
115
2b193c4a
MK		 1162005-03-23 Mark Kettenis <kettenis@gnu.org>
117
118 * configure: Regenerate.
119
35695fd6
AC		 1202005-01-14 Andrew Cagney <cagney@gnu.org>
121
122 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
123 explicit call to AC_CONFIG_HEADER.
124 * configure: Regenerate.
125
f0569246
AC		 1262005-01-12 Andrew Cagney <cagney@gnu.org>
127
128 * configure.ac: Update to use ../common/common.m4.
129 * configure: Re-generate.
130
38f48d72
AC		 1312005-01-11 Andrew Cagney <cagney@localhost.localdomain>
132
133 * configure: Regenerated to track ../common/aclocal.m4 changes.
134
b7026657
AC		 1352005-01-07 Andrew Cagney <cagney@gnu.org>
136
137 * configure.ac: Rename configure.in, require autoconf 2.59.
138 * configure: Re-generate.
139
379832de
HPN		 1402004-12-08 Hans-Peter Nilsson <hp@axis.com>
141
142 * configure: Regenerate for ../common/aclocal.m4 update.
143
4389ce38
MK		 1442004-01-18 Mark Kettenis <kettenis@gnu.org>
145
146 * simops.c: Include <sys/types.h>.
147
c5ea1d53
NC		 1482003-09-05 Andrew Cagney <cagney@redhat.com>
149 Nick Clifton <nickc@redhat.com>
150
151 * interp.c (sim_open): Accept bfd_mach_v850e1.
152 * v850-dc: Add entry for v850e1.
153 * v850.igen: Add support for v850e1.
154 Add code for DBTRAP and DBRET instructions.
155 (dbtrap): Create a separate v850e1 specific instruction.
156 Only generate a trap if the target is not the v850e1.
157 Otherwise treat it as a special kind of branch.
158 (break): Mark as v850/v850e specific.
159
ae451ac6
ILT		 1602003-05-16 Ian Lance Taylor <ian@airs.com>
161
162 * Makefile.in (SHELL): Make sure this is defined.
163 (tmp-igen): Use $(SHELL) whenever we invoke move-if-change.
164
ebc115b7
NC		 1652003-04-06 Nick Clifton <nickc@redhat.com>
166
1eec9e33
NC		 167 * simops.c (OP_40): Delete. Move code to...
168 * v850-igen.c (): ...Here. Sign extend the first operand.
ebc115b7
NC		 169 * simops.h (OP_40): Remove prototype.
170
6b4a8935
AC		 1712003-02-27 Andrew Cagney <cagney@redhat.com>
172
173 * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
174
0da2b665
AC		 1752002-11-30 Andrew Cagney <cagney@redhat.com>
176
177 * simops.c: Use int, 1, 0 instead of boolean, true and false.
178 * sim-main.h: Ditto.
179
30458d39
JW		 1802002-09-27 Jim Wilson <wilson@redhat.com>
181
182 * simops.c (OP_E6077E0): And op1 with 7 after reading register, not
183 before.
184 (BIT_CHANGE_OP): Likewise.
185
2e8162ce
JW		 1862002-09-26 Jim Wilson <wilson@redhat.com>
187
188 * simops (OP_10007E0): Don't subtract 4 from PC.
189
5d6a173d
NC		 1902002-09-19 Nick Clifton <nickc@redhat.com>
191
192 * interp.c (sim_open): Remove reference to v850ea.
193 (sim_create_inferior): Likewise.
194 * v850-dc: Likewise.
195 * v850.igen: Remove all references to v850ea, including v850ea
196 specific instructions.
197
e551c257
NC		 1982002-08-29 Nick Clifton <nickc@redhat.com>
199
200 From 2001-08-23 Catherine Moore <clm@redhat.com>
201
202 * Makefile.in: Add gen-zero-r0 option.
203 * sim-main.h (GPR_SET, GPR_CLEAR): Define.
204 * simops.c (OP_24007E0): Sign extend the imm9
205 operand of a mul instruction.
206
d62274a3
AC		 2072002-06-17 Andrew Cagney <cagney@redhat.com>
208
209 * simops.c (trace_result): Fix printf formatting.
210
c8cca39f
AC		 2112002-06-16 Andrew Cagney <ac131313@redhat.com>
212
213 * configure: Regenerated to track ../common/aclocal.m4 changes.
214
7ef2d4e7
AC		 2152001-12-02 Andrew Cagney <ac131313@redhat.com>
216
217 * Makefile.in (simops.h, table.c): Delete targets.
218 (tmp-gencode, gencode.o, gencode): Delete targets.
219 (simops.h): New file.
220 ($(BUILT_SRC_FROM_IGEN)): Do not depend on simops.h.
221 * gencode.c: Delete file.
222
d4424ada
C		 2232001-04-15 J.T. Conklin <jtc@redback.com>
224
225 * Makefile.in (simops.o): Add simops.h to dependency list.
226
1e6cd159
AC		 2272001-03-14 Andrew Cagney <ac131313@redhat.com>
228
229 * Makefile.in (gencode): Link with libintl.
230
42acc51e
JL		 2312001-01-31 Jonathan Larmour <jlarmour@redhat.com>
232
233 * Makefile.in (gencode): Link with libopcodes in build tree rather
234 than building source files from there.
235
896ad910
NC		 2362000-05-30 Nick Clifton <nickc@cygnus.com>
237
238 * v850.igen: Remove illegal instruction pattern, since it is the
239 same as the breakpoint pattern.
240
eb2d80b4
AC		 241Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
242
243 * configure: Regenerated to track ../common/aclocal.m4 changes.
244
b9791fcd
FCE		 2452000-04-14 Gary Thomas <gthomas@redhat.com>
246
247 * v850.igen: Define 'br *' as illegal since this is the only
248 way to provide a breakpoint on some v850 family processors.
249
de616bc7
FCE		 2502000-03-24 Frank Ch. Eigler <fche@redhat.com>
251
252 * v850.igen (ilgop): New insn pattern for four-byte breakpoints.
253
d4f3574e
SS		 254Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
255
256 * configure: Regenerated to track ../common/aclocal.m4 changes.
257
cd0fc7c3
SS		 2581999-05-08 Felix Lee <flee@cygnus.com>
259
260 * configure: Regenerated to track ../common/aclocal.m4 changes.
261
c906108c
SS		 262Tue Dec 1 17:25:16 1998 Andrew Cagney <cagney@b1.cygnus.com>
263
264 * Makefile.in (NL_TARGET): Define as -DNL_TARGET_v850.
265
266Wed Nov 25 17:52:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
267
268 * Makefile.in (simops.o): Depends on targ-vals.h
269 * simops.c: Include targ-vals.h instead of
270 libgloss/.../syscall.h. Replace SYS_* with TARGET_SYS_*.
271 (divn, divun, OP_1C007E0, OP_18207E0, OP_1C207E0,OP_18007E0):
272 Replace signed long int with signed32.
273
274Fri Oct 9 18:02:25 1998 Doug Evans <devans@canuck.cygnus.com>
275
276 * interp.c: #include "itable.h".
277 (get_insn_name): New function.
278 (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
279 * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
280
281Wed May 6 19:43:27 1998 Doug Evans <devans@canuck.cygnus.com>
282
283 * sim-main.h (INSN_NAME): New arg `cpu'.
284
285Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
286
287 * configure: Regenerated to track ../common/aclocal.m4 changes.
288
289Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
290
291 * configure: Regenerated to track ../common/aclocal.m4 changes.
292 * config.in: Ditto.
293
294Sun Apr 26 15:19:14 1998 Tom Tromey <tromey@cygnus.com>
295
296 * acconfig.h: New file.
297 * configure.in: Reverted change of Apr 24; use sinclude again.
298
299Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
300
301 * configure: Regenerated to track ../common/aclocal.m4 changes.
302 * config.in: Ditto.
303
304Fri Apr 24 11:18:08 1998 Tom Tromey <tromey@cygnus.com>
305
306 * configure.in: Don't call sinclude.
307
308Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
309
310 * configure: Regenerated to track ../common/aclocal.m4 changes.
311 * sim-main.h (SIM_MAIN_H): Wrap header.
312
313Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
314
315 * configure: Regenerated to track ../common/aclocal.m4 changes.
316
317Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
318
319 * configure: Regenerated to track ../common/aclocal.m4 changes.
320
321Tue Mar 10 15:54:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
322
323 * interp.c (sim_stop): Delete, second attempt.
324
325Thu Feb 26 19:09:47 1998 Andrew Cagney <cagney@b1.cygnus.com>
326
327 * interp.c (sim_info): Delete.
328
329Wed Feb 18 10:47:32 1998 Andrew Cagney <cagney@b1.cygnus.com>
330
331 * sim-main.h (TRACE_ALU_INPUT*): Delete. Moved to sim-trace.[hc].
332
333 * simops.c (trace_result): Call trace_generic instead of
334 trace_one_insn.
335 (trace_module): Change variable type to integer.
336 (trace_input): Initialize trace_module with TRACE_ALU_IDX.
337
338 * sim-main.h (trace_module): Change variable decl to integer type.
339 (TRACE_BRANCH*, TRACE_LD, TRACE_ST): Update.
340
341Tue Feb 17 12:51:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
342
343 * interp.c (sim_store_register, sim_fetch_register): Pass in
344 length parameter. Return -1.
345
346Tue Feb 3 16:24:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
347
348 * sim-main.h (IMEM16, IMEM16_IMMED): Rename IMEM and
349 IMEM_IMMED. To match recent igen change.
350
351Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
352
353 * configure: Regenerated to track ../common/aclocal.m4 changes.
354
355Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
356
357 * configure: Regenerated to track ../common/aclocal.m4 changes.
358
359Fri Jan 30 09:51:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
360
361 * sim-main.h (CPU_CIA): Delete, replaced by.
362 (CIA_SET, CIA_SET): Define.
363
364Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
365
366 * configure: Regenerated to track ../common/aclocal.m4 changes.
367
368Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
369
370 * configure: Regenerated to track ../common/aclocal.m4 changes.
371 * config.in: Ditto.
372
373Fri Dec 5 09:26:08 1997 Nick Clifton <nickc@cygnus.com>
374
375 * v850.igen: Revert break value back to its old value.
376
377Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
378
379 * configure: Regenerated to track ../common/aclocal.m4 changes.
380
381Wed Dec 3 17:27:19 1997 Nick Clifton <nickc@cygnus.com>
382
383 * v850.igen: Make break have a zero first field, since otherwise
384 it clashes with the DIVH instruction.
385
386Sat Nov 22 21:32:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
387
388 * simops.c (OP_10007E0): Rename SIGABRT -> SIM_SIGABRT. Give
389 sim_stopped instead of sim_signalled.
390
391 * v850.igen (BREAK), simops.c (OP_12007E0): Rename SIGTRAP to
392 SIM_SIGTRAP.
393 (illegal): Rename SIGILL to SIM_SIGILL.
394
395 * sim-main.h, simops.c, interp.c: Do not include signal.h.
396
397 * sim-main.h: Include sim-signal.h instead of signal.h.
398 (SIGTRAP, SIGQUIT): Delete definition.
399 (SIG_V850_EXIT): Delete definition.
400
401Tue Nov 18 15:33:48 1997 Doug Evans <devans@canuck.cygnus.com>
402
403 * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
404
405Fri Oct 31 10:33:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
406
407 * interp.c (sim_open): Check state magic number.
408 (sim-assert.h): Include.
409
410Tue Oct 28 11:06:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
411
412 * v850.igen: Add model filter field to records.
413
414Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
415
416 * configure: Regenerated to track ../common/aclocal.m4 changes.
417
418Fri Sep 26 11:56:02 1997 Felix Lee <flee@cygnus.com>
419
420 * sim-main.h: delete null override of SIM_ENGINE_HALT_HOOK and
421 SIM_ENGINE_RESTART_HOOK.
422
423Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
424
425 * configure: Regenerated to track ../common/aclocal.m4 changes.
426
427Wed Sep 24 17:28:26 1997 Andrew Cagney <cagney@b1.cygnus.com>
428
429 * sim-main.h (WITH_TARGET_WORD_MSB): Delete.
430
431 * configure.in (SIM_AC_OPTION_BITSIZE): Specify 32 bit
432 architecture with MSB == 31.
433
434Wed Sep 24 14:04:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
435
436 * v850.igen: Make divh insn with RRRRR==0 breakpoint.
437
438Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
439
440 * configure: Regenerated to track ../common/aclocal.m4 changes.
441
442Tue Sep 23 10:19:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
443
444 * Makefile.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
445 SIM_HOSTENDIAN, SIM_RESERVED_BITS): Delete, moved to common.
446 (SIM_EXTRA_CFLAGS): Update.
447
448Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
449
450 * configure: Regenerated to track ../common/aclocal.m4 changes.
451 * configure.in: Really specify NONSTRICT_ALIGNMENT as the default.
452
453Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
454
455 * configure.in: Specify NONSTRICT_ALIGNMENT as the default.
456 * configure: Regenerated to track ../common/aclocal.m4 changes.
457
458Fri Sep 19 10:37:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
459
460 * v850.igen (disp16): Use EXTEND16 to sign extend disp.
461 (disp22): Only shift left by 1, not 2.
462 ("jmp"): Ensure PC is 2 byte aligned.
463
464 * simops.c, v850.igen: Move "Bcond", "jr", "jarl" code to
465 v850.igen. Fix tracing.
466
467 * simops.c (OP_300, OP_400, OP_500): Move "sdl.b", "sld.h",
468 "sld.w" insns to v850.igen. Fix tracing.
469 (OP_70): Ditto for "sld.hu".
470
471 * v850.igen: Clarify tracing of "sld.b", "sld.h" et.al.
472
473 * simops.c (condition_met): Make global.
474
475 * sim-main.h (TRACE_ALU_INPUT3, TRACE_BRANCH0, TRACE_LD,
476 TRACE_ST): Define.
477 (TRACE_LD_NAME): Define.
478
479 * simops.c: Move "cmov", "cmov imm" to v850.igen, fix.
480
481Wed Sep 17 16:21:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
482
483 * simops.c: Move "mov", "reti", to v850.igen, fix tracing.
484
485 * interp.c (hash): Delete.
486
487 * v850.igen (nop): Really do nothing.
488
489 * interp.c (do_interrupt): Mask interrupts after PSW is saved, not
490 before.
491 * v850.igen (reti): Return to current PC not previous.
492
493Wed Sep 17 14:02:10 1997 Andrew Cagney <cagney@b1.cygnus.com>
494
495 * simops.c: Move "ctret", "bsw", "hsw" to v850.igen, fix tracing.
496 (trace_module): Global, save component/module name across insn.
497
498 * simops.c: Move "bsh" to v850.igen, fix.
499
500 * v850.igen (callt): Load correct number of bytes. Fix tracing.
501 (stsr, ldsr): Correct src, dest fields. Fix tracing.
502 (ctret): Force alignment. Fix tracing.
503
504Tue Sep 16 22:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
505
506 * simops.c (trace_output): Add result argument.
507 (trace_result): New function. Simpler version of trace_output,
508 assumes trace needed.
509 (trace_output): Call trace_result.
510 (trace_output): For IMM_REG_REG, trace correct register.
511 (trace_input): Add case for 16bit immediates.
512 (OP_600, OP_640, OP_680, OP_6C0, OP_6A0): Use.
513
514 * sim-main.h (TRACE_ALU_INPUT, TRACE_ALU_RESULT): Define.
515 (trace_values, trace_name, trace_pc, trace_num_values): Make
516 global.
517 (GR, SR): Define.
518
519 v850.insn (movea, stsr): Use.
520 (sxb, sxh, zxb, zxh): Ditto.
521
522Tue Sep 16 21:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
523
524 * simops.c: Move "movea" from here.
525 * v850.igen: To here.
526
527 * v850.igen (simm16): Define, sign extend imm16.
528 (uimm16): Define, no sign extension.
529 (addi, andi, movea, movhi, mulhi, ori, satsubi, xori): Use.
530
531 * simops.c: Move "sxh", "switch", "sxb", "callt", "dispose",
532 "mov32" from here.
533 * v850.igen: To here.
534 (switch): Fix off by two error in NIA calc.
535
536Tue Sep 16 15:14:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
537
538 * simops.c (trace_pc, trace_name, trace_values, trace_num_values):
539 New static globals.
540 (trace_input): Just save pc, name and values for trace_output.
541 (trace_output): Write trace values to a buffer. Use
542 trace_one_insn to print trace info and buffer.
543 (SIZE_OPERANDS, SIZE_LOCATION): Delete.
544
545Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
546
547 * sim-main.h (struct _sim_cpu): Add psw_mask so that reserved bits
548 can be masked out.
549
550 * simops.c (OP_2007E0, OP_4007E0): Move "ldsr", "stsr"
551 instructions from here.
552 * v850.igen (ldsr, stsr): To here. Mask out reserved bits when
553 setting PSW.
554
555 * interp.c (sim_open): Set psw_mask if machine known.
556
557Tue Sep 16 10:20:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
558
559 * v850-dc: Add rule to diferentiate between breakpoint and divh.
560 * v850.igen (break): New instruction, breakpoint simulator.
561 * v850.igen (breakpoint): Enable. Change to a 32bit instruction.
562
563Mon Sep 15 18:44:05 1997 Jim Wilson <wilson@cygnus.com>
564
565 * simops.c (Multiply64): Don't store into register zero.
566
567Tue Sep 16 09:02:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
568
569 * Makefile.in (semantics.o): Add dependency.
570
571 * sim-main.h (SAVE_1, SAVE_2): Perform backward compatible save,
572 do not adjust CIA/NIA.
573
574Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
575
576 * simops.c (OP_300, OP_400, OP_70): Make behavour depend on PSW[US].
577
578 * simops.c: Move "divun", "sld.bu", "divhn", "divhun", "divn",
579 "divun", "pushml" code from here to v850.igen.
580 (divun): Make global.
581 (type3_regs): Make global
582
583 * v850.igen: Move simops.c code to here.
584
585 * interp.c (sim_create_inferior): For v850eq set US bit by
586 default.
587
588 * interp.c (sim_open): Don't set arch, now set by
589 sim_analyze_program.
590
591 * configure: Regenerated to track ../common/aclocal.m4 changes.
592
593Mon Sep 15 14:39:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
594
595 * simops.c (op_types): Move from here.
596 sim-main.h: To here.
597
598 * sim-main.h (trace_input, trace_output), simops.c: Make global.
599
600 * simops.c (OP_60): Move "jmp" code from here.
601 * v850.igen (jmp): To here.
602
603 * simops.c (OP_60): Move "sld.bu" code from here.
604 * v850.igen (sld.bu): To here.
605
606Fri Sep 12 15:11:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
607
608 * v850.igen (prepare, ...): Add to v850eq architecture.
609
610 * interp.c (sim_open): Default to v850eq.
611
612 * interp.c (sim_open): Default to v850e.
613 * sim-main.h (signal.h): Include.
614
615 * v850.igen (illegal): Report/halt illegal instructions.
616
617 * Makefile.in (SIM_EXTRA_CFLAGS): Add SIM_RESERVED_BITS.
618
619 * configure.in: Add reserved bits option.
620 * configure: Regenerate.
621
622Thu Sep 11 08:40:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
623
624 * interp.c (sim_open): Use sim_do_commandf instead of asprintf.
625
626 * sim-main.h (INSN_NAME):
627
628 * Makefile.in (INCLUDE): Add SIM_EXTRA_DEPS.
629 (SIM_EXTRA_DEPS): Add itable.h
630 (tmp-gencode): Does not depend on simops.h
631
632 * sim-main.h (itable.h): Include.
633 (MAX_INSNS, INSN_NAME): Define.
634
635 * interp.c: Compute inttype from the interrupt_names index that
636 was passed in.
637
638Wed Sep 10 10:25:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
639
640 * simops.c (trace_input): Use trace_printf instead of
641 sim_io_printf.
642 (trace_output): Ditto.
643 (trace_input): Only trace when TRACE_ALU_P. Delete code
644 disasembling instruction.
645 (trace_output): Only trace when TRACE_ALU_P.
646
647Tue Sep 9 01:29:50 1997 Andrew Cagney <cagney@b1.cygnus.com>
648
649 * simops.c (trace_input, trace_output): Use sim_io_printf.
650 (OP_620): Pass correct argument to trace.
651 (OP_E607E0): Ditto.
652 (trace_input): Obtain prog_bfd, text_start et.al from simulator
653 struct.
654
655Mon Sep 8 21:03:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
656
657 * v850.igen: New file.
658 * v850-dc: New file.
659
660Mon Sep 8 18:33:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
661
662
663 * sim-main.h (SEXT16): Delete, use EXTEND16.
664 (SEXT8): Delete, use EXTEND8.
665 (SEXT32): Delete, used?
666 (SEXT40, SEXT44, SEXT64): Use UNSIGNED64 for constants, not ...LL.
667 (WITH_TARGET_WORD_MSB): Define as 31. v850 little bit endian.
668
669 * simops.c: Use EXTEND15 from sim-bits instead of SEXT16.
670
671 * sim-main.h (DEBUG_TRACE, DEBUG_VALUES, v850_debug): Delete,
672 replace with TRACE_INSN_P and TRACE_ALU_P.
673
674 * simops.c (trace_input, trace_output): Update.
675
676 * interp.c (sim_engine_run): Delete.
677 (lookup_hash): Delete.
678 (sim_open): Do not fill hash table.
679 (sim_trace): Delete.
680
681Fri Sep 5 17:04:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
682
683 * simops.c (OP_FFFF): Use sim_engine_halt.
684 (OP_12007E0): Ditto.
685 (OP_10007E0): Ditto.
686
687 * sim-main.h (struct sim_cpu): Delete member exception. Using
688 sim-engine et.al.
689
690 * interp.c (sim_info): Do not do anything in sim-info.
691 (sim_stop): Delete, replace with sim-stop.
692 (sim_stop_reason): Delete, replace with sim-reason.
693
694 * sim-main.h (WITH_WATCHPOINTS): Define.
695 (WITH_MODULO_MEMORY): Define
696
697 * Makefile.in (SIM_OBJS): Add sim-resume, sim-watch, sim-stop,
698 sim-reason.
699
700 * interp.c (enum interrupt_cond_type): Delete.
701 (struct interrupt_generator): Delete.
702 (enum interrupt_type): Drop int_none.
703 (sim_open): Initialize WATCHPOINT module.
704 (sim_resume, sim_run): Rename sim_resume to sim_run.
705 (sim_engine_run): Replace interrupt code with call to sim-events.
706 (sim_set_interrupt): Delete.
707 (sim_parse_number): Delete.
708
709Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
710
711 * configure: Regenerated to track ../common/aclocal.m4 changes.
712
713Thu Sep 4 18:11:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
714
715 * simops.c (fetch_argv): New function, fetch a arg vector from
716 simulator memory.
717
718 * configure.in: Check for fork, execve, execv.
719 * configure: Regenerate.
720
721 * interp.c (sim_store_register, sim_fetch_register): Use H2T_4 and
722 T2H_4 for byte swapping.
723
724 * sim-main.h, interp.c (get_word, get_half, get_byte, put_word,
725 put_half, put_byte): Delete.
726
727 * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
728
729 * sim-main.h (load_mem, store_mem): Redefine as macros.
730 (IMEM, IMEM_IMMED): New macros - fetch instructions.
731
732 * simops.c (OP_10007E0): For SYS_read, SYS_write, SYS_open
733 transfer data via a buffer.
734 (fetch_str): New function, fetch string from memory.
735
736 * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
737
738 * interp.c (sim_open): Establish memory maps using sim-memopt.c
739 via sim_do_command.
740 (sim_do_command): Print error if memory-map command is used. Call
741 sim_args_command.
742 (map): Delete, replaced by sim-core.
743 (sim_memory_init): Delete, replaced by sim-core.
744 (sim_set_memory_map): Delete, replaced by sim-memopt.
745 (load_mem): Delete, replaced by sim-core.
746 (store_mem): Delete, replaced by sim-core.
747 (sim_write): Delete, replaced by sim-hrw.
748 (sim_read): Delete, replaced by sim-hrw.
749
750 * sim-main.h (struct sim_state): Remove memory members, using
751 sim-core.c
752
753Wed Sep 3 10:18:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
754
755 * sim-main.h: Replace SIM_HAVE_FLATMEM with mem ptr.
756 * interp.c (map): Do not add to a void pointer.
757
758 * Makefile.in (INCLUDE): Add sim-main.h
759
760 * configure.in: Check for time.h
761 * configure: Re-generate.
762
763 * interp.c (struct interrupt_generator): Make time unsigned long,
764 address SIM_ADDR.
765 (sim_resume): Make oldpc SIM_ADDR.
766 (struct hash_entry): Make mask/opcode unsigned.
767
768 * v850_sim.h (struct simops ): Make opcode and mask unsigned.
769
770 * simops.c (utime.h): Include if available.
771 (OP_10007E0): Check for UTIME function.
772 (divun): Put parentheses around shift argument.
773 (OP_640): Put parentheses around shift argument, was wrong.
774 (OP_107F0): Return something.
775
776 * interp.c (sim_parse_number): Use strtoul not strtol.
777 (sim_resume): Use sim_elapsed_time_get to keep track of the time.
778
779 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
780 (SIM_AC_OPTION_ENDIAN): Set to hardwired big.
781 (SIM_AC_OPTION_HOST_ENDIAN): Add.
782 (AC_CHECK_FUNCS): Add utime.
783 (AC_CHECK_HEADERS): Add stdlib.h, string.h, strings.h, utime.h
784 configure: Regenerate.
785
786
787 * Makefile.in (SIM_RUN_OBJS): Use nrun.o.
788 (SIM_OBJS): Add sim-io.o, sim-hload.o, sim-utils.o, sim-options.o,
789 sim-config.o, sim-module.o, sim-events.o, sim-core.o,
790 sim-endian.o, sim-engine.o, sim-trace.o, sim-profile.o
791 (SIM_ENDIAN, SIM_WARNGINS): Define.
792
793 * simops.c (OP_10007E0): Use sim_io_* for transfers.
794
795 * interp.c (sim_resume): Pass sd around.
796
797 * simops.c (sim-main.h): Include.
798
799 * gencode.c (write_template): Generate #include sim-main.h.
800 (write_opcodes): Ditto.
801
802 * interp.c (prog_bfd, prog_bfd_was_opened_p): Delete.
803 (v850_callback): Ditto.
804 (sim_kind, myname): Ditto.
805 (lookup_hash): Pass SD. Use sim_io_error.
806 (sim_set_memory_map): Pass in SD, use.
807 (init_system): Pass in SD, use.
808 (sim_open): Update.
809 (sim_set_profile): Delete.
810 (sim_set_profile_size): Delete.
811 (do_interrupt): Pass in SD, use.
812 (sim_info): Use sim_io_printf.
813 (sim_create_inferior): Reset registers. Set PC from prog_bfd
814 argument.
815 (sim_load): Delete, use common/sim-hload.c
816 (sim_size): Rename to sim_memory_init.
817 (sim_write): Remove call to init_system.
818 (init_system): Delete.
819 (sim_set_callbacks): Delete.
820 (sim_set_interrupt): Pass in SD, use.
821 (start_time): Delete.
822
823 * v850_sim.h: Remove everything except `struct simops' from here.
824 * sim-main.h: Move most to here.
825 * gencode.c: Move #includes to here.
826
827 * sim-main.h(struct _sim_cpu): Rename struct _state.
828 (#define PC, et.al.): Update
829 (v850_callback): Delete. Replaced with SIM_DESC arg.
830 (int8, uint8, int16, uint16, int32, uint32): Define types using
831 unsigned8 et.al from common/sim-types.h.
832 * sim-main.h (State): Define as STATE_CPU.
833
834Mon Sep 1 12:07:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
835
836 * configure.in: Check for time, chmod.
837 * configure: Regenerate.
838 * simops.c (SYS_time, SYS_chmod): Use HAVE_TIME, HAVE_CHMOD.
839
840 * simops.c (../../libgloss/v850/sys/syscall.h): Include instead of
841 sys/syscall.h.
842 (OP_10007E0): Check the existance each SYS_* macro independantly.
843
844 * v850_sim.h (SIGQUIT, SIGTRAP): Only define if missing.
845
846Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
847
848 * configure: Regenerated to track ../common/aclocal.m4 changes.
849 * config.in: Ditto.
850
851Tue Aug 26 10:42:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
852
853 * interp.c (sim_kill): Delete.
854 (sim_create_inferior): Add ABFD argument.
855 (sim_load): Move setting of PC from here.
856 (sim_create_inferior): To here.
857
858Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
859
860 * configure: Regenerated to track ../common/aclocal.m4 changes.
861 * config.in: Ditto.
862
863Mon Aug 25 11:31:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
864
865 * interp.c (sim_open): Add ABFD argument.
866
867Fri Aug 22 10:39:28 1997 Nick Clifton <nickc@cygnus.com>
868
869 * simops.c (bsh): Only set CY flag if either of the bottom
870 bytes is zero.
871
872 * simops.c (prepare, dispose): Lower numbered
873 registers go to higher numbered address.
874
875 * simops.c (unsigned divide instructions): S bit set if result has
876 top bit set.
877
878 * simops.c (pushml, pushmh, popml, popmh): Lower numbered
879 registers go to higher numbered address.
880
881Wed Aug 20 13:56:35 1997 Nick Clifton <nickc@cygnus.com>
882
883 * simops.c (OP_107E0, OP_107F0, OP_307E0, OP_307F0): Use correct
884 interpretation of SR bit in list18 structure.
885 (divn, divun): New functions to perform N step divide functions.
886
887Mon Aug 18 10:59:02 1997 Nick Clifton <nickc@cygnus.com>
888
889 * simops.c (OP_300, OP_400, OP_60, OP_70): Support variant opcodes
890 with US bit set in the PSW.
891
892Wed Aug 13 19:06:55 1997 Nick Clifton <nickc@cygnus.com>
893
894 * interp.c (sim_resume): Opcode functions return amount to be
895 added to PC and all opcodes take a standard format in the OP[]
896 array.
897
898 (do_format_*): Functions removed.
899
900 * v850_sim.h (SP, EP): New register mnemonics.
901
902 * gencode.c (write_header): Functions prototypes return an
903 integer.
904
905 * simops.c: Opcode functions return amount to be added to PC.
906
907 * v850_sim.h (CTPC, CTPSW, CTBP): New register mnemonics.
908
909 * simops.c: Add support for v850e instructions.
910
911 * simops.c: Add support for v850eq instructions.
912
913Tue May 20 10:24:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
914
915 * interp.c (sim_open): Add callback argument.
916 (sim_set_callbacks): Delete SIM_DESC argument.
917
918Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
919
920 * configure: Regenerated to track ../common/aclocal.m4 changes.
921
922Wed Apr 23 17:20:16 1997 Doug Evans <dje@canuck.cygnus.com>
923
924 * interp.c (prog_bfd_was_opened_p): New static local.
925 (prog_bfd): New global variable.
926 (sim_open): Undo patch to add -E support.
927 (sim_close): Close prog_bfd if sim_load opened it.
928 (sim_load): Record bfd of loaded file in prog_bfd.
929 * simops.c (prog_bfd): Renamed from exec_bfd.
930
931Fri Apr 18 14:17:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
932
933 * interp.c (sim_stop): Stub function.
934
935Thu Apr 17 03:53:18 1997 Doug Evans <dje@canuck.cygnus.com>
936
937 * Makefile.in (SIM_OBJS): Add sim-load.o.
938 * interp.c (sim_kind, myname): New static locals.
939 (sim_open): Set sim_kind, myname. Ignore -E arg.
940 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
941 load file into simulator. Set start address from bfd.
942 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
943
944Wed Apr 16 19:53:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
945
946 * simops.c (OP_10007E0): Only provide system calls SYS_execv,
947 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
948
949Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
950
951 * configure: Regenerated to track ../common/aclocal.m4 changes.
952 * config.in: Ditto.
953
954Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
955
956 * interp.c (sim_open): New arg `kind'.
957
958 * configure: Regenerated to track ../common/aclocal.m4 changes.
959
960Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
961
962 * configure: Regenerated to track ../common/aclocal.m4 changes.
963
964Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
965
966 * configure: Regenerated to track ../common/aclocal.m4 changes.
967
968Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
969
970 * configure: Re-generate.
971
972Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
973
974 * configure: Regenerate to track ../common/aclocal.m4 changes.
975
976Thu Mar 13 13:00:54 1997 Doug Evans <dje@canuck.cygnus.com>
977
978 * interp.c (sim_open): New SIM_DESC result. Argument is now
979 in argv form.
980 (other sim_*): New SIM_DESC argument.
981
982Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
983
984 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
985 COMMON_{PRE,POST}_CONFIG_FRAG instead.
986 * configure.in: sinclude ../common/aclocal.m4.
987 * configure: Regenerated.
988
989Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
990
991 * configure configure.in Makefile.in: Update to new configure
992 scheme which is more compatible with WinGDB builds.
993 * configure.in: Improve comment on how to run autoconf.
994 * configure: Re-run autoconf to get new ../common/aclocal.m4.
995 * Makefile.in: Use autoconf substitution to install common
996 makefile fragment.
997
998Mon Jan 20 16:05:34 1997 Michael Meissner <meissner@tiktok.cygnus.com>
999
1000 * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
1001 not zero extend.
1002
1003Tue Jan 14 17:06:03 1997 Stu Grossman (grossman@critters.cygnus.com)
1004
1005 * simops.c: Put ifdefs around things to make MSVC happy. Get rid
1006 of unistd.h. Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
1007 SYS_gettimeofday and SYS_utime from MSVC.
1008
1009Tue Dec 31 18:11:13 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1010
1011 * simops.c (OP_10007E0): Know that kill encodes the signal number
1012 via: 0xdead0000 | signal and turn it back into a signal.
1013
1014Fri Dec 27 14:44:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1015
1016 * v850_sim.h (SIG_V850_EXIT): Define as -1.
1017
1018 * interp.c (sim_open): Cast calloc function.
1019 (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
1020 program exited with the appropriate exit code.
1021 (sim_set_interrupt): Declare buildargv.
1022
1023 * simops.c (OP_10007E0): Make exit signal normal exit. Make time
1024 type correct and work on big endian systems.
1025
1026Wed Nov 20 02:18:44 1996 Doug Evans <dje@canuck.cygnus.com>
1027
1028 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
1029 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
1030 * configure.in: Simplify using macros in ../common/aclocal.m4.
1031 Call AC_CHECK_HEADERS(unistd.h).
1032 * configure: Regenerated.
1033 * config.in: New file.
1034 * simops.c: #include "config.h". #include <unistd.h> if present.
1035
1036Sun Nov 3 23:02:54 1996 Stan Shebs <shebs@andros.cygnus.com>
1037
1038 * v850_sim.h (State): New slots dummy_mem, pending_nmi.
1039 (EIPC, etc): New macros for system registers.
1040 * simops.c, interp.c: Use everywhere.
1041
1042 * interp.c: Add support for interrupts issued by interrupt
1043 generators, either PC- or time-based. Controlled by simulator
1044 command "sim interrupt".
1045
1046 * interp.c: Add support for variable-size allocation of memory,
1047 via simulator command "sim memory-map".
1048 (map): Issue SIGSEGV for references to invalid memory regions.
1049
1050Thu Oct 31 14:44:10 1996 Gavin Koch <gavin@cygnus.com>
1051
1052 * simops.c: Include <sys/time.h> for struct timeval and
1053 struct timezone.
1054
1055Wed Oct 30 08:49:10 1996 Jeffrey A Law (law@cygnus.com)
1056
1057 * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
1058
1059 * simops.c (OP_10007E0): Handle SYS_time.
1060
1061Tue Oct 29 14:22:55 1996 Jeffrey A Law (law@cygnus.com)
1062
1063 * simops.c: Include <sys/stat.h>.
1064 (OP_10007E0): Handle SYS_stat.
1065
1066Thu Oct 24 12:26:35 1996 Jeffrey A Law (law@cygnus.com)
1067
1068 * simops.c (OP_10007E0): Don't declare errno.
1069
1070 * simops.c (OP_500): Mask off low bit in displacement
1071 for sld.w.
1072 (OP_501): Similarly.
1073
1074 * simops.c (OP_500): Fix displacement handling for sld.w.
1075 (OP_501): Similarly for sst.w.
1076
1077 * simops.c (trace_input): Remove all references to SEXT7.
1078 (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
1079 is zero extended for sst/sld instructions.
1080 * v850_sim.h (SEX7): Delete. It's no longer needed (and it
1081 was incorrect anyway).
1082
1083Thu Oct 24 10:33:33 1996 Stu Grossman (grossman@critters.cygnus.com)
1084
1085 * Makefile.in: Get rid of srcroot. Set all INSTALL macros via
1086 autoconf.
1087 * gencode.c (write_opcodes): Pad operands field to account for
1088 MSVC braindamage.
1089 * simops.c: Include errno.h. Exclude SYS_chown, since MSVC
1090 doesn't support it. (Why is this here in the first place?!?)
1091 * v850_sim.h: Get rid of 64 bit defs. Also, get rid of #elif's.
1092 Change number of operands in struct simops from 9 to 6. Define
1093 SIGTRAP and SIGQUIT for MSVC.
1094
1095Tue Oct 15 16:19:51 1996 Stu Grossman (grossman@critters.cygnus.com)
1096
1097 * interp.c (MEM_SIZE): It's now bytes, not a power of 2.
1098 * (map): Add support for external mem in the 1->2 meg range.
1099 Also, abort() when memory access is way out of bounds. (Better to
1100 die than to give wrong result. (This will be fixed later.))
1101 * (sim_size): MEM_SIZE is now bytes, not shift factor.
1102
1103Tue Oct 1 15:53:24 1996 Gavin Koch <gavin@cygnus.com>
1104
1105 * simops.c (trace_input): Swapped order of operands for output
1106 output of OP_IMM_REG. Changed the fetching of the operands for
1107 OP_LOAD32, and OP_STORE32 to work like op-function.
1108
1109Mon Sep 30 15:46:33 1996 Stu Grossman (grossman@critters.cygnus.com)
1110
1111 * interp.c: Move includes of remote-sim.h and callback.h to
1112 v850-sim.h.
1113 * (lookup_hash): Add PC to report of hash failure.
1114 * (map load_mem store_mem): New memory subsystem. Models V851
1115 memory system.
1116 * (sim_write sim_read): Use new memory subsystem.
1117 * (sim_resume): Don't load and save PC into EIPC anymore. Needed
1118 to make user-defined traps work right.
1119 * simops.c (OP_*): Use new memory subsystem.
1120 * (OP_14007E0 (reti)): Implement reti.
1121 * (OP_14996E0 (trap)): Implement user-defined traps. Move I/O to
1122 trap 31. Use new memory subsystem.
1123 * v850_sim.h: Prototypes for load_mem, store_mem and map. Use
1124 load_mem in RLW macro.
1125
1126Fri Sep 27 18:34:09 1996 Stu Grossman (grossman@critters.cygnus.com)
1127
1128 * gencode.c (write_opcodes): Output hex values for opcode mask
1129 and patterns.
1130 * interp.c (sim_resume): Save and restore PC from the appropriate
1131 register.
1132 * (sim_fetch_register sim_store_register): Fix byte-order problem
1133 with reading and writing registers.
1134 * simops.c (OP_FFFF): Implement pseudo-breakpoint insn.
1135
1136Fri Sep 27 17:42:37 1996 Jeffrey A Law (law@cygnus.com)
1137
1138 * simops.c (trace_input): Fix thinko.
1139
1140Wed Sep 18 09:54:12 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1141
1142 * simops.c (exec_bfd): Rename from sim_bfd.
1143 (trace_input): Ditto.
1144
1145Thu Sep 12 12:03:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1146
1147 * simops.c (trace_input): Use find_nearest_line to print line
1148 number, function name or file name of PC.
1149
1150Wed Sep 11 16:44:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1151
1152 * simops.c: Add tracing support. Use SEXTxx macros instead of
1153 doing hardwired shifts.
1154
1155 * configure.in (--enable-sim-cflags): Add switch to add additional
1156 flags to simulator buld. If --enable-sim-cflags=trace, turn on
1157 tracing.
1158 * configure: Regenerate.
1159
1160 * Makefile.in: Don't require a VPATH capable make if configuring
1161 in the same directory. Don't use CFLAGS for configuration flags.
1162 Add flags from --enable-sim-cflags. Support canadian cross
1163 builds. Rebuild whole simulator if include files change.
1164
1165 * interp.c (v850_debug): New global for debugging.
1166 (lookup_hash,sim_size,sim_set_profile): Use
1167 printf_filtered callback, instead of calling printf directly.
1168 (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
1169
1170 * v850_sim.h: Use limits.h to set the various sized types.
1171 (SEXT{5,7,16,22}): New macros.
1172
1173Mon Sep 9 20:50:46 1996 Jeffrey A Law (law@cygnus.com)
1174
1175 * interp.c (hash): Make this an inline function
1176 when compiling with GCC. Simplify.
1177 * simpos.c: Explicitly include "sys/syscall.h". Remove
1178 some #if 0'd code. Enable more emulated syscalls.
1179
1180Wed Sep 4 01:48:55 1996 Jeffrey A Law (law@cygnus.com)
1181
1182 * interp.c: Fix sign bit handling for add and sub instructions.
1183
1184Tue Sep 3 10:20:30 1996 Jeffrey A Law (law@cygnus.com)
1185
1186 * gencode.c: Fix various indention & style problems.
1187 Remove test code. Remove #if 0 code.
1188 * interp.c: Provide prototypes for all static functions.
1189 Fix minor indention problems.
1190 (sim_open, sim_resume): Remove unused variables.
1191 (sim_read): Return type is "int".
1192 * simops.c: Remove unused variables.
1193 (divh): Make result of divide-by-zero zero.
1194 (setf): Initialize result to keep compiler quiet.
1195 (sar instructions): These just clear the overflow bit.
1196 * v850_sim.h: Provide prototypes for put_byte, put_half
1197 and put_word.
1198
1199 * interp.c: OP should be an array of 32bit operands!
1200 (v850_callback): Declare.
1201 (do_format_5): Fix extraction of OP[0].
1202 (sim_size): Remove debugging printf.
1203 (sim_set_callbacks): Do something useful.
1204 (sim_stop_reason): Gross hacks to get c-torture running.
1205 * simops.c: Simplify code for computing targets of bCC
1206 insns. Invert 's' bit if 'ov' bit is set for some
1207 instructions. Fix 'cy' bit handling for numerous
1208 instructions. Make the simulator stop when a halt
1209 instruction is encountered. Very crude support for
1210 emulated syscalls (trap 0).
1211 * v850_sim.h: Include "callback.h" and declare
1212 v850_callback. Items in the operand array are 32bits.
1213
1214Sun Sep 1 22:35:35 1996 Jeffrey A Law (law@cygnus.com)
1215
1216 * interp.c (sim_resume): Fix code to check for a format 3
1217 opcode.
1218 * simops.c: bCC insns only argument is a constant, not a
1219 register value (duh...)
1220
1221Fri Aug 30 10:33:49 1996 Jeffrey A Law (law@cygnus.com)
1222
1223 * simops.c: Fix "not1" and "set1".
1224
1225 * simops.c: Don't forget to initialize temp for
1226 "ld.h" and "ld.w"
1227
1228 * interp.c: Remove various debugging printfs.
1229
1230 * simops.c: Fix satadd, satsub boundary case handling.
1231
1232 * interp.c (hash): Fix.
1233 * interp.c (do_format_8): Get operands correctly and
1234 call the target function.
1235 * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
1236
1237Thu Aug 29 13:53:29 1996 Jeffrey A Law (law@cygnus.com)
1238
1239 * interp.c (do_format_4): Get operands correctly and
1240 call the target function.
1241 * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
1242 "sst.h", and "sst.w".
1243
1244 * v850_sim.h: The V850 doesn't have split I&D spaces. Change
1245 accordingly. Remove many unused definitions.
1246 * interp.c: The V850 doesn't have split I&D spaces. Change
1247 accordingly.
1248 (get_longlong, get_longword, get_word): Deleted.
1249 (write_longlong, write_longword, write_word): Deleted.
1250 (get_operands): Deleted.
1251 (get_byte, get_half, get_word): New functions.
1252 (put_byte, put_half, put_word): New functions.
1253 * simops.c: Remove unused functions. Rough cut at
1254 "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
1255
1256 * v850_sim.h (struct _state): Remove "psw" field. Add
1257 "sregs" field.
1258 (PSW): Remove bogus definition.
1259 * simops.c: Change condition code handling to use the psw
1260 register within the sregs array. Handle "ldsr" and "stsr".
1261
1262 * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
1263
1264 * interp.c (do_format_5): Get operands correctly and
1265 call the target function.
1266 (sim_resume): Don't do a PC update for format 5 instructions.
1267 * simops.c: Handle "jarl" and "jmp" instructions.
1268
1269 * simops.c: Fix minor typos. Handle "cmp", "setf", "tst"
1270 "di", and "ei" instructions correctly.
1271
1272 * interp.c (do_format_3): Get operands correctly and call
1273 the target function.
1274 * simops.c: Handle bCC instructions.
1275
1276 * simops.c: Add condition code handling to shift insns.
1277 Fix minor typos in condition code handling for other insns.
1278
1279 * Makefile.in: Fix typo.
1280 * simops.c: Add condition code handling to "sub" "subr" and
1281 "divh" instructions.
1282
1283 * interp.c (hash): Update to be more accurate.
1284 (lookup_hash): Call hash rather than computing the hash
1285 code here.
1286 (do_format_1_2): Handle format 1 and format 2 instructions.
1287 Get operands correctly and call the target function.
1288 (do_format_6): Get operands correctly and call the target
1289 function.
1290 (do_formats_9_10): Rough cut so shift ops will work.
1291 (sim_resume): Tweak to deal with format 1 and format 2
1292 handling in a single funtion. Don't update the PC
1293 for format 3 insns. Fix typos.
1294 * simops.c: Slightly reorganize. Add condition code handling
1295 to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
1296 and "not" instructions.
1297 * v850_sim.h (reg_t): Registers are 32bits.
1298 (_state): The V850 has 32 general registers. Add a 32bit
1299 psw and pc register too. Add accessor macros
1300
1301 * Makefile.in, interp.c, v850_sim.h: Bring over endianness
1302 changes from the d10v simulator.
1303
1304 * simops.c: Add shift support.
1305
1306 * simops.c: Add multiply & divide support. Abort for system
1307 instructions.
1308
1309 * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
1310 and subr. No condition codes yet.
1311
1312Wed Aug 28 13:53:22 1996 Jeffrey A Law (law@cygnus.com)
1313
1314 * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
1315 gencode.c, interp.c, simops.c: Created.
1316
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