sim/v850/ChangeLog

   1 2007-02-20  Daniel Jacobowitz  <dan@codesourcery.com>
   2
   3         * Makefile.in (interp.o): Uncomment and update.
   4
   5 2006-12-21  Hans-Peter Nilsson  <hp@axis.com>
   6
   7         * acconfig.h: Remove.
   8         * config.in: Regenerate.
   9
  10 2006-06-13  Richard Earnshaw  <rearnsha@arm.com>
  11
  12         * configure: Regenerated.
  13
  14 2006-06-05  Daniel Jacobowitz  <dan@codesourcery.com>
  15
  16         * configure: Regenerated.
  17
  18 2006-05-31  Daniel Jacobowitz  <dan@codesourcery.com>
  19
  20         * configure: Regenerated.
  21
  22 2005-03-23  Mark Kettenis  <kettenis@gnu.org>
  23
  24         * configure: Regenerate.
  25
  26 2005-01-14  Andrew Cagney  <cagney@gnu.org>
  27
  28         * configure.ac: Sinclude aclocal.m4 before common.m4.  Add
  29         explicit call to AC_CONFIG_HEADER.
  30         * configure: Regenerate.
  31
  32 2005-01-12  Andrew Cagney  <cagney@gnu.org>
  33
  34         * configure.ac: Update to use ../common/common.m4.
  35         * configure: Re-generate.
  36
  37 2005-01-11  Andrew Cagney  <cagney@localhost.localdomain>
  38
  39         * configure: Regenerated to track ../common/aclocal.m4 changes.
  40
  41 2005-01-07  Andrew Cagney  <cagney@gnu.org>
  42
  43         * configure.ac: Rename configure.in, require autoconf 2.59.
  44         * configure: Re-generate.
  45
  46 2004-12-08  Hans-Peter Nilsson  <hp@axis.com>
  47
  48         * configure: Regenerate for ../common/aclocal.m4 update.
  49
  50 2004-01-18  Mark Kettenis  <kettenis@gnu.org>
  51
  52         * simops.c: Include <sys/types.h>.
  53
  54 2003-09-05  Andrew Cagney  <cagney@redhat.com>
  55             Nick Clifton  <nickc@redhat.com>
  56
  57         * interp.c (sim_open): Accept bfd_mach_v850e1.
  58         * v850-dc: Add entry for v850e1.
  59         * v850.igen: Add support for v850e1.
  60         Add code for DBTRAP and DBRET instructions.
  61         (dbtrap): Create a separate v850e1 specific instruction.
  62         Only generate a trap if the target is not the v850e1.
  63         Otherwise treat it as a special kind of branch.
  64         (break): Mark as v850/v850e specific.
  65
  66 2003-05-16  Ian Lance Taylor  <ian@airs.com>
  67
  68         * Makefile.in (SHELL): Make sure this is defined.
  69         (tmp-igen): Use $(SHELL) whenever we invoke move-if-change.
  70
  71 2003-04-06  Nick Clifton  <nickc@redhat.com>
  72
  73         * simops.c (OP_40): Delete.  Move code to...
  74         * v850-igen.c (): ...Here. Sign extend the first operand.
  75         * simops.h (OP_40): Remove prototype.
  76
  77 2003-02-27  Andrew Cagney  <cagney@redhat.com>
  78
  79         * interp.c (sim_open, sim_create_inferior): Rename _bfd to bfd.
  80
  81 2002-11-30  Andrew Cagney  <cagney@redhat.com>
  82
  83         * simops.c: Use int, 1, 0 instead of boolean, true and false.
  84         * sim-main.h: Ditto.
  85
  86 2002-09-27  Jim Wilson  <wilson@redhat.com>
  87
  88         * simops.c (OP_E6077E0): And op1 with 7 after reading register, not
  89         before.
  90         (BIT_CHANGE_OP): Likewise.
  91
  92 2002-09-26  Jim Wilson  <wilson@redhat.com>
  93
  94         * simops (OP_10007E0): Don't subtract 4 from PC.
  95
  96 2002-09-19  Nick Clifton  <nickc@redhat.com>
  97
  98         * interp.c (sim_open): Remove reference to v850ea.
  99         (sim_create_inferior): Likewise.
 100         * v850-dc: Likewise.
 101         * v850.igen: Remove all references to v850ea, including v850ea
 102         specific instructions.
 103
 104 2002-08-29  Nick Clifton  <nickc@redhat.com>
 105
 106         From 2001-08-23  Catherine Moore  <clm@redhat.com>
 107
 108         * Makefile.in: Add gen-zero-r0 option.
 109         * sim-main.h (GPR_SET, GPR_CLEAR): Define.
 110         * simops.c (OP_24007E0):  Sign extend the imm9
 111         operand of a mul instruction.
 112
 113 2002-06-17  Andrew Cagney  <cagney@redhat.com>
 114
 115         * simops.c (trace_result): Fix printf formatting.
 116
 117 2002-06-16  Andrew Cagney  <ac131313@redhat.com>
 118
 119         * configure: Regenerated to track ../common/aclocal.m4 changes.
 120
 121 2001-12-02  Andrew Cagney  <ac131313@redhat.com>
 122
 123         * Makefile.in (simops.h, table.c): Delete targets.
 124         (tmp-gencode, gencode.o, gencode): Delete targets.
 125         (simops.h): New file.
 126         ($(BUILT_SRC_FROM_IGEN)): Do not depend on simops.h.
 127         * gencode.c: Delete file.
 128
 129 2001-04-15  J.T. Conklin  <jtc@redback.com>
 130
 131         * Makefile.in (simops.o): Add simops.h to dependency list.
 132
 133 2001-03-14  Andrew Cagney  <ac131313@redhat.com>
 134
 135         * Makefile.in (gencode): Link with libintl.
 136
 137 2001-01-31  Jonathan Larmour  <jlarmour@redhat.com>
 138
 139         * Makefile.in (gencode): Link with libopcodes in build tree rather
 140         than building source files from there.
 141
 142 2000-05-30  Nick Clifton  <nickc@cygnus.com>
 143
 144         * v850.igen: Remove illegal instruction pattern, since it is the
 145         same as the breakpoint pattern.
 146
 147 Tue May 23 21:39:23 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 148
 149         * configure: Regenerated to track ../common/aclocal.m4 changes.
 150
 151 2000-04-14  Gary Thomas  <gthomas@redhat.com>
 152
 153         * v850.igen: Define 'br *' as illegal since this is the only
 154         way to provide a breakpoint on some v850 family processors.
 155
 156 2000-03-24  Frank Ch. Eigler  <fche@redhat.com>
 157
 158         * v850.igen (ilgop): New insn pattern for four-byte breakpoints.
 159
 160 Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 161
 162         * configure: Regenerated to track ../common/aclocal.m4 changes.
 163
 164 1999-05-08  Felix Lee  <flee@cygnus.com>
 165
 166         * configure: Regenerated to track ../common/aclocal.m4 changes.
 167
 168 Tue Dec  1 17:25:16 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 169
 170         * Makefile.in (NL_TARGET): Define as -DNL_TARGET_v850.
 171
 172 Wed Nov 25 17:52:58 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 173
 174         * Makefile.in (simops.o): Depends on targ-vals.h
 175         * simops.c: Include targ-vals.h instead of
 176         libgloss/.../syscall.h. Replace SYS_* with TARGET_SYS_*.
 177         (divn, divun, OP_1C007E0, OP_18207E0, OP_1C207E0,OP_18007E0):
 178         Replace signed long int with signed32.
 179
 180 Fri Oct  9 18:02:25 1998  Doug Evans  <devans@canuck.cygnus.com>
 181
 182         * interp.c: #include "itable.h".
 183         (get_insn_name): New function.
 184         (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
 185         * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
 186
 187 Wed May  6 19:43:27 1998  Doug Evans  <devans@canuck.cygnus.com>
 188
 189         * sim-main.h (INSN_NAME): New arg `cpu'.
 190
 191 Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>
 192
 193         * configure: Regenerated to track ../common/aclocal.m4 changes.
 194
 195 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
 196
 197         * configure: Regenerated to track ../common/aclocal.m4 changes.
 198         * config.in: Ditto.
 199
 200 Sun Apr 26 15:19:14 1998  Tom Tromey  <tromey@cygnus.com>
 201
 202         * acconfig.h: New file.
 203         * configure.in: Reverted change of Apr 24; use sinclude again.
 204
 205 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
 206
 207         * configure: Regenerated to track ../common/aclocal.m4 changes.
 208         * config.in: Ditto.
 209
 210 Fri Apr 24 11:18:08 1998  Tom Tromey  <tromey@cygnus.com>
 211
 212         * configure.in: Don't call sinclude.
 213
 214 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 215
 216         * configure: Regenerated to track ../common/aclocal.m4 changes.
 217         * sim-main.h (SIM_MAIN_H): Wrap header.
 218
 219 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 220
 221         * configure: Regenerated to track ../common/aclocal.m4 changes.
 222
 223 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 224
 225         * configure: Regenerated to track ../common/aclocal.m4 changes.
 226
 227 Tue Mar 10 15:54:50 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 228
 229         * interp.c (sim_stop): Delete, second attempt.
 230
 231 Thu Feb 26 19:09:47 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 232
 233         * interp.c (sim_info): Delete.
 234
 235 Wed Feb 18 10:47:32 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 236
 237         * sim-main.h (TRACE_ALU_INPUT*): Delete.  Moved to sim-trace.[hc].
 238
 239         * simops.c (trace_result): Call trace_generic instead of
 240         trace_one_insn.
 241         (trace_module): Change variable type to integer.
 242         (trace_input): Initialize trace_module with TRACE_ALU_IDX.
 243
 244         * sim-main.h (trace_module): Change variable decl to integer type.
 245         (TRACE_BRANCH*, TRACE_LD, TRACE_ST): Update.
 246
 247 Tue Feb 17 12:51:18 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 248
 249         * interp.c (sim_store_register, sim_fetch_register): Pass in
 250         length parameter.  Return -1.
 251
 252 Tue Feb  3 16:24:42 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 253
 254         * sim-main.h (IMEM16, IMEM16_IMMED): Rename IMEM and
 255         IMEM_IMMED. To match recent igen change.
 256
 257 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 258
 259         * configure: Regenerated to track ../common/aclocal.m4 changes.
 260
 261 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 262
 263         * configure: Regenerated to track ../common/aclocal.m4 changes.
 264
 265 Fri Jan 30 09:51:27 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 266
 267         * sim-main.h (CPU_CIA): Delete, replaced by.
 268         (CIA_SET, CIA_SET): Define.
 269
 270 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 271
 272         * configure: Regenerated to track ../common/aclocal.m4 changes.
 273
 274 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 275
 276         * configure: Regenerated to track ../common/aclocal.m4 changes.
 277         * config.in: Ditto.
 278
 279 Fri Dec  5 09:26:08 1997  Nick Clifton  <nickc@cygnus.com>
 280
 281         * v850.igen: Revert break value back to its old value.
 282
 283 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 284
 285         * configure: Regenerated to track ../common/aclocal.m4 changes.
 286
 287 Wed Dec  3 17:27:19 1997  Nick Clifton  <nickc@cygnus.com>
 288
 289         * v850.igen: Make break have a zero first field, since otherwise
 290         it clashes with the DIVH instruction.
 291
 292 Sat Nov 22 21:32:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 293
 294         * simops.c (OP_10007E0): Rename SIGABRT -> SIM_SIGABRT. Give
 295         sim_stopped instead of sim_signalled.
 296
 297         * v850.igen (BREAK), simops.c (OP_12007E0): Rename SIGTRAP to
 298         SIM_SIGTRAP.
 299         (illegal): Rename SIGILL to SIM_SIGILL.
 300
 301         * sim-main.h, simops.c, interp.c: Do not include signal.h.
 302
 303         * sim-main.h: Include sim-signal.h instead of signal.h.
 304         (SIGTRAP, SIGQUIT): Delete definition.
 305         (SIG_V850_EXIT): Delete definition.
 306
 307 Tue Nov 18 15:33:48 1997  Doug Evans  <devans@canuck.cygnus.com>
 308
 309         * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
 310
 311 Fri Oct 31 10:33:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 312
 313         * interp.c (sim_open): Check state magic number.
 314         (sim-assert.h): Include.
 315
 316 Tue Oct 28 11:06:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 317
 318         * v850.igen: Add model filter field to records.
 319
 320 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 321
 322         * configure: Regenerated to track ../common/aclocal.m4 changes.
 323
 324 Fri Sep 26 11:56:02 1997  Felix Lee  <flee@cygnus.com>
 325
 326         * sim-main.h: delete null override of SIM_ENGINE_HALT_HOOK and
 327         SIM_ENGINE_RESTART_HOOK.
 328
 329 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 330
 331         * configure: Regenerated to track ../common/aclocal.m4 changes.
 332
 333 Wed Sep 24 17:28:26 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 334
 335         * sim-main.h (WITH_TARGET_WORD_MSB): Delete.
 336
 337         * configure.in (SIM_AC_OPTION_BITSIZE): Specify 32 bit
 338         architecture with MSB == 31.
 339
 340 Wed Sep 24 14:04:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 341
 342         * v850.igen: Make divh insn with RRRRR==0 breakpoint.
 343
 344 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 345
 346         * configure: Regenerated to track ../common/aclocal.m4 changes.
 347
 348 Tue Sep 23 10:19:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 349
 350         * Makefile.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
 351         SIM_HOSTENDIAN, SIM_RESERVED_BITS): Delete, moved to common.
 352         (SIM_EXTRA_CFLAGS): Update.
 353
 354 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 355
 356         * configure: Regenerated to track ../common/aclocal.m4 changes.
 357         * configure.in: Really specify NONSTRICT_ALIGNMENT as the default.
 358
 359 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 360
 361         * configure.in: Specify NONSTRICT_ALIGNMENT as the default.
 362         * configure: Regenerated to track ../common/aclocal.m4 changes.
 363
 364 Fri Sep 19 10:37:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 365
 366         * v850.igen (disp16): Use EXTEND16 to sign extend disp.
 367         (disp22): Only shift left by 1, not 2.
 368         ("jmp"): Ensure PC is 2 byte aligned.
 369
 370         * simops.c, v850.igen: Move "Bcond", "jr", "jarl" code to
 371         v850.igen. Fix tracing.
 372
 373         * simops.c (OP_300, OP_400, OP_500): Move "sdl.b", "sld.h",
 374         "sld.w" insns to v850.igen.  Fix tracing.
 375         (OP_70): Ditto for "sld.hu".
 376
 377         * v850.igen: Clarify tracing of "sld.b", "sld.h" et.al.
 378
 379         * simops.c (condition_met): Make global.
 380
 381         * sim-main.h (TRACE_ALU_INPUT3, TRACE_BRANCH0, TRACE_LD,
 382         TRACE_ST): Define.
 383         (TRACE_LD_NAME): Define.
 384
 385         * simops.c: Move "cmov", "cmov imm" to v850.igen, fix.
 386
 387 Wed Sep 17 16:21:08 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 388
 389         * simops.c: Move "mov", "reti", to v850.igen, fix tracing.
 390
 391         * interp.c (hash): Delete.
 392
 393         * v850.igen (nop): Really do nothing.
 394
 395         * interp.c (do_interrupt): Mask interrupts after PSW is saved, not
 396         before.
 397         * v850.igen (reti): Return to current PC not previous.
 398
 399 Wed Sep 17 14:02:10 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 400
 401         * simops.c: Move "ctret", "bsw", "hsw" to v850.igen, fix tracing.
 402         (trace_module): Global, save component/module name across insn.
 403
 404         * simops.c: Move "bsh" to v850.igen, fix.
 405
 406         * v850.igen (callt): Load correct number of bytes. Fix tracing.
 407         (stsr, ldsr): Correct src, dest fields. Fix tracing.
 408         (ctret): Force alignment.  Fix tracing.
 409
 410 Tue Sep 16 22:14:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 411
 412         * simops.c (trace_output): Add result argument.
 413         (trace_result): New function.  Simpler version of trace_output,
 414         assumes trace needed.
 415         (trace_output): Call trace_result.
 416         (trace_output): For IMM_REG_REG, trace correct register.
 417         (trace_input): Add case for 16bit immediates.
 418         (OP_600, OP_640, OP_680, OP_6C0, OP_6A0): Use.
 419
 420         * sim-main.h (TRACE_ALU_INPUT, TRACE_ALU_RESULT): Define.
 421         (trace_values, trace_name, trace_pc, trace_num_values): Make
 422         global.
 423         (GR, SR): Define.
 424
 425         v850.insn (movea, stsr): Use.
 426         (sxb, sxh, zxb, zxh): Ditto.
 427
 428 Tue Sep 16 21:14:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 429
 430         * simops.c: Move "movea" from here.
 431         * v850.igen: To here.
 432
 433         * v850.igen (simm16): Define, sign extend imm16.
 434         (uimm16): Define, no sign extension.
 435         (addi, andi, movea, movhi, mulhi, ori, satsubi, xori): Use.
 436
 437         * simops.c: Move "sxh", "switch", "sxb", "callt", "dispose",
 438         "mov32" from here.
 439         * v850.igen: To here.
 440         (switch): Fix off by two error in NIA calc.
 441
 442 Tue Sep 16 15:14:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 443
 444         * simops.c (trace_pc, trace_name, trace_values, trace_num_values):
 445         New static globals.
 446         (trace_input): Just save pc, name and values for trace_output.
 447         (trace_output): Write trace values to a buffer.  Use
 448         trace_one_insn to print trace info and buffer.
 449         (SIZE_OPERANDS, SIZE_LOCATION): Delete.
 450
 451 Tue Sep 16 09:02:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 452
 453         * sim-main.h (struct _sim_cpu): Add psw_mask so that reserved bits
 454         can be masked out.
 455
 456         * simops.c (OP_2007E0, OP_4007E0): Move "ldsr", "stsr"
 457         instructions from here.
 458         * v850.igen (ldsr, stsr): To here.  Mask out reserved bits when
 459         setting PSW.
 460
 461         * interp.c (sim_open): Set psw_mask if machine known.
 462
 463 Tue Sep 16 10:20:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 464
 465         * v850-dc: Add rule to diferentiate between breakpoint and divh.
 466         * v850.igen (break): New instruction, breakpoint simulator.
 467         * v850.igen (breakpoint): Enable.  Change to a 32bit instruction.
 468
 469 Mon Sep 15 18:44:05 1997  Jim Wilson  <wilson@cygnus.com>
 470
 471         * simops.c (Multiply64): Don't store into register zero.
 472
 473 Tue Sep 16 09:02:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 474
 475         * Makefile.in (semantics.o): Add dependency.
 476
 477         * sim-main.h (SAVE_1, SAVE_2): Perform backward compatible save,
 478         do not adjust CIA/NIA.
 479
 480 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 481
 482         * simops.c (OP_300, OP_400, OP_70): Make behavour depend on PSW[US].
 483
 484         * simops.c: Move "divun", "sld.bu", "divhn", "divhun", "divn",
 485         "divun", "pushml" code from here to v850.igen.
 486         (divun): Make global.
 487         (type3_regs): Make global
 488
 489         * v850.igen: Move simops.c code to here.
 490
 491         * interp.c (sim_create_inferior): For v850eq set US bit by
 492         default.
 493
 494         * interp.c (sim_open): Don't set arch, now set by
 495         sim_analyze_program.
 496
 497         * configure: Regenerated to track ../common/aclocal.m4 changes.
 498
 499 Mon Sep 15 14:39:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 500
 501         * simops.c (op_types): Move from here.
 502         sim-main.h: To here.
 503
 504         * sim-main.h (trace_input, trace_output), simops.c: Make global.
 505
 506         * simops.c (OP_60): Move "jmp" code from here.
 507         * v850.igen (jmp): To here.
 508
 509         * simops.c (OP_60): Move "sld.bu" code from here.
 510         * v850.igen (sld.bu): To here.
 511
 512 Fri Sep 12 15:11:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 513
 514         * v850.igen (prepare, ...): Add to v850eq architecture.
 515
 516         * interp.c (sim_open): Default to v850eq.
 517
 518         * interp.c (sim_open): Default to v850e.
 519         * sim-main.h (signal.h): Include.
 520
 521         * v850.igen (illegal): Report/halt illegal instructions.
 522
 523         * Makefile.in (SIM_EXTRA_CFLAGS): Add SIM_RESERVED_BITS.
 524
 525         * configure.in: Add reserved bits option.
 526         * configure: Regenerate.
 527
 528 Thu Sep 11 08:40:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 529
 530         * interp.c (sim_open): Use sim_do_commandf instead of asprintf.
 531
 532         * sim-main.h (INSN_NAME):
 533
 534         * Makefile.in (INCLUDE): Add SIM_EXTRA_DEPS.
 535         (SIM_EXTRA_DEPS): Add itable.h
 536         (tmp-gencode): Does not depend on simops.h
 537
 538         * sim-main.h (itable.h): Include.
 539         (MAX_INSNS, INSN_NAME): Define.
 540
 541         * interp.c: Compute inttype from the interrupt_names index that
 542         was passed in.
 543
 544 Wed Sep 10 10:25:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 545
 546         * simops.c (trace_input): Use trace_printf instead of
 547         sim_io_printf.
 548         (trace_output): Ditto.
 549         (trace_input): Only trace when TRACE_ALU_P.  Delete code
 550         disasembling instruction.
 551         (trace_output): Only trace when TRACE_ALU_P.
 552
 553 Tue Sep  9 01:29:50 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 554
 555         * simops.c (trace_input, trace_output): Use sim_io_printf.
 556         (OP_620): Pass correct argument to trace.
 557         (OP_E607E0): Ditto.
 558         (trace_input): Obtain prog_bfd, text_start et.al from simulator
 559         struct.
 560
 561 Mon Sep  8 21:03:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 562
 563         * v850.igen: New file.
 564         * v850-dc: New file.
 565
 566 Mon Sep  8 18:33:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 567
 568
 569         * sim-main.h (SEXT16): Delete, use EXTEND16.
 570         (SEXT8): Delete, use EXTEND8.
 571         (SEXT32): Delete, used?
 572         (SEXT40, SEXT44, SEXT64): Use UNSIGNED64 for constants, not ...LL.
 573         (WITH_TARGET_WORD_MSB): Define as 31. v850 little bit endian.
 574
 575         * simops.c: Use EXTEND15 from sim-bits instead of SEXT16.
 576
 577         * sim-main.h (DEBUG_TRACE, DEBUG_VALUES, v850_debug): Delete,
 578         replace with TRACE_INSN_P and TRACE_ALU_P.
 579
 580         * simops.c (trace_input, trace_output): Update.
 581
 582         * interp.c (sim_engine_run): Delete.
 583         (lookup_hash): Delete.
 584         (sim_open): Do not fill hash table.
 585         (sim_trace): Delete.
 586
 587 Fri Sep  5 17:04:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 588
 589         * simops.c (OP_FFFF): Use sim_engine_halt.
 590         (OP_12007E0): Ditto.
 591         (OP_10007E0): Ditto.
 592
 593         * sim-main.h (struct sim_cpu): Delete member exception. Using
 594         sim-engine et.al.
 595
 596         * interp.c (sim_info): Do not do anything in sim-info.
 597         (sim_stop): Delete, replace with sim-stop.
 598         (sim_stop_reason): Delete, replace with sim-reason.
 599
 600         * sim-main.h (WITH_WATCHPOINTS): Define.
 601         (WITH_MODULO_MEMORY): Define
 602
 603         * Makefile.in (SIM_OBJS): Add sim-resume, sim-watch, sim-stop,
 604         sim-reason.
 605
 606         * interp.c (enum interrupt_cond_type): Delete.
 607         (struct interrupt_generator): Delete.
 608         (enum interrupt_type): Drop int_none.
 609         (sim_open): Initialize WATCHPOINT module.
 610         (sim_resume, sim_run): Rename sim_resume to sim_run.
 611         (sim_engine_run): Replace interrupt code with call to sim-events.
 612         (sim_set_interrupt): Delete.
 613         (sim_parse_number): Delete.
 614
 615 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 616
 617         * configure: Regenerated to track ../common/aclocal.m4 changes.
 618
 619 Thu Sep  4 18:11:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 620
 621         * simops.c (fetch_argv): New function, fetch a arg vector from
 622         simulator memory.
 623
 624         * configure.in: Check for fork, execve, execv.
 625         * configure: Regenerate.
 626
 627         * interp.c (sim_store_register, sim_fetch_register): Use H2T_4 and
 628         T2H_4 for byte swapping.
 629
 630         * sim-main.h, interp.c (get_word, get_half, get_byte, put_word,
 631         put_half, put_byte): Delete.
 632
 633         * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
 634
 635         * sim-main.h (load_mem, store_mem): Redefine as macros.
 636         (IMEM, IMEM_IMMED): New macros - fetch instructions.
 637
 638         * simops.c (OP_10007E0): For SYS_read, SYS_write, SYS_open
 639         transfer data via a buffer.
 640         (fetch_str): New function, fetch string from memory.
 641
 642         * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
 643
 644         * interp.c (sim_open): Establish memory maps using sim-memopt.c
 645         via sim_do_command.
 646         (sim_do_command): Print error if memory-map command is used. Call
 647         sim_args_command.
 648         (map): Delete, replaced by sim-core.
 649         (sim_memory_init): Delete, replaced by sim-core.
 650         (sim_set_memory_map): Delete, replaced by sim-memopt.
 651         (load_mem): Delete, replaced by sim-core.
 652         (store_mem): Delete, replaced by sim-core.
 653         (sim_write): Delete, replaced by sim-hrw.
 654         (sim_read): Delete, replaced by sim-hrw.
 655
 656         * sim-main.h (struct sim_state): Remove memory members, using
 657         sim-core.c
 658
 659 Wed Sep  3 10:18:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 660
 661         * sim-main.h: Replace SIM_HAVE_FLATMEM with mem ptr.
 662         * interp.c (map): Do not add to a void pointer.
 663
 664         * Makefile.in (INCLUDE): Add sim-main.h
 665
 666         * configure.in: Check for time.h
 667         * configure: Re-generate.
 668
 669         * interp.c (struct interrupt_generator): Make time unsigned long,
 670         address SIM_ADDR.
 671         (sim_resume): Make oldpc SIM_ADDR.
 672         (struct hash_entry): Make mask/opcode unsigned.
 673
 674         * v850_sim.h (struct simops ): Make opcode and mask unsigned.
 675
 676         * simops.c (utime.h): Include if available.
 677         (OP_10007E0): Check for UTIME function.
 678         (divun): Put parentheses around shift argument.
 679         (OP_640): Put parentheses around shift argument, was wrong.
 680         (OP_107F0): Return something.
 681
 682         * interp.c (sim_parse_number): Use strtoul not strtol.
 683         (sim_resume): Use sim_elapsed_time_get to keep track of the time.
 684
 685         * configure.in (SIM_AC_OPTION_WARNINGS): Add.
 686         (SIM_AC_OPTION_ENDIAN): Set to hardwired big.
 687         (SIM_AC_OPTION_HOST_ENDIAN): Add.
 688         (AC_CHECK_FUNCS): Add utime.
 689         (AC_CHECK_HEADERS): Add stdlib.h, string.h, strings.h, utime.h
 690         configure: Regenerate.
 691
 692
 693         * Makefile.in (SIM_RUN_OBJS): Use nrun.o.
 694         (SIM_OBJS): Add sim-io.o, sim-hload.o, sim-utils.o, sim-options.o,
 695         sim-config.o, sim-module.o, sim-events.o, sim-core.o,
 696         sim-endian.o, sim-engine.o, sim-trace.o, sim-profile.o
 697         (SIM_ENDIAN, SIM_WARNGINS): Define.
 698
 699         * simops.c (OP_10007E0): Use sim_io_* for transfers.
 700
 701         * interp.c (sim_resume): Pass sd around.
 702
 703         * simops.c (sim-main.h): Include.
 704
 705         * gencode.c (write_template): Generate #include sim-main.h.
 706         (write_opcodes): Ditto.
 707
 708         * interp.c (prog_bfd, prog_bfd_was_opened_p): Delete.
 709         (v850_callback): Ditto.
 710         (sim_kind, myname): Ditto.
 711         (lookup_hash): Pass SD. Use sim_io_error.
 712         (sim_set_memory_map): Pass in SD, use.
 713         (init_system): Pass in SD, use.
 714         (sim_open): Update.
 715         (sim_set_profile): Delete.
 716         (sim_set_profile_size): Delete.
 717         (do_interrupt): Pass in SD, use.
 718         (sim_info): Use sim_io_printf.
 719         (sim_create_inferior): Reset registers.  Set PC from prog_bfd
 720         argument.
 721         (sim_load): Delete, use common/sim-hload.c
 722         (sim_size): Rename to sim_memory_init.
 723         (sim_write): Remove call to init_system.
 724         (init_system): Delete.
 725         (sim_set_callbacks): Delete.
 726         (sim_set_interrupt): Pass in SD, use.
 727         (start_time): Delete.
 728
 729         * v850_sim.h: Remove everything except `struct simops' from here.
 730         * sim-main.h: Move most to here.
 731         * gencode.c: Move #includes to here.
 732
 733         * sim-main.h(struct _sim_cpu): Rename struct _state.
 734         (#define PC, et.al.): Update
 735         (v850_callback): Delete.  Replaced with SIM_DESC arg.
 736         (int8, uint8, int16, uint16, int32, uint32): Define types using
 737         unsigned8 et.al from common/sim-types.h.
 738         * sim-main.h (State): Define as STATE_CPU.
 739
 740 Mon Sep  1 12:07:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 741
 742         * configure.in: Check for time, chmod.
 743         * configure: Regenerate.
 744         * simops.c (SYS_time, SYS_chmod): Use HAVE_TIME, HAVE_CHMOD.
 745
 746         * simops.c (../../libgloss/v850/sys/syscall.h): Include instead of
 747         sys/syscall.h.
 748         (OP_10007E0): Check the existance each SYS_* macro independantly.
 749
 750         * v850_sim.h (SIGQUIT, SIGTRAP): Only define if missing.
 751
 752 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 753
 754         * configure: Regenerated to track ../common/aclocal.m4 changes.
 755         * config.in: Ditto.
 756
 757 Tue Aug 26 10:42:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 758
 759         * interp.c (sim_kill): Delete.
 760         (sim_create_inferior): Add ABFD argument.
 761         (sim_load): Move setting of PC from here.
 762         (sim_create_inferior): To here.
 763
 764 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 765
 766         * configure: Regenerated to track ../common/aclocal.m4 changes.
 767         * config.in: Ditto.
 768
 769 Mon Aug 25 11:31:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 770
 771         * interp.c (sim_open): Add ABFD argument.
 772
 773 Fri Aug 22 10:39:28 1997  Nick Clifton  <nickc@cygnus.com>
 774
 775         * simops.c (bsh): Only set CY flag if either of the bottom
 776         bytes is zero.
 777
 778         * simops.c (prepare, dispose): Lower numbered
 779         registers go to higher numbered address.
 780
 781         * simops.c (unsigned divide instructions): S bit set if result has
 782         top bit set.
 783
 784         * simops.c (pushml, pushmh, popml, popmh): Lower numbered
 785         registers go to higher numbered address.
 786
 787 Wed Aug 20 13:56:35 1997  Nick Clifton  <nickc@cygnus.com>
 788
 789         * simops.c (OP_107E0, OP_107F0, OP_307E0, OP_307F0): Use correct
 790         interpretation of SR bit in list18 structure.
 791         (divn, divun): New functions to perform N step divide functions.
 792
 793 Mon Aug 18 10:59:02 1997  Nick Clifton  <nickc@cygnus.com>
 794
 795         * simops.c (OP_300, OP_400, OP_60, OP_70): Support variant opcodes
 796         with US bit set in the PSW.
 797
 798 Wed Aug 13 19:06:55 1997  Nick Clifton  <nickc@cygnus.com>
 799
 800         * interp.c (sim_resume): Opcode functions return amount to be
 801         added to PC and all opcodes take a standard format in the OP[]
 802         array.
 803
 804         (do_format_*): Functions removed.
 805
 806         * v850_sim.h (SP, EP): New register mnemonics.
 807
 808         * gencode.c (write_header): Functions prototypes return an
 809         integer.
 810
 811         * simops.c: Opcode functions return amount to be added to PC.
 812
 813         * v850_sim.h (CTPC, CTPSW, CTBP): New register mnemonics.
 814
 815         * simops.c: Add support for v850e instructions.
 816
 817         * simops.c: Add support for v850eq instructions.
 818
 819 Tue May 20 10:24:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 820
 821         * interp.c (sim_open): Add callback argument.
 822         (sim_set_callbacks): Delete SIM_DESC argument.
 823
 824 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 825
 826         * configure: Regenerated to track ../common/aclocal.m4 changes.
 827
 828 Wed Apr 23 17:20:16 1997  Doug Evans  <dje@canuck.cygnus.com>
 829
 830         * interp.c (prog_bfd_was_opened_p): New static local.
 831         (prog_bfd): New global variable.
 832         (sim_open): Undo patch to add -E support.
 833         (sim_close): Close prog_bfd if sim_load opened it.
 834         (sim_load): Record bfd of loaded file in prog_bfd.
 835         * simops.c (prog_bfd): Renamed from exec_bfd.
 836
 837 Fri Apr 18 14:17:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 838
 839         * interp.c (sim_stop): Stub function.
 840
 841 Thu Apr 17 03:53:18 1997  Doug Evans  <dje@canuck.cygnus.com>
 842
 843         * Makefile.in (SIM_OBJS): Add sim-load.o.
 844         * interp.c (sim_kind, myname): New static locals.
 845         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 846         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
 847         load file into simulator.  Set start address from bfd.
 848         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 849
 850 Wed Apr 16 19:53:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 851
 852         * simops.c (OP_10007E0): Only provide system calls SYS_execv,
 853         SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
 854
 855 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 856
 857         * configure: Regenerated to track ../common/aclocal.m4 changes.
 858         * config.in: Ditto.
 859
 860 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 861
 862         * interp.c (sim_open): New arg `kind'.
 863
 864         * configure: Regenerated to track ../common/aclocal.m4 changes.
 865
 866 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 867
 868         * configure: Regenerated to track ../common/aclocal.m4 changes.
 869
 870 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 871
 872         * configure: Regenerated to track ../common/aclocal.m4 changes.
 873
 874 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 875
 876         * configure: Re-generate.
 877
 878 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 879
 880         * configure: Regenerate to track ../common/aclocal.m4 changes.
 881
 882 Thu Mar 13 13:00:54 1997  Doug Evans  <dje@canuck.cygnus.com>
 883
 884         * interp.c (sim_open): New SIM_DESC result.  Argument is now
 885         in argv form.
 886         (other sim_*): New SIM_DESC argument.
 887
 888 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 889
 890         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 891         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 892         * configure.in: sinclude ../common/aclocal.m4.
 893         * configure: Regenerated.
 894
 895 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 896
 897         * configure configure.in Makefile.in:  Update to new configure
 898         scheme which is more compatible with WinGDB builds.
 899         * configure.in:  Improve comment on how to run autoconf.
 900         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 901         * Makefile.in:  Use autoconf substitution to install common
 902         makefile fragment.
 903
 904 Mon Jan 20 16:05:34 1997  Michael Meissner  <meissner@tiktok.cygnus.com>
 905
 906         * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
 907         not zero extend.
 908
 909 Tue Jan 14 17:06:03 1997  Stu Grossman  (grossman@critters.cygnus.com)
 910
 911         * simops.c:  Put ifdefs around things to make MSVC happy.  Get rid
 912         of unistd.h.  Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
 913         SYS_gettimeofday and SYS_utime from MSVC.
 914
 915 Tue Dec 31 18:11:13 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 916
 917         * simops.c (OP_10007E0): Know that kill encodes the signal number
 918         via: 0xdead0000 | signal and turn it back into a signal.
 919
 920 Fri Dec 27 14:44:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 921
 922         * v850_sim.h (SIG_V850_EXIT): Define as -1.
 923
 924         * interp.c (sim_open): Cast calloc function.
 925         (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
 926         program exited with the appropriate exit code.
 927         (sim_set_interrupt): Declare buildargv.
 928
 929         * simops.c (OP_10007E0): Make exit signal normal exit.  Make time
 930         type correct and work on big endian systems.
 931
 932 Wed Nov 20 02:18:44 1996  Doug Evans  <dje@canuck.cygnus.com>
 933
 934         * Makefile.in: Delete stuff moved to ../common/Make-common.in.
 935         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
 936         * configure.in: Simplify using macros in ../common/aclocal.m4.
 937         Call AC_CHECK_HEADERS(unistd.h).
 938         * configure: Regenerated.
 939         * config.in: New file.
 940         * simops.c: #include "config.h".  #include <unistd.h> if present.
 941
 942 Sun Nov  3 23:02:54 1996  Stan Shebs  <shebs@andros.cygnus.com>
 943
 944         * v850_sim.h (State): New slots dummy_mem, pending_nmi.
 945         (EIPC, etc): New macros for system registers.
 946         * simops.c, interp.c: Use everywhere.
 947
 948         * interp.c: Add support for interrupts issued by interrupt
 949         generators, either PC- or time-based.  Controlled by simulator
 950         command "sim interrupt".
 951
 952         * interp.c: Add support for variable-size allocation of memory,
 953         via simulator command "sim memory-map".
 954         (map): Issue SIGSEGV for references to invalid memory regions.
 955
 956 Thu Oct 31 14:44:10 1996  Gavin Koch  <gavin@cygnus.com>
 957
 958         * simops.c: Include <sys/time.h> for struct timeval and
 959         struct timezone.
 960
 961 Wed Oct 30 08:49:10 1996  Jeffrey A Law  (law@cygnus.com)
 962
 963         * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
 964
 965         * simops.c (OP_10007E0): Handle SYS_time.
 966
 967 Tue Oct 29 14:22:55 1996  Jeffrey A Law  (law@cygnus.com)
 968
 969         * simops.c: Include <sys/stat.h>.
 970         (OP_10007E0): Handle SYS_stat.
 971
 972 Thu Oct 24 12:26:35 1996  Jeffrey A Law  (law@cygnus.com)
 973
 974         * simops.c (OP_10007E0): Don't declare errno.
 975
 976         * simops.c (OP_500): Mask off low bit in displacement
 977         for sld.w.
 978         (OP_501): Similarly.
 979
 980         * simops.c (OP_500): Fix displacement handling for sld.w.
 981         (OP_501): Similarly for sst.w.
 982
 983         * simops.c (trace_input): Remove all references to SEXT7.
 984         (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
 985         is zero extended for sst/sld instructions.
 986         * v850_sim.h (SEX7): Delete.  It's no longer needed (and it
 987         was incorrect anyway).
 988
 989 Thu Oct 24 10:33:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
 990
 991         * Makefile.in:  Get rid of srcroot.  Set all INSTALL macros via
 992         autoconf.
 993         * gencode.c (write_opcodes):  Pad operands field to account for
 994         MSVC braindamage.
 995         * simops.c:  Include errno.h.  Exclude SYS_chown, since MSVC
 996         doesn't support it.  (Why is this here in the first place?!?)
 997         * v850_sim.h:  Get rid of 64 bit defs.  Also, get rid of #elif's.
 998         Change number of operands in struct simops from 9 to 6.  Define
 999         SIGTRAP and SIGQUIT for MSVC.
1000
1001 Tue Oct 15 16:19:51 1996  Stu Grossman  (grossman@critters.cygnus.com)
1002
1003         * interp.c (MEM_SIZE):  It's now bytes, not a power of 2.
1004         * (map):  Add support for external mem in the 1->2 meg range.
1005         Also, abort() when memory access is way out of bounds.  (Better to
1006         die than to give wrong result.  (This will be fixed later.))
1007         * (sim_size):  MEM_SIZE is now bytes, not shift factor.
1008
1009 Tue Oct  1 15:53:24 1996  Gavin Koch <gavin@cygnus.com>
1010
1011         * simops.c (trace_input): Swapped order of operands for output
1012         output of OP_IMM_REG.  Changed the fetching of the operands for
1013         OP_LOAD32, and OP_STORE32 to work like op-function.
1014
1015 Mon Sep 30 15:46:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
1016
1017         * interp.c:  Move includes of remote-sim.h and callback.h to
1018         v850-sim.h.
1019         * (lookup_hash): Add PC to report of hash failure.
1020         * (map load_mem store_mem):  New memory subsystem.  Models V851
1021         memory system.
1022         * (sim_write sim_read):  Use new memory subsystem.
1023         * (sim_resume):  Don't load and save PC into EIPC anymore.  Needed
1024         to make user-defined traps work right.
1025         * simops.c (OP_*):  Use new memory subsystem.
1026         * (OP_14007E0 (reti)):  Implement reti.
1027         * (OP_14996E0 (trap)):  Implement user-defined traps.  Move I/O to
1028         trap 31.  Use new memory subsystem.
1029         * v850_sim.h:  Prototypes for load_mem, store_mem and map.  Use
1030         load_mem in RLW macro.
1031
1032 Fri Sep 27 18:34:09 1996  Stu Grossman  (grossman@critters.cygnus.com)
1033
1034         * gencode.c (write_opcodes):  Output hex values for opcode mask
1035         and patterns.
1036         * interp.c (sim_resume):  Save and restore PC from the appropriate
1037         register.
1038         * (sim_fetch_register sim_store_register):  Fix byte-order problem
1039         with reading and writing registers.
1040         * simops.c (OP_FFFF):  Implement pseudo-breakpoint insn.
1041
1042 Fri Sep 27 17:42:37 1996  Jeffrey A Law  (law@cygnus.com)
1043
1044         * simops.c (trace_input): Fix thinko.
1045
1046 Wed Sep 18 09:54:12 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1047
1048         * simops.c (exec_bfd): Rename from sim_bfd.
1049         (trace_input): Ditto.
1050
1051 Thu Sep 12 12:03:05 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1052
1053         * simops.c (trace_input): Use find_nearest_line to print line
1054         number, function name or file name of PC.
1055
1056 Wed Sep 11 16:44:37 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1057
1058         * simops.c: Add tracing support.  Use SEXTxx macros instead of
1059         doing hardwired shifts.
1060
1061         * configure.in (--enable-sim-cflags): Add switch to add additional
1062         flags to simulator buld.  If --enable-sim-cflags=trace, turn on
1063         tracing.
1064         * configure: Regenerate.
1065
1066         * Makefile.in: Don't require a VPATH capable make if configuring
1067         in the same directory.  Don't use CFLAGS for configuration flags.
1068         Add flags from --enable-sim-cflags.  Support canadian cross
1069         builds.  Rebuild whole simulator if include files change.
1070
1071         * interp.c (v850_debug): New global for debugging.
1072         (lookup_hash,sim_size,sim_set_profile): Use
1073         printf_filtered callback, instead of calling printf directly.
1074         (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
1075
1076         * v850_sim.h: Use limits.h to set the various sized types.
1077         (SEXT{5,7,16,22}): New macros.
1078
1079 Mon Sep  9 20:50:46 1996  Jeffrey A Law  (law@cygnus.com)
1080
1081         * interp.c (hash): Make this an inline function
1082         when compiling with GCC.  Simplify.
1083         * simpos.c: Explicitly include "sys/syscall.h".  Remove
1084         some #if 0'd code.  Enable more emulated syscalls.
1085
1086 Wed Sep  4 01:48:55 1996  Jeffrey A Law  (law@cygnus.com)
1087
1088         * interp.c: Fix sign bit handling for add and sub instructions.
1089
1090 Tue Sep  3 10:20:30 1996  Jeffrey A Law  (law@cygnus.com)
1091
1092         * gencode.c: Fix various indention & style problems.
1093         Remove test code.  Remove #if 0 code.
1094         * interp.c: Provide prototypes for all static functions.
1095         Fix minor indention problems.
1096         (sim_open, sim_resume): Remove unused variables.
1097         (sim_read): Return type is "int".
1098         * simops.c: Remove unused variables.
1099         (divh): Make result of divide-by-zero zero.
1100         (setf): Initialize result to keep compiler quiet.
1101         (sar instructions): These just clear the overflow bit.
1102         * v850_sim.h: Provide prototypes for put_byte, put_half
1103         and put_word.
1104
1105         * interp.c: OP should be an array of 32bit operands!
1106         (v850_callback): Declare.
1107         (do_format_5): Fix extraction of OP[0].
1108         (sim_size): Remove debugging printf.
1109         (sim_set_callbacks): Do something useful.
1110         (sim_stop_reason): Gross hacks to get c-torture running.
1111         * simops.c: Simplify code for computing targets of bCC
1112         insns.   Invert 's' bit if 'ov' bit is set for some
1113         instructions.  Fix 'cy' bit handling for numerous
1114         instructions.  Make the simulator stop when a halt
1115         instruction is encountered.  Very crude support for
1116         emulated syscalls (trap 0).
1117         * v850_sim.h: Include "callback.h" and declare
1118         v850_callback.  Items in the operand array are 32bits.
1119
1120 Sun Sep  1 22:35:35 1996  Jeffrey A Law  (law@cygnus.com)
1121
1122         * interp.c (sim_resume): Fix code to check for a format 3
1123         opcode.
1124         * simops.c: bCC insns only argument is a constant, not a
1125         register value (duh...)
1126
1127 Fri Aug 30 10:33:49 1996  Jeffrey A Law  (law@cygnus.com)
1128
1129         * simops.c: Fix "not1" and "set1".
1130
1131         * simops.c: Don't forget to initialize temp for
1132         "ld.h" and "ld.w"
1133
1134         * interp.c: Remove various debugging printfs.
1135
1136         * simops.c: Fix satadd, satsub boundary case handling.
1137
1138         * interp.c (hash): Fix.
1139         * interp.c (do_format_8): Get operands correctly and
1140         call the target function.
1141         * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
1142
1143 Thu Aug 29 13:53:29 1996  Jeffrey A Law  (law@cygnus.com)
1144
1145         * interp.c (do_format_4): Get operands correctly and
1146         call the target function.
1147         * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
1148         "sst.h", and "sst.w".
1149
1150         * v850_sim.h: The V850 doesn't have split I&D spaces.  Change
1151         accordingly.  Remove many unused definitions.
1152         * interp.c: The V850 doesn't have split I&D spaces.  Change
1153         accordingly.
1154         (get_longlong, get_longword, get_word): Deleted.
1155         (write_longlong, write_longword, write_word): Deleted.
1156         (get_operands): Deleted.
1157         (get_byte, get_half, get_word): New functions.
1158         (put_byte, put_half, put_word): New functions.
1159         * simops.c: Remove unused functions.  Rough cut at
1160         "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
1161
1162         * v850_sim.h (struct _state): Remove "psw" field.  Add
1163         "sregs" field.
1164         (PSW): Remove bogus definition.
1165         * simops.c: Change condition code handling to use the psw
1166         register within the sregs array.  Handle "ldsr" and "stsr".
1167
1168         * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
1169
1170         * interp.c (do_format_5): Get operands correctly and
1171         call the target function.
1172         (sim_resume): Don't do a PC update for format 5 instructions.
1173         * simops.c: Handle "jarl" and "jmp" instructions.
1174
1175         * simops.c: Fix minor typos.  Handle "cmp", "setf", "tst"
1176         "di", and "ei" instructions correctly.
1177
1178         * interp.c (do_format_3): Get operands correctly and call
1179         the target function.
1180         * simops.c: Handle bCC instructions.
1181
1182         * simops.c: Add condition code handling to shift insns.
1183         Fix minor typos in condition code handling for other insns.
1184
1185         * Makefile.in: Fix typo.
1186         * simops.c: Add condition code handling to "sub" "subr" and
1187         "divh" instructions.
1188
1189         * interp.c (hash): Update to be more accurate.
1190         (lookup_hash): Call hash rather than computing the hash
1191         code here.
1192         (do_format_1_2): Handle format 1 and format 2 instructions.
1193         Get operands correctly and call the target function.
1194         (do_format_6): Get operands correctly and call the target
1195         function.
1196         (do_formats_9_10): Rough cut so shift ops will work.
1197         (sim_resume): Tweak to deal with format 1 and format 2
1198         handling in a single funtion.  Don't update the PC
1199         for format 3 insns.  Fix typos.
1200         * simops.c: Slightly reorganize.  Add condition code handling
1201         to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
1202         and "not" instructions.
1203         * v850_sim.h (reg_t): Registers are 32bits.
1204         (_state): The V850 has 32 general registers.  Add a 32bit
1205         psw and pc register too.  Add accessor macros
1206
1207         * Makefile.in, interp.c, v850_sim.h: Bring over endianness
1208         changes from the d10v simulator.
1209
1210         * simops.c: Add shift support.
1211
1212         * simops.c: Add multiply & divide support.  Abort for system
1213         instructions.
1214
1215         * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
1216         and subr.  No condition codes yet.
1217
1218 Wed Aug 28 13:53:22 1996  Jeffrey A Law  (law@cygnus.com)
1219
1220         * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
1221         gencode.c, interp.c, simops.c: Created.
1222