sim/mn10300/ChangeLog

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