sim/v850/ChangeLog

   1 2005-01-07  Andrew Cagney  <cagney@gnu.org>
   2
   3         * configure.ac: Rename configure.in, require autoconf 2.59.
   4         * configure: Re-generate.
   5
   6 2004-12-08  Hans-Peter Nilsson  <hp@axis.com>
   7
   8         * configure: Regenerate for ../common/aclocal.m4 update.
   9
  10 2004-01-18  Mark Kettenis  <kettenis@gnu.org>
  11
  12         * simops.c: Include <sys/types.h>.
  13
  14 2003-09-05  Andrew Cagney  <cagney@redhat.com>
  15             Nick Clifton  <nickc@redhat.com>
  16
  17         * interp.c (sim_open): Accept bfd_mach_v850e1.
  18         * v850-dc: Add entry for v850e1.
  19         * v850.igen: Add support for v850e1.
  20         Add code for DBTRAP and DBRET instructions.
  21         (dbtrap): Create a separate v850e1 specific instruction.
  22         Only generate a trap if the target is not the v850e1.
  23         Otherwise treat it as a special kind of branch.
  24         (break): Mark as v850/v850e specific.
  25
  26 2003-05-16  Ian Lance Taylor  <ian@airs.com>
  27
  28         * Makefile.in (SHELL): Make sure this is defined.
  29         (tmp-igen): Use $(SHELL) whenever we invoke move-if-change.
  30
  31 2003-04-06  Nick Clifton  <nickc@redhat.com>
  32
  33         * simops.c (OP_40): Delete.  Move code to...
  34         * v850-igen.c (): ...Here. Sign extend the first operand.
  35         * simops.h (OP_40): Remove prototype.
  36
  37 2003-02-27  Andrew Cagney  <cagney@redhat.com>
  38
  39         * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
  40
  41 2002-11-30  Andrew Cagney  <cagney@redhat.com>
  42
  43         * simops.c: Use int, 1, 0 instead of boolean, true and false.
  44         * sim-main.h: Ditto.
  45
  46 2002-09-27  Jim Wilson  <wilson@redhat.com>
  47
  48         * simops.c (OP_E6077E0): And op1 with 7 after reading register, not
  49         before.
  50         (BIT_CHANGE_OP): Likewise.
  51
  52 2002-09-26  Jim Wilson  <wilson@redhat.com>
  53
  54         * simops (OP_10007E0): Don't subtract 4 from PC.
  55
  56 2002-09-19  Nick Clifton  <nickc@redhat.com>
  57
  58         * interp.c (sim_open): Remove reference to v850ea.
  59         (sim_create_inferior): Likewise.
  60         * v850-dc: Likewise.
  61         * v850.igen: Remove all references to v850ea, including v850ea
  62         specific instructions.
  63
  64 2002-08-29  Nick Clifton  <nickc@redhat.com>
  65
  66         From 2001-08-23  Catherine Moore  <clm@redhat.com>
  67
  68         * Makefile.in: Add gen-zero-r0 option.
  69         * sim-main.h (GPR_SET, GPR_CLEAR): Define.
  70         * simops.c (OP_24007E0):  Sign extend the imm9
  71         operand of a mul instruction.
  72
  73 2002-06-17  Andrew Cagney  <cagney@redhat.com>
  74
  75         * simops.c (trace_result): Fix printf formatting.
  76
  77 2002-06-16  Andrew Cagney  <ac131313@redhat.com>
  78
  79         * configure: Regenerated to track ../common/aclocal.m4 changes.
  80
  81 2001-12-02  Andrew Cagney  <ac131313@redhat.com>
  82
  83         * Makefile.in (simops.h, table.c): Delete targets.
  84         (tmp-gencode, gencode.o, gencode): Delete targets.
  85         (simops.h): New file.
  86         ($(BUILT_SRC_FROM_IGEN)): Do not depend on simops.h.
  87         * gencode.c: Delete file.
  88
  89 2001-04-15  J.T. Conklin  <jtc@redback.com>
  90
  91         * Makefile.in (simops.o): Add simops.h to dependency list.
  92
  93 2001-03-14  Andrew Cagney  <ac131313@redhat.com>
  94
  95         * Makefile.in (gencode): Link with libintl.
  96
  97 2001-01-31  Jonathan Larmour  <jlarmour@redhat.com>
  98
  99         * Makefile.in (gencode): Link with libopcodes in build tree rather
 100         than building source files from there.
 101
 102 2000-05-30  Nick Clifton  <nickc@cygnus.com>
 103
 104         * v850.igen: Remove illegal instruction pattern, since it is the
 105         same as the breakpoint pattern.
 106
 107 Tue May 23 21:39:23 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 108
 109         * configure: Regenerated to track ../common/aclocal.m4 changes.
 110
 111 2000-04-14  Gary Thomas  <gthomas@redhat.com>
 112
 113         * v850.igen: Define 'br *' as illegal since this is the only
 114         way to provide a breakpoint on some v850 family processors.
 115
 116 2000-03-24  Frank Ch. Eigler  <fche@redhat.com>
 117
 118         * v850.igen (ilgop): New insn pattern for four-byte breakpoints.
 119
 120 Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 121
 122         * configure: Regenerated to track ../common/aclocal.m4 changes.
 123
 124 1999-05-08  Felix Lee  <flee@cygnus.com>
 125
 126         * configure: Regenerated to track ../common/aclocal.m4 changes.
 127
 128 Tue Dec  1 17:25:16 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 129
 130         * Makefile.in (NL_TARGET): Define as -DNL_TARGET_v850.
 131
 132 Wed Nov 25 17:52:58 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 133
 134         * Makefile.in (simops.o): Depends on targ-vals.h
 135         * simops.c: Include targ-vals.h instead of
 136         libgloss/.../syscall.h. Replace SYS_* with TARGET_SYS_*.
 137         (divn, divun, OP_1C007E0, OP_18207E0, OP_1C207E0,OP_18007E0):
 138         Replace signed long int with signed32.
 139
 140 Fri Oct  9 18:02:25 1998  Doug Evans  <devans@canuck.cygnus.com>
 141
 142         * interp.c: #include "itable.h".
 143         (get_insn_name): New function.
 144         (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
 145         * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
 146
 147 Wed May  6 19:43:27 1998  Doug Evans  <devans@canuck.cygnus.com>
 148
 149         * sim-main.h (INSN_NAME): New arg `cpu'.
 150
 151 Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>
 152
 153         * configure: Regenerated to track ../common/aclocal.m4 changes.
 154
 155 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
 156
 157         * configure: Regenerated to track ../common/aclocal.m4 changes.
 158         * config.in: Ditto.
 159
 160 Sun Apr 26 15:19:14 1998  Tom Tromey  <tromey@cygnus.com>
 161
 162         * acconfig.h: New file.
 163         * configure.in: Reverted change of Apr 24; use sinclude again.
 164
 165 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
 166
 167         * configure: Regenerated to track ../common/aclocal.m4 changes.
 168         * config.in: Ditto.
 169
 170 Fri Apr 24 11:18:08 1998  Tom Tromey  <tromey@cygnus.com>
 171
 172         * configure.in: Don't call sinclude.
 173
 174 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 175
 176         * configure: Regenerated to track ../common/aclocal.m4 changes.
 177         * sim-main.h (SIM_MAIN_H): Wrap header.
 178
 179 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 180
 181         * configure: Regenerated to track ../common/aclocal.m4 changes.
 182
 183 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 184
 185         * configure: Regenerated to track ../common/aclocal.m4 changes.
 186
 187 Tue Mar 10 15:54:50 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 188
 189         * interp.c (sim_stop): Delete, second attempt.
 190
 191 Thu Feb 26 19:09:47 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 192
 193         * interp.c (sim_info): Delete.
 194
 195 Wed Feb 18 10:47:32 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 196
 197         * sim-main.h (TRACE_ALU_INPUT*): Delete.  Moved to sim-trace.[hc].
 198
 199         * simops.c (trace_result): Call trace_generic instead of
 200         trace_one_insn.
 201         (trace_module): Change variable type to integer.
 202         (trace_input): Initialize trace_module with TRACE_ALU_IDX.
 203
 204         * sim-main.h (trace_module): Change variable decl to integer type.
 205         (TRACE_BRANCH*, TRACE_LD, TRACE_ST): Update.
 206
 207 Tue Feb 17 12:51:18 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 208
 209         * interp.c (sim_store_register, sim_fetch_register): Pass in
 210         length parameter.  Return -1.
 211
 212 Tue Feb  3 16:24:42 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 213
 214         * sim-main.h (IMEM16, IMEM16_IMMED): Rename IMEM and
 215         IMEM_IMMED. To match recent igen change.
 216
 217 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 218
 219         * configure: Regenerated to track ../common/aclocal.m4 changes.
 220
 221 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 222
 223         * configure: Regenerated to track ../common/aclocal.m4 changes.
 224
 225 Fri Jan 30 09:51:27 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 226
 227         * sim-main.h (CPU_CIA): Delete, replaced by.
 228         (CIA_SET, CIA_SET): Define.
 229
 230 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 231
 232         * configure: Regenerated to track ../common/aclocal.m4 changes.
 233
 234 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 235
 236         * configure: Regenerated to track ../common/aclocal.m4 changes.
 237         * config.in: Ditto.
 238
 239 Fri Dec  5 09:26:08 1997  Nick Clifton  <nickc@cygnus.com>
 240
 241         * v850.igen: Revert break value back to its old value.
 242
 243 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 244
 245         * configure: Regenerated to track ../common/aclocal.m4 changes.
 246
 247 Wed Dec  3 17:27:19 1997  Nick Clifton  <nickc@cygnus.com>
 248
 249         * v850.igen: Make break have a zero first field, since otherwise
 250         it clashes with the DIVH instruction.
 251
 252 Sat Nov 22 21:32:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 253
 254         * simops.c (OP_10007E0): Rename SIGABRT -> SIM_SIGABRT. Give
 255         sim_stopped instead of sim_signalled.
 256
 257         * v850.igen (BREAK), simops.c (OP_12007E0): Rename SIGTRAP to
 258         SIM_SIGTRAP.
 259         (illegal): Rename SIGILL to SIM_SIGILL.
 260
 261         * sim-main.h, simops.c, interp.c: Do not include signal.h.
 262
 263         * sim-main.h: Include sim-signal.h instead of signal.h.
 264         (SIGTRAP, SIGQUIT): Delete definition.
 265         (SIG_V850_EXIT): Delete definition.
 266
 267 Tue Nov 18 15:33:48 1997  Doug Evans  <devans@canuck.cygnus.com>
 268
 269         * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
 270
 271 Fri Oct 31 10:33:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 272
 273         * interp.c (sim_open): Check state magic number.
 274         (sim-assert.h): Include.
 275
 276 Tue Oct 28 11:06:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 277
 278         * v850.igen: Add model filter field to records.
 279
 280 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 281
 282         * configure: Regenerated to track ../common/aclocal.m4 changes.
 283
 284 Fri Sep 26 11:56:02 1997  Felix Lee  <flee@cygnus.com>
 285
 286         * sim-main.h: delete null override of SIM_ENGINE_HALT_HOOK and
 287         SIM_ENGINE_RESTART_HOOK.
 288
 289 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 290
 291         * configure: Regenerated to track ../common/aclocal.m4 changes.
 292
 293 Wed Sep 24 17:28:26 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 294
 295         * sim-main.h (WITH_TARGET_WORD_MSB): Delete.
 296
 297         * configure.in (SIM_AC_OPTION_BITSIZE): Specify 32 bit
 298         architecture with MSB == 31.
 299
 300 Wed Sep 24 14:04:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 301
 302         * v850.igen: Make divh insn with RRRRR==0 breakpoint.
 303
 304 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 305
 306         * configure: Regenerated to track ../common/aclocal.m4 changes.
 307
 308 Tue Sep 23 10:19:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 309
 310         * Makefile.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
 311         SIM_HOSTENDIAN, SIM_RESERVED_BITS): Delete, moved to common.
 312         (SIM_EXTRA_CFLAGS): Update.
 313
 314 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 315
 316         * configure: Regenerated to track ../common/aclocal.m4 changes.
 317         * configure.in: Really specify NONSTRICT_ALIGNMENT as the default.
 318
 319 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 320
 321         * configure.in: Specify NONSTRICT_ALIGNMENT as the default.
 322         * configure: Regenerated to track ../common/aclocal.m4 changes.
 323
 324 Fri Sep 19 10:37:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 325
 326         * v850.igen (disp16): Use EXTEND16 to sign extend disp.
 327         (disp22): Only shift left by 1, not 2.
 328         ("jmp"): Ensure PC is 2 byte aligned.
 329
 330         * simops.c, v850.igen: Move "Bcond", "jr", "jarl" code to
 331         v850.igen. Fix tracing.
 332
 333         * simops.c (OP_300, OP_400, OP_500): Move "sdl.b", "sld.h",
 334         "sld.w" insns to v850.igen.  Fix tracing.
 335         (OP_70): Ditto for "sld.hu".
 336
 337         * v850.igen: Clarify tracing of "sld.b", "sld.h" et.al.
 338
 339         * simops.c (condition_met): Make global.
 340
 341         * sim-main.h (TRACE_ALU_INPUT3, TRACE_BRANCH0, TRACE_LD,
 342         TRACE_ST): Define.
 343         (TRACE_LD_NAME): Define.
 344
 345         * simops.c: Move "cmov", "cmov imm" to v850.igen, fix.
 346
 347 Wed Sep 17 16:21:08 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 348
 349         * simops.c: Move "mov", "reti", to v850.igen, fix tracing.
 350
 351         * interp.c (hash): Delete.
 352
 353         * v850.igen (nop): Really do nothing.
 354
 355         * interp.c (do_interrupt): Mask interrupts after PSW is saved, not
 356         before.
 357         * v850.igen (reti): Return to current PC not previous.
 358
 359 Wed Sep 17 14:02:10 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 360
 361         * simops.c: Move "ctret", "bsw", "hsw" to v850.igen, fix tracing.
 362         (trace_module): Global, save component/module name across insn.
 363
 364         * simops.c: Move "bsh" to v850.igen, fix.
 365
 366         * v850.igen (callt): Load correct number of bytes. Fix tracing.
 367         (stsr, ldsr): Correct src, dest fields. Fix tracing.
 368         (ctret): Force alignment.  Fix tracing.
 369
 370 Tue Sep 16 22:14:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 371
 372         * simops.c (trace_output): Add result argument.
 373         (trace_result): New function.  Simpler version of trace_output,
 374         assumes trace needed.
 375         (trace_output): Call trace_result.
 376         (trace_output): For IMM_REG_REG, trace correct register.
 377         (trace_input): Add case for 16bit immediates.
 378         (OP_600, OP_640, OP_680, OP_6C0, OP_6A0): Use.
 379
 380         * sim-main.h (TRACE_ALU_INPUT, TRACE_ALU_RESULT): Define.
 381         (trace_values, trace_name, trace_pc, trace_num_values): Make
 382         global.
 383         (GR, SR): Define.
 384
 385         v850.insn (movea, stsr): Use.
 386         (sxb, sxh, zxb, zxh): Ditto.
 387
 388 Tue Sep 16 21:14:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 389
 390         * simops.c: Move "movea" from here.
 391         * v850.igen: To here.
 392
 393         * v850.igen (simm16): Define, sign extend imm16.
 394         (uimm16): Define, no sign extension.
 395         (addi, andi, movea, movhi, mulhi, ori, satsubi, xori): Use.
 396
 397         * simops.c: Move "sxh", "switch", "sxb", "callt", "dispose",
 398         "mov32" from here.
 399         * v850.igen: To here.
 400         (switch): Fix off by two error in NIA calc.
 401
 402 Tue Sep 16 15:14:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 403
 404         * simops.c (trace_pc, trace_name, trace_values, trace_num_values):
 405         New static globals.
 406         (trace_input): Just save pc, name and values for trace_output.
 407         (trace_output): Write trace values to a buffer.  Use
 408         trace_one_insn to print trace info and buffer.
 409         (SIZE_OPERANDS, SIZE_LOCATION): Delete.
 410
 411 Tue Sep 16 09:02:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 412
 413         * sim-main.h (struct _sim_cpu): Add psw_mask so that reserved bits
 414         can be masked out.
 415
 416         * simops.c (OP_2007E0, OP_4007E0): Move "ldsr", "stsr"
 417         instructions from here.
 418         * v850.igen (ldsr, stsr): To here.  Mask out reserved bits when
 419         setting PSW.
 420
 421         * interp.c (sim_open): Set psw_mask if machine known.
 422
 423 Tue Sep 16 10:20:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 424
 425         * v850-dc: Add rule to diferentiate between breakpoint and divh.
 426         * v850.igen (break): New instruction, breakpoint simulator.
 427         * v850.igen (breakpoint): Enable.  Change to a 32bit instruction.
 428
 429 Mon Sep 15 18:44:05 1997  Jim Wilson  <wilson@cygnus.com>
 430
 431         * simops.c (Multiply64): Don't store into register zero.
 432
 433 Tue Sep 16 09:02:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 434
 435         * Makefile.in (semantics.o): Add dependency.
 436
 437         * sim-main.h (SAVE_1, SAVE_2): Perform backward compatible save,
 438         do not adjust CIA/NIA.
 439
 440 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 441
 442         * simops.c (OP_300, OP_400, OP_70): Make behavour depend on PSW[US].
 443
 444         * simops.c: Move "divun", "sld.bu", "divhn", "divhun", "divn",
 445         "divun", "pushml" code from here to v850.igen.
 446         (divun): Make global.
 447         (type3_regs): Make global
 448
 449         * v850.igen: Move simops.c code to here.
 450
 451         * interp.c (sim_create_inferior): For v850eq set US bit by
 452         default.
 453
 454         * interp.c (sim_open): Don't set arch, now set by
 455         sim_analyze_program.
 456
 457         * configure: Regenerated to track ../common/aclocal.m4 changes.
 458
 459 Mon Sep 15 14:39:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 460
 461         * simops.c (op_types): Move from here.
 462         sim-main.h: To here.
 463
 464         * sim-main.h (trace_input, trace_output), simops.c: Make global.
 465
 466         * simops.c (OP_60): Move "jmp" code from here.
 467         * v850.igen (jmp): To here.
 468
 469         * simops.c (OP_60): Move "sld.bu" code from here.
 470         * v850.igen (sld.bu): To here.
 471
 472 Fri Sep 12 15:11:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 473
 474         * v850.igen (prepare, ...): Add to v850eq architecture.
 475
 476         * interp.c (sim_open): Default to v850eq.
 477
 478         * interp.c (sim_open): Default to v850e.
 479         * sim-main.h (signal.h): Include.
 480
 481         * v850.igen (illegal): Report/halt illegal instructions.
 482
 483         * Makefile.in (SIM_EXTRA_CFLAGS): Add SIM_RESERVED_BITS.
 484
 485         * configure.in: Add reserved bits option.
 486         * configure: Regenerate.
 487
 488 Thu Sep 11 08:40:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 489
 490         * interp.c (sim_open): Use sim_do_commandf instead of asprintf.
 491
 492         * sim-main.h (INSN_NAME):
 493
 494         * Makefile.in (INCLUDE): Add SIM_EXTRA_DEPS.
 495         (SIM_EXTRA_DEPS): Add itable.h
 496         (tmp-gencode): Does not depend on simops.h
 497
 498         * sim-main.h (itable.h): Include.
 499         (MAX_INSNS, INSN_NAME): Define.
 500
 501         * interp.c: Compute inttype from the interrupt_names index that
 502         was passed in.
 503
 504 Wed Sep 10 10:25:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 505
 506         * simops.c (trace_input): Use trace_printf instead of
 507         sim_io_printf.
 508         (trace_output): Ditto.
 509         (trace_input): Only trace when TRACE_ALU_P.  Delete code
 510         disasembling instruction.
 511         (trace_output): Only trace when TRACE_ALU_P.
 512
 513 Tue Sep  9 01:29:50 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 514
 515         * simops.c (trace_input, trace_output): Use sim_io_printf.
 516         (OP_620): Pass correct argument to trace.
 517         (OP_E607E0): Ditto.
 518         (trace_input): Obtain prog_bfd, text_start et.al from simulator
 519         struct.
 520
 521 Mon Sep  8 21:03:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 522
 523         * v850.igen: New file.
 524         * v850-dc: New file.
 525
 526 Mon Sep  8 18:33:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 527
 528
 529         * sim-main.h (SEXT16): Delete, use EXTEND16.
 530         (SEXT8): Delete, use EXTEND8.
 531         (SEXT32): Delete, used?
 532         (SEXT40, SEXT44, SEXT64): Use UNSIGNED64 for constants, not ...LL.
 533         (WITH_TARGET_WORD_MSB): Define as 31. v850 little bit endian.
 534
 535         * simops.c: Use EXTEND15 from sim-bits instead of SEXT16.
 536
 537         * sim-main.h (DEBUG_TRACE, DEBUG_VALUES, v850_debug): Delete,
 538         replace with TRACE_INSN_P and TRACE_ALU_P.
 539
 540         * simops.c (trace_input, trace_output): Update.
 541
 542         * interp.c (sim_engine_run): Delete.
 543         (lookup_hash): Delete.
 544         (sim_open): Do not fill hash table.
 545         (sim_trace): Delete.
 546
 547 Fri Sep  5 17:04:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 548
 549         * simops.c (OP_FFFF): Use sim_engine_halt.
 550         (OP_12007E0): Ditto.
 551         (OP_10007E0): Ditto.
 552
 553         * sim-main.h (struct sim_cpu): Delete member exception. Using
 554         sim-engine et.al.
 555
 556         * interp.c (sim_info): Do not do anything in sim-info.
 557         (sim_stop): Delete, replace with sim-stop.
 558         (sim_stop_reason): Delete, replace with sim-reason.
 559
 560         * sim-main.h (WITH_WATCHPOINTS): Define.
 561         (WITH_MODULO_MEMORY): Define
 562
 563         * Makefile.in (SIM_OBJS): Add sim-resume, sim-watch, sim-stop,
 564         sim-reason.
 565
 566         * interp.c (enum interrupt_cond_type): Delete.
 567         (struct interrupt_generator): Delete.
 568         (enum interrupt_type): Drop int_none.
 569         (sim_open): Initialize WATCHPOINT module.
 570         (sim_resume, sim_run): Rename sim_resume to sim_run.
 571         (sim_engine_run): Replace interrupt code with call to sim-events.
 572         (sim_set_interrupt): Delete.
 573         (sim_parse_number): Delete.
 574
 575 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 576
 577         * configure: Regenerated to track ../common/aclocal.m4 changes.
 578
 579 Thu Sep  4 18:11:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 580
 581         * simops.c (fetch_argv): New function, fetch a arg vector from
 582         simulator memory.
 583
 584         * configure.in: Check for fork, execve, execv.
 585         * configure: Regenerate.
 586
 587         * interp.c (sim_store_register, sim_fetch_register): Use H2T_4 and
 588         T2H_4 for byte swapping.
 589
 590         * sim-main.h, interp.c (get_word, get_half, get_byte, put_word,
 591         put_half, put_byte): Delete.
 592
 593         * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
 594
 595         * sim-main.h (load_mem, store_mem): Redefine as macros.
 596         (IMEM, IMEM_IMMED): New macros - fetch instructions.
 597
 598         * simops.c (OP_10007E0): For SYS_read, SYS_write, SYS_open
 599         transfer data via a buffer.
 600         (fetch_str): New function, fetch string from memory.
 601
 602         * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
 603
 604         * interp.c (sim_open): Establish memory maps using sim-memopt.c
 605         via sim_do_command.
 606         (sim_do_command): Print error if memory-map command is used. Call
 607         sim_args_command.
 608         (map): Delete, replaced by sim-core.
 609         (sim_memory_init): Delete, replaced by sim-core.
 610         (sim_set_memory_map): Delete, replaced by sim-memopt.
 611         (load_mem): Delete, replaced by sim-core.
 612         (store_mem): Delete, replaced by sim-core.
 613         (sim_write): Delete, replaced by sim-hrw.
 614         (sim_read): Delete, replaced by sim-hrw.
 615
 616         * sim-main.h (struct sim_state): Remove memory members, using
 617         sim-core.c
 618
 619 Wed Sep  3 10:18:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 620
 621         * sim-main.h: Replace SIM_HAVE_FLATMEM with mem ptr.
 622         * interp.c (map): Do not add to a void pointer.
 623
 624         * Makefile.in (INCLUDE): Add sim-main.h
 625
 626         * configure.in: Check for time.h
 627         * configure: Re-generate.
 628
 629         * interp.c (struct interrupt_generator): Make time unsigned long,
 630         address SIM_ADDR.
 631         (sim_resume): Make oldpc SIM_ADDR.
 632         (struct hash_entry): Make mask/opcode unsigned.
 633
 634         * v850_sim.h (struct simops ): Make opcode and mask unsigned.
 635
 636         * simops.c (utime.h): Include if available.
 637         (OP_10007E0): Check for UTIME function.
 638         (divun): Put parentheses around shift argument.
 639         (OP_640): Put parentheses around shift argument, was wrong.
 640         (OP_107F0): Return something.
 641
 642         * interp.c (sim_parse_number): Use strtoul not strtol.
 643         (sim_resume): Use sim_elapsed_time_get to keep track of the time.
 644
 645         * configure.in (SIM_AC_OPTION_WARNINGS): Add.
 646         (SIM_AC_OPTION_ENDIAN): Set to hardwired big.
 647         (SIM_AC_OPTION_HOST_ENDIAN): Add.
 648         (AC_CHECK_FUNCS): Add utime.
 649         (AC_CHECK_HEADERS): Add stdlib.h, string.h, strings.h, utime.h
 650         configure: Regenerate.
 651
 652
 653         * Makefile.in (SIM_RUN_OBJS): Use nrun.o.
 654         (SIM_OBJS): Add sim-io.o, sim-hload.o, sim-utils.o, sim-options.o,
 655         sim-config.o, sim-module.o, sim-events.o, sim-core.o,
 656         sim-endian.o, sim-engine.o, sim-trace.o, sim-profile.o
 657         (SIM_ENDIAN, SIM_WARNGINS): Define.
 658
 659         * simops.c (OP_10007E0): Use sim_io_* for transfers.
 660
 661         * interp.c (sim_resume): Pass sd around.
 662
 663         * simops.c (sim-main.h): Include.
 664
 665         * gencode.c (write_template): Generate #include sim-main.h.
 666         (write_opcodes): Ditto.
 667
 668         * interp.c (prog_bfd, prog_bfd_was_opened_p): Delete.
 669         (v850_callback): Ditto.
 670         (sim_kind, myname): Ditto.
 671         (lookup_hash): Pass SD. Use sim_io_error.
 672         (sim_set_memory_map): Pass in SD, use.
 673         (init_system): Pass in SD, use.
 674         (sim_open): Update.
 675         (sim_set_profile): Delete.
 676         (sim_set_profile_size): Delete.
 677         (do_interrupt): Pass in SD, use.
 678         (sim_info): Use sim_io_printf.
 679         (sim_create_inferior): Reset registers.  Set PC from prog_bfd
 680         argument.
 681         (sim_load): Delete, use common/sim-hload.c
 682         (sim_size): Rename to sim_memory_init.
 683         (sim_write): Remove call to init_system.
 684         (init_system): Delete.
 685         (sim_set_callbacks): Delete.
 686         (sim_set_interrupt): Pass in SD, use.
 687         (start_time): Delete.
 688
 689         * v850_sim.h: Remove everything except `struct simops' from here.
 690         * sim-main.h: Move most to here.
 691         * gencode.c: Move #includes to here.
 692
 693         * sim-main.h(struct _sim_cpu): Rename struct _state.
 694         (#define PC, et.al.): Update
 695         (v850_callback): Delete.  Replaced with SIM_DESC arg.
 696         (int8, uint8, int16, uint16, int32, uint32): Define types using
 697         unsigned8 et.al from common/sim-types.h.
 698         * sim-main.h (State): Define as STATE_CPU.
 699
 700 Mon Sep  1 12:07:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 701
 702         * configure.in: Check for time, chmod.
 703         * configure: Regenerate.
 704         * simops.c (SYS_time, SYS_chmod): Use HAVE_TIME, HAVE_CHMOD.
 705
 706         * simops.c (../../libgloss/v850/sys/syscall.h): Include instead of
 707         sys/syscall.h.
 708         (OP_10007E0): Check the existance each SYS_* macro independantly.
 709
 710         * v850_sim.h (SIGQUIT, SIGTRAP): Only define if missing.
 711
 712 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 713
 714         * configure: Regenerated to track ../common/aclocal.m4 changes.
 715         * config.in: Ditto.
 716
 717 Tue Aug 26 10:42:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 718
 719         * interp.c (sim_kill): Delete.
 720         (sim_create_inferior): Add ABFD argument.
 721         (sim_load): Move setting of PC from here.
 722         (sim_create_inferior): To here.
 723
 724 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 725
 726         * configure: Regenerated to track ../common/aclocal.m4 changes.
 727         * config.in: Ditto.
 728
 729 Mon Aug 25 11:31:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 730
 731         * interp.c (sim_open): Add ABFD argument.
 732
 733 Fri Aug 22 10:39:28 1997  Nick Clifton  <nickc@cygnus.com>
 734
 735         * simops.c (bsh): Only set CY flag if either of the bottom
 736         bytes is zero.
 737
 738         * simops.c (prepare, dispose): Lower numbered
 739         registers go to higher numbered address.
 740
 741         * simops.c (unsigned divide instructions): S bit set if result has
 742         top bit set.
 743
 744         * simops.c (pushml, pushmh, popml, popmh): Lower numbered
 745         registers go to higher numbered address.
 746
 747 Wed Aug 20 13:56:35 1997  Nick Clifton  <nickc@cygnus.com>
 748
 749         * simops.c (OP_107E0, OP_107F0, OP_307E0, OP_307F0): Use correct
 750         interpretation of SR bit in list18 structure.
 751         (divn, divun): New functions to perform N step divide functions.
 752
 753 Mon Aug 18 10:59:02 1997  Nick Clifton  <nickc@cygnus.com>
 754
 755         * simops.c (OP_300, OP_400, OP_60, OP_70): Support variant opcodes
 756         with US bit set in the PSW.
 757
 758 Wed Aug 13 19:06:55 1997  Nick Clifton  <nickc@cygnus.com>
 759
 760         * interp.c (sim_resume): Opcode functions return amount to be
 761         added to PC and all opcodes take a standard format in the OP[]
 762         array.
 763
 764         (do_format_*): Functions removed.
 765
 766         * v850_sim.h (SP, EP): New register mnemonics.
 767
 768         * gencode.c (write_header): Functions prototypes return an
 769         integer.
 770
 771         * simops.c: Opcode functions return amount to be added to PC.
 772
 773         * v850_sim.h (CTPC, CTPSW, CTBP): New register mnemonics.
 774
 775         * simops.c: Add support for v850e instructions.
 776
 777         * simops.c: Add support for v850eq instructions.
 778
 779 Tue May 20 10:24:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 780
 781         * interp.c (sim_open): Add callback argument.
 782         (sim_set_callbacks): Delete SIM_DESC argument.
 783
 784 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 785
 786         * configure: Regenerated to track ../common/aclocal.m4 changes.
 787
 788 Wed Apr 23 17:20:16 1997  Doug Evans  <dje@canuck.cygnus.com>
 789
 790         * interp.c (prog_bfd_was_opened_p): New static local.
 791         (prog_bfd): New global variable.
 792         (sim_open): Undo patch to add -E support.
 793         (sim_close): Close prog_bfd if sim_load opened it.
 794         (sim_load): Record bfd of loaded file in prog_bfd.
 795         * simops.c (prog_bfd): Renamed from exec_bfd.
 796
 797 Fri Apr 18 14:17:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 798
 799         * interp.c (sim_stop): Stub function.
 800
 801 Thu Apr 17 03:53:18 1997  Doug Evans  <dje@canuck.cygnus.com>
 802
 803         * Makefile.in (SIM_OBJS): Add sim-load.o.
 804         * interp.c (sim_kind, myname): New static locals.
 805         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 806         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
 807         load file into simulator.  Set start address from bfd.
 808         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 809
 810 Wed Apr 16 19:53:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 811
 812         * simops.c (OP_10007E0): Only provide system calls SYS_execv,
 813         SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
 814
 815 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 816
 817         * configure: Regenerated to track ../common/aclocal.m4 changes.
 818         * config.in: Ditto.
 819
 820 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 821
 822         * interp.c (sim_open): New arg `kind'.
 823
 824         * configure: Regenerated to track ../common/aclocal.m4 changes.
 825
 826 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 827
 828         * configure: Regenerated to track ../common/aclocal.m4 changes.
 829
 830 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 831
 832         * configure: Regenerated to track ../common/aclocal.m4 changes.
 833
 834 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 835
 836         * configure: Re-generate.
 837
 838 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 839
 840         * configure: Regenerate to track ../common/aclocal.m4 changes.
 841
 842 Thu Mar 13 13:00:54 1997  Doug Evans  <dje@canuck.cygnus.com>
 843
 844         * interp.c (sim_open): New SIM_DESC result.  Argument is now
 845         in argv form.
 846         (other sim_*): New SIM_DESC argument.
 847
 848 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 849
 850         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 851         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 852         * configure.in: sinclude ../common/aclocal.m4.
 853         * configure: Regenerated.
 854
 855 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 856
 857         * configure configure.in Makefile.in:  Update to new configure
 858         scheme which is more compatible with WinGDB builds.
 859         * configure.in:  Improve comment on how to run autoconf.
 860         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 861         * Makefile.in:  Use autoconf substitution to install common
 862         makefile fragment.
 863
 864 Mon Jan 20 16:05:34 1997  Michael Meissner  <meissner@tiktok.cygnus.com>
 865
 866         * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
 867         not zero extend.
 868
 869 Tue Jan 14 17:06:03 1997  Stu Grossman  (grossman@critters.cygnus.com)
 870
 871         * simops.c:  Put ifdefs around things to make MSVC happy.  Get rid
 872         of unistd.h.  Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
 873         SYS_gettimeofday and SYS_utime from MSVC.
 874
 875 Tue Dec 31 18:11:13 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 876
 877         * simops.c (OP_10007E0): Know that kill encodes the signal number
 878         via: 0xdead0000 | signal and turn it back into a signal.
 879
 880 Fri Dec 27 14:44:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 881
 882         * v850_sim.h (SIG_V850_EXIT): Define as -1.
 883
 884         * interp.c (sim_open): Cast calloc function.
 885         (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
 886         program exited with the appropriate exit code.
 887         (sim_set_interrupt): Declare buildargv.
 888
 889         * simops.c (OP_10007E0): Make exit signal normal exit.  Make time
 890         type correct and work on big endian systems.
 891
 892 Wed Nov 20 02:18:44 1996  Doug Evans  <dje@canuck.cygnus.com>
 893
 894         * Makefile.in: Delete stuff moved to ../common/Make-common.in.
 895         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
 896         * configure.in: Simplify using macros in ../common/aclocal.m4.
 897         Call AC_CHECK_HEADERS(unistd.h).
 898         * configure: Regenerated.
 899         * config.in: New file.
 900         * simops.c: #include "config.h".  #include <unistd.h> if present.
 901
 902 Sun Nov  3 23:02:54 1996  Stan Shebs  <shebs@andros.cygnus.com>
 903
 904         * v850_sim.h (State): New slots dummy_mem, pending_nmi.
 905         (EIPC, etc): New macros for system registers.
 906         * simops.c, interp.c: Use everywhere.
 907
 908         * interp.c: Add support for interrupts issued by interrupt
 909         generators, either PC- or time-based.  Controlled by simulator
 910         command "sim interrupt".
 911
 912         * interp.c: Add support for variable-size allocation of memory,
 913         via simulator command "sim memory-map".
 914         (map): Issue SIGSEGV for references to invalid memory regions.
 915
 916 Thu Oct 31 14:44:10 1996  Gavin Koch  <gavin@cygnus.com>
 917
 918         * simops.c: Include <sys/time.h> for struct timeval and
 919         struct timezone.
 920
 921 Wed Oct 30 08:49:10 1996  Jeffrey A Law  (law@cygnus.com)
 922
 923         * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
 924
 925         * simops.c (OP_10007E0): Handle SYS_time.
 926
 927 Tue Oct 29 14:22:55 1996  Jeffrey A Law  (law@cygnus.com)
 928
 929         * simops.c: Include <sys/stat.h>.
 930         (OP_10007E0): Handle SYS_stat.
 931
 932 Thu Oct 24 12:26:35 1996  Jeffrey A Law  (law@cygnus.com)
 933
 934         * simops.c (OP_10007E0): Don't declare errno.
 935
 936         * simops.c (OP_500): Mask off low bit in displacement
 937         for sld.w.
 938         (OP_501): Similarly.
 939
 940         * simops.c (OP_500): Fix displacement handling for sld.w.
 941         (OP_501): Similarly for sst.w.
 942
 943         * simops.c (trace_input): Remove all references to SEXT7.
 944         (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
 945         is zero extended for sst/sld instructions.
 946         * v850_sim.h (SEX7): Delete.  It's no longer needed (and it
 947         was incorrect anyway).
 948
 949 Thu Oct 24 10:33:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
 950
 951         * Makefile.in:  Get rid of srcroot.  Set all INSTALL macros via
 952         autoconf.
 953         * gencode.c (write_opcodes):  Pad operands field to account for
 954         MSVC braindamage.
 955         * simops.c:  Include errno.h.  Exclude SYS_chown, since MSVC
 956         doesn't support it.  (Why is this here in the first place?!?)
 957         * v850_sim.h:  Get rid of 64 bit defs.  Also, get rid of #elif's.
 958         Change number of operands in struct simops from 9 to 6.  Define
 959         SIGTRAP and SIGQUIT for MSVC.
 960
 961 Tue Oct 15 16:19:51 1996  Stu Grossman  (grossman@critters.cygnus.com)
 962
 963         * interp.c (MEM_SIZE):  It's now bytes, not a power of 2.
 964         * (map):  Add support for external mem in the 1->2 meg range.
 965         Also, abort() when memory access is way out of bounds.  (Better to
 966         die than to give wrong result.  (This will be fixed later.))
 967         * (sim_size):  MEM_SIZE is now bytes, not shift factor.
 968
 969 Tue Oct  1 15:53:24 1996  Gavin Koch <gavin@cygnus.com>
 970
 971         * simops.c (trace_input): Swapped order of operands for output
 972         output of OP_IMM_REG.  Changed the fetching of the operands for
 973         OP_LOAD32, and OP_STORE32 to work like op-function.
 974
 975 Mon Sep 30 15:46:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
 976
 977         * interp.c:  Move includes of remote-sim.h and callback.h to
 978         v850-sim.h.
 979         * (lookup_hash): Add PC to report of hash failure.
 980         * (map load_mem store_mem):  New memory subsystem.  Models V851
 981         memory system.
 982         * (sim_write sim_read):  Use new memory subsystem.
 983         * (sim_resume):  Don't load and save PC into EIPC anymore.  Needed
 984         to make user-defined traps work right.
 985         * simops.c (OP_*):  Use new memory subsystem.
 986         * (OP_14007E0 (reti)):  Implement reti.
 987         * (OP_14996E0 (trap)):  Implement user-defined traps.  Move I/O to
 988         trap 31.  Use new memory subsystem.
 989         * v850_sim.h:  Prototypes for load_mem, store_mem and map.  Use
 990         load_mem in RLW macro.
 991
 992 Fri Sep 27 18:34:09 1996  Stu Grossman  (grossman@critters.cygnus.com)
 993
 994         * gencode.c (write_opcodes):  Output hex values for opcode mask
 995         and patterns.
 996         * interp.c (sim_resume):  Save and restore PC from the appropriate
 997         register.
 998         * (sim_fetch_register sim_store_register):  Fix byte-order problem
 999         with reading and writing registers.
1000         * simops.c (OP_FFFF):  Implement pseudo-breakpoint insn.
1001
1002 Fri Sep 27 17:42:37 1996  Jeffrey A Law  (law@cygnus.com)
1003
1004         * simops.c (trace_input): Fix thinko.
1005
1006 Wed Sep 18 09:54:12 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1007
1008         * simops.c (exec_bfd): Rename from sim_bfd.
1009         (trace_input): Ditto.
1010
1011 Thu Sep 12 12:03:05 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1012
1013         * simops.c (trace_input): Use find_nearest_line to print line
1014         number, function name or file name of PC.
1015
1016 Wed Sep 11 16:44:37 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1017
1018         * simops.c: Add tracing support.  Use SEXTxx macros instead of
1019         doing hardwired shifts.
1020
1021         * configure.in (--enable-sim-cflags): Add switch to add additional
1022         flags to simulator buld.  If --enable-sim-cflags=trace, turn on
1023         tracing.
1024         * configure: Regenerate.
1025
1026         * Makefile.in: Don't require a VPATH capable make if configuring
1027         in the same directory.  Don't use CFLAGS for configuration flags.
1028         Add flags from --enable-sim-cflags.  Support canadian cross
1029         builds.  Rebuild whole simulator if include files change.
1030
1031         * interp.c (v850_debug): New global for debugging.
1032         (lookup_hash,sim_size,sim_set_profile): Use
1033         printf_filtered callback, instead of calling printf directly.
1034         (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
1035
1036         * v850_sim.h: Use limits.h to set the various sized types.
1037         (SEXT{5,7,16,22}): New macros.
1038
1039 Mon Sep  9 20:50:46 1996  Jeffrey A Law  (law@cygnus.com)
1040
1041         * interp.c (hash): Make this an inline function
1042         when compiling with GCC.  Simplify.
1043         * simpos.c: Explicitly include "sys/syscall.h".  Remove
1044         some #if 0'd code.  Enable more emulated syscalls.
1045
1046 Wed Sep  4 01:48:55 1996  Jeffrey A Law  (law@cygnus.com)
1047
1048         * interp.c: Fix sign bit handling for add and sub instructions.
1049
1050 Tue Sep  3 10:20:30 1996  Jeffrey A Law  (law@cygnus.com)
1051
1052         * gencode.c: Fix various indention & style problems.
1053         Remove test code.  Remove #if 0 code.
1054         * interp.c: Provide prototypes for all static functions.
1055         Fix minor indention problems.
1056         (sim_open, sim_resume): Remove unused variables.
1057         (sim_read): Return type is "int".
1058         * simops.c: Remove unused variables.
1059         (divh): Make result of divide-by-zero zero.
1060         (setf): Initialize result to keep compiler quiet.
1061         (sar instructions): These just clear the overflow bit.
1062         * v850_sim.h: Provide prototypes for put_byte, put_half
1063         and put_word.
1064
1065         * interp.c: OP should be an array of 32bit operands!
1066         (v850_callback): Declare.
1067         (do_format_5): Fix extraction of OP[0].
1068         (sim_size): Remove debugging printf.
1069         (sim_set_callbacks): Do something useful.
1070         (sim_stop_reason): Gross hacks to get c-torture running.
1071         * simops.c: Simplify code for computing targets of bCC
1072         insns.   Invert 's' bit if 'ov' bit is set for some
1073         instructions.  Fix 'cy' bit handling for numerous
1074         instructions.  Make the simulator stop when a halt
1075         instruction is encountered.  Very crude support for
1076         emulated syscalls (trap 0).
1077         * v850_sim.h: Include "callback.h" and declare
1078         v850_callback.  Items in the operand array are 32bits.
1079
1080 Sun Sep  1 22:35:35 1996  Jeffrey A Law  (law@cygnus.com)
1081
1082         * interp.c (sim_resume): Fix code to check for a format 3
1083         opcode.
1084         * simops.c: bCC insns only argument is a constant, not a
1085         register value (duh...)
1086
1087 Fri Aug 30 10:33:49 1996  Jeffrey A Law  (law@cygnus.com)
1088
1089         * simops.c: Fix "not1" and "set1".
1090
1091         * simops.c: Don't forget to initialize temp for
1092         "ld.h" and "ld.w"
1093
1094         * interp.c: Remove various debugging printfs.
1095
1096         * simops.c: Fix satadd, satsub boundary case handling.
1097
1098         * interp.c (hash): Fix.
1099         * interp.c (do_format_8): Get operands correctly and
1100         call the target function.
1101         * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
1102
1103 Thu Aug 29 13:53:29 1996  Jeffrey A Law  (law@cygnus.com)
1104
1105         * interp.c (do_format_4): Get operands correctly and
1106         call the target function.
1107         * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
1108         "sst.h", and "sst.w".
1109
1110         * v850_sim.h: The V850 doesn't have split I&D spaces.  Change
1111         accordingly.  Remove many unused definitions.
1112         * interp.c: The V850 doesn't have split I&D spaces.  Change
1113         accordingly.
1114         (get_longlong, get_longword, get_word): Deleted.
1115         (write_longlong, write_longword, write_word): Deleted.
1116         (get_operands): Deleted.
1117         (get_byte, get_half, get_word): New functions.
1118         (put_byte, put_half, put_word): New functions.
1119         * simops.c: Remove unused functions.  Rough cut at
1120         "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
1121
1122         * v850_sim.h (struct _state): Remove "psw" field.  Add
1123         "sregs" field.
1124         (PSW): Remove bogus definition.
1125         * simops.c: Change condition code handling to use the psw
1126         register within the sregs array.  Handle "ldsr" and "stsr".
1127
1128         * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
1129
1130         * interp.c (do_format_5): Get operands correctly and
1131         call the target function.
1132         (sim_resume): Don't do a PC update for format 5 instructions.
1133         * simops.c: Handle "jarl" and "jmp" instructions.
1134
1135         * simops.c: Fix minor typos.  Handle "cmp", "setf", "tst"
1136         "di", and "ei" instructions correctly.
1137
1138         * interp.c (do_format_3): Get operands correctly and call
1139         the target function.
1140         * simops.c: Handle bCC instructions.
1141
1142         * simops.c: Add condition code handling to shift insns.
1143         Fix minor typos in condition code handling for other insns.
1144
1145         * Makefile.in: Fix typo.
1146         * simops.c: Add condition code handling to "sub" "subr" and
1147         "divh" instructions.
1148
1149         * interp.c (hash): Update to be more accurate.
1150         (lookup_hash): Call hash rather than computing the hash
1151         code here.
1152         (do_format_1_2): Handle format 1 and format 2 instructions.
1153         Get operands correctly and call the target function.
1154         (do_format_6): Get operands correctly and call the target
1155         function.
1156         (do_formats_9_10): Rough cut so shift ops will work.
1157         (sim_resume): Tweak to deal with format 1 and format 2
1158         handling in a single funtion.  Don't update the PC
1159         for format 3 insns.  Fix typos.
1160         * simops.c: Slightly reorganize.  Add condition code handling
1161         to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
1162         and "not" instructions.
1163         * v850_sim.h (reg_t): Registers are 32bits.
1164         (_state): The V850 has 32 general registers.  Add a 32bit
1165         psw and pc register too.  Add accessor macros
1166
1167         * Makefile.in, interp.c, v850_sim.h: Bring over endianness
1168         changes from the d10v simulator.
1169
1170         * simops.c: Add shift support.
1171
1172         * simops.c: Add multiply & divide support.  Abort for system
1173         instructions.
1174
1175         * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
1176         and subr.  No condition codes yet.
1177
1178 Wed Aug 28 13:53:22 1996  Jeffrey A Law  (law@cygnus.com)
1179
1180         * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
1181         gencode.c, interp.c, simops.c: Created.
1182