sim/mn10300/ChangeLog

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