sim/mn10300/ChangeLog

   1 start-sanitize-am33
   2 Thu Jul 23 10:05:28 1998  Jeffrey A Law  (law@cygnus.com)
   3
   4         * am33.igen: Autoincrement loads/store fixes.
   5
   6 Tue Jul 21 09:48:14 1998  Jeffrey A Law  (law@cygnus.com)
   7
   8         * am33.igen: Add mov_lCC DSP instructions.
   9
  10         * am33.igen: Add most am33 DSP instructions.
  11
  12 end-sanitize-am33
  13 Thu Jul  9 10:06:55 1998  Jeffrey A Law  (law@cygnus.com)
  14
  15         * mn10300.igen: Fix Z bit for addc and subc instructions.
  16         Minor fixes in multiply/divide patterns.
  17
  18 start-sanitize-am33
  19         * am33.igen: Add missing mul[u] imm32,Rn.  Fix condition code
  20         handling for many instructions.  Fix sign extension for some
  21         24bit immediates.
  22
  23         * am33.igen: Fix Z bit for remaining addc/subc instructions.
  24         Do not sign extend immediate for mov imm,XRn.
  25         More random mul, mac & div fixes.
  26         Remove some unused variables.
  27         Sign extend 24bit displacement in memory addresses.
  28
  29         * am33.igen: Fix Z bit for addc Rm,Rn and subc Rm,Rn.  Various
  30         fixes to 2 register multiply, divide and mac instructions.  Set
  31         Z,N correctly for sat16.  Sign extend 24 bit immediate for add,
  32         and sub instructions.
  33
  34         * am33.igen: Add remaining non-DSP instructions.
  35 end-sanitize-am33
  36
  37 start-sanitize-am33
  38 Wed Jul  8 16:29:12 1998  Jeffrey A Law  (law@cygnus.com)
  39
  40         * am33.igen (translate_rreg): New function.  Use it as appropriate.
  41
  42         * am33.igen: More am33 instructions.  Fix "div".
  43
  44 Mon Jul  6 15:39:22 1998  Jeffrey A Law  (law@cygnus.com)
  45
  46         * mn10300.igen: Add am33 support.
  47
  48         * Makefile.in: Use multi-sim to support both a mn10300 and am33
  49         simulator.
  50
  51         * am33.igen: Add many more am33 instructions.
  52
  53 end-sanitize-am33
  54 Wed Jul  1 17:07:09 1998  Jeffrey A Law  (law@cygnus.com)
  55
  56         * mn10300_sim.h (FETCH24): Define.
  57
  58 start-sanitize-am33
  59         * mn10300_sim.h: Add defines for some registers found on the AM33.
  60         * am33.igen: New file with some am33 support.
  61 end-sanitize-am33
  62
  63 Tue Jun 30 11:23:20 1998  Jeffrey A Law  (law@cygnus.com)
  64
  65         * mn10300_sim.h: Include bfd.h
  66         (struct state): Add more room for processor specific registers.
  67 start-sanitize-am33
  68         (REG_E0): Define.
  69 end-sanitize-am33
  70
  71 start-sanitize-am30
  72 Thu Jun 25 10:12:03 1998  Joyce Janczyn  <janczyn@cygnus.com>
  73
  74         * dv-mn103tim.c: Include sim-assert.h
  75         * dv-mn103ser.c (do_polling_event): Check for incoming data on
  76         serial line and schedule next polling event.
  77         (read_status_reg): schedule events to check for incoming data on
  78         serial line and issue interrupt if necessary.
  79
  80 Fri Jun 19 16:47:27 1998  Joyce Janczyn  <janczyn@cygnus.com>
  81
  82         * interp.c (sim_open): hook up serial 1 and 2 ports properly (typo).
  83
  84 Fri Jun 19 11:59:26 1998  Joyce Janczyn  <janczyn@cygnus.com>
  85
  86         * interp.c (board): Rename am32 to stdeval1 as this is the name
  87         consistently used to refer to the mn1030002 board.
  88
  89 Thu June 18 14:37:14 1998  Joyce Janczyn  <janczyn@cygnus.com>
  90         * interp.c (sim_open): Fix typo in address of EXTMD register
  91         (0x34000280, not 0x3400280).
  92
  93 end-sanitize-am30
  94 Wed Jun 17 18:00:18 1998  Jeffrey A Law  (law@cygnus.com)
  95
  96         * simops.c (syscall): Handle change in opcode # for syscall.
  97         * mn10300.igen (syscall): Likewise.
  98
  99 start-sanitize-am30
 100 Tue June 16 09:36:21 1998  Joyce Janczyn  <janczyn@cygnus.com>
 101         * dv-mn103int.c (mn103int_finish): Regular interrupts (not NMI or
 102         reset) are not enabled on reset.
 103
 104 Sun June 14 17:04:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 105         * dv-mn103iop.c (write_*_reg): Check for attempt to write r/o
 106         register bits.
 107         * dv-mn103ser.c: Fill in methods for reading and writing to serial
 108         device registers.
 109         * interp.c (sim_open): Make the serial device a polling device.
 110
 111 Fri June 12 16:24:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 112         * dv-mn103iop.c: New file for handling am32 io ports.
 113         * configure.in: Add mn103iop to hw_device list.
 114         * configure: Re-generate.
 115         * interp.c (sim_open): Create io port device.
 116
 117 Wed June 10 14:34:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 118         * dv-mn103int.c (external_group): Use enumerated types to access
 119         correct group addresses.
 120         * dv-mn103tim.c (do_counter_event): Underflow of cascaded timer
 121         triggers an interrupt on the higher-numbered timer's port.
 122
 123 end-sanitize-am30
 124 Mon June 8 13:30:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 125         * interp.c: (mn10300_option_handler): New function parses arguments
 126         using sim-options.
 127 start-sanitize-am30
 128         * (board): Add --board option for specifying am32.
 129         * (sim_open): Create new timer and serial devices and control
 130         configuration of other am32 devices via board option.
 131         * dv-mn103tim.c, dv-mn103ser.c: New files for timers and serial devices.
 132         * dv-mn103cpu.c: Fix typos in opening comments.
 133         * dv-mn103int.c: Adjust interrupt controller settings for am32 instead of am30.
 134         * configure.in: Add mn103tim and mn103ser to hw_device list.
 135         * configure: Re-generate.
 136 end-sanitize-am30
 137
 138 start-sanitize-am30
 139 Mon May 25 20:50:35 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 140
 141         * dv-mn103int.c, dv-mn103cpu.c: Rename *_callback to *_method.
 142
 143         * dv-mn103cpu.c, dv-mn103int.c: Include hw-main.h and
 144         sim-main.h. Declare a struct hw_descriptor instead of struct
 145         hw_device_descriptor.
 146
 147 Mon May 25 17:33:33 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 148
 149         * dv-mn103cpu.c (struct mn103cpu): Change type of pending_handler
 150         to struct hw_event.
 151
 152 Fri May 22 12:17:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 153
 154         * configure.in (SIM_AC_OPTION_HARDWARE): Add argument "yes".
 155
 156 Wed May  6 13:29:06 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 157
 158         * interp.c (sim_open): Create a polling PAL device.
 159
 160 end-sanitize-am30
 161 Fri May  1 16:39:15 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 162
 163         * dv-mn103int.c (mn103int_port_event):
 164         (mn103int_port_event):
 165         (mn103int_io_read_buffer):
 166         (mn103int_io_write_buffer):
 167
 168         * dv-mn103cpu.c (deliver_mn103cpu_interrupt): Drop CPU/CIA args.
 169         (mn103cpu_port_event): Ditto.
 170         (mn103cpu_io_read_buffer): Ditto.
 171         (mn103cpu_io_write_buffer): Ditto.
 172
 173 Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>
 174
 175         * configure: Regenerated to track ../common/aclocal.m4 changes.
 176
 177 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
 178
 179         * configure: Regenerated to track ../common/aclocal.m4 changes.
 180         * config.in: Ditto.
 181
 182 Sun Apr 26 15:19:55 1998  Tom Tromey  <tromey@cygnus.com>
 183
 184         * acconfig.h: New file.
 185         * configure.in: Reverted change of Apr 24; use sinclude again.
 186
 187 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
 188
 189         * configure: Regenerated to track ../common/aclocal.m4 changes.
 190         * config.in: Ditto.
 191
 192 Fri Apr 24 11:19:07 1998  Tom Tromey  <tromey@cygnus.com>
 193
 194         * configure.in: Don't call sinclude.
 195
 196 Tue Apr 14 10:03:02 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 197
 198         * mn10300_sim.h: Declare all functions in op_utils.c using
 199         INLINE_SIM_MAIN.
 200         * op_utils.c: Ditto.
 201         * sim-main.c: New file.  Include op_utils.c.
 202
 203         * mn10300.igen (mov, cmp): Use new igen operators `!' and `=' to
 204         differentiate between MOV/CMP immediate/register instructions.
 205
 206         * configure.in (SIM_AC_OPTION_INLINE): Add and enable.
 207         * configure: Regenerate.
 208
 209 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 210
 211         * configure: Regenerated to track ../common/aclocal.m4 changes.
 212
 213 start-sanitize-am30
 214 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 215
 216         * interp.c (hw): Delete variable, moved to SIM_DESC.
 217         (sim_open): Delete calls to hw_tree_create, hw_tree_finish.
 218         Handled by sim-module.
 219         (sim_open): Do not anotate tree with trace properties, handled by
 220         sim-hw.c
 221         (sim_open): Call sim_hw_parse instead of hw_tree_parse.
 222
 223         * configure: Regenerated to track ../common/aclocal.m4 changes.
 224
 225 end-sanitize-am30
 226 start-sanitize-am30
 227 Thu Mar 26 20:46:18 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>
 228
 229         * dv-mn103cpu.c (deliver_mn103cpu_interrupt):  Save the entire PC
 230         on the stack when delivering interrupts (not just the lower
 231         half)...
 232         * mn10300.igen (mov (Di,Am),Dn):  Fix decode.  Registers were
 233         specified in the wrong order.
 234
 235 end-sanitize-am30
 236 start-sanitize-am30
 237 Fri Mar 27 00:56:40 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 238
 239         * dv-mn103cpu.c (deliver_mn103cpu_interrupt): Stop loss of
 240         succeeding interrupts, clear pending_handler when the handler
 241         isn't re-scheduled.
 242
 243 end-sanitize-am30
 244 Thu Mar 26 10:11:01 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>
 245
 246         * Makefile.in (tmp-igen):  Prefix all usage of move-if-change
 247         script with $(SHELL) to make NT native builds happy.
 248         * configure:  Regenerate because of change to ../common/aclocal.m4.
 249
 250 Thu Mar 26 11:22:31 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 251
 252         * configure.in: Make --enable-sim-common the default.
 253         * configure: Re-generate.
 254
 255         * sim-main.h (CIA_GET, CIA_SET): Save/restore current instruction
 256         address into Sate.regs[REG_PC] instead of common struct.
 257
 258 Wed Mar 25 17:42:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 259
 260         * mn10300.igen (cmp imm8,An): Do not sign extend imm8 value.
 261
 262 Wed Mar 25 12:08:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 263
 264         * simops.c (OP_F0FD): Initialise variable 'sp'.
 265
 266 start-sanitize-am30
 267 Thu Mar 26 00:21:32 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 268
 269         * dv-mn103int.c (decode_group): A group register every 4 bytes not
 270         8.
 271         (write_icr): Rewrite equation updating request field.
 272         (read_iagr): Fix check that interrupt is still pending.
 273
 274 end-sanitize-am30
 275 start-sanitize-am30
 276 Wed Mar 25 16:14:50 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 277
 278         * interp.c (sim_open): Tidy up device creation.
 279
 280         * dv-mn103int.c (mn103int_port_event): Drive NMI with non-zero
 281         value.
 282         (mn103int_io_read_buffer): Convert absolute address to register
 283         block offsets.
 284         (read_icr, write_icr): Convert block offset into group offset.
 285
 286 end-sanitize-am30
 287 Wed Mar 25 15:08:49 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 288
 289         * interp.c (sim_open): Create second 1mb memory region at
 290         0x40000000.
 291         (sim_open): Create a device tree.
 292         (sim-hw.h): Include.
 293 start-sanitize-am30
 294         (do_interrupt): Delete, needs to use dv-mn103cpu.c
 295
 296         * dv-mn103int.c, dv-mn103cpu.c: New files.
 297 end-sanitize-am30
 298
 299 Wed Mar 25 08:47:38 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 300
 301         * mn10300_sim.h (EXTRACT_PSW_LM, INSERT_PSW_LM, PSW_IE, PSW_LM):
 302         Define.
 303         (SP): Define.
 304
 305 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 306
 307         * configure: Regenerated to track ../common/aclocal.m4 changes.
 308
 309 Wed Mar 25 10:24:48 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 310
 311         * interp.c (sim-options.h): Include.
 312         (sim_kind, myname): Declare when not using common framework.
 313
 314         * mn10300_sim.h (do_syscall, generic*): Provide prototypes for
 315         functions found in op_utils.c
 316
 317         * mn10300.igen (add): Discard unused variables.
 318
 319         * configure, config.in: Re-generate with autoconf 2.12.1.
 320
 321 Tue Mar 24 15:27:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 322
 323         Add support for --enable-sim-common option.
 324         * Makefile.in (WITHOUT_COMMON_OBJS): Files included if
 325         ! --enable-sim-common
 326         (WITH_COMMON_OBJS): Files included if --enable-sim-common.
 327         (MN10300_OBJS,MN10300_INTERP_DEP): New variables.
 328         (SIM_OBJS): Rewrite.
 329         ({WITHOUT,WITH}_COMMON_RUN_OBJS,SIM_RUN_OBJS): New variables.
 330         (SIM_EXTRA_CFLAGS): New variable.
 331         (clean-extra): Clean up igen files.
 332         (../igen/igen,clean-igen,tmp-igen): New rules.
 333         * configure.in: Add support for common framework via
 334         --enable-sim-common.
 335         * configure: Regenerate.
 336         * interp.c: #include sim-main if WITH_COMMON, not mn10300_sim.h.
 337         (hash,dispatch,sim_size): Don't compile if ! WITH_COMMON.
 338         (init_system,sim_write,compare_simops): Likewise.
 339         (sim_set_profile,sim_set_profile_size): Likewise.
 340         (sim_stop,sim_resume,sim_trace,sim_info): Likewise.
 341         (sim_set_callbacks,sim_stop_reason,sim_read,sim_load): Likewise.
 342         (enum interrupt_type): New enum.
 343         (interrupt_names): New global.
 344         (do_interrupt): New function.
 345         (sim_open): Define differently if WITH_COMMON.
 346         (sim_close,sim_create_inferior,sim_do_command): Likewise.
 347         * mn10300_sim.h ({load,store}_{byte,half,word}): Define versions
 348         for WITH_COMMON.
 349         * mn10300.igen: New file.
 350         * mn10300.dc: New file.
 351         * op_utils.c: New file.
 352         * sim-main.h: New file.
 353
 354 Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 355
 356         * configure: Regenerated to track ../common/aclocal.m4 changes.
 357
 358 Fri Feb 27 18:36:04 1998  Jeffrey A Law  (law@cygnus.com)
 359
 360         * simops.c (inc): Fix typo.
 361
 362 Wed Feb 25 01:59:29 1998  Jeffrey A Law  (law@cygnus.com)
 363
 364         * simops.c (signed multiply instructions): Cast input operands to
 365         signed32 before casting them to signed64 so that the sign bit
 366         is propagated properly.
 367
 368 Mon Feb 23 20:23:19 1998  Mark Alexander  <marka@cygnus.com>
 369
 370         * Makefile.in: Last change was bad.  Define NL_TARGET
 371         so that targ-vals.h will be used instead of syscall.h.
 372         * simops.c: Use targ-vals.h instead of syscall.h.
 373         (OP_F020): Disable unsupported system calls.
 374
 375 Mon Feb 23 09:44:38 1998  Mark Alexander  <marka@cygnus.com>
 376
 377         * Makefile.in: Get header files from libgloss/mn10300/sys.
 378
 379 Sun Feb 22 16:02:24 1998  Jeffrey A Law  (law@cygnus.com)
 380
 381         * simops.c: Include sim-types.h.
 382
 383 Wed Feb 18 13:07:08 1998  Jeffrey A Law  (law@cygnus.com)
 384
 385         * simops.c (multiply instructions): Cast input operands to a
 386         signed64/unsigned64 type as appropriate.
 387
 388 Tue Feb 17 12:47:16 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 389
 390         * interp.c (sim_store_register, sim_fetch_register): Pass in
 391         length parameter.  Return -1.
 392
 393 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 394
 395         * configure: Regenerated to track ../common/aclocal.m4 changes.
 396
 397 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 398
 399         * configure: Regenerated to track ../common/aclocal.m4 changes.
 400
 401 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 402
 403         * configure: Regenerated to track ../common/aclocal.m4 changes.
 404
 405 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 406
 407         * configure: Regenerated to track ../common/aclocal.m4 changes.
 408         * config.in: Ditto.
 409
 410 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 411
 412         * configure: Regenerated to track ../common/aclocal.m4 changes.
 413
 414 Tue Nov 11 10:38:52 1997  Jeffrey A Law  (law@cygnus.com)
 415
 416         * simops.c (call:16 call:32): Stack adjustment is determined solely
 417         by the imm8 field.
 418
 419 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 420
 421         * interp.c (sim_load): Pass lma_p and sim_write args to
 422         sim_load_file.
 423
 424 Tue Oct 21 10:12:03 1997  Jeffrey A Law  (law@cygnus.com)
 425
 426         * simops.c: Correctly handle register restores for "ret" and "retf"
 427         instructions.
 428
 429 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 430
 431         * configure: Regenerated to track ../common/aclocal.m4 changes.
 432
 433 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 434
 435         * configure: Regenerated to track ../common/aclocal.m4 changes.
 436
 437 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 438
 439         * configure: Regenerated to track ../common/aclocal.m4 changes.
 440
 441 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 442
 443         * configure: Regenerated to track ../common/aclocal.m4 changes.
 444
 445 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 446
 447         * configure: Regenerated to track ../common/aclocal.m4 changes.
 448
 449 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 450
 451         * configure: Regenerated to track ../common/aclocal.m4 changes.
 452
 453 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 454
 455         * configure: Regenerated to track ../common/aclocal.m4 changes.
 456
 457 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 458
 459         * configure: Regenerated to track ../common/aclocal.m4 changes.
 460         * config.in: Ditto.
 461
 462 Tue Aug 26 10:41:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 463
 464         * interp.c (sim_kill): Delete.
 465         (sim_create_inferior): Add ABFD argument.
 466         (sim_load): Move setting of PC from here.
 467         (sim_create_inferior): To here.
 468
 469 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 470
 471         * configure: Regenerated to track ../common/aclocal.m4 changes.
 472         * config.in: Ditto.
 473
 474 Mon Aug 25 16:14:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 475
 476         * interp.c (sim_open): Add ABFD argument.
 477
 478 Tue Jun 24 13:46:20 1997  Jeffrey A Law  (law@cygnus.com)
 479
 480         * interp.c (sim_resume): Clear State.exited.
 481         (sim_stop_reason): If State.exited is nonzero, then indicate that
 482         the simulator exited instead of stopped.
 483         * mn10300_sim.h (struct _state): Add exited field.
 484         * simops.c (syscall): Set State.exited for SYS_exit.
 485
 486 Wed Jun 11 22:07:56 1997  Jeffrey A Law  (law@cygnus.com)
 487
 488         * simops.c: Fix thinko in last change.
 489
 490 Tue Jun 10 12:31:32 1997  Jeffrey A Law  (law@cygnus.com)
 491
 492         * simops.c: "call" stores the callee saved registers into the
 493         stack!  Update the stack pointer properly when done with
 494         register saves.
 495
 496         * simops.c: Fix return address computation for "call" instructions.
 497
 498 Thu May 22 01:43:11 1997  Jeffrey A Law  (law@cygnus.com)
 499
 500         * interp.c (sim_open): Fix typo.
 501
 502 Wed May 21 23:27:58 1997  Jeffrey A Law  (law@cygnus.com)
 503
 504         * interp.c (sim_resume): Add missing case in big switch
 505         statement (for extb instruction).
 506
 507 Tue May 20 17:51:30 1997  Jeffrey A Law  (law@cygnus.com)
 508
 509         * interp.c: Replace all references to load_mem and store_mem
 510         with references to load_byte, load_half, load_3_byte, load_word
 511         and store_byte, store_half, store_3_byte, store_word.
 512         (INLINE): Delete definition.
 513         (load_mem_big): Likewise.
 514         (max_mem): Make it global.
 515         (dispatch): Make this function inline.
 516         (load_mem, store_mem): Delete functions.
 517         * mn10300_sim.h (INLINE): Define.
 518         (RLW): Delete unused definition.
 519         (load_mem, store_mem): Delete declarations.
 520         (load_mem_big): New definition.
 521         (load_byte, load_half, load_3_byte, load_word): New functions.
 522         (store_byte, store_half, store_3_byte, store_word): New functions.
 523         * simops.c:  Replace all references to load_mem and store_mem
 524         with references to load_byte, load_half, load_3_byte, load_word
 525         and store_byte, store_half, store_3_byte, store_word.
 526
 527 Tue May 20 10:21:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 528
 529         * interp.c (sim_open): Add callback to arguments.
 530         (sim_set_callbacks): Delete SIM_DESC argument.
 531
 532 Mon May 19 13:54:22 1997  Jeffrey A Law  (law@cygnus.com)
 533
 534         * interp.c (dispatch): Make this an inline function.
 535
 536         * simops.c (syscall): Use callback->write regardless of
 537         what file descriptor we're writing too.
 538
 539 Sun May 18 16:46:31 1997  Jeffrey A Law  (law@cygnus.com)
 540
 541         * interp.c (load_mem_big): Remove function.  It's now a macro
 542         defined elsewhere.
 543         (compare_simops): New function.
 544         (sim_open): Sort the Simops table before inserting entries
 545         into the hash table.
 546         * mn10300_sim.h: Remove unused #defines.
 547         (load_mem_big): Define.
 548
 549 Fri May 16 16:36:17 1997  Jeffrey A Law  (law@cygnus.com)
 550
 551         * interp.c (load_mem): If we get a load from an out of range
 552         address, abort.
 553         (store_mem): Likewise for stores.
 554         (max_mem): New variable.
 555
 556 Tue May  6 13:24:36 1997  Jeffrey A Law  (law@cygnus.com)
 557
 558         * mn10300_sim.h: Fix ordering of bits in the PSW.
 559
 560         * interp.c: Improve hashing routine to avoid long list
 561         traversals for common instructions.  Add HASH_STAT support.
 562         Rewrite opcode dispatch code using a big switch instead of
 563         cascaded if/else statements.  Avoid useless calls to load_mem.
 564
 565 Mon May  5 18:07:48 1997  Jeffrey A Law  (law@cygnus.com)
 566
 567         * mn10300_sim.h (struct _state): Add space for mdrq register.
 568         (REG_MDRQ): Define.
 569         * simops.c: Don't abort for trap.  Add support for the extended
 570         instructions, "getx", "putx", "mulq", "mulqu", "sat16", "sat24",
 571         and "bsch".
 572
 573 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 574
 575         * configure: Regenerated to track ../common/aclocal.m4 changes.
 576
 577 Fri Apr 18 14:04:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 578
 579         * interp.c (sim_stop): Add stub function.
 580
 581 Thu Apr 17 03:26:59 1997  Doug Evans  <dje@canuck.cygnus.com>
 582
 583         * Makefile.in (SIM_OBJS): Add sim-load.o.
 584         * interp.c (sim_kind, myname): New static locals.
 585         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 586         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
 587         load file into simulator.  Set start address from bfd.
 588         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 589
 590 Wed Apr 16 19:30:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 591
 592         * simops.c (OP_F020): SYS_execv, SYS_time, SYS_times, SYS_utime
 593         only include if implemented by host.
 594         (OP_F020): Typecast arg passed to time function;
 595
 596 Mon Apr  7 23:57:49 1997  Jeffrey A Law  (law@cygnus.com)
 597
 598         * simops.c (syscall): Handle new mn10300 calling conventions.
 599
 600 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 601
 602         * configure: Regenerated to track ../common/aclocal.m4 changes.
 603         * config.in: Ditto.
 604
 605 Fri Apr  4 20:02:37 1997  Ian Lance Taylor  <ian@cygnus.com>
 606
 607         * Makefile.in: Change mn10300-opc.o to m10300-opc.o, to match
 608         corresponding change in opcodes directory.
 609
 610 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 611
 612         * interp.c (sim_open): New arg `kind'.
 613
 614         * configure: Regenerated to track ../common/aclocal.m4 changes.
 615
 616 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 617
 618         * configure: Regenerated to track ../common/aclocal.m4 changes.
 619
 620 Thu Mar 20 11:58:02 1997  Jeffrey A Law  (law@cygnus.com)
 621
 622         * simops.c: Fix register extraction for a two "movbu" variants.
 623         Somewhat simplify "sub" instructions.
 624         Correctly sign extend operands for "mul".  Put the correct
 625         half of the result in MDR for "mul" and "mulu".
 626         Implement remaining instructions.
 627         Tweak opcode for "syscall".
 628
 629 Tue Mar 18 14:21:21 1997  Jeffrey A Law  (law@cygnus.com)
 630
 631         * simops.c: Do syscall emulation in "syscall" instruction.  Add
 632         dummy "trap" instruction.
 633
 634 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 635
 636         * configure: Regenerated to track ../common/aclocal.m4 changes.
 637
 638 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 639
 640         * configure: Re-generate.
 641
 642 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 643
 644         * configure: Regenerate to track ../common/aclocal.m4 changes.
 645
 646 Thu Mar 13 12:54:45 1997  Doug Evans  <dje@canuck.cygnus.com>
 647
 648         * interp.c (sim_open): New SIM_DESC result.  Argument is now
 649         in argv form.
 650         (other sim_*): New SIM_DESC argument.
 651
 652 Wed Mar 12 15:04:00 1997  Jeffrey A Law  (law@cygnus.com)
 653
 654         * simops.c: Fix carry bit computation for "add" instructions.
 655
 656         * simops.c: Fix typos in bset insns.  Fix arguments to store_mem
 657         for bset imm8,(d8,an) and bclr imm8,(d8,an).
 658
 659 Wed Mar  5 15:00:10 1997  Jeffrey A Law  (law@cygnus.com)
 660
 661         * simops.c: Fix register references when computing Z and N bits
 662         for lsr imm8,dn.
 663
 664 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 665
 666         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 667         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 668         * configure.in: sinclude ../common/aclocal.m4.
 669         * configure: Regenerated.
 670
 671 Fri Jan 24 10:47:25 1997  Jeffrey A Law  (law@cygnus.com)
 672
 673         * interp.c (init_system): Allocate 2^19 bytes of space for the
 674         simulator.
 675
 676 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 677
 678         * configure configure.in Makefile.in:  Update to new configure
 679         scheme which is more compatible with WinGDB builds.
 680         * configure.in:  Improve comment on how to run autoconf.
 681         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 682         * Makefile.in:  Use autoconf substitution to install common
 683         makefile fragment.
 684
 685 Tue Jan 21 15:03:04 1997  Jeffrey A Law  (law@cygnus.com)
 686
 687         * simops.c: Undo last change to "rol" and "ror", original code
 688         was correct!
 689
 690 Thu Jan 16 11:28:14 1997  Jeffrey A Law  (law@cygnus.com)
 691
 692         * simops.c: Fix "rol" and "ror".
 693
 694 Wed Jan 15 06:45:58 1997  Jeffrey A Law  (law@cygnus.com)
 695
 696         * simops.c: Fix typo in last change.
 697
 698 Mon Jan 13 13:22:35 1997  Jeffrey A Law  (law@cygnus.com)
 699
 700         * simops.c: Use REG macros in few places not using them yet.
 701
 702 Mon Jan  6 16:21:19 1997  Jeffrey A Law  (law@cygnus.com)
 703
 704         * mn10300_sim.h (struct _state): Fix number of registers!
 705
 706 Tue Dec 31 16:20:41 1996  Jeffrey A Law  (law@cygnus.com)
 707
 708         * mn10300_sim.h (struct _state): Put all registers into a single
 709         array to make gdb implementation easier.
 710         (REG_*): Add definitions for all registers in the state array.
 711         (SEXT32, SEXT40, SEXT44, SEXT60): Remove unused macros.
 712         * simops.c: Related changes.
 713
 714 Wed Dec 18 10:10:45 1996  Jeffrey A Law  (law@cygnus.com)
 715
 716         * interp.c (sim_resume): Handle 0xff as a single byte insn.
 717
 718         * simops.c: Fix overflow computation for "add" and "inc"
 719         instructions.
 720
 721 Mon Dec 16 10:03:52 1996  Jeffrey A Law  (law@cygnus.com)
 722
 723         * simops.c: Handle "break" instruction.
 724
 725         * simops.c: Fix restoring the PC for "ret" and "retf" instructions.
 726
 727 Wed Dec 11 09:53:10 1996  Jeffrey A Law  (law@cygnus.com)
 728
 729         * gencode.c (write_opcodes): Also write out the format of the
 730         opcode.
 731         * mn10300_sim.h (simops): Add "format" field.
 732         * interp.c (sim_resume): Deal with endianness issues here.
 733
 734 Tue Dec 10 15:05:37 1996  Jeffrey A Law  (law@cygnus.com)
 735
 736         * simops.c (REG0_4): Define.
 737         Use REG0_4 for indexed loads/stores.
 738
 739 Sat Dec  7 09:50:28 1996  Jeffrey A Law  (law@cygnus.com)
 740
 741         * simops.c (REG0_16): Fix typo.
 742
 743 Fri Dec  6 14:13:34 1996  Jeffrey A Law  (law@cygnus.com)
 744
 745         * simops.c: Call abort for any instruction that's not currently
 746         simulated.
 747
 748         * simops.c: Define accessor macros to extract register
 749         values from instructions.  Use them consistently.
 750
 751         * interp.c: Delete unused global variable "OP".
 752         (sim_resume): Remove unused variable "opcode".
 753         * simops.c: Fix some uninitialized variable problems, add
 754         parens to fix various -Wall warnings.
 755
 756         * gencode.c (write_header): Add "insn" and "extension" arguments
 757         to the OP_* declarations.
 758         (write_template): Similarly for function templates.
 759         * interp.c (insn, extension): Remove global variables.  Instead
 760         pass them as arguments to the OP_* functions.
 761         * mn10300_sim.h: Remove decls for "insn" and "extension".
 762         * simops.c (OP_*): Accept "insn" and "extension" as arguments
 763         instead of using globals.
 764
 765 Thu Dec  5 22:26:31 1996  Jeffrey A Law  (law@cygnus.com)
 766
 767         * simops.c: Fix typos in "mov am,(d16,an)" and "mov am,(d32,an)"
 768
 769         * simops.c: Fix thinkos in last change to "inc dn".
 770
 771 Wed Dec  4 10:57:53 1996  Jeffrey A Law  (law@cygnus.com)
 772
 773         * simops.c: "add imm,sp" does not effect the condition codes.
 774         "inc dn" does effect the condition codes.
 775
 776 Tue Dec  3 17:37:45 1996  Jeffrey A Law  (law@cygnus.com)
 777
 778         * simops.c: Treat both operands as signed values for
 779         "div" instruction.
 780
 781         * simops.c: Fix simulation of division instructions.
 782         Fix typos/thinkos in several "cmp" and "sub" instructions.
 783
 784 Mon Dec  2 12:31:40 1996  Jeffrey A Law  (law@cygnus.com)
 785
 786         * simops.c: Fix carry bit handling in "sub" and "cmp"
 787         instructions.
 788
 789         * simops.c: Fix "mov imm8,an" and "mov imm16,dn".
 790
 791 Sun Dec  1 16:05:42 1996  Jeffrey A Law  (law@cygnus.com)
 792
 793         * simops.c: Fix overflow computation for many instructions.
 794
 795         * simops.c: Fix "mov dm, an", "movbu dm, (an)", and "movhu dm, (an)".
 796
 797         * simops.c: Fix "mov am, dn".
 798
 799         * simops.c: Fix more bugs in "add imm,an" and
 800         "add imm,dn".
 801
 802 Wed Nov 27 09:20:42 1996  Jeffrey A Law  (law@cygnus.com)
 803
 804         * simops.c: Fix bugs in "movm" and "add imm,an".
 805
 806         * simops.c: Don't lose the upper 24 bits of the return
 807         pointer in "call" and "calls" instructions.  Rough cut
 808         at emulated system calls.
 809
 810         * simops.c: Implement the remaining 5, 6 and 7 byte instructions.
 811
 812         * simops.c: Implement remaining 4 byte instructions.
 813
 814         * simops.c: Implement remaining 3 byte instructions.
 815
 816         * simops.c: Implement remaining 2 byte instructions.  Call
 817         abort for instructions we're not implementing now.
 818
 819 Tue Nov 26 15:43:41 1996  Jeffrey A Law  (law@cygnus.com)
 820
 821         * simops.c: Implement lots of random instructions.
 822
 823         * simops.c: Implement "movm" and "bCC" insns.
 824
 825         * mn10300_sim.h (_state): Add another register (MDR).
 826         (REG_MDR): Define.
 827         * simops.c: Implement "cmp", "calls", "rets", "jmp" and
 828         a few additional random insns.
 829
 830         * mn10300_sim.h (PSW_*): Define for CC status tracking.
 831         (REG_D0, REG_A0, REG_SP): Define.
 832         * simops.c: Implement "add", "addc" and a few other random
 833         instructions.
 834
 835         * gencode.c, interp.c: Snapshot current simulator code.
 836
 837 Mon Nov 25 12:46:38 1996  Jeffrey A Law  (law@cygnus.com)
 838
 839         * Makefile.in, config.in, configure, configure.in: New files.
 840         * gencode.c, interp.c, mn10300_sim.h, simops.c: New files.
 841