sim/d10v/ChangeLog

   1 2015-11-15  Mike Frysinger  <vapier@gentoo.org>
   2
   3         * d10v_sim.h (d10v_callback): Delete.
   4         * interp.c (d10v_callback): Delete.
   5         (do_long, do_2_short, do_parallel, set_dmap_register,
   6         set_imap_register, xfer_mem, dmem_addr, imem_addr, sim_info,
   7         sim_create_inferior): Replace d10v_callback->printf_filtered
   8         with sim_io_printf.
   9         (sim_open): Delete d10v_callback assignment.
  10         * simops.c (move_to_cr, trace_input_func, do_trace_output_flush,
  11         do_trace_output_finish, trace_output_40, trace_output_32,
  12         trace_output_16, trace_output_void, trace_output_flag, OP_5F20,
  13         OP_5201, OP_27000000, OP_3220, OP_3400, OP_3000, OP_6C1F, OP_6C01,
  14         OP_6E1F, OP_6E01): Replace d10v_callback->printf_filtered with
  15         sim_io_printf and d10v_callback->flush_stdout with
  16         sim_io_flush_stdout.
  17         (OP_5F00): Likewise.  Rename d10v_callback to cb.
  18
  19 2015-11-15  Mike Frysinger  <vapier@gentoo.org>
  20
  21         * Makefile.in (SIM_OBJS): Add sim-reason.o, sim-resume.o, and
  22         sim-stop.o.
  23         * d10v_sim.h (struct d10v_memory): Delete fault member.
  24         (struct _state): Delete exception member.
  25         * interp.c (lookup_hash): Call sim_engine_halt instead of setting
  26         State.exception.
  27         (do_2_short, do_parallel): Delete State.exception checks.
  28         (sim_size): Mark static.
  29         (map_memory): Call sim_engine_halt instead of returning fault.
  30         Call xcalloc instead of calloc and checking the return.
  31         (dmem_addr): Call sim_engine_halt when phys_size is 0.
  32         (imem_addr): Likewise.
  33         (stop_simulator, sim_stop, sim_stop_reason): Delete.
  34         (sim_resume): Rename to ...
  35         (step_once): ... this.  Delete State.exception code and move
  36         siggnal checking to sim_engine_run.
  37         (sim_engine_run): New function.
  38         * simops.c (EXCEPTION): Define.
  39         (move_to_cr): Call EXCEPTION instead of setting State.exception.
  40         (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
  41         OP_6601, OP_6201, OP_6200, OP_33010000, OP_5201, OP_27000000,
  42         OP_2F000000, OP_3220, OP_3200, OP_3400, OP_3000, OP_34000000,
  43         OP_6800, OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000,
  44         OP_6A00, OP_6E1F, OP_6A01, OP_6E01, OP_37010000, OP_5FE0): Likewise.
  45         (OP_5F20): Call sim_engine_halt instead of setting State.exception.
  46         (OP_5F00): Call sim_engine_halt and EXCEPTION instead of setting
  47         State.exception.
  48
  49 2015-11-15  Mike Frysinger  <vapier@gentoo.org>
  50
  51         * d10v_sim.h (struct simops): Add SIM_DESC and SIM_CPU to func args.
  52         (SET_CREG, SET_HW_CREG, SET_PSW_BIT): Pass sd and cpu to move_to_cr.
  53         (dmem_addr, imem_addr, move_to_cr): Add SIM_DESC and SIM_CPU args.
  54         (RB, SW, RW, SLW, RLW): Pass sd and cpu to dmem_addr.
  55         * endian.c: Change d10v_sim.h include to sim-main.h.
  56         * gencode.c: Likewise.  Add SIM_DESC and SIM_CPU args to all OPs.
  57         * interp.c (lookup_hash, do_long, do_2_short, do_parallel,
  58         map_memory, set_dmap_register, dmap_register, set_imap_register,
  59         imap_register, sim_d10v_translate_dmap_addr, xfer_mem,
  60         sim_d10v_translate_imap_addr, sim_d10v_translate_addr): Add
  61         SIM_DESC and SIM_CPU args and adjust all callers.
  62         (trace_sd): Delete.
  63         (sim_open): Do not assign trace_sd.
  64         (sim_resume, sim_create_inferior, sim_fetch_register,
  65         sim_store_register): Set up cpu from the first one in sd.
  66         * simops.c (move_to_cr): Add SIM_DESC and SIM_CPU args.
  67         (trace_input_func, trace_input, do_trace_output_finish,
  68         do_trace_output_finish, trace_output_40, trace_output_32,
  69         trace_output_16, trace_output_void, trace_output_flag): Add
  70         SIM_DESC arg.
  71         (trace_input_func): Likewise.  Change trace_sd to sd.
  72         (OP_*): Add SIM_DESC and SIM_CPU args to all OP funcs.
  73
  74 2015-11-14  Mike Frysinger  <vapier@gentoo.org>
  75
  76         * interp.c (sim_close): Delete.
  77
  78 2015-11-10  Mike Frysinger  <vapier@gentoo.org>
  79
  80         * interp.c (sim_d10v_translate_dmap_addr): Mark static.
  81         (sim_d10v_translate_imap_addr): Likewise.
  82         (sim_d10v_translate_addr): Likewise.
  83
  84 2015-06-23  Mike Frysinger  <vapier@gentoo.org>
  85
  86         * configure: Regenerate.
  87
  88 2015-06-12  Mike Frysinger  <vapier@gentoo.org>
  89
  90         * configure: Regenerate.
  91
  92 2015-06-12  Mike Frysinger  <vapier@gentoo.org>
  93
  94         * configure: Regenerate.
  95
  96 2015-04-18  Mike Frysinger  <vapier@gentoo.org>
  97
  98         * sim-main.h (SIM_CPU): Delete.
  99
 100 2015-04-18  Mike Frysinger  <vapier@gentoo.org>
 101
 102         * sim-main.h (sim_cia): Delete.
 103
 104 2015-04-17  Mike Frysinger  <vapier@gentoo.org>
 105
 106         * sim-main.h (CIA_GET, CIA_SET): Delete.
 107
 108 2015-04-17  Mike Frysinger  <vapier@gentoo.org>
 109
 110         * interp.c (d10v_pc_get, d10v_pc_set): New functions.
 111         (sim_open): Declare new local var i.  Call CPU_PC_FETCH &
 112         CPU_PC_STORE for all cpus.
 113
 114 2015-04-15  Mike Frysinger  <vapier@gentoo.org>
 115
 116         * Makefile.in (SIM_OBJS): Delete sim-cpu.o.
 117         * sim-main.h (STATE_CPU): Delete.
 118
 119 2015-04-13  Mike Frysinger  <vapier@gentoo.org>
 120
 121         * configure: Regenerate.
 122
 123 2015-04-06  Mike Frysinger  <vapier@gentoo.org>
 124
 125         * Makefile.in (SIM_OBJS): Delete sim-engine.o.
 126
 127 2015-04-02  Mike Frysinger  <vapier@gentoo.org>
 128
 129         * interp.c (lookup_hash): Change SIGILL to GDB_SIGNAL_ILL.
 130         (sim_resume): Change SIGBUS/SIGSEGV to GDB_SIGNAL_BUS, SIGILL to
 131         GDB_SIGNAL_ILL, and SIGTRAP to GDB_SIGNAL_TRAP.
 132
 133 2015-04-01  Mike Frysinger  <vapier@gentoo.org>
 134
 135         * interp.c (sim_set_profile, sim_set_profile_size): Delete.
 136
 137 2015-03-31  Mike Frysinger  <vapier@gentoo.org>
 138
 139         * Makefile.in (simops.o): New rule.
 140
 141 2015-03-30  Mike Frysinger  <vapier@gentoo.org>
 142
 143         * d10v_sim.h (text, text_start, text_end, prog_bfd): Delete.
 144         (SEXT8, SEXT16, SEXT32, MASK32): Undefine.
 145         * interp.c: Delete run-sim.h and d10v_sim.h includes.  Include
 146         sim-main.h and sim-options.h.
 147         (myname, sim_kind, init_text_p, prog_bfd_was_opened_p, prog_bfd,
 148         text, text_start, text_end, decode_pc, sim_set_profile,
 149         sim_set_profile_size, sim_set_trace, sim_set_callbacks,
 150         sim_trace, sim_do_command, sim_load): Delete.
 151         (INLINE): Delete define.
 152         (free_state): New function.
 153         (trace_sd): Declare global variable.
 154         (sim_open): Rewrite to use new common logic.
 155         (sim_close): Delete body.
 156         * Makefile.in (SIM_RUN_OBJS, SIM_EXTRA_CFLAGS): Delete.
 157         (SIM_OBJS): Change to $(SIM_NEW_COMMON_OBJS).
 158         * sim-main.h: New file.
 159         * simops.c: Change d10v_sim.h include to sim-main.h.
 160         (trace_input_func): Rewrite pc checks to use trace_sd.
 161
 162 2015-03-30  Mike Frysinger  <vapier@gentoo.org>
 163
 164         * Makefile.in (SIM_EXTRA_CFLAGS): Delete -DNEED_UI_LOOP_HOOK.
 165         * interp.c [NEED_UI_LOOP_HOOK] (UI_LOOP_POLL_INTERVAL,
 166         ui_loop_hook_counter, deprecated_ui_loop_hook): Delete.
 167         (sim_resume) [NEED_UI_LOOP_HOOK]: Delete ui code.
 168
 169 2015-03-30  Mike Frysinger  <vapier@gentoo.org>
 170
 171         * Makefile.in (gencode.o, d10v-opc.o): Add $(WARN_CFLAGS).
 172         (gencode): Add $(BUILD_LDFLAGS).
 173         * endian.c (get_word, get_longword, get_longlong, write_word,
 174         write_longword, write_longlong): Convert old style prototypes.
 175         * gencode.c: Include string.h.
 176         (main): Convert old style prototype.
 177         (write_header): Convert old style prototype and fix printf format.
 178         (write_template, write_opcodes): Likewise.
 179         (check_opcodes): Mark static void.
 180         * interp.c: Include inttypes.h and run-sim.h.
 181         (hash, lookup_hash, decode_pc, do_long, do_2_short, do_parallel,
 182         add_commas, sim_size, sim_write, sim_read, sim_open, sim_close,
 183         sim_set_profile, sim_set_profile_size, sim_stop, +sim_resume,
 184         sim_info, sim_set_callbacks, sim_stop_reason, sim_fetch_register,
 185         sim_store_register, sim_do_command, sim_load): Convert old style
 186         prototypes.
 187         (sim_create_inferior): Fix pointer cast to use uintptr_t.
 188         * simops.c (strrchr): Delete prototype.
 189         (trace_input_func): Mark name static.
 190         (trace_input_func, trace_output_void, trace_output_flag): Convert old style
 191         prototypes.
 192         (OP_*): Convert old style prototypes.
 193
 194 2015-03-30  Mike Frysinger  <vapier@gentoo.org>
 195
 196         * Makefile.in (interp.o, simops.o, endian.o, table.o): Delete rules.
 197         * configure.ac: Call SIM_AC_OPTION_ENDIAN, SIM_AC_OPTION_ALIGNMENT,
 198         SIM_AC_OPTION_HOSTENDIAN, SIM_AC_OPTION_ENVIRONMENT, and
 199         SIM_AC_OPTION_INLINE.
 200         * config.in, configure: Regenerate.
 201         * interp.c (sim_trace): Define.
 202
 203 2015-03-16  Mike Frysinger  <vapier@gentoo.org>
 204
 205         * config.in, configure: Regenerate.
 206
 207 2015-03-14  Mike Frysinger  <vapier@gentoo.org>
 208
 209         * Makefile.in (SIM_EXTRA_CFLAGS): Add
 210         -DSIM_USE_DEPRECATED_RUN_FRONTEND.
 211         (SIM_RUN_OBJS): Set to run.o.
 212
 213 2015-03-14  Mike Frysinger  <vapier@gentoo.org>
 214
 215         * configure.ac (AC_CHECK_HEADERS): Delete.
 216         * aclocal.m4, configure: Regenerate.
 217
 218 2014-08-19  Alan Modra  <amodra@gmail.com>
 219
 220         * configure: Regenerate.
 221
 222 2014-08-15  Roland McGrath  <mcgrathr@google.com>
 223
 224         * configure: Regenerate.
 225         * config.in: Regenerate.
 226
 227 2014-03-10  Mike Frysinger  <vapier@gentoo.org>
 228
 229         * interp.c (sim_do_command): Add const to cmd.
 230
 231 2014-03-05  Mike Frysinger  <vapier@gentoo.org>
 232
 233         * interp.c (sim_load): Add const to prog.
 234
 235 2014-03-04  Mike Frysinger  <vapier@gentoo.org>
 236
 237         * configure: Regenerate.
 238
 239 2013-09-23  Alan Modra  <amodra@gmail.com>
 240
 241         * configure: Regenerate.
 242
 243 2013-06-03  Mike Frysinger  <vapier@gentoo.org>
 244
 245         * aclocal.m4, configure: Regenerate.
 246
 247 2013-05-10  Freddie Chopin  <freddie_chopin@op.pl>
 248
 249         * configure: Rebuild.
 250
 251 2012-06-19  Joel Brobecker  <brobecker@adacore.com>
 252
 253         * interp.c: #include "config.h" instead of "sysdep.h".
 254         Add conditional include of string.h or strings.h, as well as
 255         conditional include of stdlib.h.
 256
 257 2012-06-15  Joel Brobecker  <brobecker@adacore.com>
 258
 259         * config.in, configure: Regenerate.
 260
 261 2012-05-24  Pedro Alves  <palves@redhat.com>
 262
 263         PR gdb/7205
 264
 265         Replace TARGET_SIGNAL_ with GDB_SIGNAL_ throughout.
 266
 267 2012-03-24  Mike Frysinger  <vapier@gentoo.org>
 268
 269         * aclocal.m4, config.in, configure: Regenerate.
 270
 271 2011-12-03  Mike Frysinger  <vapier@gentoo.org>
 272
 273         * aclocal.m4: New file.
 274         * configure: Regenerate.
 275
 276 2011-10-17  Mike Frysinger  <vapier@gentoo.org>
 277
 278         * configure.ac: Change include to common/acinclude.m4.
 279
 280 2011-10-17  Mike Frysinger  <vapier@gentoo.org>
 281
 282         * configure.ac: Change AC_PREREQ to 2.64.  Delete AC_CONFIG_HEADER
 283         call.  Replace common.m4 include with SIM_AC_COMMON.
 284         * configure: Regenerate.
 285
 286 2010-04-14  Mike Frysinger  <vapier@gentoo.org>
 287
 288         * interp.c (sim_write): Add const to buffer arg.
 289
 290 2010-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 291
 292         * configure: Regenerate.
 293
 294 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 295
 296         * config.in: Regenerate.
 297         * configure: Likewise.
 298
 299         * configure: Regenerate.
 300
 301 2008-07-11  Hans-Peter Nilsson  <hp@axis.com>
 302
 303         * configure: Regenerate to track ../common/common.m4 changes.
 304         * config.in: Ditto.
 305
 306 2008-06-06  Vladimir Prus  <vladimir@codesourcery.com>
 307             Daniel Jacobowitz  <dan@codesourcery.com>
 308             Joseph Myers  <joseph@codesourcery.com>
 309
 310         * configure: Regenerate.
 311
 312 2006-12-21  Hans-Peter Nilsson  <hp@axis.com>
 313
 314         * acconfig.h: Remove.
 315         * config.in: Regenerate.
 316
 317 2006-06-13  Richard Earnshaw  <rearnsha@arm.com>
 318
 319         * configure: Regenerated.
 320
 321 2006-06-05  Daniel Jacobowitz  <dan@codesourcery.com>
 322
 323         * configure: Regenerated.
 324
 325 2006-05-31  Daniel Jacobowitz  <dan@codesourcery.com>
 326
 327         * configure: Regenerated.
 328
 329 2006-04-18  Nick Clifton  <nickc@redhat.com>
 330
 331         * interp.c (sim_stop_reason): Fix typo.
 332
 333 2005-11-28  Mark Mitchell  <mark@codesourcery.com>
 334
 335         * interp.c (gdb/signals.h): Include it.
 336         (sim_stop_reason): Use TARGET_SIGNAL_*.
 337
 338 2005-03-23  Mark Kettenis  <kettenis@gnu.org>
 339
 340         * configure: Regenerate.
 341
 342 2005-01-14  Andrew Cagney  <cagney@gnu.org>
 343
 344         * configure.ac: Sinclude aclocal.m4 before common.m4.  Add
 345         explicit call to AC_CONFIG_HEADER.
 346         * configure: Regenerate.
 347
 348 2005-01-12  Andrew Cagney  <cagney@gnu.org>
 349
 350         * configure.ac: Update to use ../common/common.m4.
 351         * configure: Re-generate.
 352
 353 2005-01-11  Andrew Cagney  <cagney@localhost.localdomain>
 354
 355         * configure: Regenerated to track ../common/aclocal.m4 changes.
 356
 357 2005-01-07  Andrew Cagney  <cagney@gnu.org>
 358
 359         * configure.ac: Rename configure.in, require autoconf 2.59.
 360         * configure: Re-generate.
 361
 362 2004-12-08  Hans-Peter Nilsson  <hp@axis.com>
 363
 364         * configure: Regenerate for ../common/aclocal.m4 update.
 365
 366 2004-06-28  Andrew Cagney  <cagney@gnu.org>
 367
 368         * interp.c (sim_resume): Rename ui_loop_hook to
 369         deprecated_ui_loop_hook.
 370
 371 2003-10-30  Andrew Cagney  <cagney@redhat.com>
 372
 373         * simops.c: Replace "struct symbol_cache_entry" with "struct
 374         bfd_symbol".
 375
 376 2003-06-22  Andrew Cagney  <cagney@redhat.com>
 377
 378         * interp.c (xfer_mem): Simplify.  Only do a single partial
 379         transfer.  Problem reported by Tom Rix.
 380
 381 2003-05-07  Andrew Cagney  <cagney@redhat.com>
 382
 383         * interp.c (sim_d10v_translate_addr): Add "regcache" parameter.
 384         (sim_d10v_translate_imap_addr): Ditto.
 385         (sim_d10v_translate_dmap_addr): Ditto.
 386         (xfer_mem): Pass NULL regcache to sim_d10v_translate_addr.
 387         (dmem_addr): Pass NULL regcache to sim_d10v_translate_dmap_addr.
 388         (dmap_register, imap_register): Add "regcache" parameter.
 389         (imem_addr): Pass NULL regcache to sim_d10v_translate_imap_addr.
 390         (sim_fetch_register): Pass NULL regcache to imap_register and
 391         dmap_register.
 392
 393 2003-02-27  Andrew Cagney  <cagney@redhat.com>
 394
 395         * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
 396
 397 2002-11-13  Andrew Cagney  <cagney@redhat.com>
 398
 399         * simops.c: Include <string.h>.
 400
 401 2002-06-17  Andrew Cagney  <cagney@redhat.com>
 402
 403         * d10v_sim.h (SET_PSW_BIT): Add cast to avoid inverting an enum.
 404
 405 2002-06-16  Andrew Cagney  <ac131313@redhat.com>
 406
 407         * configure: Regenerated to track ../common/aclocal.m4 changes.
 408
 409 2002-06-13  Tom Rix  <trix@redhat.com>
 410
 411         * interp.c (xfer_mem): Fix transfers across multiple segments.
 412
 413 2002-06-09  Andrew Cagney  <cagney@redhat.com>
 414
 415         * Makefile.in (INCLUDE): Update path to callback.h.
 416         * gencode.c: Do not include "callback.h".
 417         * d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
 418         * interp.c: Ditto.
 419
 420 2002-06-08  Andrew Cagney  <cagney@redhat.com>
 421
 422         * interp.c (sim_fetch_register): Fix name of enum used in cast.
 423         (sim_store_register): Ditto.
 424
 425 2002-06-02  Elena Zannoni  <ezannoni@redhat.com>
 426
 427         From Jason Eckhardt <jle@redhat.com>
 428         * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is
 429         less than MOD_S (post-decrement).
 430
 431 2002-06-01  Andrew Cagney  <ac131313@redhat.com>
 432
 433         * interp.c (sim_fetch_register, sim_store_register): Use a switch
 434         statement and enums from "sim-d10v.h".
 435
 436 2002-05-28  Elena Zannoni  <ezannoni@redhat.com>
 437
 438         * interp.c (sim_create_inferior): Add comment.
 439
 440         From Alan Matsuoka <alanm@redhat.com>:
 441         From 2001-04-27 Jason Eckhardt <jle@cygnus.com>:
 442         * simops.c (OP_4400): Output "mvf0f" instead of "mf0f".
 443         (OP_4401): Output "mvf0t" instead of "mf0t".
 444         (OP_460B): Do not output a flag register.
 445         (OP_4609): Do not output a flag register.
 446
 447 2002-05-23  Andrew Cagney  <ac131313@redhat.com>
 448
 449         * Makefile.in (INCLUDE): Add "gdb/sim-d10v.h".
 450         * interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h".
 451
 452 2001-08-01  John R. Moore  <jmoore@redhat.com>
 453
 454         * interp.c (sim_create_inferior): Removed a hack that stated
 455         it was setting r0/r1 with argc/argv.
 456
 457 2001-04-15  J.T. Conklin  <jtc@redback.com>
 458
 459         * Makefile.in (simops.o): Add simops.h to dependency list.
 460
 461 Tue May 23 21:39:23 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 462
 463         * configure: Regenerated to track ../common/aclocal.m4 changes.
 464
 465 Tue Apr 18 16:26:41 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 466
 467         * interp.c (sim_resume): Deliver SIGILL.
 468         (lookup_hash): Do not print SIGILL message.
 469
 470 Tue Feb 22 18:24:56 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 471
 472         * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
 473         * interp.c (sim_set_trace): Replace sim_trace.  Enable tracing.
 474
 475 Tue Feb  8 17:41:12 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 476
 477         * d10v_sim.h (SIG_D10V_BUS): Define.
 478
 479         * simops.c (address_exception): Delete function.
 480         (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
 481         OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
 482         OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
 483         OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
 484         address_exception with code that sets SIG_D10V_BUS.
 485
 486         * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
 487         error to the simulator before resuming execution.
 488         (sim_trace): Check stop reason and use that to determine sim_trace
 489         return value.
 490         (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
 491         sigrc.
 492
 493 Tue Jan 18 16:07:42 MST 2000    Diego Novillo <dnovillo@cygnus.com>
 494
 495         * interp.c (sim_create_inferior): Change internal initial value for
 496         DMAP2 to 0x2000.
 497
 498 Mon Jan  3 02:06:07 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 499
 500         * interp.c (lookup_hash): Stop the update of the PC when there was
 501         an illegal instruction exception.
 502
 503 Mon Jan  3 00:14:33 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 504
 505         * simops.c (address_exception): New function.
 506         (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
 507         OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
 508         OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
 509         OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
 510         and "st2w" check that the address is aligned.
 511
 512 1999-12-30  Chandra Chavva   <cchavva@cygnus.com>
 513
 514         * d10v_sim.h (INC_ADDR): Added code to assign
 515         proper address for loads with predec operations.
 516
 517 1999-11-25  Nick Clifton  <nickc@cygnus.com>
 518
 519         * simops.c (OP_4E0F): New function: Simulate new bit pattern for
 520         cpfg instruction.
 521
 522 Fri Oct 29 18:34:28 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 523
 524         * simops.c (move_to_cr): Don't allow user to set PSW.DM in either
 525         DPSW and BPSW.
 526
 527 Thu Oct 28 01:26:18 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 528
 529         * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
 530         (PSW_HW_MASK): Declare.
 531
 532         * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
 533         (SET_CREG, SET_PSW_BIT): Update.
 534         (SET_HW_CREG, SET_HW_PSW): Define.
 535
 536 Sun Oct 24 21:38:04 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 537
 538         * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
 539         for DMAP3.
 540
 541 Sun Oct 24 16:04:16 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 542
 543         * interp.c (sim_d10v_translate_addr): New function.
 544         (xfer_mem): Rewrite.  Use sim_d10v_translate_addr.
 545         (map_memory): Make INLINE.
 546
 547 Sun Oct 24 13:45:19 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 548
 549         * interp.c (sim_d10v_translate_dmap_addr): New function.
 550         (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr.  Change
 551         offset parameter to type uint16.
 552         * d10v_sim.h (dmem_addr): Update declaration.
 553
 554 Sun Oct 24 13:07:31 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 555
 556         * interp.c (imap_register, set_imap_register, dmap_register,
 557         set_imap_register): Use map_memory.
 558         (DMAP): Update.
 559         (sim_create_inferior): Initialize all DMAP registers.  NOTE that
 560         DMAP2, in internal memory mode, is set to 0x0000 and NOT
 561         0x2000. This is consistent with the older d10v boards.
 562
 563 Sun Oct 24 11:22:12 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 564
 565         * interp.c (sim_d10v_translate_imap_addr): New function.
 566         (imem_addr): Rewrite.  Use sim_d10v_translate_imap_addr.
 567         (last_from, last_to): Declare.
 568
 569 Sun Oct 24 01:21:56 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 570
 571         * d10v_sim.h (struct d10v_memory): Define.  Support very long
 572         memories.
 573         (struct _state): Replace imem, dmem and umem by mem.
 574         (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
 575         DMEM_SEGMENTS, UMEM_SEGMENTS): Define.
 576
 577         * interp.c (map_memory): New function.
 578         (sim_size, xfer_memory, imem_addr, dmem_addr): Update.
 579         (UMEM_SEGMENTS): Moveed to "d10v_sim.h".
 580         (IMEM_SIZEDMEM_SIZE): Delete.
 581
 582 Sat Oct 23 20:06:58 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 583
 584         * interp.c: Include "sim-d10v.h".
 585         (imap_register, set_imap_register, dmap_register,
 586         set_dmap_register, spi_register, spu_register, set_spi_register,
 587         set_spu_register): New functions.
 588         (sim_create_inferior): Update.
 589         (sim_fetch_register, sim_store_register): Rewrite.  Use enums
 590         defined in sim-d10v.h.
 591
 592         * d10v_sim.h (DEBUG_MEMORY): Define.
 593         (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
 594
 595 Sat Oct 23 18:41:18 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 596
 597         * interp.c (sim_open): Allow a debug value to be passed to the -t
 598         option.
 599         (lookup_hash): Don't exit on an illegal instruction.
 600         (do_long, do_2_short, do_parallel): Check for failed instruction
 601         lookup.
 602
 603 Mon Oct 18 18:03:24 MDT 1999    Diego Novillo <dnovillo@cygnus.com>
 604
 605         * simops.c (OP_3220): Fix trace output for illegal accumulator
 606         message.
 607
 608 1999-09-14  Nick Clifton  <nickc@cygnus.com>
 609
 610         * simops.c: Disable setting of DM bit in PSW.
 611
 612 Wed Sep  8 19:34:55 MDT 1999    Diego Novillo <dnovillo@cygnus.com>
 613
 614         * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
 615         (trace_input_func): Added support for OP_MEMREF3.
 616         (OP_32010000): New instruction ld.
 617         (OP_33010000): New instruction ld2w.
 618         (OP_5209): New instruction sac.
 619         (OP_4209): New instruction sachi.
 620         (OP_3220): New instruction slae.
 621         (OP_36010000): New instruction st.
 622         (OP_37010000): New instruction st2w.
 623
 624 1999-09-09  Stan Shebs  <shebs@andros.cygnus.com>
 625
 626         * interp.c (old_segment_mapping): New global.
 627         (xfer_mem): Change the default segment mapping to be the way
 628         that Mitsubishi prefers, but use the previous mapping if
 629         old_segment_mapping is true.
 630         (sim_open): Add an option -oldseg to get the old mapping.
 631         (sim_create_inferior): Init mapping registers based on the
 632         value of old_segment_mapping.
 633
 634 1999-09-07  Nick Clifton  <nickc@cygnus.com>
 635
 636         * simops.c (OP_6601): Do not write back decremented address if
 637         either of the destination registers was the same as the address
 638         register.
 639         (OP_6201): Do not write back incremented address if either of the
 640         destination registers was the same as the address register.
 641
 642 Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 643
 644         * configure: Regenerated to track ../common/aclocal.m4 changes.
 645
 646 1999-05-08  Felix Lee  <flee@cygnus.com>
 647
 648         * configure: Regenerated to track ../common/aclocal.m4 changes.
 649
 650 1999-04-02  Keith Seitz  <keiths@cygnus.com>
 651
 652         * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
 653         defined).
 654         (sim_resume): If the counter has expired, call the ui_loop_hook,
 655         if defined.
 656         (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
 657         ui_loop_hook calls.
 658         * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
 659
 660 Wed Mar 10 19:32:13 1999  Nick Clifton  <nickc@cygnus.com>
 661
 662         * simops.c: If load instruction with auto increment/decrement
 663         addressing is used when the destination register is the same as
 664         the address register, then ignore the auto increment/decrement.
 665
 666 Wed Mar 10 19:32:13 1999  Martin M. Hunt  <hunt@cygnus.com>
 667
 668         * simops.c (OP_5F00): Ifdef SYS_stat case because
 669         not all systems have it defined.
 670
 671 1999-01-26  Jason Molenda  (jsm@bugshack.cygnus.com)
 672
 673         * simops.c (OP_5607): Correct saturation comparison/assignment.
 674         (OP_1201, OP_1203, OP_17001200, OP_17001202,
 675          OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
 676          OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
 677
 678 1999-01-26  Jason Molenda  (jsm@bugshack.cygnus.com)
 679
 680         * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
 681         comparison.
 682         (OP_5607): Ditto.
 683         (OP_2A00): Ditto.
 684         (OP_2800): Ditto.
 685
 686 1999-01-13  Jason Molenda  (jsm@bugshack.cygnus.com)
 687
 688         * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
 689         comparison.
 690
 691 Tue Nov 24 17:04:43 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 692
 693         * simops.c (sys/syscall.h): Include targ-vals.h instead.
 694         (SYS_*): Replace with TARGET_SYS_*.
 695
 696         * Makefile.in: Add dependency on targ-vals.h.
 697         (NL_TARGET): Define as NL_TARGET_d10v.
 698
 699 Wed Sep 30 00:06:32 1998  Andrew Cagney  <cagney@amy.cygnus.com>
 700
 701         * interp.c (xfer_mem): Missing break, instruction memory case
 702         flowed into unified memory case.
 703
 704 Wed Sep 30 10:14:18 1998  Nick Clifton  <nickc@cygnus.com>
 705
 706         * simops.c: If load instruction with auto increment/decrement
 707         addressing is used when the destination register is the same as
 708         the address register, then ignore the auto increment/decrement.
 709
 710 Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>
 711
 712         * configure: Regenerated to track ../common/aclocal.m4 changes.
 713
 714 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
 715
 716         * configure: Regenerated to track ../common/aclocal.m4 changes.
 717         * config.in: Ditto.
 718
 719 Sun Apr 26 15:20:23 1998  Tom Tromey  <tromey@cygnus.com>
 720
 721         * acconfig.h: New file.
 722         * configure.in: Reverted change of Apr 24; use sinclude again.
 723
 724 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
 725
 726         * configure: Regenerated to track ../common/aclocal.m4 changes.
 727         * config.in: Ditto.
 728
 729 Fri Apr 24 11:20:06 1998  Tom Tromey  <tromey@cygnus.com>
 730
 731         * configure.in: Don't call sinclude.
 732
 733 Fri Apr 24 11:04:46 1998  Andrew Cagney  <cagney@chook.cygnus.com>
 734
 735         * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
 736
 737         * d10v_sim.h (remote-sim.h, sim-config.h): Include.
 738
 739 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 740
 741         * configure: Regenerated to track ../common/aclocal.m4 changes.
 742
 743 Wed Apr  1 12:59:17 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 744
 745         * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
 746         up-to-date CR value.
 747         (OP_OP_1000000, add3): Trace inputs before performing add.
 748         (OP_5F00, <*>): Trace input registers before making system call.
 749         (OP_5F00, <kill>): Trace R0, R1 not REGn.
 750         (OP_5F00, <getpid>): Always return 47.
 751
 752         * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
 753         SLOT_DISCARD, SLOT_FLUSH): Define.  An implementation of write
 754         back slots.
 755         (struct _state): Add struct slot slot to global state variable.
 756         (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
 757         F0, F1, C from global State variable.
 758         (struct _state): Add struct trace to global State variable.
 759         (GPR, SET_GPR): Define.  SET_GPR uses SLOT_PEND.
 760         (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
 761         (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
 762         (INC_ADDR): Re-implement.  Use SET_GPR to update registers.
 763         (JMP): Re-implement. Use SET_* to update registers.
 764
 765         * interp.c: Use new SET_* et.al. macros to fetch / store
 766         registers.
 767         (get_operands): Squirrel away trace values at start of each
 768         operand decode.
 769         (do_2_short): Flush pending writes before issuing second
 770         instruction.
 771         (sim_resume): Flush pending writes at end of instruction cycle.
 772         (sim_fetch_register, sim_store_register, sim_create_inferior):
 773         After scheduling updates to registers using SET_*, flush updates.
 774         (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
 775         that each sets pc using SET_* and last SET_* eventually winds out.
 776
 777         * simops.c: Use new SET_* et.al. macros to fetch / store
 778         registers.
 779         (move_to_cr): Add MASK argument for selective update of CREG bits.
 780         Re-implement using new SET_* macros.
 781         (trace_output_func, trace_output): Delete. Replace with.
 782         (do_trace_output_flush, trace_output_finish, trace_output_40,
 783         trace_output_32, trace_output_16, trace_output_void,
 784         trace_output_flag): New functions.  Handle specific trace cases.
 785         (OP_*): Re-write tracing to use new trace_output_* functions.
 786         (OP_*): Re-write to use new SET_* et.al. macros.
 787         (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
 788         (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
 789
 790 Wed Apr  1 12:55:18 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 791
 792         * configure.in (SIM_AC_OPTION_WARNINGS): Add.
 793         configure: Re-generate.
 794
 795 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 796
 797         * configure: Regenerated to track ../common/aclocal.m4 changes.
 798
 799 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 800
 801         * configure: Regenerated to track ../common/aclocal.m4 changes.
 802
 803 Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 804
 805         * configure: Regenerated to track ../common/aclocal.m4 changes.
 806
 807 Tue Feb 17 12:38:42 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 808
 809         * interp.c (sim_store_register, sim_fetch_register): Pass in
 810         length parameter.  Return -1.
 811
 812 Mon Oct 27 14:43:33 1997  Fred Fish  <fnf@cygnus.com>
 813
 814         * (dmem_addr): If address is illegal or in I/O space, signal a bus
 815         error.  Allocate unified memory on demand.  Fix DMEM address
 816         calculations.
 817
 818 Mon Feb 16 10:27:53 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 819
 820         * simops.c (OP_5F20): Implement "dbt".
 821         (OP_5F60): Implement "rtd".
 822
 823         * d10v_sim.h (DPC_CR): Define enum.
 824         (DBT_VECTOR_START): Define
 825         (DPSW, DPC): Define.
 826
 827 Fri Feb 13 15:15:58 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 828
 829         * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
 830         to PSW:SM.
 831
 832         * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
 833         (SP_IDX): Define.
 834
 835 Wed Feb 11 16:53:49 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 836
 837         * simops.c (OP_5F00): Call error instead of abort for unknown
 838         syscalls.
 839
 840         * d10v_sim.h (enum): Define DPSW_CR.
 841
 842         * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
 843
 844 Tue Feb 10 18:28:38 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 845
 846         * interp.c (sim_write_phys): Delete.
 847         (sim_load): Call sim_load_file with sim_write and LMA.
 848
 849 Mon Feb  9 12:05:01 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 850
 851         * interp.c: Rewrite xfer_mem so that it translates addresses as -
 852         0x00... - DMAP translated memory, 0x01... IMAP translated memory,
 853         0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
 854         memory.
 855         (pc_addr): Delete.
 856         (imem_addr): New function - translate IMEM address.
 857         (sim_resume): Use imem_addr to translate insn address, abort if
 858         translation failed.
 859         (sim_create_inferior): Write ARGV to memory using sim_write.  Pass
 860         argc/argv using r0/r1 not r2/r3.
 861         (sim_size): Do not initialize IMAP/DMAP here.
 862         (sim_open): Call sim_create_inferior and sim_size to initialize
 863         the system.
 864         (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
 865         defaults.
 866         (init_system): Delete.
 867         (xfer_mem, sim_fetch_register, sim_store_register): Do not call
 868         init_system.
 869         (decode_pc): Check prog_bfd is defined before looking up .text
 870         section.
 871
 872 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 873
 874         * configure: Regenerated to track ../common/aclocal.m4 changes.
 875
 876 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 877
 878         * configure: Regenerated to track ../common/aclocal.m4 changes.
 879
 880 Sun Jan 25 22:23:01 1998  Michael Meissner  <meissner@cygnus.com>
 881
 882         * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
 883
 884 Sat Jan 24 19:00:30 1998  Michael Meissner  <meissner@cygnus.com>
 885
 886         * d10v_sim.h (DEBUG_TRAP): New debug flag.
 887
 888         * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
 889         printing the registers.
 890
 891 Thu Jan 22 17:54:01 1998  Michael Meissner  <meissner@cygnus.com>
 892
 893         * simops.c (op_types): New ABI, args are r0..r3, system call # is
 894         in r4.
 895         (trace_{in,out}put_func): Ditto.
 896         (OP_4900): Ditto.
 897         (OP_24800000): Ditto.
 898         (OP_4D00): Ditto.
 899         (OP_5F00): Ditto.
 900
 901 Thu Jan 22 14:30:36 1998  Fred Fish  <fnf@cygnus.com>
 902
 903         * interp.c (UMEM_SEGMENTS): New define, set to 128.
 904         (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
 905         (sim_close): Reset prog_bfd to NULL after closing it.  Also
 906         reset prog_bfd_was_opened_p after closing prog_bfd.
 907         (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
 908         (sim_create_inferior): Get start address from abfd not prog_bfd.
 909         (xfer_mem): Do bounds checking on addresses and return zero length
 910         read/write on bad addresses, rather than aborting.  Prepare to
 911         be able to handle xfers that cross segment boundaries, but not
 912         yet implemented.  Only emit debug message when d10v_debug is
 913         set as well as DEBUG being defined.
 914
 915 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 916
 917         * configure: Regenerated to track ../common/aclocal.m4 changes.
 918
 919 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 920
 921         * configure: Regenerated to track ../common/aclocal.m4 changes.
 922         * config.in: Ditto.
 923
 924 Tue Dec  9 10:28:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 925
 926         * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
 927         (BPSW): Ditto for BPSW_CR and not PSW_CR.
 928
 929         * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
 930
 931 Mon Dec  8 12:58:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 932
 933         * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
 934         reserved trap from 0 to 15. Add trap emulation code for 0-14.
 935
 936         * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
 937         IBA for SDBT.
 938
 939         * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
 940         SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
 941
 942         * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
 943         use move_to_cr.
 944         (OP_5F00): For "trap", update BPSW with move_to_cr.
 945
 946 Fri Dec  5 15:31:17 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 947
 948         * d10v_sim.h (enum): Enumerate CR register names.
 949         (enum): Enumerate PSW bit values.
 950         (PSW): Obtain value uing move_from_cr.
 951         (MOD_S, MOD_E, BPSW): Make r-values.
 952         (move_from_cr, move_to_cr): Declare functions.
 953
 954         * interp.c (sim_fetch_register, sim_store_register): Use
 955         move_from_cr and move_to_cr for CR register transfers.
 956
 957         * simops.c (move_from_cr, move_to_cr): New functions.
 958         (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
 959         (OP_5600): For "mvtc", use function move_to_cr.
 960         (OP_5200): For "mvfc", use function move_from_cr.
 961
 962 Fri Dec  5 13:33:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 963
 964         * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
 965         LSbit is zero.
 966
 967 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 968
 969         * configure: Regenerated to track ../common/aclocal.m4 changes.
 970
 971 Thu Dec  4 16:51:02 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 972
 973         * d10v_sim.h (struct _state): Add DM - PSW debug mask.
 974
 975         * simops.c (OP_5600): For "mvtc", save PSW.DM.
 976         (OP_5200): Ditto for "mvfc".
 977
 978 Wed Dec  3 17:27:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 979
 980         * d10v_sim.h (SEXT56): Define.
 981
 982         * simops.c (OP_4201): For "rac", sign extend 56 bit value before
 983         it is shifted.
 984
 985         * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
 986         SIGNED64 macro.
 987
 988 Tue Dec  2 15:38:34 1997  Fred Fish  <fnf@cygnus.com>
 989
 990         * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
 991         RIGHT_FIRST, as appropriate, instead of hardcoded ints that
 992         don't match enum values.
 993
 994 Tue Dec  2 15:01:08 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 995
 996         * simops.c (OP_3A00): For "macu", perform multiply stage using 32
 997         bit rather than 16 bit precision.
 998         (OP_3C00): For "mulxu", store unsigned product in ACC.
 999         (OP_3800): For "msbu", subtract unsigned product from ACC,
1000         (OP_0): For "sub", compute carry by comparing inputs.
1001
1002 Tue Dec  2 11:04:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1003
1004         * simops.c (OP_1000): For "sub2w", compute carry by comparing
1005         inputs.
1006
1007 Mon Nov 17 20:57:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1008
1009         * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
1010         carry indicated by value > 0xffff.
1011
1012 Fri Nov 14 12:51:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1013
1014         * interp.c (sim_resume): Don't set up SIGINT handler using signal,
1015         handled by client.
1016         (sim_resume): Fix race condition of a direct assignment to
1017         stop_simulator, conditionally call sim_stop.
1018         (sim_stop_reason): Check stop_simulator returning SIGINT.  Clear
1019         stop_simulator ready for next sim_resume call.
1020         (sim_ctrl_c): Delete function.
1021
1022 Thu Nov 13 19:29:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1023
1024         * interp.c (sim_resume): For "REP", only check/update the PC when
1025         a branch instruction has not been executed.
1026
1027 Mon Nov 10 17:50:18 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1028
1029         * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC.  Sign
1030         extend bit 44 all constants.
1031         (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
1032
1033 Fri Oct 24 10:26:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1034
1035         * d10v_sim.h: Include sim-types.h.
1036         (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
1037         using unsigned8 et.al. from sim-types.h.
1038         (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
1039         SIGNED64 macro.
1040
1041 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1042
1043         * interp.c (sim_write_phys): New function, write to physical
1044         instead of virtual memory.
1045
1046         * interp.c (sim_load): Pass lma_p and sim_write_phys to
1047         sim_load_file.
1048
1049 Mon Oct 13 10:55:07 1997  Fred Fish  <cygnus.com>
1050
1051         * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
1052         exception generation code to OP_6E01.
1053         (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
1054         generation code.
1055
1056 Sat Oct 11 09:02:08 1997  Fred Fish  <fnf@cygnus.com>
1057
1058         * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
1059         (OP_6601): Ditto.
1060
1061 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1062
1063         * configure: Regenerated to track ../common/aclocal.m4 changes.
1064
1065 Sat Sep 27 12:51:34 1997  Fred Fish  <fnf@cygnus.com>
1066
1067         * interp.c (pc_addr): Discard upper bit(s) of PC in case
1068         IMAP1 selects unified memory.
1069         * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
1070         for end condition.
1071
1072 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1073
1074         * configure: Regenerated to track ../common/aclocal.m4 changes.
1075
1076 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1077
1078         * configure: Regenerated to track ../common/aclocal.m4 changes.
1079
1080 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1081
1082         * configure: Regenerated to track ../common/aclocal.m4 changes.
1083
1084 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1085
1086         * configure: Regenerated to track ../common/aclocal.m4 changes.
1087
1088 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1089
1090         * configure: Regenerated to track ../common/aclocal.m4 changes.
1091
1092 Wed Sep 10 22:30:24 1997  Martin M. Hunt  <hunt@cygnus.com>
1093
1094         * interp.c (sim_resume): Increment PC at end of rep
1095         loop.
1096
1097         * simops.c (OP_4201): Fix rachi instruction.
1098
1099 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
1100
1101         * configure: Regenerated to track ../common/aclocal.m4 changes.
1102
1103 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1104
1105         * configure: Regenerated to track ../common/aclocal.m4 changes.
1106         * config.in: Ditto.
1107
1108 Tue Aug 26 10:37:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1109
1110         * interp.c (sim_kill): Delete.
1111         (sim_create_inferior): Add ABFD argument.
1112         (sim_load): Move setting of PC from here.
1113         (sim_create_inferior): To here.
1114         (start_address): Delete variable.
1115
1116 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1117
1118         * configure: Regenerated to track ../common/aclocal.m4 changes.
1119         * config.in: Ditto.
1120
1121 Mon Aug 25 15:39:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1122
1123         * interp.c (sim_open): Add ABFD argument.
1124
1125 Tue May 20 10:14:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1126
1127         * interp.c (sim_open): Add callback argument.
1128         (sim_set_callbacks): Remove SIM_DESC argument.
1129
1130 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
1131
1132         * configure: Regenerated to track ../common/aclocal.m4 changes.
1133
1134 Tue Apr 22 10:29:23 1997  Doug Evans  <dje@canuck.cygnus.com>
1135
1136         * interp.c (sim_open): Undo patch to add -E support.
1137
1138 Fri Apr 18 13:39:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1139
1140         * interp.c (sim_stop): New function.
1141
1142 Thu Apr 17 02:42:00 1997  Doug Evans  <dje@canuck.cygnus.com>
1143
1144         * Makefile.in (SIM_OBJS): Add sim-load.o.
1145         * d10v_sim.h (exec_bfd): Rename to prog_bfd.
1146         * interp.c: #include bfd.h.
1147         (myname, sim_kind, start_address): New static locals.
1148         (prog_bfd_was_opened_p, prog_bfd): New static locals.
1149         (decode_pc): Update to use prog_bfd.
1150         (sim_open): Set sim_kind, myname.  Ignore -E arg.
1151         (sim_close): Close prog_bfd if simulator opened it.
1152         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
1153         (sim_load): Return SIM_RC.  New arg abfd.  Set start address from bfd.
1154         Call sim_load_file to load file into simulator.
1155         * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
1156
1157 Wed Apr 16 16:12:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1158
1159         * simops.c (OP_5F00): Only provide system calls SYS_execv,
1160         SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
1161
1162 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1163
1164         * configure: Regenerated to track ../common/aclocal.m4 changes.
1165         * config.in: Ditto.
1166
1167 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
1168
1169         * interp.c (sim_open): New arg `kind'.
1170
1171         * configure: Regenerated to track ../common/aclocal.m4 changes.
1172
1173 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1174
1175         * configure: Regenerated to track ../common/aclocal.m4 changes.
1176
1177 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1178
1179         * configure: Re-generate.
1180
1181 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
1182
1183         * configure: Regenerate to track ../common/aclocal.m4 changes.
1184
1185         * simops.c (OP_5F00): Remove old traps 1-3.  Make trap 15 the same
1186         as trap 0, which will be deprecated.  Only set errno, if an error
1187         in fact was returned.
1188
1189 Thu Mar 13 12:41:20 1997  Doug Evans  <dje@canuck.cygnus.com>
1190
1191         * interp.c: Delete redundant prototypes of sim_foo fns.
1192         (sim_open): New SIM_DESC result.  Argument is now in argv form.
1193         (other sim_*): New SIM_DESC argument.
1194
1195 Thu Mar 13 10:29:04 1997  Michael Meissner  <meissner@cygnus.com>
1196
1197         * simops.c (trace_{input,output}_func): Call flush_stdout from the
1198         callback functions.
1199         (OP_5F00): Ditto.
1200         (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
1201         (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
1202         setting the carry bit after an add or a subtract.
1203
1204 Wed Feb 12 16:04:15 1997  Michael Meissner  <meissner@cygnus.com>
1205
1206         * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
1207         40 bits of accumulators.  Sign/zero extend as appropriate.
1208
1209 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
1210
1211         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
1212         COMMON_{PRE,POST}_CONFIG_FRAG instead.
1213         * configure.in: sinclude ../common/aclocal.m4.
1214         * configure: Regenerated.
1215
1216 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
1217
1218         * configure configure.in Makefile.in:  Update to new configure
1219         scheme which is more compatible with WinGDB builds.
1220         * configure.in:  Improve comment on how to run autoconf.
1221         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
1222         * Makefile.in:  Use autoconf substitution to install common
1223         makefile fragment.
1224
1225 Fri Dec 27 22:54:05 1996  Angela Marie Thomas (angela@cygnus.com)
1226
1227         * gencode.c: patch to not #include "d10v_sim.h" which
1228         unecessarily includes bfd.h and causes wingdb configure
1229         to fail.
1230
1231 Mon Dec 16 13:39:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1232
1233         * interp.c (xfer_mem): Change unified memory to 0x0.
1234
1235 Thu Nov 28 20:42:56 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1236
1237         * simops.c (OP_3E01): Fix tracing information.
1238         (OP_300{0,1}): Do not propigate sign.
1239
1240 Mon Nov 25 19:47:40 1996  Doug Evans  <dje@canuck.cygnus.com>
1241
1242         * config.in (WORDS_BIGENDIAN): Add.
1243         * configure: Regenerated.
1244         * d10v_sim.h: #include "config.h"
1245
1246 Sat Nov 23 09:34:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1247
1248         * gencode.c (write_opcodes): Eliminate warnings when generated
1249         table.c is compiled.
1250
1251 Wed Nov 20 19:41:40 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1252
1253         * interp.c (sim_open): Cast result of calloc, and make sure NULL
1254         was not returned.
1255         (dmem_addr): If address is illegal or in I/O space, signal a bus
1256         error.
1257         (pc_addr): Signal bus error, not illegal instruction for bogus
1258         pc.
1259
1260 Wed Nov 20 01:23:03 1996  Doug Evans  <dje@canuck.cygnus.com>
1261
1262         * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
1263         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
1264         * configure.in: Simplify using macros in ../common/aclocal.m4.
1265         Call AC_CHECK_HEADERS(unistd.h).
1266         * configure: Regenerated.
1267         * config.in: New file.
1268         * interp.c: #include "callback.h".
1269         * simops.c: #include "config.h".  #include <unistd.h> if present.
1270
1271 Fri Nov  8 16:19:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1272
1273         * d10v-sim.h (simops): Add flag is_long.
1274         (State): Add pc_changed.  Instructions which update the PC should
1275         use the JMP macro which sets this.
1276         (JMP): New macro.  Sets the PC and the pc_changed flag.
1277
1278         * gencode.c (write_opcodes): Add is_long field.
1279
1280         * interp.c (lookup_hash): If we blindly apply a short opcode's mask
1281         to a long opcode we could get a false match.  Check the opcode size.
1282         (hash): Add a size field to the hash table.
1283         (sim_open): Initialize size field in hash table.
1284         (sim_resume): Change to logic for setting the PC.  Used to increment the
1285         PC if it had not been changed.  This didn't allow single-instruction loops.
1286         Now checks the flag State.pc_changed.  Also now stops when ^C is received.
1287         (dmem_addr): Fix translation of data segments to unified memory.
1288         (sim_ctrl_c): New function.  When ^C is received, set stop_simulator flag.
1289
1290         * simops.c: Changed all branch and jump instructions to use new JMP macro.
1291         (OP_20000000): Corrected trace information to show this is a ldi.l, not
1292         a ldi.s instruction.
1293
1294 Thu Oct 31 19:13:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1295
1296         * interp.c (sim_fetch_register, sim_store_register): Fix bug where
1297         updating the accumulators was overwriting other parts of the global
1298         State variable.
1299
1300 Wed Oct 30 17:35:14 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1301
1302         * interp.c (bfd.h) Don't include it here any more.
1303         (text{,_start,_end}): Move here from simops.c and make extern.
1304         (decode_pc): New function to return the PC as an address that the
1305         debugger can use.
1306         (dmem_addr): Print decoded PC in error message.
1307         (pc_addr): Ditto.
1308
1309         * simops.c (bfd.h) Don't include it here any more.
1310         (text{,_start,_end}): Move to simops.c.
1311         (trace_input_func): Move decoding of PC, and looking up .text
1312         start to decode_pc.
1313
1314         * d10v_sim.h (bfd.h): Include it here.
1315         (text{,_start,_end}): Add external declarations.
1316         (exec_bfd): Ditto.
1317         (decode_pc): Ditto.
1318
1319 Tue Oct 29 12:13:52 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1320
1321         * interp.c (sim_size): Now allocates unified memory for imap segments
1322         0,1,2, and 127. Initializes imap0 and imap1 to 0x1000.  Initializes dmap to 0.
1323         (sim_write): Just call xfer_mem().
1324         (sim_read): Just call xfer_mem().
1325         (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
1326         (dmem_addr): New function. Reads dmap register and translates data
1327         addresses to local addresses.
1328         (pc_addr): New function. Reads imap register and computes local address
1329         corresponding to contents of the PC.
1330         (sim_resume): Change to use pc_addr().
1331         (sim_create_inferior): Change reinitialization code. Also reinitializes
1332         imap[01] and dmap.
1333         (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1334         (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
1335
1336         * simops.c (MEMPTR): Redefine to use dmem_addr().
1337         (OP_5F00): Replace references to STate.imem with dmem_addr().
1338
1339         * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
1340         (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
1341         (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
1342
1343 Tue Oct 22 15:22:33 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1344
1345         * d10v_sim.h (_ins_type): Reorganize, so that we can provide
1346         better statistics, like not counting NOPS as parallel
1347         instructions, and printing total cycles.
1348         (ins_type_counters): Make unsigned long.
1349         (left_nops,right_nops): Fold into ins_type_counters.
1350
1351         * simops.c (trace_input_func): Print new instruction types.
1352         Handle OP_R2R3 as input types.
1353         (OP_{38000000,7000}): Correctly sign extend bytes.
1354         (OP_5E00): Don't count NOPs as parallel instructions.
1355         (OP_460B): Remove unused variable.
1356         (OP_5F00): Ditto.
1357
1358         * interp.c (ins_type_counters): Make unsigned long.
1359         (left_nops,right_nops): Delete.
1360         (most functions): Add prototypes.
1361         (INLINE): If GCC and optimize define as __inline__.
1362         ({,lookup_}hash,get_operands): Declare as INLINE.
1363         (do_parallel): Count conditional operations.
1364         (add_commas): New function, to add commas every 3 digits.
1365         (sim_size): Call add_commas to print numbers.
1366         (sim_{open,resume}): Delete unused variables.
1367         (sim_info): Provide better statistics.
1368         (sim_read): Add int return type.
1369
1370 Mon Oct 21 16:16:26 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1371
1372         * interp.c (sim_resume): Change the way single-stepping and exceptions
1373         are handled so single-stepping works again.
1374
1375 Thu Oct 17 12:24:16 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1376
1377         * endian.c: Optimize simulated loads/stores on x86, AIX, and big
1378         endian hosts.
1379
1380         * configure.in (--enable-sim-bswap): New switch to enable using
1381         the BSWAP instruction on x86's.
1382         * configure: Regenerate.
1383
1384         * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
1385         support.
1386
1387 Wed Oct 16 13:50:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1388
1389         * endian.c: New file.  Move endian functions here from interp.c.
1390         Optimize code, and make it work as either inline functions or as a
1391         separate file.
1392
1393         * interp.c: Move endian functions from here to endian.c.
1394
1395         * Makefile.in (INCLUDE): Add endian.c.
1396         (run,libsim.a): Add dependency on endian.o.
1397         (endian.o): Add dependency.
1398
1399         * d10v_sim.h (read/write support): Always go through the machine
1400         independent endian functions.  If compiling with GCC and
1401         optimizing, include endian.c so the endian functions are inlined.
1402
1403         * simops.c (OP_5F00): Correct tracing of accumulators.
1404
1405 Tue Oct 15 10:57:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1406
1407         * simops.c (OP_5F00): Add support for getpid, kill system calls.
1408
1409         * interp.c (do_{2_short,parallel}): If an exception is raised,
1410         don't execute the second instruction.
1411
1412 Sat Oct 12 22:17:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1413
1414         * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
1415         temporary in case the register is overriden when loading.
1416         (OP_6200): Output type is OP_DREG for tracing.
1417
1418 Fri Oct  4 23:46:18 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1419
1420         * d10v_sim.h (struct _state): Add mem_{min,max} fields.
1421
1422         * interp.c (sim_size): Initialize mem_{min,max} fields.
1423         (sim_write): Update mem_{min,max} fields.
1424         (sim_resume): If PC is not in the minimum/maximum memory range,
1425         abort.
1426         (sim_create_inferior): Preserve mem_{min,max} fields.
1427
1428 Fri Sep 27 13:11:58 1996  Mark Alexander  <marka@cygnus.com>
1429
1430         * simops.c (OP_5F00): Add support for time() system call.
1431
1432 Wed Sep 25 16:31:41 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1433
1434         * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
1435         stored if tracing.
1436         (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
1437         system calls.
1438
1439 Mon Sep 23 17:55:30 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1440
1441         * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
1442         (trace_input_func): Add support for  OP_{CONSTANT8,R2,R3}.
1443         (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
1444         to call/subroutine returns to trace the first two arguments and
1445         the return value.  For small jumps, use CONSTANT8, not CONSTANT16.
1446
1447 Fri Sep 20 15:36:45 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1448
1449         * interp.c (sim_create_inferior): Reinitialize State every time
1450         sim_create_inferior() is called.
1451
1452 Thu Sep 19 21:38:20 1996  Michael Meissner  <meissner@wogglebug.ziplink.net>
1453
1454         * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
1455         on comparisons.
1456         (OP_401): Fix tracing information.
1457
1458 Thu Sep 19 10:30:22 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1459
1460         * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
1461         (trace_input_func): Use them.
1462         (trace_input_func): Make sure there is a trailing space after the
1463         instruction.
1464         (OP_6200): Fix tracing info.
1465
1466         * Makefile.in (run): Add dependencies on libbfd.a and
1467         libiberity.a.
1468
1469 Wed Sep 18 09:13:25 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1470
1471         * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
1472         numbers and function names in debug trace.
1473         (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
1474         DEBUG_LINE_NUMBER.
1475         (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
1476         and exit system call trap being executed.
1477
1478         * interp.c (sim_stop_reason): Set exit code correctly for stop
1479         instruction and exit system call trap.
1480
1481         * configure.in (--enable-sim-cflags): Remove trace case.
1482         (--enable-sim-debug): New switch to set the debug values.
1483         * configure: Regenerate.
1484
1485         * simops.c (trace_{input,output}_func): Rename from
1486         trace_{input,output}.
1487         (trace_{input,output}): Call trace_{input,output}_func if
1488         d10v_debug is non-zero.
1489         (SIZE_INSTRUCTION): Cut down to 8.
1490         (SIZE_OPERANDS): Cut down to 18.
1491         (SIZE_LOCATION): New value for size of line number, function name
1492         field.
1493         (init_text_p,text{,_start,_end}): New static variables for
1494         printing line number and function name.
1495         (exec_bfd): New external that run.c sets.
1496         (trace_input_func): Print line number and function name if
1497         available and if desired.
1498         (OP_4E09): Don't print out DBT message.
1499         (OP_5FE0): Set exception field to SIG_D10V_STOP.
1500         (OP_5F00): Set exception field to SIG_D10V_EXIT.
1501
1502 Sat Sep 14 22:18:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1503
1504         * interp.c (do_2_short): If the instruction encodes jump->ins,
1505         don't do the second instruction if the jump succeeds.
1506
1507 Fri Sep 13 22:35:19 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1508
1509         * simops.c (OP_5F00): Use unknown traps to print all GPRs,
1510         accumulators, PC, and F0/F1/C flags.
1511
1512 Thu Sep 12 12:50:11 1996  Mark Alexander  <marka@cygnus.com>
1513
1514         * simops.c (OP_5F00): Fix problems with system calls.
1515
1516 Thu Sep 12 12:19:28 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1517
1518         * simops.c (OP_5F00): Correct tracing information for trap.
1519
1520 Wed Sep 11 18:55:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1521
1522         * Makefile.in (CSEARCH): Correctly find opcodes directory.
1523
1524 Mon Sep  9 13:27:26 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1525
1526         * simops.c (trace_output): Properly align accumulator output.
1527         (OP_3{0,2,4}00): Properly parenthesize test expression.  Add error
1528         if shift count is too high.
1529         (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
1530         (OP_4E09): Make cpfg properly trace the input flags.
1531         (op_types): Add OP_FLAG_OUTPUT.
1532         (trace_{input,output}): Support OP_FLAG_OUTPUT.
1533         (OP_31000000): This ld2w varient is a 16-bit memory reference, not
1534         an 8-bit memory reference instruction for tracing purposes.
1535         (OP_201): Addi needs to set the carry.
1536
1537 Fri Sep  6 17:56:17 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1538
1539         * simops.c (OP_2600, OP_2601): Changed min and max comparisons
1540         to use signed register values.
1541
1542 Wed Sep  4 11:35:17 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1543
1544         * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
1545         output.
1546         (_ins_type): New enumeration to specify which container an
1547         instruction is in, and whether it is part of a parallel operation.
1548         (_state): Add ins_type field.
1549         ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
1550         (ins_type_counters): Counters for the various instruction types.
1551         ({left,right}_nops): Counters for the number of nops in each
1552         container.
1553         (d10v_debug): New variable to indicate whether debugging is turned
1554         on.
1555
1556         * simops.c: (all functions): Change all #ifdef DEBUG code so that
1557         the input and output values can be traced, along with the
1558         instruction type.  Make the -t option enable tracing.
1559         (all functions): Change printf calls to use the printf_filtered
1560         function in the callback table.
1561
1562         * interp.c (_leftright): New enumeration to say whether 2 short
1563         instructions are done left first or right first.
1564         (do_{long,2_short,parallel}): Indicate in the machine state which
1565         type of instruction this is.  Count each of the types of
1566         instructions executed.
1567         (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
1568         flag is set.
1569         (sim_resume): Pass left/right indication to do_2_short.
1570         (all functions): Change printf calls to use the printf_filtered
1571         function in the callback table.
1572         (sim_trace): Turn on debug flag if DEBUG was defined, and call
1573         sim_resume.
1574         (sim_info): Print out statistics on instructions.
1575         (sim_{trace,create_inferior}): Eliminate extraneous output unless
1576         debugging.
1577         (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
1578         Only initialize the hash table the first time sim_open is called.
1579
1580         * Makefile.in: Make objects depend on d10v_sim.h.
1581         ({,SIM_}CFLAGS): Include configure dependent switches.  Setting
1582         CFLAGS does not override host/target defines or SIM_CFLAGS.
1583         (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
1584         (run): By default, the math library is not needed to be linked
1585         in.
1586         ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
1587         overridden.
1588         (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
1589         makes.
1590         ({run,callback}.o): Provide explicit paths to their appropriate
1591         source directories.
1592         (gencode{,.o},d10v-opc.o): Split compilation into creating object
1593         and linking.  Instead of linking in libopcodes.a, just compile
1594         d10v-opc.o directly to handle canadian cross.
1595         (CSEARCH): Add opcodes directory.
1596
1597         * configure.in (--enable-sim-cflags): New switch to allow user to
1598         set the defaults.
1599         (CC_FOR_BUILD): Deal with canadian crosses.
1600         * configure: Regenerate.
1601
1602 Wed Sep 04 04:45:34 1996  Mark Alexander  <marka@cygnus.com>
1603
1604         * simops.c: Include correct syscall.h for d10v, not host's.
1605         Fix #ifdef SYS_stat.
1606
1607 Tue Sep  3 14:00:04 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1608
1609         * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1610         Add trap 2 to be printf and trap 3 to be putchar.
1611
1612 Wed Aug 28 21:42:34 1996  Mark Alexander  <marka@cygnus.com>
1613
1614         * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1615         for low-level system calls.
1616
1617 Wed Aug 28 17:33:19 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1618
1619         * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1620
1621 Mon Aug 26 18:30:28 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1622
1623         * d10v_sim.h (SEXT32): Added.
1624         * interp.c: Commented out printfs.
1625         * simops.c:  Fixed error in sb and st2w.
1626
1627 Thu Aug 15 13:30:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1628
1629         * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1630         DSP instructions.  Added modulo addressing.
1631
1632 Sun Aug 11 12:57:15 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1633
1634         * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1635
1636 Fri Aug  2 17:44:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1637
1638         * d10v_sim.h, simops.c: Snapshot.
1639
1640 Thu Aug  1 17:05:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1641
1642         * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1643         gencode.c, interp.c, simops.c: Created.
1644