sim/v850/ChangeLog

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