sim/v850/ChangeLog

   1 Tue Sep 16 22:14:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * simops.c (trace_output): Add result argument.
   4         (trace_result): New function.  Simpler version of trace_output,
   5         assumes trace needed.
   6         (trace_output): Call trace_result.
   7         (trace_output): For IMM_REG_REG, trace correct register.
   8         (trace_input): Add case for 16bit immediates.
   9         (OP_600, OP_640, OP_680, OP_6C0, OP_6A0): Use.
  10
  11         * sim-main.h (TRACE_ALU_INPUT, TRACE_ALU_RESULT): Define.
  12         (trace_values, trace_name, trace_pc, trace_num_values): Make
  13         global.
  14         (GR, SR): Define.
  15
  16         v850.insn (movea, stsr): Use.
  17 start-sanitize-v850e
  18         (sxb, sxh, zxb, zxh): Ditto.
  19 end-sanitize-v850e
  20
  21 Tue Sep 16 21:14:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  22
  23         * simops.c: Move "movea" from here.
  24         * v850.igen: To here.
  25
  26         * v850.igen (simm16): Define, sign extend imm16.
  27         (uimm16): Define, no sign extension.
  28         (addi, andi, movea, movhi, mulhi, ori, satsubi, xori): Use.
  29
  30 start-sanitize-v850e
  31         * simops.c: Move "sxh", "switch", "sxb", "callt", "dispose",
  32         "mov32" from here.
  33         * v850.igen: To here.
  34         (switch): Fix off by two error in NIA calc.
  35
  36 end-sanitize-v850e
  37 Tue Sep 16 15:14:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  38
  39         * simops.c (trace_pc, trace_name, trace_values, trace_num_values):
  40         New static globals.
  41         (trace_input): Just save pc, name and values for trace_output.
  42         (trace_output): Write trace values to a buffer.  Use
  43         trace_one_insn to print trace info and buffer.
  44         (SIZE_OPERANDS, SIZE_LOCATION): Delete.
  45
  46 Tue Sep 16 09:02:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  47
  48         * sim-main.h (struct _sim_cpu): Add psw_mask so that reserved bits
  49         can be masked out.
  50
  51         * simops.c (OP_2007E0, OP_4007E0): Move "ldsr", "stsr"
  52         instructions from here.
  53         * v850.igen (ldsr, stsr): To here.  Mask out reserved bits when
  54         setting PSW.
  55
  56         * interp.c (sim_open): Set psw_mask if machine known.
  57
  58 Tue Sep 16 10:20:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  59
  60 start-sanitize-v850e
  61         * v850-dc: Add rule to diferentiate between breakpoint and divh.
  62         * v850.igen (break): New instruction, breakpoint simulator.
  63
  64 end-sanitize-v850e
  65         * v850.igen (breakpoint): Enable.  Change to a 32bit instruction.
  66
  67 start-sanitize-v850e
  68 Mon Sep 15 18:44:05 1997  Jim Wilson  <wilson@cygnus.com>
  69
  70         * simops.c (Multiply64): Don't store into register zero.
  71
  72 start-sanitize-v850e
  73 Tue Sep 16 09:02:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  74
  75         * Makefile.in (semantics.o): Add dependency.
  76
  77         * sim-main.h (SAVE_1, SAVE_2): Perform backward compatible save,
  78         do not adjust CIA/NIA.
  79
  80 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  81
  82 start-sanitize-v850eq
  83         * simops.c (OP_300, OP_400, OP_70): Make behavour depend on PSW[US].
  84
  85         * simops.c: Move "divun", "sld.bu", "divhn", "divhun", "divn",
  86         "divun", "pushml" code from here to v850.igen.
  87         (divun): Make global.
  88         (type3_regs): Make global
  89
  90         * v850.igen: Move simops.c code to here.
  91
  92         * interp.c (sim_create_inferior): For v850eq set US bit by
  93         default.
  94
  95 end-sanitize-v850eq
  96 start-sanitize-v850e
  97         * interp.c (sim_open): Don't set arch, now set by
  98         sim_analyze_program.
  99
 100 end-sanitize-v850e
 101         * configure: Regenerated to track ../common/aclocal.m4 changes.
 102
 103 Mon Sep 15 14:39:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 104
 105         * simops.c (op_types): Move from here.
 106         sim-main.h: To here.
 107
 108         * sim-main.h (trace_input, trace_output), simops.c: Make global.
 109
 110         * simops.c (OP_60): Move "jmp" code from here.
 111         * v850.igen (jmp): To here.
 112
 113 start-sanitize-v850eq
 114         * simops.c (OP_60): Move "sld.bu" code from here.
 115         * v850.igen (sld.bu): To here.
 116
 117 end-sanitize-v850eq
 118 Fri Sep 12 15:11:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 119
 120 start-sanitize-v850eq
 121         * v850.igen (prepare, ...): Add to v850eq architecture.
 122
 123 end-sanitize-v850eq
 124 start-sanitize-v850e
 125         * interp.c (sim_open): Default to v850eq.
 126
 127 end-sanitize-v850e
 128 start-sanitize-v850eq
 129
 130         * interp.c (sim_open): Default to v850e.
 131 end-sanitize-v850eq
 132         * sim-main.h (signal.h): Include.
 133
 134         * v850.igen (illegal): Report/halt illegal instructions.
 135
 136         * Makefile.in (SIM_EXTRA_CFLAGS): Add SIM_RESERVED_BITS.
 137
 138         * configure.in: Add reserved bits option.
 139         * configure: Regenerate.
 140
 141 Thu Sep 11 08:40:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 142
 143         * interp.c (sim_open): Use sim_do_commandf instead of asprintf.
 144
 145         * sim-main.h (INSN_NAME):
 146
 147         * Makefile.in (INCLUDE): Add SIM_EXTRA_DEPS.
 148         (SIM_EXTRA_DEPS): Add itable.h
 149         (tmp-gencode): Does not depend on simops.h
 150
 151         * sim-main.h (itable.h): Include.
 152         (MAX_INSNS, INSN_NAME): Define.
 153
 154         * interp.c: Compute inttype from the interrupt_names index that
 155         was passed in.
 156
 157 Wed Sep 10 10:25:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 158
 159         * simops.c (trace_input): Use trace_printf instead of
 160         sim_io_printf.
 161         (trace_output): Ditto.
 162         (trace_input): Only trace when TRACE_ALU_P.  Delete code
 163         disasembling instruction.
 164         (trace_output): Only trace when TRACE_ALU_P.
 165
 166 Tue Sep  9 01:29:50 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 167
 168         * simops.c (trace_input, trace_output): Use sim_io_printf.
 169         (OP_620): Pass correct argument to trace.
 170         (OP_E607E0): Ditto.
 171         (trace_input): Obtain prog_bfd, text_start et.al from simulator
 172         struct.
 173
 174 Mon Sep  8 21:03:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 175
 176         * v850.igen: New file.
 177         * v850-dc: New file.
 178
 179 Mon Sep  8 18:33:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 180
 181
 182         * sim-main.h (SEXT16): Delete, use EXTEND16.
 183         (SEXT8): Delete, use EXTEND8.
 184         (SEXT32): Delete, used?
 185         (SEXT40, SEXT44, SEXT64): Use UNSIGNED64 for constants, not ...LL.
 186         (WITH_TARGET_WORD_MSB): Define as 31. v850 little bit endian.
 187
 188         * simops.c: Use EXTEND15 from sim-bits instead of SEXT16.
 189
 190         * sim-main.h (DEBUG_TRACE, DEBUG_VALUES, v850_debug): Delete,
 191         replace with TRACE_INSN_P and TRACE_ALU_P.
 192
 193         * simops.c (trace_input, trace_output): Update.
 194
 195         * interp.c (sim_engine_run): Delete.
 196         (lookup_hash): Delete.
 197         (sim_open): Do not fill hash table.
 198         (sim_trace): Delete.
 199
 200 Fri Sep  5 17:04:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 201
 202         * simops.c (OP_FFFF): Use sim_engine_halt.
 203         (OP_12007E0): Ditto.
 204         (OP_10007E0): Ditto.
 205
 206         * sim-main.h (struct sim_cpu): Delete member exception. Using
 207         sim-engine et.al.
 208
 209         * interp.c (sim_info): Do not do anything in sim-info.
 210         (sim_stop): Delete, replace with sim-stop.
 211         (sim_stop_reason): Delete, replace with sim-reason.
 212
 213         * sim-main.h (WITH_WATCHPOINTS): Define.
 214         (WITH_MODULO_MEMORY): Define
 215
 216         * Makefile.in (SIM_OBJS): Add sim-resume, sim-watch, sim-stop,
 217         sim-reason.
 218
 219         * interp.c (enum interrupt_cond_type): Delete.
 220         (struct interrupt_generator): Delete.
 221         (enum interrupt_type): Drop int_none.
 222         (sim_open): Initialize WATCHPOINT module.
 223         (sim_resume, sim_run): Rename sim_resume to sim_run.
 224         (sim_engine_run): Replace interrupt code with call to sim-events.
 225         (sim_set_interrupt): Delete.
 226         (sim_parse_number): Delete.
 227
 228 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 229
 230         * configure: Regenerated to track ../common/aclocal.m4 changes.
 231
 232 Thu Sep  4 18:11:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 233
 234         * simops.c (fetch_argv): New function, fetch a arg vector from
 235         simulator memory.
 236
 237         * configure.in: Check for fork, execve, execv.
 238         * configure: Regenerate.
 239
 240         * interp.c (sim_store_register, sim_fetch_register): Use H2T_4 and
 241         T2H_4 for byte swapping.
 242
 243         * sim-main.h, interp.c (get_word, get_half, get_byte, put_word,
 244         put_half, put_byte): Delete.
 245
 246         * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
 247
 248         * sim-main.h (load_mem, store_mem): Redefine as macros.
 249         (IMEM, IMEM_IMMED): New macros - fetch instructions.
 250
 251         * simops.c (OP_10007E0): For SYS_read, SYS_write, SYS_open
 252         transfer data via a buffer.
 253         (fetch_str): New function, fetch string from memory.
 254
 255         * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
 256
 257         * interp.c (sim_open): Establish memory maps using sim-memopt.c
 258         via sim_do_command.
 259         (sim_do_command): Print error if memory-map command is used. Call
 260         sim_args_command.
 261         (map): Delete, replaced by sim-core.
 262         (sim_memory_init): Delete, replaced by sim-core.
 263         (sim_set_memory_map): Delete, replaced by sim-memopt.
 264         (load_mem): Delete, replaced by sim-core.
 265         (store_mem): Delete, replaced by sim-core.
 266         (sim_write): Delete, replaced by sim-hrw.
 267         (sim_read): Delete, replaced by sim-hrw.
 268
 269         * sim-main.h (struct sim_state): Remove memory members, using
 270         sim-core.c
 271
 272 Wed Sep  3 10:18:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 273
 274         * sim-main.h: Replace SIM_HAVE_FLATMEM with mem ptr.
 275         * interp.c (map): Do not add to a void pointer.
 276
 277         * Makefile.in (INCLUDE): Add sim-main.h
 278
 279         * configure.in: Check for time.h
 280         * configure: Re-generate.
 281
 282         * interp.c (struct interrupt_generator): Make time unsigned long,
 283         address SIM_ADDR.
 284         (sim_resume): Make oldpc SIM_ADDR.
 285         (struct hash_entry): Make mask/opcode unsigned.
 286
 287         * v850_sim.h (struct simops ): Make opcode and mask unsigned.
 288
 289         * simops.c (utime.h): Include if available.
 290         (OP_10007E0): Check for UTIME function.
 291         (divun): Put parentheses around shift argument.
 292         (OP_640): Put parentheses around shift argument, was wrong.
 293         (OP_107F0): Return something.
 294
 295         * interp.c (sim_parse_number): Use strtoul not strtol.
 296         (sim_resume): Use sim_elapsed_time_get to keep track of the time.
 297
 298         * configure.in (SIM_AC_OPTION_WARNINGS): Add.
 299         (SIM_AC_OPTION_ENDIAN): Set to hardwired big.
 300         (SIM_AC_OPTION_HOST_ENDIAN): Add.
 301         (AC_CHECK_FUNCS): Add utime.
 302         (AC_CHECK_HEADERS): Add stdlib.h, string.h, strings.h, utime.h
 303         configure: Regenerate.
 304
 305
 306         * Makefile.in (SIM_RUN_OBJS): Use nrun.o.
 307         (SIM_OBJS): Add sim-io.o, sim-hload.o, sim-utils.o, sim-options.o,
 308         sim-config.o, sim-module.o, sim-events.o, sim-core.o,
 309         sim-endian.o, sim-engine.o, sim-trace.o, sim-profile.o
 310         (SIM_ENDIAN, SIM_WARNGINS): Define.
 311
 312         * simops.c (OP_10007E0): Use sim_io_* for transfers.
 313
 314         * interp.c (sim_resume): Pass sd around.
 315
 316         * simops.c (sim-main.h): Include.
 317
 318         * gencode.c (write_template): Generate #include sim-main.h.
 319         (write_opcodes): Ditto.
 320
 321         * interp.c (prog_bfd, prog_bfd_was_opened_p): Delete.
 322         (v850_callback): Ditto.
 323         (sim_kind, myname): Ditto.
 324         (lookup_hash): Pass SD. Use sim_io_error.
 325         (sim_set_memory_map): Pass in SD, use.
 326         (init_system): Pass in SD, use.
 327         (sim_open): Update.
 328         (sim_set_profile): Delete.
 329         (sim_set_profile_size): Delete.
 330         (do_interrupt): Pass in SD, use.
 331         (sim_info): Use sim_io_printf.
 332         (sim_create_inferior): Reset registers.  Set PC from prog_bfd
 333         argument.
 334         (sim_load): Delete, use common/sim-hload.c
 335         (sim_size): Rename to sim_memory_init.
 336         (sim_write): Remove call to init_system.
 337         (init_system): Delete.
 338         (sim_set_callbacks): Delete.
 339         (sim_set_interrupt): Pass in SD, use.
 340         (start_time): Delete.
 341
 342         * v850_sim.h: Remove everything except `struct simops' from here.
 343         * sim-main.h: Move most to here.
 344         * gencode.c: Move #includes to here.
 345
 346         * sim-main.h(struct _sim_cpu): Rename struct _state.
 347         (#define PC, et.al.): Update
 348         (v850_callback): Delete.  Replaced with SIM_DESC arg.
 349         (int8, uint8, int16, uint16, int32, uint32): Define types using
 350         unsigned8 et.al from common/sim-types.h.
 351         * sim-main.h (State): Define as STATE_CPU.
 352
 353 Mon Sep  1 12:07:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 354
 355         * configure.in: Check for time, chmod.
 356         * configure: Regenerate.
 357         * simops.c (SYS_time, SYS_chmod): Use HAVE_TIME, HAVE_CHMOD.
 358
 359         * simops.c (../../libgloss/v850/sys/syscall.h): Include instead of
 360         sys/syscall.h.
 361         (OP_10007E0): Check the existance each SYS_* macro independantly.
 362
 363         * v850_sim.h (SIGQUIT, SIGTRAP): Only define if missing.
 364
 365 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 366
 367         * configure: Regenerated to track ../common/aclocal.m4 changes.
 368         * config.in: Ditto.
 369
 370 Tue Aug 26 10:42:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 371
 372         * interp.c (sim_kill): Delete.
 373         (sim_create_inferior): Add ABFD argument.
 374         (sim_load): Move setting of PC from here.
 375         (sim_create_inferior): To here.
 376
 377 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 378
 379         * configure: Regenerated to track ../common/aclocal.m4 changes.
 380         * config.in: Ditto.
 381
 382 Mon Aug 25 11:31:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 383
 384         * interp.c (sim_open): Add ABFD argument.
 385
 386 start-sanitize-v850e
 387 Fri Aug 22 10:39:28 1997  Nick Clifton  <nickc@cygnus.com>
 388
 389         * simops.c (bsh): Only set CY flag if either of the bottom
 390         bytes is zero.
 391
 392         * simops.c (prepare, dispose): Lower numbered
 393         registers go to higher numbered address.
 394
 395         * simops.c (unsigned divide instructions): S bit set if result has
 396         top bit set.
 397
 398 start-sanitize-v850eq
 399         * simops.c (pushml, pushmh, popml, popmh): Lower numbered
 400         registers go to higher numbered address.
 401 end-sanitize-v850eq
 402 end-sanitize-v850e
 403
 404 Wed Aug 20 13:56:35 1997  Nick Clifton  <nickc@cygnus.com>
 405
 406         * simops.c (OP_107E0, OP_107F0, OP_307E0, OP_307F0): Use correct
 407         interpretation of SR bit in list18 structure.
 408 start-sanitize-v850eq
 409         (divn, divun): New functions to perform N step divide functions.
 410 end-sanitize-v850eq
 411
 412 start-sanitize-v850eq
 413 Mon Aug 18 10:59:02 1997  Nick Clifton  <nickc@cygnus.com>
 414
 415         * simops.c (OP_300, OP_400, OP_60, OP_70): Support variant opcodes
 416         with US bit set in the PSW.
 417 start-sanitize-v850eq
 418
 419 Wed Aug 13 19:06:55 1997  Nick Clifton  <nickc@cygnus.com>
 420
 421         * interp.c (sim_resume): Opcode functions return amount to be
 422         added to PC and all opcodes take a standard format in the OP[]
 423         array.
 424
 425         (do_format_*): Functions removed.
 426
 427         * v850_sim.h (SP, EP): New register mnemonics.
 428
 429         * gencode.c (write_header): Functions prototypes return an
 430         integer.
 431
 432         * simops.c: Opcode functions return amount to be added to PC.
 433
 434 start-sanitize-v850e
 435         * v850_sim.h (CTPC, CTPSW, CTBP): New register mnemonics.
 436
 437         * simops.c: Add support for v850e instructions.
 438
 439         * .Sanitize (Do-first, Do-last): Add support for keep-v850e
 440         command line option.
 441
 442 end-sanitize-v850e
 443
 444 start-sanitize-v850eq
 445         * .Sanitize (Do-first, Do-last): Add support for keep-v850eq
 446         command line option.
 447
 448         * simops.c: Add support for v850eq instructions.
 449 end-sanitize-v850eq
 450
 451 Tue May 20 10:24:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 452
 453         * interp.c (sim_open): Add callback argument.
 454         (sim_set_callbacks): Delete SIM_DESC argument.
 455
 456 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 457
 458         * configure: Regenerated to track ../common/aclocal.m4 changes.
 459
 460 Wed Apr 23 17:20:16 1997  Doug Evans  <dje@canuck.cygnus.com>
 461
 462         * interp.c (prog_bfd_was_opened_p): New static local.
 463         (prog_bfd): New global variable.
 464         (sim_open): Undo patch to add -E support.
 465         (sim_close): Close prog_bfd if sim_load opened it.
 466         (sim_load): Record bfd of loaded file in prog_bfd.
 467         * simops.c (prog_bfd): Renamed from exec_bfd.
 468
 469 Fri Apr 18 14:17:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 470
 471         * interp.c (sim_stop): Stub function.
 472
 473 Thu Apr 17 03:53:18 1997  Doug Evans  <dje@canuck.cygnus.com>
 474
 475         * Makefile.in (SIM_OBJS): Add sim-load.o.
 476         * interp.c (sim_kind, myname): New static locals.
 477         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 478         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
 479         load file into simulator.  Set start address from bfd.
 480         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 481
 482 Wed Apr 16 19:53:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 483
 484         * simops.c (OP_10007E0): Only provide system calls SYS_execv,
 485         SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
 486
 487 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 488
 489         * configure: Regenerated to track ../common/aclocal.m4 changes.
 490         * config.in: Ditto.
 491
 492 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 493
 494         * interp.c (sim_open): New arg `kind'.
 495
 496         * configure: Regenerated to track ../common/aclocal.m4 changes.
 497
 498 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 499
 500         * configure: Regenerated to track ../common/aclocal.m4 changes.
 501
 502 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 503
 504         * configure: Regenerated to track ../common/aclocal.m4 changes.
 505
 506 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 507
 508         * configure: Re-generate.
 509
 510 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 511
 512         * configure: Regenerate to track ../common/aclocal.m4 changes.
 513
 514 Thu Mar 13 13:00:54 1997  Doug Evans  <dje@canuck.cygnus.com>
 515
 516         * interp.c (sim_open): New SIM_DESC result.  Argument is now
 517         in argv form.
 518         (other sim_*): New SIM_DESC argument.
 519
 520 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 521
 522         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 523         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 524         * configure.in: sinclude ../common/aclocal.m4.
 525         * configure: Regenerated.
 526
 527 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 528
 529         * configure configure.in Makefile.in:  Update to new configure
 530         scheme which is more compatible with WinGDB builds.
 531         * configure.in:  Improve comment on how to run autoconf.
 532         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 533         * Makefile.in:  Use autoconf substitution to install common
 534         makefile fragment.
 535
 536 Mon Jan 20 16:05:34 1997  Michael Meissner  <meissner@tiktok.cygnus.com>
 537
 538         * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
 539         not zero extend.
 540
 541 Tue Jan 14 17:06:03 1997  Stu Grossman  (grossman@critters.cygnus.com)
 542
 543         * simops.c:  Put ifdefs around things to make MSVC happy.  Get rid
 544         of unistd.h.  Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
 545         SYS_gettimeofday and SYS_utime from MSVC.
 546
 547 Tue Dec 31 18:11:13 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 548
 549         * simops.c (OP_10007E0): Know that kill encodes the signal number
 550         via: 0xdead0000 | signal and turn it back into a signal.
 551
 552 Fri Dec 27 14:44:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 553
 554         * v850_sim.h (SIG_V850_EXIT): Define as -1.
 555
 556         * interp.c (sim_open): Cast calloc function.
 557         (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
 558         program exited with the appropriate exit code.
 559         (sim_set_interrupt): Declare buildargv.
 560
 561         * simops.c (OP_10007E0): Make exit signal normal exit.  Make time
 562         type correct and work on big endian systems.
 563
 564 Wed Nov 20 02:18:44 1996  Doug Evans  <dje@canuck.cygnus.com>
 565
 566         * Makefile.in: Delete stuff moved to ../common/Make-common.in.
 567         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
 568         * configure.in: Simplify using macros in ../common/aclocal.m4.
 569         Call AC_CHECK_HEADERS(unistd.h).
 570         * configure: Regenerated.
 571         * config.in: New file.
 572         * simops.c: #include "config.h".  #include <unistd.h> if present.
 573
 574 Sun Nov  3 23:02:54 1996  Stan Shebs  <shebs@andros.cygnus.com>
 575
 576         * v850_sim.h (State): New slots dummy_mem, pending_nmi.
 577         (EIPC, etc): New macros for system registers.
 578         * simops.c, interp.c: Use everywhere.
 579
 580         * interp.c: Add support for interrupts issued by interrupt
 581         generators, either PC- or time-based.  Controlled by simulator
 582         command "sim interrupt".
 583
 584         * interp.c: Add support for variable-size allocation of memory,
 585         via simulator command "sim memory-map".
 586         (map): Issue SIGSEGV for references to invalid memory regions.
 587
 588 Thu Oct 31 14:44:10 1996  Gavin Koch  <gavin@cygnus.com>
 589
 590         * simops.c: Include <sys/time.h> for struct timeval and
 591         struct timezone.
 592
 593 Wed Oct 30 08:49:10 1996  Jeffrey A Law  (law@cygnus.com)
 594
 595         * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
 596
 597         * simops.c (OP_10007E0): Handle SYS_time.
 598
 599 Tue Oct 29 14:22:55 1996  Jeffrey A Law  (law@cygnus.com)
 600
 601         * simops.c: Include <sys/stat.h>.
 602         (OP_10007E0): Handle SYS_stat.
 603
 604 Thu Oct 24 12:26:35 1996  Jeffrey A Law  (law@cygnus.com)
 605
 606         * simops.c (OP_10007E0): Don't declare errno.
 607
 608         * simops.c (OP_500): Mask off low bit in displacement
 609         for sld.w.
 610         (OP_501): Similarly.
 611
 612         * simops.c (OP_500): Fix displacement handling for sld.w.
 613         (OP_501): Similarly for sst.w.
 614
 615         * simops.c (trace_input): Remove all references to SEXT7.
 616         (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
 617         is zero extended for sst/sld instructions.
 618         * v850_sim.h (SEX7): Delete.  It's no longer needed (and it
 619         was incorrect anyway).
 620
 621 Thu Oct 24 10:33:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
 622
 623         * Makefile.in:  Get rid of srcroot.  Set all INSTALL macros via
 624         autoconf.
 625         * gencode.c (write_opcodes):  Pad operands field to account for
 626         MSVC braindamage.
 627         * simops.c:  Include errno.h.  Exclude SYS_chown, since MSVC
 628         doesn't support it.  (Why is this here in the first place?!?)
 629         * v850_sim.h:  Get rid of 64 bit defs.  Also, get rid of #elif's.
 630         Change number of operands in struct simops from 9 to 6.  Define
 631         SIGTRAP and SIGQUIT for MSVC.
 632
 633 Tue Oct 15 16:19:51 1996  Stu Grossman  (grossman@critters.cygnus.com)
 634
 635         * interp.c (MEM_SIZE):  It's now bytes, not a power of 2.
 636         * (map):  Add support for external mem in the 1->2 meg range.
 637         Also, abort() when memory access is way out of bounds.  (Better to
 638         die than to give wrong result.  (This will be fixed later.))
 639         * (sim_size):  MEM_SIZE is now bytes, not shift factor.
 640
 641 Tue Oct  1 15:53:24 1996  Gavin Koch <gavin@cygnus.com>
 642
 643         * simops.c (trace_input): Swapped order of operands for output
 644         output of OP_IMM_REG.  Changed the fetching of the operands for
 645         OP_LOAD32, and OP_STORE32 to work like op-function.
 646
 647 Mon Sep 30 15:46:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
 648
 649         * interp.c:  Move includes of remote-sim.h and callback.h to
 650         v850-sim.h.
 651         * (lookup_hash): Add PC to report of hash failure.
 652         * (map load_mem store_mem):  New memory subsystem.  Models V851
 653         memory system.
 654         * (sim_write sim_read):  Use new memory subsystem.
 655         * (sim_resume):  Don't load and save PC into EIPC anymore.  Needed
 656         to make user-defined traps work right.
 657         * simops.c (OP_*):  Use new memory subsystem.
 658         * (OP_14007E0 (reti)):  Implement reti.
 659         * (OP_14996E0 (trap)):  Implement user-defined traps.  Move I/O to
 660         trap 31.  Use new memory subsystem.
 661         * v850_sim.h:  Prototypes for load_mem, store_mem and map.  Use
 662         load_mem in RLW macro.
 663
 664 Fri Sep 27 18:34:09 1996  Stu Grossman  (grossman@critters.cygnus.com)
 665
 666         * gencode.c (write_opcodes):  Output hex values for opcode mask
 667         and patterns.
 668         * interp.c (sim_resume):  Save and restore PC from the appropriate
 669         register.
 670         * (sim_fetch_register sim_store_register):  Fix byte-order problem
 671         with reading and writing registers.
 672         * simops.c (OP_FFFF):  Implement pseudo-breakpoint insn.
 673
 674 Fri Sep 27 17:42:37 1996  Jeffrey A Law  (law@cygnus.com)
 675
 676         * simops.c (trace_input): Fix thinko.
 677
 678 Wed Sep 18 09:54:12 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 679
 680         * simops.c (exec_bfd): Rename from sim_bfd.
 681         (trace_input): Ditto.
 682
 683 Thu Sep 12 12:03:05 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 684
 685         * simops.c (trace_input): Use find_nearest_line to print line
 686         number, function name or file name of PC.
 687
 688 Wed Sep 11 16:44:37 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 689
 690         * simops.c: Add tracing support.  Use SEXTxx macros instead of
 691         doing hardwired shifts.
 692
 693         * configure.in (--enable-sim-cflags): Add switch to add additional
 694         flags to simulator buld.  If --enable-sim-cflags=trace, turn on
 695         tracing.
 696         * configure: Regenerate.
 697
 698         * Makefile.in: Don't require a VPATH capable make if configuring
 699         in the same directory.  Don't use CFLAGS for configuration flags.
 700         Add flags from --enable-sim-cflags.  Support canadian cross
 701         builds.  Rebuild whole simulator if include files change.
 702
 703         * interp.c (v850_debug): New global for debugging.
 704         (lookup_hash,sim_size,sim_set_profile): Use
 705         printf_filtered callback, instead of calling printf directly.
 706         (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
 707
 708         * v850_sim.h: Use limits.h to set the various sized types.
 709         (SEXT{5,7,16,22}): New macros.
 710
 711 Mon Sep  9 20:50:46 1996  Jeffrey A Law  (law@cygnus.com)
 712
 713         * interp.c (hash): Make this an inline function
 714         when compiling with GCC.  Simplify.
 715         * simpos.c: Explicitly include "sys/syscall.h".  Remove
 716         some #if 0'd code.  Enable more emulated syscalls.
 717
 718 Wed Sep  4 01:48:55 1996  Jeffrey A Law  (law@cygnus.com)
 719
 720         * interp.c: Fix sign bit handling for add and sub instructions.
 721
 722 Tue Sep  3 10:20:30 1996  Jeffrey A Law  (law@cygnus.com)
 723
 724         * gencode.c: Fix various indention & style problems.
 725         Remove test code.  Remove #if 0 code.
 726         * interp.c: Provide prototypes for all static functions.
 727         Fix minor indention problems.
 728         (sim_open, sim_resume): Remove unused variables.
 729         (sim_read): Return type is "int".
 730         * simops.c: Remove unused variables.
 731         (divh): Make result of divide-by-zero zero.
 732         (setf): Initialize result to keep compiler quiet.
 733         (sar instructions): These just clear the overflow bit.
 734         * v850_sim.h: Provide prototypes for put_byte, put_half
 735         and put_word.
 736
 737         * interp.c: OP should be an array of 32bit operands!
 738         (v850_callback): Declare.
 739         (do_format_5): Fix extraction of OP[0].
 740         (sim_size): Remove debugging printf.
 741         (sim_set_callbacks): Do something useful.
 742         (sim_stop_reason): Gross hacks to get c-torture running.
 743         * simops.c: Simplify code for computing targets of bCC
 744         insns.   Invert 's' bit if 'ov' bit is set for some
 745         instructions.  Fix 'cy' bit handling for numerous
 746         instructions.  Make the simulator stop when a halt
 747         instruction is encountered.  Very crude support for
 748         emulated syscalls (trap 0).
 749         * v850_sim.h: Include "callback.h" and declare
 750         v850_callback.  Items in the operand array are 32bits.
 751
 752 Sun Sep  1 22:35:35 1996  Jeffrey A Law  (law@cygnus.com)
 753
 754         * interp.c (sim_resume): Fix code to check for a format 3
 755         opcode.
 756         * simops.c: bCC insns only argument is a constant, not a
 757         register value (duh...)
 758
 759 Fri Aug 30 10:33:49 1996  Jeffrey A Law  (law@cygnus.com)
 760
 761         * simops.c: Fix "not1" and "set1".
 762
 763         * simops.c: Don't forget to initialize temp for
 764         "ld.h" and "ld.w"
 765
 766         * interp.c: Remove various debugging printfs.
 767
 768         * simops.c: Fix satadd, satsub boundary case handling.
 769
 770         * interp.c (hash): Fix.
 771         * interp.c (do_format_8): Get operands correctly and
 772         call the target function.
 773         * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
 774
 775 Thu Aug 29 13:53:29 1996  Jeffrey A Law  (law@cygnus.com)
 776
 777         * interp.c (do_format_4): Get operands correctly and
 778         call the target function.
 779         * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
 780         "sst.h", and "sst.w".
 781
 782         * v850_sim.h: The V850 doesn't have split I&D spaces.  Change
 783         accordingly.  Remove many unused definitions.
 784         * interp.c: The V850 doesn't have split I&D spaces.  Change
 785         accordingly.
 786         (get_longlong, get_longword, get_word): Deleted.
 787         (write_longlong, write_longword, write_word): Deleted.
 788         (get_operands): Deleted.
 789         (get_byte, get_half, get_word): New functions.
 790         (put_byte, put_half, put_word): New functions.
 791         * simops.c: Remove unused functions.  Rough cut at
 792         "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
 793
 794         * v850_sim.h (struct _state): Remove "psw" field.  Add
 795         "sregs" field.
 796         (PSW): Remove bogus definition.
 797         * simops.c: Change condition code handling to use the psw
 798         register within the sregs array.  Handle "ldsr" and "stsr".
 799
 800         * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
 801
 802         * interp.c (do_format_5): Get operands correctly and
 803         call the target function.
 804         (sim_resume): Don't do a PC update for format 5 instructions.
 805         * simops.c: Handle "jarl" and "jmp" instructions.
 806
 807         * simops.c: Fix minor typos.  Handle "cmp", "setf", "tst"
 808         "di", and "ei" instructions correctly.
 809
 810         * interp.c (do_format_3): Get operands correctly and call
 811         the target function.
 812         * simops.c: Handle bCC instructions.
 813
 814         * simops.c: Add condition code handling to shift insns.
 815         Fix minor typos in condition code handling for other insns.
 816
 817         * Makefile.in: Fix typo.
 818         * simops.c: Add condition code handling to "sub" "subr" and
 819         "divh" instructions.
 820
 821         * interp.c (hash): Update to be more accurate.
 822         (lookup_hash): Call hash rather than computing the hash
 823         code here.
 824         (do_format_1_2): Handle format 1 and format 2 instructions.
 825         Get operands correctly and call the target function.
 826         (do_format_6): Get operands correctly and call the target
 827         function.
 828         (do_formats_9_10): Rough cut so shift ops will work.
 829         (sim_resume): Tweak to deal with format 1 and format 2
 830         handling in a single funtion.  Don't update the PC
 831         for format 3 insns.  Fix typos.
 832         * simops.c: Slightly reorganize.  Add condition code handling
 833         to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
 834         and "not" instructions.
 835         * v850_sim.h (reg_t): Registers are 32bits.
 836         (_state): The V850 has 32 general registers.  Add a 32bit
 837         psw and pc register too.  Add accessor macros
 838
 839         * Makefile.in, interp.c, v850_sim.h: Bring over endianness
 840         changes from the d10v simulator.
 841
 842         * simops.c: Add shift support.
 843
 844         * simops.c: Add multiply & divide support.  Abort for system
 845         instructions.
 846
 847         * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
 848         and subr.  No condition codes yet.
 849
 850 Wed Aug 28 13:53:22 1996  Jeffrey A Law  (law@cygnus.com)
 851
 852         * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
 853         gencode.c, interp.c, simops.c: Created.
 854