sim/v850/ChangeLog

   1 Tue Sep 16 15:14:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * simops.c (trace_pc, trace_name, trace_values, trace_num_values):
   4         New static globals.
   5         (trace_input): Just save pc, name and values for trace_output.
   6         (trace_output): Write trace values to a buffer.  Use
   7         trace_one_insn to print trace info and buffer.
   8         (SIZE_OPERANDS, SIZE_LOCATION): Delete.
   9
  10 Tue Sep 16 09:02:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  11
  12         * sim-main.h (struct _sim_cpu): Add psw_mask so that reserved bits
  13         can be masked out.
  14
  15         * simops.c (OP_2007E0, OP_4007E0): Move "ldsr", "stsr"
  16         instructions from here.
  17         * v850.igen (ldsr, stsr): To here.  Mask out reserved bits when
  18         setting PSW.
  19
  20         * interp.c (sim_open): Set psw_mask if machine known.
  21
  22 Tue Sep 16 10:20:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  23
  24 start-sanitize-v850e
  25         * v850-dc: Add rule to diferentiate between breakpoint and divh.
  26         * v850.igen (break): New instruction, breakpoint simulator.
  27
  28 end-sanitize-v850e
  29         * v850.igen (breakpoint): Enable.  Change to a 32bit instruction.
  30
  31 start-sanitize-v850e
  32 Mon Sep 15 18:44:05 1997  Jim Wilson  <wilson@cygnus.com>
  33
  34         * simops.c (Multiply64): Don't store into register zero.
  35
  36 start-sanitize-v850e
  37 Tue Sep 16 09:02:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  38
  39         * Makefile.in (semantics.o): Add dependency.
  40
  41         * sim-main.h (SAVE_1, SAVE_2): Perform backward compatible save,
  42         do not adjust CIA/NIA.
  43
  44 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  45
  46 start-sanitize-v850eq
  47         * simops.c (OP_300, OP_400, OP_70): Make behavour depend on PSW[US].
  48
  49         * simops.c: Move "divun", "sld.bu", "divhn", "divhun", "divn",
  50         "divun", "pushml" code from here to v850.igen.
  51         (divun): Make global.
  52         (type3_regs): Make global
  53
  54         * v850.igen: Move simops.c code to here.
  55
  56         * interp.c (sim_create_inferior): For v850eq set US bit by
  57         default.
  58
  59 end-sanitize-v850eq
  60 start-sanitize-v850e
  61         * interp.c (sim_open): Don't set arch, now set by
  62         sim_analyze_program.
  63
  64 end-sanitize-v850e
  65         * configure: Regenerated to track ../common/aclocal.m4 changes.
  66
  67 Mon Sep 15 14:39:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  68
  69         * simops.c (op_types): Move from here.
  70         sim-main.h: To here.
  71
  72         * sim-main.h (trace_input, trace_output), simops.c: Make global.
  73
  74         * simops.c (OP_60): Move "jmp" code from here.
  75         * v850.igen (jmp): To here.
  76
  77 start-sanitize-v850eq
  78         * simops.c (OP_60): Move "sld.bu" code from here.
  79         * v850.igen (sld.bu): To here.
  80
  81 end-sanitize-v850eq
  82 Fri Sep 12 15:11:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  83
  84 start-sanitize-v850eq
  85         * v850.igen (prepare, ...): Add to v850eq architecture.
  86
  87 end-sanitize-v850eq
  88 start-sanitize-v850e
  89         * interp.c (sim_open): Default to v850eq.
  90
  91 end-sanitize-v850e
  92 start-sanitize-v850eq
  93
  94         * interp.c (sim_open): Default to v850e.
  95 end-sanitize-v850eq
  96         * sim-main.h (signal.h): Include.
  97
  98         * v850.igen (illegal): Report/halt illegal instructions.
  99
 100         * Makefile.in (SIM_EXTRA_CFLAGS): Add SIM_RESERVED_BITS.
 101
 102         * configure.in: Add reserved bits option.
 103         * configure: Regenerate.
 104
 105 Thu Sep 11 08:40:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 106
 107         * interp.c (sim_open): Use sim_do_commandf instead of asprintf.
 108
 109         * sim-main.h (INSN_NAME):
 110
 111         * Makefile.in (INCLUDE): Add SIM_EXTRA_DEPS.
 112         (SIM_EXTRA_DEPS): Add itable.h
 113         (tmp-gencode): Does not depend on simops.h
 114
 115         * sim-main.h (itable.h): Include.
 116         (MAX_INSNS, INSN_NAME): Define.
 117
 118         * interp.c: Compute inttype from the interrupt_names index that
 119         was passed in.
 120
 121 Wed Sep 10 10:25:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 122
 123         * simops.c (trace_input): Use trace_printf instead of
 124         sim_io_printf.
 125         (trace_output): Ditto.
 126         (trace_input): Only trace when TRACE_ALU_P.  Delete code
 127         disasembling instruction.
 128         (trace_output): Only trace when TRACE_ALU_P.
 129
 130 Tue Sep  9 01:29:50 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 131
 132         * simops.c (trace_input, trace_output): Use sim_io_printf.
 133         (OP_620): Pass correct argument to trace.
 134         (OP_E607E0): Ditto.
 135         (trace_input): Obtain prog_bfd, text_start et.al from simulator
 136         struct.
 137
 138 Mon Sep  8 21:03:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 139
 140         * v850.igen: New file.
 141         * v850-dc: New file.
 142
 143 Mon Sep  8 18:33:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 144
 145
 146         * sim-main.h (SEXT16): Delete, use EXTEND16.
 147         (SEXT8): Delete, use EXTEND8.
 148         (SEXT32): Delete, used?
 149         (SEXT40, SEXT44, SEXT64): Use UNSIGNED64 for constants, not ...LL.
 150         (WITH_TARGET_WORD_MSB): Define as 31. v850 little bit endian.
 151
 152         * simops.c: Use EXTEND15 from sim-bits instead of SEXT16.
 153
 154         * sim-main.h (DEBUG_TRACE, DEBUG_VALUES, v850_debug): Delete,
 155         replace with TRACE_INSN_P and TRACE_ALU_P.
 156
 157         * simops.c (trace_input, trace_output): Update.
 158
 159         * interp.c (sim_engine_run): Delete.
 160         (lookup_hash): Delete.
 161         (sim_open): Do not fill hash table.
 162         (sim_trace): Delete.
 163
 164 Fri Sep  5 17:04:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 165
 166         * simops.c (OP_FFFF): Use sim_engine_halt.
 167         (OP_12007E0): Ditto.
 168         (OP_10007E0): Ditto.
 169
 170         * sim-main.h (struct sim_cpu): Delete member exception. Using
 171         sim-engine et.al.
 172
 173         * interp.c (sim_info): Do not do anything in sim-info.
 174         (sim_stop): Delete, replace with sim-stop.
 175         (sim_stop_reason): Delete, replace with sim-reason.
 176
 177         * sim-main.h (WITH_WATCHPOINTS): Define.
 178         (WITH_MODULO_MEMORY): Define
 179
 180         * Makefile.in (SIM_OBJS): Add sim-resume, sim-watch, sim-stop,
 181         sim-reason.
 182
 183         * interp.c (enum interrupt_cond_type): Delete.
 184         (struct interrupt_generator): Delete.
 185         (enum interrupt_type): Drop int_none.
 186         (sim_open): Initialize WATCHPOINT module.
 187         (sim_resume, sim_run): Rename sim_resume to sim_run.
 188         (sim_engine_run): Replace interrupt code with call to sim-events.
 189         (sim_set_interrupt): Delete.
 190         (sim_parse_number): Delete.
 191
 192 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 193
 194         * configure: Regenerated to track ../common/aclocal.m4 changes.
 195
 196 Thu Sep  4 18:11:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 197
 198         * simops.c (fetch_argv): New function, fetch a arg vector from
 199         simulator memory.
 200
 201         * configure.in: Check for fork, execve, execv.
 202         * configure: Regenerate.
 203
 204         * interp.c (sim_store_register, sim_fetch_register): Use H2T_4 and
 205         T2H_4 for byte swapping.
 206
 207         * sim-main.h, interp.c (get_word, get_half, get_byte, put_word,
 208         put_half, put_byte): Delete.
 209
 210         * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
 211
 212         * sim-main.h (load_mem, store_mem): Redefine as macros.
 213         (IMEM, IMEM_IMMED): New macros - fetch instructions.
 214
 215         * simops.c (OP_10007E0): For SYS_read, SYS_write, SYS_open
 216         transfer data via a buffer.
 217         (fetch_str): New function, fetch string from memory.
 218
 219         * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
 220
 221         * interp.c (sim_open): Establish memory maps using sim-memopt.c
 222         via sim_do_command.
 223         (sim_do_command): Print error if memory-map command is used. Call
 224         sim_args_command.
 225         (map): Delete, replaced by sim-core.
 226         (sim_memory_init): Delete, replaced by sim-core.
 227         (sim_set_memory_map): Delete, replaced by sim-memopt.
 228         (load_mem): Delete, replaced by sim-core.
 229         (store_mem): Delete, replaced by sim-core.
 230         (sim_write): Delete, replaced by sim-hrw.
 231         (sim_read): Delete, replaced by sim-hrw.
 232
 233         * sim-main.h (struct sim_state): Remove memory members, using
 234         sim-core.c
 235
 236 Wed Sep  3 10:18:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 237
 238         * sim-main.h: Replace SIM_HAVE_FLATMEM with mem ptr.
 239         * interp.c (map): Do not add to a void pointer.
 240
 241         * Makefile.in (INCLUDE): Add sim-main.h
 242
 243         * configure.in: Check for time.h
 244         * configure: Re-generate.
 245
 246         * interp.c (struct interrupt_generator): Make time unsigned long,
 247         address SIM_ADDR.
 248         (sim_resume): Make oldpc SIM_ADDR.
 249         (struct hash_entry): Make mask/opcode unsigned.
 250
 251         * v850_sim.h (struct simops ): Make opcode and mask unsigned.
 252
 253         * simops.c (utime.h): Include if available.
 254         (OP_10007E0): Check for UTIME function.
 255         (divun): Put parentheses around shift argument.
 256         (OP_640): Put parentheses around shift argument, was wrong.
 257         (OP_107F0): Return something.
 258
 259         * interp.c (sim_parse_number): Use strtoul not strtol.
 260         (sim_resume): Use sim_elapsed_time_get to keep track of the time.
 261
 262         * configure.in (SIM_AC_OPTION_WARNINGS): Add.
 263         (SIM_AC_OPTION_ENDIAN): Set to hardwired big.
 264         (SIM_AC_OPTION_HOST_ENDIAN): Add.
 265         (AC_CHECK_FUNCS): Add utime.
 266         (AC_CHECK_HEADERS): Add stdlib.h, string.h, strings.h, utime.h
 267         configure: Regenerate.
 268
 269
 270         * Makefile.in (SIM_RUN_OBJS): Use nrun.o.
 271         (SIM_OBJS): Add sim-io.o, sim-hload.o, sim-utils.o, sim-options.o,
 272         sim-config.o, sim-module.o, sim-events.o, sim-core.o,
 273         sim-endian.o, sim-engine.o, sim-trace.o, sim-profile.o
 274         (SIM_ENDIAN, SIM_WARNGINS): Define.
 275
 276         * simops.c (OP_10007E0): Use sim_io_* for transfers.
 277
 278         * interp.c (sim_resume): Pass sd around.
 279
 280         * simops.c (sim-main.h): Include.
 281
 282         * gencode.c (write_template): Generate #include sim-main.h.
 283         (write_opcodes): Ditto.
 284
 285         * interp.c (prog_bfd, prog_bfd_was_opened_p): Delete.
 286         (v850_callback): Ditto.
 287         (sim_kind, myname): Ditto.
 288         (lookup_hash): Pass SD. Use sim_io_error.
 289         (sim_set_memory_map): Pass in SD, use.
 290         (init_system): Pass in SD, use.
 291         (sim_open): Update.
 292         (sim_set_profile): Delete.
 293         (sim_set_profile_size): Delete.
 294         (do_interrupt): Pass in SD, use.
 295         (sim_info): Use sim_io_printf.
 296         (sim_create_inferior): Reset registers.  Set PC from prog_bfd
 297         argument.
 298         (sim_load): Delete, use common/sim-hload.c
 299         (sim_size): Rename to sim_memory_init.
 300         (sim_write): Remove call to init_system.
 301         (init_system): Delete.
 302         (sim_set_callbacks): Delete.
 303         (sim_set_interrupt): Pass in SD, use.
 304         (start_time): Delete.
 305
 306         * v850_sim.h: Remove everything except `struct simops' from here.
 307         * sim-main.h: Move most to here.
 308         * gencode.c: Move #includes to here.
 309
 310         * sim-main.h(struct _sim_cpu): Rename struct _state.
 311         (#define PC, et.al.): Update
 312         (v850_callback): Delete.  Replaced with SIM_DESC arg.
 313         (int8, uint8, int16, uint16, int32, uint32): Define types using
 314         unsigned8 et.al from common/sim-types.h.
 315         * sim-main.h (State): Define as STATE_CPU.
 316
 317 Mon Sep  1 12:07:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 318
 319         * configure.in: Check for time, chmod.
 320         * configure: Regenerate.
 321         * simops.c (SYS_time, SYS_chmod): Use HAVE_TIME, HAVE_CHMOD.
 322
 323         * simops.c (../../libgloss/v850/sys/syscall.h): Include instead of
 324         sys/syscall.h.
 325         (OP_10007E0): Check the existance each SYS_* macro independantly.
 326
 327         * v850_sim.h (SIGQUIT, SIGTRAP): Only define if missing.
 328
 329 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 330
 331         * configure: Regenerated to track ../common/aclocal.m4 changes.
 332         * config.in: Ditto.
 333
 334 Tue Aug 26 10:42:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 335
 336         * interp.c (sim_kill): Delete.
 337         (sim_create_inferior): Add ABFD argument.
 338         (sim_load): Move setting of PC from here.
 339         (sim_create_inferior): To here.
 340
 341 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 342
 343         * configure: Regenerated to track ../common/aclocal.m4 changes.
 344         * config.in: Ditto.
 345
 346 Mon Aug 25 11:31:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 347
 348         * interp.c (sim_open): Add ABFD argument.
 349
 350 start-sanitize-v850e
 351 Fri Aug 22 10:39:28 1997  Nick Clifton  <nickc@cygnus.com>
 352
 353         * simops.c (bsh): Only set CY flag if either of the bottom
 354         bytes is zero.
 355
 356         * simops.c (prepare, dispose): Lower numbered
 357         registers go to higher numbered address.
 358
 359         * simops.c (unsigned divide instructions): S bit set if result has
 360         top bit set.
 361
 362 start-sanitize-v850eq
 363         * simops.c (pushml, pushmh, popml, popmh): Lower numbered
 364         registers go to higher numbered address.
 365 end-sanitize-v850eq
 366 end-sanitize-v850e
 367
 368 Wed Aug 20 13:56:35 1997  Nick Clifton  <nickc@cygnus.com>
 369
 370         * simops.c (OP_107E0, OP_107F0, OP_307E0, OP_307F0): Use correct
 371         interpretation of SR bit in list18 structure.
 372 start-sanitize-v850eq
 373         (divn, divun): New functions to perform N step divide functions.
 374 end-sanitize-v850eq
 375
 376 start-sanitize-v850eq
 377 Mon Aug 18 10:59:02 1997  Nick Clifton  <nickc@cygnus.com>
 378
 379         * simops.c (OP_300, OP_400, OP_60, OP_70): Support variant opcodes
 380         with US bit set in the PSW.
 381 start-sanitize-v850eq
 382
 383 Wed Aug 13 19:06:55 1997  Nick Clifton  <nickc@cygnus.com>
 384
 385         * interp.c (sim_resume): Opcode functions return amount to be
 386         added to PC and all opcodes take a standard format in the OP[]
 387         array.
 388
 389         (do_format_*): Functions removed.
 390
 391         * v850_sim.h (SP, EP): New register mnemonics.
 392
 393         * gencode.c (write_header): Functions prototypes return an
 394         integer.
 395
 396         * simops.c: Opcode functions return amount to be added to PC.
 397
 398 start-sanitize-v850e
 399         * v850_sim.h (CTPC, CTPSW, CTBP): New register mnemonics.
 400
 401         * simops.c: Add support for v850e instructions.
 402
 403         * .Sanitize (Do-first, Do-last): Add support for keep-v850e
 404         command line option.
 405
 406 end-sanitize-v850e
 407
 408 start-sanitize-v850eq
 409         * .Sanitize (Do-first, Do-last): Add support for keep-v850eq
 410         command line option.
 411
 412         * simops.c: Add support for v850eq instructions.
 413 end-sanitize-v850eq
 414
 415 Tue May 20 10:24:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 416
 417         * interp.c (sim_open): Add callback argument.
 418         (sim_set_callbacks): Delete SIM_DESC argument.
 419
 420 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 421
 422         * configure: Regenerated to track ../common/aclocal.m4 changes.
 423
 424 Wed Apr 23 17:20:16 1997  Doug Evans  <dje@canuck.cygnus.com>
 425
 426         * interp.c (prog_bfd_was_opened_p): New static local.
 427         (prog_bfd): New global variable.
 428         (sim_open): Undo patch to add -E support.
 429         (sim_close): Close prog_bfd if sim_load opened it.
 430         (sim_load): Record bfd of loaded file in prog_bfd.
 431         * simops.c (prog_bfd): Renamed from exec_bfd.
 432
 433 Fri Apr 18 14:17:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 434
 435         * interp.c (sim_stop): Stub function.
 436
 437 Thu Apr 17 03:53:18 1997  Doug Evans  <dje@canuck.cygnus.com>
 438
 439         * Makefile.in (SIM_OBJS): Add sim-load.o.
 440         * interp.c (sim_kind, myname): New static locals.
 441         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 442         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
 443         load file into simulator.  Set start address from bfd.
 444         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 445
 446 Wed Apr 16 19:53:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 447
 448         * simops.c (OP_10007E0): Only provide system calls SYS_execv,
 449         SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
 450
 451 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 452
 453         * configure: Regenerated to track ../common/aclocal.m4 changes.
 454         * config.in: Ditto.
 455
 456 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 457
 458         * interp.c (sim_open): New arg `kind'.
 459
 460         * configure: Regenerated to track ../common/aclocal.m4 changes.
 461
 462 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 463
 464         * configure: Regenerated to track ../common/aclocal.m4 changes.
 465
 466 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 467
 468         * configure: Regenerated to track ../common/aclocal.m4 changes.
 469
 470 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 471
 472         * configure: Re-generate.
 473
 474 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 475
 476         * configure: Regenerate to track ../common/aclocal.m4 changes.
 477
 478 Thu Mar 13 13:00:54 1997  Doug Evans  <dje@canuck.cygnus.com>
 479
 480         * interp.c (sim_open): New SIM_DESC result.  Argument is now
 481         in argv form.
 482         (other sim_*): New SIM_DESC argument.
 483
 484 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 485
 486         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 487         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 488         * configure.in: sinclude ../common/aclocal.m4.
 489         * configure: Regenerated.
 490
 491 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 492
 493         * configure configure.in Makefile.in:  Update to new configure
 494         scheme which is more compatible with WinGDB builds.
 495         * configure.in:  Improve comment on how to run autoconf.
 496         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 497         * Makefile.in:  Use autoconf substitution to install common
 498         makefile fragment.
 499
 500 Mon Jan 20 16:05:34 1997  Michael Meissner  <meissner@tiktok.cygnus.com>
 501
 502         * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
 503         not zero extend.
 504
 505 Tue Jan 14 17:06:03 1997  Stu Grossman  (grossman@critters.cygnus.com)
 506
 507         * simops.c:  Put ifdefs around things to make MSVC happy.  Get rid
 508         of unistd.h.  Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
 509         SYS_gettimeofday and SYS_utime from MSVC.
 510
 511 Tue Dec 31 18:11:13 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 512
 513         * simops.c (OP_10007E0): Know that kill encodes the signal number
 514         via: 0xdead0000 | signal and turn it back into a signal.
 515
 516 Fri Dec 27 14:44:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 517
 518         * v850_sim.h (SIG_V850_EXIT): Define as -1.
 519
 520         * interp.c (sim_open): Cast calloc function.
 521         (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
 522         program exited with the appropriate exit code.
 523         (sim_set_interrupt): Declare buildargv.
 524
 525         * simops.c (OP_10007E0): Make exit signal normal exit.  Make time
 526         type correct and work on big endian systems.
 527
 528 Wed Nov 20 02:18:44 1996  Doug Evans  <dje@canuck.cygnus.com>
 529
 530         * Makefile.in: Delete stuff moved to ../common/Make-common.in.
 531         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
 532         * configure.in: Simplify using macros in ../common/aclocal.m4.
 533         Call AC_CHECK_HEADERS(unistd.h).
 534         * configure: Regenerated.
 535         * config.in: New file.
 536         * simops.c: #include "config.h".  #include <unistd.h> if present.
 537
 538 Sun Nov  3 23:02:54 1996  Stan Shebs  <shebs@andros.cygnus.com>
 539
 540         * v850_sim.h (State): New slots dummy_mem, pending_nmi.
 541         (EIPC, etc): New macros for system registers.
 542         * simops.c, interp.c: Use everywhere.
 543
 544         * interp.c: Add support for interrupts issued by interrupt
 545         generators, either PC- or time-based.  Controlled by simulator
 546         command "sim interrupt".
 547
 548         * interp.c: Add support for variable-size allocation of memory,
 549         via simulator command "sim memory-map".
 550         (map): Issue SIGSEGV for references to invalid memory regions.
 551
 552 Thu Oct 31 14:44:10 1996  Gavin Koch  <gavin@cygnus.com>
 553
 554         * simops.c: Include <sys/time.h> for struct timeval and
 555         struct timezone.
 556
 557 Wed Oct 30 08:49:10 1996  Jeffrey A Law  (law@cygnus.com)
 558
 559         * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
 560
 561         * simops.c (OP_10007E0): Handle SYS_time.
 562
 563 Tue Oct 29 14:22:55 1996  Jeffrey A Law  (law@cygnus.com)
 564
 565         * simops.c: Include <sys/stat.h>.
 566         (OP_10007E0): Handle SYS_stat.
 567
 568 Thu Oct 24 12:26:35 1996  Jeffrey A Law  (law@cygnus.com)
 569
 570         * simops.c (OP_10007E0): Don't declare errno.
 571
 572         * simops.c (OP_500): Mask off low bit in displacement
 573         for sld.w.
 574         (OP_501): Similarly.
 575
 576         * simops.c (OP_500): Fix displacement handling for sld.w.
 577         (OP_501): Similarly for sst.w.
 578
 579         * simops.c (trace_input): Remove all references to SEXT7.
 580         (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
 581         is zero extended for sst/sld instructions.
 582         * v850_sim.h (SEX7): Delete.  It's no longer needed (and it
 583         was incorrect anyway).
 584
 585 Thu Oct 24 10:33:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
 586
 587         * Makefile.in:  Get rid of srcroot.  Set all INSTALL macros via
 588         autoconf.
 589         * gencode.c (write_opcodes):  Pad operands field to account for
 590         MSVC braindamage.
 591         * simops.c:  Include errno.h.  Exclude SYS_chown, since MSVC
 592         doesn't support it.  (Why is this here in the first place?!?)
 593         * v850_sim.h:  Get rid of 64 bit defs.  Also, get rid of #elif's.
 594         Change number of operands in struct simops from 9 to 6.  Define
 595         SIGTRAP and SIGQUIT for MSVC.
 596
 597 Tue Oct 15 16:19:51 1996  Stu Grossman  (grossman@critters.cygnus.com)
 598
 599         * interp.c (MEM_SIZE):  It's now bytes, not a power of 2.
 600         * (map):  Add support for external mem in the 1->2 meg range.
 601         Also, abort() when memory access is way out of bounds.  (Better to
 602         die than to give wrong result.  (This will be fixed later.))
 603         * (sim_size):  MEM_SIZE is now bytes, not shift factor.
 604
 605 Tue Oct  1 15:53:24 1996  Gavin Koch <gavin@cygnus.com>
 606
 607         * simops.c (trace_input): Swapped order of operands for output
 608         output of OP_IMM_REG.  Changed the fetching of the operands for
 609         OP_LOAD32, and OP_STORE32 to work like op-function.
 610
 611 Mon Sep 30 15:46:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
 612
 613         * interp.c:  Move includes of remote-sim.h and callback.h to
 614         v850-sim.h.
 615         * (lookup_hash): Add PC to report of hash failure.
 616         * (map load_mem store_mem):  New memory subsystem.  Models V851
 617         memory system.
 618         * (sim_write sim_read):  Use new memory subsystem.
 619         * (sim_resume):  Don't load and save PC into EIPC anymore.  Needed
 620         to make user-defined traps work right.
 621         * simops.c (OP_*):  Use new memory subsystem.
 622         * (OP_14007E0 (reti)):  Implement reti.
 623         * (OP_14996E0 (trap)):  Implement user-defined traps.  Move I/O to
 624         trap 31.  Use new memory subsystem.
 625         * v850_sim.h:  Prototypes for load_mem, store_mem and map.  Use
 626         load_mem in RLW macro.
 627
 628 Fri Sep 27 18:34:09 1996  Stu Grossman  (grossman@critters.cygnus.com)
 629
 630         * gencode.c (write_opcodes):  Output hex values for opcode mask
 631         and patterns.
 632         * interp.c (sim_resume):  Save and restore PC from the appropriate
 633         register.
 634         * (sim_fetch_register sim_store_register):  Fix byte-order problem
 635         with reading and writing registers.
 636         * simops.c (OP_FFFF):  Implement pseudo-breakpoint insn.
 637
 638 Fri Sep 27 17:42:37 1996  Jeffrey A Law  (law@cygnus.com)
 639
 640         * simops.c (trace_input): Fix thinko.
 641
 642 Wed Sep 18 09:54:12 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 643
 644         * simops.c (exec_bfd): Rename from sim_bfd.
 645         (trace_input): Ditto.
 646
 647 Thu Sep 12 12:03:05 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 648
 649         * simops.c (trace_input): Use find_nearest_line to print line
 650         number, function name or file name of PC.
 651
 652 Wed Sep 11 16:44:37 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 653
 654         * simops.c: Add tracing support.  Use SEXTxx macros instead of
 655         doing hardwired shifts.
 656
 657         * configure.in (--enable-sim-cflags): Add switch to add additional
 658         flags to simulator buld.  If --enable-sim-cflags=trace, turn on
 659         tracing.
 660         * configure: Regenerate.
 661
 662         * Makefile.in: Don't require a VPATH capable make if configuring
 663         in the same directory.  Don't use CFLAGS for configuration flags.
 664         Add flags from --enable-sim-cflags.  Support canadian cross
 665         builds.  Rebuild whole simulator if include files change.
 666
 667         * interp.c (v850_debug): New global for debugging.
 668         (lookup_hash,sim_size,sim_set_profile): Use
 669         printf_filtered callback, instead of calling printf directly.
 670         (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
 671
 672         * v850_sim.h: Use limits.h to set the various sized types.
 673         (SEXT{5,7,16,22}): New macros.
 674
 675 Mon Sep  9 20:50:46 1996  Jeffrey A Law  (law@cygnus.com)
 676
 677         * interp.c (hash): Make this an inline function
 678         when compiling with GCC.  Simplify.
 679         * simpos.c: Explicitly include "sys/syscall.h".  Remove
 680         some #if 0'd code.  Enable more emulated syscalls.
 681
 682 Wed Sep  4 01:48:55 1996  Jeffrey A Law  (law@cygnus.com)
 683
 684         * interp.c: Fix sign bit handling for add and sub instructions.
 685
 686 Tue Sep  3 10:20:30 1996  Jeffrey A Law  (law@cygnus.com)
 687
 688         * gencode.c: Fix various indention & style problems.
 689         Remove test code.  Remove #if 0 code.
 690         * interp.c: Provide prototypes for all static functions.
 691         Fix minor indention problems.
 692         (sim_open, sim_resume): Remove unused variables.
 693         (sim_read): Return type is "int".
 694         * simops.c: Remove unused variables.
 695         (divh): Make result of divide-by-zero zero.
 696         (setf): Initialize result to keep compiler quiet.
 697         (sar instructions): These just clear the overflow bit.
 698         * v850_sim.h: Provide prototypes for put_byte, put_half
 699         and put_word.
 700
 701         * interp.c: OP should be an array of 32bit operands!
 702         (v850_callback): Declare.
 703         (do_format_5): Fix extraction of OP[0].
 704         (sim_size): Remove debugging printf.
 705         (sim_set_callbacks): Do something useful.
 706         (sim_stop_reason): Gross hacks to get c-torture running.
 707         * simops.c: Simplify code for computing targets of bCC
 708         insns.   Invert 's' bit if 'ov' bit is set for some
 709         instructions.  Fix 'cy' bit handling for numerous
 710         instructions.  Make the simulator stop when a halt
 711         instruction is encountered.  Very crude support for
 712         emulated syscalls (trap 0).
 713         * v850_sim.h: Include "callback.h" and declare
 714         v850_callback.  Items in the operand array are 32bits.
 715
 716 Sun Sep  1 22:35:35 1996  Jeffrey A Law  (law@cygnus.com)
 717
 718         * interp.c (sim_resume): Fix code to check for a format 3
 719         opcode.
 720         * simops.c: bCC insns only argument is a constant, not a
 721         register value (duh...)
 722
 723 Fri Aug 30 10:33:49 1996  Jeffrey A Law  (law@cygnus.com)
 724
 725         * simops.c: Fix "not1" and "set1".
 726
 727         * simops.c: Don't forget to initialize temp for
 728         "ld.h" and "ld.w"
 729
 730         * interp.c: Remove various debugging printfs.
 731
 732         * simops.c: Fix satadd, satsub boundary case handling.
 733
 734         * interp.c (hash): Fix.
 735         * interp.c (do_format_8): Get operands correctly and
 736         call the target function.
 737         * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
 738
 739 Thu Aug 29 13:53:29 1996  Jeffrey A Law  (law@cygnus.com)
 740
 741         * interp.c (do_format_4): Get operands correctly and
 742         call the target function.
 743         * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
 744         "sst.h", and "sst.w".
 745
 746         * v850_sim.h: The V850 doesn't have split I&D spaces.  Change
 747         accordingly.  Remove many unused definitions.
 748         * interp.c: The V850 doesn't have split I&D spaces.  Change
 749         accordingly.
 750         (get_longlong, get_longword, get_word): Deleted.
 751         (write_longlong, write_longword, write_word): Deleted.
 752         (get_operands): Deleted.
 753         (get_byte, get_half, get_word): New functions.
 754         (put_byte, put_half, put_word): New functions.
 755         * simops.c: Remove unused functions.  Rough cut at
 756         "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
 757
 758         * v850_sim.h (struct _state): Remove "psw" field.  Add
 759         "sregs" field.
 760         (PSW): Remove bogus definition.
 761         * simops.c: Change condition code handling to use the psw
 762         register within the sregs array.  Handle "ldsr" and "stsr".
 763
 764         * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
 765
 766         * interp.c (do_format_5): Get operands correctly and
 767         call the target function.
 768         (sim_resume): Don't do a PC update for format 5 instructions.
 769         * simops.c: Handle "jarl" and "jmp" instructions.
 770
 771         * simops.c: Fix minor typos.  Handle "cmp", "setf", "tst"
 772         "di", and "ei" instructions correctly.
 773
 774         * interp.c (do_format_3): Get operands correctly and call
 775         the target function.
 776         * simops.c: Handle bCC instructions.
 777
 778         * simops.c: Add condition code handling to shift insns.
 779         Fix minor typos in condition code handling for other insns.
 780
 781         * Makefile.in: Fix typo.
 782         * simops.c: Add condition code handling to "sub" "subr" and
 783         "divh" instructions.
 784
 785         * interp.c (hash): Update to be more accurate.
 786         (lookup_hash): Call hash rather than computing the hash
 787         code here.
 788         (do_format_1_2): Handle format 1 and format 2 instructions.
 789         Get operands correctly and call the target function.
 790         (do_format_6): Get operands correctly and call the target
 791         function.
 792         (do_formats_9_10): Rough cut so shift ops will work.
 793         (sim_resume): Tweak to deal with format 1 and format 2
 794         handling in a single funtion.  Don't update the PC
 795         for format 3 insns.  Fix typos.
 796         * simops.c: Slightly reorganize.  Add condition code handling
 797         to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
 798         and "not" instructions.
 799         * v850_sim.h (reg_t): Registers are 32bits.
 800         (_state): The V850 has 32 general registers.  Add a 32bit
 801         psw and pc register too.  Add accessor macros
 802
 803         * Makefile.in, interp.c, v850_sim.h: Bring over endianness
 804         changes from the d10v simulator.
 805
 806         * simops.c: Add shift support.
 807
 808         * simops.c: Add multiply & divide support.  Abort for system
 809         instructions.
 810
 811         * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
 812         and subr.  No condition codes yet.
 813
 814 Wed Aug 28 13:53:22 1996  Jeffrey A Law  (law@cygnus.com)
 815
 816         * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
 817         gencode.c, interp.c, simops.c: Created.
 818