sim/d10v/ChangeLog

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