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sim/erc32: use SIM_AC_OPTION_HOSTENDIAN to probe for host endianess
[thirdparty/binutils-gdb.git] / sim / d10v / ChangeLog
CommitLineData
465fb143
MF		 12015-03-14 Mike Frysinger <vapier@gentoo.org>
2
3 * Makefile.in (SIM_EXTRA_CFLAGS): Add
4 -DSIM_USE_DEPRECATED_RUN_FRONTEND.
5 (SIM_RUN_OBJS): Set to run.o.
6
5cddc23a
MF		 72015-03-14 Mike Frysinger <vapier@gentoo.org>
8
9 * configure.ac (AC_CHECK_HEADERS): Delete.
10 * aclocal.m4, configure: Regenerate.
11
2974be62
AM		 122014-08-19 Alan Modra <amodra@gmail.com>
13
14 * configure: Regenerate.
15
faa743bb
RM		 162014-08-15 Roland McGrath <mcgrathr@google.com>
17
18 * configure: Regenerate.
19 * config.in: Regenerate.
20
60d847df
MF		 212014-03-10 Mike Frysinger <vapier@gentoo.org>
22
23 * interp.c (sim_do_command): Add const to cmd.
24
b2b255bd
MF		 252014-03-05 Mike Frysinger <vapier@gentoo.org>
26
27 * interp.c (sim_load): Add const to prog.
28
1a8a700e
MF		 292014-03-04 Mike Frysinger <vapier@gentoo.org>
30
31 * configure: Regenerate.
32
bf3d9781
AM		 332013-09-23 Alan Modra <amodra@gmail.com>
34
35 * configure: Regenerate.
36
31e6ad7d
MF		 372013-06-03 Mike Frysinger <vapier@gentoo.org>
38
39 * aclocal.m4, configure: Regenerate.
40
d3685d60
TT		 412013-05-10 Freddie Chopin <freddie_chopin@op.pl>
42
43 * configure: Rebuild.
44
d0a5a356
JB		 452012-06-19 Joel Brobecker <brobecker@adacore.com>
46
47 * interp.c: #include "config.h" instead of "sysdep.h".
48 Add conditional include of string.h or strings.h, as well as
49 conditional include of stdlib.h.
50
5f3ef9d0
JB		 512012-06-15 Joel Brobecker <brobecker@adacore.com>
52
53 * config.in, configure: Regenerate.
54
a493e3e2
PA		 552012-05-24 Pedro Alves <palves@redhat.com>
56
57 PR gdb/7205
58
59 Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout.
60
2232061b
MF		 612012-03-24 Mike Frysinger <vapier@gentoo.org>
62
63 * aclocal.m4, config.in, configure: Regenerate.
64
db2e4d67
MF		 652011-12-03 Mike Frysinger <vapier@gentoo.org>
66
67 * aclocal.m4: New file.
68 * configure: Regenerate.
69
9c082ca8
MF		 702011-10-17 Mike Frysinger <vapier@gentoo.org>
71
72 * configure.ac: Change include to common/acinclude.m4.
73
6ffe910a
MF		 742011-10-17 Mike Frysinger <vapier@gentoo.org>
75
76 * configure.ac: Change AC_PREREQ to 2.64. Delete AC_CONFIG_HEADER
77 call. Replace common.m4 include with SIM_AC_COMMON.
78 * configure: Regenerate.
79
5558e7e6
MF		 802010-04-14 Mike Frysinger <vapier@gentoo.org>
81
82 * interp.c (sim_write): Add const to buffer arg.
83
3725885a
RW		 842010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
85
86 * configure: Regenerate.
87
d6416cdc
RW		 882009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
89
81ecdfbb
RW		 90 * config.in: Regenerate.
91 * configure: Likewise.
92
d6416cdc
RW		 93 * configure: Regenerate.
94
b5bd9624
HPN		 952008-07-11 Hans-Peter Nilsson <hp@axis.com>
96
97 * configure: Regenerate to track ../common/common.m4 changes.
98 * config.in: Ditto.
99
6efef468
JM		 1002008-06-06 Vladimir Prus <vladimir@codesourcery.com>
101 Daniel Jacobowitz <dan@codesourcery.com>
102 Joseph Myers <joseph@codesourcery.com>
103
104 * configure: Regenerate.
105
edc5d9ec
HPN		 1062006-12-21 Hans-Peter Nilsson <hp@axis.com>
107
108 * acconfig.h: Remove.
109 * config.in: Regenerate.
110
e85e3205
RE		 1112006-06-13 Richard Earnshaw <rearnsha@arm.com>
112
113 * configure: Regenerated.
114
2f0122dc
DJ		 1152006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
116
117 * configure: Regenerated.
118
20e95c23
DJ		 1192006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
120
121 * configure: Regenerated.
122
9517c978
NC		 1232006-04-18 Nick Clifton <nickc@redhat.com>
124
125 * interp.c (sim_stop_reason): Fix typo.
126
aba6488e
MM		 1272005-11-28 Mark Mitchell <mark@codesourcery.com>
128
129 * interp.c (gdb/signals.h): Include it.
130 (sim_stop_reason): Use TARGET_SIGNAL_*.
131
2b193c4a
MK		 1322005-03-23 Mark Kettenis <kettenis@gnu.org>
133
134 * configure: Regenerate.
135
35695fd6
AC		 1362005-01-14 Andrew Cagney <cagney@gnu.org>
137
138 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
139 explicit call to AC_CONFIG_HEADER.
140 * configure: Regenerate.
141
f0569246
AC		 1422005-01-12 Andrew Cagney <cagney@gnu.org>
143
144 * configure.ac: Update to use ../common/common.m4.
145 * configure: Re-generate.
146
38f48d72
AC		 1472005-01-11 Andrew Cagney <cagney@localhost.localdomain>
148
149 * configure: Regenerated to track ../common/aclocal.m4 changes.
150
b7026657
AC		 1512005-01-07 Andrew Cagney <cagney@gnu.org>
152
153 * configure.ac: Rename configure.in, require autoconf 2.59.
154 * configure: Re-generate.
155
379832de
HPN		 1562004-12-08 Hans-Peter Nilsson <hp@axis.com>
157
158 * configure: Regenerate for ../common/aclocal.m4 update.
159
0aaa4a81
AC		 1602004-06-28 Andrew Cagney <cagney@gnu.org>
161
162 * interp.c (sim_resume): Rename ui_loop_hook to
163 deprecated_ui_loop_hook.
164
fc0a2244
AC		 1652003-10-30 Andrew Cagney <cagney@redhat.com>
166
167 * simops.c: Replace "struct symbol_cache_entry" with "struct
168 bfd_symbol".
169
ea086965
AC		 1702003-06-22 Andrew Cagney <cagney@redhat.com>
171
172 * interp.c (xfer_mem): Simplify. Only do a single partial
173 transfer. Problem reported by Tom Rix.
174
f6684c31
AC		 1752003-05-07 Andrew Cagney <cagney@redhat.com>
176
177 * interp.c (sim_d10v_translate_addr): Add "regcache" parameter.
178 (sim_d10v_translate_imap_addr): Ditto.
179 (sim_d10v_translate_dmap_addr): Ditto.
180 (xfer_mem): Pass NULL regcache to sim_d10v_translate_addr.
181 (dmem_addr): Pass NULL regcache to sim_d10v_translate_dmap_addr.
182 (dmap_register, imap_register): Add "regcache" parameter.
183 (imem_addr): Pass NULL regcache to sim_d10v_translate_imap_addr.
184 (sim_fetch_register): Pass NULL regcache to imap_register and
185 dmap_register.
186
6b4a8935
AC		 1872003-02-27 Andrew Cagney <cagney@redhat.com>
188
189 * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
190
d25b1553
AC		 1912002-11-13 Andrew Cagney <cagney@redhat.com>
192
193 * simops.c: Include <string.h>.
194
57af9c8b
AC		 1952002-06-17 Andrew Cagney <cagney@redhat.com>
196
197 * d10v_sim.h (SET_PSW_BIT): Add cast to avoid inverting an enum.
198
c8cca39f
AC		 1992002-06-16 Andrew Cagney <ac131313@redhat.com>
200
201 * configure: Regenerated to track ../common/aclocal.m4 changes.
202
3d2957e6
TR		 2032002-06-13 Tom Rix <trix@redhat.com>
204
205 * interp.c (xfer_mem): Fix transfers across multiple segments.
206
3c25f8c7
AC		 2072002-06-09 Andrew Cagney <cagney@redhat.com>
208
209 * Makefile.in (INCLUDE): Update path to callback.h.
210 * gencode.c: Do not include "callback.h".
211 * d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
212 * interp.c: Ditto.
213
983b727e
AC		 2142002-06-08 Andrew Cagney <cagney@redhat.com>
215
216 * interp.c (sim_fetch_register): Fix name of enum used in cast.
217 (sim_store_register): Ditto.
218
676ab6a0 2192002-06-02 Elena Zannoni <ezannoni@redhat.com>
c7675842
EZ		 220
221 From Jason Eckhardt <jle@redhat.com>
222 * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is
223 less than MOD_S (post-decrement).
224
18c0df9e
AC		 2252002-06-01 Andrew Cagney <ac131313@redhat.com>
226
227 * interp.c (sim_fetch_register, sim_store_register): Use a switch
228 statement and enums from "sim-d10v.h".
229
1aa5e64f
EZ		 2302002-05-28 Elena Zannoni <ezannoni@redhat.com>
231
232 * interp.c (sim_create_inferior): Add comment.
233
234 From Alan Matsuoka <alanm@redhat.com>:
235 From 2001-04-27 Jason Eckhardt <jle@cygnus.com>:
236 * simops.c (OP_4400): Output "mvf0f" instead of "mf0f".
237 (OP_4401): Output "mvf0t" instead of "mf0t".
238 (OP_460B): Do not output a flag register.
239 (OP_4609): Do not output a flag register.
240
b91b96f4
AC		 2412002-05-23 Andrew Cagney <ac131313@redhat.com>
242
243 * Makefile.in (INCLUDE): Add "gdb/sim-d10v.h".
244 * interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h".
245
962b3ead
JM		 2462001-08-01 John R. Moore <jmoore@redhat.com>
247
248 * interp.c (sim_create_inferior): Removed a hack that stated
249 it was setting r0/r1 with argc/argv.
250
d4424ada
C		 2512001-04-15 J.T. Conklin <jtc@redback.com>
252
253 * Makefile.in (simops.o): Add simops.h to dependency list.
254
eb2d80b4
AC		 255Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
256
257 * configure: Regenerated to track ../common/aclocal.m4 changes.
258
27842f65
AC		 259Tue Apr 18 16:26:41 2000 Andrew Cagney <cagney@b1.cygnus.com>
260
261 * interp.c (sim_resume): Deliver SIGILL.
262 (lookup_hash): Do not print SIGILL message.
263
baa7ae6f
AC		 264Tue Feb 22 18:24:56 2000 Andrew Cagney <cagney@b1.cygnus.com>
265
266 * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
267 * interp.c (sim_set_trace): Replace sim_trace. Enable tracing.
268
ba744a4f
AC		 269Tue Feb 8 17:41:12 2000 Andrew Cagney <cagney@b1.cygnus.com>
270
271 * d10v_sim.h (SIG_D10V_BUS): Define.
272
273 * simops.c (address_exception): Delete function.
274 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
275 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
276 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
277 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
278 address_exception with code that sets SIG_D10V_BUS.
279
280 * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
281 error to the simulator before resuming execution.
282 (sim_trace): Check stop reason and use that to determine sim_trace
283 return value.
284 (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
285 sigrc.
286
287Tue Jan 18 16:07:42 MST 2000 Diego Novillo <dnovillo@cygnus.com>
288
289 * interp.c (sim_create_inferior): Change internal initial value for
290 DMAP2 to 0x2000.
291
c3f6f71d
JM		 292Mon Jan 3 02:06:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
293
294 * interp.c (lookup_hash): Stop the update of the PC when there was
295 an illegal instruction exception.
296
297Mon Jan 3 00:14:33 2000 Andrew Cagney <cagney@b1.cygnus.com>
298
299 * simops.c (address_exception): New function.
300 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
301 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
302 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
303 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
304 and "st2w" check that the address is aligned.
305
8ae7f924
FCE		 3061999-12-30 Chandra Chavva <cchavva@cygnus.com>
307
308 * d10v_sim.h (INC_ADDR): Added code to assign
309 proper address for loads with predec operations.
310
c2d11a7d
JM		 3111999-11-25 Nick Clifton <nickc@cygnus.com>
312
313 * simops.c (OP_4E0F): New function: Simulate new bit pattern for
314 cpfg instruction.
315
4ce44c66
JM		 316Fri Oct 29 18:34:28 1999 Andrew Cagney <cagney@b1.cygnus.com>
317
318 * simops.c (move_to_cr): Don't allow user to set PSW.DM in either
319 DPSW and BPSW.
320
321Thu Oct 28 01:26:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
322
323 * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
324 (PSW_HW_MASK): Declare.
325
326 * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
327 (SET_CREG, SET_PSW_BIT): Update.
328 (SET_HW_CREG, SET_HW_PSW): Define.
329
330Sun Oct 24 21:38:04 1999 Andrew Cagney <cagney@b1.cygnus.com>
331
332 * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
333 for DMAP3.
334
335Sun Oct 24 16:04:16 1999 Andrew Cagney <cagney@b1.cygnus.com>
336
337 * interp.c (sim_d10v_translate_addr): New function.
338 (xfer_mem): Rewrite. Use sim_d10v_translate_addr.
339 (map_memory): Make INLINE.
340
341Sun Oct 24 13:45:19 1999 Andrew Cagney <cagney@b1.cygnus.com>
342
343 * interp.c (sim_d10v_translate_dmap_addr): New function.
344 (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr. Change
345 offset parameter to type uint16.
346 * d10v_sim.h (dmem_addr): Update declaration.
347
348Sun Oct 24 13:07:31 1999 Andrew Cagney <cagney@b1.cygnus.com>
349
350 * interp.c (imap_register, set_imap_register, dmap_register,
351 set_imap_register): Use map_memory.
352 (DMAP): Update.
353 (sim_create_inferior): Initialize all DMAP registers. NOTE that
354 DMAP2, in internal memory mode, is set to 0x0000 and NOT
355 0x2000. This is consistent with the older d10v boards.
356
357Sun Oct 24 11:22:12 1999 Andrew Cagney <cagney@b1.cygnus.com>
358
359 * interp.c (sim_d10v_translate_imap_addr): New function.
360 (imem_addr): Rewrite. Use sim_d10v_translate_imap_addr.
361 (last_from, last_to): Declare.
362
363Sun Oct 24 01:21:56 1999 Andrew Cagney <cagney@b1.cygnus.com>
364
365 * d10v_sim.h (struct d10v_memory): Define. Support very long
366 memories.
367 (struct _state): Replace imem, dmem and umem by mem.
368 (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
369 DMEM_SEGMENTS, UMEM_SEGMENTS): Define.
370
371 * interp.c (map_memory): New function.
372 (sim_size, xfer_memory, imem_addr, dmem_addr): Update.
373 (UMEM_SEGMENTS): Moveed to "d10v_sim.h".
374 (IMEM_SIZEDMEM_SIZE): Delete.
375
376Sat Oct 23 20:06:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
377
378 * interp.c: Include "sim-d10v.h".
379 (imap_register, set_imap_register, dmap_register,
380 set_dmap_register, spi_register, spu_register, set_spi_register,
381 set_spu_register): New functions.
382 (sim_create_inferior): Update.
383 (sim_fetch_register, sim_store_register): Rewrite. Use enums
384 defined in sim-d10v.h.
385
386 * d10v_sim.h (DEBUG_MEMORY): Define.
387 (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
388
389Sat Oct 23 18:41:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
390
391 * interp.c (sim_open): Allow a debug value to be passed to the -t
392 option.
393 (lookup_hash): Don't exit on an illegal instruction.
394 (do_long, do_2_short, do_parallel): Check for failed instruction
395 lookup.
396
5c44784c
JM		 397Mon Oct 18 18:03:24 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
398
399 * simops.c (OP_3220): Fix trace output for illegal accumulator
4ce44c66 400 message.
5c44784c 401
c2c6d25f
JM		 4021999-09-14 Nick Clifton <nickc@cygnus.com>
403
404 * simops.c: Disable setting of DM bit in PSW.
405
cff3e48b
JM		 406Wed Sep 8 19:34:55 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
407
408 * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
409 (trace_input_func): Added support for OP_MEMREF3.
410 (OP_32010000): New instruction ld.
411 (OP_33010000): New instruction ld2w.
412 (OP_5209): New instruction sac.
413 (OP_4209): New instruction sachi.
414 (OP_3220): New instruction slae.
415 (OP_36010000): New instruction st.
416 (OP_37010000): New instruction st2w.
417
4181999-09-09 Stan Shebs <shebs@andros.cygnus.com>
419
420 * interp.c (old_segment_mapping): New global.
421 (xfer_mem): Change the default segment mapping to be the way
422 that Mitsubishi prefers, but use the previous mapping if
423 old_segment_mapping is true.
424 (sim_open): Add an option -oldseg to get the old mapping.
425 (sim_create_inferior): Init mapping registers based on the
426 value of old_segment_mapping.
427
d4f3574e
SS		 4281999-09-07 Nick Clifton <nickc@cygnus.com>
429
430 * simops.c (OP_6601): Do not write back decremented address if
431 either of the destination registers was the same as the address
432 register.
433 (OP_6201): Do not write back incremented address if either of the
434 destination registers was the same as the address register.
435
436Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
437
438 * configure: Regenerated to track ../common/aclocal.m4 changes.
439
cd0fc7c3
SS		 4401999-05-08 Felix Lee <flee@cygnus.com>
441
442 * configure: Regenerated to track ../common/aclocal.m4 changes.
443
7a292a7a
SS		 4441999-04-02 Keith Seitz <keiths@cygnus.com>
445
446 * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
447 defined).
448 (sim_resume): If the counter has expired, call the ui_loop_hook,
449 if defined.
450 (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
451 ui_loop_hook calls.
452 * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
453
454Wed Mar 10 19:32:13 1999 Nick Clifton <nickc@cygnus.com>
455
456 * simops.c: If load instruction with auto increment/decrement
457 addressing is used when the destination register is the same as
458 the address register, then ignore the auto increment/decrement.
459
460Wed Mar 10 19:32:13 1999 Martin M. Hunt <hunt@cygnus.com>
461
462 * simops.c (OP_5F00): Ifdef SYS_stat case because
463 not all systems have it defined.
464
c906108c
SS		 4651999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
466
467 * simops.c (OP_5607): Correct saturation comparison/assignment.
468 (OP_1201, OP_1203, OP_17001200, OP_17001202,
469 OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
470 OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
471
4721999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
473
474 * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
475 comparison.
476 (OP_5607): Ditto.
477 (OP_2A00): Ditto.
478 (OP_2800): Ditto.
479
4801999-01-13 Jason Molenda (jsm@bugshack.cygnus.com)
481
482 * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
483 comparison.
484
485Tue Nov 24 17:04:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
486
487 * simops.c (sys/syscall.h): Include targ-vals.h instead.
488 (SYS_*): Replace with TARGET_SYS_*.
489
490 * Makefile.in: Add dependency on targ-vals.h.
491 (NL_TARGET): Define as NL_TARGET_d10v.
492
493Wed Sep 30 00:06:32 1998 Andrew Cagney <cagney@amy.cygnus.com>
494
495 * interp.c (xfer_mem): Missing break, instruction memory case
496 flowed into unified memory case.
497
498Wed Sep 30 10:14:18 1998 Nick Clifton <nickc@cygnus.com>
499
500 * simops.c: If load instruction with auto increment/decrement
501 addressing is used when the destination register is the same as
502 the address register, then ignore the auto increment/decrement.
503
504Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
505
506 * configure: Regenerated to track ../common/aclocal.m4 changes.
507
508Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
509
510 * configure: Regenerated to track ../common/aclocal.m4 changes.
511 * config.in: Ditto.
512
513Sun Apr 26 15:20:23 1998 Tom Tromey <tromey@cygnus.com>
514
515 * acconfig.h: New file.
516 * configure.in: Reverted change of Apr 24; use sinclude again.
517
518Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
519
520 * configure: Regenerated to track ../common/aclocal.m4 changes.
521 * config.in: Ditto.
522
523Fri Apr 24 11:20:06 1998 Tom Tromey <tromey@cygnus.com>
524
525 * configure.in: Don't call sinclude.
526
527Fri Apr 24 11:04:46 1998 Andrew Cagney <cagney@chook.cygnus.com>
528
529 * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
530
531 * d10v_sim.h (remote-sim.h, sim-config.h): Include.
532
533Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
534
535 * configure: Regenerated to track ../common/aclocal.m4 changes.
536
537Wed Apr 1 12:59:17 1998 Andrew Cagney <cagney@b1.cygnus.com>
538
539 * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
540 up-to-date CR value.
541 (OP_OP_1000000, add3): Trace inputs before performing add.
542 (OP_5F00, <*>): Trace input registers before making system call.
543 (OP_5F00, <kill>): Trace R0, R1 not REGn.
544 (OP_5F00, <getpid>): Always return 47.
545
546 * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
547 SLOT_DISCARD, SLOT_FLUSH): Define. An implementation of write
548 back slots.
549 (struct _state): Add struct slot slot to global state variable.
550 (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
551 F0, F1, C from global State variable.
552 (struct _state): Add struct trace to global State variable.
553 (GPR, SET_GPR): Define. SET_GPR uses SLOT_PEND.
554 (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
555 (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
556 (INC_ADDR): Re-implement. Use SET_GPR to update registers.
557 (JMP): Re-implement. Use SET_* to update registers.
558
559 * interp.c: Use new SET_* et.al. macros to fetch / store
560 registers.
561 (get_operands): Squirrel away trace values at start of each
562 operand decode.
563 (do_2_short): Flush pending writes before issuing second
564 instruction.
565 (sim_resume): Flush pending writes at end of instruction cycle.
566 (sim_fetch_register, sim_store_register, sim_create_inferior):
567 After scheduling updates to registers using SET_*, flush updates.
568 (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
569 that each sets pc using SET_* and last SET_* eventually winds out.
570
571 * simops.c: Use new SET_* et.al. macros to fetch / store
572 registers.
573 (move_to_cr): Add MASK argument for selective update of CREG bits.
574 Re-implement using new SET_* macros.
575 (trace_output_func, trace_output): Delete. Replace with.
576 (do_trace_output_flush, trace_output_finish, trace_output_40,
577 trace_output_32, trace_output_16, trace_output_void,
578 trace_output_flag): New functions. Handle specific trace cases.
579 (OP_*): Re-write tracing to use new trace_output_* functions.
580 (OP_*): Re-write to use new SET_* et.al. macros.
581 (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
582 (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
583
584Wed Apr 1 12:55:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
585
586 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
587 configure: Re-generate.
588
589Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
590
591 * configure: Regenerated to track ../common/aclocal.m4 changes.
592
593Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
594
595 * configure: Regenerated to track ../common/aclocal.m4 changes.
596
597Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
598
599 * configure: Regenerated to track ../common/aclocal.m4 changes.
600
601Tue Feb 17 12:38:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
602
603 * interp.c (sim_store_register, sim_fetch_register): Pass in
604 length parameter. Return -1.
605
606Mon Oct 27 14:43:33 1997 Fred Fish <fnf@cygnus.com>
607
608 * (dmem_addr): If address is illegal or in I/O space, signal a bus
609 error. Allocate unified memory on demand. Fix DMEM address
610 calculations.
611
612Mon Feb 16 10:27:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
613
614 * simops.c (OP_5F20): Implement "dbt".
615 (OP_5F60): Implement "rtd".
616
617 * d10v_sim.h (DPC_CR): Define enum.
618 (DBT_VECTOR_START): Define
619 (DPSW, DPC): Define.
620
621Fri Feb 13 15:15:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
622
623 * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
624 to PSW:SM.
625
626 * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
627 (SP_IDX): Define.
628
629Wed Feb 11 16:53:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
630
631 * simops.c (OP_5F00): Call error instead of abort for unknown
632 syscalls.
633
634 * d10v_sim.h (enum): Define DPSW_CR.
635
636 * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
637
638Tue Feb 10 18:28:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
639
640 * interp.c (sim_write_phys): Delete.
641 (sim_load): Call sim_load_file with sim_write and LMA.
642
643Mon Feb 9 12:05:01 1998 Andrew Cagney <cagney@b1.cygnus.com>
644
645 * interp.c: Rewrite xfer_mem so that it translates addresses as -
646 0x00... - DMAP translated memory, 0x01... IMAP translated memory,
647 0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
648 memory.
649 (pc_addr): Delete.
650 (imem_addr): New function - translate IMEM address.
651 (sim_resume): Use imem_addr to translate insn address, abort if
652 translation failed.
653 (sim_create_inferior): Write ARGV to memory using sim_write. Pass
654 argc/argv using r0/r1 not r2/r3.
655 (sim_size): Do not initialize IMAP/DMAP here.
656 (sim_open): Call sim_create_inferior and sim_size to initialize
657 the system.
658 (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
659 defaults.
660 (init_system): Delete.
661 (xfer_mem, sim_fetch_register, sim_store_register): Do not call
662 init_system.
663 (decode_pc): Check prog_bfd is defined before looking up .text
664 section.
665
666Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
667
668 * configure: Regenerated to track ../common/aclocal.m4 changes.
669
670Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
671
672 * configure: Regenerated to track ../common/aclocal.m4 changes.
673
674Sun Jan 25 22:23:01 1998 Michael Meissner <meissner@cygnus.com>
675
676 * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
677
678Sat Jan 24 19:00:30 1998 Michael Meissner <meissner@cygnus.com>
679
680 * d10v_sim.h (DEBUG_TRAP): New debug flag.
681
682 * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
683 printing the registers.
684
685Thu Jan 22 17:54:01 1998 Michael Meissner <meissner@cygnus.com>
686
687 * simops.c (op_types): New ABI, args are r0..r3, system call # is
688 in r4.
689 (trace_{in,out}put_func): Ditto.
690 (OP_4900): Ditto.
691 (OP_24800000): Ditto.
692 (OP_4D00): Ditto.
693 (OP_5F00): Ditto.
694
695Thu Jan 22 14:30:36 1998 Fred Fish <fnf@cygnus.com>
696
697 * interp.c (UMEM_SEGMENTS): New define, set to 128.
698 (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
699 (sim_close): Reset prog_bfd to NULL after closing it. Also
700 reset prog_bfd_was_opened_p after closing prog_bfd.
701 (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
702 (sim_create_inferior): Get start address from abfd not prog_bfd.
703 (xfer_mem): Do bounds checking on addresses and return zero length
704 read/write on bad addresses, rather than aborting. Prepare to
705 be able to handle xfers that cross segment boundaries, but not
706 yet implemented. Only emit debug message when d10v_debug is
707 set as well as DEBUG being defined.
708
709Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
710
711 * configure: Regenerated to track ../common/aclocal.m4 changes.
712
713Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
714
715 * configure: Regenerated to track ../common/aclocal.m4 changes.
716 * config.in: Ditto.
717
718Tue Dec 9 10:28:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
719
720 * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
721 (BPSW): Ditto for BPSW_CR and not PSW_CR.
722
723 * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
724
725Mon Dec 8 12:58:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
726
727 * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
728 reserved trap from 0 to 15. Add trap emulation code for 0-14.
729
730 * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
731 IBA for SDBT.
732
733 * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
734 SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
735
736 * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
737 use move_to_cr.
738 (OP_5F00): For "trap", update BPSW with move_to_cr.
739
740Fri Dec 5 15:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
741
742 * d10v_sim.h (enum): Enumerate CR register names.
743 (enum): Enumerate PSW bit values.
744 (PSW): Obtain value uing move_from_cr.
745 (MOD_S, MOD_E, BPSW): Make r-values.
746 (move_from_cr, move_to_cr): Declare functions.
747
748 * interp.c (sim_fetch_register, sim_store_register): Use
749 move_from_cr and move_to_cr for CR register transfers.
750
751 * simops.c (move_from_cr, move_to_cr): New functions.
752 (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
753 (OP_5600): For "mvtc", use function move_to_cr.
754 (OP_5200): For "mvfc", use function move_from_cr.
755
756Fri Dec 5 13:33:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
757
758 * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
759 LSbit is zero.
760
761Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
762
763 * configure: Regenerated to track ../common/aclocal.m4 changes.
764
765Thu Dec 4 16:51:02 1997 Andrew Cagney <cagney@b1.cygnus.com>
766
767 * d10v_sim.h (struct _state): Add DM - PSW debug mask.
768
769 * simops.c (OP_5600): For "mvtc", save PSW.DM.
770 (OP_5200): Ditto for "mvfc".
771
772Wed Dec 3 17:27:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
773
774 * d10v_sim.h (SEXT56): Define.
775
776 * simops.c (OP_4201): For "rac", sign extend 56 bit value before
777 it is shifted.
778
779 * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
780 SIGNED64 macro.
781
782Tue Dec 2 15:38:34 1997 Fred Fish <fnf@cygnus.com>
783
784 * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
785 RIGHT_FIRST, as appropriate, instead of hardcoded ints that
786 don't match enum values.
787
788Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
789
790 * simops.c (OP_3A00): For "macu", perform multiply stage using 32
791 bit rather than 16 bit precision.
792 (OP_3C00): For "mulxu", store unsigned product in ACC.
793 (OP_3800): For "msbu", subtract unsigned product from ACC,
794 (OP_0): For "sub", compute carry by comparing inputs.
795
796Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
797
798 * simops.c (OP_1000): For "sub2w", compute carry by comparing
799 inputs.
800
801Mon Nov 17 20:57:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
802
803 * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
804 carry indicated by value > 0xffff.
805
806Fri Nov 14 12:51:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
807
808 * interp.c (sim_resume): Don't set up SIGINT handler using signal,
809 handled by client.
810 (sim_resume): Fix race condition of a direct assignment to
811 stop_simulator, conditionally call sim_stop.
812 (sim_stop_reason): Check stop_simulator returning SIGINT. Clear
813 stop_simulator ready for next sim_resume call.
814 (sim_ctrl_c): Delete function.
815
816Thu Nov 13 19:29:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
817
818 * interp.c (sim_resume): For "REP", only check/update the PC when
819 a branch instruction has not been executed.
820
821Mon Nov 10 17:50:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
822
823 * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC. Sign
824 extend bit 44 all constants.
825 (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
826
827Fri Oct 24 10:26:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
828
829 * d10v_sim.h: Include sim-types.h.
830 (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
831 using unsigned8 et.al. from sim-types.h.
832 (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
833 SIGNED64 macro.
834
835Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
836
837 * interp.c (sim_write_phys): New function, write to physical
838 instead of virtual memory.
839
840 * interp.c (sim_load): Pass lma_p and sim_write_phys to
841 sim_load_file.
842
843Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com>
844
845 * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
846 exception generation code to OP_6E01.
847 (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
848 generation code.
849
850Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com>
851
852 * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
853 (OP_6601): Ditto.
854
855Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
856
857 * configure: Regenerated to track ../common/aclocal.m4 changes.
858
859Sat Sep 27 12:51:34 1997 Fred Fish <fnf@cygnus.com>
860
861 * interp.c (pc_addr): Discard upper bit(s) of PC in case
862 IMAP1 selects unified memory.
863 * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
864 for end condition.
865
866Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
867
868 * configure: Regenerated to track ../common/aclocal.m4 changes.
869
870Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
871
872 * configure: Regenerated to track ../common/aclocal.m4 changes.
873
874Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
875
876 * configure: Regenerated to track ../common/aclocal.m4 changes.
877
878Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
879
880 * configure: Regenerated to track ../common/aclocal.m4 changes.
881
882Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
883
884 * configure: Regenerated to track ../common/aclocal.m4 changes.
885
886Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com>
887
888 * interp.c (sim_resume): Increment PC at end of rep
889 loop.
890
891 * simops.c (OP_4201): Fix rachi instruction.
892
893Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
894
895 * configure: Regenerated to track ../common/aclocal.m4 changes.
896
897Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
898
899 * configure: Regenerated to track ../common/aclocal.m4 changes.
900 * config.in: Ditto.
901
902Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
903
904 * interp.c (sim_kill): Delete.
905 (sim_create_inferior): Add ABFD argument.
906 (sim_load): Move setting of PC from here.
907 (sim_create_inferior): To here.
908 (start_address): Delete variable.
909
910Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
911
912 * configure: Regenerated to track ../common/aclocal.m4 changes.
913 * config.in: Ditto.
914
915Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
916
917 * interp.c (sim_open): Add ABFD argument.
918
919Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
920
921 * interp.c (sim_open): Add callback argument.
922 (sim_set_callbacks): Remove SIM_DESC argument.
923
924Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
925
926 * configure: Regenerated to track ../common/aclocal.m4 changes.
927
928Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
929
930 * interp.c (sim_open): Undo patch to add -E support.
931
932Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
933
934 * interp.c (sim_stop): New function.
935
936Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
937
938 * Makefile.in (SIM_OBJS): Add sim-load.o.
939 * d10v_sim.h (exec_bfd): Rename to prog_bfd.
940 * interp.c: #include bfd.h.
941 (myname, sim_kind, start_address): New static locals.
942 (prog_bfd_was_opened_p, prog_bfd): New static locals.
943 (decode_pc): Update to use prog_bfd.
944 (sim_open): Set sim_kind, myname. Ignore -E arg.
945 (sim_close): Close prog_bfd if simulator opened it.
946 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
947 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
948 Call sim_load_file to load file into simulator.
949 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
950
951Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
952
953 * simops.c (OP_5F00): Only provide system calls SYS_execv,
954 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
955
956Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
957
958 * configure: Regenerated to track ../common/aclocal.m4 changes.
959 * config.in: Ditto.
960
961Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
962
963 * interp.c (sim_open): New arg `kind'.
964
965 * configure: Regenerated to track ../common/aclocal.m4 changes.
966
967Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
968
969 * configure: Regenerated to track ../common/aclocal.m4 changes.
970
971Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
972
973 * configure: Re-generate.
974
975Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
976
977 * configure: Regenerate to track ../common/aclocal.m4 changes.
978
979 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
980 as trap 0, which will be deprecated. Only set errno, if an error
981 in fact was returned.
982
983Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
984
985 * interp.c: Delete redundant prototypes of sim_foo fns.
986 (sim_open): New SIM_DESC result. Argument is now in argv form.
987 (other sim_*): New SIM_DESC argument.
988
989Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
990
991 * simops.c (trace_{input,output}_func): Call flush_stdout from the
992 callback functions.
993 (OP_5F00): Ditto.
994 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
995 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
996 setting the carry bit after an add or a subtract.
997
998Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
999
1000 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
1001 40 bits of accumulators. Sign/zero extend as appropriate.
1002
1003Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
1004
1005 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
1006 COMMON_{PRE,POST}_CONFIG_FRAG instead.
1007 * configure.in: sinclude ../common/aclocal.m4.
1008 * configure: Regenerated.
1009
1010Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
1011
1012 * configure configure.in Makefile.in: Update to new configure
1013 scheme which is more compatible with WinGDB builds.
1014 * configure.in: Improve comment on how to run autoconf.
1015 * configure: Re-run autoconf to get new ../common/aclocal.m4.
1016 * Makefile.in: Use autoconf substitution to install common
1017 makefile fragment.
1018
1019Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
1020
1021 * gencode.c: patch to not #include "d10v_sim.h" which
1022 unecessarily includes bfd.h and causes wingdb configure
1023 to fail.
1024
1025Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1026
1027 * interp.c (xfer_mem): Change unified memory to 0x0.
1028
1029Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1030
1031 * simops.c (OP_3E01): Fix tracing information.
1032 (OP_300{0,1}): Do not propigate sign.
1033
1034Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
1035
1036 * config.in (WORDS_BIGENDIAN): Add.
1037 * configure: Regenerated.
1038 * d10v_sim.h: #include "config.h"
1039
1040Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1041
1042 * gencode.c (write_opcodes): Eliminate warnings when generated
1043 table.c is compiled.
1044
1045Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1046
1047 * interp.c (sim_open): Cast result of calloc, and make sure NULL
1048 was not returned.
1049 (dmem_addr): If address is illegal or in I/O space, signal a bus
1050 error.
1051 (pc_addr): Signal bus error, not illegal instruction for bogus
1052 pc.
1053
1054Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
1055
1056 * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
1057 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
1058 * configure.in: Simplify using macros in ../common/aclocal.m4.
1059 Call AC_CHECK_HEADERS(unistd.h).
1060 * configure: Regenerated.
1061 * config.in: New file.
1062 * interp.c: #include "callback.h".
1063 * simops.c: #include "config.h". #include <unistd.h> if present.
1064
1065Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1066
1067 * d10v-sim.h (simops): Add flag is_long.
1068 (State): Add pc_changed. Instructions which update the PC should
1069 use the JMP macro which sets this.
1070 (JMP): New macro. Sets the PC and the pc_changed flag.
1071
1072 * gencode.c (write_opcodes): Add is_long field.
1073
1074 * interp.c (lookup_hash): If we blindly apply a short opcode's mask
1075 to a long opcode we could get a false match. Check the opcode size.
1076 (hash): Add a size field to the hash table.
1077 (sim_open): Initialize size field in hash table.
1078 (sim_resume): Change to logic for setting the PC. Used to increment the
1079 PC if it had not been changed. This didn't allow single-instruction loops.
1080 Now checks the flag State.pc_changed. Also now stops when ^C is received.
1081 (dmem_addr): Fix translation of data segments to unified memory.
1082 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
1083
1084 * simops.c: Changed all branch and jump instructions to use new JMP macro.
1085 (OP_20000000): Corrected trace information to show this is a ldi.l, not
1086 a ldi.s instruction.
1087
1088Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1089
1090 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
1091 updating the accumulators was overwriting other parts of the global
1092 State variable.
1093
1094Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1095
1096 * interp.c (bfd.h) Don't include it here any more.
1097 (text{,_start,_end}): Move here from simops.c and make extern.
1098 (decode_pc): New function to return the PC as an address that the
1099 debugger can use.
1100 (dmem_addr): Print decoded PC in error message.
1101 (pc_addr): Ditto.
1102
1103 * simops.c (bfd.h) Don't include it here any more.
1104 (text{,_start,_end}): Move to simops.c.
1105 (trace_input_func): Move decoding of PC, and looking up .text
1106 start to decode_pc.
1107
1108 * d10v_sim.h (bfd.h): Include it here.
1109 (text{,_start,_end}): Add external declarations.
1110 (exec_bfd): Ditto.
1111 (decode_pc): Ditto.
1112
1113Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1114
1115 * interp.c (sim_size): Now allocates unified memory for imap segments
1116 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
1117 (sim_write): Just call xfer_mem().
1118 (sim_read): Just call xfer_mem().
1119 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
1120 (dmem_addr): New function. Reads dmap register and translates data
1121 addresses to local addresses.
1122 (pc_addr): New function. Reads imap register and computes local address
1123 corresponding to contents of the PC.
1124 (sim_resume): Change to use pc_addr().
1125 (sim_create_inferior): Change reinitialization code. Also reinitializes
1126 imap[01] and dmap.
1127 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1128 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1129
1130 * simops.c (MEMPTR): Redefine to use dmem_addr().
1131 (OP_5F00): Replace references to STate.imem with dmem_addr().
1132
1133 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
1134 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
1135 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
1136
1137Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1138
1139 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
1140 better statistics, like not counting NOPS as parallel
1141 instructions, and printing total cycles.
1142 (ins_type_counters): Make unsigned long.
1143 (left_nops,right_nops): Fold into ins_type_counters.
1144
1145 * simops.c (trace_input_func): Print new instruction types.
1146 Handle OP_R2R3 as input types.
1147 (OP_{38000000,7000}): Correctly sign extend bytes.
1148 (OP_5E00): Don't count NOPs as parallel instructions.
1149 (OP_460B): Remove unused variable.
1150 (OP_5F00): Ditto.
1151
1152 * interp.c (ins_type_counters): Make unsigned long.
1153 (left_nops,right_nops): Delete.
1154 (most functions): Add prototypes.
1155 (INLINE): If GCC and optimize define as __inline__.
1156 ({,lookup_}hash,get_operands): Declare as INLINE.
1157 (do_parallel): Count conditional operations.
1158 (add_commas): New function, to add commas every 3 digits.
1159 (sim_size): Call add_commas to print numbers.
1160 (sim_{open,resume}): Delete unused variables.
1161 (sim_info): Provide better statistics.
1162 (sim_read): Add int return type.
1163
1164Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1165
1166 * interp.c (sim_resume): Change the way single-stepping and exceptions
1167 are handled so single-stepping works again.
1168
1169Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1170
1171 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
1172 endian hosts.
1173
1174 * configure.in (--enable-sim-bswap): New switch to enable using
1175 the BSWAP instruction on x86's.
1176 * configure: Regenerate.
1177
1178 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
1179 support.
1180
1181Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1182
1183 * endian.c: New file. Move endian functions here from interp.c.
1184 Optimize code, and make it work as either inline functions or as a
1185 separate file.
1186
1187 * interp.c: Move endian functions from here to endian.c.
1188
1189 * Makefile.in (INCLUDE): Add endian.c.
1190 (run,libsim.a): Add dependency on endian.o.
1191 (endian.o): Add dependency.
1192
1193 * d10v_sim.h (read/write support): Always go through the machine
1194 independent endian functions. If compiling with GCC and
1195 optimizing, include endian.c so the endian functions are inlined.
1196
1197 * simops.c (OP_5F00): Correct tracing of accumulators.
1198
1199Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1200
1201 * simops.c (OP_5F00): Add support for getpid, kill system calls.
1202
1203 * interp.c (do_{2_short,parallel}): If an exception is raised,
1204 don't execute the second instruction.
1205
1206Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1207
1208 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
1209 temporary in case the register is overriden when loading.
1210 (OP_6200): Output type is OP_DREG for tracing.
1211
1212Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1213
1214 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
1215
1216 * interp.c (sim_size): Initialize mem_{min,max} fields.
1217 (sim_write): Update mem_{min,max} fields.
1218 (sim_resume): If PC is not in the minimum/maximum memory range,
1219 abort.
1220 (sim_create_inferior): Preserve mem_{min,max} fields.
1221
1222Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
1223
1224 * simops.c (OP_5F00): Add support for time() system call.
1225
1226Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1227
1228 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
1229 stored if tracing.
1230 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
1231 system calls.
1232
1233Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1234
1235 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
1236 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
1237 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
1238 to call/subroutine returns to trace the first two arguments and
1239 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
1240
1241Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1242
1243 * interp.c (sim_create_inferior): Reinitialize State every time
1244 sim_create_inferior() is called.
1245
1246Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
1247
1248 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
1249 on comparisons.
1250 (OP_401): Fix tracing information.
1251
1252Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1253
1254 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
1255 (trace_input_func): Use them.
1256 (trace_input_func): Make sure there is a trailing space after the
1257 instruction.
1258 (OP_6200): Fix tracing info.
1259
1260 * Makefile.in (run): Add dependencies on libbfd.a and
1261 libiberity.a.
1262
1263Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1264
1265 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
1266 numbers and function names in debug trace.
1267 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
1268 DEBUG_LINE_NUMBER.
1269 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
1270 and exit system call trap being executed.
1271
1272 * interp.c (sim_stop_reason): Set exit code correctly for stop
1273 instruction and exit system call trap.
1274
1275 * configure.in (--enable-sim-cflags): Remove trace case.
1276 (--enable-sim-debug): New switch to set the debug values.
1277 * configure: Regenerate.
1278
1279 * simops.c (trace_{input,output}_func): Rename from
1280 trace_{input,output}.
1281 (trace_{input,output}): Call trace_{input,output}_func if
1282 d10v_debug is non-zero.
1283 (SIZE_INSTRUCTION): Cut down to 8.
1284 (SIZE_OPERANDS): Cut down to 18.
1285 (SIZE_LOCATION): New value for size of line number, function name
1286 field.
1287 (init_text_p,text{,_start,_end}): New static variables for
1288 printing line number and function name.
1289 (exec_bfd): New external that run.c sets.
1290 (trace_input_func): Print line number and function name if
1291 available and if desired.
1292 (OP_4E09): Don't print out DBT message.
1293 (OP_5FE0): Set exception field to SIG_D10V_STOP.
1294 (OP_5F00): Set exception field to SIG_D10V_EXIT.
1295
1296Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1297
1298 * interp.c (do_2_short): If the instruction encodes jump->ins,
1299 don't do the second instruction if the jump succeeds.
1300
1301Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1302
1303 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
1304 accumulators, PC, and F0/F1/C flags.
1305
1306Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
1307
1308 * simops.c (OP_5F00): Fix problems with system calls.
1309
1310Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1311
1312 * simops.c (OP_5F00): Correct tracing information for trap.
1313
1314Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1315
1316 * Makefile.in (CSEARCH): Correctly find opcodes directory.
1317
1318Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1319
1320 * simops.c (trace_output): Properly align accumulator output.
1321 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
1322 if shift count is too high.
1323 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
1324 (OP_4E09): Make cpfg properly trace the input flags.
1325 (op_types): Add OP_FLAG_OUTPUT.
1326 (trace_{input,output}): Support OP_FLAG_OUTPUT.
1327 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
1328 an 8-bit memory reference instruction for tracing purposes.
1329 (OP_201): Addi needs to set the carry.
1330
1331Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1332
1333 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
1334 to use signed register values.
1335
1336Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1337
1338 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
1339 output.
1340 (_ins_type): New enumeration to specify which container an
1341 instruction is in, and whether it is part of a parallel operation.
1342 (_state): Add ins_type field.
1343 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
1344 (ins_type_counters): Counters for the various instruction types.
1345 ({left,right}_nops): Counters for the number of nops in each
1346 container.
1347 (d10v_debug): New variable to indicate whether debugging is turned
1348 on.
1349
1350 * simops.c: (all functions): Change all #ifdef DEBUG code so that
1351 the input and output values can be traced, along with the
1352 instruction type. Make the -t option enable tracing.
1353 (all functions): Change printf calls to use the printf_filtered
1354 function in the callback table.
1355
1356 * interp.c (_leftright): New enumeration to say whether 2 short
1357 instructions are done left first or right first.
1358 (do_{long,2_short,parallel}): Indicate in the machine state which
1359 type of instruction this is. Count each of the types of
1360 instructions executed.
1361 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
1362 flag is set.
1363 (sim_resume): Pass left/right indication to do_2_short.
1364 (all functions): Change printf calls to use the printf_filtered
1365 function in the callback table.
1366 (sim_trace): Turn on debug flag if DEBUG was defined, and call
1367 sim_resume.
1368 (sim_info): Print out statistics on instructions.
1369 (sim_{trace,create_inferior}): Eliminate extraneous output unless
1370 debugging.
1371 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
1372 Only initialize the hash table the first time sim_open is called.
1373
1374 * Makefile.in: Make objects depend on d10v_sim.h.
1375 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
1376 CFLAGS does not override host/target defines or SIM_CFLAGS.
1377 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
1378 (run): By default, the math library is not needed to be linked
1379 in.
1380 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
1381 overridden.
1382 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
1383 makes.
1384 ({run,callback}.o): Provide explicit paths to their appropriate
1385 source directories.
1386 (gencode{,.o},d10v-opc.o): Split compilation into creating object
1387 and linking. Instead of linking in libopcodes.a, just compile
1388 d10v-opc.o directly to handle canadian cross.
1389 (CSEARCH): Add opcodes directory.
1390
1391 * configure.in (--enable-sim-cflags): New switch to allow user to
1392 set the defaults.
1393 (CC_FOR_BUILD): Deal with canadian crosses.
1394 * configure: Regenerate.
1395
1396Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
1397
1398 * simops.c: Include correct syscall.h for d10v, not host's.
1399 Fix #ifdef SYS_stat.
1400
1401Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1402
1403 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1404 Add trap 2 to be printf and trap 3 to be putchar.
1405
1406Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
1407
1408 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1409 for low-level system calls.
1410
1411Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1412
1413 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1414
1415Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1416
1417 * d10v_sim.h (SEXT32): Added.
1418 * interp.c: Commented out printfs.
1419 * simops.c: Fixed error in sb and st2w.
1420
1421Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1422
1423 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1424 DSP instructions. Added modulo addressing.
1425
1426Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1427
1428 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1429
1430Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1431
1432 * d10v_sim.h, simops.c: Snapshot.
1433
1434Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1435
1436 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1437 gencode.c, interp.c, simops.c: Created.
1438
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