sim/mn10300/ChangeLog

   1 Tue Apr 14 10:03:02 1998  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * mn10300.igen (mov, cmp): Use new igen operators `!' and `=' to
   4         differentiate between MOV/CMP immediate/register instructions.
   5
   6         * configure.in (SIM_AC_OPTION_INLINE): Add and enable.
   7         * configure: Regenerate.
   8
   9         * sim-main.h: Define SIM_MAIN_INLINE=0 so that generated
  10         semantics.c does not include the still to be created sim-main.c.
  11
  12 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  13
  14         * configure: Regenerated to track ../common/aclocal.m4 changes.
  15
  16 start-sanitize-am30
  17 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  18
  19         * interp.c (hw): Delete variable, moved to SIM_DESC.
  20         (sim_open): Delete calls to hw_tree_create, hw_tree_finish.
  21         Handled by sim-module.
  22         (sim_open): Do not anotate tree with trace properties, handled by
  23         sim-hw.c
  24         (sim_open): Call sim_hw_parse instead of hw_tree_parse.
  25
  26         * configure: Regenerated to track ../common/aclocal.m4 changes.
  27
  28 end-sanitize-am30
  29 start-sanitize-am30
  30 Thu Mar 26 20:46:18 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>
  31
  32         * dv-mn103cpu.c (deliver_mn103cpu_interrupt):  Save the entire PC
  33         on the stack when delivering interrupts (not just the lower
  34         half)...
  35         * mn10300.igen (mov (Di,Am),Dn):  Fix decode.  Registers were
  36         specified in the wrong order.
  37
  38 end-sanitize-am30
  39 start-sanitize-am30
  40 Fri Mar 27 00:56:40 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  41
  42         * dv-mn103cpu.c (deliver_mn103cpu_interrupt): Stop loss of
  43         succeeding interrupts, clear pending_handler when the handler
  44         isn't re-scheduled.
  45
  46 end-sanitize-am30
  47 Thu Mar 26 10:11:01 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>
  48
  49         * Makefile.in (tmp-igen):  Prefix all usage of move-if-change
  50         script with $(SHELL) to make NT native builds happy.
  51         * configure:  Regenerate because of change to ../common/aclocal.m4.
  52
  53 Thu Mar 26 11:22:31 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  54
  55         * configure.in: Make --enable-sim-common the default.
  56         * configure: Re-generate.
  57
  58         * sim-main.h (CIA_GET, CIA_SET): Save/restore current instruction
  59         address into Sate.regs[REG_PC] instead of common struct.
  60
  61 Wed Mar 25 17:42:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
  62
  63         * mn10300.igen (cmp imm8,An): Do not sign extend imm8 value.
  64
  65 Wed Mar 25 12:08:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
  66
  67         * simops.c (OP_F0FD): Initialise variable 'sp'.
  68
  69 start-sanitize-am30
  70 Thu Mar 26 00:21:32 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  71
  72         * dv-mn103int.c (decode_group): A group register every 4 bytes not
  73         8.
  74         (write_icr): Rewrite equation updating request field.
  75         (read_iagr): Fix check that interrupt is still pending.
  76
  77 end-sanitize-am30
  78 start-sanitize-am30
  79 Wed Mar 25 16:14:50 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  80
  81         * interp.c (sim_open): Tidy up device creation.
  82
  83         * dv-mn103int.c (mn103int_port_event): Drive NMI with non-zero
  84         value.
  85         (mn103int_io_read_buffer): Convert absolute address to register
  86         block offsets.
  87         (read_icr, write_icr): Convert block offset into group offset.
  88
  89 end-sanitize-am30
  90 Wed Mar 25 15:08:49 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  91
  92         * interp.c (sim_open): Create second 1mb memory region at
  93         0x40000000.
  94         (sim_open): Create a device tree.
  95         (sim-hw.h): Include.
  96 start-sanitize-am30
  97         (do_interrupt): Delete, needs to use dv-mn103cpu.c
  98
  99         * dv-mn103int.c, dv-mn103cpu.c: New files.
 100 end-sanitize-am30
 101
 102 Wed Mar 25 08:47:38 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 103
 104         * mn10300_sim.h (EXTRACT_PSW_LM, INSERT_PSW_LM, PSW_IE, PSW_LM):
 105         Define.
 106         (SP): Define.
 107
 108 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 109
 110         * configure: Regenerated to track ../common/aclocal.m4 changes.
 111
 112 Wed Mar 25 10:24:48 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 113
 114         * interp.c (sim-options.h): Include.
 115         (sim_kind, myname): Declare when not using common framework.
 116
 117         * mn10300_sim.h (do_syscall, generic*): Provide prototypes for
 118         functions found in op_utils.c
 119
 120         * mn10300.igen (add): Discard unused variables.
 121
 122         * configure, config.in: Re-generate with autoconf 2.12.1.
 123
 124 Tue Mar 24 15:27:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 125
 126         Add support for --enable-sim-common option.
 127         * Makefile.in (WITHOUT_COMMON_OBJS): Files included if
 128         ! --enable-sim-common
 129         (WITH_COMMON_OBJS): Files included if --enable-sim-common.
 130         (MN10300_OBJS,MN10300_INTERP_DEP): New variables.
 131         (SIM_OBJS): Rewrite.
 132         ({WITHOUT,WITH}_COMMON_RUN_OBJS,SIM_RUN_OBJS): New variables.
 133         (SIM_EXTRA_CFLAGS): New variable.
 134         (clean-extra): Clean up igen files.
 135         (../igen/igen,clean-igen,tmp-igen): New rules.
 136         * configure.in: Add support for common framework via
 137         --enable-sim-common.
 138         * configure: Regenerate.
 139         * interp.c: #include sim-main if WITH_COMMON, not mn10300_sim.h.
 140         (hash,dispatch,sim_size): Don't compile if ! WITH_COMMON.
 141         (init_system,sim_write,compare_simops): Likewise.
 142         (sim_set_profile,sim_set_profile_size): Likewise.
 143         (sim_stop,sim_resume,sim_trace,sim_info): Likewise.
 144         (sim_set_callbacks,sim_stop_reason,sim_read,sim_load): Likewise.
 145         (enum interrupt_type): New enum.
 146         (interrupt_names): New global.
 147         (do_interrupt): New function.
 148         (sim_open): Define differently if WITH_COMMON.
 149         (sim_close,sim_create_inferior,sim_do_command): Likewise.
 150         * mn10300_sim.h ({load,store}_{byte,half,word}): Define versions
 151         for WITH_COMMON.
 152         * mn10300.igen: New file.
 153         * mn10300.dc: New file.
 154         * op_utils.c: New file.
 155         * sim-main.h: New file.
 156
 157 Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 158
 159         * configure: Regenerated to track ../common/aclocal.m4 changes.
 160
 161 Fri Feb 27 18:36:04 1998  Jeffrey A Law  (law@cygnus.com)
 162
 163         * simops.c (inc): Fix typo.
 164
 165 Wed Feb 25 01:59:29 1998  Jeffrey A Law  (law@cygnus.com)
 166
 167         * simops.c (signed multiply instructions): Cast input operands to
 168         signed32 before casting them to signed64 so that the sign bit
 169         is propagated properly.
 170
 171 Mon Feb 23 20:23:19 1998  Mark Alexander  <marka@cygnus.com>
 172
 173         * Makefile.in: Last change was bad.  Define NL_TARGET
 174         so that targ-vals.h will be used instead of syscall.h.
 175         * simops.c: Use targ-vals.h instead of syscall.h.
 176         (OP_F020): Disable unsupported system calls.
 177
 178 Mon Feb 23 09:44:38 1998  Mark Alexander  <marka@cygnus.com>
 179
 180         * Makefile.in: Get header files from libgloss/mn10300/sys.
 181
 182 Sun Feb 22 16:02:24 1998  Jeffrey A Law  (law@cygnus.com)
 183
 184         * simops.c: Include sim-types.h.
 185
 186 Wed Feb 18 13:07:08 1998  Jeffrey A Law  (law@cygnus.com)
 187
 188         * simops.c (multiply instructions): Cast input operands to a
 189         signed64/unsigned64 type as appropriate.
 190
 191 Tue Feb 17 12:47:16 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 192
 193         * interp.c (sim_store_register, sim_fetch_register): Pass in
 194         length parameter.  Return -1.
 195
 196 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 197
 198         * configure: Regenerated to track ../common/aclocal.m4 changes.
 199
 200 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 201
 202         * configure: Regenerated to track ../common/aclocal.m4 changes.
 203
 204 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 205
 206         * configure: Regenerated to track ../common/aclocal.m4 changes.
 207
 208 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 209
 210         * configure: Regenerated to track ../common/aclocal.m4 changes.
 211         * config.in: Ditto.
 212
 213 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 214
 215         * configure: Regenerated to track ../common/aclocal.m4 changes.
 216
 217 Tue Nov 11 10:38:52 1997  Jeffrey A Law  (law@cygnus.com)
 218
 219         * simops.c (call:16 call:32): Stack adjustment is determined solely
 220         by the imm8 field.
 221
 222 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 223
 224         * interp.c (sim_load): Pass lma_p and sim_write args to
 225         sim_load_file.
 226
 227 Tue Oct 21 10:12:03 1997  Jeffrey A Law  (law@cygnus.com)
 228
 229         * simops.c: Correctly handle register restores for "ret" and "retf"
 230         instructions.
 231
 232 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 233
 234         * configure: Regenerated to track ../common/aclocal.m4 changes.
 235
 236 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 237
 238         * configure: Regenerated to track ../common/aclocal.m4 changes.
 239
 240 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 241
 242         * configure: Regenerated to track ../common/aclocal.m4 changes.
 243
 244 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 245
 246         * configure: Regenerated to track ../common/aclocal.m4 changes.
 247
 248 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 249
 250         * configure: Regenerated to track ../common/aclocal.m4 changes.
 251
 252 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 253
 254         * configure: Regenerated to track ../common/aclocal.m4 changes.
 255
 256 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 257
 258         * configure: Regenerated to track ../common/aclocal.m4 changes.
 259
 260 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 261
 262         * configure: Regenerated to track ../common/aclocal.m4 changes.
 263         * config.in: Ditto.
 264
 265 Tue Aug 26 10:41:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 266
 267         * interp.c (sim_kill): Delete.
 268         (sim_create_inferior): Add ABFD argument.
 269         (sim_load): Move setting of PC from here.
 270         (sim_create_inferior): To here.
 271
 272 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 273
 274         * configure: Regenerated to track ../common/aclocal.m4 changes.
 275         * config.in: Ditto.
 276
 277 Mon Aug 25 16:14:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 278
 279         * interp.c (sim_open): Add ABFD argument.
 280
 281 Tue Jun 24 13:46:20 1997  Jeffrey A Law  (law@cygnus.com)
 282
 283         * interp.c (sim_resume): Clear State.exited.
 284         (sim_stop_reason): If State.exited is nonzero, then indicate that
 285         the simulator exited instead of stopped.
 286         * mn10300_sim.h (struct _state): Add exited field.
 287         * simops.c (syscall): Set State.exited for SYS_exit.
 288
 289 Wed Jun 11 22:07:56 1997  Jeffrey A Law  (law@cygnus.com)
 290
 291         * simops.c: Fix thinko in last change.
 292
 293 Tue Jun 10 12:31:32 1997  Jeffrey A Law  (law@cygnus.com)
 294
 295         * simops.c: "call" stores the callee saved registers into the
 296         stack!  Update the stack pointer properly when done with
 297         register saves.
 298
 299         * simops.c: Fix return address computation for "call" instructions.
 300
 301 Thu May 22 01:43:11 1997  Jeffrey A Law  (law@cygnus.com)
 302
 303         * interp.c (sim_open): Fix typo.
 304
 305 Wed May 21 23:27:58 1997  Jeffrey A Law  (law@cygnus.com)
 306
 307         * interp.c (sim_resume): Add missing case in big switch
 308         statement (for extb instruction).
 309
 310 Tue May 20 17:51:30 1997  Jeffrey A Law  (law@cygnus.com)
 311
 312         * interp.c: Replace all references to load_mem and store_mem
 313         with references to load_byte, load_half, load_3_byte, load_word
 314         and store_byte, store_half, store_3_byte, store_word.
 315         (INLINE): Delete definition.
 316         (load_mem_big): Likewise.
 317         (max_mem): Make it global.
 318         (dispatch): Make this function inline.
 319         (load_mem, store_mem): Delete functions.
 320         * mn10300_sim.h (INLINE): Define.
 321         (RLW): Delete unused definition.
 322         (load_mem, store_mem): Delete declarations.
 323         (load_mem_big): New definition.
 324         (load_byte, load_half, load_3_byte, load_word): New functions.
 325         (store_byte, store_half, store_3_byte, store_word): New functions.
 326         * simops.c:  Replace all references to load_mem and store_mem
 327         with references to load_byte, load_half, load_3_byte, load_word
 328         and store_byte, store_half, store_3_byte, store_word.
 329
 330 Tue May 20 10:21:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 331
 332         * interp.c (sim_open): Add callback to arguments.
 333         (sim_set_callbacks): Delete SIM_DESC argument.
 334
 335 Mon May 19 13:54:22 1997  Jeffrey A Law  (law@cygnus.com)
 336
 337         * interp.c (dispatch): Make this an inline function.
 338
 339         * simops.c (syscall): Use callback->write regardless of
 340         what file descriptor we're writing too.
 341
 342 Sun May 18 16:46:31 1997  Jeffrey A Law  (law@cygnus.com)
 343
 344         * interp.c (load_mem_big): Remove function.  It's now a macro
 345         defined elsewhere.
 346         (compare_simops): New function.
 347         (sim_open): Sort the Simops table before inserting entries
 348         into the hash table.
 349         * mn10300_sim.h: Remove unused #defines.
 350         (load_mem_big): Define.
 351
 352 Fri May 16 16:36:17 1997  Jeffrey A Law  (law@cygnus.com)
 353
 354         * interp.c (load_mem): If we get a load from an out of range
 355         address, abort.
 356         (store_mem): Likewise for stores.
 357         (max_mem): New variable.
 358
 359 Tue May  6 13:24:36 1997  Jeffrey A Law  (law@cygnus.com)
 360
 361         * mn10300_sim.h: Fix ordering of bits in the PSW.
 362
 363         * interp.c: Improve hashing routine to avoid long list
 364         traversals for common instructions.  Add HASH_STAT support.
 365         Rewrite opcode dispatch code using a big switch instead of
 366         cascaded if/else statements.  Avoid useless calls to load_mem.
 367
 368 Mon May  5 18:07:48 1997  Jeffrey A Law  (law@cygnus.com)
 369
 370         * mn10300_sim.h (struct _state): Add space for mdrq register.
 371         (REG_MDRQ): Define.
 372         * simops.c: Don't abort for trap.  Add support for the extended
 373         instructions, "getx", "putx", "mulq", "mulqu", "sat16", "sat24",
 374         and "bsch".
 375
 376 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 377
 378         * configure: Regenerated to track ../common/aclocal.m4 changes.
 379
 380 Fri Apr 18 14:04:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 381
 382         * interp.c (sim_stop): Add stub function.
 383
 384 Thu Apr 17 03:26:59 1997  Doug Evans  <dje@canuck.cygnus.com>
 385
 386         * Makefile.in (SIM_OBJS): Add sim-load.o.
 387         * interp.c (sim_kind, myname): New static locals.
 388         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 389         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
 390         load file into simulator.  Set start address from bfd.
 391         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 392
 393 Wed Apr 16 19:30:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 394
 395         * simops.c (OP_F020): SYS_execv, SYS_time, SYS_times, SYS_utime
 396         only include if implemented by host.
 397         (OP_F020): Typecast arg passed to time function;
 398
 399 Mon Apr  7 23:57:49 1997  Jeffrey A Law  (law@cygnus.com)
 400
 401         * simops.c (syscall): Handle new mn10300 calling conventions.
 402
 403 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 404
 405         * configure: Regenerated to track ../common/aclocal.m4 changes.
 406         * config.in: Ditto.
 407
 408 Fri Apr  4 20:02:37 1997  Ian Lance Taylor  <ian@cygnus.com>
 409
 410         * Makefile.in: Change mn10300-opc.o to m10300-opc.o, to match
 411         corresponding change in opcodes directory.
 412
 413 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 414
 415         * interp.c (sim_open): New arg `kind'.
 416
 417         * configure: Regenerated to track ../common/aclocal.m4 changes.
 418
 419 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 420
 421         * configure: Regenerated to track ../common/aclocal.m4 changes.
 422
 423 Thu Mar 20 11:58:02 1997  Jeffrey A Law  (law@cygnus.com)
 424
 425         * simops.c: Fix register extraction for a two "movbu" variants.
 426         Somewhat simplify "sub" instructions.
 427         Correctly sign extend operands for "mul".  Put the correct
 428         half of the result in MDR for "mul" and "mulu".
 429         Implement remaining instructions.
 430         Tweak opcode for "syscall".
 431
 432 Tue Mar 18 14:21:21 1997  Jeffrey A Law  (law@cygnus.com)
 433
 434         * simops.c: Do syscall emulation in "syscall" instruction.  Add
 435         dummy "trap" instruction.
 436
 437 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 438
 439         * configure: Regenerated to track ../common/aclocal.m4 changes.
 440
 441 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 442
 443         * configure: Re-generate.
 444
 445 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 446
 447         * configure: Regenerate to track ../common/aclocal.m4 changes.
 448
 449 Thu Mar 13 12:54:45 1997  Doug Evans  <dje@canuck.cygnus.com>
 450
 451         * interp.c (sim_open): New SIM_DESC result.  Argument is now
 452         in argv form.
 453         (other sim_*): New SIM_DESC argument.
 454
 455 Wed Mar 12 15:04:00 1997  Jeffrey A Law  (law@cygnus.com)
 456
 457         * simops.c: Fix carry bit computation for "add" instructions.
 458
 459         * simops.c: Fix typos in bset insns.  Fix arguments to store_mem
 460         for bset imm8,(d8,an) and bclr imm8,(d8,an).
 461
 462 Wed Mar  5 15:00:10 1997  Jeffrey A Law  (law@cygnus.com)
 463
 464         * simops.c: Fix register references when computing Z and N bits
 465         for lsr imm8,dn.
 466
 467 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 468
 469         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 470         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 471         * configure.in: sinclude ../common/aclocal.m4.
 472         * configure: Regenerated.
 473
 474 Fri Jan 24 10:47:25 1997  Jeffrey A Law  (law@cygnus.com)
 475
 476         * interp.c (init_system): Allocate 2^19 bytes of space for the
 477         simulator.
 478
 479 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 480
 481         * configure configure.in Makefile.in:  Update to new configure
 482         scheme which is more compatible with WinGDB builds.
 483         * configure.in:  Improve comment on how to run autoconf.
 484         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 485         * Makefile.in:  Use autoconf substitution to install common
 486         makefile fragment.
 487
 488 Tue Jan 21 15:03:04 1997  Jeffrey A Law  (law@cygnus.com)
 489
 490         * simops.c: Undo last change to "rol" and "ror", original code
 491         was correct!
 492
 493 Thu Jan 16 11:28:14 1997  Jeffrey A Law  (law@cygnus.com)
 494
 495         * simops.c: Fix "rol" and "ror".
 496
 497 Wed Jan 15 06:45:58 1997  Jeffrey A Law  (law@cygnus.com)
 498
 499         * simops.c: Fix typo in last change.
 500
 501 Mon Jan 13 13:22:35 1997  Jeffrey A Law  (law@cygnus.com)
 502
 503         * simops.c: Use REG macros in few places not using them yet.
 504
 505 Mon Jan  6 16:21:19 1997  Jeffrey A Law  (law@cygnus.com)
 506
 507         * mn10300_sim.h (struct _state): Fix number of registers!
 508
 509 Tue Dec 31 16:20:41 1996  Jeffrey A Law  (law@cygnus.com)
 510
 511         * mn10300_sim.h (struct _state): Put all registers into a single
 512         array to make gdb implementation easier.
 513         (REG_*): Add definitions for all registers in the state array.
 514         (SEXT32, SEXT40, SEXT44, SEXT60): Remove unused macros.
 515         * simops.c: Related changes.
 516
 517 Wed Dec 18 10:10:45 1996  Jeffrey A Law  (law@cygnus.com)
 518
 519         * interp.c (sim_resume): Handle 0xff as a single byte insn.
 520
 521         * simops.c: Fix overflow computation for "add" and "inc"
 522         instructions.
 523
 524 Mon Dec 16 10:03:52 1996  Jeffrey A Law  (law@cygnus.com)
 525
 526         * simops.c: Handle "break" instruction.
 527
 528         * simops.c: Fix restoring the PC for "ret" and "retf" instructions.
 529
 530 Wed Dec 11 09:53:10 1996  Jeffrey A Law  (law@cygnus.com)
 531
 532         * gencode.c (write_opcodes): Also write out the format of the
 533         opcode.
 534         * mn10300_sim.h (simops): Add "format" field.
 535         * interp.c (sim_resume): Deal with endianness issues here.
 536
 537 Tue Dec 10 15:05:37 1996  Jeffrey A Law  (law@cygnus.com)
 538
 539         * simops.c (REG0_4): Define.
 540         Use REG0_4 for indexed loads/stores.
 541
 542 Sat Dec  7 09:50:28 1996  Jeffrey A Law  (law@cygnus.com)
 543
 544         * simops.c (REG0_16): Fix typo.
 545
 546 Fri Dec  6 14:13:34 1996  Jeffrey A Law  (law@cygnus.com)
 547
 548         * simops.c: Call abort for any instruction that's not currently
 549         simulated.
 550
 551         * simops.c: Define accessor macros to extract register
 552         values from instructions.  Use them consistently.
 553
 554         * interp.c: Delete unused global variable "OP".
 555         (sim_resume): Remove unused variable "opcode".
 556         * simops.c: Fix some uninitialized variable problems, add
 557         parens to fix various -Wall warnings.
 558
 559         * gencode.c (write_header): Add "insn" and "extension" arguments
 560         to the OP_* declarations.
 561         (write_template): Similarly for function templates.
 562         * interp.c (insn, extension): Remove global variables.  Instead
 563         pass them as arguments to the OP_* functions.
 564         * mn10300_sim.h: Remove decls for "insn" and "extension".
 565         * simops.c (OP_*): Accept "insn" and "extension" as arguments
 566         instead of using globals.
 567
 568 Thu Dec  5 22:26:31 1996  Jeffrey A Law  (law@cygnus.com)
 569
 570         * simops.c: Fix typos in "mov am,(d16,an)" and "mov am,(d32,an)"
 571
 572         * simops.c: Fix thinkos in last change to "inc dn".
 573
 574 Wed Dec  4 10:57:53 1996  Jeffrey A Law  (law@cygnus.com)
 575
 576         * simops.c: "add imm,sp" does not effect the condition codes.
 577         "inc dn" does effect the condition codes.
 578
 579 Tue Dec  3 17:37:45 1996  Jeffrey A Law  (law@cygnus.com)
 580
 581         * simops.c: Treat both operands as signed values for
 582         "div" instruction.
 583
 584         * simops.c: Fix simulation of division instructions.
 585         Fix typos/thinkos in several "cmp" and "sub" instructions.
 586
 587 Mon Dec  2 12:31:40 1996  Jeffrey A Law  (law@cygnus.com)
 588
 589         * simops.c: Fix carry bit handling in "sub" and "cmp"
 590         instructions.
 591
 592         * simops.c: Fix "mov imm8,an" and "mov imm16,dn".
 593
 594 Sun Dec  1 16:05:42 1996  Jeffrey A Law  (law@cygnus.com)
 595
 596         * simops.c: Fix overflow computation for many instructions.
 597
 598         * simops.c: Fix "mov dm, an", "movbu dm, (an)", and "movhu dm, (an)".
 599
 600         * simops.c: Fix "mov am, dn".
 601
 602         * simops.c: Fix more bugs in "add imm,an" and
 603         "add imm,dn".
 604
 605 Wed Nov 27 09:20:42 1996  Jeffrey A Law  (law@cygnus.com)
 606
 607         * simops.c: Fix bugs in "movm" and "add imm,an".
 608
 609         * simops.c: Don't lose the upper 24 bits of the return
 610         pointer in "call" and "calls" instructions.  Rough cut
 611         at emulated system calls.
 612
 613         * simops.c: Implement the remaining 5, 6 and 7 byte instructions.
 614
 615         * simops.c: Implement remaining 4 byte instructions.
 616
 617         * simops.c: Implement remaining 3 byte instructions.
 618
 619         * simops.c: Implement remaining 2 byte instructions.  Call
 620         abort for instructions we're not implementing now.
 621
 622 Tue Nov 26 15:43:41 1996  Jeffrey A Law  (law@cygnus.com)
 623
 624         * simops.c: Implement lots of random instructions.
 625
 626         * simops.c: Implement "movm" and "bCC" insns.
 627
 628         * mn10300_sim.h (_state): Add another register (MDR).
 629         (REG_MDR): Define.
 630         * simops.c: Implement "cmp", "calls", "rets", "jmp" and
 631         a few additional random insns.
 632
 633         * mn10300_sim.h (PSW_*): Define for CC status tracking.
 634         (REG_D0, REG_A0, REG_SP): Define.
 635         * simops.c: Implement "add", "addc" and a few other random
 636         instructions.
 637
 638         * gencode.c, interp.c: Snapshot current simulator code.
 639
 640 Mon Nov 25 12:46:38 1996  Jeffrey A Law  (law@cygnus.com)
 641
 642         * Makefile.in, config.in, configure, configure.in: New files.
 643         * gencode.c, interp.c, mn10300_sim.h, simops.c: New files.
 644