sim/d10v/ChangeLog

   1 2015-03-14  Mike Frysinger  <vapier@gentoo.org>
   2
   3         * Makefile.in (SIM_EXTRA_CFLAGS): Add
   4         -DSIM_USE_DEPRECATED_RUN_FRONTEND.
   5         (SIM_RUN_OBJS): Set to run.o.
   6
   7 2015-03-14  Mike Frysinger  <vapier@gentoo.org>
   8
   9         * configure.ac (AC_CHECK_HEADERS): Delete.
  10         * aclocal.m4, configure: Regenerate.
  11
  12 2014-08-19  Alan Modra  <amodra@gmail.com>
  13
  14         * configure: Regenerate.
  15
  16 2014-08-15  Roland McGrath  <mcgrathr@google.com>
  17
  18         * configure: Regenerate.
  19         * config.in: Regenerate.
  20
  21 2014-03-10  Mike Frysinger  <vapier@gentoo.org>
  22
  23         * interp.c (sim_do_command): Add const to cmd.
  24
  25 2014-03-05  Mike Frysinger  <vapier@gentoo.org>
  26
  27         * interp.c (sim_load): Add const to prog.
  28
  29 2014-03-04  Mike Frysinger  <vapier@gentoo.org>
  30
  31         * configure: Regenerate.
  32
  33 2013-09-23  Alan Modra  <amodra@gmail.com>
  34
  35         * configure: Regenerate.
  36
  37 2013-06-03  Mike Frysinger  <vapier@gentoo.org>
  38
  39         * aclocal.m4, configure: Regenerate.
  40
  41 2013-05-10  Freddie Chopin  <freddie_chopin@op.pl>
  42
  43         * configure: Rebuild.
  44
  45 2012-06-19  Joel Brobecker  <brobecker@adacore.com>
  46
  47         * interp.c: #include "config.h" instead of "sysdep.h".
  48         Add conditional include of string.h or strings.h, as well as
  49         conditional include of stdlib.h.
  50
  51 2012-06-15  Joel Brobecker  <brobecker@adacore.com>
  52
  53         * config.in, configure: Regenerate.
  54
  55 2012-05-24  Pedro Alves  <palves@redhat.com>
  56
  57         PR gdb/7205
  58
  59         Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout.
  60
  61 2012-03-24  Mike Frysinger  <vapier@gentoo.org>
  62
  63         * aclocal.m4, config.in, configure: Regenerate.
  64
  65 2011-12-03  Mike Frysinger  <vapier@gentoo.org>
  66
  67         * aclocal.m4: New file.
  68         * configure: Regenerate.
  69
  70 2011-10-17  Mike Frysinger  <vapier@gentoo.org>
  71
  72         * configure.ac: Change include to common/acinclude.m4.
  73
  74 2011-10-17  Mike Frysinger  <vapier@gentoo.org>
  75
  76         * configure.ac: Change AC_PREREQ to 2.64.  Delete AC_CONFIG_HEADER
  77         call.  Replace common.m4 include with SIM_AC_COMMON.
  78         * configure: Regenerate.
  79
  80 2010-04-14  Mike Frysinger  <vapier@gentoo.org>
  81
  82         * interp.c (sim_write): Add const to buffer arg.
  83
  84 2010-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
  85
  86         * configure: Regenerate.
  87
  88 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
  89
  90         * config.in: Regenerate.
  91         * configure: Likewise.
  92
  93         * configure: Regenerate.
  94
  95 2008-07-11  Hans-Peter Nilsson  <hp@axis.com>
  96
  97         * configure: Regenerate to track ../common/common.m4 changes.
  98         * config.in: Ditto.
  99
 100 2008-06-06  Vladimir Prus  <vladimir@codesourcery.com>
 101             Daniel Jacobowitz  <dan@codesourcery.com>
 102             Joseph Myers  <joseph@codesourcery.com>
 103
 104         * configure: Regenerate.
 105
 106 2006-12-21  Hans-Peter Nilsson  <hp@axis.com>
 107
 108         * acconfig.h: Remove.
 109         * config.in: Regenerate.
 110
 111 2006-06-13  Richard Earnshaw  <rearnsha@arm.com>
 112
 113         * configure: Regenerated.
 114
 115 2006-06-05  Daniel Jacobowitz  <dan@codesourcery.com>
 116
 117         * configure: Regenerated.
 118
 119 2006-05-31  Daniel Jacobowitz  <dan@codesourcery.com>
 120
 121         * configure: Regenerated.
 122
 123 2006-04-18  Nick Clifton  <nickc@redhat.com>
 124
 125         * interp.c (sim_stop_reason): Fix typo.
 126
 127 2005-11-28  Mark Mitchell  <mark@codesourcery.com>
 128
 129         * interp.c (gdb/signals.h): Include it.
 130         (sim_stop_reason): Use TARGET_SIGNAL_*.
 131
 132 2005-03-23  Mark Kettenis  <kettenis@gnu.org>
 133
 134         * configure: Regenerate.
 135
 136 2005-01-14  Andrew Cagney  <cagney@gnu.org>
 137
 138         * configure.ac: Sinclude aclocal.m4 before common.m4.  Add
 139         explicit call to AC_CONFIG_HEADER.
 140         * configure: Regenerate.
 141
 142 2005-01-12  Andrew Cagney  <cagney@gnu.org>
 143
 144         * configure.ac: Update to use ../common/common.m4.
 145         * configure: Re-generate.
 146
 147 2005-01-11  Andrew Cagney  <cagney@localhost.localdomain>
 148
 149         * configure: Regenerated to track ../common/aclocal.m4 changes.
 150
 151 2005-01-07  Andrew Cagney  <cagney@gnu.org>
 152
 153         * configure.ac: Rename configure.in, require autoconf 2.59.
 154         * configure: Re-generate.
 155
 156 2004-12-08  Hans-Peter Nilsson  <hp@axis.com>
 157
 158         * configure: Regenerate for ../common/aclocal.m4 update.
 159
 160 2004-06-28  Andrew Cagney  <cagney@gnu.org>
 161
 162         * interp.c (sim_resume): Rename ui_loop_hook to
 163         deprecated_ui_loop_hook.
 164
 165 2003-10-30  Andrew Cagney  <cagney@redhat.com>
 166
 167         * simops.c: Replace "struct symbol_cache_entry" with "struct
 168         bfd_symbol".
 169
 170 2003-06-22  Andrew Cagney  <cagney@redhat.com>
 171
 172         * interp.c (xfer_mem): Simplify.  Only do a single partial
 173         transfer.  Problem reported by Tom Rix.
 174
 175 2003-05-07  Andrew Cagney  <cagney@redhat.com>
 176
 177         * interp.c (sim_d10v_translate_addr): Add "regcache" parameter.
 178         (sim_d10v_translate_imap_addr): Ditto.
 179         (sim_d10v_translate_dmap_addr): Ditto.
 180         (xfer_mem): Pass NULL regcache to sim_d10v_translate_addr.
 181         (dmem_addr): Pass NULL regcache to sim_d10v_translate_dmap_addr.
 182         (dmap_register, imap_register): Add "regcache" parameter.
 183         (imem_addr): Pass NULL regcache to sim_d10v_translate_imap_addr.
 184         (sim_fetch_register): Pass NULL regcache to imap_register and
 185         dmap_register.
 186
 187 2003-02-27  Andrew Cagney  <cagney@redhat.com>
 188
 189         * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
 190
 191 2002-11-13  Andrew Cagney  <cagney@redhat.com>
 192
 193         * simops.c: Include <string.h>.
 194
 195 2002-06-17  Andrew Cagney  <cagney@redhat.com>
 196
 197         * d10v_sim.h (SET_PSW_BIT): Add cast to avoid inverting an enum.
 198
 199 2002-06-16  Andrew Cagney  <ac131313@redhat.com>
 200
 201         * configure: Regenerated to track ../common/aclocal.m4 changes.
 202
 203 2002-06-13  Tom Rix  <trix@redhat.com>
 204
 205         * interp.c (xfer_mem): Fix transfers across multiple segments.
 206
 207 2002-06-09  Andrew Cagney  <cagney@redhat.com>
 208
 209         * Makefile.in (INCLUDE): Update path to callback.h.
 210         * gencode.c: Do not include "callback.h".
 211         * d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
 212         * interp.c: Ditto.
 213
 214 2002-06-08  Andrew Cagney  <cagney@redhat.com>
 215
 216         * interp.c (sim_fetch_register): Fix name of enum used in cast.
 217         (sim_store_register): Ditto.
 218
 219 2002-06-02  Elena Zannoni  <ezannoni@redhat.com>
 220
 221         From Jason Eckhardt <jle@redhat.com>
 222         * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is
 223         less than MOD_S (post-decrement).
 224
 225 2002-06-01  Andrew Cagney  <ac131313@redhat.com>
 226
 227         * interp.c (sim_fetch_register, sim_store_register): Use a switch
 228         statement and enums from "sim-d10v.h".
 229
 230 2002-05-28  Elena Zannoni  <ezannoni@redhat.com>
 231
 232         * interp.c (sim_create_inferior): Add comment.
 233
 234         From Alan Matsuoka <alanm@redhat.com>:
 235         From 2001-04-27 Jason Eckhardt <jle@cygnus.com>:
 236         * simops.c (OP_4400): Output "mvf0f" instead of "mf0f".
 237         (OP_4401): Output "mvf0t" instead of "mf0t".
 238         (OP_460B): Do not output a flag register.
 239         (OP_4609): Do not output a flag register.
 240
 241 2002-05-23  Andrew Cagney  <ac131313@redhat.com>
 242
 243         * Makefile.in (INCLUDE): Add "gdb/sim-d10v.h".
 244         * interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h".
 245
 246 2001-08-01  John R. Moore  <jmoore@redhat.com>
 247
 248         * interp.c (sim_create_inferior): Removed a hack that stated
 249         it was setting r0/r1 with argc/argv.
 250
 251 2001-04-15  J.T. Conklin  <jtc@redback.com>
 252
 253         * Makefile.in (simops.o): Add simops.h to dependency list.
 254
 255 Tue May 23 21:39:23 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 256
 257         * configure: Regenerated to track ../common/aclocal.m4 changes.
 258
 259 Tue Apr 18 16:26:41 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 260
 261         * interp.c (sim_resume): Deliver SIGILL.
 262         (lookup_hash): Do not print SIGILL message.
 263
 264 Tue Feb 22 18:24:56 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 265
 266         * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
 267         * interp.c (sim_set_trace): Replace sim_trace.  Enable tracing.
 268
 269 Tue Feb  8 17:41:12 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 270
 271         * d10v_sim.h (SIG_D10V_BUS): Define.
 272
 273         * simops.c (address_exception): Delete function.
 274         (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
 275         OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
 276         OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
 277         OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
 278         address_exception with code that sets SIG_D10V_BUS.
 279
 280         * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
 281         error to the simulator before resuming execution.
 282         (sim_trace): Check stop reason and use that to determine sim_trace
 283         return value.
 284         (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
 285         sigrc.
 286
 287 Tue Jan 18 16:07:42 MST 2000    Diego Novillo <dnovillo@cygnus.com>
 288
 289         * interp.c (sim_create_inferior): Change internal initial value for
 290         DMAP2 to 0x2000.
 291
 292 Mon Jan  3 02:06:07 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 293
 294         * interp.c (lookup_hash): Stop the update of the PC when there was
 295         an illegal instruction exception.
 296
 297 Mon Jan  3 00:14:33 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 298
 299         * simops.c (address_exception): New function.
 300         (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
 301         OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
 302         OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
 303         OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
 304         and "st2w" check that the address is aligned.
 305
 306 1999-12-30  Chandra Chavva   <cchavva@cygnus.com>
 307
 308         * d10v_sim.h (INC_ADDR): Added code to assign
 309         proper address for loads with predec operations.
 310
 311 1999-11-25  Nick Clifton  <nickc@cygnus.com>
 312
 313         * simops.c (OP_4E0F): New function: Simulate new bit pattern for
 314         cpfg instruction.
 315
 316 Fri Oct 29 18:34:28 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 317
 318         * simops.c (move_to_cr): Don't allow user to set PSW.DM in either
 319         DPSW and BPSW.
 320
 321 Thu Oct 28 01:26:18 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 322
 323         * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
 324         (PSW_HW_MASK): Declare.
 325
 326         * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
 327         (SET_CREG, SET_PSW_BIT): Update.
 328         (SET_HW_CREG, SET_HW_PSW): Define.
 329
 330 Sun Oct 24 21:38:04 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 331
 332         * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
 333         for DMAP3.
 334
 335 Sun Oct 24 16:04:16 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 336
 337         * interp.c (sim_d10v_translate_addr): New function.
 338         (xfer_mem): Rewrite.  Use sim_d10v_translate_addr.
 339         (map_memory): Make INLINE.
 340
 341 Sun Oct 24 13:45:19 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 342
 343         * interp.c (sim_d10v_translate_dmap_addr): New function.
 344         (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr.  Change
 345         offset parameter to type uint16.
 346         * d10v_sim.h (dmem_addr): Update declaration.
 347
 348 Sun Oct 24 13:07:31 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 349
 350         * interp.c (imap_register, set_imap_register, dmap_register,
 351         set_imap_register): Use map_memory.
 352         (DMAP): Update.
 353         (sim_create_inferior): Initialize all DMAP registers.  NOTE that
 354         DMAP2, in internal memory mode, is set to 0x0000 and NOT
 355         0x2000. This is consistent with the older d10v boards.
 356
 357 Sun Oct 24 11:22:12 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 358
 359         * interp.c (sim_d10v_translate_imap_addr): New function.
 360         (imem_addr): Rewrite.  Use sim_d10v_translate_imap_addr.
 361         (last_from, last_to): Declare.
 362
 363 Sun Oct 24 01:21:56 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 364
 365         * d10v_sim.h (struct d10v_memory): Define.  Support very long
 366         memories.
 367         (struct _state): Replace imem, dmem and umem by mem.
 368         (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
 369         DMEM_SEGMENTS, UMEM_SEGMENTS): Define.
 370
 371         * interp.c (map_memory): New function.
 372         (sim_size, xfer_memory, imem_addr, dmem_addr): Update.
 373         (UMEM_SEGMENTS): Moveed to "d10v_sim.h".
 374         (IMEM_SIZEDMEM_SIZE): Delete.
 375
 376 Sat Oct 23 20:06:58 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 377
 378         * interp.c: Include "sim-d10v.h".
 379         (imap_register, set_imap_register, dmap_register,
 380         set_dmap_register, spi_register, spu_register, set_spi_register,
 381         set_spu_register): New functions.
 382         (sim_create_inferior): Update.
 383         (sim_fetch_register, sim_store_register): Rewrite.  Use enums
 384         defined in sim-d10v.h.
 385
 386         * d10v_sim.h (DEBUG_MEMORY): Define.
 387         (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
 388
 389 Sat Oct 23 18:41:18 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 390
 391         * interp.c (sim_open): Allow a debug value to be passed to the -t
 392         option.
 393         (lookup_hash): Don't exit on an illegal instruction.
 394         (do_long, do_2_short, do_parallel): Check for failed instruction
 395         lookup.
 396
 397 Mon Oct 18 18:03:24 MDT 1999    Diego Novillo <dnovillo@cygnus.com>
 398
 399         * simops.c (OP_3220): Fix trace output for illegal accumulator
 400         message.
 401
 402 1999-09-14  Nick Clifton  <nickc@cygnus.com>
 403
 404         * simops.c: Disable setting of DM bit in PSW.
 405
 406 Wed Sep  8 19:34:55 MDT 1999    Diego Novillo <dnovillo@cygnus.com>
 407
 408         * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
 409         (trace_input_func): Added support for OP_MEMREF3.
 410         (OP_32010000): New instruction ld.
 411         (OP_33010000): New instruction ld2w.
 412         (OP_5209): New instruction sac.
 413         (OP_4209): New instruction sachi.
 414         (OP_3220): New instruction slae.
 415         (OP_36010000): New instruction st.
 416         (OP_37010000): New instruction st2w.
 417
 418 1999-09-09  Stan Shebs  <shebs@andros.cygnus.com>
 419
 420         * interp.c (old_segment_mapping): New global.
 421         (xfer_mem): Change the default segment mapping to be the way
 422         that Mitsubishi prefers, but use the previous mapping if
 423         old_segment_mapping is true.
 424         (sim_open): Add an option -oldseg to get the old mapping.
 425         (sim_create_inferior): Init mapping registers based on the
 426         value of old_segment_mapping.
 427
 428 1999-09-07  Nick Clifton  <nickc@cygnus.com>
 429
 430         * simops.c (OP_6601): Do not write back decremented address if
 431         either of the destination registers was the same as the address
 432         register.
 433         (OP_6201): Do not write back incremented address if either of the
 434         destination registers was the same as the address register.
 435
 436 Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 437
 438         * configure: Regenerated to track ../common/aclocal.m4 changes.
 439
 440 1999-05-08  Felix Lee  <flee@cygnus.com>
 441
 442         * configure: Regenerated to track ../common/aclocal.m4 changes.
 443
 444 1999-04-02  Keith Seitz  <keiths@cygnus.com>
 445
 446         * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
 447         defined).
 448         (sim_resume): If the counter has expired, call the ui_loop_hook,
 449         if defined.
 450         (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
 451         ui_loop_hook calls.
 452         * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
 453
 454 Wed Mar 10 19:32:13 1999  Nick Clifton  <nickc@cygnus.com>
 455
 456         * simops.c: If load instruction with auto increment/decrement
 457         addressing is used when the destination register is the same as
 458         the address register, then ignore the auto increment/decrement.
 459
 460 Wed Mar 10 19:32:13 1999  Martin M. Hunt  <hunt@cygnus.com>
 461
 462         * simops.c (OP_5F00): Ifdef SYS_stat case because
 463         not all systems have it defined.
 464
 465 1999-01-26  Jason Molenda  (jsm@bugshack.cygnus.com)
 466
 467         * simops.c (OP_5607): Correct saturation comparison/assignment.
 468         (OP_1201, OP_1203, OP_17001200, OP_17001202,
 469          OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
 470          OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
 471
 472 1999-01-26  Jason Molenda  (jsm@bugshack.cygnus.com)
 473
 474         * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
 475         comparison.
 476         (OP_5607): Ditto.
 477         (OP_2A00): Ditto.
 478         (OP_2800): Ditto.
 479
 480 1999-01-13  Jason Molenda  (jsm@bugshack.cygnus.com)
 481
 482         * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
 483         comparison.
 484
 485 Tue Nov 24 17:04:43 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 486
 487         * simops.c (sys/syscall.h): Include targ-vals.h instead.
 488         (SYS_*): Replace with TARGET_SYS_*.
 489
 490         * Makefile.in: Add dependency on targ-vals.h.
 491         (NL_TARGET): Define as NL_TARGET_d10v.
 492
 493 Wed Sep 30 00:06:32 1998  Andrew Cagney  <cagney@amy.cygnus.com>
 494
 495         * interp.c (xfer_mem): Missing break, instruction memory case
 496         flowed into unified memory case.
 497
 498 Wed Sep 30 10:14:18 1998  Nick Clifton  <nickc@cygnus.com>
 499
 500         * simops.c: If load instruction with auto increment/decrement
 501         addressing is used when the destination register is the same as
 502         the address register, then ignore the auto increment/decrement.
 503
 504 Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>
 505
 506         * configure: Regenerated to track ../common/aclocal.m4 changes.
 507
 508 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
 509
 510         * configure: Regenerated to track ../common/aclocal.m4 changes.
 511         * config.in: Ditto.
 512
 513 Sun Apr 26 15:20:23 1998  Tom Tromey  <tromey@cygnus.com>
 514
 515         * acconfig.h: New file.
 516         * configure.in: Reverted change of Apr 24; use sinclude again.
 517
 518 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
 519
 520         * configure: Regenerated to track ../common/aclocal.m4 changes.
 521         * config.in: Ditto.
 522
 523 Fri Apr 24 11:20:06 1998  Tom Tromey  <tromey@cygnus.com>
 524
 525         * configure.in: Don't call sinclude.
 526
 527 Fri Apr 24 11:04:46 1998  Andrew Cagney  <cagney@chook.cygnus.com>
 528
 529         * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
 530
 531         * d10v_sim.h (remote-sim.h, sim-config.h): Include.
 532
 533 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 534
 535         * configure: Regenerated to track ../common/aclocal.m4 changes.
 536
 537 Wed Apr  1 12:59:17 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 538
 539         * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
 540         up-to-date CR value.
 541         (OP_OP_1000000, add3): Trace inputs before performing add.
 542         (OP_5F00, <*>): Trace input registers before making system call.
 543         (OP_5F00, <kill>): Trace R0, R1 not REGn.
 544         (OP_5F00, <getpid>): Always return 47.
 545
 546         * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
 547         SLOT_DISCARD, SLOT_FLUSH): Define.  An implementation of write
 548         back slots.
 549         (struct _state): Add struct slot slot to global state variable.
 550         (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
 551         F0, F1, C from global State variable.
 552         (struct _state): Add struct trace to global State variable.
 553         (GPR, SET_GPR): Define.  SET_GPR uses SLOT_PEND.
 554         (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
 555         (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
 556         (INC_ADDR): Re-implement.  Use SET_GPR to update registers.
 557         (JMP): Re-implement. Use SET_* to update registers.
 558
 559         * interp.c: Use new SET_* et.al. macros to fetch / store
 560         registers.
 561         (get_operands): Squirrel away trace values at start of each
 562         operand decode.
 563         (do_2_short): Flush pending writes before issuing second
 564         instruction.
 565         (sim_resume): Flush pending writes at end of instruction cycle.
 566         (sim_fetch_register, sim_store_register, sim_create_inferior):
 567         After scheduling updates to registers using SET_*, flush updates.
 568         (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
 569         that each sets pc using SET_* and last SET_* eventually winds out.
 570
 571         * simops.c: Use new SET_* et.al. macros to fetch / store
 572         registers.
 573         (move_to_cr): Add MASK argument for selective update of CREG bits.
 574         Re-implement using new SET_* macros.
 575         (trace_output_func, trace_output): Delete. Replace with.
 576         (do_trace_output_flush, trace_output_finish, trace_output_40,
 577         trace_output_32, trace_output_16, trace_output_void,
 578         trace_output_flag): New functions.  Handle specific trace cases.
 579         (OP_*): Re-write tracing to use new trace_output_* functions.
 580         (OP_*): Re-write to use new SET_* et.al. macros.
 581         (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
 582         (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
 583
 584 Wed Apr  1 12:55:18 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 585
 586         * configure.in (SIM_AC_OPTION_WARNINGS): Add.
 587         configure: Re-generate.
 588
 589 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 590
 591         * configure: Regenerated to track ../common/aclocal.m4 changes.
 592
 593 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 594
 595         * configure: Regenerated to track ../common/aclocal.m4 changes.
 596
 597 Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 598
 599         * configure: Regenerated to track ../common/aclocal.m4 changes.
 600
 601 Tue Feb 17 12:38:42 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 602
 603         * interp.c (sim_store_register, sim_fetch_register): Pass in
 604         length parameter.  Return -1.
 605
 606 Mon Oct 27 14:43:33 1997  Fred Fish  <fnf@cygnus.com>
 607
 608         * (dmem_addr): If address is illegal or in I/O space, signal a bus
 609         error.  Allocate unified memory on demand.  Fix DMEM address
 610         calculations.
 611
 612 Mon Feb 16 10:27:53 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 613
 614         * simops.c (OP_5F20): Implement "dbt".
 615         (OP_5F60): Implement "rtd".
 616
 617         * d10v_sim.h (DPC_CR): Define enum.
 618         (DBT_VECTOR_START): Define
 619         (DPSW, DPC): Define.
 620
 621 Fri Feb 13 15:15:58 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 622
 623         * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
 624         to PSW:SM.
 625
 626         * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
 627         (SP_IDX): Define.
 628
 629 Wed Feb 11 16:53:49 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 630
 631         * simops.c (OP_5F00): Call error instead of abort for unknown
 632         syscalls.
 633
 634         * d10v_sim.h (enum): Define DPSW_CR.
 635
 636         * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
 637
 638 Tue Feb 10 18:28:38 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 639
 640         * interp.c (sim_write_phys): Delete.
 641         (sim_load): Call sim_load_file with sim_write and LMA.
 642
 643 Mon Feb  9 12:05:01 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 644
 645         * interp.c: Rewrite xfer_mem so that it translates addresses as -
 646         0x00... - DMAP translated memory, 0x01... IMAP translated memory,
 647         0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
 648         memory.
 649         (pc_addr): Delete.
 650         (imem_addr): New function - translate IMEM address.
 651         (sim_resume): Use imem_addr to translate insn address, abort if
 652         translation failed.
 653         (sim_create_inferior): Write ARGV to memory using sim_write.  Pass
 654         argc/argv using r0/r1 not r2/r3.
 655         (sim_size): Do not initialize IMAP/DMAP here.
 656         (sim_open): Call sim_create_inferior and sim_size to initialize
 657         the system.
 658         (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
 659         defaults.
 660         (init_system): Delete.
 661         (xfer_mem, sim_fetch_register, sim_store_register): Do not call
 662         init_system.
 663         (decode_pc): Check prog_bfd is defined before looking up .text
 664         section.
 665
 666 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 667
 668         * configure: Regenerated to track ../common/aclocal.m4 changes.
 669
 670 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 671
 672         * configure: Regenerated to track ../common/aclocal.m4 changes.
 673
 674 Sun Jan 25 22:23:01 1998  Michael Meissner  <meissner@cygnus.com>
 675
 676         * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
 677
 678 Sat Jan 24 19:00:30 1998  Michael Meissner  <meissner@cygnus.com>
 679
 680         * d10v_sim.h (DEBUG_TRAP): New debug flag.
 681
 682         * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
 683         printing the registers.
 684
 685 Thu Jan 22 17:54:01 1998  Michael Meissner  <meissner@cygnus.com>
 686
 687         * simops.c (op_types): New ABI, args are r0..r3, system call # is
 688         in r4.
 689         (trace_{in,out}put_func): Ditto.
 690         (OP_4900): Ditto.
 691         (OP_24800000): Ditto.
 692         (OP_4D00): Ditto.
 693         (OP_5F00): Ditto.
 694
 695 Thu Jan 22 14:30:36 1998  Fred Fish  <fnf@cygnus.com>
 696
 697         * interp.c (UMEM_SEGMENTS): New define, set to 128.
 698         (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
 699         (sim_close): Reset prog_bfd to NULL after closing it.  Also
 700         reset prog_bfd_was_opened_p after closing prog_bfd.
 701         (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
 702         (sim_create_inferior): Get start address from abfd not prog_bfd.
 703         (xfer_mem): Do bounds checking on addresses and return zero length
 704         read/write on bad addresses, rather than aborting.  Prepare to
 705         be able to handle xfers that cross segment boundaries, but not
 706         yet implemented.  Only emit debug message when d10v_debug is
 707         set as well as DEBUG being defined.
 708
 709 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 710
 711         * configure: Regenerated to track ../common/aclocal.m4 changes.
 712
 713 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 714
 715         * configure: Regenerated to track ../common/aclocal.m4 changes.
 716         * config.in: Ditto.
 717
 718 Tue Dec  9 10:28:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 719
 720         * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
 721         (BPSW): Ditto for BPSW_CR and not PSW_CR.
 722
 723         * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
 724
 725 Mon Dec  8 12:58:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 726
 727         * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
 728         reserved trap from 0 to 15. Add trap emulation code for 0-14.
 729
 730         * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
 731         IBA for SDBT.
 732
 733         * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
 734         SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
 735
 736         * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
 737         use move_to_cr.
 738         (OP_5F00): For "trap", update BPSW with move_to_cr.
 739
 740 Fri Dec  5 15:31:17 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 741
 742         * d10v_sim.h (enum): Enumerate CR register names.
 743         (enum): Enumerate PSW bit values.
 744         (PSW): Obtain value uing move_from_cr.
 745         (MOD_S, MOD_E, BPSW): Make r-values.
 746         (move_from_cr, move_to_cr): Declare functions.
 747
 748         * interp.c (sim_fetch_register, sim_store_register): Use
 749         move_from_cr and move_to_cr for CR register transfers.
 750
 751         * simops.c (move_from_cr, move_to_cr): New functions.
 752         (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
 753         (OP_5600): For "mvtc", use function move_to_cr.
 754         (OP_5200): For "mvfc", use function move_from_cr.
 755
 756 Fri Dec  5 13:33:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 757
 758         * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
 759         LSbit is zero.
 760
 761 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 762
 763         * configure: Regenerated to track ../common/aclocal.m4 changes.
 764
 765 Thu Dec  4 16:51:02 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 766
 767         * d10v_sim.h (struct _state): Add DM - PSW debug mask.
 768
 769         * simops.c (OP_5600): For "mvtc", save PSW.DM.
 770         (OP_5200): Ditto for "mvfc".
 771
 772 Wed Dec  3 17:27:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 773
 774         * d10v_sim.h (SEXT56): Define.
 775
 776         * simops.c (OP_4201): For "rac", sign extend 56 bit value before
 777         it is shifted.
 778
 779         * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
 780         SIGNED64 macro.
 781
 782 Tue Dec  2 15:38:34 1997  Fred Fish  <fnf@cygnus.com>
 783
 784         * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
 785         RIGHT_FIRST, as appropriate, instead of hardcoded ints that
 786         don't match enum values.
 787
 788 Tue Dec  2 15:01:08 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 789
 790         * simops.c (OP_3A00): For "macu", perform multiply stage using 32
 791         bit rather than 16 bit precision.
 792         (OP_3C00): For "mulxu", store unsigned product in ACC.
 793         (OP_3800): For "msbu", subtract unsigned product from ACC,
 794         (OP_0): For "sub", compute carry by comparing inputs.
 795
 796 Tue Dec  2 11:04:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 797
 798         * simops.c (OP_1000): For "sub2w", compute carry by comparing
 799         inputs.
 800
 801 Mon Nov 17 20:57:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 802
 803         * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
 804         carry indicated by value > 0xffff.
 805
 806 Fri Nov 14 12:51:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 807
 808         * interp.c (sim_resume): Don't set up SIGINT handler using signal,
 809         handled by client.
 810         (sim_resume): Fix race condition of a direct assignment to
 811         stop_simulator, conditionally call sim_stop.
 812         (sim_stop_reason): Check stop_simulator returning SIGINT.  Clear
 813         stop_simulator ready for next sim_resume call.
 814         (sim_ctrl_c): Delete function.
 815
 816 Thu Nov 13 19:29:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 817
 818         * interp.c (sim_resume): For "REP", only check/update the PC when
 819         a branch instruction has not been executed.
 820
 821 Mon Nov 10 17:50:18 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 822
 823         * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC.  Sign
 824         extend bit 44 all constants.
 825         (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
 826
 827 Fri Oct 24 10:26:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 828
 829         * d10v_sim.h: Include sim-types.h.
 830         (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
 831         using unsigned8 et.al. from sim-types.h.
 832         (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
 833         SIGNED64 macro.
 834
 835 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 836
 837         * interp.c (sim_write_phys): New function, write to physical
 838         instead of virtual memory.
 839
 840         * interp.c (sim_load): Pass lma_p and sim_write_phys to
 841         sim_load_file.
 842
 843 Mon Oct 13 10:55:07 1997  Fred Fish  <cygnus.com>
 844
 845         * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
 846         exception generation code to OP_6E01.
 847         (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
 848         generation code.
 849
 850 Sat Oct 11 09:02:08 1997  Fred Fish  <fnf@cygnus.com>
 851
 852         * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
 853         (OP_6601): Ditto.
 854
 855 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 856
 857         * configure: Regenerated to track ../common/aclocal.m4 changes.
 858
 859 Sat Sep 27 12:51:34 1997  Fred Fish  <fnf@cygnus.com>
 860
 861         * interp.c (pc_addr): Discard upper bit(s) of PC in case
 862         IMAP1 selects unified memory.
 863         * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
 864         for end condition.
 865
 866 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 867
 868         * configure: Regenerated to track ../common/aclocal.m4 changes.
 869
 870 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 871
 872         * configure: Regenerated to track ../common/aclocal.m4 changes.
 873
 874 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 875
 876         * configure: Regenerated to track ../common/aclocal.m4 changes.
 877
 878 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 879
 880         * configure: Regenerated to track ../common/aclocal.m4 changes.
 881
 882 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 883
 884         * configure: Regenerated to track ../common/aclocal.m4 changes.
 885
 886 Wed Sep 10 22:30:24 1997  Martin M. Hunt  <hunt@cygnus.com>
 887
 888         * interp.c (sim_resume): Increment PC at end of rep
 889         loop.
 890
 891         * simops.c (OP_4201): Fix rachi instruction.
 892
 893 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 894
 895         * configure: Regenerated to track ../common/aclocal.m4 changes.
 896
 897 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 898
 899         * configure: Regenerated to track ../common/aclocal.m4 changes.
 900         * config.in: Ditto.
 901
 902 Tue Aug 26 10:37:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 903
 904         * interp.c (sim_kill): Delete.
 905         (sim_create_inferior): Add ABFD argument.
 906         (sim_load): Move setting of PC from here.
 907         (sim_create_inferior): To here.
 908         (start_address): Delete variable.
 909
 910 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 911
 912         * configure: Regenerated to track ../common/aclocal.m4 changes.
 913         * config.in: Ditto.
 914
 915 Mon Aug 25 15:39:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 916
 917         * interp.c (sim_open): Add ABFD argument.
 918
 919 Tue May 20 10:14:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 920
 921         * interp.c (sim_open): Add callback argument.
 922         (sim_set_callbacks): Remove SIM_DESC argument.
 923
 924 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 925
 926         * configure: Regenerated to track ../common/aclocal.m4 changes.
 927
 928 Tue Apr 22 10:29:23 1997  Doug Evans  <dje@canuck.cygnus.com>
 929
 930         * interp.c (sim_open): Undo patch to add -E support.
 931
 932 Fri Apr 18 13:39:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 933
 934         * interp.c (sim_stop): New function.
 935
 936 Thu Apr 17 02:42:00 1997  Doug Evans  <dje@canuck.cygnus.com>
 937
 938         * Makefile.in (SIM_OBJS): Add sim-load.o.
 939         * d10v_sim.h (exec_bfd): Rename to prog_bfd.
 940         * interp.c: #include bfd.h.
 941         (myname, sim_kind, start_address): New static locals.
 942         (prog_bfd_was_opened_p, prog_bfd): New static locals.
 943         (decode_pc): Update to use prog_bfd.
 944         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 945         (sim_close): Close prog_bfd if simulator opened it.
 946         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 947         (sim_load): Return SIM_RC.  New arg abfd.  Set start address from bfd.
 948         Call sim_load_file to load file into simulator.
 949         * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
 950
 951 Wed Apr 16 16:12:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 952
 953         * simops.c (OP_5F00): Only provide system calls SYS_execv,
 954         SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
 955
 956 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 957
 958         * configure: Regenerated to track ../common/aclocal.m4 changes.
 959         * config.in: Ditto.
 960
 961 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 962
 963         * interp.c (sim_open): New arg `kind'.
 964
 965         * configure: Regenerated to track ../common/aclocal.m4 changes.
 966
 967 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 968
 969         * configure: Regenerated to track ../common/aclocal.m4 changes.
 970
 971 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 972
 973         * configure: Re-generate.
 974
 975 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 976
 977         * configure: Regenerate to track ../common/aclocal.m4 changes.
 978
 979         * simops.c (OP_5F00): Remove old traps 1-3.  Make trap 15 the same
 980         as trap 0, which will be deprecated.  Only set errno, if an error
 981         in fact was returned.
 982
 983 Thu Mar 13 12:41:20 1997  Doug Evans  <dje@canuck.cygnus.com>
 984
 985         * interp.c: Delete redundant prototypes of sim_foo fns.
 986         (sim_open): New SIM_DESC result.  Argument is now in argv form.
 987         (other sim_*): New SIM_DESC argument.
 988
 989 Thu Mar 13 10:29:04 1997  Michael Meissner  <meissner@cygnus.com>
 990
 991         * simops.c (trace_{input,output}_func): Call flush_stdout from the
 992         callback functions.
 993         (OP_5F00): Ditto.
 994         (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
 995         (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
 996         setting the carry bit after an add or a subtract.
 997
 998 Wed Feb 12 16:04:15 1997  Michael Meissner  <meissner@cygnus.com>
 999
1000         * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
1001         40 bits of accumulators.  Sign/zero extend as appropriate.
1002
1003 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
1004
1005         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
1006         COMMON_{PRE,POST}_CONFIG_FRAG instead.
1007         * configure.in: sinclude ../common/aclocal.m4.
1008         * configure: Regenerated.
1009
1010 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
1011
1012         * configure configure.in Makefile.in:  Update to new configure
1013         scheme which is more compatible with WinGDB builds.
1014         * configure.in:  Improve comment on how to run autoconf.
1015         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
1016         * Makefile.in:  Use autoconf substitution to install common
1017         makefile fragment.
1018
1019 Fri Dec 27 22:54:05 1996  Angela Marie Thomas (angela@cygnus.com)
1020
1021         * gencode.c: patch to not #include "d10v_sim.h" which
1022         unecessarily includes bfd.h and causes wingdb configure
1023         to fail.
1024
1025 Mon Dec 16 13:39:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1026
1027         * interp.c (xfer_mem): Change unified memory to 0x0.
1028
1029 Thu Nov 28 20:42:56 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1030
1031         * simops.c (OP_3E01): Fix tracing information.
1032         (OP_300{0,1}): Do not propigate sign.
1033
1034 Mon Nov 25 19:47:40 1996  Doug Evans  <dje@canuck.cygnus.com>
1035
1036         * config.in (WORDS_BIGENDIAN): Add.
1037         * configure: Regenerated.
1038         * d10v_sim.h: #include "config.h"
1039
1040 Sat Nov 23 09:34:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1041
1042         * gencode.c (write_opcodes): Eliminate warnings when generated
1043         table.c is compiled.
1044
1045 Wed Nov 20 19:41:40 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1046
1047         * interp.c (sim_open): Cast result of calloc, and make sure NULL
1048         was not returned.
1049         (dmem_addr): If address is illegal or in I/O space, signal a bus
1050         error.
1051         (pc_addr): Signal bus error, not illegal instruction for bogus
1052         pc.
1053
1054 Wed Nov 20 01:23:03 1996  Doug Evans  <dje@canuck.cygnus.com>
1055
1056         * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
1057         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
1058         * configure.in: Simplify using macros in ../common/aclocal.m4.
1059         Call AC_CHECK_HEADERS(unistd.h).
1060         * configure: Regenerated.
1061         * config.in: New file.
1062         * interp.c: #include "callback.h".
1063         * simops.c: #include "config.h".  #include <unistd.h> if present.
1064
1065 Fri Nov  8 16:19:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1066
1067         * d10v-sim.h (simops): Add flag is_long.
1068         (State): Add pc_changed.  Instructions which update the PC should
1069         use the JMP macro which sets this.
1070         (JMP): New macro.  Sets the PC and the pc_changed flag.
1071
1072         * gencode.c (write_opcodes): Add is_long field.
1073
1074         * interp.c (lookup_hash): If we blindly apply a short opcode's mask
1075         to a long opcode we could get a false match.  Check the opcode size.
1076         (hash): Add a size field to the hash table.
1077         (sim_open): Initialize size field in hash table.
1078         (sim_resume): Change to logic for setting the PC.  Used to increment the
1079         PC if it had not been changed.  This didn't allow single-instruction loops.
1080         Now checks the flag State.pc_changed.  Also now stops when ^C is received.
1081         (dmem_addr): Fix translation of data segments to unified memory.
1082         (sim_ctrl_c): New function.  When ^C is received, set stop_simulator flag.
1083
1084         * simops.c: Changed all branch and jump instructions to use new JMP macro.
1085         (OP_20000000): Corrected trace information to show this is a ldi.l, not
1086         a ldi.s instruction.
1087
1088 Thu Oct 31 19:13:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1089
1090         * interp.c (sim_fetch_register, sim_store_register): Fix bug where
1091         updating the accumulators was overwriting other parts of the global
1092         State variable.
1093
1094 Wed Oct 30 17:35:14 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1095
1096         * interp.c (bfd.h) Don't include it here any more.
1097         (text{,_start,_end}): Move here from simops.c and make extern.
1098         (decode_pc): New function to return the PC as an address that the
1099         debugger can use.
1100         (dmem_addr): Print decoded PC in error message.
1101         (pc_addr): Ditto.
1102
1103         * simops.c (bfd.h) Don't include it here any more.
1104         (text{,_start,_end}): Move to simops.c.
1105         (trace_input_func): Move decoding of PC, and looking up .text
1106         start to decode_pc.
1107
1108         * d10v_sim.h (bfd.h): Include it here.
1109         (text{,_start,_end}): Add external declarations.
1110         (exec_bfd): Ditto.
1111         (decode_pc): Ditto.
1112
1113 Tue Oct 29 12:13:52 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1114
1115         * interp.c (sim_size): Now allocates unified memory for imap segments
1116         0,1,2, and 127. Initializes imap0 and imap1 to 0x1000.  Initializes dmap to 0.
1117         (sim_write): Just call xfer_mem().
1118         (sim_read): Just call xfer_mem().
1119         (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
1120         (dmem_addr): New function. Reads dmap register and translates data
1121         addresses to local addresses.
1122         (pc_addr): New function. Reads imap register and computes local address
1123         corresponding to contents of the PC.
1124         (sim_resume): Change to use pc_addr().
1125         (sim_create_inferior): Change reinitialization code. Also reinitializes
1126         imap[01] and dmap.
1127         (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1128         (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1129
1130         * simops.c (MEMPTR): Redefine to use dmem_addr().
1131         (OP_5F00): Replace references to STate.imem with dmem_addr().
1132
1133         * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
1134         (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
1135         (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
1136
1137 Tue Oct 22 15:22:33 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1138
1139         * d10v_sim.h (_ins_type): Reorganize, so that we can provide
1140         better statistics, like not counting NOPS as parallel
1141         instructions, and printing total cycles.
1142         (ins_type_counters): Make unsigned long.
1143         (left_nops,right_nops): Fold into ins_type_counters.
1144
1145         * simops.c (trace_input_func): Print new instruction types.
1146         Handle OP_R2R3 as input types.
1147         (OP_{38000000,7000}): Correctly sign extend bytes.
1148         (OP_5E00): Don't count NOPs as parallel instructions.
1149         (OP_460B): Remove unused variable.
1150         (OP_5F00): Ditto.
1151
1152         * interp.c (ins_type_counters): Make unsigned long.
1153         (left_nops,right_nops): Delete.
1154         (most functions): Add prototypes.
1155         (INLINE): If GCC and optimize define as __inline__.
1156         ({,lookup_}hash,get_operands): Declare as INLINE.
1157         (do_parallel): Count conditional operations.
1158         (add_commas): New function, to add commas every 3 digits.
1159         (sim_size): Call add_commas to print numbers.
1160         (sim_{open,resume}): Delete unused variables.
1161         (sim_info): Provide better statistics.
1162         (sim_read): Add int return type.
1163
1164 Mon Oct 21 16:16:26 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1165
1166         * interp.c (sim_resume): Change the way single-stepping and exceptions
1167         are handled so single-stepping works again.
1168
1169 Thu Oct 17 12:24:16 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1170
1171         * endian.c: Optimize simulated loads/stores on x86, AIX, and big
1172         endian hosts.
1173
1174         * configure.in (--enable-sim-bswap): New switch to enable using
1175         the BSWAP instruction on x86's.
1176         * configure: Regenerate.
1177
1178         * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
1179         support.
1180
1181 Wed Oct 16 13:50:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1182
1183         * endian.c: New file.  Move endian functions here from interp.c.
1184         Optimize code, and make it work as either inline functions or as a
1185         separate file.
1186
1187         * interp.c: Move endian functions from here to endian.c.
1188
1189         * Makefile.in (INCLUDE): Add endian.c.
1190         (run,libsim.a): Add dependency on endian.o.
1191         (endian.o): Add dependency.
1192
1193         * d10v_sim.h (read/write support): Always go through the machine
1194         independent endian functions.  If compiling with GCC and
1195         optimizing, include endian.c so the endian functions are inlined.
1196
1197         * simops.c (OP_5F00): Correct tracing of accumulators.
1198
1199 Tue Oct 15 10:57:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1200
1201         * simops.c (OP_5F00): Add support for getpid, kill system calls.
1202
1203         * interp.c (do_{2_short,parallel}): If an exception is raised,
1204         don't execute the second instruction.
1205
1206 Sat Oct 12 22:17:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1207
1208         * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
1209         temporary in case the register is overriden when loading.
1210         (OP_6200): Output type is OP_DREG for tracing.
1211
1212 Fri Oct  4 23:46:18 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1213
1214         * d10v_sim.h (struct _state): Add mem_{min,max} fields.
1215
1216         * interp.c (sim_size): Initialize mem_{min,max} fields.
1217         (sim_write): Update mem_{min,max} fields.
1218         (sim_resume): If PC is not in the minimum/maximum memory range,
1219         abort.
1220         (sim_create_inferior): Preserve mem_{min,max} fields.
1221
1222 Fri Sep 27 13:11:58 1996  Mark Alexander  <marka@cygnus.com>
1223
1224         * simops.c (OP_5F00): Add support for time() system call.
1225
1226 Wed Sep 25 16:31:41 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1227
1228         * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
1229         stored if tracing.
1230         (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
1231         system calls.
1232
1233 Mon Sep 23 17:55:30 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1234
1235         * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
1236         (trace_input_func): Add support for  OP_{CONSTANT8,R2,R3}.
1237         (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
1238         to call/subroutine returns to trace the first two arguments and
1239         the return value.  For small jumps, use CONSTANT8, not CONSTANT16.
1240
1241 Fri Sep 20 15:36:45 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1242
1243         * interp.c (sim_create_inferior): Reinitialize State every time
1244         sim_create_inferior() is called.
1245
1246 Thu Sep 19 21:38:20 1996  Michael Meissner  <meissner@wogglebug.ziplink.net>
1247
1248         * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
1249         on comparisons.
1250         (OP_401): Fix tracing information.
1251
1252 Thu Sep 19 10:30:22 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1253
1254         * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
1255         (trace_input_func): Use them.
1256         (trace_input_func): Make sure there is a trailing space after the
1257         instruction.
1258         (OP_6200): Fix tracing info.
1259
1260         * Makefile.in (run): Add dependencies on libbfd.a and
1261         libiberity.a.
1262
1263 Wed Sep 18 09:13:25 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1264
1265         * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
1266         numbers and function names in debug trace.
1267         (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
1268         DEBUG_LINE_NUMBER.
1269         (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
1270         and exit system call trap being executed.
1271
1272         * interp.c (sim_stop_reason): Set exit code correctly for stop
1273         instruction and exit system call trap.
1274
1275         * configure.in (--enable-sim-cflags): Remove trace case.
1276         (--enable-sim-debug): New switch to set the debug values.
1277         * configure: Regenerate.
1278
1279         * simops.c (trace_{input,output}_func): Rename from
1280         trace_{input,output}.
1281         (trace_{input,output}): Call trace_{input,output}_func if
1282         d10v_debug is non-zero.
1283         (SIZE_INSTRUCTION): Cut down to 8.
1284         (SIZE_OPERANDS): Cut down to 18.
1285         (SIZE_LOCATION): New value for size of line number, function name
1286         field.
1287         (init_text_p,text{,_start,_end}): New static variables for
1288         printing line number and function name.
1289         (exec_bfd): New external that run.c sets.
1290         (trace_input_func): Print line number and function name if
1291         available and if desired.
1292         (OP_4E09): Don't print out DBT message.
1293         (OP_5FE0): Set exception field to SIG_D10V_STOP.
1294         (OP_5F00): Set exception field to SIG_D10V_EXIT.
1295
1296 Sat Sep 14 22:18:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1297
1298         * interp.c (do_2_short): If the instruction encodes jump->ins,
1299         don't do the second instruction if the jump succeeds.
1300
1301 Fri Sep 13 22:35:19 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1302
1303         * simops.c (OP_5F00): Use unknown traps to print all GPRs,
1304         accumulators, PC, and F0/F1/C flags.
1305
1306 Thu Sep 12 12:50:11 1996  Mark Alexander  <marka@cygnus.com>
1307
1308         * simops.c (OP_5F00): Fix problems with system calls.
1309
1310 Thu Sep 12 12:19:28 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1311
1312         * simops.c (OP_5F00): Correct tracing information for trap.
1313
1314 Wed Sep 11 18:55:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1315
1316         * Makefile.in (CSEARCH): Correctly find opcodes directory.
1317
1318 Mon Sep  9 13:27:26 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1319
1320         * simops.c (trace_output): Properly align accumulator output.
1321         (OP_3{0,2,4}00): Properly parenthesize test expression.  Add error
1322         if shift count is too high.
1323         (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
1324         (OP_4E09): Make cpfg properly trace the input flags.
1325         (op_types): Add OP_FLAG_OUTPUT.
1326         (trace_{input,output}): Support OP_FLAG_OUTPUT.
1327         (OP_31000000): This ld2w varient is a 16-bit memory reference, not
1328         an 8-bit memory reference instruction for tracing purposes.
1329         (OP_201): Addi needs to set the carry.
1330
1331 Fri Sep  6 17:56:17 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1332
1333         * simops.c (OP_2600, OP_2601): Changed min and max comparisons
1334         to use signed register values.
1335
1336 Wed Sep  4 11:35:17 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1337
1338         * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
1339         output.
1340         (_ins_type): New enumeration to specify which container an
1341         instruction is in, and whether it is part of a parallel operation.
1342         (_state): Add ins_type field.
1343         ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
1344         (ins_type_counters): Counters for the various instruction types.
1345         ({left,right}_nops): Counters for the number of nops in each
1346         container.
1347         (d10v_debug): New variable to indicate whether debugging is turned
1348         on.
1349
1350         * simops.c: (all functions): Change all #ifdef DEBUG code so that
1351         the input and output values can be traced, along with the
1352         instruction type.  Make the -t option enable tracing.
1353         (all functions): Change printf calls to use the printf_filtered
1354         function in the callback table.
1355
1356         * interp.c (_leftright): New enumeration to say whether 2 short
1357         instructions are done left first or right first.
1358         (do_{long,2_short,parallel}): Indicate in the machine state which
1359         type of instruction this is.  Count each of the types of
1360         instructions executed.
1361         (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
1362         flag is set.
1363         (sim_resume): Pass left/right indication to do_2_short.
1364         (all functions): Change printf calls to use the printf_filtered
1365         function in the callback table.
1366         (sim_trace): Turn on debug flag if DEBUG was defined, and call
1367         sim_resume.
1368         (sim_info): Print out statistics on instructions.
1369         (sim_{trace,create_inferior}): Eliminate extraneous output unless
1370         debugging.
1371         (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
1372         Only initialize the hash table the first time sim_open is called.
1373
1374         * Makefile.in: Make objects depend on d10v_sim.h.
1375         ({,SIM_}CFLAGS): Include configure dependent switches.  Setting
1376         CFLAGS does not override host/target defines or SIM_CFLAGS.
1377         (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
1378         (run): By default, the math library is not needed to be linked
1379         in.
1380         ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
1381         overridden.
1382         (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
1383         makes.
1384         ({run,callback}.o): Provide explicit paths to their appropriate
1385         source directories.
1386         (gencode{,.o},d10v-opc.o): Split compilation into creating object
1387         and linking.  Instead of linking in libopcodes.a, just compile
1388         d10v-opc.o directly to handle canadian cross.
1389         (CSEARCH): Add opcodes directory.
1390
1391         * configure.in (--enable-sim-cflags): New switch to allow user to
1392         set the defaults.
1393         (CC_FOR_BUILD): Deal with canadian crosses.
1394         * configure: Regenerate.
1395
1396 Wed Sep 04 04:45:34 1996  Mark Alexander  <marka@cygnus.com>
1397
1398         * simops.c: Include correct syscall.h for d10v, not host's.
1399         Fix #ifdef SYS_stat.
1400
1401 Tue Sep  3 14:00:04 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1402
1403         * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1404         Add trap 2 to be printf and trap 3 to be putchar.
1405
1406 Wed Aug 28 21:42:34 1996  Mark Alexander  <marka@cygnus.com>
1407
1408         * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1409         for low-level system calls.
1410
1411 Wed Aug 28 17:33:19 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1412
1413         * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1414
1415 Mon Aug 26 18:30:28 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1416
1417         * d10v_sim.h (SEXT32): Added.
1418         * interp.c: Commented out printfs.
1419         * simops.c:  Fixed error in sb and st2w.
1420
1421 Thu Aug 15 13:30:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1422
1423         * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1424         DSP instructions.  Added modulo addressing.
1425
1426 Sun Aug 11 12:57:15 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1427
1428         * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1429
1430 Fri Aug  2 17:44:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1431
1432         * d10v_sim.h, simops.c: Snapshot.
1433
1434 Thu Aug  1 17:05:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1435
1436         * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1437         gencode.c, interp.c, simops.c: Created.
1438