sim/v850/ChangeLog

   1 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
   2
   3         * configure: Regenerated to track ../common/aclocal.m4 changes.
   4         * config.in: Ditto.
   5
   6 Fri Apr 24 11:18:08 1998  Tom Tromey  <tromey@cygnus.com>
   7
   8         * configure.in: Don't call sinclude.
   9
  10 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  11
  12         * configure: Regenerated to track ../common/aclocal.m4 changes.
  13         * sim-main.h (SIM_MAIN_H): Wrap header.
  14
  15 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  16
  17         * configure: Regenerated to track ../common/aclocal.m4 changes.
  18
  19 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  20
  21         * configure: Regenerated to track ../common/aclocal.m4 changes.
  22
  23 Tue Mar 10 15:54:50 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  24
  25         * interp.c (sim_stop): Delete, second attempt.
  26
  27 Thu Feb 26 19:09:47 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  28
  29         * interp.c (sim_info): Delete.
  30
  31 Wed Feb 18 10:47:32 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  32
  33         * sim-main.h (TRACE_ALU_INPUT*): Delete.  Moved to sim-trace.[hc].
  34
  35         * simops.c (trace_result): Call trace_generic instead of
  36         trace_one_insn.
  37         (trace_module): Change variable type to integer.
  38         (trace_input): Initialize trace_module with TRACE_ALU_IDX.
  39
  40         * sim-main.h (trace_module): Change variable decl to integer type.
  41         (TRACE_BRANCH*, TRACE_LD, TRACE_ST): Update.
  42
  43 Tue Feb 17 12:51:18 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  44
  45         * interp.c (sim_store_register, sim_fetch_register): Pass in
  46         length parameter.  Return -1.
  47
  48 Tue Feb  3 16:24:42 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  49
  50         * sim-main.h (IMEM16, IMEM16_IMMED): Rename IMEM and
  51         IMEM_IMMED. To match recent igen change.
  52
  53 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  54
  55         * configure: Regenerated to track ../common/aclocal.m4 changes.
  56
  57 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  58
  59         * configure: Regenerated to track ../common/aclocal.m4 changes.
  60
  61 Fri Jan 30 09:51:27 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  62
  63         * sim-main.h (CPU_CIA): Delete, replaced by.
  64         (CIA_SET, CIA_SET): Define.
  65
  66 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
  67
  68         * configure: Regenerated to track ../common/aclocal.m4 changes.
  69
  70 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  71
  72         * configure: Regenerated to track ../common/aclocal.m4 changes.
  73         * config.in: Ditto.
  74
  75 Fri Dec  5 09:26:08 1997  Nick Clifton  <nickc@cygnus.com>
  76
  77         * v850.igen: Revert break value back to its old value.
  78
  79 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
  80
  81         * configure: Regenerated to track ../common/aclocal.m4 changes.
  82
  83 Wed Dec  3 17:27:19 1997  Nick Clifton  <nickc@cygnus.com>
  84
  85         * v850.igen: Make break have a zero first field, since otherwise
  86         it clashes with the DIVH instruction.
  87
  88 Sat Nov 22 21:32:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  89
  90         * simops.c (OP_10007E0): Rename SIGABRT -> SIM_SIGABRT. Give
  91         sim_stopped instead of sim_signalled.
  92
  93         * v850.igen (BREAK), simops.c (OP_12007E0): Rename SIGTRAP to
  94         SIM_SIGTRAP.
  95         (illegal): Rename SIGILL to SIM_SIGILL.
  96
  97         * sim-main.h, simops.c, interp.c: Do not include signal.h.
  98
  99         * sim-main.h: Include sim-signal.h instead of signal.h.
 100         (SIGTRAP, SIGQUIT): Delete definition.
 101         (SIG_V850_EXIT): Delete definition.
 102
 103 Tue Nov 18 15:33:48 1997  Doug Evans  <devans@canuck.cygnus.com>
 104
 105         * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
 106
 107 Fri Oct 31 10:33:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 108
 109         * interp.c (sim_open): Check state magic number.
 110         (sim-assert.h): Include.
 111
 112 Tue Oct 28 11:06:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 113
 114         * v850.igen: Add model filter field to records.
 115
 116 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 117
 118         * configure: Regenerated to track ../common/aclocal.m4 changes.
 119
 120 Fri Sep 26 11:56:02 1997  Felix Lee  <flee@cygnus.com>
 121
 122         * sim-main.h: delete null override of SIM_ENGINE_HALT_HOOK and
 123         SIM_ENGINE_RESTART_HOOK.
 124
 125 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 126
 127         * configure: Regenerated to track ../common/aclocal.m4 changes.
 128
 129 Wed Sep 24 17:28:26 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 130
 131         * sim-main.h (WITH_TARGET_WORD_MSB): Delete.
 132
 133         * configure.in (SIM_AC_OPTION_BITSIZE): Specify 32 bit
 134         architecture with MSB == 31.
 135
 136 Wed Sep 24 14:04:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 137
 138         * v850.igen: Make divh insn with RRRRR==0 breakpoint.
 139
 140 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 141
 142         * configure: Regenerated to track ../common/aclocal.m4 changes.
 143
 144 Tue Sep 23 10:19:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 145
 146         * Makefile.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
 147         SIM_HOSTENDIAN, SIM_RESERVED_BITS): Delete, moved to common.
 148         (SIM_EXTRA_CFLAGS): Update.
 149
 150 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 151
 152         * configure: Regenerated to track ../common/aclocal.m4 changes.
 153         * configure.in: Really specify NONSTRICT_ALIGNMENT as the default.
 154
 155 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 156
 157         * configure.in: Specify NONSTRICT_ALIGNMENT as the default.
 158         * configure: Regenerated to track ../common/aclocal.m4 changes.
 159
 160 Fri Sep 19 10:37:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 161
 162         * v850.igen (disp16): Use EXTEND16 to sign extend disp.
 163         (disp22): Only shift left by 1, not 2.
 164         ("jmp"): Ensure PC is 2 byte aligned.
 165
 166         * simops.c, v850.igen: Move "Bcond", "jr", "jarl" code to
 167         v850.igen. Fix tracing.
 168
 169         * simops.c (OP_300, OP_400, OP_500): Move "sdl.b", "sld.h",
 170         "sld.w" insns to v850.igen.  Fix tracing.
 171 start-sanitize-v850e
 172         (OP_70): Ditto for "sld.hu".
 173 end-sanitize-v850e
 174
 175         * v850.igen: Clarify tracing of "sld.b", "sld.h" et.al.
 176
 177         * simops.c (condition_met): Make global.
 178
 179         * sim-main.h (TRACE_ALU_INPUT3, TRACE_BRANCH0, TRACE_LD,
 180         TRACE_ST): Define.
 181 start-sanitize-v850e
 182         (TRACE_LD_NAME): Define.
 183 end-sanitize-v850e
 184
 185 start-sanitize-v850e
 186         * simops.c: Move "cmov", "cmov imm" to v850.igen, fix.
 187
 188 end-sanitize-v850e
 189 Wed Sep 17 16:21:08 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 190
 191         * simops.c: Move "mov", "reti", to v850.igen, fix tracing.
 192
 193         * interp.c (hash): Delete.
 194
 195         * v850.igen (nop): Really do nothing.
 196
 197         * interp.c (do_interrupt): Mask interrupts after PSW is saved, not
 198         before.
 199         * v850.igen (reti): Return to current PC not previous.
 200
 201 start-sanitize-v850e
 202 Wed Sep 17 14:02:10 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 203
 204         * simops.c: Move "ctret", "bsw", "hsw" to v850.igen, fix tracing.
 205         (trace_module): Global, save component/module name across insn.
 206
 207         * simops.c: Move "bsh" to v850.igen, fix.
 208
 209         * v850.igen (callt): Load correct number of bytes. Fix tracing.
 210         (stsr, ldsr): Correct src, dest fields. Fix tracing.
 211         (ctret): Force alignment.  Fix tracing.
 212
 213 end-sanitize-v850e
 214 Tue Sep 16 22:14:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 215
 216         * simops.c (trace_output): Add result argument.
 217         (trace_result): New function.  Simpler version of trace_output,
 218         assumes trace needed.
 219         (trace_output): Call trace_result.
 220         (trace_output): For IMM_REG_REG, trace correct register.
 221         (trace_input): Add case for 16bit immediates.
 222         (OP_600, OP_640, OP_680, OP_6C0, OP_6A0): Use.
 223
 224         * sim-main.h (TRACE_ALU_INPUT, TRACE_ALU_RESULT): Define.
 225         (trace_values, trace_name, trace_pc, trace_num_values): Make
 226         global.
 227         (GR, SR): Define.
 228
 229         v850.insn (movea, stsr): Use.
 230 start-sanitize-v850e
 231         (sxb, sxh, zxb, zxh): Ditto.
 232 end-sanitize-v850e
 233
 234 Tue Sep 16 21:14:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 235
 236         * simops.c: Move "movea" from here.
 237         * v850.igen: To here.
 238
 239         * v850.igen (simm16): Define, sign extend imm16.
 240         (uimm16): Define, no sign extension.
 241         (addi, andi, movea, movhi, mulhi, ori, satsubi, xori): Use.
 242
 243 start-sanitize-v850e
 244         * simops.c: Move "sxh", "switch", "sxb", "callt", "dispose",
 245         "mov32" from here.
 246         * v850.igen: To here.
 247         (switch): Fix off by two error in NIA calc.
 248
 249 end-sanitize-v850e
 250 Tue Sep 16 15:14:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 251
 252         * simops.c (trace_pc, trace_name, trace_values, trace_num_values):
 253         New static globals.
 254         (trace_input): Just save pc, name and values for trace_output.
 255         (trace_output): Write trace values to a buffer.  Use
 256         trace_one_insn to print trace info and buffer.
 257         (SIZE_OPERANDS, SIZE_LOCATION): Delete.
 258
 259 Tue Sep 16 09:02:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 260
 261         * sim-main.h (struct _sim_cpu): Add psw_mask so that reserved bits
 262         can be masked out.
 263
 264         * simops.c (OP_2007E0, OP_4007E0): Move "ldsr", "stsr"
 265         instructions from here.
 266         * v850.igen (ldsr, stsr): To here.  Mask out reserved bits when
 267         setting PSW.
 268
 269         * interp.c (sim_open): Set psw_mask if machine known.
 270
 271 Tue Sep 16 10:20:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 272
 273 start-sanitize-v850e
 274         * v850-dc: Add rule to diferentiate between breakpoint and divh.
 275         * v850.igen (break): New instruction, breakpoint simulator.
 276
 277 end-sanitize-v850e
 278         * v850.igen (breakpoint): Enable.  Change to a 32bit instruction.
 279
 280 start-sanitize-v850e
 281 Mon Sep 15 18:44:05 1997  Jim Wilson  <wilson@cygnus.com>
 282
 283         * simops.c (Multiply64): Don't store into register zero.
 284
 285 end-sanitize-v850e
 286 Tue Sep 16 09:02:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 287
 288         * Makefile.in (semantics.o): Add dependency.
 289
 290         * sim-main.h (SAVE_1, SAVE_2): Perform backward compatible save,
 291         do not adjust CIA/NIA.
 292
 293 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 294
 295 start-sanitize-v850e
 296         * simops.c (OP_300, OP_400, OP_70): Make behavour depend on PSW[US].
 297
 298         * simops.c: Move "divun", "sld.bu", "divhn", "divhun", "divn",
 299         "divun", "pushml" code from here to v850.igen.
 300         (divun): Make global.
 301         (type3_regs): Make global
 302
 303         * v850.igen: Move simops.c code to here.
 304
 305         * interp.c (sim_create_inferior): For v850eq set US bit by
 306         default.
 307
 308         * interp.c (sim_open): Don't set arch, now set by
 309         sim_analyze_program.
 310
 311 end-sanitize-v850e
 312         * configure: Regenerated to track ../common/aclocal.m4 changes.
 313
 314 Mon Sep 15 14:39:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 315
 316         * simops.c (op_types): Move from here.
 317         sim-main.h: To here.
 318
 319         * sim-main.h (trace_input, trace_output), simops.c: Make global.
 320
 321         * simops.c (OP_60): Move "jmp" code from here.
 322         * v850.igen (jmp): To here.
 323
 324 start-sanitize-v850e
 325         * simops.c (OP_60): Move "sld.bu" code from here.
 326         * v850.igen (sld.bu): To here.
 327
 328 Fri Sep 12 15:11:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 329
 330         * v850.igen (prepare, ...): Add to v850eq architecture.
 331
 332         * interp.c (sim_open): Default to v850eq.
 333
 334         * interp.c (sim_open): Default to v850e.
 335 end-sanitize-v850e
 336         * sim-main.h (signal.h): Include.
 337
 338         * v850.igen (illegal): Report/halt illegal instructions.
 339
 340         * Makefile.in (SIM_EXTRA_CFLAGS): Add SIM_RESERVED_BITS.
 341
 342         * configure.in: Add reserved bits option.
 343         * configure: Regenerate.
 344
 345 Thu Sep 11 08:40:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 346
 347         * interp.c (sim_open): Use sim_do_commandf instead of asprintf.
 348
 349         * sim-main.h (INSN_NAME):
 350
 351         * Makefile.in (INCLUDE): Add SIM_EXTRA_DEPS.
 352         (SIM_EXTRA_DEPS): Add itable.h
 353         (tmp-gencode): Does not depend on simops.h
 354
 355         * sim-main.h (itable.h): Include.
 356         (MAX_INSNS, INSN_NAME): Define.
 357
 358         * interp.c: Compute inttype from the interrupt_names index that
 359         was passed in.
 360
 361 Wed Sep 10 10:25:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 362
 363         * simops.c (trace_input): Use trace_printf instead of
 364         sim_io_printf.
 365         (trace_output): Ditto.
 366         (trace_input): Only trace when TRACE_ALU_P.  Delete code
 367         disasembling instruction.
 368         (trace_output): Only trace when TRACE_ALU_P.
 369
 370 Tue Sep  9 01:29:50 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 371
 372         * simops.c (trace_input, trace_output): Use sim_io_printf.
 373         (OP_620): Pass correct argument to trace.
 374         (OP_E607E0): Ditto.
 375         (trace_input): Obtain prog_bfd, text_start et.al from simulator
 376         struct.
 377
 378 Mon Sep  8 21:03:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 379
 380         * v850.igen: New file.
 381         * v850-dc: New file.
 382
 383 Mon Sep  8 18:33:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 384
 385
 386         * sim-main.h (SEXT16): Delete, use EXTEND16.
 387         (SEXT8): Delete, use EXTEND8.
 388         (SEXT32): Delete, used?
 389         (SEXT40, SEXT44, SEXT64): Use UNSIGNED64 for constants, not ...LL.
 390         (WITH_TARGET_WORD_MSB): Define as 31. v850 little bit endian.
 391
 392         * simops.c: Use EXTEND15 from sim-bits instead of SEXT16.
 393
 394         * sim-main.h (DEBUG_TRACE, DEBUG_VALUES, v850_debug): Delete,
 395         replace with TRACE_INSN_P and TRACE_ALU_P.
 396
 397         * simops.c (trace_input, trace_output): Update.
 398
 399         * interp.c (sim_engine_run): Delete.
 400         (lookup_hash): Delete.
 401         (sim_open): Do not fill hash table.
 402         (sim_trace): Delete.
 403
 404 Fri Sep  5 17:04:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 405
 406         * simops.c (OP_FFFF): Use sim_engine_halt.
 407         (OP_12007E0): Ditto.
 408         (OP_10007E0): Ditto.
 409
 410         * sim-main.h (struct sim_cpu): Delete member exception. Using
 411         sim-engine et.al.
 412
 413         * interp.c (sim_info): Do not do anything in sim-info.
 414         (sim_stop): Delete, replace with sim-stop.
 415         (sim_stop_reason): Delete, replace with sim-reason.
 416
 417         * sim-main.h (WITH_WATCHPOINTS): Define.
 418         (WITH_MODULO_MEMORY): Define
 419
 420         * Makefile.in (SIM_OBJS): Add sim-resume, sim-watch, sim-stop,
 421         sim-reason.
 422
 423         * interp.c (enum interrupt_cond_type): Delete.
 424         (struct interrupt_generator): Delete.
 425         (enum interrupt_type): Drop int_none.
 426         (sim_open): Initialize WATCHPOINT module.
 427         (sim_resume, sim_run): Rename sim_resume to sim_run.
 428         (sim_engine_run): Replace interrupt code with call to sim-events.
 429         (sim_set_interrupt): Delete.
 430         (sim_parse_number): Delete.
 431
 432 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 433
 434         * configure: Regenerated to track ../common/aclocal.m4 changes.
 435
 436 Thu Sep  4 18:11:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 437
 438         * simops.c (fetch_argv): New function, fetch a arg vector from
 439         simulator memory.
 440
 441         * configure.in: Check for fork, execve, execv.
 442         * configure: Regenerate.
 443
 444         * interp.c (sim_store_register, sim_fetch_register): Use H2T_4 and
 445         T2H_4 for byte swapping.
 446
 447         * sim-main.h, interp.c (get_word, get_half, get_byte, put_word,
 448         put_half, put_byte): Delete.
 449
 450         * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
 451
 452         * sim-main.h (load_mem, store_mem): Redefine as macros.
 453         (IMEM, IMEM_IMMED): New macros - fetch instructions.
 454
 455         * simops.c (OP_10007E0): For SYS_read, SYS_write, SYS_open
 456         transfer data via a buffer.
 457         (fetch_str): New function, fetch string from memory.
 458
 459         * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
 460
 461         * interp.c (sim_open): Establish memory maps using sim-memopt.c
 462         via sim_do_command.
 463         (sim_do_command): Print error if memory-map command is used. Call
 464         sim_args_command.
 465         (map): Delete, replaced by sim-core.
 466         (sim_memory_init): Delete, replaced by sim-core.
 467         (sim_set_memory_map): Delete, replaced by sim-memopt.
 468         (load_mem): Delete, replaced by sim-core.
 469         (store_mem): Delete, replaced by sim-core.
 470         (sim_write): Delete, replaced by sim-hrw.
 471         (sim_read): Delete, replaced by sim-hrw.
 472
 473         * sim-main.h (struct sim_state): Remove memory members, using
 474         sim-core.c
 475
 476 Wed Sep  3 10:18:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 477
 478         * sim-main.h: Replace SIM_HAVE_FLATMEM with mem ptr.
 479         * interp.c (map): Do not add to a void pointer.
 480
 481         * Makefile.in (INCLUDE): Add sim-main.h
 482
 483         * configure.in: Check for time.h
 484         * configure: Re-generate.
 485
 486         * interp.c (struct interrupt_generator): Make time unsigned long,
 487         address SIM_ADDR.
 488         (sim_resume): Make oldpc SIM_ADDR.
 489         (struct hash_entry): Make mask/opcode unsigned.
 490
 491         * v850_sim.h (struct simops ): Make opcode and mask unsigned.
 492
 493         * simops.c (utime.h): Include if available.
 494         (OP_10007E0): Check for UTIME function.
 495         (divun): Put parentheses around shift argument.
 496         (OP_640): Put parentheses around shift argument, was wrong.
 497         (OP_107F0): Return something.
 498
 499         * interp.c (sim_parse_number): Use strtoul not strtol.
 500         (sim_resume): Use sim_elapsed_time_get to keep track of the time.
 501
 502         * configure.in (SIM_AC_OPTION_WARNINGS): Add.
 503         (SIM_AC_OPTION_ENDIAN): Set to hardwired big.
 504         (SIM_AC_OPTION_HOST_ENDIAN): Add.
 505         (AC_CHECK_FUNCS): Add utime.
 506         (AC_CHECK_HEADERS): Add stdlib.h, string.h, strings.h, utime.h
 507         configure: Regenerate.
 508
 509
 510         * Makefile.in (SIM_RUN_OBJS): Use nrun.o.
 511         (SIM_OBJS): Add sim-io.o, sim-hload.o, sim-utils.o, sim-options.o,
 512         sim-config.o, sim-module.o, sim-events.o, sim-core.o,
 513         sim-endian.o, sim-engine.o, sim-trace.o, sim-profile.o
 514         (SIM_ENDIAN, SIM_WARNGINS): Define.
 515
 516         * simops.c (OP_10007E0): Use sim_io_* for transfers.
 517
 518         * interp.c (sim_resume): Pass sd around.
 519
 520         * simops.c (sim-main.h): Include.
 521
 522         * gencode.c (write_template): Generate #include sim-main.h.
 523         (write_opcodes): Ditto.
 524
 525         * interp.c (prog_bfd, prog_bfd_was_opened_p): Delete.
 526         (v850_callback): Ditto.
 527         (sim_kind, myname): Ditto.
 528         (lookup_hash): Pass SD. Use sim_io_error.
 529         (sim_set_memory_map): Pass in SD, use.
 530         (init_system): Pass in SD, use.
 531         (sim_open): Update.
 532         (sim_set_profile): Delete.
 533         (sim_set_profile_size): Delete.
 534         (do_interrupt): Pass in SD, use.
 535         (sim_info): Use sim_io_printf.
 536         (sim_create_inferior): Reset registers.  Set PC from prog_bfd
 537         argument.
 538         (sim_load): Delete, use common/sim-hload.c
 539         (sim_size): Rename to sim_memory_init.
 540         (sim_write): Remove call to init_system.
 541         (init_system): Delete.
 542         (sim_set_callbacks): Delete.
 543         (sim_set_interrupt): Pass in SD, use.
 544         (start_time): Delete.
 545
 546         * v850_sim.h: Remove everything except `struct simops' from here.
 547         * sim-main.h: Move most to here.
 548         * gencode.c: Move #includes to here.
 549
 550         * sim-main.h(struct _sim_cpu): Rename struct _state.
 551         (#define PC, et.al.): Update
 552         (v850_callback): Delete.  Replaced with SIM_DESC arg.
 553         (int8, uint8, int16, uint16, int32, uint32): Define types using
 554         unsigned8 et.al from common/sim-types.h.
 555         * sim-main.h (State): Define as STATE_CPU.
 556
 557 Mon Sep  1 12:07:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 558
 559         * configure.in: Check for time, chmod.
 560         * configure: Regenerate.
 561         * simops.c (SYS_time, SYS_chmod): Use HAVE_TIME, HAVE_CHMOD.
 562
 563         * simops.c (../../libgloss/v850/sys/syscall.h): Include instead of
 564         sys/syscall.h.
 565         (OP_10007E0): Check the existance each SYS_* macro independantly.
 566
 567         * v850_sim.h (SIGQUIT, SIGTRAP): Only define if missing.
 568
 569 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 570
 571         * configure: Regenerated to track ../common/aclocal.m4 changes.
 572         * config.in: Ditto.
 573
 574 Tue Aug 26 10:42:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 575
 576         * interp.c (sim_kill): Delete.
 577         (sim_create_inferior): Add ABFD argument.
 578         (sim_load): Move setting of PC from here.
 579         (sim_create_inferior): To here.
 580
 581 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 582
 583         * configure: Regenerated to track ../common/aclocal.m4 changes.
 584         * config.in: Ditto.
 585
 586 Mon Aug 25 11:31:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 587
 588         * interp.c (sim_open): Add ABFD argument.
 589
 590 start-sanitize-v850e
 591 Fri Aug 22 10:39:28 1997  Nick Clifton  <nickc@cygnus.com>
 592
 593         * simops.c (bsh): Only set CY flag if either of the bottom
 594         bytes is zero.
 595
 596         * simops.c (prepare, dispose): Lower numbered
 597         registers go to higher numbered address.
 598
 599         * simops.c (unsigned divide instructions): S bit set if result has
 600         top bit set.
 601
 602 end-sanitize-v850e
 603         * simops.c (pushml, pushmh, popml, popmh): Lower numbered
 604         registers go to higher numbered address.
 605
 606 Wed Aug 20 13:56:35 1997  Nick Clifton  <nickc@cygnus.com>
 607
 608         * simops.c (OP_107E0, OP_107F0, OP_307E0, OP_307F0): Use correct
 609         interpretation of SR bit in list18 structure.
 610         (divn, divun): New functions to perform N step divide functions.
 611
 612 start-sanitize-v850e
 613 Mon Aug 18 10:59:02 1997  Nick Clifton  <nickc@cygnus.com>
 614
 615         * simops.c (OP_300, OP_400, OP_60, OP_70): Support variant opcodes
 616         with US bit set in the PSW.
 617 end-sanitize-v850e
 618
 619 Wed Aug 13 19:06:55 1997  Nick Clifton  <nickc@cygnus.com>
 620
 621         * interp.c (sim_resume): Opcode functions return amount to be
 622         added to PC and all opcodes take a standard format in the OP[]
 623         array.
 624
 625         (do_format_*): Functions removed.
 626
 627         * v850_sim.h (SP, EP): New register mnemonics.
 628
 629         * gencode.c (write_header): Functions prototypes return an
 630         integer.
 631
 632         * simops.c: Opcode functions return amount to be added to PC.
 633
 634 start-sanitize-v850e
 635         * v850_sim.h (CTPC, CTPSW, CTBP): New register mnemonics.
 636
 637         * simops.c: Add support for v850e instructions.
 638
 639         * simops.c: Add support for v850eq instructions.
 640 end-sanitize-v850e
 641
 642 Tue May 20 10:24:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 643
 644         * interp.c (sim_open): Add callback argument.
 645         (sim_set_callbacks): Delete SIM_DESC argument.
 646
 647 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 648
 649         * configure: Regenerated to track ../common/aclocal.m4 changes.
 650
 651 Wed Apr 23 17:20:16 1997  Doug Evans  <dje@canuck.cygnus.com>
 652
 653         * interp.c (prog_bfd_was_opened_p): New static local.
 654         (prog_bfd): New global variable.
 655         (sim_open): Undo patch to add -E support.
 656         (sim_close): Close prog_bfd if sim_load opened it.
 657         (sim_load): Record bfd of loaded file in prog_bfd.
 658         * simops.c (prog_bfd): Renamed from exec_bfd.
 659
 660 Fri Apr 18 14:17:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 661
 662         * interp.c (sim_stop): Stub function.
 663
 664 Thu Apr 17 03:53:18 1997  Doug Evans  <dje@canuck.cygnus.com>
 665
 666         * Makefile.in (SIM_OBJS): Add sim-load.o.
 667         * interp.c (sim_kind, myname): New static locals.
 668         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 669         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
 670         load file into simulator.  Set start address from bfd.
 671         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 672
 673 Wed Apr 16 19:53:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 674
 675         * simops.c (OP_10007E0): Only provide system calls SYS_execv,
 676         SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
 677
 678 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 679
 680         * configure: Regenerated to track ../common/aclocal.m4 changes.
 681         * config.in: Ditto.
 682
 683 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 684
 685         * interp.c (sim_open): New arg `kind'.
 686
 687         * configure: Regenerated to track ../common/aclocal.m4 changes.
 688
 689 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 690
 691         * configure: Regenerated to track ../common/aclocal.m4 changes.
 692
 693 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 694
 695         * configure: Regenerated to track ../common/aclocal.m4 changes.
 696
 697 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 698
 699         * configure: Re-generate.
 700
 701 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 702
 703         * configure: Regenerate to track ../common/aclocal.m4 changes.
 704
 705 Thu Mar 13 13:00:54 1997  Doug Evans  <dje@canuck.cygnus.com>
 706
 707         * interp.c (sim_open): New SIM_DESC result.  Argument is now
 708         in argv form.
 709         (other sim_*): New SIM_DESC argument.
 710
 711 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 712
 713         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 714         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 715         * configure.in: sinclude ../common/aclocal.m4.
 716         * configure: Regenerated.
 717
 718 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 719
 720         * configure configure.in Makefile.in:  Update to new configure
 721         scheme which is more compatible with WinGDB builds.
 722         * configure.in:  Improve comment on how to run autoconf.
 723         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 724         * Makefile.in:  Use autoconf substitution to install common
 725         makefile fragment.
 726
 727 Mon Jan 20 16:05:34 1997  Michael Meissner  <meissner@tiktok.cygnus.com>
 728
 729         * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
 730         not zero extend.
 731
 732 Tue Jan 14 17:06:03 1997  Stu Grossman  (grossman@critters.cygnus.com)
 733
 734         * simops.c:  Put ifdefs around things to make MSVC happy.  Get rid
 735         of unistd.h.  Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
 736         SYS_gettimeofday and SYS_utime from MSVC.
 737
 738 Tue Dec 31 18:11:13 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 739
 740         * simops.c (OP_10007E0): Know that kill encodes the signal number
 741         via: 0xdead0000 | signal and turn it back into a signal.
 742
 743 Fri Dec 27 14:44:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 744
 745         * v850_sim.h (SIG_V850_EXIT): Define as -1.
 746
 747         * interp.c (sim_open): Cast calloc function.
 748         (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
 749         program exited with the appropriate exit code.
 750         (sim_set_interrupt): Declare buildargv.
 751
 752         * simops.c (OP_10007E0): Make exit signal normal exit.  Make time
 753         type correct and work on big endian systems.
 754
 755 Wed Nov 20 02:18:44 1996  Doug Evans  <dje@canuck.cygnus.com>
 756
 757         * Makefile.in: Delete stuff moved to ../common/Make-common.in.
 758         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
 759         * configure.in: Simplify using macros in ../common/aclocal.m4.
 760         Call AC_CHECK_HEADERS(unistd.h).
 761         * configure: Regenerated.
 762         * config.in: New file.
 763         * simops.c: #include "config.h".  #include <unistd.h> if present.
 764
 765 Sun Nov  3 23:02:54 1996  Stan Shebs  <shebs@andros.cygnus.com>
 766
 767         * v850_sim.h (State): New slots dummy_mem, pending_nmi.
 768         (EIPC, etc): New macros for system registers.
 769         * simops.c, interp.c: Use everywhere.
 770
 771         * interp.c: Add support for interrupts issued by interrupt
 772         generators, either PC- or time-based.  Controlled by simulator
 773         command "sim interrupt".
 774
 775         * interp.c: Add support for variable-size allocation of memory,
 776         via simulator command "sim memory-map".
 777         (map): Issue SIGSEGV for references to invalid memory regions.
 778
 779 Thu Oct 31 14:44:10 1996  Gavin Koch  <gavin@cygnus.com>
 780
 781         * simops.c: Include <sys/time.h> for struct timeval and
 782         struct timezone.
 783
 784 Wed Oct 30 08:49:10 1996  Jeffrey A Law  (law@cygnus.com)
 785
 786         * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
 787
 788         * simops.c (OP_10007E0): Handle SYS_time.
 789
 790 Tue Oct 29 14:22:55 1996  Jeffrey A Law  (law@cygnus.com)
 791
 792         * simops.c: Include <sys/stat.h>.
 793         (OP_10007E0): Handle SYS_stat.
 794
 795 Thu Oct 24 12:26:35 1996  Jeffrey A Law  (law@cygnus.com)
 796
 797         * simops.c (OP_10007E0): Don't declare errno.
 798
 799         * simops.c (OP_500): Mask off low bit in displacement
 800         for sld.w.
 801         (OP_501): Similarly.
 802
 803         * simops.c (OP_500): Fix displacement handling for sld.w.
 804         (OP_501): Similarly for sst.w.
 805
 806         * simops.c (trace_input): Remove all references to SEXT7.
 807         (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
 808         is zero extended for sst/sld instructions.
 809         * v850_sim.h (SEX7): Delete.  It's no longer needed (and it
 810         was incorrect anyway).
 811
 812 Thu Oct 24 10:33:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
 813
 814         * Makefile.in:  Get rid of srcroot.  Set all INSTALL macros via
 815         autoconf.
 816         * gencode.c (write_opcodes):  Pad operands field to account for
 817         MSVC braindamage.
 818         * simops.c:  Include errno.h.  Exclude SYS_chown, since MSVC
 819         doesn't support it.  (Why is this here in the first place?!?)
 820         * v850_sim.h:  Get rid of 64 bit defs.  Also, get rid of #elif's.
 821         Change number of operands in struct simops from 9 to 6.  Define
 822         SIGTRAP and SIGQUIT for MSVC.
 823
 824 Tue Oct 15 16:19:51 1996  Stu Grossman  (grossman@critters.cygnus.com)
 825
 826         * interp.c (MEM_SIZE):  It's now bytes, not a power of 2.
 827         * (map):  Add support for external mem in the 1->2 meg range.
 828         Also, abort() when memory access is way out of bounds.  (Better to
 829         die than to give wrong result.  (This will be fixed later.))
 830         * (sim_size):  MEM_SIZE is now bytes, not shift factor.
 831
 832 Tue Oct  1 15:53:24 1996  Gavin Koch <gavin@cygnus.com>
 833
 834         * simops.c (trace_input): Swapped order of operands for output
 835         output of OP_IMM_REG.  Changed the fetching of the operands for
 836         OP_LOAD32, and OP_STORE32 to work like op-function.
 837
 838 Mon Sep 30 15:46:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
 839
 840         * interp.c:  Move includes of remote-sim.h and callback.h to
 841         v850-sim.h.
 842         * (lookup_hash): Add PC to report of hash failure.
 843         * (map load_mem store_mem):  New memory subsystem.  Models V851
 844         memory system.
 845         * (sim_write sim_read):  Use new memory subsystem.
 846         * (sim_resume):  Don't load and save PC into EIPC anymore.  Needed
 847         to make user-defined traps work right.
 848         * simops.c (OP_*):  Use new memory subsystem.
 849         * (OP_14007E0 (reti)):  Implement reti.
 850         * (OP_14996E0 (trap)):  Implement user-defined traps.  Move I/O to
 851         trap 31.  Use new memory subsystem.
 852         * v850_sim.h:  Prototypes for load_mem, store_mem and map.  Use
 853         load_mem in RLW macro.
 854
 855 Fri Sep 27 18:34:09 1996  Stu Grossman  (grossman@critters.cygnus.com)
 856
 857         * gencode.c (write_opcodes):  Output hex values for opcode mask
 858         and patterns.
 859         * interp.c (sim_resume):  Save and restore PC from the appropriate
 860         register.
 861         * (sim_fetch_register sim_store_register):  Fix byte-order problem
 862         with reading and writing registers.
 863         * simops.c (OP_FFFF):  Implement pseudo-breakpoint insn.
 864
 865 Fri Sep 27 17:42:37 1996  Jeffrey A Law  (law@cygnus.com)
 866
 867         * simops.c (trace_input): Fix thinko.
 868
 869 Wed Sep 18 09:54:12 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 870
 871         * simops.c (exec_bfd): Rename from sim_bfd.
 872         (trace_input): Ditto.
 873
 874 Thu Sep 12 12:03:05 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 875
 876         * simops.c (trace_input): Use find_nearest_line to print line
 877         number, function name or file name of PC.
 878
 879 Wed Sep 11 16:44:37 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 880
 881         * simops.c: Add tracing support.  Use SEXTxx macros instead of
 882         doing hardwired shifts.
 883
 884         * configure.in (--enable-sim-cflags): Add switch to add additional
 885         flags to simulator buld.  If --enable-sim-cflags=trace, turn on
 886         tracing.
 887         * configure: Regenerate.
 888
 889         * Makefile.in: Don't require a VPATH capable make if configuring
 890         in the same directory.  Don't use CFLAGS for configuration flags.
 891         Add flags from --enable-sim-cflags.  Support canadian cross
 892         builds.  Rebuild whole simulator if include files change.
 893
 894         * interp.c (v850_debug): New global for debugging.
 895         (lookup_hash,sim_size,sim_set_profile): Use
 896         printf_filtered callback, instead of calling printf directly.
 897         (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
 898
 899         * v850_sim.h: Use limits.h to set the various sized types.
 900         (SEXT{5,7,16,22}): New macros.
 901
 902 Mon Sep  9 20:50:46 1996  Jeffrey A Law  (law@cygnus.com)
 903
 904         * interp.c (hash): Make this an inline function
 905         when compiling with GCC.  Simplify.
 906         * simpos.c: Explicitly include "sys/syscall.h".  Remove
 907         some #if 0'd code.  Enable more emulated syscalls.
 908
 909 Wed Sep  4 01:48:55 1996  Jeffrey A Law  (law@cygnus.com)
 910
 911         * interp.c: Fix sign bit handling for add and sub instructions.
 912
 913 Tue Sep  3 10:20:30 1996  Jeffrey A Law  (law@cygnus.com)
 914
 915         * gencode.c: Fix various indention & style problems.
 916         Remove test code.  Remove #if 0 code.
 917         * interp.c: Provide prototypes for all static functions.
 918         Fix minor indention problems.
 919         (sim_open, sim_resume): Remove unused variables.
 920         (sim_read): Return type is "int".
 921         * simops.c: Remove unused variables.
 922         (divh): Make result of divide-by-zero zero.
 923         (setf): Initialize result to keep compiler quiet.
 924         (sar instructions): These just clear the overflow bit.
 925         * v850_sim.h: Provide prototypes for put_byte, put_half
 926         and put_word.
 927
 928         * interp.c: OP should be an array of 32bit operands!
 929         (v850_callback): Declare.
 930         (do_format_5): Fix extraction of OP[0].
 931         (sim_size): Remove debugging printf.
 932         (sim_set_callbacks): Do something useful.
 933         (sim_stop_reason): Gross hacks to get c-torture running.
 934         * simops.c: Simplify code for computing targets of bCC
 935         insns.   Invert 's' bit if 'ov' bit is set for some
 936         instructions.  Fix 'cy' bit handling for numerous
 937         instructions.  Make the simulator stop when a halt
 938         instruction is encountered.  Very crude support for
 939         emulated syscalls (trap 0).
 940         * v850_sim.h: Include "callback.h" and declare
 941         v850_callback.  Items in the operand array are 32bits.
 942
 943 Sun Sep  1 22:35:35 1996  Jeffrey A Law  (law@cygnus.com)
 944
 945         * interp.c (sim_resume): Fix code to check for a format 3
 946         opcode.
 947         * simops.c: bCC insns only argument is a constant, not a
 948         register value (duh...)
 949
 950 Fri Aug 30 10:33:49 1996  Jeffrey A Law  (law@cygnus.com)
 951
 952         * simops.c: Fix "not1" and "set1".
 953
 954         * simops.c: Don't forget to initialize temp for
 955         "ld.h" and "ld.w"
 956
 957         * interp.c: Remove various debugging printfs.
 958
 959         * simops.c: Fix satadd, satsub boundary case handling.
 960
 961         * interp.c (hash): Fix.
 962         * interp.c (do_format_8): Get operands correctly and
 963         call the target function.
 964         * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
 965
 966 Thu Aug 29 13:53:29 1996  Jeffrey A Law  (law@cygnus.com)
 967
 968         * interp.c (do_format_4): Get operands correctly and
 969         call the target function.
 970         * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
 971         "sst.h", and "sst.w".
 972
 973         * v850_sim.h: The V850 doesn't have split I&D spaces.  Change
 974         accordingly.  Remove many unused definitions.
 975         * interp.c: The V850 doesn't have split I&D spaces.  Change
 976         accordingly.
 977         (get_longlong, get_longword, get_word): Deleted.
 978         (write_longlong, write_longword, write_word): Deleted.
 979         (get_operands): Deleted.
 980         (get_byte, get_half, get_word): New functions.
 981         (put_byte, put_half, put_word): New functions.
 982         * simops.c: Remove unused functions.  Rough cut at
 983         "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
 984
 985         * v850_sim.h (struct _state): Remove "psw" field.  Add
 986         "sregs" field.
 987         (PSW): Remove bogus definition.
 988         * simops.c: Change condition code handling to use the psw
 989         register within the sregs array.  Handle "ldsr" and "stsr".
 990
 991         * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
 992
 993         * interp.c (do_format_5): Get operands correctly and
 994         call the target function.
 995         (sim_resume): Don't do a PC update for format 5 instructions.
 996         * simops.c: Handle "jarl" and "jmp" instructions.
 997
 998         * simops.c: Fix minor typos.  Handle "cmp", "setf", "tst"
 999         "di", and "ei" instructions correctly.
1000
1001         * interp.c (do_format_3): Get operands correctly and call
1002         the target function.
1003         * simops.c: Handle bCC instructions.
1004
1005         * simops.c: Add condition code handling to shift insns.
1006         Fix minor typos in condition code handling for other insns.
1007
1008         * Makefile.in: Fix typo.
1009         * simops.c: Add condition code handling to "sub" "subr" and
1010         "divh" instructions.
1011
1012         * interp.c (hash): Update to be more accurate.
1013         (lookup_hash): Call hash rather than computing the hash
1014         code here.
1015         (do_format_1_2): Handle format 1 and format 2 instructions.
1016         Get operands correctly and call the target function.
1017         (do_format_6): Get operands correctly and call the target
1018         function.
1019         (do_formats_9_10): Rough cut so shift ops will work.
1020         (sim_resume): Tweak to deal with format 1 and format 2
1021         handling in a single funtion.  Don't update the PC
1022         for format 3 insns.  Fix typos.
1023         * simops.c: Slightly reorganize.  Add condition code handling
1024         to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
1025         and "not" instructions.
1026         * v850_sim.h (reg_t): Registers are 32bits.
1027         (_state): The V850 has 32 general registers.  Add a 32bit
1028         psw and pc register too.  Add accessor macros
1029
1030         * Makefile.in, interp.c, v850_sim.h: Bring over endianness
1031         changes from the d10v simulator.
1032
1033         * simops.c: Add shift support.
1034
1035         * simops.c: Add multiply & divide support.  Abort for system
1036         instructions.
1037
1038         * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
1039         and subr.  No condition codes yet.
1040
1041 Wed Aug 28 13:53:22 1996  Jeffrey A Law  (law@cygnus.com)
1042
1043         * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
1044         gencode.c, interp.c, simops.c: Created.
1045