sim/v850/ChangeLog

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