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Replace static variables in the MSP430 simulator with fields in the cpu state structure.
[thirdparty/binutils-gdb.git] / sim / d10v / ChangeLog
CommitLineData
faa743bb
RM		 12014-08-15 Roland McGrath <mcgrathr@google.com>
2
3 * configure: Regenerate.
4 * config.in: Regenerate.
5
60d847df
MF		 62014-03-10 Mike Frysinger <vapier@gentoo.org>
7
8 * interp.c (sim_do_command): Add const to cmd.
9
b2b255bd
MF		 102014-03-05 Mike Frysinger <vapier@gentoo.org>
11
12 * interp.c (sim_load): Add const to prog.
13
1a8a700e
MF		 142014-03-04 Mike Frysinger <vapier@gentoo.org>
15
16 * configure: Regenerate.
17
bf3d9781
AM		 182013-09-23 Alan Modra <amodra@gmail.com>
19
20 * configure: Regenerate.
21
31e6ad7d
MF		 222013-06-03 Mike Frysinger <vapier@gentoo.org>
23
24 * aclocal.m4, configure: Regenerate.
25
d3685d60
TT		 262013-05-10 Freddie Chopin <freddie_chopin@op.pl>
27
28 * configure: Rebuild.
29
d0a5a356
JB		 302012-06-19 Joel Brobecker <brobecker@adacore.com>
31
32 * interp.c: #include "config.h" instead of "sysdep.h".
33 Add conditional include of string.h or strings.h, as well as
34 conditional include of stdlib.h.
35
5f3ef9d0
JB		 362012-06-15 Joel Brobecker <brobecker@adacore.com>
37
38 * config.in, configure: Regenerate.
39
a493e3e2
PA		 402012-05-24 Pedro Alves <palves@redhat.com>
41
42 PR gdb/7205
43
44 Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout.
45
2232061b
MF		 462012-03-24 Mike Frysinger <vapier@gentoo.org>
47
48 * aclocal.m4, config.in, configure: Regenerate.
49
db2e4d67
MF		 502011-12-03 Mike Frysinger <vapier@gentoo.org>
51
52 * aclocal.m4: New file.
53 * configure: Regenerate.
54
9c082ca8
MF		 552011-10-17 Mike Frysinger <vapier@gentoo.org>
56
57 * configure.ac: Change include to common/acinclude.m4.
58
6ffe910a
MF		 592011-10-17 Mike Frysinger <vapier@gentoo.org>
60
61 * configure.ac: Change AC_PREREQ to 2.64. Delete AC_CONFIG_HEADER
62 call. Replace common.m4 include with SIM_AC_COMMON.
63 * configure: Regenerate.
64
5558e7e6
MF		 652010-04-14 Mike Frysinger <vapier@gentoo.org>
66
67 * interp.c (sim_write): Add const to buffer arg.
68
3725885a
RW		 692010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
70
71 * configure: Regenerate.
72
d6416cdc
RW		 732009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
74
81ecdfbb
RW		 75 * config.in: Regenerate.
76 * configure: Likewise.
77
d6416cdc
RW		 78 * configure: Regenerate.
79
b5bd9624
HPN		 802008-07-11 Hans-Peter Nilsson <hp@axis.com>
81
82 * configure: Regenerate to track ../common/common.m4 changes.
83 * config.in: Ditto.
84
6efef468
JM		 852008-06-06 Vladimir Prus <vladimir@codesourcery.com>
86 Daniel Jacobowitz <dan@codesourcery.com>
87 Joseph Myers <joseph@codesourcery.com>
88
89 * configure: Regenerate.
90
edc5d9ec
HPN		 912006-12-21 Hans-Peter Nilsson <hp@axis.com>
92
93 * acconfig.h: Remove.
94 * config.in: Regenerate.
95
e85e3205
RE		 962006-06-13 Richard Earnshaw <rearnsha@arm.com>
97
98 * configure: Regenerated.
99
2f0122dc
DJ		 1002006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
101
102 * configure: Regenerated.
103
20e95c23
DJ		 1042006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
105
106 * configure: Regenerated.
107
9517c978
NC		 1082006-04-18 Nick Clifton <nickc@redhat.com>
109
110 * interp.c (sim_stop_reason): Fix typo.
111
aba6488e
MM		 1122005-11-28 Mark Mitchell <mark@codesourcery.com>
113
114 * interp.c (gdb/signals.h): Include it.
115 (sim_stop_reason): Use TARGET_SIGNAL_*.
116
2b193c4a
MK		 1172005-03-23 Mark Kettenis <kettenis@gnu.org>
118
119 * configure: Regenerate.
120
35695fd6
AC		 1212005-01-14 Andrew Cagney <cagney@gnu.org>
122
123 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
124 explicit call to AC_CONFIG_HEADER.
125 * configure: Regenerate.
126
f0569246
AC		 1272005-01-12 Andrew Cagney <cagney@gnu.org>
128
129 * configure.ac: Update to use ../common/common.m4.
130 * configure: Re-generate.
131
38f48d72
AC		 1322005-01-11 Andrew Cagney <cagney@localhost.localdomain>
133
134 * configure: Regenerated to track ../common/aclocal.m4 changes.
135
b7026657
AC		 1362005-01-07 Andrew Cagney <cagney@gnu.org>
137
138 * configure.ac: Rename configure.in, require autoconf 2.59.
139 * configure: Re-generate.
140
379832de
HPN		 1412004-12-08 Hans-Peter Nilsson <hp@axis.com>
142
143 * configure: Regenerate for ../common/aclocal.m4 update.
144
0aaa4a81
AC		 1452004-06-28 Andrew Cagney <cagney@gnu.org>
146
147 * interp.c (sim_resume): Rename ui_loop_hook to
148 deprecated_ui_loop_hook.
149
fc0a2244
AC		 1502003-10-30 Andrew Cagney <cagney@redhat.com>
151
152 * simops.c: Replace "struct symbol_cache_entry" with "struct
153 bfd_symbol".
154
ea086965
AC		 1552003-06-22 Andrew Cagney <cagney@redhat.com>
156
157 * interp.c (xfer_mem): Simplify. Only do a single partial
158 transfer. Problem reported by Tom Rix.
159
f6684c31
AC		 1602003-05-07 Andrew Cagney <cagney@redhat.com>
161
162 * interp.c (sim_d10v_translate_addr): Add "regcache" parameter.
163 (sim_d10v_translate_imap_addr): Ditto.
164 (sim_d10v_translate_dmap_addr): Ditto.
165 (xfer_mem): Pass NULL regcache to sim_d10v_translate_addr.
166 (dmem_addr): Pass NULL regcache to sim_d10v_translate_dmap_addr.
167 (dmap_register, imap_register): Add "regcache" parameter.
168 (imem_addr): Pass NULL regcache to sim_d10v_translate_imap_addr.
169 (sim_fetch_register): Pass NULL regcache to imap_register and
170 dmap_register.
171
6b4a8935
AC		 1722003-02-27 Andrew Cagney <cagney@redhat.com>
173
174 * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
175
d25b1553
AC		 1762002-11-13 Andrew Cagney <cagney@redhat.com>
177
178 * simops.c: Include <string.h>.
179
57af9c8b
AC		 1802002-06-17 Andrew Cagney <cagney@redhat.com>
181
182 * d10v_sim.h (SET_PSW_BIT): Add cast to avoid inverting an enum.
183
c8cca39f
AC		 1842002-06-16 Andrew Cagney <ac131313@redhat.com>
185
186 * configure: Regenerated to track ../common/aclocal.m4 changes.
187
3d2957e6
TR		 1882002-06-13 Tom Rix <trix@redhat.com>
189
190 * interp.c (xfer_mem): Fix transfers across multiple segments.
191
3c25f8c7
AC		 1922002-06-09 Andrew Cagney <cagney@redhat.com>
193
194 * Makefile.in (INCLUDE): Update path to callback.h.
195 * gencode.c: Do not include "callback.h".
196 * d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
197 * interp.c: Ditto.
198
983b727e
AC		 1992002-06-08 Andrew Cagney <cagney@redhat.com>
200
201 * interp.c (sim_fetch_register): Fix name of enum used in cast.
202 (sim_store_register): Ditto.
203
676ab6a0 2042002-06-02 Elena Zannoni <ezannoni@redhat.com>
c7675842
EZ		 205
206 From Jason Eckhardt <jle@redhat.com>
207 * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is
208 less than MOD_S (post-decrement).
209
18c0df9e
AC		 2102002-06-01 Andrew Cagney <ac131313@redhat.com>
211
212 * interp.c (sim_fetch_register, sim_store_register): Use a switch
213 statement and enums from "sim-d10v.h".
214
1aa5e64f
EZ		 2152002-05-28 Elena Zannoni <ezannoni@redhat.com>
216
217 * interp.c (sim_create_inferior): Add comment.
218
219 From Alan Matsuoka <alanm@redhat.com>:
220 From 2001-04-27 Jason Eckhardt <jle@cygnus.com>:
221 * simops.c (OP_4400): Output "mvf0f" instead of "mf0f".
222 (OP_4401): Output "mvf0t" instead of "mf0t".
223 (OP_460B): Do not output a flag register.
224 (OP_4609): Do not output a flag register.
225
b91b96f4
AC		 2262002-05-23 Andrew Cagney <ac131313@redhat.com>
227
228 * Makefile.in (INCLUDE): Add "gdb/sim-d10v.h".
229 * interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h".
230
962b3ead
JM		 2312001-08-01 John R. Moore <jmoore@redhat.com>
232
233 * interp.c (sim_create_inferior): Removed a hack that stated
234 it was setting r0/r1 with argc/argv.
235
d4424ada
C		 2362001-04-15 J.T. Conklin <jtc@redback.com>
237
238 * Makefile.in (simops.o): Add simops.h to dependency list.
239
eb2d80b4
AC		 240Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
241
242 * configure: Regenerated to track ../common/aclocal.m4 changes.
243
27842f65
AC		 244Tue Apr 18 16:26:41 2000 Andrew Cagney <cagney@b1.cygnus.com>
245
246 * interp.c (sim_resume): Deliver SIGILL.
247 (lookup_hash): Do not print SIGILL message.
248
baa7ae6f
AC		 249Tue Feb 22 18:24:56 2000 Andrew Cagney <cagney@b1.cygnus.com>
250
251 * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
252 * interp.c (sim_set_trace): Replace sim_trace. Enable tracing.
253
ba744a4f
AC		 254Tue Feb 8 17:41:12 2000 Andrew Cagney <cagney@b1.cygnus.com>
255
256 * d10v_sim.h (SIG_D10V_BUS): Define.
257
258 * simops.c (address_exception): Delete function.
259 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
260 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
261 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
262 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
263 address_exception with code that sets SIG_D10V_BUS.
264
265 * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
266 error to the simulator before resuming execution.
267 (sim_trace): Check stop reason and use that to determine sim_trace
268 return value.
269 (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
270 sigrc.
271
272Tue Jan 18 16:07:42 MST 2000 Diego Novillo <dnovillo@cygnus.com>
273
274 * interp.c (sim_create_inferior): Change internal initial value for
275 DMAP2 to 0x2000.
276
c3f6f71d
JM		 277Mon Jan 3 02:06:07 2000 Andrew Cagney <cagney@b1.cygnus.com>
278
279 * interp.c (lookup_hash): Stop the update of the PC when there was
280 an illegal instruction exception.
281
282Mon Jan 3 00:14:33 2000 Andrew Cagney <cagney@b1.cygnus.com>
283
284 * simops.c (address_exception): New function.
285 (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
286 OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
287 OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
288 OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
289 and "st2w" check that the address is aligned.
290
8ae7f924
FCE		 2911999-12-30 Chandra Chavva <cchavva@cygnus.com>
292
293 * d10v_sim.h (INC_ADDR): Added code to assign
294 proper address for loads with predec operations.
295
c2d11a7d
JM		 2961999-11-25 Nick Clifton <nickc@cygnus.com>
297
298 * simops.c (OP_4E0F): New function: Simulate new bit pattern for
299 cpfg instruction.
300
4ce44c66
JM		 301Fri Oct 29 18:34:28 1999 Andrew Cagney <cagney@b1.cygnus.com>
302
303 * simops.c (move_to_cr): Don't allow user to set PSW.DM in either
304 DPSW and BPSW.
305
306Thu Oct 28 01:26:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
307
308 * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
309 (PSW_HW_MASK): Declare.
310
311 * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
312 (SET_CREG, SET_PSW_BIT): Update.
313 (SET_HW_CREG, SET_HW_PSW): Define.
314
315Sun Oct 24 21:38:04 1999 Andrew Cagney <cagney@b1.cygnus.com>
316
317 * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
318 for DMAP3.
319
320Sun Oct 24 16:04:16 1999 Andrew Cagney <cagney@b1.cygnus.com>
321
322 * interp.c (sim_d10v_translate_addr): New function.
323 (xfer_mem): Rewrite. Use sim_d10v_translate_addr.
324 (map_memory): Make INLINE.
325
326Sun Oct 24 13:45:19 1999 Andrew Cagney <cagney@b1.cygnus.com>
327
328 * interp.c (sim_d10v_translate_dmap_addr): New function.
329 (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr. Change
330 offset parameter to type uint16.
331 * d10v_sim.h (dmem_addr): Update declaration.
332
333Sun Oct 24 13:07:31 1999 Andrew Cagney <cagney@b1.cygnus.com>
334
335 * interp.c (imap_register, set_imap_register, dmap_register,
336 set_imap_register): Use map_memory.
337 (DMAP): Update.
338 (sim_create_inferior): Initialize all DMAP registers. NOTE that
339 DMAP2, in internal memory mode, is set to 0x0000 and NOT
340 0x2000. This is consistent with the older d10v boards.
341
342Sun Oct 24 11:22:12 1999 Andrew Cagney <cagney@b1.cygnus.com>
343
344 * interp.c (sim_d10v_translate_imap_addr): New function.
345 (imem_addr): Rewrite. Use sim_d10v_translate_imap_addr.
346 (last_from, last_to): Declare.
347
348Sun Oct 24 01:21:56 1999 Andrew Cagney <cagney@b1.cygnus.com>
349
350 * d10v_sim.h (struct d10v_memory): Define. Support very long
351 memories.
352 (struct _state): Replace imem, dmem and umem by mem.
353 (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
354 DMEM_SEGMENTS, UMEM_SEGMENTS): Define.
355
356 * interp.c (map_memory): New function.
357 (sim_size, xfer_memory, imem_addr, dmem_addr): Update.
358 (UMEM_SEGMENTS): Moveed to "d10v_sim.h".
359 (IMEM_SIZEDMEM_SIZE): Delete.
360
361Sat Oct 23 20:06:58 1999 Andrew Cagney <cagney@b1.cygnus.com>
362
363 * interp.c: Include "sim-d10v.h".
364 (imap_register, set_imap_register, dmap_register,
365 set_dmap_register, spi_register, spu_register, set_spi_register,
366 set_spu_register): New functions.
367 (sim_create_inferior): Update.
368 (sim_fetch_register, sim_store_register): Rewrite. Use enums
369 defined in sim-d10v.h.
370
371 * d10v_sim.h (DEBUG_MEMORY): Define.
372 (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
373
374Sat Oct 23 18:41:18 1999 Andrew Cagney <cagney@b1.cygnus.com>
375
376 * interp.c (sim_open): Allow a debug value to be passed to the -t
377 option.
378 (lookup_hash): Don't exit on an illegal instruction.
379 (do_long, do_2_short, do_parallel): Check for failed instruction
380 lookup.
381
5c44784c
JM		 382Mon Oct 18 18:03:24 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
383
384 * simops.c (OP_3220): Fix trace output for illegal accumulator
4ce44c66 385 message.
5c44784c 386
c2c6d25f
JM		 3871999-09-14 Nick Clifton <nickc@cygnus.com>
388
389 * simops.c: Disable setting of DM bit in PSW.
390
cff3e48b
JM		 391Wed Sep 8 19:34:55 MDT 1999 Diego Novillo <dnovillo@cygnus.com>
392
393 * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
394 (trace_input_func): Added support for OP_MEMREF3.
395 (OP_32010000): New instruction ld.
396 (OP_33010000): New instruction ld2w.
397 (OP_5209): New instruction sac.
398 (OP_4209): New instruction sachi.
399 (OP_3220): New instruction slae.
400 (OP_36010000): New instruction st.
401 (OP_37010000): New instruction st2w.
402
4031999-09-09 Stan Shebs <shebs@andros.cygnus.com>
404
405 * interp.c (old_segment_mapping): New global.
406 (xfer_mem): Change the default segment mapping to be the way
407 that Mitsubishi prefers, but use the previous mapping if
408 old_segment_mapping is true.
409 (sim_open): Add an option -oldseg to get the old mapping.
410 (sim_create_inferior): Init mapping registers based on the
411 value of old_segment_mapping.
412
d4f3574e
SS		 4131999-09-07 Nick Clifton <nickc@cygnus.com>
414
415 * simops.c (OP_6601): Do not write back decremented address if
416 either of the destination registers was the same as the address
417 register.
418 (OP_6201): Do not write back incremented address if either of the
419 destination registers was the same as the address register.
420
421Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
422
423 * configure: Regenerated to track ../common/aclocal.m4 changes.
424
cd0fc7c3
SS		 4251999-05-08 Felix Lee <flee@cygnus.com>
426
427 * configure: Regenerated to track ../common/aclocal.m4 changes.
428
7a292a7a
SS		 4291999-04-02 Keith Seitz <keiths@cygnus.com>
430
431 * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
432 defined).
433 (sim_resume): If the counter has expired, call the ui_loop_hook,
434 if defined.
435 (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
436 ui_loop_hook calls.
437 * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
438
439Wed Mar 10 19:32:13 1999 Nick Clifton <nickc@cygnus.com>
440
441 * simops.c: If load instruction with auto increment/decrement
442 addressing is used when the destination register is the same as
443 the address register, then ignore the auto increment/decrement.
444
445Wed Mar 10 19:32:13 1999 Martin M. Hunt <hunt@cygnus.com>
446
447 * simops.c (OP_5F00): Ifdef SYS_stat case because
448 not all systems have it defined.
449
c906108c
SS		 4501999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
451
452 * simops.c (OP_5607): Correct saturation comparison/assignment.
453 (OP_1201, OP_1203, OP_17001200, OP_17001202,
454 OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
455 OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
456
4571999-01-26 Jason Molenda (jsm@bugshack.cygnus.com)
458
459 * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
460 comparison.
461 (OP_5607): Ditto.
462 (OP_2A00): Ditto.
463 (OP_2800): Ditto.
464
4651999-01-13 Jason Molenda (jsm@bugshack.cygnus.com)
466
467 * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
468 comparison.
469
470Tue Nov 24 17:04:43 1998 Andrew Cagney <cagney@b1.cygnus.com>
471
472 * simops.c (sys/syscall.h): Include targ-vals.h instead.
473 (SYS_*): Replace with TARGET_SYS_*.
474
475 * Makefile.in: Add dependency on targ-vals.h.
476 (NL_TARGET): Define as NL_TARGET_d10v.
477
478Wed Sep 30 00:06:32 1998 Andrew Cagney <cagney@amy.cygnus.com>
479
480 * interp.c (xfer_mem): Missing break, instruction memory case
481 flowed into unified memory case.
482
483Wed Sep 30 10:14:18 1998 Nick Clifton <nickc@cygnus.com>
484
485 * simops.c: If load instruction with auto increment/decrement
486 addressing is used when the destination register is the same as
487 the address register, then ignore the auto increment/decrement.
488
489Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
490
491 * configure: Regenerated to track ../common/aclocal.m4 changes.
492
493Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
494
495 * configure: Regenerated to track ../common/aclocal.m4 changes.
496 * config.in: Ditto.
497
498Sun Apr 26 15:20:23 1998 Tom Tromey <tromey@cygnus.com>
499
500 * acconfig.h: New file.
501 * configure.in: Reverted change of Apr 24; use sinclude again.
502
503Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
504
505 * configure: Regenerated to track ../common/aclocal.m4 changes.
506 * config.in: Ditto.
507
508Fri Apr 24 11:20:06 1998 Tom Tromey <tromey@cygnus.com>
509
510 * configure.in: Don't call sinclude.
511
512Fri Apr 24 11:04:46 1998 Andrew Cagney <cagney@chook.cygnus.com>
513
514 * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
515
516 * d10v_sim.h (remote-sim.h, sim-config.h): Include.
517
518Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
519
520 * configure: Regenerated to track ../common/aclocal.m4 changes.
521
522Wed Apr 1 12:59:17 1998 Andrew Cagney <cagney@b1.cygnus.com>
523
524 * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
525 up-to-date CR value.
526 (OP_OP_1000000, add3): Trace inputs before performing add.
527 (OP_5F00, <*>): Trace input registers before making system call.
528 (OP_5F00, <kill>): Trace R0, R1 not REGn.
529 (OP_5F00, <getpid>): Always return 47.
530
531 * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
532 SLOT_DISCARD, SLOT_FLUSH): Define. An implementation of write
533 back slots.
534 (struct _state): Add struct slot slot to global state variable.
535 (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
536 F0, F1, C from global State variable.
537 (struct _state): Add struct trace to global State variable.
538 (GPR, SET_GPR): Define. SET_GPR uses SLOT_PEND.
539 (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
540 (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
541 (INC_ADDR): Re-implement. Use SET_GPR to update registers.
542 (JMP): Re-implement. Use SET_* to update registers.
543
544 * interp.c: Use new SET_* et.al. macros to fetch / store
545 registers.
546 (get_operands): Squirrel away trace values at start of each
547 operand decode.
548 (do_2_short): Flush pending writes before issuing second
549 instruction.
550 (sim_resume): Flush pending writes at end of instruction cycle.
551 (sim_fetch_register, sim_store_register, sim_create_inferior):
552 After scheduling updates to registers using SET_*, flush updates.
553 (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
554 that each sets pc using SET_* and last SET_* eventually winds out.
555
556 * simops.c: Use new SET_* et.al. macros to fetch / store
557 registers.
558 (move_to_cr): Add MASK argument for selective update of CREG bits.
559 Re-implement using new SET_* macros.
560 (trace_output_func, trace_output): Delete. Replace with.
561 (do_trace_output_flush, trace_output_finish, trace_output_40,
562 trace_output_32, trace_output_16, trace_output_void,
563 trace_output_flag): New functions. Handle specific trace cases.
564 (OP_*): Re-write tracing to use new trace_output_* functions.
565 (OP_*): Re-write to use new SET_* et.al. macros.
566 (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
567 (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
568
569Wed Apr 1 12:55:18 1998 Andrew Cagney <cagney@b1.cygnus.com>
570
571 * configure.in (SIM_AC_OPTION_WARNINGS): Add.
572 configure: Re-generate.
573
574Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
575
576 * configure: Regenerated to track ../common/aclocal.m4 changes.
577
578Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
579
580 * configure: Regenerated to track ../common/aclocal.m4 changes.
581
582Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
583
584 * configure: Regenerated to track ../common/aclocal.m4 changes.
585
586Tue Feb 17 12:38:42 1998 Andrew Cagney <cagney@b1.cygnus.com>
587
588 * interp.c (sim_store_register, sim_fetch_register): Pass in
589 length parameter. Return -1.
590
591Mon Oct 27 14:43:33 1997 Fred Fish <fnf@cygnus.com>
592
593 * (dmem_addr): If address is illegal or in I/O space, signal a bus
594 error. Allocate unified memory on demand. Fix DMEM address
595 calculations.
596
597Mon Feb 16 10:27:53 1998 Andrew Cagney <cagney@b1.cygnus.com>
598
599 * simops.c (OP_5F20): Implement "dbt".
600 (OP_5F60): Implement "rtd".
601
602 * d10v_sim.h (DPC_CR): Define enum.
603 (DBT_VECTOR_START): Define
604 (DPSW, DPC): Define.
605
606Fri Feb 13 15:15:58 1998 Andrew Cagney <cagney@b1.cygnus.com>
607
608 * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
609 to PSW:SM.
610
611 * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
612 (SP_IDX): Define.
613
614Wed Feb 11 16:53:49 1998 Andrew Cagney <cagney@b1.cygnus.com>
615
616 * simops.c (OP_5F00): Call error instead of abort for unknown
617 syscalls.
618
619 * d10v_sim.h (enum): Define DPSW_CR.
620
621 * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
622
623Tue Feb 10 18:28:38 1998 Andrew Cagney <cagney@b1.cygnus.com>
624
625 * interp.c (sim_write_phys): Delete.
626 (sim_load): Call sim_load_file with sim_write and LMA.
627
628Mon Feb 9 12:05:01 1998 Andrew Cagney <cagney@b1.cygnus.com>
629
630 * interp.c: Rewrite xfer_mem so that it translates addresses as -
631 0x00... - DMAP translated memory, 0x01... IMAP translated memory,
632 0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
633 memory.
634 (pc_addr): Delete.
635 (imem_addr): New function - translate IMEM address.
636 (sim_resume): Use imem_addr to translate insn address, abort if
637 translation failed.
638 (sim_create_inferior): Write ARGV to memory using sim_write. Pass
639 argc/argv using r0/r1 not r2/r3.
640 (sim_size): Do not initialize IMAP/DMAP here.
641 (sim_open): Call sim_create_inferior and sim_size to initialize
642 the system.
643 (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
644 defaults.
645 (init_system): Delete.
646 (xfer_mem, sim_fetch_register, sim_store_register): Do not call
647 init_system.
648 (decode_pc): Check prog_bfd is defined before looking up .text
649 section.
650
651Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
652
653 * configure: Regenerated to track ../common/aclocal.m4 changes.
654
655Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
656
657 * configure: Regenerated to track ../common/aclocal.m4 changes.
658
659Sun Jan 25 22:23:01 1998 Michael Meissner <meissner@cygnus.com>
660
661 * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
662
663Sat Jan 24 19:00:30 1998 Michael Meissner <meissner@cygnus.com>
664
665 * d10v_sim.h (DEBUG_TRAP): New debug flag.
666
667 * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
668 printing the registers.
669
670Thu Jan 22 17:54:01 1998 Michael Meissner <meissner@cygnus.com>
671
672 * simops.c (op_types): New ABI, args are r0..r3, system call # is
673 in r4.
674 (trace_{in,out}put_func): Ditto.
675 (OP_4900): Ditto.
676 (OP_24800000): Ditto.
677 (OP_4D00): Ditto.
678 (OP_5F00): Ditto.
679
680Thu Jan 22 14:30:36 1998 Fred Fish <fnf@cygnus.com>
681
682 * interp.c (UMEM_SEGMENTS): New define, set to 128.
683 (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
684 (sim_close): Reset prog_bfd to NULL after closing it. Also
685 reset prog_bfd_was_opened_p after closing prog_bfd.
686 (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
687 (sim_create_inferior): Get start address from abfd not prog_bfd.
688 (xfer_mem): Do bounds checking on addresses and return zero length
689 read/write on bad addresses, rather than aborting. Prepare to
690 be able to handle xfers that cross segment boundaries, but not
691 yet implemented. Only emit debug message when d10v_debug is
692 set as well as DEBUG being defined.
693
694Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
695
696 * configure: Regenerated to track ../common/aclocal.m4 changes.
697
698Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
699
700 * configure: Regenerated to track ../common/aclocal.m4 changes.
701 * config.in: Ditto.
702
703Tue Dec 9 10:28:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
704
705 * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
706 (BPSW): Ditto for BPSW_CR and not PSW_CR.
707
708 * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
709
710Mon Dec 8 12:58:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
711
712 * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
713 reserved trap from 0 to 15. Add trap emulation code for 0-14.
714
715 * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
716 IBA for SDBT.
717
718 * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
719 SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
720
721 * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
722 use move_to_cr.
723 (OP_5F00): For "trap", update BPSW with move_to_cr.
724
725Fri Dec 5 15:31:17 1997 Andrew Cagney <cagney@b1.cygnus.com>
726
727 * d10v_sim.h (enum): Enumerate CR register names.
728 (enum): Enumerate PSW bit values.
729 (PSW): Obtain value uing move_from_cr.
730 (MOD_S, MOD_E, BPSW): Make r-values.
731 (move_from_cr, move_to_cr): Declare functions.
732
733 * interp.c (sim_fetch_register, sim_store_register): Use
734 move_from_cr and move_to_cr for CR register transfers.
735
736 * simops.c (move_from_cr, move_to_cr): New functions.
737 (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
738 (OP_5600): For "mvtc", use function move_to_cr.
739 (OP_5200): For "mvfc", use function move_from_cr.
740
741Fri Dec 5 13:33:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
742
743 * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
744 LSbit is zero.
745
746Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
747
748 * configure: Regenerated to track ../common/aclocal.m4 changes.
749
750Thu Dec 4 16:51:02 1997 Andrew Cagney <cagney@b1.cygnus.com>
751
752 * d10v_sim.h (struct _state): Add DM - PSW debug mask.
753
754 * simops.c (OP_5600): For "mvtc", save PSW.DM.
755 (OP_5200): Ditto for "mvfc".
756
757Wed Dec 3 17:27:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
758
759 * d10v_sim.h (SEXT56): Define.
760
761 * simops.c (OP_4201): For "rac", sign extend 56 bit value before
762 it is shifted.
763
764 * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
765 SIGNED64 macro.
766
767Tue Dec 2 15:38:34 1997 Fred Fish <fnf@cygnus.com>
768
769 * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
770 RIGHT_FIRST, as appropriate, instead of hardcoded ints that
771 don't match enum values.
772
773Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
774
775 * simops.c (OP_3A00): For "macu", perform multiply stage using 32
776 bit rather than 16 bit precision.
777 (OP_3C00): For "mulxu", store unsigned product in ACC.
778 (OP_3800): For "msbu", subtract unsigned product from ACC,
779 (OP_0): For "sub", compute carry by comparing inputs.
780
781Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
782
783 * simops.c (OP_1000): For "sub2w", compute carry by comparing
784 inputs.
785
786Mon Nov 17 20:57:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
787
788 * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
789 carry indicated by value > 0xffff.
790
791Fri Nov 14 12:51:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
792
793 * interp.c (sim_resume): Don't set up SIGINT handler using signal,
794 handled by client.
795 (sim_resume): Fix race condition of a direct assignment to
796 stop_simulator, conditionally call sim_stop.
797 (sim_stop_reason): Check stop_simulator returning SIGINT. Clear
798 stop_simulator ready for next sim_resume call.
799 (sim_ctrl_c): Delete function.
800
801Thu Nov 13 19:29:34 1997 Andrew Cagney <cagney@b1.cygnus.com>
802
803 * interp.c (sim_resume): For "REP", only check/update the PC when
804 a branch instruction has not been executed.
805
806Mon Nov 10 17:50:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
807
808 * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC. Sign
809 extend bit 44 all constants.
810 (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
811
812Fri Oct 24 10:26:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
813
814 * d10v_sim.h: Include sim-types.h.
815 (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
816 using unsigned8 et.al. from sim-types.h.
817 (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
818 SIGNED64 macro.
819
820Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
821
822 * interp.c (sim_write_phys): New function, write to physical
823 instead of virtual memory.
824
825 * interp.c (sim_load): Pass lma_p and sim_write_phys to
826 sim_load_file.
827
828Mon Oct 13 10:55:07 1997 Fred Fish <cygnus.com>
829
830 * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
831 exception generation code to OP_6E01.
832 (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
833 generation code.
834
835Sat Oct 11 09:02:08 1997 Fred Fish <fnf@cygnus.com>
836
837 * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
838 (OP_6601): Ditto.
839
840Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
841
842 * configure: Regenerated to track ../common/aclocal.m4 changes.
843
844Sat Sep 27 12:51:34 1997 Fred Fish <fnf@cygnus.com>
845
846 * interp.c (pc_addr): Discard upper bit(s) of PC in case
847 IMAP1 selects unified memory.
848 * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
849 for end condition.
850
851Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
852
853 * configure: Regenerated to track ../common/aclocal.m4 changes.
854
855Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
856
857 * configure: Regenerated to track ../common/aclocal.m4 changes.
858
859Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
860
861 * configure: Regenerated to track ../common/aclocal.m4 changes.
862
863Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
864
865 * configure: Regenerated to track ../common/aclocal.m4 changes.
866
867Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
868
869 * configure: Regenerated to track ../common/aclocal.m4 changes.
870
871Wed Sep 10 22:30:24 1997 Martin M. Hunt <hunt@cygnus.com>
872
873 * interp.c (sim_resume): Increment PC at end of rep
874 loop.
875
876 * simops.c (OP_4201): Fix rachi instruction.
877
878Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
879
880 * configure: Regenerated to track ../common/aclocal.m4 changes.
881
882Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
883
884 * configure: Regenerated to track ../common/aclocal.m4 changes.
885 * config.in: Ditto.
886
887Tue Aug 26 10:37:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
888
889 * interp.c (sim_kill): Delete.
890 (sim_create_inferior): Add ABFD argument.
891 (sim_load): Move setting of PC from here.
892 (sim_create_inferior): To here.
893 (start_address): Delete variable.
894
895Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
896
897 * configure: Regenerated to track ../common/aclocal.m4 changes.
898 * config.in: Ditto.
899
900Mon Aug 25 15:39:29 1997 Andrew Cagney <cagney@b1.cygnus.com>
901
902 * interp.c (sim_open): Add ABFD argument.
903
904Tue May 20 10:14:45 1997 Andrew Cagney <cagney@b1.cygnus.com>
905
906 * interp.c (sim_open): Add callback argument.
907 (sim_set_callbacks): Remove SIM_DESC argument.
908
909Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
910
911 * configure: Regenerated to track ../common/aclocal.m4 changes.
912
913Tue Apr 22 10:29:23 1997 Doug Evans <dje@canuck.cygnus.com>
914
915 * interp.c (sim_open): Undo patch to add -E support.
916
917Fri Apr 18 13:39:01 1997 Andrew Cagney <cagney@b1.cygnus.com>
918
919 * interp.c (sim_stop): New function.
920
921Thu Apr 17 02:42:00 1997 Doug Evans <dje@canuck.cygnus.com>
922
923 * Makefile.in (SIM_OBJS): Add sim-load.o.
924 * d10v_sim.h (exec_bfd): Rename to prog_bfd.
925 * interp.c: #include bfd.h.
926 (myname, sim_kind, start_address): New static locals.
927 (prog_bfd_was_opened_p, prog_bfd): New static locals.
928 (decode_pc): Update to use prog_bfd.
929 (sim_open): Set sim_kind, myname. Ignore -E arg.
930 (sim_close): Close prog_bfd if simulator opened it.
931 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
932 (sim_load): Return SIM_RC. New arg abfd. Set start address from bfd.
933 Call sim_load_file to load file into simulator.
934 * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
935
936Wed Apr 16 16:12:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
937
938 * simops.c (OP_5F00): Only provide system calls SYS_execv,
939 SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
940
941Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
942
943 * configure: Regenerated to track ../common/aclocal.m4 changes.
944 * config.in: Ditto.
945
946Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
947
948 * interp.c (sim_open): New arg `kind'.
949
950 * configure: Regenerated to track ../common/aclocal.m4 changes.
951
952Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
953
954 * configure: Regenerated to track ../common/aclocal.m4 changes.
955
956Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
957
958 * configure: Re-generate.
959
960Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
961
962 * configure: Regenerate to track ../common/aclocal.m4 changes.
963
964 * simops.c (OP_5F00): Remove old traps 1-3. Make trap 15 the same
965 as trap 0, which will be deprecated. Only set errno, if an error
966 in fact was returned.
967
968Thu Mar 13 12:41:20 1997 Doug Evans <dje@canuck.cygnus.com>
969
970 * interp.c: Delete redundant prototypes of sim_foo fns.
971 (sim_open): New SIM_DESC result. Argument is now in argv form.
972 (other sim_*): New SIM_DESC argument.
973
974Thu Mar 13 10:29:04 1997 Michael Meissner <meissner@cygnus.com>
975
976 * simops.c (trace_{input,output}_func): Call flush_stdout from the
977 callback functions.
978 (OP_5F00): Ditto.
979 (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
980 (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
981 setting the carry bit after an add or a subtract.
982
983Wed Feb 12 16:04:15 1997 Michael Meissner <meissner@cygnus.com>
984
985 * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
986 40 bits of accumulators. Sign/zero extend as appropriate.
987
988Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
989
990 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
991 COMMON_{PRE,POST}_CONFIG_FRAG instead.
992 * configure.in: sinclude ../common/aclocal.m4.
993 * configure: Regenerated.
994
995Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
996
997 * configure configure.in Makefile.in: Update to new configure
998 scheme which is more compatible with WinGDB builds.
999 * configure.in: Improve comment on how to run autoconf.
1000 * configure: Re-run autoconf to get new ../common/aclocal.m4.
1001 * Makefile.in: Use autoconf substitution to install common
1002 makefile fragment.
1003
1004Fri Dec 27 22:54:05 1996 Angela Marie Thomas (angela@cygnus.com)
1005
1006 * gencode.c: patch to not #include "d10v_sim.h" which
1007 unecessarily includes bfd.h and causes wingdb configure
1008 to fail.
1009
1010Mon Dec 16 13:39:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1011
1012 * interp.c (xfer_mem): Change unified memory to 0x0.
1013
1014Thu Nov 28 20:42:56 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1015
1016 * simops.c (OP_3E01): Fix tracing information.
1017 (OP_300{0,1}): Do not propigate sign.
1018
1019Mon Nov 25 19:47:40 1996 Doug Evans <dje@canuck.cygnus.com>
1020
1021 * config.in (WORDS_BIGENDIAN): Add.
1022 * configure: Regenerated.
1023 * d10v_sim.h: #include "config.h"
1024
1025Sat Nov 23 09:34:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1026
1027 * gencode.c (write_opcodes): Eliminate warnings when generated
1028 table.c is compiled.
1029
1030Wed Nov 20 19:41:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1031
1032 * interp.c (sim_open): Cast result of calloc, and make sure NULL
1033 was not returned.
1034 (dmem_addr): If address is illegal or in I/O space, signal a bus
1035 error.
1036 (pc_addr): Signal bus error, not illegal instruction for bogus
1037 pc.
1038
1039Wed Nov 20 01:23:03 1996 Doug Evans <dje@canuck.cygnus.com>
1040
1041 * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
1042 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
1043 * configure.in: Simplify using macros in ../common/aclocal.m4.
1044 Call AC_CHECK_HEADERS(unistd.h).
1045 * configure: Regenerated.
1046 * config.in: New file.
1047 * interp.c: #include "callback.h".
1048 * simops.c: #include "config.h". #include <unistd.h> if present.
1049
1050Fri Nov 8 16:19:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1051
1052 * d10v-sim.h (simops): Add flag is_long.
1053 (State): Add pc_changed. Instructions which update the PC should
1054 use the JMP macro which sets this.
1055 (JMP): New macro. Sets the PC and the pc_changed flag.
1056
1057 * gencode.c (write_opcodes): Add is_long field.
1058
1059 * interp.c (lookup_hash): If we blindly apply a short opcode's mask
1060 to a long opcode we could get a false match. Check the opcode size.
1061 (hash): Add a size field to the hash table.
1062 (sim_open): Initialize size field in hash table.
1063 (sim_resume): Change to logic for setting the PC. Used to increment the
1064 PC if it had not been changed. This didn't allow single-instruction loops.
1065 Now checks the flag State.pc_changed. Also now stops when ^C is received.
1066 (dmem_addr): Fix translation of data segments to unified memory.
1067 (sim_ctrl_c): New function. When ^C is received, set stop_simulator flag.
1068
1069 * simops.c: Changed all branch and jump instructions to use new JMP macro.
1070 (OP_20000000): Corrected trace information to show this is a ldi.l, not
1071 a ldi.s instruction.
1072
1073Thu Oct 31 19:13:55 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1074
1075 * interp.c (sim_fetch_register, sim_store_register): Fix bug where
1076 updating the accumulators was overwriting other parts of the global
1077 State variable.
1078
1079Wed Oct 30 17:35:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1080
1081 * interp.c (bfd.h) Don't include it here any more.
1082 (text{,_start,_end}): Move here from simops.c and make extern.
1083 (decode_pc): New function to return the PC as an address that the
1084 debugger can use.
1085 (dmem_addr): Print decoded PC in error message.
1086 (pc_addr): Ditto.
1087
1088 * simops.c (bfd.h) Don't include it here any more.
1089 (text{,_start,_end}): Move to simops.c.
1090 (trace_input_func): Move decoding of PC, and looking up .text
1091 start to decode_pc.
1092
1093 * d10v_sim.h (bfd.h): Include it here.
1094 (text{,_start,_end}): Add external declarations.
1095 (exec_bfd): Ditto.
1096 (decode_pc): Ditto.
1097
1098Tue Oct 29 12:13:52 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1099
1100 * interp.c (sim_size): Now allocates unified memory for imap segments
1101 0,1,2, and 127. Initializes imap0 and imap1 to 0x1000. Initializes dmap to 0.
1102 (sim_write): Just call xfer_mem().
1103 (sim_read): Just call xfer_mem().
1104 (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
1105 (dmem_addr): New function. Reads dmap register and translates data
1106 addresses to local addresses.
1107 (pc_addr): New function. Reads imap register and computes local address
1108 corresponding to contents of the PC.
1109 (sim_resume): Change to use pc_addr().
1110 (sim_create_inferior): Change reinitialization code. Also reinitializes
1111 imap[01] and dmap.
1112 (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1113 (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1114
1115 * simops.c (MEMPTR): Redefine to use dmem_addr().
1116 (OP_5F00): Replace references to STate.imem with dmem_addr().
1117
1118 * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
1119 (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
1120 (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
1121
1122Tue Oct 22 15:22:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1123
1124 * d10v_sim.h (_ins_type): Reorganize, so that we can provide
1125 better statistics, like not counting NOPS as parallel
1126 instructions, and printing total cycles.
1127 (ins_type_counters): Make unsigned long.
1128 (left_nops,right_nops): Fold into ins_type_counters.
1129
1130 * simops.c (trace_input_func): Print new instruction types.
1131 Handle OP_R2R3 as input types.
1132 (OP_{38000000,7000}): Correctly sign extend bytes.
1133 (OP_5E00): Don't count NOPs as parallel instructions.
1134 (OP_460B): Remove unused variable.
1135 (OP_5F00): Ditto.
1136
1137 * interp.c (ins_type_counters): Make unsigned long.
1138 (left_nops,right_nops): Delete.
1139 (most functions): Add prototypes.
1140 (INLINE): If GCC and optimize define as __inline__.
1141 ({,lookup_}hash,get_operands): Declare as INLINE.
1142 (do_parallel): Count conditional operations.
1143 (add_commas): New function, to add commas every 3 digits.
1144 (sim_size): Call add_commas to print numbers.
1145 (sim_{open,resume}): Delete unused variables.
1146 (sim_info): Provide better statistics.
1147 (sim_read): Add int return type.
1148
1149Mon Oct 21 16:16:26 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1150
1151 * interp.c (sim_resume): Change the way single-stepping and exceptions
1152 are handled so single-stepping works again.
1153
1154Thu Oct 17 12:24:16 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1155
1156 * endian.c: Optimize simulated loads/stores on x86, AIX, and big
1157 endian hosts.
1158
1159 * configure.in (--enable-sim-bswap): New switch to enable using
1160 the BSWAP instruction on x86's.
1161 * configure: Regenerate.
1162
1163 * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
1164 support.
1165
1166Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1167
1168 * endian.c: New file. Move endian functions here from interp.c.
1169 Optimize code, and make it work as either inline functions or as a
1170 separate file.
1171
1172 * interp.c: Move endian functions from here to endian.c.
1173
1174 * Makefile.in (INCLUDE): Add endian.c.
1175 (run,libsim.a): Add dependency on endian.o.
1176 (endian.o): Add dependency.
1177
1178 * d10v_sim.h (read/write support): Always go through the machine
1179 independent endian functions. If compiling with GCC and
1180 optimizing, include endian.c so the endian functions are inlined.
1181
1182 * simops.c (OP_5F00): Correct tracing of accumulators.
1183
1184Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1185
1186 * simops.c (OP_5F00): Add support for getpid, kill system calls.
1187
1188 * interp.c (do_{2_short,parallel}): If an exception is raised,
1189 don't execute the second instruction.
1190
1191Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1192
1193 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
1194 temporary in case the register is overriden when loading.
1195 (OP_6200): Output type is OP_DREG for tracing.
1196
1197Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1198
1199 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
1200
1201 * interp.c (sim_size): Initialize mem_{min,max} fields.
1202 (sim_write): Update mem_{min,max} fields.
1203 (sim_resume): If PC is not in the minimum/maximum memory range,
1204 abort.
1205 (sim_create_inferior): Preserve mem_{min,max} fields.
1206
1207Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
1208
1209 * simops.c (OP_5F00): Add support for time() system call.
1210
1211Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1212
1213 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
1214 stored if tracing.
1215 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
1216 system calls.
1217
1218Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1219
1220 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
1221 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
1222 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
1223 to call/subroutine returns to trace the first two arguments and
1224 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
1225
1226Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1227
1228 * interp.c (sim_create_inferior): Reinitialize State every time
1229 sim_create_inferior() is called.
1230
1231Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
1232
1233 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
1234 on comparisons.
1235 (OP_401): Fix tracing information.
1236
1237Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1238
1239 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
1240 (trace_input_func): Use them.
1241 (trace_input_func): Make sure there is a trailing space after the
1242 instruction.
1243 (OP_6200): Fix tracing info.
1244
1245 * Makefile.in (run): Add dependencies on libbfd.a and
1246 libiberity.a.
1247
1248Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1249
1250 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
1251 numbers and function names in debug trace.
1252 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
1253 DEBUG_LINE_NUMBER.
1254 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
1255 and exit system call trap being executed.
1256
1257 * interp.c (sim_stop_reason): Set exit code correctly for stop
1258 instruction and exit system call trap.
1259
1260 * configure.in (--enable-sim-cflags): Remove trace case.
1261 (--enable-sim-debug): New switch to set the debug values.
1262 * configure: Regenerate.
1263
1264 * simops.c (trace_{input,output}_func): Rename from
1265 trace_{input,output}.
1266 (trace_{input,output}): Call trace_{input,output}_func if
1267 d10v_debug is non-zero.
1268 (SIZE_INSTRUCTION): Cut down to 8.
1269 (SIZE_OPERANDS): Cut down to 18.
1270 (SIZE_LOCATION): New value for size of line number, function name
1271 field.
1272 (init_text_p,text{,_start,_end}): New static variables for
1273 printing line number and function name.
1274 (exec_bfd): New external that run.c sets.
1275 (trace_input_func): Print line number and function name if
1276 available and if desired.
1277 (OP_4E09): Don't print out DBT message.
1278 (OP_5FE0): Set exception field to SIG_D10V_STOP.
1279 (OP_5F00): Set exception field to SIG_D10V_EXIT.
1280
1281Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1282
1283 * interp.c (do_2_short): If the instruction encodes jump->ins,
1284 don't do the second instruction if the jump succeeds.
1285
1286Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1287
1288 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
1289 accumulators, PC, and F0/F1/C flags.
1290
1291Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
1292
1293 * simops.c (OP_5F00): Fix problems with system calls.
1294
1295Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1296
1297 * simops.c (OP_5F00): Correct tracing information for trap.
1298
1299Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1300
1301 * Makefile.in (CSEARCH): Correctly find opcodes directory.
1302
1303Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1304
1305 * simops.c (trace_output): Properly align accumulator output.
1306 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
1307 if shift count is too high.
1308 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
1309 (OP_4E09): Make cpfg properly trace the input flags.
1310 (op_types): Add OP_FLAG_OUTPUT.
1311 (trace_{input,output}): Support OP_FLAG_OUTPUT.
1312 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
1313 an 8-bit memory reference instruction for tracing purposes.
1314 (OP_201): Addi needs to set the carry.
1315
1316Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1317
1318 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
1319 to use signed register values.
1320
1321Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1322
1323 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
1324 output.
1325 (_ins_type): New enumeration to specify which container an
1326 instruction is in, and whether it is part of a parallel operation.
1327 (_state): Add ins_type field.
1328 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
1329 (ins_type_counters): Counters for the various instruction types.
1330 ({left,right}_nops): Counters for the number of nops in each
1331 container.
1332 (d10v_debug): New variable to indicate whether debugging is turned
1333 on.
1334
1335 * simops.c: (all functions): Change all #ifdef DEBUG code so that
1336 the input and output values can be traced, along with the
1337 instruction type. Make the -t option enable tracing.
1338 (all functions): Change printf calls to use the printf_filtered
1339 function in the callback table.
1340
1341 * interp.c (_leftright): New enumeration to say whether 2 short
1342 instructions are done left first or right first.
1343 (do_{long,2_short,parallel}): Indicate in the machine state which
1344 type of instruction this is. Count each of the types of
1345 instructions executed.
1346 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
1347 flag is set.
1348 (sim_resume): Pass left/right indication to do_2_short.
1349 (all functions): Change printf calls to use the printf_filtered
1350 function in the callback table.
1351 (sim_trace): Turn on debug flag if DEBUG was defined, and call
1352 sim_resume.
1353 (sim_info): Print out statistics on instructions.
1354 (sim_{trace,create_inferior}): Eliminate extraneous output unless
1355 debugging.
1356 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
1357 Only initialize the hash table the first time sim_open is called.
1358
1359 * Makefile.in: Make objects depend on d10v_sim.h.
1360 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
1361 CFLAGS does not override host/target defines or SIM_CFLAGS.
1362 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
1363 (run): By default, the math library is not needed to be linked
1364 in.
1365 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
1366 overridden.
1367 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
1368 makes.
1369 ({run,callback}.o): Provide explicit paths to their appropriate
1370 source directories.
1371 (gencode{,.o},d10v-opc.o): Split compilation into creating object
1372 and linking. Instead of linking in libopcodes.a, just compile
1373 d10v-opc.o directly to handle canadian cross.
1374 (CSEARCH): Add opcodes directory.
1375
1376 * configure.in (--enable-sim-cflags): New switch to allow user to
1377 set the defaults.
1378 (CC_FOR_BUILD): Deal with canadian crosses.
1379 * configure: Regenerate.
1380
1381Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
1382
1383 * simops.c: Include correct syscall.h for d10v, not host's.
1384 Fix #ifdef SYS_stat.
1385
1386Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1387
1388 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1389 Add trap 2 to be printf and trap 3 to be putchar.
1390
1391Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
1392
1393 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1394 for low-level system calls.
1395
1396Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1397
1398 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1399
1400Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1401
1402 * d10v_sim.h (SEXT32): Added.
1403 * interp.c: Commented out printfs.
1404 * simops.c: Fixed error in sb and st2w.
1405
1406Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1407
1408 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1409 DSP instructions. Added modulo addressing.
1410
1411Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1412
1413 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1414
1415Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1416
1417 * d10v_sim.h, simops.c: Snapshot.
1418
1419Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
1420
1421 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1422 gencode.c, interp.c, simops.c: Created.
1423
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