sim/d10v/ChangeLog

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