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sim: drop duplicate header checks
[thirdparty/binutils-gdb.git] / sim / d10v / ChangeLog
CommitLineData
5cddc23a
MF		 12015-03-14 Mike Frysinger <vapier@gentoo.org>
2
3 * configure.ac (AC_CHECK_HEADERS): Delete.
4 * aclocal.m4, configure: Regenerate.
5
2974be62
AM		 62014-08-19 Alan Modra <amodra@gmail.com>
7
8 * configure: Regenerate.
9
faa743bb
RM		 102014-08-15 Roland McGrath <mcgrathr@google.com>
11
12 * configure: Regenerate.
13 * config.in: Regenerate.
14
60d847df
MF		 152014-03-10 Mike Frysinger <vapier@gentoo.org>
16
17 * interp.c (sim_do_command): Add const to cmd.
18
b2b255bd
MF		 192014-03-05 Mike Frysinger <vapier@gentoo.org>
20
21 * interp.c (sim_load): Add const to prog.
22
1a8a700e
MF		 232014-03-04 Mike Frysinger <vapier@gentoo.org>
24
25 * configure: Regenerate.
26
bf3d9781
AM		 272013-09-23 Alan Modra <amodra@gmail.com>
28
29 * configure: Regenerate.
30
31e6ad7d
MF		 312013-06-03 Mike Frysinger <vapier@gentoo.org>
32
33 * aclocal.m4, configure: Regenerate.
34
d3685d60
TT		 352013-05-10 Freddie Chopin <freddie_chopin@op.pl>
36
37 * configure: Rebuild.
38
d0a5a356
JB		 392012-06-19 Joel Brobecker <brobecker@adacore.com>
40
41 * interp.c: #include "config.h" instead of "sysdep.h".
42 Add conditional include of string.h or strings.h, as well as
43 conditional include of stdlib.h.
44
5f3ef9d0
JB		 452012-06-15 Joel Brobecker <brobecker@adacore.com>
46
47 * config.in, configure: Regenerate.
48
a493e3e2
PA		 492012-05-24 Pedro Alves <palves@redhat.com>
50
51 PR gdb/7205
52
53 Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout.
54
2232061b
MF		 552012-03-24 Mike Frysinger <vapier@gentoo.org>
56
57 * aclocal.m4, config.in, configure: Regenerate.
58
db2e4d67
MF		 592011-12-03 Mike Frysinger <vapier@gentoo.org>
60
61 * aclocal.m4: New file.
62 * configure: Regenerate.
63
9c082ca8
MF		 642011-10-17 Mike Frysinger <vapier@gentoo.org>
65
66 * configure.ac: Change include to common/acinclude.m4.
67
6ffe910a
MF		 682011-10-17 Mike Frysinger <vapier@gentoo.org>
69
70 * configure.ac: Change AC_PREREQ to 2.64. Delete AC_CONFIG_HEADER
71 call. Replace common.m4 include with SIM_AC_COMMON.
72 * configure: Regenerate.
73
5558e7e6
MF		 742010-04-14 Mike Frysinger <vapier@gentoo.org>
75
76 * interp.c (sim_write): Add const to buffer arg.
77
3725885a
RW		 782010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
79
80 * configure: Regenerate.
81
d6416cdc
RW		 822009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
83
81ecdfbb
RW		 84 * config.in: Regenerate.
85 * configure: Likewise.
86
d6416cdc
RW		 87 * configure: Regenerate.
88
b5bd9624
HPN		 892008-07-11 Hans-Peter Nilsson <hp@axis.com>
90
91 * configure: Regenerate to track ../common/common.m4 changes.
92 * config.in: Ditto.
93
6efef468
JM		 942008-06-06 Vladimir Prus <vladimir@codesourcery.com>
95 Daniel Jacobowitz <dan@codesourcery.com>
96 Joseph Myers <joseph@codesourcery.com>
97
98 * configure: Regenerate.
99
edc5d9ec
HPN		 1002006-12-21 Hans-Peter Nilsson <hp@axis.com>
101
102 * acconfig.h: Remove.
103 * config.in: Regenerate.
104
e85e3205
RE		 1052006-06-13 Richard Earnshaw <rearnsha@arm.com>
106
107 * configure: Regenerated.
108
2f0122dc
DJ		 1092006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
110
111 * configure: Regenerated.
112
20e95c23
DJ		 1132006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
114
115 * configure: Regenerated.
116
9517c978
NC		 1172006-04-18 Nick Clifton <nickc@redhat.com>
118
119 * interp.c (sim_stop_reason): Fix typo.
120
aba6488e
MM		 1212005-11-28 Mark Mitchell <mark@codesourcery.com>
122
123 * interp.c (gdb/signals.h): Include it.
124 (sim_stop_reason): Use TARGET_SIGNAL_*.
125
2b193c4a
MK		 1262005-03-23 Mark Kettenis <kettenis@gnu.org>
127
128 * configure: Regenerate.
129
35695fd6
AC		 1302005-01-14 Andrew Cagney <cagney@gnu.org>
131
132 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
133 explicit call to AC_CONFIG_HEADER.
134 * configure: Regenerate.
135
f0569246
AC		 1362005-01-12 Andrew Cagney <cagney@gnu.org>
137
138 * configure.ac: Update to use ../common/common.m4.
139 * configure: Re-generate.
140
38f48d72
AC		 1412005-01-11 Andrew Cagney <cagney@localhost.localdomain>
142
143 * configure: Regenerated to track ../common/aclocal.m4 changes.
144
b7026657
AC		 1452005-01-07 Andrew Cagney <cagney@gnu.org>
146
147 * configure.ac: Rename configure.in, require autoconf 2.59.
148 * configure: Re-generate.
149
379832de
HPN		 1502004-12-08 Hans-Peter Nilsson <hp@axis.com>
151
152 * configure: Regenerate for ../common/aclocal.m4 update.
153
0aaa4a81
AC		 1542004-06-28 Andrew Cagney <cagney@gnu.org>
155
156 * interp.c (sim_resume): Rename ui_loop_hook to
157 deprecated_ui_loop_hook.
158
fc0a2244
AC		 1592003-10-30 Andrew Cagney <cagney@redhat.com>
160
161 * simops.c: Replace "struct symbol_cache_entry" with "struct
162 bfd_symbol".
163
ea086965
AC		 1642003-06-22 Andrew Cagney <cagney@redhat.com>
165
166 * interp.c (xfer_mem): Simplify. Only do a single partial
167 transfer. Problem reported by Tom Rix.
168
f6684c31
AC		 1692003-05-07 Andrew Cagney <cagney@redhat.com>
170
171 * interp.c (sim_d10v_translate_addr): Add "regcache" parameter.
172 (sim_d10v_translate_imap_addr): Ditto.
173 (sim_d10v_translate_dmap_addr): Ditto.
174 (xfer_mem): Pass NULL regcache to sim_d10v_translate_addr.
175 (dmem_addr): Pass NULL regcache to sim_d10v_translate_dmap_addr.
176 (dmap_register, imap_register): Add "regcache" parameter.
177 (imem_addr): Pass NULL regcache to sim_d10v_translate_imap_addr.
178 (sim_fetch_register): Pass NULL regcache to imap_register and
179 dmap_register.
180
6b4a8935
AC		 1812003-02-27 Andrew Cagney <cagney@redhat.com>
182
183 * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
184
d25b1553
AC		 1852002-11-13 Andrew Cagney <cagney@redhat.com>
186
187 * simops.c: Include <string.h>.
188
57af9c8b
AC		 1892002-06-17 Andrew Cagney <cagney@redhat.com>
190
191 * d10v_sim.h (SET_PSW_BIT): Add cast to avoid inverting an enum.
192
c8cca39f
AC		 1932002-06-16 Andrew Cagney <ac131313@redhat.com>
194
195 * configure: Regenerated to track ../common/aclocal.m4 changes.
196
3d2957e6
TR		 1972002-06-13 Tom Rix <trix@redhat.com>
198
199 * interp.c (xfer_mem): Fix transfers across multiple segments.
200
3c25f8c7
AC		 2012002-06-09 Andrew Cagney <cagney@redhat.com>
202
203 * Makefile.in (INCLUDE): Update path to callback.h.
204 * gencode.c: Do not include "callback.h".
205 * d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
206 * interp.c: Ditto.
207
983b727e
AC		 2082002-06-08 Andrew Cagney <cagney@redhat.com>
209
210 * interp.c (sim_fetch_register): Fix name of enum used in cast.
211 (sim_store_register): Ditto.
212
676ab6a0 2132002-06-02 Elena Zannoni <ezannoni@redhat.com>
c7675842
EZ		 214
215 From Jason Eckhardt <jle@redhat.com>
216 * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is
217 less than MOD_S (post-decrement).
218
18c0df9e
AC		 2192002-06-01 Andrew Cagney <ac131313@redhat.com>
220
221 * interp.c (sim_fetch_register, sim_store_register): Use a switch
222 statement and enums from "sim-d10v.h".
223
1aa5e64f
EZ		 2242002-05-28 Elena Zannoni <ezannoni@redhat.com>
225
226 * interp.c (sim_create_inferior): Add comment.
227
228 From Alan Matsuoka <alanm@redhat.com>:
229 From 2001-04-27 Jason Eckhardt <jle@cygnus.com>:
230 * simops.c (OP_4400): Output "mvf0f" instead of "mf0f".
231 (OP_4401): Output "mvf0t" instead of "mf0t".
232 (OP_460B): Do not output a flag register.
233 (OP_4609): Do not output a flag register.
234
b91b96f4
AC		 2352002-05-23 Andrew Cagney <ac131313@redhat.com>
236
237 * Makefile.in (INCLUDE): Add "gdb/sim-d10v.h".
238 * interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h".
239
962b3ead
JM		 2402001-08-01 John R. Moore <jmoore@redhat.com>
241
242 * interp.c (sim_create_inferior): Removed a hack that stated
243 it was setting r0/r1 with argc/argv.
244
d4424ada
C		 2452001-04-15 J.T. Conklin <jtc@redback.com>
246
247 * Makefile.in (simops.o): Add simops.h to dependency list.
248
eb2d80b4
AC		 249Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
250
251 * configure: Regenerated to track ../common/aclocal.m4 changes.
252
27842f65
AC		 253Tue Apr 18 16:26:41 2000 Andrew Cagney <cagney@b1.cygnus.com>
254
255 * interp.c (sim_resume): Deliver SIGILL.
256 (lookup_hash): Do not print SIGILL message.
257
baa7ae6f
AC		 258Tue Feb 22 18:24:56 2000 Andrew Cagney <cagney@b1.cygnus.com>
259
260 * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
261 * interp.c (sim_set_trace): Replace sim_trace. Enable tracing.
262
ba744a4f
AC		 263Tue Feb 8 17:41:12 2000 Andrew Cagney <cagney@b1.cygnus.com>
264
265 * d10v_sim.h (SIG_D10V_BUS): Define.
266
267 * simops.c (address_exception): Delete function.
268 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
269 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
270 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
271 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
272 address_exception with code that sets SIG_D10V_BUS.
273
274 * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
275 error to the simulator before resuming execution.
276 (sim_trace): Check stop reason and use that to determine sim_trace
277 return value.
278 (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
279 sigrc.
280
281Tue Jan 18 16:07:42 MST 2000 Diego Novillo <dnovillo@cygnus.com>
282
283 * interp.c (sim_create_inferior): Change internal initial value for
284 DMAP2 to 0x2000.
285
c3f6f71d
JM		 286Mon Jan 3 02:06:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
287
288 * interp.c (lookup_hash): Stop the update of the PC when there was
289 an illegal instruction exception.
290
291Mon Jan 3 00:14:33 2000 Andrew Cagney <cagney@b1.cygnus.com>
292
293 * simops.c (address_exception): New function.
294 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
295 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
296 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
297 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
298 and "st2w" check that the address is aligned.
299
8ae7f924
FCE		 3001999-12-30 Chandra Chavva <cchavva@cygnus.com>
301
302 * d10v_sim.h (INC_ADDR): Added code to assign
303 proper address for loads with predec operations.
304
c2d11a7d
JM		 3051999-11-25 Nick Clifton <nickc@cygnus.com>
306
307 * simops.c (OP_4E0F): New function: Simulate new bit pattern for
308 cpfg instruction.
309
4ce44c66
JM		 310Fri Oct 29 18:34:28 1999 Andrew Cagney <cagney@b1.cygnus.com>
311
312 * simops.c (move_to_cr): Don't allow user to set PSW.DM in either
313 DPSW and BPSW.
314
315Thu Oct 28 01:26:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
316
317 * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
318 (PSW_HW_MASK): Declare.
319
320 * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
321 (SET_CREG, SET_PSW_BIT): Update.
322 (SET_HW_CREG, SET_HW_PSW): Define.
323
324Sun Oct 24 21:38:04 1999 Andrew Cagney <cagney@b1.cygnus.com>
325
326 * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
327 for DMAP3.
328
329Sun Oct 24 16:04:16 1999 Andrew Cagney <cagney@b1.cygnus.com>
330
331 * interp.c (sim_d10v_translate_addr): New function.
332 (xfer_mem): Rewrite. Use sim_d10v_translate_addr.
333 (map_memory): Make INLINE.
334
335Sun Oct 24 13:45:19 1999 Andrew Cagney <cagney@b1.cygnus.com>
336
337 * interp.c (sim_d10v_translate_dmap_addr): New function.
338 (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr. Change
339 offset parameter to type uint16.
340 * d10v_sim.h (dmem_addr): Update declaration.
341
342Sun Oct 24 13:07:31 1999 Andrew Cagney <cagney@b1.cygnus.com>
343
344 * interp.c (imap_register, set_imap_register, dmap_register,
345 set_imap_register): Use map_memory.
346 (DMAP): Update.
347 (sim_create_inferior): Initialize all DMAP registers. NOTE that
348 DMAP2, in internal memory mode, is set to 0x0000 and NOT
349 0x2000. This is consistent with the older d10v boards.
350
351Sun Oct 24 11:22:12 1999 Andrew Cagney <cagney@b1.cygnus.com>
352
353 * interp.c (sim_d10v_translate_imap_addr): New function.
354 (imem_addr): Rewrite. Use sim_d10v_translate_imap_addr.
355 (last_from, last_to): Declare.
356
357Sun Oct 24 01:21:56 1999 Andrew Cagney <cagney@b1.cygnus.com>
358
359 * d10v_sim.h (struct d10v_memory): Define. Support very long
360 memories.
361 (struct _state): Replace imem, dmem and umem by mem.
362 (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
363 DMEM_SEGMENTS, UMEM_SEGMENTS): Define.
364
365 * interp.c (map_memory): New function.
366 (sim_size, xfer_memory, imem_addr, dmem_addr): Update.
367 (UMEM_SEGMENTS): Moveed to "d10v_sim.h".
368 (IMEM_SIZEDMEM_SIZE): Delete.
369
370Sat Oct 23 20:06:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
371
372 * interp.c: Include "sim-d10v.h".
373 (imap_register, set_imap_register, dmap_register,
374 set_dmap_register, spi_register, spu_register, set_spi_register,
375 set_spu_register): New functions.
376 (sim_create_inferior): Update.
377 (sim_fetch_register, sim_store_register): Rewrite. Use enums
378 defined in sim-d10v.h.
379
380 * d10v_sim.h (DEBUG_MEMORY): Define.
381 (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
382
383Sat Oct 23 18:41:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
384
385 * interp.c (sim_open): Allow a debug value to be passed to the -t
386 option.
387 (lookup_hash): Don't exit on an illegal instruction.
388 (do_long, do_2_short, do_parallel): Check for failed instruction
389 lookup.
390
5c44784c
JM		 391Mon Oct 18 18:03:24 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
392
393 * simops.c (OP_3220): Fix trace output for illegal accumulator
4ce44c66 394 message.
5c44784c 395
c2c6d25f
JM		 3961999-09-14 Nick Clifton <nickc@cygnus.com>
397
398 * simops.c: Disable setting of DM bit in PSW.
399
cff3e48b
JM		 400Wed Sep 8 19:34:55 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
401
402 * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
403 (trace_input_func): Added support for OP_MEMREF3.
404 (OP_32010000): New instruction ld.
405 (OP_33010000): New instruction ld2w.
406 (OP_5209): New instruction sac.
407 (OP_4209): New instruction sachi.
408 (OP_3220): New instruction slae.
409 (OP_36010000): New instruction st.
410 (OP_37010000): New instruction st2w.
411
4121999-09-09 Stan Shebs <shebs@andros.cygnus.com>
413
414 * interp.c (old_segment_mapping): New global.
415 (xfer_mem): Change the default segment mapping to be the way
416 that Mitsubishi prefers, but use the previous mapping if
417 old_segment_mapping is true.
418 (sim_open): Add an option -oldseg to get the old mapping.
419 (sim_create_inferior): Init mapping registers based on the
420 value of old_segment_mapping.
421
d4f3574e
SS		 4221999-09-07 Nick Clifton <nickc@cygnus.com>
423
424 * simops.c (OP_6601): Do not write back decremented address if
425 either of the destination registers was the same as the address
426 register.
427 (OP_6201): Do not write back incremented address if either of the
428 destination registers was the same as the address register.
429
430Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
431
432 * configure: Regenerated to track ../common/aclocal.m4 changes.
433
cd0fc7c3
SS		 4341999-05-08 Felix Lee <flee@cygnus.com>
435
436 * configure: Regenerated to track ../common/aclocal.m4 changes.
437
7a292a7a
SS		 4381999-04-02 Keith Seitz <keiths@cygnus.com>
439
440 * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
441 defined).
442 (sim_resume): If the counter has expired, call the ui_loop_hook,
443 if defined.
444 (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
445 ui_loop_hook calls.
446 * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
447
448Wed Mar 10 19:32:13 1999 Nick Clifton <nickc@cygnus.com>
449
450 * simops.c: If load instruction with auto increment/decrement
451 addressing is used when the destination register is the same as
452 the address register, then ignore the auto increment/decrement.
453
454Wed Mar 10 19:32:13 1999 Martin M. Hunt <hunt@cygnus.com>
455
456 * simops.c (OP_5F00): Ifdef SYS_stat case because
457 not all systems have it defined.
458
c906108c
SS		 4591999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
460
461 * simops.c (OP_5607): Correct saturation comparison/assignment.
462 (OP_1201, OP_1203, OP_17001200, OP_17001202,
463 OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
464 OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
465
4661999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
467
468 * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
469 comparison.
470 (OP_5607): Ditto.
471 (OP_2A00): Ditto.
472 (OP_2800): Ditto.
473
4741999-01-13 Jason Molenda (jsm@bugshack.cygnus.com)
475
476 * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
477 comparison.
478
479Tue Nov 24 17:04:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
480
481 * simops.c (sys/syscall.h): Include targ-vals.h instead.
482 (SYS_*): Replace with TARGET_SYS_*.
483
484 * Makefile.in: Add dependency on targ-vals.h.
485 (NL_TARGET): Define as NL_TARGET_d10v.
486
487Wed Sep 30 00:06:32 1998 Andrew Cagney <cagney@amy.cygnus.com>
488
489 * interp.c (xfer_mem): Missing break, instruction memory case
490 flowed into unified memory case.
491
492Wed Sep 30 10:14:18 1998 Nick Clifton <nickc@cygnus.com>
493
494 * simops.c: If load instruction with auto increment/decrement
495 addressing is used when the destination register is the same as
496 the address register, then ignore the auto increment/decrement.
497
498Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
499
500 * configure: Regenerated to track ../common/aclocal.m4 changes.
501
502Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
503
504 * configure: Regenerated to track ../common/aclocal.m4 changes.
505 * config.in: Ditto.
506
507Sun Apr 26 15:20:23 1998 Tom Tromey <tromey@cygnus.com>
508
509 * acconfig.h: New file.
510 * configure.in: Reverted change of Apr 24; use sinclude again.
511
512Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
513
514 * configure: Regenerated to track ../common/aclocal.m4 changes.
515 * config.in: Ditto.
516
517Fri Apr 24 11:20:06 1998 Tom Tromey <tromey@cygnus.com>
518
519 * configure.in: Don't call sinclude.
520
521Fri Apr 24 11:04:46 1998 Andrew Cagney <cagney@chook.cygnus.com>
522
523 * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
524
525 * d10v_sim.h (remote-sim.h, sim-config.h): Include.
526
527Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
528
529 * configure: Regenerated to track ../common/aclocal.m4 changes.
530
531Wed Apr 1 12:59:17 1998 Andrew Cagney <cagney@b1.cygnus.com>
532
533 * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
534 up-to-date CR value.
535 (OP_OP_1000000, add3): Trace inputs before performing add.
536 (OP_5F00, <*>): Trace input registers before making system call.
537 (OP_5F00, <kill>): Trace R0, R1 not REGn.
538 (OP_5F00, <getpid>): Always return 47.
539
540 * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
541 SLOT_DISCARD, SLOT_FLUSH): Define. An implementation of write
542 back slots.
543 (struct _state): Add struct slot slot to global state variable.
544 (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
545 F0, F1, C from global State variable.
546 (struct _state): Add struct trace to global State variable.
547 (GPR, SET_GPR): Define. SET_GPR uses SLOT_PEND.
548 (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
549 (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
550 (INC_ADDR): Re-implement. Use SET_GPR to update registers.
551 (JMP): Re-implement. Use SET_* to update registers.
552
553 * interp.c: Use new SET_* et.al. macros to fetch / store
554 registers.
555 (get_operands): Squirrel away trace values at start of each
556 operand decode.
557 (do_2_short): Flush pending writes before issuing second
558 instruction.
559 (sim_resume): Flush pending writes at end of instruction cycle.
560 (sim_fetch_register, sim_store_register, sim_create_inferior):
561 After scheduling updates to registers using SET_*, flush updates.
562 (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
563 that each sets pc using SET_* and last SET_* eventually winds out.
564
565 * simops.c: Use new SET_* et.al. macros to fetch / store
566 registers.
567 (move_to_cr): Add MASK argument for selective update of CREG bits.
568 Re-implement using new SET_* macros.
569 (trace_output_func, trace_output): Delete. Replace with.
570 (do_trace_output_flush, trace_output_finish, trace_output_40,
571 trace_output_32, trace_output_16, trace_output_void,
572 trace_output_flag): New functions. Handle specific trace cases.
573 (OP_*): Re-write tracing to use new trace_output_* functions.
574 (OP_*): Re-write to use new SET_* et.al. macros.
575 (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
576 (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
577
578Wed Apr 1 12:55:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
579
580 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
581 configure: Re-generate.
582
583Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
584
585 * configure: Regenerated to track ../common/aclocal.m4 changes.
586
587Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
588
589 * configure: Regenerated to track ../common/aclocal.m4 changes.
590
591Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
592
593 * configure: Regenerated to track ../common/aclocal.m4 changes.
594
595Tue Feb 17 12:38:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
596
597 * interp.c (sim_store_register, sim_fetch_register): Pass in
598 length parameter. Return -1.
599
600Mon Oct 27 14:43:33 1997 Fred Fish <fnf@cygnus.com>
601
602 * (dmem_addr): If address is illegal or in I/O space, signal a bus
603 error. Allocate unified memory on demand. Fix DMEM address
604 calculations.
605
606Mon Feb 16 10:27:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
607
608 * simops.c (OP_5F20): Implement "dbt".
609 (OP_5F60): Implement "rtd".
610
611 * d10v_sim.h (DPC_CR): Define enum.
612 (DBT_VECTOR_START): Define
613 (DPSW, DPC): Define.
614
615Fri Feb 13 15:15:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
616
617 * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
618 to PSW:SM.
619
620 * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
621 (SP_IDX): Define.
622
623Wed Feb 11 16:53:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
624
625 * simops.c (OP_5F00): Call error instead of abort for unknown
626 syscalls.
627
628 * d10v_sim.h (enum): Define DPSW_CR.
629
630 * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
631
632Tue Feb 10 18:28:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
633
634 * interp.c (sim_write_phys): Delete.
635 (sim_load): Call sim_load_file with sim_write and LMA.
636
637Mon Feb 9 12:05:01 1998 Andrew Cagney <cagney@b1.cygnus.com>
638
639 * interp.c: Rewrite xfer_mem so that it translates addresses as -
640 0x00... - DMAP translated memory, 0x01... IMAP translated memory,
641 0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
642 memory.
643 (pc_addr): Delete.
644 (imem_addr): New function - translate IMEM address.
645 (sim_resume): Use imem_addr to translate insn address, abort if
646 translation failed.
647 (sim_create_inferior): Write ARGV to memory using sim_write. Pass
648 argc/argv using r0/r1 not r2/r3.
649 (sim_size): Do not initialize IMAP/DMAP here.
650 (sim_open): Call sim_create_inferior and sim_size to initialize
651 the system.
652 (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
653 defaults.
654 (init_system): Delete.
655 (xfer_mem, sim_fetch_register, sim_store_register): Do not call
656 init_system.
657 (decode_pc): Check prog_bfd is defined before looking up .text
658 section.
659
660Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
661
662 * configure: Regenerated to track ../common/aclocal.m4 changes.
663
664Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
665
666 * configure: Regenerated to track ../common/aclocal.m4 changes.
667
668Sun Jan 25 22:23:01 1998 Michael Meissner <meissner@cygnus.com>
669
670 * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
671
672Sat Jan 24 19:00:30 1998 Michael Meissner <meissner@cygnus.com>
673
674 * d10v_sim.h (DEBUG_TRAP): New debug flag.
675
676 * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
677 printing the registers.
678
679Thu Jan 22 17:54:01 1998 Michael Meissner <meissner@cygnus.com>
680
681 * simops.c (op_types): New ABI, args are r0..r3, system call # is
682 in r4.
683 (trace_{in,out}put_func): Ditto.
684 (OP_4900): Ditto.
685 (OP_24800000): Ditto.
686 (OP_4D00): Ditto.
687 (OP_5F00): Ditto.
688
689Thu Jan 22 14:30:36 1998 Fred Fish <fnf@cygnus.com>
690
691 * interp.c (UMEM_SEGMENTS): New define, set to 128.
692 (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
693 (sim_close): Reset prog_bfd to NULL after closing it. Also
694 reset prog_bfd_was_opened_p after closing prog_bfd.
695 (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
696 (sim_create_inferior): Get start address from abfd not prog_bfd.
697 (xfer_mem): Do bounds checking on addresses and return zero length
698 read/write on bad addresses, rather than aborting. Prepare to
699 be able to handle xfers that cross segment boundaries, but not
700 yet implemented. Only emit debug message when d10v_debug is
701 set as well as DEBUG being defined.
702
703Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
704
705 * configure: Regenerated to track ../common/aclocal.m4 changes.
706
707Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
708
709 * configure: Regenerated to track ../common/aclocal.m4 changes.
710 * config.in: Ditto.
711
712Tue Dec 9 10:28:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
713
714 * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
715 (BPSW): Ditto for BPSW_CR and not PSW_CR.
716
717 * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
718
719Mon Dec 8 12:58:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
720
721 * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
722 reserved trap from 0 to 15. Add trap emulation code for 0-14.
723
724 * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
725 IBA for SDBT.
726
727 * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
728 SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
729
730 * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
731 use move_to_cr.
732 (OP_5F00): For "trap", update BPSW with move_to_cr.
733
734Fri Dec 5 15:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
735
736 * d10v_sim.h (enum): Enumerate CR register names.
737 (enum): Enumerate PSW bit values.
738 (PSW): Obtain value uing move_from_cr.
739 (MOD_S, MOD_E, BPSW): Make r-values.
740 (move_from_cr, move_to_cr): Declare functions.
741
742 * interp.c (sim_fetch_register, sim_store_register): Use
743 move_from_cr and move_to_cr for CR register transfers.
744
745 * simops.c (move_from_cr, move_to_cr): New functions.
746 (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
747 (OP_5600): For "mvtc", use function move_to_cr.
748 (OP_5200): For "mvfc", use function move_from_cr.
749
750Fri Dec 5 13:33:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
751
752 * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
753 LSbit is zero.
754
755Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
756
757 * configure: Regenerated to track ../common/aclocal.m4 changes.
758
759Thu Dec 4 16:51:02 1997 Andrew Cagney <cagney@b1.cygnus.com>
760
761 * d10v_sim.h (struct _state): Add DM - PSW debug mask.
762
763 * simops.c (OP_5600): For "mvtc", save PSW.DM.
764 (OP_5200): Ditto for "mvfc".
765
766Wed Dec 3 17:27:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
767
768 * d10v_sim.h (SEXT56): Define.
769
770 * simops.c (OP_4201): For "rac", sign extend 56 bit value before
771 it is shifted.
772
773 * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
774 SIGNED64 macro.
775
776Tue Dec 2 15:38:34 1997 Fred Fish <fnf@cygnus.com>
777
778 * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
779 RIGHT_FIRST, as appropriate, instead of hardcoded ints that
780 don't match enum values.
781
782Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
783
784 * simops.c (OP_3A00): For "macu", perform multiply stage using 32
785 bit rather than 16 bit precision.
786 (OP_3C00): For "mulxu", store unsigned product in ACC.
787 (OP_3800): For "msbu", subtract unsigned product from ACC,
788 (OP_0): For "sub", compute carry by comparing inputs.
789
790Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
791
792 * simops.c (OP_1000): For "sub2w", compute carry by comparing
793 inputs.
794
795Mon Nov 17 20:57:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
796
797 * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
798 carry indicated by value > 0xffff.
799
800Fri Nov 14 12:51:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
801
802 * interp.c (sim_resume): Don't set up SIGINT handler using signal,
803 handled by client.
804 (sim_resume): Fix race condition of a direct assignment to
805 stop_simulator, conditionally call sim_stop.
806 (sim_stop_reason): Check stop_simulator returning SIGINT. Clear
807 stop_simulator ready for next sim_resume call.
808 (sim_ctrl_c): Delete function.
809
810Thu Nov 13 19:29:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
811
812 * interp.c (sim_resume): For "REP", only check/update the PC when
813 a branch instruction has not been executed.
814
815Mon Nov 10 17:50:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
816
817 * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC. Sign
818 extend bit 44 all constants.
819 (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
820
821Fri Oct 24 10:26:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
822
823 * d10v_sim.h: Include sim-types.h.
824 (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
825 using unsigned8 et.al. from sim-types.h.
826 (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
827 SIGNED64 macro.
828
829Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
830
831 * interp.c (sim_write_phys): New function, write to physical
832 instead of virtual memory.
833
834 * interp.c (sim_load): Pass lma_p and sim_write_phys to
835 sim_load_file.
836
837Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com>
838
839 * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
840 exception generation code to OP_6E01.
841 (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
842 generation code.
843
844Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com>
845
846 * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
847 (OP_6601): Ditto.
848
849Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
850
851 * configure: Regenerated to track ../common/aclocal.m4 changes.
852
853Sat Sep 27 12:51:34 1997 Fred Fish <fnf@cygnus.com>
854
855 * interp.c (pc_addr): Discard upper bit(s) of PC in case
856 IMAP1 selects unified memory.
857 * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
858 for end condition.
859
860Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
861
862 * configure: Regenerated to track ../common/aclocal.m4 changes.
863
864Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
865
866 * configure: Regenerated to track ../common/aclocal.m4 changes.
867
868Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
869
870 * configure: Regenerated to track ../common/aclocal.m4 changes.
871
872Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
873
874 * configure: Regenerated to track ../common/aclocal.m4 changes.
875
876Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
877
878 * configure: Regenerated to track ../common/aclocal.m4 changes.
879
880Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com>
881
882 * interp.c (sim_resume): Increment PC at end of rep
883 loop.
884
885 * simops.c (OP_4201): Fix rachi instruction.
886
887Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
888
889 * configure: Regenerated to track ../common/aclocal.m4 changes.
890
891Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
892
893 * configure: Regenerated to track ../common/aclocal.m4 changes.
894 * config.in: Ditto.
895
896Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
897
898 * interp.c (sim_kill): Delete.
899 (sim_create_inferior): Add ABFD argument.
900 (sim_load): Move setting of PC from here.
901 (sim_create_inferior): To here.
902 (start_address): Delete variable.
903
904Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
905
906 * configure: Regenerated to track ../common/aclocal.m4 changes.
907 * config.in: Ditto.
908
909Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
910
911 * interp.c (sim_open): Add ABFD argument.
912
913Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
914
915 * interp.c (sim_open): Add callback argument.
916 (sim_set_callbacks): Remove 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
922Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
923
924 * interp.c (sim_open): Undo patch to add -E support.
925
926Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
927
928 * interp.c (sim_stop): New function.
929
930Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
931
932 * Makefile.in (SIM_OBJS): Add sim-load.o.
933 * d10v_sim.h (exec_bfd): Rename to prog_bfd.
934 * interp.c: #include bfd.h.
935 (myname, sim_kind, start_address): New static locals.
936 (prog_bfd_was_opened_p, prog_bfd): New static locals.
937 (decode_pc): Update to use prog_bfd.
938 (sim_open): Set sim_kind, myname. Ignore -E arg.
939 (sim_close): Close prog_bfd if simulator opened it.
940 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
941 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
942 Call sim_load_file to load file into simulator.
943 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
944
945Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
946
947 * simops.c (OP_5F00): Only provide system calls SYS_execv,
948 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
949
950Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
951
952 * configure: Regenerated to track ../common/aclocal.m4 changes.
953 * config.in: Ditto.
954
955Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
956
957 * interp.c (sim_open): New arg `kind'.
958
959 * configure: Regenerated to track ../common/aclocal.m4 changes.
960
961Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
962
963 * configure: Regenerated to track ../common/aclocal.m4 changes.
964
965Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
966
967 * configure: Re-generate.
968
969Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
970
971 * configure: Regenerate to track ../common/aclocal.m4 changes.
972
973 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
974 as trap 0, which will be deprecated. Only set errno, if an error
975 in fact was returned.
976
977Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
978
979 * interp.c: Delete redundant prototypes of sim_foo fns.
980 (sim_open): New SIM_DESC result. Argument is now in argv form.
981 (other sim_*): New SIM_DESC argument.
982
983Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
984
985 * simops.c (trace_{input,output}_func): Call flush_stdout from the
986 callback functions.
987 (OP_5F00): Ditto.
988 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
989 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
990 setting the carry bit after an add or a subtract.
991
992Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
993
994 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
995 40 bits of accumulators. Sign/zero extend as appropriate.
996
997Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
998
999 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
1000 COMMON_{PRE,POST}_CONFIG_FRAG instead.
1001 * configure.in: sinclude ../common/aclocal.m4.
1002 * configure: Regenerated.
1003
1004Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
1005
1006 * configure configure.in Makefile.in: Update to new configure
1007 scheme which is more compatible with WinGDB builds.
1008 * configure.in: Improve comment on how to run autoconf.
1009 * configure: Re-run autoconf to get new ../common/aclocal.m4.
1010 * Makefile.in: Use autoconf substitution to install common
1011 makefile fragment.
1012
1013Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
1014
1015 * gencode.c: patch to not #include "d10v_sim.h" which
1016 unecessarily includes bfd.h and causes wingdb configure
1017 to fail.
1018
1019Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1020
1021 * interp.c (xfer_mem): Change unified memory to 0x0.
1022
1023Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1024
1025 * simops.c (OP_3E01): Fix tracing information.
1026 (OP_300{0,1}): Do not propigate sign.
1027
1028Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
1029
1030 * config.in (WORDS_BIGENDIAN): Add.
1031 * configure: Regenerated.
1032 * d10v_sim.h: #include "config.h"
1033
1034Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1035
1036 * gencode.c (write_opcodes): Eliminate warnings when generated
1037 table.c is compiled.
1038
1039Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1040
1041 * interp.c (sim_open): Cast result of calloc, and make sure NULL
1042 was not returned.
1043 (dmem_addr): If address is illegal or in I/O space, signal a bus
1044 error.
1045 (pc_addr): Signal bus error, not illegal instruction for bogus
1046 pc.
1047
1048Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
1049
1050 * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
1051 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
1052 * configure.in: Simplify using macros in ../common/aclocal.m4.
1053 Call AC_CHECK_HEADERS(unistd.h).
1054 * configure: Regenerated.
1055 * config.in: New file.
1056 * interp.c: #include "callback.h".
1057 * simops.c: #include "config.h". #include <unistd.h> if present.
1058
1059Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1060
1061 * d10v-sim.h (simops): Add flag is_long.
1062 (State): Add pc_changed. Instructions which update the PC should
1063 use the JMP macro which sets this.
1064 (JMP): New macro. Sets the PC and the pc_changed flag.
1065
1066 * gencode.c (write_opcodes): Add is_long field.
1067
1068 * interp.c (lookup_hash): If we blindly apply a short opcode's mask
1069 to a long opcode we could get a false match. Check the opcode size.
1070 (hash): Add a size field to the hash table.
1071 (sim_open): Initialize size field in hash table.
1072 (sim_resume): Change to logic for setting the PC. Used to increment the
1073 PC if it had not been changed. This didn't allow single-instruction loops.
1074 Now checks the flag State.pc_changed. Also now stops when ^C is received.
1075 (dmem_addr): Fix translation of data segments to unified memory.
1076 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
1077
1078 * simops.c: Changed all branch and jump instructions to use new JMP macro.
1079 (OP_20000000): Corrected trace information to show this is a ldi.l, not
1080 a ldi.s instruction.
1081
1082Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1083
1084 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
1085 updating the accumulators was overwriting other parts of the global
1086 State variable.
1087
1088Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1089
1090 * interp.c (bfd.h) Don't include it here any more.
1091 (text{,_start,_end}): Move here from simops.c and make extern.
1092 (decode_pc): New function to return the PC as an address that the
1093 debugger can use.
1094 (dmem_addr): Print decoded PC in error message.
1095 (pc_addr): Ditto.
1096
1097 * simops.c (bfd.h) Don't include it here any more.
1098 (text{,_start,_end}): Move to simops.c.
1099 (trace_input_func): Move decoding of PC, and looking up .text
1100 start to decode_pc.
1101
1102 * d10v_sim.h (bfd.h): Include it here.
1103 (text{,_start,_end}): Add external declarations.
1104 (exec_bfd): Ditto.
1105 (decode_pc): Ditto.
1106
1107Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1108
1109 * interp.c (sim_size): Now allocates unified memory for imap segments
1110 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
1111 (sim_write): Just call xfer_mem().
1112 (sim_read): Just call xfer_mem().
1113 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
1114 (dmem_addr): New function. Reads dmap register and translates data
1115 addresses to local addresses.
1116 (pc_addr): New function. Reads imap register and computes local address
1117 corresponding to contents of the PC.
1118 (sim_resume): Change to use pc_addr().
1119 (sim_create_inferior): Change reinitialization code. Also reinitializes
1120 imap[01] and dmap.
1121 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1122 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1123
1124 * simops.c (MEMPTR): Redefine to use dmem_addr().
1125 (OP_5F00): Replace references to STate.imem with dmem_addr().
1126
1127 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
1128 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
1129 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
1130
1131Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1132
1133 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
1134 better statistics, like not counting NOPS as parallel
1135 instructions, and printing total cycles.
1136 (ins_type_counters): Make unsigned long.
1137 (left_nops,right_nops): Fold into ins_type_counters.
1138
1139 * simops.c (trace_input_func): Print new instruction types.
1140 Handle OP_R2R3 as input types.
1141 (OP_{38000000,7000}): Correctly sign extend bytes.
1142 (OP_5E00): Don't count NOPs as parallel instructions.
1143 (OP_460B): Remove unused variable.
1144 (OP_5F00): Ditto.
1145
1146 * interp.c (ins_type_counters): Make unsigned long.
1147 (left_nops,right_nops): Delete.
1148 (most functions): Add prototypes.
1149 (INLINE): If GCC and optimize define as __inline__.
1150 ({,lookup_}hash,get_operands): Declare as INLINE.
1151 (do_parallel): Count conditional operations.
1152 (add_commas): New function, to add commas every 3 digits.
1153 (sim_size): Call add_commas to print numbers.
1154 (sim_{open,resume}): Delete unused variables.
1155 (sim_info): Provide better statistics.
1156 (sim_read): Add int return type.
1157
1158Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1159
1160 * interp.c (sim_resume): Change the way single-stepping and exceptions
1161 are handled so single-stepping works again.
1162
1163Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1164
1165 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
1166 endian hosts.
1167
1168 * configure.in (--enable-sim-bswap): New switch to enable using
1169 the BSWAP instruction on x86's.
1170 * configure: Regenerate.
1171
1172 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
1173 support.
1174
1175Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1176
1177 * endian.c: New file. Move endian functions here from interp.c.
1178 Optimize code, and make it work as either inline functions or as a
1179 separate file.
1180
1181 * interp.c: Move endian functions from here to endian.c.
1182
1183 * Makefile.in (INCLUDE): Add endian.c.
1184 (run,libsim.a): Add dependency on endian.o.
1185 (endian.o): Add dependency.
1186
1187 * d10v_sim.h (read/write support): Always go through the machine
1188 independent endian functions. If compiling with GCC and
1189 optimizing, include endian.c so the endian functions are inlined.
1190
1191 * simops.c (OP_5F00): Correct tracing of accumulators.
1192
1193Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1194
1195 * simops.c (OP_5F00): Add support for getpid, kill system calls.
1196
1197 * interp.c (do_{2_short,parallel}): If an exception is raised,
1198 don't execute the second instruction.
1199
1200Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1201
1202 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
1203 temporary in case the register is overriden when loading.
1204 (OP_6200): Output type is OP_DREG for tracing.
1205
1206Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1207
1208 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
1209
1210 * interp.c (sim_size): Initialize mem_{min,max} fields.
1211 (sim_write): Update mem_{min,max} fields.
1212 (sim_resume): If PC is not in the minimum/maximum memory range,
1213 abort.
1214 (sim_create_inferior): Preserve mem_{min,max} fields.
1215
1216Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
1217
1218 * simops.c (OP_5F00): Add support for time() system call.
1219
1220Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1221
1222 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
1223 stored if tracing.
1224 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
1225 system calls.
1226
1227Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1228
1229 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
1230 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
1231 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
1232 to call/subroutine returns to trace the first two arguments and
1233 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
1234
1235Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1236
1237 * interp.c (sim_create_inferior): Reinitialize State every time
1238 sim_create_inferior() is called.
1239
1240Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
1241
1242 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
1243 on comparisons.
1244 (OP_401): Fix tracing information.
1245
1246Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1247
1248 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
1249 (trace_input_func): Use them.
1250 (trace_input_func): Make sure there is a trailing space after the
1251 instruction.
1252 (OP_6200): Fix tracing info.
1253
1254 * Makefile.in (run): Add dependencies on libbfd.a and
1255 libiberity.a.
1256
1257Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1258
1259 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
1260 numbers and function names in debug trace.
1261 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
1262 DEBUG_LINE_NUMBER.
1263 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
1264 and exit system call trap being executed.
1265
1266 * interp.c (sim_stop_reason): Set exit code correctly for stop
1267 instruction and exit system call trap.
1268
1269 * configure.in (--enable-sim-cflags): Remove trace case.
1270 (--enable-sim-debug): New switch to set the debug values.
1271 * configure: Regenerate.
1272
1273 * simops.c (trace_{input,output}_func): Rename from
1274 trace_{input,output}.
1275 (trace_{input,output}): Call trace_{input,output}_func if
1276 d10v_debug is non-zero.
1277 (SIZE_INSTRUCTION): Cut down to 8.
1278 (SIZE_OPERANDS): Cut down to 18.
1279 (SIZE_LOCATION): New value for size of line number, function name
1280 field.
1281 (init_text_p,text{,_start,_end}): New static variables for
1282 printing line number and function name.
1283 (exec_bfd): New external that run.c sets.
1284 (trace_input_func): Print line number and function name if
1285 available and if desired.
1286 (OP_4E09): Don't print out DBT message.
1287 (OP_5FE0): Set exception field to SIG_D10V_STOP.
1288 (OP_5F00): Set exception field to SIG_D10V_EXIT.
1289
1290Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1291
1292 * interp.c (do_2_short): If the instruction encodes jump->ins,
1293 don't do the second instruction if the jump succeeds.
1294
1295Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1296
1297 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
1298 accumulators, PC, and F0/F1/C flags.
1299
1300Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
1301
1302 * simops.c (OP_5F00): Fix problems with system calls.
1303
1304Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1305
1306 * simops.c (OP_5F00): Correct tracing information for trap.
1307
1308Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1309
1310 * Makefile.in (CSEARCH): Correctly find opcodes directory.
1311
1312Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1313
1314 * simops.c (trace_output): Properly align accumulator output.
1315 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
1316 if shift count is too high.
1317 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
1318 (OP_4E09): Make cpfg properly trace the input flags.
1319 (op_types): Add OP_FLAG_OUTPUT.
1320 (trace_{input,output}): Support OP_FLAG_OUTPUT.
1321 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
1322 an 8-bit memory reference instruction for tracing purposes.
1323 (OP_201): Addi needs to set the carry.
1324
1325Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1326
1327 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
1328 to use signed register values.
1329
1330Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1331
1332 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
1333 output.
1334 (_ins_type): New enumeration to specify which container an
1335 instruction is in, and whether it is part of a parallel operation.
1336 (_state): Add ins_type field.
1337 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
1338 (ins_type_counters): Counters for the various instruction types.
1339 ({left,right}_nops): Counters for the number of nops in each
1340 container.
1341 (d10v_debug): New variable to indicate whether debugging is turned
1342 on.
1343
1344 * simops.c: (all functions): Change all #ifdef DEBUG code so that
1345 the input and output values can be traced, along with the
1346 instruction type. Make the -t option enable tracing.
1347 (all functions): Change printf calls to use the printf_filtered
1348 function in the callback table.
1349
1350 * interp.c (_leftright): New enumeration to say whether 2 short
1351 instructions are done left first or right first.
1352 (do_{long,2_short,parallel}): Indicate in the machine state which
1353 type of instruction this is. Count each of the types of
1354 instructions executed.
1355 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
1356 flag is set.
1357 (sim_resume): Pass left/right indication to do_2_short.
1358 (all functions): Change printf calls to use the printf_filtered
1359 function in the callback table.
1360 (sim_trace): Turn on debug flag if DEBUG was defined, and call
1361 sim_resume.
1362 (sim_info): Print out statistics on instructions.
1363 (sim_{trace,create_inferior}): Eliminate extraneous output unless
1364 debugging.
1365 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
1366 Only initialize the hash table the first time sim_open is called.
1367
1368 * Makefile.in: Make objects depend on d10v_sim.h.
1369 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
1370 CFLAGS does not override host/target defines or SIM_CFLAGS.
1371 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
1372 (run): By default, the math library is not needed to be linked
1373 in.
1374 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
1375 overridden.
1376 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
1377 makes.
1378 ({run,callback}.o): Provide explicit paths to their appropriate
1379 source directories.
1380 (gencode{,.o},d10v-opc.o): Split compilation into creating object
1381 and linking. Instead of linking in libopcodes.a, just compile
1382 d10v-opc.o directly to handle canadian cross.
1383 (CSEARCH): Add opcodes directory.
1384
1385 * configure.in (--enable-sim-cflags): New switch to allow user to
1386 set the defaults.
1387 (CC_FOR_BUILD): Deal with canadian crosses.
1388 * configure: Regenerate.
1389
1390Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
1391
1392 * simops.c: Include correct syscall.h for d10v, not host's.
1393 Fix #ifdef SYS_stat.
1394
1395Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1396
1397 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1398 Add trap 2 to be printf and trap 3 to be putchar.
1399
1400Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
1401
1402 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1403 for low-level system calls.
1404
1405Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1406
1407 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1408
1409Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1410
1411 * d10v_sim.h (SEXT32): Added.
1412 * interp.c: Commented out printfs.
1413 * simops.c: Fixed error in sb and st2w.
1414
1415Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1416
1417 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1418 DSP instructions. Added modulo addressing.
1419
1420Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1421
1422 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1423
1424Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1425
1426 * d10v_sim.h, simops.c: Snapshot.
1427
1428Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1429
1430 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1431 gencode.c, interp.c, simops.c: Created.
1432
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