sim/v850/ChangeLog

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