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