sim/mn10300/ChangeLog

   1 Thu Mar 26 10:11:01 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>
   2
   3         * Makefile.in (tmp-igen):  Prefix all usage of move-if-change
   4         script with $(SHELL) to make NT native builds happy.
   5         * configure:  Regenerate because of change to ../common/aclocal.m4.
   6
   7 Thu Mar 26 11:22:31 1998  Andrew Cagney  <cagney@b1.cygnus.com>
   8
   9         * configure.in: Make --enable-sim-common the default.
  10         * configure: Re-generate.
  11
  12         * sim-main.h (CIA_GET, CIA_SET): Save/restore current instruction
  13         address into Sate.regs[REG_PC] instead of common struct.
  14
  15 Wed Mar 25 17:42:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
  16
  17         * mn10300.igen (cmp imm8,An): Do not sign extend imm8 value.
  18
  19 Wed Mar 25 12:08:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
  20
  21         * simops.c (OP_F0FD): Initialise variable 'sp'.
  22
  23 Thu Mar 26 00:21:32 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  24
  25         * dv-mn103int.c (decode_group): A group register every 4 bytes not
  26         8.
  27         (write_icr): Rewrite equation updating request field.
  28         (read_iagr): Fix check that interrupt is still pending.
  29
  30 Wed Mar 25 16:14:50 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  31
  32         * interp.c (sim_open): Tidy up device creation.
  33
  34         * dv-mn103int.c (mn103int_port_event): Drive NMI with non-zero
  35         value.
  36         (mn103int_io_read_buffer): Convert absolute address to register
  37         block offsets.
  38         (read_icr, write_icr): Convert block offset into group offset.
  39
  40 Wed Mar 25 15:08:49 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  41
  42         * interp.c (sim_open): Create second 1mb memory region at
  43         0x40000000.
  44         (sim_open): Create a device tree.
  45         (sim-hw.h): Include.
  46         (do_interrupt): Delete, needs to use dv-mn103cpu.c
  47
  48         * dv-mn103int.c, dv-mn103cpu.c: New files.
  49
  50 Wed Mar 25 08:47:38 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  51
  52         * mn10300_sim.h (EXTRACT_PSW_LM, INSERT_PSW_LM, PSW_IE, PSW_LM):
  53         Define.
  54         (SP): Define.
  55
  56 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  57
  58         * configure: Regenerated to track ../common/aclocal.m4 changes.
  59
  60 Wed Mar 25 10:24:48 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  61
  62         * interp.c (sim-options.h): Include.
  63         (sim_kind, myname): Declare when not using common framework.
  64
  65         * mn10300_sim.h (do_syscall, generic*): Provide prototypes for
  66         functions found in op_utils.c
  67
  68         * mn10300.igen (add): Discard unused variables.
  69
  70         * configure, config.in: Re-generate with autoconf 2.12.1.
  71
  72 Tue Mar 24 15:27:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
  73
  74         Add support for --enable-sim-common option.
  75         * Makefile.in (WITHOUT_COMMON_OBJS): Files included if
  76         ! --enable-sim-common
  77         (WITH_COMMON_OBJS): Files included if --enable-sim-common.
  78         (MN10300_OBJS,MN10300_INTERP_DEP): New variables.
  79         (SIM_OBJS): Rewrite.
  80         ({WITHOUT,WITH}_COMMON_RUN_OBJS,SIM_RUN_OBJS): New variables.
  81         (SIM_EXTRA_CFLAGS): New variable.
  82         (clean-extra): Clean up igen files.
  83         (../igen/igen,clean-igen,tmp-igen): New rules.
  84         * configure.in: Add support for common framework via
  85         --enable-sim-common.
  86         * configure: Regenerate.
  87         * interp.c: #include sim-main if WITH_COMMON, not mn10300_sim.h.
  88         (hash,dispatch,sim_size): Don't compile if ! WITH_COMMON.
  89         (init_system,sim_write,compare_simops): Likewise.
  90         (sim_set_profile,sim_set_profile_size): Likewise.
  91         (sim_stop,sim_resume,sim_trace,sim_info): Likewise.
  92         (sim_set_callbacks,sim_stop_reason,sim_read,sim_load): Likewise.
  93         (enum interrupt_type): New enum.
  94         (interrupt_names): New global.
  95         (do_interrupt): New function.
  96         (sim_open): Define differently if WITH_COMMON.
  97         (sim_close,sim_create_inferior,sim_do_command): Likewise.
  98         * mn10300_sim.h ({load,store}_{byte,half,word}): Define versions
  99         for WITH_COMMON.
 100         * mn10300.igen: New file.
 101         * mn10300.dc: New file.
 102         * op_utils.c: New file.
 103         * sim-main.h: New file.
 104
 105 Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 106
 107         * configure: Regenerated to track ../common/aclocal.m4 changes.
 108
 109 Fri Feb 27 18:36:04 1998  Jeffrey A Law  (law@cygnus.com)
 110
 111         * simops.c (inc): Fix typo.
 112
 113 Wed Feb 25 01:59:29 1998  Jeffrey A Law  (law@cygnus.com)
 114
 115         * simops.c (signed multiply instructions): Cast input operands to
 116         signed32 before casting them to signed64 so that the sign bit
 117         is propagated properly.
 118
 119 Mon Feb 23 20:23:19 1998  Mark Alexander  <marka@cygnus.com>
 120
 121         * Makefile.in: Last change was bad.  Define NL_TARGET
 122         so that targ-vals.h will be used instead of syscall.h.
 123         * simops.c: Use targ-vals.h instead of syscall.h.
 124         (OP_F020): Disable unsupported system calls.
 125
 126 Mon Feb 23 09:44:38 1998  Mark Alexander  <marka@cygnus.com>
 127
 128         * Makefile.in: Get header files from libgloss/mn10300/sys.
 129
 130 Sun Feb 22 16:02:24 1998  Jeffrey A Law  (law@cygnus.com)
 131
 132         * simops.c: Include sim-types.h.
 133
 134 Wed Feb 18 13:07:08 1998  Jeffrey A Law  (law@cygnus.com)
 135
 136         * simops.c (multiply instructions): Cast input operands to a
 137         signed64/unsigned64 type as appropriate.
 138
 139 Tue Feb 17 12:47:16 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 140
 141         * interp.c (sim_store_register, sim_fetch_register): Pass in
 142         length parameter.  Return -1.
 143
 144 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 145
 146         * configure: Regenerated to track ../common/aclocal.m4 changes.
 147
 148 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 149
 150         * configure: Regenerated to track ../common/aclocal.m4 changes.
 151
 152 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 153
 154         * configure: Regenerated to track ../common/aclocal.m4 changes.
 155
 156 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 157
 158         * configure: Regenerated to track ../common/aclocal.m4 changes.
 159         * config.in: Ditto.
 160
 161 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 162
 163         * configure: Regenerated to track ../common/aclocal.m4 changes.
 164
 165 Tue Nov 11 10:38:52 1997  Jeffrey A Law  (law@cygnus.com)
 166
 167         * simops.c (call:16 call:32): Stack adjustment is determined solely
 168         by the imm8 field.
 169
 170 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 171
 172         * interp.c (sim_load): Pass lma_p and sim_write args to
 173         sim_load_file.
 174
 175 Tue Oct 21 10:12:03 1997  Jeffrey A Law  (law@cygnus.com)
 176
 177         * simops.c: Correctly handle register restores for "ret" and "retf"
 178         instructions.
 179
 180 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 181
 182         * configure: Regenerated to track ../common/aclocal.m4 changes.
 183
 184 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 185
 186         * configure: Regenerated to track ../common/aclocal.m4 changes.
 187
 188 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 189
 190         * configure: Regenerated to track ../common/aclocal.m4 changes.
 191
 192 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 193
 194         * configure: Regenerated to track ../common/aclocal.m4 changes.
 195
 196 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 197
 198         * configure: Regenerated to track ../common/aclocal.m4 changes.
 199
 200 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 201
 202         * configure: Regenerated to track ../common/aclocal.m4 changes.
 203
 204 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 205
 206         * configure: Regenerated to track ../common/aclocal.m4 changes.
 207
 208 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 209
 210         * configure: Regenerated to track ../common/aclocal.m4 changes.
 211         * config.in: Ditto.
 212
 213 Tue Aug 26 10:41:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 214
 215         * interp.c (sim_kill): Delete.
 216         (sim_create_inferior): Add ABFD argument.
 217         (sim_load): Move setting of PC from here.
 218         (sim_create_inferior): To here.
 219
 220 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 221
 222         * configure: Regenerated to track ../common/aclocal.m4 changes.
 223         * config.in: Ditto.
 224
 225 Mon Aug 25 16:14:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 226
 227         * interp.c (sim_open): Add ABFD argument.
 228
 229 Tue Jun 24 13:46:20 1997  Jeffrey A Law  (law@cygnus.com)
 230
 231         * interp.c (sim_resume): Clear State.exited.
 232         (sim_stop_reason): If State.exited is nonzero, then indicate that
 233         the simulator exited instead of stopped.
 234         * mn10300_sim.h (struct _state): Add exited field.
 235         * simops.c (syscall): Set State.exited for SYS_exit.
 236
 237 Wed Jun 11 22:07:56 1997  Jeffrey A Law  (law@cygnus.com)
 238
 239         * simops.c: Fix thinko in last change.
 240
 241 Tue Jun 10 12:31:32 1997  Jeffrey A Law  (law@cygnus.com)
 242
 243         * simops.c: "call" stores the callee saved registers into the
 244         stack!  Update the stack pointer properly when done with
 245         register saves.
 246
 247         * simops.c: Fix return address computation for "call" instructions.
 248
 249 Thu May 22 01:43:11 1997  Jeffrey A Law  (law@cygnus.com)
 250
 251         * interp.c (sim_open): Fix typo.
 252
 253 Wed May 21 23:27:58 1997  Jeffrey A Law  (law@cygnus.com)
 254
 255         * interp.c (sim_resume): Add missing case in big switch
 256         statement (for extb instruction).
 257
 258 Tue May 20 17:51:30 1997  Jeffrey A Law  (law@cygnus.com)
 259
 260         * interp.c: Replace all references to load_mem and store_mem
 261         with references to load_byte, load_half, load_3_byte, load_word
 262         and store_byte, store_half, store_3_byte, store_word.
 263         (INLINE): Delete definition.
 264         (load_mem_big): Likewise.
 265         (max_mem): Make it global.
 266         (dispatch): Make this function inline.
 267         (load_mem, store_mem): Delete functions.
 268         * mn10300_sim.h (INLINE): Define.
 269         (RLW): Delete unused definition.
 270         (load_mem, store_mem): Delete declarations.
 271         (load_mem_big): New definition.
 272         (load_byte, load_half, load_3_byte, load_word): New functions.
 273         (store_byte, store_half, store_3_byte, store_word): New functions.
 274         * simops.c:  Replace all references to load_mem and store_mem
 275         with references to load_byte, load_half, load_3_byte, load_word
 276         and store_byte, store_half, store_3_byte, store_word.
 277
 278 Tue May 20 10:21:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 279
 280         * interp.c (sim_open): Add callback to arguments.
 281         (sim_set_callbacks): Delete SIM_DESC argument.
 282
 283 Mon May 19 13:54:22 1997  Jeffrey A Law  (law@cygnus.com)
 284
 285         * interp.c (dispatch): Make this an inline function.
 286
 287         * simops.c (syscall): Use callback->write regardless of
 288         what file descriptor we're writing too.
 289
 290 Sun May 18 16:46:31 1997  Jeffrey A Law  (law@cygnus.com)
 291
 292         * interp.c (load_mem_big): Remove function.  It's now a macro
 293         defined elsewhere.
 294         (compare_simops): New function.
 295         (sim_open): Sort the Simops table before inserting entries
 296         into the hash table.
 297         * mn10300_sim.h: Remove unused #defines.
 298         (load_mem_big): Define.
 299
 300 Fri May 16 16:36:17 1997  Jeffrey A Law  (law@cygnus.com)
 301
 302         * interp.c (load_mem): If we get a load from an out of range
 303         address, abort.
 304         (store_mem): Likewise for stores.
 305         (max_mem): New variable.
 306
 307 Tue May  6 13:24:36 1997  Jeffrey A Law  (law@cygnus.com)
 308
 309         * mn10300_sim.h: Fix ordering of bits in the PSW.
 310
 311         * interp.c: Improve hashing routine to avoid long list
 312         traversals for common instructions.  Add HASH_STAT support.
 313         Rewrite opcode dispatch code using a big switch instead of
 314         cascaded if/else statements.  Avoid useless calls to load_mem.
 315
 316 Mon May  5 18:07:48 1997  Jeffrey A Law  (law@cygnus.com)
 317
 318         * mn10300_sim.h (struct _state): Add space for mdrq register.
 319         (REG_MDRQ): Define.
 320         * simops.c: Don't abort for trap.  Add support for the extended
 321         instructions, "getx", "putx", "mulq", "mulqu", "sat16", "sat24",
 322         and "bsch".
 323
 324 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 325
 326         * configure: Regenerated to track ../common/aclocal.m4 changes.
 327
 328 Fri Apr 18 14:04:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 329
 330         * interp.c (sim_stop): Add stub function.
 331
 332 Thu Apr 17 03:26:59 1997  Doug Evans  <dje@canuck.cygnus.com>
 333
 334         * Makefile.in (SIM_OBJS): Add sim-load.o.
 335         * interp.c (sim_kind, myname): New static locals.
 336         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 337         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
 338         load file into simulator.  Set start address from bfd.
 339         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 340
 341 Wed Apr 16 19:30:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 342
 343         * simops.c (OP_F020): SYS_execv, SYS_time, SYS_times, SYS_utime
 344         only include if implemented by host.
 345         (OP_F020): Typecast arg passed to time function;
 346
 347 Mon Apr  7 23:57:49 1997  Jeffrey A Law  (law@cygnus.com)
 348
 349         * simops.c (syscall): Handle new mn10300 calling conventions.
 350
 351 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 352
 353         * configure: Regenerated to track ../common/aclocal.m4 changes.
 354         * config.in: Ditto.
 355
 356 Fri Apr  4 20:02:37 1997  Ian Lance Taylor  <ian@cygnus.com>
 357
 358         * Makefile.in: Change mn10300-opc.o to m10300-opc.o, to match
 359         corresponding change in opcodes directory.
 360
 361 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 362
 363         * interp.c (sim_open): New arg `kind'.
 364
 365         * configure: Regenerated to track ../common/aclocal.m4 changes.
 366
 367 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 368
 369         * configure: Regenerated to track ../common/aclocal.m4 changes.
 370
 371 Thu Mar 20 11:58:02 1997  Jeffrey A Law  (law@cygnus.com)
 372
 373         * simops.c: Fix register extraction for a two "movbu" variants.
 374         Somewhat simplify "sub" instructions.
 375         Correctly sign extend operands for "mul".  Put the correct
 376         half of the result in MDR for "mul" and "mulu".
 377         Implement remaining instructions.
 378         Tweak opcode for "syscall".
 379
 380 Tue Mar 18 14:21:21 1997  Jeffrey A Law  (law@cygnus.com)
 381
 382         * simops.c: Do syscall emulation in "syscall" instruction.  Add
 383         dummy "trap" instruction.
 384
 385 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 386
 387         * configure: Regenerated to track ../common/aclocal.m4 changes.
 388
 389 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 390
 391         * configure: Re-generate.
 392
 393 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 394
 395         * configure: Regenerate to track ../common/aclocal.m4 changes.
 396
 397 Thu Mar 13 12:54:45 1997  Doug Evans  <dje@canuck.cygnus.com>
 398
 399         * interp.c (sim_open): New SIM_DESC result.  Argument is now
 400         in argv form.
 401         (other sim_*): New SIM_DESC argument.
 402
 403 Wed Mar 12 15:04:00 1997  Jeffrey A Law  (law@cygnus.com)
 404
 405         * simops.c: Fix carry bit computation for "add" instructions.
 406
 407         * simops.c: Fix typos in bset insns.  Fix arguments to store_mem
 408         for bset imm8,(d8,an) and bclr imm8,(d8,an).
 409
 410 Wed Mar  5 15:00:10 1997  Jeffrey A Law  (law@cygnus.com)
 411
 412         * simops.c: Fix register references when computing Z and N bits
 413         for lsr imm8,dn.
 414
 415 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 416
 417         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 418         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 419         * configure.in: sinclude ../common/aclocal.m4.
 420         * configure: Regenerated.
 421
 422 Fri Jan 24 10:47:25 1997  Jeffrey A Law  (law@cygnus.com)
 423
 424         * interp.c (init_system): Allocate 2^19 bytes of space for the
 425         simulator.
 426
 427 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 428
 429         * configure configure.in Makefile.in:  Update to new configure
 430         scheme which is more compatible with WinGDB builds.
 431         * configure.in:  Improve comment on how to run autoconf.
 432         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 433         * Makefile.in:  Use autoconf substitution to install common
 434         makefile fragment.
 435
 436 Tue Jan 21 15:03:04 1997  Jeffrey A Law  (law@cygnus.com)
 437
 438         * simops.c: Undo last change to "rol" and "ror", original code
 439         was correct!
 440
 441 Thu Jan 16 11:28:14 1997  Jeffrey A Law  (law@cygnus.com)
 442
 443         * simops.c: Fix "rol" and "ror".
 444
 445 Wed Jan 15 06:45:58 1997  Jeffrey A Law  (law@cygnus.com)
 446
 447         * simops.c: Fix typo in last change.
 448
 449 Mon Jan 13 13:22:35 1997  Jeffrey A Law  (law@cygnus.com)
 450
 451         * simops.c: Use REG macros in few places not using them yet.
 452
 453 Mon Jan  6 16:21:19 1997  Jeffrey A Law  (law@cygnus.com)
 454
 455         * mn10300_sim.h (struct _state): Fix number of registers!
 456
 457 Tue Dec 31 16:20:41 1996  Jeffrey A Law  (law@cygnus.com)
 458
 459         * mn10300_sim.h (struct _state): Put all registers into a single
 460         array to make gdb implementation easier.
 461         (REG_*): Add definitions for all registers in the state array.
 462         (SEXT32, SEXT40, SEXT44, SEXT60): Remove unused macros.
 463         * simops.c: Related changes.
 464
 465 Wed Dec 18 10:10:45 1996  Jeffrey A Law  (law@cygnus.com)
 466
 467         * interp.c (sim_resume): Handle 0xff as a single byte insn.
 468
 469         * simops.c: Fix overflow computation for "add" and "inc"
 470         instructions.
 471
 472 Mon Dec 16 10:03:52 1996  Jeffrey A Law  (law@cygnus.com)
 473
 474         * simops.c: Handle "break" instruction.
 475
 476         * simops.c: Fix restoring the PC for "ret" and "retf" instructions.
 477
 478 Wed Dec 11 09:53:10 1996  Jeffrey A Law  (law@cygnus.com)
 479
 480         * gencode.c (write_opcodes): Also write out the format of the
 481         opcode.
 482         * mn10300_sim.h (simops): Add "format" field.
 483         * interp.c (sim_resume): Deal with endianness issues here.
 484
 485 Tue Dec 10 15:05:37 1996  Jeffrey A Law  (law@cygnus.com)
 486
 487         * simops.c (REG0_4): Define.
 488         Use REG0_4 for indexed loads/stores.
 489
 490 Sat Dec  7 09:50:28 1996  Jeffrey A Law  (law@cygnus.com)
 491
 492         * simops.c (REG0_16): Fix typo.
 493
 494 Fri Dec  6 14:13:34 1996  Jeffrey A Law  (law@cygnus.com)
 495
 496         * simops.c: Call abort for any instruction that's not currently
 497         simulated.
 498
 499         * simops.c: Define accessor macros to extract register
 500         values from instructions.  Use them consistently.
 501
 502         * interp.c: Delete unused global variable "OP".
 503         (sim_resume): Remove unused variable "opcode".
 504         * simops.c: Fix some uninitialized variable problems, add
 505         parens to fix various -Wall warnings.
 506
 507         * gencode.c (write_header): Add "insn" and "extension" arguments
 508         to the OP_* declarations.
 509         (write_template): Similarly for function templates.
 510         * interp.c (insn, extension): Remove global variables.  Instead
 511         pass them as arguments to the OP_* functions.
 512         * mn10300_sim.h: Remove decls for "insn" and "extension".
 513         * simops.c (OP_*): Accept "insn" and "extension" as arguments
 514         instead of using globals.
 515
 516 Thu Dec  5 22:26:31 1996  Jeffrey A Law  (law@cygnus.com)
 517
 518         * simops.c: Fix typos in "mov am,(d16,an)" and "mov am,(d32,an)"
 519
 520         * simops.c: Fix thinkos in last change to "inc dn".
 521
 522 Wed Dec  4 10:57:53 1996  Jeffrey A Law  (law@cygnus.com)
 523
 524         * simops.c: "add imm,sp" does not effect the condition codes.
 525         "inc dn" does effect the condition codes.
 526
 527 Tue Dec  3 17:37:45 1996  Jeffrey A Law  (law@cygnus.com)
 528
 529         * simops.c: Treat both operands as signed values for
 530         "div" instruction.
 531
 532         * simops.c: Fix simulation of division instructions.
 533         Fix typos/thinkos in several "cmp" and "sub" instructions.
 534
 535 Mon Dec  2 12:31:40 1996  Jeffrey A Law  (law@cygnus.com)
 536
 537         * simops.c: Fix carry bit handling in "sub" and "cmp"
 538         instructions.
 539
 540         * simops.c: Fix "mov imm8,an" and "mov imm16,dn".
 541
 542 Sun Dec  1 16:05:42 1996  Jeffrey A Law  (law@cygnus.com)
 543
 544         * simops.c: Fix overflow computation for many instructions.
 545
 546         * simops.c: Fix "mov dm, an", "movbu dm, (an)", and "movhu dm, (an)".
 547
 548         * simops.c: Fix "mov am, dn".
 549
 550         * simops.c: Fix more bugs in "add imm,an" and
 551         "add imm,dn".
 552
 553 Wed Nov 27 09:20:42 1996  Jeffrey A Law  (law@cygnus.com)
 554
 555         * simops.c: Fix bugs in "movm" and "add imm,an".
 556
 557         * simops.c: Don't lose the upper 24 bits of the return
 558         pointer in "call" and "calls" instructions.  Rough cut
 559         at emulated system calls.
 560
 561         * simops.c: Implement the remaining 5, 6 and 7 byte instructions.
 562
 563         * simops.c: Implement remaining 4 byte instructions.
 564
 565         * simops.c: Implement remaining 3 byte instructions.
 566
 567         * simops.c: Implement remaining 2 byte instructions.  Call
 568         abort for instructions we're not implementing now.
 569
 570 Tue Nov 26 15:43:41 1996  Jeffrey A Law  (law@cygnus.com)
 571
 572         * simops.c: Implement lots of random instructions.
 573
 574         * simops.c: Implement "movm" and "bCC" insns.
 575
 576         * mn10300_sim.h (_state): Add another register (MDR).
 577         (REG_MDR): Define.
 578         * simops.c: Implement "cmp", "calls", "rets", "jmp" and
 579         a few additional random insns.
 580
 581         * mn10300_sim.h (PSW_*): Define for CC status tracking.
 582         (REG_D0, REG_A0, REG_SP): Define.
 583         * simops.c: Implement "add", "addc" and a few other random
 584         instructions.
 585
 586         * gencode.c, interp.c: Snapshot current simulator code.
 587
 588 Mon Nov 25 12:46:38 1996  Jeffrey A Law  (law@cygnus.com)
 589
 590         * Makefile.in, config.in, configure, configure.in: New files.
 591         * gencode.c, interp.c, mn10300_sim.h, simops.c: New files.
 592