sim/v850/ChangeLog

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