sim/v850/ChangeLog

   1 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * configure.in: Specify NONSTRICT_ALIGNMENT as the default.
   4         * configure: Regenerated to track ../common/aclocal.m4 changes.
   5
   6 Fri Sep 19 10:37:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   7
   8         * v850.igen (disp16): Use EXTEND16 to sign extend disp.
   9         (disp22): Only shift left by 1, not 2.
  10         ("jmp"): Ensure PC is 2 byte aligned.
  11
  12         * simops.c, v850.igen: Move "Bcond", "jr", "jarl" code to
  13         v850.igen. Fix tracing.
  14
  15         * simops.c (OP_300, OP_400, OP_500): Move "sdl.b", "sld.h",
  16         "sld.w" insns to v850.igen.  Fix tracing.
  17 start-sanitize-v850eq
  18         (OP_70): Ditto for "sld.hu".
  19 end-sanitize-v850eq
  20
  21         * v850.igen: Clarify tracing of "sld.b", "sld.h" et.al.
  22
  23 end-sanitize-v850eq
  24         * simops.c (condition_met): Make global.
  25
  26         * sim-main.h (TRACE_ALU_INPUT3, TRACE_BRANCH0, TRACE_LD,
  27         TRACE_ST): Define.
  28 start-sanitize-v850eq
  29         (TRACE_LD_NAME): Define.
  30 end-sanitize-v850eq
  31
  32 start-sanitize-v850e
  33         * simops.c: Move "cmov", "cmov imm" to v850.igen, fix.
  34
  35 end-sanitize-v850e
  36 Wed Sep 17 16:21:08 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  37
  38         * simops.c: Move "mov", "reti", to v850.igen, fix tracing.
  39
  40         * interp.c (hash): Delete.
  41
  42         * v850.igen (nop): Really do nothing.
  43
  44         * interp.c (do_interrupt): Mask interrupts after PSW is saved, not
  45         before.
  46         * v850.igen (reti): Return to current PC not previous.
  47
  48 start-sanitize-v850e
  49 Wed Sep 17 14:02:10 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  50
  51         * simops.c: Move "ctret", "bsw", "hsw" to v850.igen, fix tracing.
  52         (trace_module): Global, save component/module name across insn.
  53
  54         * simops.c: Move "bsh" to v850.igen, fix.
  55
  56         * v850.igen (callt): Load correct number of bytes. Fix tracing.
  57         (stsr, ldsr): Correct src, dest fields. Fix tracing.
  58         (ctret): Force alignment.  Fix tracing.
  59
  60 end-sanitize-v850e
  61 Tue Sep 16 22:14:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  62
  63         * simops.c (trace_output): Add result argument.
  64         (trace_result): New function.  Simpler version of trace_output,
  65         assumes trace needed.
  66         (trace_output): Call trace_result.
  67         (trace_output): For IMM_REG_REG, trace correct register.
  68         (trace_input): Add case for 16bit immediates.
  69         (OP_600, OP_640, OP_680, OP_6C0, OP_6A0): Use.
  70
  71         * sim-main.h (TRACE_ALU_INPUT, TRACE_ALU_RESULT): Define.
  72         (trace_values, trace_name, trace_pc, trace_num_values): Make
  73         global.
  74         (GR, SR): Define.
  75
  76         v850.insn (movea, stsr): Use.
  77 start-sanitize-v850e
  78         (sxb, sxh, zxb, zxh): Ditto.
  79 end-sanitize-v850e
  80
  81 Tue Sep 16 21:14:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  82
  83         * simops.c: Move "movea" from here.
  84         * v850.igen: To here.
  85
  86         * v850.igen (simm16): Define, sign extend imm16.
  87         (uimm16): Define, no sign extension.
  88         (addi, andi, movea, movhi, mulhi, ori, satsubi, xori): Use.
  89
  90 start-sanitize-v850e
  91         * simops.c: Move "sxh", "switch", "sxb", "callt", "dispose",
  92         "mov32" from here.
  93         * v850.igen: To here.
  94         (switch): Fix off by two error in NIA calc.
  95
  96 end-sanitize-v850e
  97 Tue Sep 16 15:14:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  98
  99         * simops.c (trace_pc, trace_name, trace_values, trace_num_values):
 100         New static globals.
 101         (trace_input): Just save pc, name and values for trace_output.
 102         (trace_output): Write trace values to a buffer.  Use
 103         trace_one_insn to print trace info and buffer.
 104         (SIZE_OPERANDS, SIZE_LOCATION): Delete.
 105
 106 Tue Sep 16 09:02:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 107
 108         * sim-main.h (struct _sim_cpu): Add psw_mask so that reserved bits
 109         can be masked out.
 110
 111         * simops.c (OP_2007E0, OP_4007E0): Move "ldsr", "stsr"
 112         instructions from here.
 113         * v850.igen (ldsr, stsr): To here.  Mask out reserved bits when
 114         setting PSW.
 115
 116         * interp.c (sim_open): Set psw_mask if machine known.
 117
 118 Tue Sep 16 10:20:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 119
 120 start-sanitize-v850e
 121         * v850-dc: Add rule to diferentiate between breakpoint and divh.
 122         * v850.igen (break): New instruction, breakpoint simulator.
 123
 124 end-sanitize-v850e
 125         * v850.igen (breakpoint): Enable.  Change to a 32bit instruction.
 126
 127 start-sanitize-v850e
 128 Mon Sep 15 18:44:05 1997  Jim Wilson  <wilson@cygnus.com>
 129
 130         * simops.c (Multiply64): Don't store into register zero.
 131
 132 end-sanitize-v850e
 133 Tue Sep 16 09:02:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 134
 135         * Makefile.in (semantics.o): Add dependency.
 136
 137         * sim-main.h (SAVE_1, SAVE_2): Perform backward compatible save,
 138         do not adjust CIA/NIA.
 139
 140 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 141
 142 start-sanitize-v850eq
 143         * simops.c (OP_300, OP_400, OP_70): Make behavour depend on PSW[US].
 144
 145         * simops.c: Move "divun", "sld.bu", "divhn", "divhun", "divn",
 146         "divun", "pushml" code from here to v850.igen.
 147         (divun): Make global.
 148         (type3_regs): Make global
 149
 150         * v850.igen: Move simops.c code to here.
 151
 152         * interp.c (sim_create_inferior): For v850eq set US bit by
 153         default.
 154
 155 end-sanitize-v850eq
 156 start-sanitize-v850e
 157         * interp.c (sim_open): Don't set arch, now set by
 158         sim_analyze_program.
 159
 160 end-sanitize-v850e
 161         * configure: Regenerated to track ../common/aclocal.m4 changes.
 162
 163 Mon Sep 15 14:39:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 164
 165         * simops.c (op_types): Move from here.
 166         sim-main.h: To here.
 167
 168         * sim-main.h (trace_input, trace_output), simops.c: Make global.
 169
 170         * simops.c (OP_60): Move "jmp" code from here.
 171         * v850.igen (jmp): To here.
 172
 173 start-sanitize-v850eq
 174         * simops.c (OP_60): Move "sld.bu" code from here.
 175         * v850.igen (sld.bu): To here.
 176
 177 end-sanitize-v850eq
 178 Fri Sep 12 15:11:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 179
 180 start-sanitize-v850eq
 181         * v850.igen (prepare, ...): Add to v850eq architecture.
 182
 183 end-sanitize-v850eq
 184 start-sanitize-v850e
 185         * interp.c (sim_open): Default to v850eq.
 186
 187 end-sanitize-v850e
 188 start-sanitize-v850eq
 189
 190         * interp.c (sim_open): Default to v850e.
 191 end-sanitize-v850eq
 192         * sim-main.h (signal.h): Include.
 193
 194         * v850.igen (illegal): Report/halt illegal instructions.
 195
 196         * Makefile.in (SIM_EXTRA_CFLAGS): Add SIM_RESERVED_BITS.
 197
 198         * configure.in: Add reserved bits option.
 199         * configure: Regenerate.
 200
 201 Thu Sep 11 08:40:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 202
 203         * interp.c (sim_open): Use sim_do_commandf instead of asprintf.
 204
 205         * sim-main.h (INSN_NAME):
 206
 207         * Makefile.in (INCLUDE): Add SIM_EXTRA_DEPS.
 208         (SIM_EXTRA_DEPS): Add itable.h
 209         (tmp-gencode): Does not depend on simops.h
 210
 211         * sim-main.h (itable.h): Include.
 212         (MAX_INSNS, INSN_NAME): Define.
 213
 214         * interp.c: Compute inttype from the interrupt_names index that
 215         was passed in.
 216
 217 Wed Sep 10 10:25:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 218
 219         * simops.c (trace_input): Use trace_printf instead of
 220         sim_io_printf.
 221         (trace_output): Ditto.
 222         (trace_input): Only trace when TRACE_ALU_P.  Delete code
 223         disasembling instruction.
 224         (trace_output): Only trace when TRACE_ALU_P.
 225
 226 Tue Sep  9 01:29:50 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 227
 228         * simops.c (trace_input, trace_output): Use sim_io_printf.
 229         (OP_620): Pass correct argument to trace.
 230         (OP_E607E0): Ditto.
 231         (trace_input): Obtain prog_bfd, text_start et.al from simulator
 232         struct.
 233
 234 Mon Sep  8 21:03:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 235
 236         * v850.igen: New file.
 237         * v850-dc: New file.
 238
 239 Mon Sep  8 18:33:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 240
 241
 242         * sim-main.h (SEXT16): Delete, use EXTEND16.
 243         (SEXT8): Delete, use EXTEND8.
 244         (SEXT32): Delete, used?
 245         (SEXT40, SEXT44, SEXT64): Use UNSIGNED64 for constants, not ...LL.
 246         (WITH_TARGET_WORD_MSB): Define as 31. v850 little bit endian.
 247
 248         * simops.c: Use EXTEND15 from sim-bits instead of SEXT16.
 249
 250         * sim-main.h (DEBUG_TRACE, DEBUG_VALUES, v850_debug): Delete,
 251         replace with TRACE_INSN_P and TRACE_ALU_P.
 252
 253         * simops.c (trace_input, trace_output): Update.
 254
 255         * interp.c (sim_engine_run): Delete.
 256         (lookup_hash): Delete.
 257         (sim_open): Do not fill hash table.
 258         (sim_trace): Delete.
 259
 260 Fri Sep  5 17:04:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 261
 262         * simops.c (OP_FFFF): Use sim_engine_halt.
 263         (OP_12007E0): Ditto.
 264         (OP_10007E0): Ditto.
 265
 266         * sim-main.h (struct sim_cpu): Delete member exception. Using
 267         sim-engine et.al.
 268
 269         * interp.c (sim_info): Do not do anything in sim-info.
 270         (sim_stop): Delete, replace with sim-stop.
 271         (sim_stop_reason): Delete, replace with sim-reason.
 272
 273         * sim-main.h (WITH_WATCHPOINTS): Define.
 274         (WITH_MODULO_MEMORY): Define
 275
 276         * Makefile.in (SIM_OBJS): Add sim-resume, sim-watch, sim-stop,
 277         sim-reason.
 278
 279         * interp.c (enum interrupt_cond_type): Delete.
 280         (struct interrupt_generator): Delete.
 281         (enum interrupt_type): Drop int_none.
 282         (sim_open): Initialize WATCHPOINT module.
 283         (sim_resume, sim_run): Rename sim_resume to sim_run.
 284         (sim_engine_run): Replace interrupt code with call to sim-events.
 285         (sim_set_interrupt): Delete.
 286         (sim_parse_number): Delete.
 287
 288 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 289
 290         * configure: Regenerated to track ../common/aclocal.m4 changes.
 291
 292 Thu Sep  4 18:11:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 293
 294         * simops.c (fetch_argv): New function, fetch a arg vector from
 295         simulator memory.
 296
 297         * configure.in: Check for fork, execve, execv.
 298         * configure: Regenerate.
 299
 300         * interp.c (sim_store_register, sim_fetch_register): Use H2T_4 and
 301         T2H_4 for byte swapping.
 302
 303         * sim-main.h, interp.c (get_word, get_half, get_byte, put_word,
 304         put_half, put_byte): Delete.
 305
 306         * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
 307
 308         * sim-main.h (load_mem, store_mem): Redefine as macros.
 309         (IMEM, IMEM_IMMED): New macros - fetch instructions.
 310
 311         * simops.c (OP_10007E0): For SYS_read, SYS_write, SYS_open
 312         transfer data via a buffer.
 313         (fetch_str): New function, fetch string from memory.
 314
 315         * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
 316
 317         * interp.c (sim_open): Establish memory maps using sim-memopt.c
 318         via sim_do_command.
 319         (sim_do_command): Print error if memory-map command is used. Call
 320         sim_args_command.
 321         (map): Delete, replaced by sim-core.
 322         (sim_memory_init): Delete, replaced by sim-core.
 323         (sim_set_memory_map): Delete, replaced by sim-memopt.
 324         (load_mem): Delete, replaced by sim-core.
 325         (store_mem): Delete, replaced by sim-core.
 326         (sim_write): Delete, replaced by sim-hrw.
 327         (sim_read): Delete, replaced by sim-hrw.
 328
 329         * sim-main.h (struct sim_state): Remove memory members, using
 330         sim-core.c
 331
 332 Wed Sep  3 10:18:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 333
 334         * sim-main.h: Replace SIM_HAVE_FLATMEM with mem ptr.
 335         * interp.c (map): Do not add to a void pointer.
 336
 337         * Makefile.in (INCLUDE): Add sim-main.h
 338
 339         * configure.in: Check for time.h
 340         * configure: Re-generate.
 341
 342         * interp.c (struct interrupt_generator): Make time unsigned long,
 343         address SIM_ADDR.
 344         (sim_resume): Make oldpc SIM_ADDR.
 345         (struct hash_entry): Make mask/opcode unsigned.
 346
 347         * v850_sim.h (struct simops ): Make opcode and mask unsigned.
 348
 349         * simops.c (utime.h): Include if available.
 350         (OP_10007E0): Check for UTIME function.
 351         (divun): Put parentheses around shift argument.
 352         (OP_640): Put parentheses around shift argument, was wrong.
 353         (OP_107F0): Return something.
 354
 355         * interp.c (sim_parse_number): Use strtoul not strtol.
 356         (sim_resume): Use sim_elapsed_time_get to keep track of the time.
 357
 358         * configure.in (SIM_AC_OPTION_WARNINGS): Add.
 359         (SIM_AC_OPTION_ENDIAN): Set to hardwired big.
 360         (SIM_AC_OPTION_HOST_ENDIAN): Add.
 361         (AC_CHECK_FUNCS): Add utime.
 362         (AC_CHECK_HEADERS): Add stdlib.h, string.h, strings.h, utime.h
 363         configure: Regenerate.
 364
 365
 366         * Makefile.in (SIM_RUN_OBJS): Use nrun.o.
 367         (SIM_OBJS): Add sim-io.o, sim-hload.o, sim-utils.o, sim-options.o,
 368         sim-config.o, sim-module.o, sim-events.o, sim-core.o,
 369         sim-endian.o, sim-engine.o, sim-trace.o, sim-profile.o
 370         (SIM_ENDIAN, SIM_WARNGINS): Define.
 371
 372         * simops.c (OP_10007E0): Use sim_io_* for transfers.
 373
 374         * interp.c (sim_resume): Pass sd around.
 375
 376         * simops.c (sim-main.h): Include.
 377
 378         * gencode.c (write_template): Generate #include sim-main.h.
 379         (write_opcodes): Ditto.
 380
 381         * interp.c (prog_bfd, prog_bfd_was_opened_p): Delete.
 382         (v850_callback): Ditto.
 383         (sim_kind, myname): Ditto.
 384         (lookup_hash): Pass SD. Use sim_io_error.
 385         (sim_set_memory_map): Pass in SD, use.
 386         (init_system): Pass in SD, use.
 387         (sim_open): Update.
 388         (sim_set_profile): Delete.
 389         (sim_set_profile_size): Delete.
 390         (do_interrupt): Pass in SD, use.
 391         (sim_info): Use sim_io_printf.
 392         (sim_create_inferior): Reset registers.  Set PC from prog_bfd
 393         argument.
 394         (sim_load): Delete, use common/sim-hload.c
 395         (sim_size): Rename to sim_memory_init.
 396         (sim_write): Remove call to init_system.
 397         (init_system): Delete.
 398         (sim_set_callbacks): Delete.
 399         (sim_set_interrupt): Pass in SD, use.
 400         (start_time): Delete.
 401
 402         * v850_sim.h: Remove everything except `struct simops' from here.
 403         * sim-main.h: Move most to here.
 404         * gencode.c: Move #includes to here.
 405
 406         * sim-main.h(struct _sim_cpu): Rename struct _state.
 407         (#define PC, et.al.): Update
 408         (v850_callback): Delete.  Replaced with SIM_DESC arg.
 409         (int8, uint8, int16, uint16, int32, uint32): Define types using
 410         unsigned8 et.al from common/sim-types.h.
 411         * sim-main.h (State): Define as STATE_CPU.
 412
 413 Mon Sep  1 12:07:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 414
 415         * configure.in: Check for time, chmod.
 416         * configure: Regenerate.
 417         * simops.c (SYS_time, SYS_chmod): Use HAVE_TIME, HAVE_CHMOD.
 418
 419         * simops.c (../../libgloss/v850/sys/syscall.h): Include instead of
 420         sys/syscall.h.
 421         (OP_10007E0): Check the existance each SYS_* macro independantly.
 422
 423         * v850_sim.h (SIGQUIT, SIGTRAP): Only define if missing.
 424
 425 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 426
 427         * configure: Regenerated to track ../common/aclocal.m4 changes.
 428         * config.in: Ditto.
 429
 430 Tue Aug 26 10:42:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 431
 432         * interp.c (sim_kill): Delete.
 433         (sim_create_inferior): Add ABFD argument.
 434         (sim_load): Move setting of PC from here.
 435         (sim_create_inferior): To here.
 436
 437 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 438
 439         * configure: Regenerated to track ../common/aclocal.m4 changes.
 440         * config.in: Ditto.
 441
 442 Mon Aug 25 11:31:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 443
 444         * interp.c (sim_open): Add ABFD argument.
 445
 446 start-sanitize-v850e
 447 Fri Aug 22 10:39:28 1997  Nick Clifton  <nickc@cygnus.com>
 448
 449         * simops.c (bsh): Only set CY flag if either of the bottom
 450         bytes is zero.
 451
 452         * simops.c (prepare, dispose): Lower numbered
 453         registers go to higher numbered address.
 454
 455         * simops.c (unsigned divide instructions): S bit set if result has
 456         top bit set.
 457
 458 start-sanitize-v850eq
 459         * simops.c (pushml, pushmh, popml, popmh): Lower numbered
 460         registers go to higher numbered address.
 461 end-sanitize-v850eq
 462 end-sanitize-v850e
 463
 464 Wed Aug 20 13:56:35 1997  Nick Clifton  <nickc@cygnus.com>
 465
 466         * simops.c (OP_107E0, OP_107F0, OP_307E0, OP_307F0): Use correct
 467         interpretation of SR bit in list18 structure.
 468 start-sanitize-v850eq
 469         (divn, divun): New functions to perform N step divide functions.
 470 end-sanitize-v850eq
 471
 472 start-sanitize-v850eq
 473 Mon Aug 18 10:59:02 1997  Nick Clifton  <nickc@cygnus.com>
 474
 475         * simops.c (OP_300, OP_400, OP_60, OP_70): Support variant opcodes
 476         with US bit set in the PSW.
 477 end-sanitize-v850eq
 478
 479 Wed Aug 13 19:06:55 1997  Nick Clifton  <nickc@cygnus.com>
 480
 481         * interp.c (sim_resume): Opcode functions return amount to be
 482         added to PC and all opcodes take a standard format in the OP[]
 483         array.
 484
 485         (do_format_*): Functions removed.
 486
 487         * v850_sim.h (SP, EP): New register mnemonics.
 488
 489         * gencode.c (write_header): Functions prototypes return an
 490         integer.
 491
 492         * simops.c: Opcode functions return amount to be added to PC.
 493
 494 start-sanitize-v850e
 495         * v850_sim.h (CTPC, CTPSW, CTBP): New register mnemonics.
 496
 497         * simops.c: Add support for v850e instructions.
 498
 499 end-sanitize-v850e
 500
 501 start-sanitize-v850eq
 502         * simops.c: Add support for v850eq instructions.
 503 end-sanitize-v850eq
 504
 505 Tue May 20 10:24:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 506
 507         * interp.c (sim_open): Add callback argument.
 508         (sim_set_callbacks): Delete SIM_DESC argument.
 509
 510 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 511
 512         * configure: Regenerated to track ../common/aclocal.m4 changes.
 513
 514 Wed Apr 23 17:20:16 1997  Doug Evans  <dje@canuck.cygnus.com>
 515
 516         * interp.c (prog_bfd_was_opened_p): New static local.
 517         (prog_bfd): New global variable.
 518         (sim_open): Undo patch to add -E support.
 519         (sim_close): Close prog_bfd if sim_load opened it.
 520         (sim_load): Record bfd of loaded file in prog_bfd.
 521         * simops.c (prog_bfd): Renamed from exec_bfd.
 522
 523 Fri Apr 18 14:17:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 524
 525         * interp.c (sim_stop): Stub function.
 526
 527 Thu Apr 17 03:53:18 1997  Doug Evans  <dje@canuck.cygnus.com>
 528
 529         * Makefile.in (SIM_OBJS): Add sim-load.o.
 530         * interp.c (sim_kind, myname): New static locals.
 531         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 532         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
 533         load file into simulator.  Set start address from bfd.
 534         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 535
 536 Wed Apr 16 19:53:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 537
 538         * simops.c (OP_10007E0): Only provide system calls SYS_execv,
 539         SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
 540
 541 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 542
 543         * configure: Regenerated to track ../common/aclocal.m4 changes.
 544         * config.in: Ditto.
 545
 546 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 547
 548         * interp.c (sim_open): New arg `kind'.
 549
 550         * configure: Regenerated to track ../common/aclocal.m4 changes.
 551
 552 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 553
 554         * configure: Regenerated to track ../common/aclocal.m4 changes.
 555
 556 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 557
 558         * configure: Regenerated to track ../common/aclocal.m4 changes.
 559
 560 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 561
 562         * configure: Re-generate.
 563
 564 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 565
 566         * configure: Regenerate to track ../common/aclocal.m4 changes.
 567
 568 Thu Mar 13 13:00:54 1997  Doug Evans  <dje@canuck.cygnus.com>
 569
 570         * interp.c (sim_open): New SIM_DESC result.  Argument is now
 571         in argv form.
 572         (other sim_*): New SIM_DESC argument.
 573
 574 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 575
 576         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 577         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 578         * configure.in: sinclude ../common/aclocal.m4.
 579         * configure: Regenerated.
 580
 581 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 582
 583         * configure configure.in Makefile.in:  Update to new configure
 584         scheme which is more compatible with WinGDB builds.
 585         * configure.in:  Improve comment on how to run autoconf.
 586         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 587         * Makefile.in:  Use autoconf substitution to install common
 588         makefile fragment.
 589
 590 Mon Jan 20 16:05:34 1997  Michael Meissner  <meissner@tiktok.cygnus.com>
 591
 592         * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
 593         not zero extend.
 594
 595 Tue Jan 14 17:06:03 1997  Stu Grossman  (grossman@critters.cygnus.com)
 596
 597         * simops.c:  Put ifdefs around things to make MSVC happy.  Get rid
 598         of unistd.h.  Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
 599         SYS_gettimeofday and SYS_utime from MSVC.
 600
 601 Tue Dec 31 18:11:13 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 602
 603         * simops.c (OP_10007E0): Know that kill encodes the signal number
 604         via: 0xdead0000 | signal and turn it back into a signal.
 605
 606 Fri Dec 27 14:44:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 607
 608         * v850_sim.h (SIG_V850_EXIT): Define as -1.
 609
 610         * interp.c (sim_open): Cast calloc function.
 611         (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
 612         program exited with the appropriate exit code.
 613         (sim_set_interrupt): Declare buildargv.
 614
 615         * simops.c (OP_10007E0): Make exit signal normal exit.  Make time
 616         type correct and work on big endian systems.
 617
 618 Wed Nov 20 02:18:44 1996  Doug Evans  <dje@canuck.cygnus.com>
 619
 620         * Makefile.in: Delete stuff moved to ../common/Make-common.in.
 621         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
 622         * configure.in: Simplify using macros in ../common/aclocal.m4.
 623         Call AC_CHECK_HEADERS(unistd.h).
 624         * configure: Regenerated.
 625         * config.in: New file.
 626         * simops.c: #include "config.h".  #include <unistd.h> if present.
 627
 628 Sun Nov  3 23:02:54 1996  Stan Shebs  <shebs@andros.cygnus.com>
 629
 630         * v850_sim.h (State): New slots dummy_mem, pending_nmi.
 631         (EIPC, etc): New macros for system registers.
 632         * simops.c, interp.c: Use everywhere.
 633
 634         * interp.c: Add support for interrupts issued by interrupt
 635         generators, either PC- or time-based.  Controlled by simulator
 636         command "sim interrupt".
 637
 638         * interp.c: Add support for variable-size allocation of memory,
 639         via simulator command "sim memory-map".
 640         (map): Issue SIGSEGV for references to invalid memory regions.
 641
 642 Thu Oct 31 14:44:10 1996  Gavin Koch  <gavin@cygnus.com>
 643
 644         * simops.c: Include <sys/time.h> for struct timeval and
 645         struct timezone.
 646
 647 Wed Oct 30 08:49:10 1996  Jeffrey A Law  (law@cygnus.com)
 648
 649         * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
 650
 651         * simops.c (OP_10007E0): Handle SYS_time.
 652
 653 Tue Oct 29 14:22:55 1996  Jeffrey A Law  (law@cygnus.com)
 654
 655         * simops.c: Include <sys/stat.h>.
 656         (OP_10007E0): Handle SYS_stat.
 657
 658 Thu Oct 24 12:26:35 1996  Jeffrey A Law  (law@cygnus.com)
 659
 660         * simops.c (OP_10007E0): Don't declare errno.
 661
 662         * simops.c (OP_500): Mask off low bit in displacement
 663         for sld.w.
 664         (OP_501): Similarly.
 665
 666         * simops.c (OP_500): Fix displacement handling for sld.w.
 667         (OP_501): Similarly for sst.w.
 668
 669         * simops.c (trace_input): Remove all references to SEXT7.
 670         (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
 671         is zero extended for sst/sld instructions.
 672         * v850_sim.h (SEX7): Delete.  It's no longer needed (and it
 673         was incorrect anyway).
 674
 675 Thu Oct 24 10:33:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
 676
 677         * Makefile.in:  Get rid of srcroot.  Set all INSTALL macros via
 678         autoconf.
 679         * gencode.c (write_opcodes):  Pad operands field to account for
 680         MSVC braindamage.
 681         * simops.c:  Include errno.h.  Exclude SYS_chown, since MSVC
 682         doesn't support it.  (Why is this here in the first place?!?)
 683         * v850_sim.h:  Get rid of 64 bit defs.  Also, get rid of #elif's.
 684         Change number of operands in struct simops from 9 to 6.  Define
 685         SIGTRAP and SIGQUIT for MSVC.
 686
 687 Tue Oct 15 16:19:51 1996  Stu Grossman  (grossman@critters.cygnus.com)
 688
 689         * interp.c (MEM_SIZE):  It's now bytes, not a power of 2.
 690         * (map):  Add support for external mem in the 1->2 meg range.
 691         Also, abort() when memory access is way out of bounds.  (Better to
 692         die than to give wrong result.  (This will be fixed later.))
 693         * (sim_size):  MEM_SIZE is now bytes, not shift factor.
 694
 695 Tue Oct  1 15:53:24 1996  Gavin Koch <gavin@cygnus.com>
 696
 697         * simops.c (trace_input): Swapped order of operands for output
 698         output of OP_IMM_REG.  Changed the fetching of the operands for
 699         OP_LOAD32, and OP_STORE32 to work like op-function.
 700
 701 Mon Sep 30 15:46:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
 702
 703         * interp.c:  Move includes of remote-sim.h and callback.h to
 704         v850-sim.h.
 705         * (lookup_hash): Add PC to report of hash failure.
 706         * (map load_mem store_mem):  New memory subsystem.  Models V851
 707         memory system.
 708         * (sim_write sim_read):  Use new memory subsystem.
 709         * (sim_resume):  Don't load and save PC into EIPC anymore.  Needed
 710         to make user-defined traps work right.
 711         * simops.c (OP_*):  Use new memory subsystem.
 712         * (OP_14007E0 (reti)):  Implement reti.
 713         * (OP_14996E0 (trap)):  Implement user-defined traps.  Move I/O to
 714         trap 31.  Use new memory subsystem.
 715         * v850_sim.h:  Prototypes for load_mem, store_mem and map.  Use
 716         load_mem in RLW macro.
 717
 718 Fri Sep 27 18:34:09 1996  Stu Grossman  (grossman@critters.cygnus.com)
 719
 720         * gencode.c (write_opcodes):  Output hex values for opcode mask
 721         and patterns.
 722         * interp.c (sim_resume):  Save and restore PC from the appropriate
 723         register.
 724         * (sim_fetch_register sim_store_register):  Fix byte-order problem
 725         with reading and writing registers.
 726         * simops.c (OP_FFFF):  Implement pseudo-breakpoint insn.
 727
 728 Fri Sep 27 17:42:37 1996  Jeffrey A Law  (law@cygnus.com)
 729
 730         * simops.c (trace_input): Fix thinko.
 731
 732 Wed Sep 18 09:54:12 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 733
 734         * simops.c (exec_bfd): Rename from sim_bfd.
 735         (trace_input): Ditto.
 736
 737 Thu Sep 12 12:03:05 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 738
 739         * simops.c (trace_input): Use find_nearest_line to print line
 740         number, function name or file name of PC.
 741
 742 Wed Sep 11 16:44:37 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 743
 744         * simops.c: Add tracing support.  Use SEXTxx macros instead of
 745         doing hardwired shifts.
 746
 747         * configure.in (--enable-sim-cflags): Add switch to add additional
 748         flags to simulator buld.  If --enable-sim-cflags=trace, turn on
 749         tracing.
 750         * configure: Regenerate.
 751
 752         * Makefile.in: Don't require a VPATH capable make if configuring
 753         in the same directory.  Don't use CFLAGS for configuration flags.
 754         Add flags from --enable-sim-cflags.  Support canadian cross
 755         builds.  Rebuild whole simulator if include files change.
 756
 757         * interp.c (v850_debug): New global for debugging.
 758         (lookup_hash,sim_size,sim_set_profile): Use
 759         printf_filtered callback, instead of calling printf directly.
 760         (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
 761
 762         * v850_sim.h: Use limits.h to set the various sized types.
 763         (SEXT{5,7,16,22}): New macros.
 764
 765 Mon Sep  9 20:50:46 1996  Jeffrey A Law  (law@cygnus.com)
 766
 767         * interp.c (hash): Make this an inline function
 768         when compiling with GCC.  Simplify.
 769         * simpos.c: Explicitly include "sys/syscall.h".  Remove
 770         some #if 0'd code.  Enable more emulated syscalls.
 771
 772 Wed Sep  4 01:48:55 1996  Jeffrey A Law  (law@cygnus.com)
 773
 774         * interp.c: Fix sign bit handling for add and sub instructions.
 775
 776 Tue Sep  3 10:20:30 1996  Jeffrey A Law  (law@cygnus.com)
 777
 778         * gencode.c: Fix various indention & style problems.
 779         Remove test code.  Remove #if 0 code.
 780         * interp.c: Provide prototypes for all static functions.
 781         Fix minor indention problems.
 782         (sim_open, sim_resume): Remove unused variables.
 783         (sim_read): Return type is "int".
 784         * simops.c: Remove unused variables.
 785         (divh): Make result of divide-by-zero zero.
 786         (setf): Initialize result to keep compiler quiet.
 787         (sar instructions): These just clear the overflow bit.
 788         * v850_sim.h: Provide prototypes for put_byte, put_half
 789         and put_word.
 790
 791         * interp.c: OP should be an array of 32bit operands!
 792         (v850_callback): Declare.
 793         (do_format_5): Fix extraction of OP[0].
 794         (sim_size): Remove debugging printf.
 795         (sim_set_callbacks): Do something useful.
 796         (sim_stop_reason): Gross hacks to get c-torture running.
 797         * simops.c: Simplify code for computing targets of bCC
 798         insns.   Invert 's' bit if 'ov' bit is set for some
 799         instructions.  Fix 'cy' bit handling for numerous
 800         instructions.  Make the simulator stop when a halt
 801         instruction is encountered.  Very crude support for
 802         emulated syscalls (trap 0).
 803         * v850_sim.h: Include "callback.h" and declare
 804         v850_callback.  Items in the operand array are 32bits.
 805
 806 Sun Sep  1 22:35:35 1996  Jeffrey A Law  (law@cygnus.com)
 807
 808         * interp.c (sim_resume): Fix code to check for a format 3
 809         opcode.
 810         * simops.c: bCC insns only argument is a constant, not a
 811         register value (duh...)
 812
 813 Fri Aug 30 10:33:49 1996  Jeffrey A Law  (law@cygnus.com)
 814
 815         * simops.c: Fix "not1" and "set1".
 816
 817         * simops.c: Don't forget to initialize temp for
 818         "ld.h" and "ld.w"
 819
 820         * interp.c: Remove various debugging printfs.
 821
 822         * simops.c: Fix satadd, satsub boundary case handling.
 823
 824         * interp.c (hash): Fix.
 825         * interp.c (do_format_8): Get operands correctly and
 826         call the target function.
 827         * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
 828
 829 Thu Aug 29 13:53:29 1996  Jeffrey A Law  (law@cygnus.com)
 830
 831         * interp.c (do_format_4): Get operands correctly and
 832         call the target function.
 833         * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
 834         "sst.h", and "sst.w".
 835
 836         * v850_sim.h: The V850 doesn't have split I&D spaces.  Change
 837         accordingly.  Remove many unused definitions.
 838         * interp.c: The V850 doesn't have split I&D spaces.  Change
 839         accordingly.
 840         (get_longlong, get_longword, get_word): Deleted.
 841         (write_longlong, write_longword, write_word): Deleted.
 842         (get_operands): Deleted.
 843         (get_byte, get_half, get_word): New functions.
 844         (put_byte, put_half, put_word): New functions.
 845         * simops.c: Remove unused functions.  Rough cut at
 846         "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
 847
 848         * v850_sim.h (struct _state): Remove "psw" field.  Add
 849         "sregs" field.
 850         (PSW): Remove bogus definition.
 851         * simops.c: Change condition code handling to use the psw
 852         register within the sregs array.  Handle "ldsr" and "stsr".
 853
 854         * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
 855
 856         * interp.c (do_format_5): Get operands correctly and
 857         call the target function.
 858         (sim_resume): Don't do a PC update for format 5 instructions.
 859         * simops.c: Handle "jarl" and "jmp" instructions.
 860
 861         * simops.c: Fix minor typos.  Handle "cmp", "setf", "tst"
 862         "di", and "ei" instructions correctly.
 863
 864         * interp.c (do_format_3): Get operands correctly and call
 865         the target function.
 866         * simops.c: Handle bCC instructions.
 867
 868         * simops.c: Add condition code handling to shift insns.
 869         Fix minor typos in condition code handling for other insns.
 870
 871         * Makefile.in: Fix typo.
 872         * simops.c: Add condition code handling to "sub" "subr" and
 873         "divh" instructions.
 874
 875         * interp.c (hash): Update to be more accurate.
 876         (lookup_hash): Call hash rather than computing the hash
 877         code here.
 878         (do_format_1_2): Handle format 1 and format 2 instructions.
 879         Get operands correctly and call the target function.
 880         (do_format_6): Get operands correctly and call the target
 881         function.
 882         (do_formats_9_10): Rough cut so shift ops will work.
 883         (sim_resume): Tweak to deal with format 1 and format 2
 884         handling in a single funtion.  Don't update the PC
 885         for format 3 insns.  Fix typos.
 886         * simops.c: Slightly reorganize.  Add condition code handling
 887         to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
 888         and "not" instructions.
 889         * v850_sim.h (reg_t): Registers are 32bits.
 890         (_state): The V850 has 32 general registers.  Add a 32bit
 891         psw and pc register too.  Add accessor macros
 892
 893         * Makefile.in, interp.c, v850_sim.h: Bring over endianness
 894         changes from the d10v simulator.
 895
 896         * simops.c: Add shift support.
 897
 898         * simops.c: Add multiply & divide support.  Abort for system
 899         instructions.
 900
 901         * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
 902         and subr.  No condition codes yet.
 903
 904 Wed Aug 28 13:53:22 1996  Jeffrey A Law  (law@cygnus.com)
 905
 906         * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
 907         gencode.c, interp.c, simops.c: Created.
 908