sim/v850/ChangeLog

   1 Tue Sep 16 09:02:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * Makefile.in (semantics.o): Add dependency.
   4
   5         * sim-main.h (SAVE_1, SAVE_2): Perform backward compatible save,
   6         do not adjust CIA/NIA.
   7
   8 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   9
  10 start-sanitize-v850eq
  11         * simops.c (OP_300, OP_400, OP_70): Make behavour depend on PSW[US].
  12
  13         * simops.c: Move "divun", "sld.bu", "divhn", "divhun", "divn",
  14         "divun", "pushml" code from here to v850.igen.
  15         (divun): Make global.
  16         (type3_regs): Make global
  17
  18         * v850.igen: Move simops.c code to here.
  19
  20         * interp.c (sim_create_inferior): For v850eq set US bit by
  21         default.
  22
  23 end-sanitize-v850eq
  24 start-sanitize-v850e
  25         * interp.c (sim_open): Don't set arch, now set by
  26         sim_analyze_program.
  27
  28 end-sanitize-v850e
  29         * configure: Regenerated to track ../common/aclocal.m4 changes.
  30
  31 Mon Sep 15 14:39:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  32
  33         * simops.c (op_types): Move from here.
  34         sim-main.h: To here.
  35
  36         * sim-main.h (trace_input, trace_output), simops.c: Make global.
  37
  38         * simops.c (OP_60): Move "jmp" code from here.
  39         * v850.igen (jmp): To here.
  40
  41 start-sanitize-v850eq
  42         * simops.c (OP_60): Move "sld.bu" code from here.
  43         * v850.igen (sld.bu): To here.
  44
  45 end-sanitize-v850eq
  46 Fri Sep 12 15:11:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  47
  48 start-sanitize-v850eq
  49         * v850.igen (prepare, ...): Add to v850eq architecture.
  50
  51 end-sanitize-v850eq
  52 start-sanitize-v850e
  53         * interp.c (sim_open): Default to v850eq.
  54
  55 end-sanitize-v850e
  56 start-sanitize-v850eq
  57
  58         * interp.c (sim_open): Default to v850e.
  59 end-sanitize-v850eq
  60         * sim-main.h (signal.h): Include.
  61
  62         * v850.igen (illegal): Report/halt illegal instructions.
  63
  64         * Makefile.in (SIM_EXTRA_CFLAGS): Add SIM_RESERVED_BITS.
  65
  66         * configure.in: Add reserved bits option.
  67         * configure: Regenerate.
  68
  69 Thu Sep 11 08:40:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  70
  71         * interp.c (sim_open): Use sim_do_commandf instead of asprintf.
  72
  73         * sim-main.h (INSN_NAME):
  74
  75         * Makefile.in (INCLUDE): Add SIM_EXTRA_DEPS.
  76         (SIM_EXTRA_DEPS): Add itable.h
  77         (tmp-gencode): Does not depend on simops.h
  78
  79         * sim-main.h (itable.h): Include.
  80         (MAX_INSNS, INSN_NAME): Define.
  81
  82         * interp.c: Compute inttype from the interrupt_names index that
  83         was passed in.
  84
  85 Wed Sep 10 10:25:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  86
  87         * simops.c (trace_input): Use trace_printf instead of
  88         sim_io_printf.
  89         (trace_output): Ditto.
  90         (trace_input): Only trace when TRACE_ALU_P.  Delete code
  91         disasembling instruction.
  92         (trace_output): Only trace when TRACE_ALU_P.
  93
  94 Tue Sep  9 01:29:50 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  95
  96         * simops.c (trace_input, trace_output): Use sim_io_printf.
  97         (OP_620): Pass correct argument to trace.
  98         (OP_E607E0): Ditto.
  99         (trace_input): Obtain prog_bfd, text_start et.al from simulator
 100         struct.
 101
 102 Mon Sep  8 21:03:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 103
 104         * v850.igen: New file.
 105         * v850-dc: New file.
 106
 107 Mon Sep  8 18:33:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 108
 109
 110         * sim-main.h (SEXT16): Delete, use EXTEND16.
 111         (SEXT8): Delete, use EXTEND8.
 112         (SEXT32): Delete, used?
 113         (SEXT40, SEXT44, SEXT64): Use UNSIGNED64 for constants, not ...LL.
 114         (WITH_TARGET_WORD_MSB): Define as 31. v850 little bit endian.
 115
 116         * simops.c: Use EXTEND15 from sim-bits instead of SEXT16.
 117
 118         * sim-main.h (DEBUG_TRACE, DEBUG_VALUES, v850_debug): Delete,
 119         replace with TRACE_INSN_P and TRACE_ALU_P.
 120
 121         * simops.c (trace_input, trace_output): Update.
 122
 123         * interp.c (sim_engine_run): Delete.
 124         (lookup_hash): Delete.
 125         (sim_open): Do not fill hash table.
 126         (sim_trace): Delete.
 127
 128 Fri Sep  5 17:04:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 129
 130         * simops.c (OP_FFFF): Use sim_engine_halt.
 131         (OP_12007E0): Ditto.
 132         (OP_10007E0): Ditto.
 133
 134         * sim-main.h (struct sim_cpu): Delete member exception. Using
 135         sim-engine et.al.
 136
 137         * interp.c (sim_info): Do not do anything in sim-info.
 138         (sim_stop): Delete, replace with sim-stop.
 139         (sim_stop_reason): Delete, replace with sim-reason.
 140
 141         * sim-main.h (WITH_WATCHPOINTS): Define.
 142         (WITH_MODULO_MEMORY): Define
 143
 144         * Makefile.in (SIM_OBJS): Add sim-resume, sim-watch, sim-stop,
 145         sim-reason.
 146
 147         * interp.c (enum interrupt_cond_type): Delete.
 148         (struct interrupt_generator): Delete.
 149         (enum interrupt_type): Drop int_none.
 150         (sim_open): Initialize WATCHPOINT module.
 151         (sim_resume, sim_run): Rename sim_resume to sim_run.
 152         (sim_engine_run): Replace interrupt code with call to sim-events.
 153         (sim_set_interrupt): Delete.
 154         (sim_parse_number): Delete.
 155
 156 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 157
 158         * configure: Regenerated to track ../common/aclocal.m4 changes.
 159
 160 Thu Sep  4 18:11:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 161
 162         * simops.c (fetch_argv): New function, fetch a arg vector from
 163         simulator memory.
 164
 165         * configure.in: Check for fork, execve, execv.
 166         * configure: Regenerate.
 167
 168         * interp.c (sim_store_register, sim_fetch_register): Use H2T_4 and
 169         T2H_4 for byte swapping.
 170
 171         * sim-main.h, interp.c (get_word, get_half, get_byte, put_word,
 172         put_half, put_byte): Delete.
 173
 174         * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
 175
 176         * sim-main.h (load_mem, store_mem): Redefine as macros.
 177         (IMEM, IMEM_IMMED): New macros - fetch instructions.
 178
 179         * simops.c (OP_10007E0): For SYS_read, SYS_write, SYS_open
 180         transfer data via a buffer.
 181         (fetch_str): New function, fetch string from memory.
 182
 183         * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
 184
 185         * interp.c (sim_open): Establish memory maps using sim-memopt.c
 186         via sim_do_command.
 187         (sim_do_command): Print error if memory-map command is used. Call
 188         sim_args_command.
 189         (map): Delete, replaced by sim-core.
 190         (sim_memory_init): Delete, replaced by sim-core.
 191         (sim_set_memory_map): Delete, replaced by sim-memopt.
 192         (load_mem): Delete, replaced by sim-core.
 193         (store_mem): Delete, replaced by sim-core.
 194         (sim_write): Delete, replaced by sim-hrw.
 195         (sim_read): Delete, replaced by sim-hrw.
 196
 197         * sim-main.h (struct sim_state): Remove memory members, using
 198         sim-core.c
 199
 200 Wed Sep  3 10:18:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 201
 202         * sim-main.h: Replace SIM_HAVE_FLATMEM with mem ptr.
 203         * interp.c (map): Do not add to a void pointer.
 204
 205         * Makefile.in (INCLUDE): Add sim-main.h
 206
 207         * configure.in: Check for time.h
 208         * configure: Re-generate.
 209
 210         * interp.c (struct interrupt_generator): Make time unsigned long,
 211         address SIM_ADDR.
 212         (sim_resume): Make oldpc SIM_ADDR.
 213         (struct hash_entry): Make mask/opcode unsigned.
 214
 215         * v850_sim.h (struct simops ): Make opcode and mask unsigned.
 216
 217         * simops.c (utime.h): Include if available.
 218         (OP_10007E0): Check for UTIME function.
 219         (divun): Put parentheses around shift argument.
 220         (OP_640): Put parentheses around shift argument, was wrong.
 221         (OP_107F0): Return something.
 222
 223         * interp.c (sim_parse_number): Use strtoul not strtol.
 224         (sim_resume): Use sim_elapsed_time_get to keep track of the time.
 225
 226         * configure.in (SIM_AC_OPTION_WARNINGS): Add.
 227         (SIM_AC_OPTION_ENDIAN): Set to hardwired big.
 228         (SIM_AC_OPTION_HOST_ENDIAN): Add.
 229         (AC_CHECK_FUNCS): Add utime.
 230         (AC_CHECK_HEADERS): Add stdlib.h, string.h, strings.h, utime.h
 231         configure: Regenerate.
 232
 233
 234         * Makefile.in (SIM_RUN_OBJS): Use nrun.o.
 235         (SIM_OBJS): Add sim-io.o, sim-hload.o, sim-utils.o, sim-options.o,
 236         sim-config.o, sim-module.o, sim-events.o, sim-core.o,
 237         sim-endian.o, sim-engine.o, sim-trace.o, sim-profile.o
 238         (SIM_ENDIAN, SIM_WARNGINS): Define.
 239
 240         * simops.c (OP_10007E0): Use sim_io_* for transfers.
 241
 242         * interp.c (sim_resume): Pass sd around.
 243
 244         * simops.c (sim-main.h): Include.
 245
 246         * gencode.c (write_template): Generate #include sim-main.h.
 247         (write_opcodes): Ditto.
 248
 249         * interp.c (prog_bfd, prog_bfd_was_opened_p): Delete.
 250         (v850_callback): Ditto.
 251         (sim_kind, myname): Ditto.
 252         (lookup_hash): Pass SD. Use sim_io_error.
 253         (sim_set_memory_map): Pass in SD, use.
 254         (init_system): Pass in SD, use.
 255         (sim_open): Update.
 256         (sim_set_profile): Delete.
 257         (sim_set_profile_size): Delete.
 258         (do_interrupt): Pass in SD, use.
 259         (sim_info): Use sim_io_printf.
 260         (sim_create_inferior): Reset registers.  Set PC from prog_bfd
 261         argument.
 262         (sim_load): Delete, use common/sim-hload.c
 263         (sim_size): Rename to sim_memory_init.
 264         (sim_write): Remove call to init_system.
 265         (init_system): Delete.
 266         (sim_set_callbacks): Delete.
 267         (sim_set_interrupt): Pass in SD, use.
 268         (start_time): Delete.
 269
 270         * v850_sim.h: Remove everything except `struct simops' from here.
 271         * sim-main.h: Move most to here.
 272         * gencode.c: Move #includes to here.
 273
 274         * sim-main.h(struct _sim_cpu): Rename struct _state.
 275         (#define PC, et.al.): Update
 276         (v850_callback): Delete.  Replaced with SIM_DESC arg.
 277         (int8, uint8, int16, uint16, int32, uint32): Define types using
 278         unsigned8 et.al from common/sim-types.h.
 279         * sim-main.h (State): Define as STATE_CPU.
 280
 281 Mon Sep  1 12:07:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 282
 283         * configure.in: Check for time, chmod.
 284         * configure: Regenerate.
 285         * simops.c (SYS_time, SYS_chmod): Use HAVE_TIME, HAVE_CHMOD.
 286
 287         * simops.c (../../libgloss/v850/sys/syscall.h): Include instead of
 288         sys/syscall.h.
 289         (OP_10007E0): Check the existance each SYS_* macro independantly.
 290
 291         * v850_sim.h (SIGQUIT, SIGTRAP): Only define if missing.
 292
 293 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 294
 295         * configure: Regenerated to track ../common/aclocal.m4 changes.
 296         * config.in: Ditto.
 297
 298 Tue Aug 26 10:42:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 299
 300         * interp.c (sim_kill): Delete.
 301         (sim_create_inferior): Add ABFD argument.
 302         (sim_load): Move setting of PC from here.
 303         (sim_create_inferior): To here.
 304
 305 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 306
 307         * configure: Regenerated to track ../common/aclocal.m4 changes.
 308         * config.in: Ditto.
 309
 310 Mon Aug 25 11:31:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 311
 312         * interp.c (sim_open): Add ABFD argument.
 313
 314 start-sanitize-v850e
 315 Fri Aug 22 10:39:28 1997  Nick Clifton  <nickc@cygnus.com>
 316
 317         * simops.c (bsh): Only set CY flag if either of the bottom
 318         bytes is zero.
 319
 320         * simops.c (prepare, dispose): Lower numbered
 321         registers go to higher numbered address.
 322
 323         * simops.c (unsigned divide instructions): S bit set if result has
 324         top bit set.
 325
 326 start-sanitize-v850eq
 327         * simops.c (pushml, pushmh, popml, popmh): Lower numbered
 328         registers go to higher numbered address.
 329 end-sanitize-v850eq
 330 end-sanitize-v850e
 331
 332 Wed Aug 20 13:56:35 1997  Nick Clifton  <nickc@cygnus.com>
 333
 334         * simops.c (OP_107E0, OP_107F0, OP_307E0, OP_307F0): Use correct
 335         interpretation of SR bit in list18 structure.
 336 start-sanitize-v850eq
 337         (divn, divun): New functions to perform N step divide functions.
 338 end-sanitize-v850eq
 339
 340 start-sanitize-v850eq
 341 Mon Aug 18 10:59:02 1997  Nick Clifton  <nickc@cygnus.com>
 342
 343         * simops.c (OP_300, OP_400, OP_60, OP_70): Support variant opcodes
 344         with US bit set in the PSW.
 345 start-sanitize-v850eq
 346
 347 Wed Aug 13 19:06:55 1997  Nick Clifton  <nickc@cygnus.com>
 348
 349         * interp.c (sim_resume): Opcode functions return amount to be
 350         added to PC and all opcodes take a standard format in the OP[]
 351         array.
 352
 353         (do_format_*): Functions removed.
 354
 355         * v850_sim.h (SP, EP): New register mnemonics.
 356
 357         * gencode.c (write_header): Functions prototypes return an
 358         integer.
 359
 360         * simops.c: Opcode functions return amount to be added to PC.
 361
 362 start-sanitize-v850e
 363         * v850_sim.h (CTPC, CTPSW, CTBP): New register mnemonics.
 364
 365         * simops.c: Add support for v850e instructions.
 366
 367         * .Sanitize (Do-first, Do-last): Add support for keep-v850e
 368         command line option.
 369
 370 end-sanitize-v850e
 371
 372 start-sanitize-v850eq
 373         * .Sanitize (Do-first, Do-last): Add support for keep-v850eq
 374         command line option.
 375
 376         * simops.c: Add support for v850eq instructions.
 377 end-sanitize-v850eq
 378
 379 Tue May 20 10:24:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 380
 381         * interp.c (sim_open): Add callback argument.
 382         (sim_set_callbacks): Delete SIM_DESC argument.
 383
 384 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 385
 386         * configure: Regenerated to track ../common/aclocal.m4 changes.
 387
 388 Wed Apr 23 17:20:16 1997  Doug Evans  <dje@canuck.cygnus.com>
 389
 390         * interp.c (prog_bfd_was_opened_p): New static local.
 391         (prog_bfd): New global variable.
 392         (sim_open): Undo patch to add -E support.
 393         (sim_close): Close prog_bfd if sim_load opened it.
 394         (sim_load): Record bfd of loaded file in prog_bfd.
 395         * simops.c (prog_bfd): Renamed from exec_bfd.
 396
 397 Fri Apr 18 14:17:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 398
 399         * interp.c (sim_stop): Stub function.
 400
 401 Thu Apr 17 03:53:18 1997  Doug Evans  <dje@canuck.cygnus.com>
 402
 403         * Makefile.in (SIM_OBJS): Add sim-load.o.
 404         * interp.c (sim_kind, myname): New static locals.
 405         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 406         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
 407         load file into simulator.  Set start address from bfd.
 408         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 409
 410 Wed Apr 16 19:53:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 411
 412         * simops.c (OP_10007E0): Only provide system calls SYS_execv,
 413         SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
 414
 415 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 416
 417         * configure: Regenerated to track ../common/aclocal.m4 changes.
 418         * config.in: Ditto.
 419
 420 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 421
 422         * interp.c (sim_open): New arg `kind'.
 423
 424         * configure: Regenerated to track ../common/aclocal.m4 changes.
 425
 426 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 427
 428         * configure: Regenerated to track ../common/aclocal.m4 changes.
 429
 430 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 431
 432         * configure: Regenerated to track ../common/aclocal.m4 changes.
 433
 434 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 435
 436         * configure: Re-generate.
 437
 438 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 439
 440         * configure: Regenerate to track ../common/aclocal.m4 changes.
 441
 442 Thu Mar 13 13:00:54 1997  Doug Evans  <dje@canuck.cygnus.com>
 443
 444         * interp.c (sim_open): New SIM_DESC result.  Argument is now
 445         in argv form.
 446         (other sim_*): New SIM_DESC argument.
 447
 448 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 449
 450         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 451         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 452         * configure.in: sinclude ../common/aclocal.m4.
 453         * configure: Regenerated.
 454
 455 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 456
 457         * configure configure.in Makefile.in:  Update to new configure
 458         scheme which is more compatible with WinGDB builds.
 459         * configure.in:  Improve comment on how to run autoconf.
 460         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 461         * Makefile.in:  Use autoconf substitution to install common
 462         makefile fragment.
 463
 464 Mon Jan 20 16:05:34 1997  Michael Meissner  <meissner@tiktok.cygnus.com>
 465
 466         * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
 467         not zero extend.
 468
 469 Tue Jan 14 17:06:03 1997  Stu Grossman  (grossman@critters.cygnus.com)
 470
 471         * simops.c:  Put ifdefs around things to make MSVC happy.  Get rid
 472         of unistd.h.  Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
 473         SYS_gettimeofday and SYS_utime from MSVC.
 474
 475 Tue Dec 31 18:11:13 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 476
 477         * simops.c (OP_10007E0): Know that kill encodes the signal number
 478         via: 0xdead0000 | signal and turn it back into a signal.
 479
 480 Fri Dec 27 14:44:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 481
 482         * v850_sim.h (SIG_V850_EXIT): Define as -1.
 483
 484         * interp.c (sim_open): Cast calloc function.
 485         (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
 486         program exited with the appropriate exit code.
 487         (sim_set_interrupt): Declare buildargv.
 488
 489         * simops.c (OP_10007E0): Make exit signal normal exit.  Make time
 490         type correct and work on big endian systems.
 491
 492 Wed Nov 20 02:18:44 1996  Doug Evans  <dje@canuck.cygnus.com>
 493
 494         * Makefile.in: Delete stuff moved to ../common/Make-common.in.
 495         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
 496         * configure.in: Simplify using macros in ../common/aclocal.m4.
 497         Call AC_CHECK_HEADERS(unistd.h).
 498         * configure: Regenerated.
 499         * config.in: New file.
 500         * simops.c: #include "config.h".  #include <unistd.h> if present.
 501
 502 Sun Nov  3 23:02:54 1996  Stan Shebs  <shebs@andros.cygnus.com>
 503
 504         * v850_sim.h (State): New slots dummy_mem, pending_nmi.
 505         (EIPC, etc): New macros for system registers.
 506         * simops.c, interp.c: Use everywhere.
 507
 508         * interp.c: Add support for interrupts issued by interrupt
 509         generators, either PC- or time-based.  Controlled by simulator
 510         command "sim interrupt".
 511
 512         * interp.c: Add support for variable-size allocation of memory,
 513         via simulator command "sim memory-map".
 514         (map): Issue SIGSEGV for references to invalid memory regions.
 515
 516 Thu Oct 31 14:44:10 1996  Gavin Koch  <gavin@cygnus.com>
 517
 518         * simops.c: Include <sys/time.h> for struct timeval and
 519         struct timezone.
 520
 521 Wed Oct 30 08:49:10 1996  Jeffrey A Law  (law@cygnus.com)
 522
 523         * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
 524
 525         * simops.c (OP_10007E0): Handle SYS_time.
 526
 527 Tue Oct 29 14:22:55 1996  Jeffrey A Law  (law@cygnus.com)
 528
 529         * simops.c: Include <sys/stat.h>.
 530         (OP_10007E0): Handle SYS_stat.
 531
 532 Thu Oct 24 12:26:35 1996  Jeffrey A Law  (law@cygnus.com)
 533
 534         * simops.c (OP_10007E0): Don't declare errno.
 535
 536         * simops.c (OP_500): Mask off low bit in displacement
 537         for sld.w.
 538         (OP_501): Similarly.
 539
 540         * simops.c (OP_500): Fix displacement handling for sld.w.
 541         (OP_501): Similarly for sst.w.
 542
 543         * simops.c (trace_input): Remove all references to SEXT7.
 544         (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
 545         is zero extended for sst/sld instructions.
 546         * v850_sim.h (SEX7): Delete.  It's no longer needed (and it
 547         was incorrect anyway).
 548
 549 Thu Oct 24 10:33:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
 550
 551         * Makefile.in:  Get rid of srcroot.  Set all INSTALL macros via
 552         autoconf.
 553         * gencode.c (write_opcodes):  Pad operands field to account for
 554         MSVC braindamage.
 555         * simops.c:  Include errno.h.  Exclude SYS_chown, since MSVC
 556         doesn't support it.  (Why is this here in the first place?!?)
 557         * v850_sim.h:  Get rid of 64 bit defs.  Also, get rid of #elif's.
 558         Change number of operands in struct simops from 9 to 6.  Define
 559         SIGTRAP and SIGQUIT for MSVC.
 560
 561 Tue Oct 15 16:19:51 1996  Stu Grossman  (grossman@critters.cygnus.com)
 562
 563         * interp.c (MEM_SIZE):  It's now bytes, not a power of 2.
 564         * (map):  Add support for external mem in the 1->2 meg range.
 565         Also, abort() when memory access is way out of bounds.  (Better to
 566         die than to give wrong result.  (This will be fixed later.))
 567         * (sim_size):  MEM_SIZE is now bytes, not shift factor.
 568
 569 Tue Oct  1 15:53:24 1996  Gavin Koch <gavin@cygnus.com>
 570
 571         * simops.c (trace_input): Swapped order of operands for output
 572         output of OP_IMM_REG.  Changed the fetching of the operands for
 573         OP_LOAD32, and OP_STORE32 to work like op-function.
 574
 575 Mon Sep 30 15:46:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
 576
 577         * interp.c:  Move includes of remote-sim.h and callback.h to
 578         v850-sim.h.
 579         * (lookup_hash): Add PC to report of hash failure.
 580         * (map load_mem store_mem):  New memory subsystem.  Models V851
 581         memory system.
 582         * (sim_write sim_read):  Use new memory subsystem.
 583         * (sim_resume):  Don't load and save PC into EIPC anymore.  Needed
 584         to make user-defined traps work right.
 585         * simops.c (OP_*):  Use new memory subsystem.
 586         * (OP_14007E0 (reti)):  Implement reti.
 587         * (OP_14996E0 (trap)):  Implement user-defined traps.  Move I/O to
 588         trap 31.  Use new memory subsystem.
 589         * v850_sim.h:  Prototypes for load_mem, store_mem and map.  Use
 590         load_mem in RLW macro.
 591
 592 Fri Sep 27 18:34:09 1996  Stu Grossman  (grossman@critters.cygnus.com)
 593
 594         * gencode.c (write_opcodes):  Output hex values for opcode mask
 595         and patterns.
 596         * interp.c (sim_resume):  Save and restore PC from the appropriate
 597         register.
 598         * (sim_fetch_register sim_store_register):  Fix byte-order problem
 599         with reading and writing registers.
 600         * simops.c (OP_FFFF):  Implement pseudo-breakpoint insn.
 601
 602 Fri Sep 27 17:42:37 1996  Jeffrey A Law  (law@cygnus.com)
 603
 604         * simops.c (trace_input): Fix thinko.
 605
 606 Wed Sep 18 09:54:12 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 607
 608         * simops.c (exec_bfd): Rename from sim_bfd.
 609         (trace_input): Ditto.
 610
 611 Thu Sep 12 12:03:05 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 612
 613         * simops.c (trace_input): Use find_nearest_line to print line
 614         number, function name or file name of PC.
 615
 616 Wed Sep 11 16:44:37 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 617
 618         * simops.c: Add tracing support.  Use SEXTxx macros instead of
 619         doing hardwired shifts.
 620
 621         * configure.in (--enable-sim-cflags): Add switch to add additional
 622         flags to simulator buld.  If --enable-sim-cflags=trace, turn on
 623         tracing.
 624         * configure: Regenerate.
 625
 626         * Makefile.in: Don't require a VPATH capable make if configuring
 627         in the same directory.  Don't use CFLAGS for configuration flags.
 628         Add flags from --enable-sim-cflags.  Support canadian cross
 629         builds.  Rebuild whole simulator if include files change.
 630
 631         * interp.c (v850_debug): New global for debugging.
 632         (lookup_hash,sim_size,sim_set_profile): Use
 633         printf_filtered callback, instead of calling printf directly.
 634         (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
 635
 636         * v850_sim.h: Use limits.h to set the various sized types.
 637         (SEXT{5,7,16,22}): New macros.
 638
 639 Mon Sep  9 20:50:46 1996  Jeffrey A Law  (law@cygnus.com)
 640
 641         * interp.c (hash): Make this an inline function
 642         when compiling with GCC.  Simplify.
 643         * simpos.c: Explicitly include "sys/syscall.h".  Remove
 644         some #if 0'd code.  Enable more emulated syscalls.
 645
 646 Wed Sep  4 01:48:55 1996  Jeffrey A Law  (law@cygnus.com)
 647
 648         * interp.c: Fix sign bit handling for add and sub instructions.
 649
 650 Tue Sep  3 10:20:30 1996  Jeffrey A Law  (law@cygnus.com)
 651
 652         * gencode.c: Fix various indention & style problems.
 653         Remove test code.  Remove #if 0 code.
 654         * interp.c: Provide prototypes for all static functions.
 655         Fix minor indention problems.
 656         (sim_open, sim_resume): Remove unused variables.
 657         (sim_read): Return type is "int".
 658         * simops.c: Remove unused variables.
 659         (divh): Make result of divide-by-zero zero.
 660         (setf): Initialize result to keep compiler quiet.
 661         (sar instructions): These just clear the overflow bit.
 662         * v850_sim.h: Provide prototypes for put_byte, put_half
 663         and put_word.
 664
 665         * interp.c: OP should be an array of 32bit operands!
 666         (v850_callback): Declare.
 667         (do_format_5): Fix extraction of OP[0].
 668         (sim_size): Remove debugging printf.
 669         (sim_set_callbacks): Do something useful.
 670         (sim_stop_reason): Gross hacks to get c-torture running.
 671         * simops.c: Simplify code for computing targets of bCC
 672         insns.   Invert 's' bit if 'ov' bit is set for some
 673         instructions.  Fix 'cy' bit handling for numerous
 674         instructions.  Make the simulator stop when a halt
 675         instruction is encountered.  Very crude support for
 676         emulated syscalls (trap 0).
 677         * v850_sim.h: Include "callback.h" and declare
 678         v850_callback.  Items in the operand array are 32bits.
 679
 680 Sun Sep  1 22:35:35 1996  Jeffrey A Law  (law@cygnus.com)
 681
 682         * interp.c (sim_resume): Fix code to check for a format 3
 683         opcode.
 684         * simops.c: bCC insns only argument is a constant, not a
 685         register value (duh...)
 686
 687 Fri Aug 30 10:33:49 1996  Jeffrey A Law  (law@cygnus.com)
 688
 689         * simops.c: Fix "not1" and "set1".
 690
 691         * simops.c: Don't forget to initialize temp for
 692         "ld.h" and "ld.w"
 693
 694         * interp.c: Remove various debugging printfs.
 695
 696         * simops.c: Fix satadd, satsub boundary case handling.
 697
 698         * interp.c (hash): Fix.
 699         * interp.c (do_format_8): Get operands correctly and
 700         call the target function.
 701         * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
 702
 703 Thu Aug 29 13:53:29 1996  Jeffrey A Law  (law@cygnus.com)
 704
 705         * interp.c (do_format_4): Get operands correctly and
 706         call the target function.
 707         * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
 708         "sst.h", and "sst.w".
 709
 710         * v850_sim.h: The V850 doesn't have split I&D spaces.  Change
 711         accordingly.  Remove many unused definitions.
 712         * interp.c: The V850 doesn't have split I&D spaces.  Change
 713         accordingly.
 714         (get_longlong, get_longword, get_word): Deleted.
 715         (write_longlong, write_longword, write_word): Deleted.
 716         (get_operands): Deleted.
 717         (get_byte, get_half, get_word): New functions.
 718         (put_byte, put_half, put_word): New functions.
 719         * simops.c: Remove unused functions.  Rough cut at
 720         "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
 721
 722         * v850_sim.h (struct _state): Remove "psw" field.  Add
 723         "sregs" field.
 724         (PSW): Remove bogus definition.
 725         * simops.c: Change condition code handling to use the psw
 726         register within the sregs array.  Handle "ldsr" and "stsr".
 727
 728         * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
 729
 730         * interp.c (do_format_5): Get operands correctly and
 731         call the target function.
 732         (sim_resume): Don't do a PC update for format 5 instructions.
 733         * simops.c: Handle "jarl" and "jmp" instructions.
 734
 735         * simops.c: Fix minor typos.  Handle "cmp", "setf", "tst"
 736         "di", and "ei" instructions correctly.
 737
 738         * interp.c (do_format_3): Get operands correctly and call
 739         the target function.
 740         * simops.c: Handle bCC instructions.
 741
 742         * simops.c: Add condition code handling to shift insns.
 743         Fix minor typos in condition code handling for other insns.
 744
 745         * Makefile.in: Fix typo.
 746         * simops.c: Add condition code handling to "sub" "subr" and
 747         "divh" instructions.
 748
 749         * interp.c (hash): Update to be more accurate.
 750         (lookup_hash): Call hash rather than computing the hash
 751         code here.
 752         (do_format_1_2): Handle format 1 and format 2 instructions.
 753         Get operands correctly and call the target function.
 754         (do_format_6): Get operands correctly and call the target
 755         function.
 756         (do_formats_9_10): Rough cut so shift ops will work.
 757         (sim_resume): Tweak to deal with format 1 and format 2
 758         handling in a single funtion.  Don't update the PC
 759         for format 3 insns.  Fix typos.
 760         * simops.c: Slightly reorganize.  Add condition code handling
 761         to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
 762         and "not" instructions.
 763         * v850_sim.h (reg_t): Registers are 32bits.
 764         (_state): The V850 has 32 general registers.  Add a 32bit
 765         psw and pc register too.  Add accessor macros
 766
 767         * Makefile.in, interp.c, v850_sim.h: Bring over endianness
 768         changes from the d10v simulator.
 769
 770         * simops.c: Add shift support.
 771
 772         * simops.c: Add multiply & divide support.  Abort for system
 773         instructions.
 774
 775         * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
 776         and subr.  No condition codes yet.
 777
 778 Wed Aug 28 13:53:22 1996  Jeffrey A Law  (law@cygnus.com)
 779
 780         * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
 781         gencode.c, interp.c, simops.c: Created.
 782