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(dwarf_decode_lines_1): Delete local "column", unused.
[deliverable/binutils-gdb.git] / sim / d10v / ChangeLog
CommitLineData
60d847df
MF		 12014-03-10 Mike Frysinger <vapier@gentoo.org>
2
3 * interp.c (sim_do_command): Add const to cmd.
4
b2b255bd
MF		 52014-03-05 Mike Frysinger <vapier@gentoo.org>
6
7 * interp.c (sim_load): Add const to prog.
8
1a8a700e
MF		 92014-03-04 Mike Frysinger <vapier@gentoo.org>
10
11 * configure: Regenerate.
12
bf3d9781
AM		 132013-09-23 Alan Modra <amodra@gmail.com>
14
15 * configure: Regenerate.
16
31e6ad7d
MF		 172013-06-03 Mike Frysinger <vapier@gentoo.org>
18
19 * aclocal.m4, configure: Regenerate.
20
d3685d60
TT		 212013-05-10 Freddie Chopin <freddie_chopin@op.pl>
22
23 * configure: Rebuild.
24
d0a5a356
JB		 252012-06-19 Joel Brobecker <brobecker@adacore.com>
26
27 * interp.c: #include "config.h" instead of "sysdep.h".
28 Add conditional include of string.h or strings.h, as well as
29 conditional include of stdlib.h.
30
5f3ef9d0
JB		 312012-06-15 Joel Brobecker <brobecker@adacore.com>
32
33 * config.in, configure: Regenerate.
34
a493e3e2
PA		 352012-05-24 Pedro Alves <palves@redhat.com>
36
37 PR gdb/7205
38
39 Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout.
40
2232061b
MF		 412012-03-24 Mike Frysinger <vapier@gentoo.org>
42
43 * aclocal.m4, config.in, configure: Regenerate.
44
db2e4d67
MF		 452011-12-03 Mike Frysinger <vapier@gentoo.org>
46
47 * aclocal.m4: New file.
48 * configure: Regenerate.
49
9c082ca8
MF		 502011-10-17 Mike Frysinger <vapier@gentoo.org>
51
52 * configure.ac: Change include to common/acinclude.m4.
53
6ffe910a
MF		 542011-10-17 Mike Frysinger <vapier@gentoo.org>
55
56 * configure.ac: Change AC_PREREQ to 2.64. Delete AC_CONFIG_HEADER
57 call. Replace common.m4 include with SIM_AC_COMMON.
58 * configure: Regenerate.
59
5558e7e6
MF		 602010-04-14 Mike Frysinger <vapier@gentoo.org>
61
62 * interp.c (sim_write): Add const to buffer arg.
63
3725885a
RW		 642010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
65
66 * configure: Regenerate.
67
d6416cdc
RW		 682009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
69
81ecdfbb
RW		 70 * config.in: Regenerate.
71 * configure: Likewise.
72
d6416cdc
RW		 73 * configure: Regenerate.
74
b5bd9624
HPN		 752008-07-11 Hans-Peter Nilsson <hp@axis.com>
76
77 * configure: Regenerate to track ../common/common.m4 changes.
78 * config.in: Ditto.
79
6efef468
JM		 802008-06-06 Vladimir Prus <vladimir@codesourcery.com>
81 Daniel Jacobowitz <dan@codesourcery.com>
82 Joseph Myers <joseph@codesourcery.com>
83
84 * configure: Regenerate.
85
edc5d9ec
HPN		 862006-12-21 Hans-Peter Nilsson <hp@axis.com>
87
88 * acconfig.h: Remove.
89 * config.in: Regenerate.
90
e85e3205
RE		 912006-06-13 Richard Earnshaw <rearnsha@arm.com>
92
93 * configure: Regenerated.
94
2f0122dc
DJ		 952006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
96
97 * configure: Regenerated.
98
20e95c23
DJ		 992006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
100
101 * configure: Regenerated.
102
9517c978
NC		 1032006-04-18 Nick Clifton <nickc@redhat.com>
104
105 * interp.c (sim_stop_reason): Fix typo.
106
aba6488e
MM		 1072005-11-28 Mark Mitchell <mark@codesourcery.com>
108
109 * interp.c (gdb/signals.h): Include it.
110 (sim_stop_reason): Use TARGET_SIGNAL_*.
111
2b193c4a
MK		 1122005-03-23 Mark Kettenis <kettenis@gnu.org>
113
114 * configure: Regenerate.
115
35695fd6
AC		 1162005-01-14 Andrew Cagney <cagney@gnu.org>
117
118 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
119 explicit call to AC_CONFIG_HEADER.
120 * configure: Regenerate.
121
f0569246
AC		 1222005-01-12 Andrew Cagney <cagney@gnu.org>
123
124 * configure.ac: Update to use ../common/common.m4.
125 * configure: Re-generate.
126
38f48d72
AC		 1272005-01-11 Andrew Cagney <cagney@localhost.localdomain>
128
129 * configure: Regenerated to track ../common/aclocal.m4 changes.
130
b7026657
AC		 1312005-01-07 Andrew Cagney <cagney@gnu.org>
132
133 * configure.ac: Rename configure.in, require autoconf 2.59.
134 * configure: Re-generate.
135
379832de
HPN		 1362004-12-08 Hans-Peter Nilsson <hp@axis.com>
137
138 * configure: Regenerate for ../common/aclocal.m4 update.
139
0aaa4a81
AC		 1402004-06-28 Andrew Cagney <cagney@gnu.org>
141
142 * interp.c (sim_resume): Rename ui_loop_hook to
143 deprecated_ui_loop_hook.
144
fc0a2244
AC		 1452003-10-30 Andrew Cagney <cagney@redhat.com>
146
147 * simops.c: Replace "struct symbol_cache_entry" with "struct
148 bfd_symbol".
149
ea086965
AC		 1502003-06-22 Andrew Cagney <cagney@redhat.com>
151
152 * interp.c (xfer_mem): Simplify. Only do a single partial
153 transfer. Problem reported by Tom Rix.
154
f6684c31
AC		 1552003-05-07 Andrew Cagney <cagney@redhat.com>
156
157 * interp.c (sim_d10v_translate_addr): Add "regcache" parameter.
158 (sim_d10v_translate_imap_addr): Ditto.
159 (sim_d10v_translate_dmap_addr): Ditto.
160 (xfer_mem): Pass NULL regcache to sim_d10v_translate_addr.
161 (dmem_addr): Pass NULL regcache to sim_d10v_translate_dmap_addr.
162 (dmap_register, imap_register): Add "regcache" parameter.
163 (imem_addr): Pass NULL regcache to sim_d10v_translate_imap_addr.
164 (sim_fetch_register): Pass NULL regcache to imap_register and
165 dmap_register.
166
6b4a8935
AC		 1672003-02-27 Andrew Cagney <cagney@redhat.com>
168
169 * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
170
d25b1553
AC		 1712002-11-13 Andrew Cagney <cagney@redhat.com>
172
173 * simops.c: Include <string.h>.
174
57af9c8b
AC		 1752002-06-17 Andrew Cagney <cagney@redhat.com>
176
177 * d10v_sim.h (SET_PSW_BIT): Add cast to avoid inverting an enum.
178
c8cca39f
AC		 1792002-06-16 Andrew Cagney <ac131313@redhat.com>
180
181 * configure: Regenerated to track ../common/aclocal.m4 changes.
182
3d2957e6
TR		 1832002-06-13 Tom Rix <trix@redhat.com>
184
185 * interp.c (xfer_mem): Fix transfers across multiple segments.
186
3c25f8c7
AC		 1872002-06-09 Andrew Cagney <cagney@redhat.com>
188
189 * Makefile.in (INCLUDE): Update path to callback.h.
190 * gencode.c: Do not include "callback.h".
191 * d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
192 * interp.c: Ditto.
193
983b727e
AC		 1942002-06-08 Andrew Cagney <cagney@redhat.com>
195
196 * interp.c (sim_fetch_register): Fix name of enum used in cast.
197 (sim_store_register): Ditto.
198
676ab6a0 1992002-06-02 Elena Zannoni <ezannoni@redhat.com>
c7675842
EZ		 200
201 From Jason Eckhardt <jle@redhat.com>
202 * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is
203 less than MOD_S (post-decrement).
204
18c0df9e
AC		 2052002-06-01 Andrew Cagney <ac131313@redhat.com>
206
207 * interp.c (sim_fetch_register, sim_store_register): Use a switch
208 statement and enums from "sim-d10v.h".
209
1aa5e64f
EZ		 2102002-05-28 Elena Zannoni <ezannoni@redhat.com>
211
212 * interp.c (sim_create_inferior): Add comment.
213
214 From Alan Matsuoka <alanm@redhat.com>:
215 From 2001-04-27 Jason Eckhardt <jle@cygnus.com>:
216 * simops.c (OP_4400): Output "mvf0f" instead of "mf0f".
217 (OP_4401): Output "mvf0t" instead of "mf0t".
218 (OP_460B): Do not output a flag register.
219 (OP_4609): Do not output a flag register.
220
b91b96f4
AC		 2212002-05-23 Andrew Cagney <ac131313@redhat.com>
222
223 * Makefile.in (INCLUDE): Add "gdb/sim-d10v.h".
224 * interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h".
225
962b3ead
JM		 2262001-08-01 John R. Moore <jmoore@redhat.com>
227
228 * interp.c (sim_create_inferior): Removed a hack that stated
229 it was setting r0/r1 with argc/argv.
230
d4424ada
C		 2312001-04-15 J.T. Conklin <jtc@redback.com>
232
233 * Makefile.in (simops.o): Add simops.h to dependency list.
234
eb2d80b4
AC		 235Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
236
237 * configure: Regenerated to track ../common/aclocal.m4 changes.
238
27842f65
AC		 239Tue Apr 18 16:26:41 2000 Andrew Cagney <cagney@b1.cygnus.com>
240
241 * interp.c (sim_resume): Deliver SIGILL.
242 (lookup_hash): Do not print SIGILL message.
243
baa7ae6f
AC		 244Tue Feb 22 18:24:56 2000 Andrew Cagney <cagney@b1.cygnus.com>
245
246 * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
247 * interp.c (sim_set_trace): Replace sim_trace. Enable tracing.
248
ba744a4f
AC		 249Tue Feb 8 17:41:12 2000 Andrew Cagney <cagney@b1.cygnus.com>
250
251 * d10v_sim.h (SIG_D10V_BUS): Define.
252
253 * simops.c (address_exception): Delete function.
254 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
255 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
256 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
257 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
258 address_exception with code that sets SIG_D10V_BUS.
259
260 * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
261 error to the simulator before resuming execution.
262 (sim_trace): Check stop reason and use that to determine sim_trace
263 return value.
264 (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
265 sigrc.
266
267Tue Jan 18 16:07:42 MST 2000 Diego Novillo <dnovillo@cygnus.com>
268
269 * interp.c (sim_create_inferior): Change internal initial value for
270 DMAP2 to 0x2000.
271
c3f6f71d
JM		 272Mon Jan 3 02:06:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
273
274 * interp.c (lookup_hash): Stop the update of the PC when there was
275 an illegal instruction exception.
276
277Mon Jan 3 00:14:33 2000 Andrew Cagney <cagney@b1.cygnus.com>
278
279 * simops.c (address_exception): New function.
280 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
281 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
282 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
283 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
284 and "st2w" check that the address is aligned.
285
8ae7f924
FCE		 2861999-12-30 Chandra Chavva <cchavva@cygnus.com>
287
288 * d10v_sim.h (INC_ADDR): Added code to assign
289 proper address for loads with predec operations.
290
c2d11a7d
JM		 2911999-11-25 Nick Clifton <nickc@cygnus.com>
292
293 * simops.c (OP_4E0F): New function: Simulate new bit pattern for
294 cpfg instruction.
295
4ce44c66
JM		 296Fri Oct 29 18:34:28 1999 Andrew Cagney <cagney@b1.cygnus.com>
297
298 * simops.c (move_to_cr): Don't allow user to set PSW.DM in either
299 DPSW and BPSW.
300
301Thu Oct 28 01:26:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
302
303 * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
304 (PSW_HW_MASK): Declare.
305
306 * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
307 (SET_CREG, SET_PSW_BIT): Update.
308 (SET_HW_CREG, SET_HW_PSW): Define.
309
310Sun Oct 24 21:38:04 1999 Andrew Cagney <cagney@b1.cygnus.com>
311
312 * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
313 for DMAP3.
314
315Sun Oct 24 16:04:16 1999 Andrew Cagney <cagney@b1.cygnus.com>
316
317 * interp.c (sim_d10v_translate_addr): New function.
318 (xfer_mem): Rewrite. Use sim_d10v_translate_addr.
319 (map_memory): Make INLINE.
320
321Sun Oct 24 13:45:19 1999 Andrew Cagney <cagney@b1.cygnus.com>
322
323 * interp.c (sim_d10v_translate_dmap_addr): New function.
324 (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr. Change
325 offset parameter to type uint16.
326 * d10v_sim.h (dmem_addr): Update declaration.
327
328Sun Oct 24 13:07:31 1999 Andrew Cagney <cagney@b1.cygnus.com>
329
330 * interp.c (imap_register, set_imap_register, dmap_register,
331 set_imap_register): Use map_memory.
332 (DMAP): Update.
333 (sim_create_inferior): Initialize all DMAP registers. NOTE that
334 DMAP2, in internal memory mode, is set to 0x0000 and NOT
335 0x2000. This is consistent with the older d10v boards.
336
337Sun Oct 24 11:22:12 1999 Andrew Cagney <cagney@b1.cygnus.com>
338
339 * interp.c (sim_d10v_translate_imap_addr): New function.
340 (imem_addr): Rewrite. Use sim_d10v_translate_imap_addr.
341 (last_from, last_to): Declare.
342
343Sun Oct 24 01:21:56 1999 Andrew Cagney <cagney@b1.cygnus.com>
344
345 * d10v_sim.h (struct d10v_memory): Define. Support very long
346 memories.
347 (struct _state): Replace imem, dmem and umem by mem.
348 (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
349 DMEM_SEGMENTS, UMEM_SEGMENTS): Define.
350
351 * interp.c (map_memory): New function.
352 (sim_size, xfer_memory, imem_addr, dmem_addr): Update.
353 (UMEM_SEGMENTS): Moveed to "d10v_sim.h".
354 (IMEM_SIZEDMEM_SIZE): Delete.
355
356Sat Oct 23 20:06:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
357
358 * interp.c: Include "sim-d10v.h".
359 (imap_register, set_imap_register, dmap_register,
360 set_dmap_register, spi_register, spu_register, set_spi_register,
361 set_spu_register): New functions.
362 (sim_create_inferior): Update.
363 (sim_fetch_register, sim_store_register): Rewrite. Use enums
364 defined in sim-d10v.h.
365
366 * d10v_sim.h (DEBUG_MEMORY): Define.
367 (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
368
369Sat Oct 23 18:41:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
370
371 * interp.c (sim_open): Allow a debug value to be passed to the -t
372 option.
373 (lookup_hash): Don't exit on an illegal instruction.
374 (do_long, do_2_short, do_parallel): Check for failed instruction
375 lookup.
376
5c44784c
JM		 377Mon Oct 18 18:03:24 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
378
379 * simops.c (OP_3220): Fix trace output for illegal accumulator
4ce44c66 380 message.
5c44784c 381
c2c6d25f
JM		 3821999-09-14 Nick Clifton <nickc@cygnus.com>
383
384 * simops.c: Disable setting of DM bit in PSW.
385
cff3e48b
JM		 386Wed Sep 8 19:34:55 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
387
388 * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
389 (trace_input_func): Added support for OP_MEMREF3.
390 (OP_32010000): New instruction ld.
391 (OP_33010000): New instruction ld2w.
392 (OP_5209): New instruction sac.
393 (OP_4209): New instruction sachi.
394 (OP_3220): New instruction slae.
395 (OP_36010000): New instruction st.
396 (OP_37010000): New instruction st2w.
397
3981999-09-09 Stan Shebs <shebs@andros.cygnus.com>
399
400 * interp.c (old_segment_mapping): New global.
401 (xfer_mem): Change the default segment mapping to be the way
402 that Mitsubishi prefers, but use the previous mapping if
403 old_segment_mapping is true.
404 (sim_open): Add an option -oldseg to get the old mapping.
405 (sim_create_inferior): Init mapping registers based on the
406 value of old_segment_mapping.
407
d4f3574e
SS		 4081999-09-07 Nick Clifton <nickc@cygnus.com>
409
410 * simops.c (OP_6601): Do not write back decremented address if
411 either of the destination registers was the same as the address
412 register.
413 (OP_6201): Do not write back incremented address if either of the
414 destination registers was the same as the address register.
415
416Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
417
418 * configure: Regenerated to track ../common/aclocal.m4 changes.
419
cd0fc7c3
SS		 4201999-05-08 Felix Lee <flee@cygnus.com>
421
422 * configure: Regenerated to track ../common/aclocal.m4 changes.
423
7a292a7a
SS		 4241999-04-02 Keith Seitz <keiths@cygnus.com>
425
426 * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
427 defined).
428 (sim_resume): If the counter has expired, call the ui_loop_hook,
429 if defined.
430 (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
431 ui_loop_hook calls.
432 * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
433
434Wed Mar 10 19:32:13 1999 Nick Clifton <nickc@cygnus.com>
435
436 * simops.c: If load instruction with auto increment/decrement
437 addressing is used when the destination register is the same as
438 the address register, then ignore the auto increment/decrement.
439
440Wed Mar 10 19:32:13 1999 Martin M. Hunt <hunt@cygnus.com>
441
442 * simops.c (OP_5F00): Ifdef SYS_stat case because
443 not all systems have it defined.
444
c906108c
SS		 4451999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
446
447 * simops.c (OP_5607): Correct saturation comparison/assignment.
448 (OP_1201, OP_1203, OP_17001200, OP_17001202,
449 OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
450 OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
451
4521999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
453
454 * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
455 comparison.
456 (OP_5607): Ditto.
457 (OP_2A00): Ditto.
458 (OP_2800): Ditto.
459
4601999-01-13 Jason Molenda (jsm@bugshack.cygnus.com)
461
462 * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
463 comparison.
464
465Tue Nov 24 17:04:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
466
467 * simops.c (sys/syscall.h): Include targ-vals.h instead.
468 (SYS_*): Replace with TARGET_SYS_*.
469
470 * Makefile.in: Add dependency on targ-vals.h.
471 (NL_TARGET): Define as NL_TARGET_d10v.
472
473Wed Sep 30 00:06:32 1998 Andrew Cagney <cagney@amy.cygnus.com>
474
475 * interp.c (xfer_mem): Missing break, instruction memory case
476 flowed into unified memory case.
477
478Wed Sep 30 10:14:18 1998 Nick Clifton <nickc@cygnus.com>
479
480 * simops.c: If load instruction with auto increment/decrement
481 addressing is used when the destination register is the same as
482 the address register, then ignore the auto increment/decrement.
483
484Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
485
486 * configure: Regenerated to track ../common/aclocal.m4 changes.
487
488Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
489
490 * configure: Regenerated to track ../common/aclocal.m4 changes.
491 * config.in: Ditto.
492
493Sun Apr 26 15:20:23 1998 Tom Tromey <tromey@cygnus.com>
494
495 * acconfig.h: New file.
496 * configure.in: Reverted change of Apr 24; use sinclude again.
497
498Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
499
500 * configure: Regenerated to track ../common/aclocal.m4 changes.
501 * config.in: Ditto.
502
503Fri Apr 24 11:20:06 1998 Tom Tromey <tromey@cygnus.com>
504
505 * configure.in: Don't call sinclude.
506
507Fri Apr 24 11:04:46 1998 Andrew Cagney <cagney@chook.cygnus.com>
508
509 * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
510
511 * d10v_sim.h (remote-sim.h, sim-config.h): Include.
512
513Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
514
515 * configure: Regenerated to track ../common/aclocal.m4 changes.
516
517Wed Apr 1 12:59:17 1998 Andrew Cagney <cagney@b1.cygnus.com>
518
519 * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
520 up-to-date CR value.
521 (OP_OP_1000000, add3): Trace inputs before performing add.
522 (OP_5F00, <*>): Trace input registers before making system call.
523 (OP_5F00, <kill>): Trace R0, R1 not REGn.
524 (OP_5F00, <getpid>): Always return 47.
525
526 * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
527 SLOT_DISCARD, SLOT_FLUSH): Define. An implementation of write
528 back slots.
529 (struct _state): Add struct slot slot to global state variable.
530 (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
531 F0, F1, C from global State variable.
532 (struct _state): Add struct trace to global State variable.
533 (GPR, SET_GPR): Define. SET_GPR uses SLOT_PEND.
534 (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
535 (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
536 (INC_ADDR): Re-implement. Use SET_GPR to update registers.
537 (JMP): Re-implement. Use SET_* to update registers.
538
539 * interp.c: Use new SET_* et.al. macros to fetch / store
540 registers.
541 (get_operands): Squirrel away trace values at start of each
542 operand decode.
543 (do_2_short): Flush pending writes before issuing second
544 instruction.
545 (sim_resume): Flush pending writes at end of instruction cycle.
546 (sim_fetch_register, sim_store_register, sim_create_inferior):
547 After scheduling updates to registers using SET_*, flush updates.
548 (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
549 that each sets pc using SET_* and last SET_* eventually winds out.
550
551 * simops.c: Use new SET_* et.al. macros to fetch / store
552 registers.
553 (move_to_cr): Add MASK argument for selective update of CREG bits.
554 Re-implement using new SET_* macros.
555 (trace_output_func, trace_output): Delete. Replace with.
556 (do_trace_output_flush, trace_output_finish, trace_output_40,
557 trace_output_32, trace_output_16, trace_output_void,
558 trace_output_flag): New functions. Handle specific trace cases.
559 (OP_*): Re-write tracing to use new trace_output_* functions.
560 (OP_*): Re-write to use new SET_* et.al. macros.
561 (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
562 (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
563
564Wed Apr 1 12:55:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
565
566 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
567 configure: Re-generate.
568
569Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
570
571 * configure: Regenerated to track ../common/aclocal.m4 changes.
572
573Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
574
575 * configure: Regenerated to track ../common/aclocal.m4 changes.
576
577Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
578
579 * configure: Regenerated to track ../common/aclocal.m4 changes.
580
581Tue Feb 17 12:38:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
582
583 * interp.c (sim_store_register, sim_fetch_register): Pass in
584 length parameter. Return -1.
585
586Mon Oct 27 14:43:33 1997 Fred Fish <fnf@cygnus.com>
587
588 * (dmem_addr): If address is illegal or in I/O space, signal a bus
589 error. Allocate unified memory on demand. Fix DMEM address
590 calculations.
591
592Mon Feb 16 10:27:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
593
594 * simops.c (OP_5F20): Implement "dbt".
595 (OP_5F60): Implement "rtd".
596
597 * d10v_sim.h (DPC_CR): Define enum.
598 (DBT_VECTOR_START): Define
599 (DPSW, DPC): Define.
600
601Fri Feb 13 15:15:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
602
603 * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
604 to PSW:SM.
605
606 * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
607 (SP_IDX): Define.
608
609Wed Feb 11 16:53:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
610
611 * simops.c (OP_5F00): Call error instead of abort for unknown
612 syscalls.
613
614 * d10v_sim.h (enum): Define DPSW_CR.
615
616 * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
617
618Tue Feb 10 18:28:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
619
620 * interp.c (sim_write_phys): Delete.
621 (sim_load): Call sim_load_file with sim_write and LMA.
622
623Mon Feb 9 12:05:01 1998 Andrew Cagney <cagney@b1.cygnus.com>
624
625 * interp.c: Rewrite xfer_mem so that it translates addresses as -
626 0x00... - DMAP translated memory, 0x01... IMAP translated memory,
627 0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
628 memory.
629 (pc_addr): Delete.
630 (imem_addr): New function - translate IMEM address.
631 (sim_resume): Use imem_addr to translate insn address, abort if
632 translation failed.
633 (sim_create_inferior): Write ARGV to memory using sim_write. Pass
634 argc/argv using r0/r1 not r2/r3.
635 (sim_size): Do not initialize IMAP/DMAP here.
636 (sim_open): Call sim_create_inferior and sim_size to initialize
637 the system.
638 (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
639 defaults.
640 (init_system): Delete.
641 (xfer_mem, sim_fetch_register, sim_store_register): Do not call
642 init_system.
643 (decode_pc): Check prog_bfd is defined before looking up .text
644 section.
645
646Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
647
648 * configure: Regenerated to track ../common/aclocal.m4 changes.
649
650Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
651
652 * configure: Regenerated to track ../common/aclocal.m4 changes.
653
654Sun Jan 25 22:23:01 1998 Michael Meissner <meissner@cygnus.com>
655
656 * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
657
658Sat Jan 24 19:00:30 1998 Michael Meissner <meissner@cygnus.com>
659
660 * d10v_sim.h (DEBUG_TRAP): New debug flag.
661
662 * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
663 printing the registers.
664
665Thu Jan 22 17:54:01 1998 Michael Meissner <meissner@cygnus.com>
666
667 * simops.c (op_types): New ABI, args are r0..r3, system call # is
668 in r4.
669 (trace_{in,out}put_func): Ditto.
670 (OP_4900): Ditto.
671 (OP_24800000): Ditto.
672 (OP_4D00): Ditto.
673 (OP_5F00): Ditto.
674
675Thu Jan 22 14:30:36 1998 Fred Fish <fnf@cygnus.com>
676
677 * interp.c (UMEM_SEGMENTS): New define, set to 128.
678 (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
679 (sim_close): Reset prog_bfd to NULL after closing it. Also
680 reset prog_bfd_was_opened_p after closing prog_bfd.
681 (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
682 (sim_create_inferior): Get start address from abfd not prog_bfd.
683 (xfer_mem): Do bounds checking on addresses and return zero length
684 read/write on bad addresses, rather than aborting. Prepare to
685 be able to handle xfers that cross segment boundaries, but not
686 yet implemented. Only emit debug message when d10v_debug is
687 set as well as DEBUG being defined.
688
689Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
690
691 * configure: Regenerated to track ../common/aclocal.m4 changes.
692
693Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
694
695 * configure: Regenerated to track ../common/aclocal.m4 changes.
696 * config.in: Ditto.
697
698Tue Dec 9 10:28:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
699
700 * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
701 (BPSW): Ditto for BPSW_CR and not PSW_CR.
702
703 * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
704
705Mon Dec 8 12:58:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
706
707 * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
708 reserved trap from 0 to 15. Add trap emulation code for 0-14.
709
710 * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
711 IBA for SDBT.
712
713 * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
714 SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
715
716 * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
717 use move_to_cr.
718 (OP_5F00): For "trap", update BPSW with move_to_cr.
719
720Fri Dec 5 15:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
721
722 * d10v_sim.h (enum): Enumerate CR register names.
723 (enum): Enumerate PSW bit values.
724 (PSW): Obtain value uing move_from_cr.
725 (MOD_S, MOD_E, BPSW): Make r-values.
726 (move_from_cr, move_to_cr): Declare functions.
727
728 * interp.c (sim_fetch_register, sim_store_register): Use
729 move_from_cr and move_to_cr for CR register transfers.
730
731 * simops.c (move_from_cr, move_to_cr): New functions.
732 (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
733 (OP_5600): For "mvtc", use function move_to_cr.
734 (OP_5200): For "mvfc", use function move_from_cr.
735
736Fri Dec 5 13:33:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
737
738 * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
739 LSbit is zero.
740
741Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
742
743 * configure: Regenerated to track ../common/aclocal.m4 changes.
744
745Thu Dec 4 16:51:02 1997 Andrew Cagney <cagney@b1.cygnus.com>
746
747 * d10v_sim.h (struct _state): Add DM - PSW debug mask.
748
749 * simops.c (OP_5600): For "mvtc", save PSW.DM.
750 (OP_5200): Ditto for "mvfc".
751
752Wed Dec 3 17:27:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
753
754 * d10v_sim.h (SEXT56): Define.
755
756 * simops.c (OP_4201): For "rac", sign extend 56 bit value before
757 it is shifted.
758
759 * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
760 SIGNED64 macro.
761
762Tue Dec 2 15:38:34 1997 Fred Fish <fnf@cygnus.com>
763
764 * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
765 RIGHT_FIRST, as appropriate, instead of hardcoded ints that
766 don't match enum values.
767
768Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
769
770 * simops.c (OP_3A00): For "macu", perform multiply stage using 32
771 bit rather than 16 bit precision.
772 (OP_3C00): For "mulxu", store unsigned product in ACC.
773 (OP_3800): For "msbu", subtract unsigned product from ACC,
774 (OP_0): For "sub", compute carry by comparing inputs.
775
776Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
777
778 * simops.c (OP_1000): For "sub2w", compute carry by comparing
779 inputs.
780
781Mon Nov 17 20:57:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
782
783 * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
784 carry indicated by value > 0xffff.
785
786Fri Nov 14 12:51:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
787
788 * interp.c (sim_resume): Don't set up SIGINT handler using signal,
789 handled by client.
790 (sim_resume): Fix race condition of a direct assignment to
791 stop_simulator, conditionally call sim_stop.
792 (sim_stop_reason): Check stop_simulator returning SIGINT. Clear
793 stop_simulator ready for next sim_resume call.
794 (sim_ctrl_c): Delete function.
795
796Thu Nov 13 19:29:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
797
798 * interp.c (sim_resume): For "REP", only check/update the PC when
799 a branch instruction has not been executed.
800
801Mon Nov 10 17:50:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
802
803 * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC. Sign
804 extend bit 44 all constants.
805 (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
806
807Fri Oct 24 10:26:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
808
809 * d10v_sim.h: Include sim-types.h.
810 (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
811 using unsigned8 et.al. from sim-types.h.
812 (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
813 SIGNED64 macro.
814
815Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
816
817 * interp.c (sim_write_phys): New function, write to physical
818 instead of virtual memory.
819
820 * interp.c (sim_load): Pass lma_p and sim_write_phys to
821 sim_load_file.
822
823Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com>
824
825 * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
826 exception generation code to OP_6E01.
827 (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
828 generation code.
829
830Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com>
831
832 * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
833 (OP_6601): Ditto.
834
835Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
836
837 * configure: Regenerated to track ../common/aclocal.m4 changes.
838
839Sat Sep 27 12:51:34 1997 Fred Fish <fnf@cygnus.com>
840
841 * interp.c (pc_addr): Discard upper bit(s) of PC in case
842 IMAP1 selects unified memory.
843 * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
844 for end condition.
845
846Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
847
848 * configure: Regenerated to track ../common/aclocal.m4 changes.
849
850Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
851
852 * configure: Regenerated to track ../common/aclocal.m4 changes.
853
854Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
855
856 * configure: Regenerated to track ../common/aclocal.m4 changes.
857
858Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
859
860 * configure: Regenerated to track ../common/aclocal.m4 changes.
861
862Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
863
864 * configure: Regenerated to track ../common/aclocal.m4 changes.
865
866Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com>
867
868 * interp.c (sim_resume): Increment PC at end of rep
869 loop.
870
871 * simops.c (OP_4201): Fix rachi instruction.
872
873Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
874
875 * configure: Regenerated to track ../common/aclocal.m4 changes.
876
877Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
878
879 * configure: Regenerated to track ../common/aclocal.m4 changes.
880 * config.in: Ditto.
881
882Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
883
884 * interp.c (sim_kill): Delete.
885 (sim_create_inferior): Add ABFD argument.
886 (sim_load): Move setting of PC from here.
887 (sim_create_inferior): To here.
888 (start_address): Delete variable.
889
890Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
891
892 * configure: Regenerated to track ../common/aclocal.m4 changes.
893 * config.in: Ditto.
894
895Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
896
897 * interp.c (sim_open): Add ABFD argument.
898
899Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
900
901 * interp.c (sim_open): Add callback argument.
902 (sim_set_callbacks): Remove SIM_DESC argument.
903
904Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
905
906 * configure: Regenerated to track ../common/aclocal.m4 changes.
907
908Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
909
910 * interp.c (sim_open): Undo patch to add -E support.
911
912Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
913
914 * interp.c (sim_stop): New function.
915
916Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
917
918 * Makefile.in (SIM_OBJS): Add sim-load.o.
919 * d10v_sim.h (exec_bfd): Rename to prog_bfd.
920 * interp.c: #include bfd.h.
921 (myname, sim_kind, start_address): New static locals.
922 (prog_bfd_was_opened_p, prog_bfd): New static locals.
923 (decode_pc): Update to use prog_bfd.
924 (sim_open): Set sim_kind, myname. Ignore -E arg.
925 (sim_close): Close prog_bfd if simulator opened it.
926 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
927 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
928 Call sim_load_file to load file into simulator.
929 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
930
931Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
932
933 * simops.c (OP_5F00): Only provide system calls SYS_execv,
934 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
935
936Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
937
938 * configure: Regenerated to track ../common/aclocal.m4 changes.
939 * config.in: Ditto.
940
941Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
942
943 * interp.c (sim_open): New arg `kind'.
944
945 * configure: Regenerated to track ../common/aclocal.m4 changes.
946
947Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
948
949 * configure: Regenerated to track ../common/aclocal.m4 changes.
950
951Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
952
953 * configure: Re-generate.
954
955Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
956
957 * configure: Regenerate to track ../common/aclocal.m4 changes.
958
959 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
960 as trap 0, which will be deprecated. Only set errno, if an error
961 in fact was returned.
962
963Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
964
965 * interp.c: Delete redundant prototypes of sim_foo fns.
966 (sim_open): New SIM_DESC result. Argument is now in argv form.
967 (other sim_*): New SIM_DESC argument.
968
969Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
970
971 * simops.c (trace_{input,output}_func): Call flush_stdout from the
972 callback functions.
973 (OP_5F00): Ditto.
974 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
975 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
976 setting the carry bit after an add or a subtract.
977
978Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
979
980 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
981 40 bits of accumulators. Sign/zero extend as appropriate.
982
983Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
984
985 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
986 COMMON_{PRE,POST}_CONFIG_FRAG instead.
987 * configure.in: sinclude ../common/aclocal.m4.
988 * configure: Regenerated.
989
990Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
991
992 * configure configure.in Makefile.in: Update to new configure
993 scheme which is more compatible with WinGDB builds.
994 * configure.in: Improve comment on how to run autoconf.
995 * configure: Re-run autoconf to get new ../common/aclocal.m4.
996 * Makefile.in: Use autoconf substitution to install common
997 makefile fragment.
998
999Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
1000
1001 * gencode.c: patch to not #include "d10v_sim.h" which
1002 unecessarily includes bfd.h and causes wingdb configure
1003 to fail.
1004
1005Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1006
1007 * interp.c (xfer_mem): Change unified memory to 0x0.
1008
1009Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1010
1011 * simops.c (OP_3E01): Fix tracing information.
1012 (OP_300{0,1}): Do not propigate sign.
1013
1014Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
1015
1016 * config.in (WORDS_BIGENDIAN): Add.
1017 * configure: Regenerated.
1018 * d10v_sim.h: #include "config.h"
1019
1020Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1021
1022 * gencode.c (write_opcodes): Eliminate warnings when generated
1023 table.c is compiled.
1024
1025Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1026
1027 * interp.c (sim_open): Cast result of calloc, and make sure NULL
1028 was not returned.
1029 (dmem_addr): If address is illegal or in I/O space, signal a bus
1030 error.
1031 (pc_addr): Signal bus error, not illegal instruction for bogus
1032 pc.
1033
1034Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
1035
1036 * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
1037 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
1038 * configure.in: Simplify using macros in ../common/aclocal.m4.
1039 Call AC_CHECK_HEADERS(unistd.h).
1040 * configure: Regenerated.
1041 * config.in: New file.
1042 * interp.c: #include "callback.h".
1043 * simops.c: #include "config.h". #include <unistd.h> if present.
1044
1045Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1046
1047 * d10v-sim.h (simops): Add flag is_long.
1048 (State): Add pc_changed. Instructions which update the PC should
1049 use the JMP macro which sets this.
1050 (JMP): New macro. Sets the PC and the pc_changed flag.
1051
1052 * gencode.c (write_opcodes): Add is_long field.
1053
1054 * interp.c (lookup_hash): If we blindly apply a short opcode's mask
1055 to a long opcode we could get a false match. Check the opcode size.
1056 (hash): Add a size field to the hash table.
1057 (sim_open): Initialize size field in hash table.
1058 (sim_resume): Change to logic for setting the PC. Used to increment the
1059 PC if it had not been changed. This didn't allow single-instruction loops.
1060 Now checks the flag State.pc_changed. Also now stops when ^C is received.
1061 (dmem_addr): Fix translation of data segments to unified memory.
1062 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
1063
1064 * simops.c: Changed all branch and jump instructions to use new JMP macro.
1065 (OP_20000000): Corrected trace information to show this is a ldi.l, not
1066 a ldi.s instruction.
1067
1068Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1069
1070 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
1071 updating the accumulators was overwriting other parts of the global
1072 State variable.
1073
1074Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1075
1076 * interp.c (bfd.h) Don't include it here any more.
1077 (text{,_start,_end}): Move here from simops.c and make extern.
1078 (decode_pc): New function to return the PC as an address that the
1079 debugger can use.
1080 (dmem_addr): Print decoded PC in error message.
1081 (pc_addr): Ditto.
1082
1083 * simops.c (bfd.h) Don't include it here any more.
1084 (text{,_start,_end}): Move to simops.c.
1085 (trace_input_func): Move decoding of PC, and looking up .text
1086 start to decode_pc.
1087
1088 * d10v_sim.h (bfd.h): Include it here.
1089 (text{,_start,_end}): Add external declarations.
1090 (exec_bfd): Ditto.
1091 (decode_pc): Ditto.
1092
1093Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1094
1095 * interp.c (sim_size): Now allocates unified memory for imap segments
1096 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
1097 (sim_write): Just call xfer_mem().
1098 (sim_read): Just call xfer_mem().
1099 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
1100 (dmem_addr): New function. Reads dmap register and translates data
1101 addresses to local addresses.
1102 (pc_addr): New function. Reads imap register and computes local address
1103 corresponding to contents of the PC.
1104 (sim_resume): Change to use pc_addr().
1105 (sim_create_inferior): Change reinitialization code. Also reinitializes
1106 imap[01] and dmap.
1107 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1108 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1109
1110 * simops.c (MEMPTR): Redefine to use dmem_addr().
1111 (OP_5F00): Replace references to STate.imem with dmem_addr().
1112
1113 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
1114 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
1115 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
1116
1117Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1118
1119 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
1120 better statistics, like not counting NOPS as parallel
1121 instructions, and printing total cycles.
1122 (ins_type_counters): Make unsigned long.
1123 (left_nops,right_nops): Fold into ins_type_counters.
1124
1125 * simops.c (trace_input_func): Print new instruction types.
1126 Handle OP_R2R3 as input types.
1127 (OP_{38000000,7000}): Correctly sign extend bytes.
1128 (OP_5E00): Don't count NOPs as parallel instructions.
1129 (OP_460B): Remove unused variable.
1130 (OP_5F00): Ditto.
1131
1132 * interp.c (ins_type_counters): Make unsigned long.
1133 (left_nops,right_nops): Delete.
1134 (most functions): Add prototypes.
1135 (INLINE): If GCC and optimize define as __inline__.
1136 ({,lookup_}hash,get_operands): Declare as INLINE.
1137 (do_parallel): Count conditional operations.
1138 (add_commas): New function, to add commas every 3 digits.
1139 (sim_size): Call add_commas to print numbers.
1140 (sim_{open,resume}): Delete unused variables.
1141 (sim_info): Provide better statistics.
1142 (sim_read): Add int return type.
1143
1144Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1145
1146 * interp.c (sim_resume): Change the way single-stepping and exceptions
1147 are handled so single-stepping works again.
1148
1149Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1150
1151 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
1152 endian hosts.
1153
1154 * configure.in (--enable-sim-bswap): New switch to enable using
1155 the BSWAP instruction on x86's.
1156 * configure: Regenerate.
1157
1158 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
1159 support.
1160
1161Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1162
1163 * endian.c: New file. Move endian functions here from interp.c.
1164 Optimize code, and make it work as either inline functions or as a
1165 separate file.
1166
1167 * interp.c: Move endian functions from here to endian.c.
1168
1169 * Makefile.in (INCLUDE): Add endian.c.
1170 (run,libsim.a): Add dependency on endian.o.
1171 (endian.o): Add dependency.
1172
1173 * d10v_sim.h (read/write support): Always go through the machine
1174 independent endian functions. If compiling with GCC and
1175 optimizing, include endian.c so the endian functions are inlined.
1176
1177 * simops.c (OP_5F00): Correct tracing of accumulators.
1178
1179Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1180
1181 * simops.c (OP_5F00): Add support for getpid, kill system calls.
1182
1183 * interp.c (do_{2_short,parallel}): If an exception is raised,
1184 don't execute the second instruction.
1185
1186Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1187
1188 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
1189 temporary in case the register is overriden when loading.
1190 (OP_6200): Output type is OP_DREG for tracing.
1191
1192Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1193
1194 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
1195
1196 * interp.c (sim_size): Initialize mem_{min,max} fields.
1197 (sim_write): Update mem_{min,max} fields.
1198 (sim_resume): If PC is not in the minimum/maximum memory range,
1199 abort.
1200 (sim_create_inferior): Preserve mem_{min,max} fields.
1201
1202Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
1203
1204 * simops.c (OP_5F00): Add support for time() system call.
1205
1206Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1207
1208 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
1209 stored if tracing.
1210 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
1211 system calls.
1212
1213Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1214
1215 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
1216 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
1217 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
1218 to call/subroutine returns to trace the first two arguments and
1219 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
1220
1221Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1222
1223 * interp.c (sim_create_inferior): Reinitialize State every time
1224 sim_create_inferior() is called.
1225
1226Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
1227
1228 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
1229 on comparisons.
1230 (OP_401): Fix tracing information.
1231
1232Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1233
1234 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
1235 (trace_input_func): Use them.
1236 (trace_input_func): Make sure there is a trailing space after the
1237 instruction.
1238 (OP_6200): Fix tracing info.
1239
1240 * Makefile.in (run): Add dependencies on libbfd.a and
1241 libiberity.a.
1242
1243Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1244
1245 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
1246 numbers and function names in debug trace.
1247 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
1248 DEBUG_LINE_NUMBER.
1249 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
1250 and exit system call trap being executed.
1251
1252 * interp.c (sim_stop_reason): Set exit code correctly for stop
1253 instruction and exit system call trap.
1254
1255 * configure.in (--enable-sim-cflags): Remove trace case.
1256 (--enable-sim-debug): New switch to set the debug values.
1257 * configure: Regenerate.
1258
1259 * simops.c (trace_{input,output}_func): Rename from
1260 trace_{input,output}.
1261 (trace_{input,output}): Call trace_{input,output}_func if
1262 d10v_debug is non-zero.
1263 (SIZE_INSTRUCTION): Cut down to 8.
1264 (SIZE_OPERANDS): Cut down to 18.
1265 (SIZE_LOCATION): New value for size of line number, function name
1266 field.
1267 (init_text_p,text{,_start,_end}): New static variables for
1268 printing line number and function name.
1269 (exec_bfd): New external that run.c sets.
1270 (trace_input_func): Print line number and function name if
1271 available and if desired.
1272 (OP_4E09): Don't print out DBT message.
1273 (OP_5FE0): Set exception field to SIG_D10V_STOP.
1274 (OP_5F00): Set exception field to SIG_D10V_EXIT.
1275
1276Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1277
1278 * interp.c (do_2_short): If the instruction encodes jump->ins,
1279 don't do the second instruction if the jump succeeds.
1280
1281Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1282
1283 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
1284 accumulators, PC, and F0/F1/C flags.
1285
1286Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
1287
1288 * simops.c (OP_5F00): Fix problems with system calls.
1289
1290Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1291
1292 * simops.c (OP_5F00): Correct tracing information for trap.
1293
1294Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1295
1296 * Makefile.in (CSEARCH): Correctly find opcodes directory.
1297
1298Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1299
1300 * simops.c (trace_output): Properly align accumulator output.
1301 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
1302 if shift count is too high.
1303 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
1304 (OP_4E09): Make cpfg properly trace the input flags.
1305 (op_types): Add OP_FLAG_OUTPUT.
1306 (trace_{input,output}): Support OP_FLAG_OUTPUT.
1307 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
1308 an 8-bit memory reference instruction for tracing purposes.
1309 (OP_201): Addi needs to set the carry.
1310
1311Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1312
1313 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
1314 to use signed register values.
1315
1316Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1317
1318 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
1319 output.
1320 (_ins_type): New enumeration to specify which container an
1321 instruction is in, and whether it is part of a parallel operation.
1322 (_state): Add ins_type field.
1323 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
1324 (ins_type_counters): Counters for the various instruction types.
1325 ({left,right}_nops): Counters for the number of nops in each
1326 container.
1327 (d10v_debug): New variable to indicate whether debugging is turned
1328 on.
1329
1330 * simops.c: (all functions): Change all #ifdef DEBUG code so that
1331 the input and output values can be traced, along with the
1332 instruction type. Make the -t option enable tracing.
1333 (all functions): Change printf calls to use the printf_filtered
1334 function in the callback table.
1335
1336 * interp.c (_leftright): New enumeration to say whether 2 short
1337 instructions are done left first or right first.
1338 (do_{long,2_short,parallel}): Indicate in the machine state which
1339 type of instruction this is. Count each of the types of
1340 instructions executed.
1341 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
1342 flag is set.
1343 (sim_resume): Pass left/right indication to do_2_short.
1344 (all functions): Change printf calls to use the printf_filtered
1345 function in the callback table.
1346 (sim_trace): Turn on debug flag if DEBUG was defined, and call
1347 sim_resume.
1348 (sim_info): Print out statistics on instructions.
1349 (sim_{trace,create_inferior}): Eliminate extraneous output unless
1350 debugging.
1351 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
1352 Only initialize the hash table the first time sim_open is called.
1353
1354 * Makefile.in: Make objects depend on d10v_sim.h.
1355 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
1356 CFLAGS does not override host/target defines or SIM_CFLAGS.
1357 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
1358 (run): By default, the math library is not needed to be linked
1359 in.
1360 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
1361 overridden.
1362 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
1363 makes.
1364 ({run,callback}.o): Provide explicit paths to their appropriate
1365 source directories.
1366 (gencode{,.o},d10v-opc.o): Split compilation into creating object
1367 and linking. Instead of linking in libopcodes.a, just compile
1368 d10v-opc.o directly to handle canadian cross.
1369 (CSEARCH): Add opcodes directory.
1370
1371 * configure.in (--enable-sim-cflags): New switch to allow user to
1372 set the defaults.
1373 (CC_FOR_BUILD): Deal with canadian crosses.
1374 * configure: Regenerate.
1375
1376Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
1377
1378 * simops.c: Include correct syscall.h for d10v, not host's.
1379 Fix #ifdef SYS_stat.
1380
1381Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1382
1383 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1384 Add trap 2 to be printf and trap 3 to be putchar.
1385
1386Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
1387
1388 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1389 for low-level system calls.
1390
1391Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1392
1393 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1394
1395Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1396
1397 * d10v_sim.h (SEXT32): Added.
1398 * interp.c: Commented out printfs.
1399 * simops.c: Fixed error in sb and st2w.
1400
1401Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1402
1403 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1404 DSP instructions. Added modulo addressing.
1405
1406Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1407
1408 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1409
1410Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1411
1412 * d10v_sim.h, simops.c: Snapshot.
1413
1414Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1415
1416 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1417 gencode.c, interp.c, simops.c: Created.
1418
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