sim/mn10300/ChangeLog

   1 Fri Jul 24 18:15:21 1998  Joyce Janczyn  <janczyn@cygnus.com>
   2
   3         * op_utils.c (do_syscall): Rewrite to use common/syscall.c.
   4         (syscall_read_mem, syscall_write_mem): New functions for syscall
   5         callbacks.
   6         * mn10300_sim.h: Add prototypes for syscall_read_mem and
   7         syscall_write_mem.
   8         * mn10300.igen: Change C++ style comments to C style comments.
   9         Check for divide by zero in div and divu ops.
  10
  11 start-sanitize-am33
  12 Fri Jul 24 12:49:28 1998  Jeffrey A Law  (law@cygnus.com)
  13
  14         * am33.igen (translate_xreg): New function.  Use it as needed.
  15
  16 Thu Jul 23 10:05:28 1998  Jeffrey A Law  (law@cygnus.com)
  17
  18         * am33.igen: Add some missing instructions.
  19
  20         * am33.igen: Autoincrement loads/store fixes.
  21
  22 Tue Jul 21 09:48:14 1998  Jeffrey A Law  (law@cygnus.com)
  23
  24         * am33.igen: Add mov_lCC DSP instructions.
  25
  26         * am33.igen: Add most am33 DSP instructions.
  27
  28 end-sanitize-am33
  29 Thu Jul  9 10:06:55 1998  Jeffrey A Law  (law@cygnus.com)
  30
  31         * mn10300.igen: Fix Z bit for addc and subc instructions.
  32         Minor fixes in multiply/divide patterns.
  33
  34 start-sanitize-am33
  35         * am33.igen: Add missing mul[u] imm32,Rn.  Fix condition code
  36         handling for many instructions.  Fix sign extension for some
  37         24bit immediates.
  38
  39         * am33.igen: Fix Z bit for remaining addc/subc instructions.
  40         Do not sign extend immediate for mov imm,XRn.
  41         More random mul, mac & div fixes.
  42         Remove some unused variables.
  43         Sign extend 24bit displacement in memory addresses.
  44
  45         * am33.igen: Fix Z bit for addc Rm,Rn and subc Rm,Rn.  Various
  46         fixes to 2 register multiply, divide and mac instructions.  Set
  47         Z,N correctly for sat16.  Sign extend 24 bit immediate for add,
  48         and sub instructions.
  49
  50         * am33.igen: Add remaining non-DSP instructions.
  51 end-sanitize-am33
  52
  53 start-sanitize-am33
  54 Wed Jul  8 16:29:12 1998  Jeffrey A Law  (law@cygnus.com)
  55
  56         * am33.igen (translate_rreg): New function.  Use it as appropriate.
  57
  58         * am33.igen: More am33 instructions.  Fix "div".
  59
  60 Mon Jul  6 15:39:22 1998  Jeffrey A Law  (law@cygnus.com)
  61
  62         * mn10300.igen: Add am33 support.
  63
  64         * Makefile.in: Use multi-sim to support both a mn10300 and am33
  65         simulator.
  66
  67         * am33.igen: Add many more am33 instructions.
  68
  69 end-sanitize-am33
  70 Wed Jul  1 17:07:09 1998  Jeffrey A Law  (law@cygnus.com)
  71
  72         * mn10300_sim.h (FETCH24): Define.
  73
  74 start-sanitize-am33
  75         * mn10300_sim.h: Add defines for some registers found on the AM33.
  76         * am33.igen: New file with some am33 support.
  77 end-sanitize-am33
  78
  79 Tue Jun 30 11:23:20 1998  Jeffrey A Law  (law@cygnus.com)
  80
  81         * mn10300_sim.h: Include bfd.h
  82         (struct state): Add more room for processor specific registers.
  83 start-sanitize-am33
  84         (REG_E0): Define.
  85 end-sanitize-am33
  86
  87 start-sanitize-am30
  88 Thu Jun 25 10:12:03 1998  Joyce Janczyn  <janczyn@cygnus.com>
  89
  90         * dv-mn103tim.c: Include sim-assert.h
  91         * dv-mn103ser.c (do_polling_event): Check for incoming data on
  92         serial line and schedule next polling event.
  93         (read_status_reg): schedule events to check for incoming data on
  94         serial line and issue interrupt if necessary.
  95
  96 Fri Jun 19 16:47:27 1998  Joyce Janczyn  <janczyn@cygnus.com>
  97
  98         * interp.c (sim_open): hook up serial 1 and 2 ports properly (typo).
  99
 100 Fri Jun 19 11:59:26 1998  Joyce Janczyn  <janczyn@cygnus.com>
 101
 102         * interp.c (board): Rename am32 to stdeval1 as this is the name
 103         consistently used to refer to the mn1030002 board.
 104
 105 Thu June 18 14:37:14 1998  Joyce Janczyn  <janczyn@cygnus.com>
 106         * interp.c (sim_open): Fix typo in address of EXTMD register
 107         (0x34000280, not 0x3400280).
 108
 109 end-sanitize-am30
 110 Wed Jun 17 18:00:18 1998  Jeffrey A Law  (law@cygnus.com)
 111
 112         * simops.c (syscall): Handle change in opcode # for syscall.
 113         * mn10300.igen (syscall): Likewise.
 114
 115 start-sanitize-am30
 116 Tue June 16 09:36:21 1998  Joyce Janczyn  <janczyn@cygnus.com>
 117         * dv-mn103int.c (mn103int_finish): Regular interrupts (not NMI or
 118         reset) are not enabled on reset.
 119
 120 Sun June 14 17:04:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 121         * dv-mn103iop.c (write_*_reg): Check for attempt to write r/o
 122         register bits.
 123         * dv-mn103ser.c: Fill in methods for reading and writing to serial
 124         device registers.
 125         * interp.c (sim_open): Make the serial device a polling device.
 126
 127 Fri June 12 16:24:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 128         * dv-mn103iop.c: New file for handling am32 io ports.
 129         * configure.in: Add mn103iop to hw_device list.
 130         * configure: Re-generate.
 131         * interp.c (sim_open): Create io port device.
 132
 133 Wed June 10 14:34:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 134         * dv-mn103int.c (external_group): Use enumerated types to access
 135         correct group addresses.
 136         * dv-mn103tim.c (do_counter_event): Underflow of cascaded timer
 137         triggers an interrupt on the higher-numbered timer's port.
 138
 139 end-sanitize-am30
 140 Mon June 8 13:30:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 141         * interp.c: (mn10300_option_handler): New function parses arguments
 142         using sim-options.
 143 start-sanitize-am30
 144         * (board): Add --board option for specifying am32.
 145         * (sim_open): Create new timer and serial devices and control
 146         configuration of other am32 devices via board option.
 147         * dv-mn103tim.c, dv-mn103ser.c: New files for timers and serial devices.
 148         * dv-mn103cpu.c: Fix typos in opening comments.
 149         * dv-mn103int.c: Adjust interrupt controller settings for am32 instead of am30.
 150         * configure.in: Add mn103tim and mn103ser to hw_device list.
 151         * configure: Re-generate.
 152 end-sanitize-am30
 153
 154 start-sanitize-am30
 155 Mon May 25 20:50:35 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 156
 157         * dv-mn103int.c, dv-mn103cpu.c: Rename *_callback to *_method.
 158
 159         * dv-mn103cpu.c, dv-mn103int.c: Include hw-main.h and
 160         sim-main.h. Declare a struct hw_descriptor instead of struct
 161         hw_device_descriptor.
 162
 163 Mon May 25 17:33:33 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 164
 165         * dv-mn103cpu.c (struct mn103cpu): Change type of pending_handler
 166         to struct hw_event.
 167
 168 Fri May 22 12:17:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 169
 170         * configure.in (SIM_AC_OPTION_HARDWARE): Add argument "yes".
 171
 172 Wed May  6 13:29:06 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 173
 174         * interp.c (sim_open): Create a polling PAL device.
 175
 176 end-sanitize-am30
 177 Fri May  1 16:39:15 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 178
 179         * dv-mn103int.c (mn103int_port_event):
 180         (mn103int_port_event):
 181         (mn103int_io_read_buffer):
 182         (mn103int_io_write_buffer):
 183
 184         * dv-mn103cpu.c (deliver_mn103cpu_interrupt): Drop CPU/CIA args.
 185         (mn103cpu_port_event): Ditto.
 186         (mn103cpu_io_read_buffer): Ditto.
 187         (mn103cpu_io_write_buffer): Ditto.
 188
 189 Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>
 190
 191         * configure: Regenerated to track ../common/aclocal.m4 changes.
 192
 193 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
 194
 195         * configure: Regenerated to track ../common/aclocal.m4 changes.
 196         * config.in: Ditto.
 197
 198 Sun Apr 26 15:19:55 1998  Tom Tromey  <tromey@cygnus.com>
 199
 200         * acconfig.h: New file.
 201         * configure.in: Reverted change of Apr 24; use sinclude again.
 202
 203 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
 204
 205         * configure: Regenerated to track ../common/aclocal.m4 changes.
 206         * config.in: Ditto.
 207
 208 Fri Apr 24 11:19:07 1998  Tom Tromey  <tromey@cygnus.com>
 209
 210         * configure.in: Don't call sinclude.
 211
 212 Tue Apr 14 10:03:02 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 213
 214         * mn10300_sim.h: Declare all functions in op_utils.c using
 215         INLINE_SIM_MAIN.
 216         * op_utils.c: Ditto.
 217         * sim-main.c: New file.  Include op_utils.c.
 218
 219         * mn10300.igen (mov, cmp): Use new igen operators `!' and `=' to
 220         differentiate between MOV/CMP immediate/register instructions.
 221
 222         * configure.in (SIM_AC_OPTION_INLINE): Add and enable.
 223         * configure: Regenerate.
 224
 225 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 226
 227         * configure: Regenerated to track ../common/aclocal.m4 changes.
 228
 229 start-sanitize-am30
 230 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 231
 232         * interp.c (hw): Delete variable, moved to SIM_DESC.
 233         (sim_open): Delete calls to hw_tree_create, hw_tree_finish.
 234         Handled by sim-module.
 235         (sim_open): Do not anotate tree with trace properties, handled by
 236         sim-hw.c
 237         (sim_open): Call sim_hw_parse instead of hw_tree_parse.
 238
 239         * configure: Regenerated to track ../common/aclocal.m4 changes.
 240
 241 end-sanitize-am30
 242 start-sanitize-am30
 243 Thu Mar 26 20:46:18 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>
 244
 245         * dv-mn103cpu.c (deliver_mn103cpu_interrupt):  Save the entire PC
 246         on the stack when delivering interrupts (not just the lower
 247         half)...
 248         * mn10300.igen (mov (Di,Am),Dn):  Fix decode.  Registers were
 249         specified in the wrong order.
 250
 251 end-sanitize-am30
 252 start-sanitize-am30
 253 Fri Mar 27 00:56:40 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 254
 255         * dv-mn103cpu.c (deliver_mn103cpu_interrupt): Stop loss of
 256         succeeding interrupts, clear pending_handler when the handler
 257         isn't re-scheduled.
 258
 259 end-sanitize-am30
 260 Thu Mar 26 10:11:01 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>
 261
 262         * Makefile.in (tmp-igen):  Prefix all usage of move-if-change
 263         script with $(SHELL) to make NT native builds happy.
 264         * configure:  Regenerate because of change to ../common/aclocal.m4.
 265
 266 Thu Mar 26 11:22:31 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 267
 268         * configure.in: Make --enable-sim-common the default.
 269         * configure: Re-generate.
 270
 271         * sim-main.h (CIA_GET, CIA_SET): Save/restore current instruction
 272         address into Sate.regs[REG_PC] instead of common struct.
 273
 274 Wed Mar 25 17:42:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 275
 276         * mn10300.igen (cmp imm8,An): Do not sign extend imm8 value.
 277
 278 Wed Mar 25 12:08:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 279
 280         * simops.c (OP_F0FD): Initialise variable 'sp'.
 281
 282 start-sanitize-am30
 283 Thu Mar 26 00:21:32 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 284
 285         * dv-mn103int.c (decode_group): A group register every 4 bytes not
 286         8.
 287         (write_icr): Rewrite equation updating request field.
 288         (read_iagr): Fix check that interrupt is still pending.
 289
 290 end-sanitize-am30
 291 start-sanitize-am30
 292 Wed Mar 25 16:14:50 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 293
 294         * interp.c (sim_open): Tidy up device creation.
 295
 296         * dv-mn103int.c (mn103int_port_event): Drive NMI with non-zero
 297         value.
 298         (mn103int_io_read_buffer): Convert absolute address to register
 299         block offsets.
 300         (read_icr, write_icr): Convert block offset into group offset.
 301
 302 end-sanitize-am30
 303 Wed Mar 25 15:08:49 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 304
 305         * interp.c (sim_open): Create second 1mb memory region at
 306         0x40000000.
 307         (sim_open): Create a device tree.
 308         (sim-hw.h): Include.
 309 start-sanitize-am30
 310         (do_interrupt): Delete, needs to use dv-mn103cpu.c
 311
 312         * dv-mn103int.c, dv-mn103cpu.c: New files.
 313 end-sanitize-am30
 314
 315 Wed Mar 25 08:47:38 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 316
 317         * mn10300_sim.h (EXTRACT_PSW_LM, INSERT_PSW_LM, PSW_IE, PSW_LM):
 318         Define.
 319         (SP): Define.
 320
 321 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 322
 323         * configure: Regenerated to track ../common/aclocal.m4 changes.
 324
 325 Wed Mar 25 10:24:48 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 326
 327         * interp.c (sim-options.h): Include.
 328         (sim_kind, myname): Declare when not using common framework.
 329
 330         * mn10300_sim.h (do_syscall, generic*): Provide prototypes for
 331         functions found in op_utils.c
 332
 333         * mn10300.igen (add): Discard unused variables.
 334
 335         * configure, config.in: Re-generate with autoconf 2.12.1.
 336
 337 Tue Mar 24 15:27:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 338
 339         Add support for --enable-sim-common option.
 340         * Makefile.in (WITHOUT_COMMON_OBJS): Files included if
 341         ! --enable-sim-common
 342         (WITH_COMMON_OBJS): Files included if --enable-sim-common.
 343         (MN10300_OBJS,MN10300_INTERP_DEP): New variables.
 344         (SIM_OBJS): Rewrite.
 345         ({WITHOUT,WITH}_COMMON_RUN_OBJS,SIM_RUN_OBJS): New variables.
 346         (SIM_EXTRA_CFLAGS): New variable.
 347         (clean-extra): Clean up igen files.
 348         (../igen/igen,clean-igen,tmp-igen): New rules.
 349         * configure.in: Add support for common framework via
 350         --enable-sim-common.
 351         * configure: Regenerate.
 352         * interp.c: #include sim-main if WITH_COMMON, not mn10300_sim.h.
 353         (hash,dispatch,sim_size): Don't compile if ! WITH_COMMON.
 354         (init_system,sim_write,compare_simops): Likewise.
 355         (sim_set_profile,sim_set_profile_size): Likewise.
 356         (sim_stop,sim_resume,sim_trace,sim_info): Likewise.
 357         (sim_set_callbacks,sim_stop_reason,sim_read,sim_load): Likewise.
 358         (enum interrupt_type): New enum.
 359         (interrupt_names): New global.
 360         (do_interrupt): New function.
 361         (sim_open): Define differently if WITH_COMMON.
 362         (sim_close,sim_create_inferior,sim_do_command): Likewise.
 363         * mn10300_sim.h ({load,store}_{byte,half,word}): Define versions
 364         for WITH_COMMON.
 365         * mn10300.igen: New file.
 366         * mn10300.dc: New file.
 367         * op_utils.c: New file.
 368         * sim-main.h: New file.
 369
 370 Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 371
 372         * configure: Regenerated to track ../common/aclocal.m4 changes.
 373
 374 Fri Feb 27 18:36:04 1998  Jeffrey A Law  (law@cygnus.com)
 375
 376         * simops.c (inc): Fix typo.
 377
 378 Wed Feb 25 01:59:29 1998  Jeffrey A Law  (law@cygnus.com)
 379
 380         * simops.c (signed multiply instructions): Cast input operands to
 381         signed32 before casting them to signed64 so that the sign bit
 382         is propagated properly.
 383
 384 Mon Feb 23 20:23:19 1998  Mark Alexander  <marka@cygnus.com>
 385
 386         * Makefile.in: Last change was bad.  Define NL_TARGET
 387         so that targ-vals.h will be used instead of syscall.h.
 388         * simops.c: Use targ-vals.h instead of syscall.h.
 389         (OP_F020): Disable unsupported system calls.
 390
 391 Mon Feb 23 09:44:38 1998  Mark Alexander  <marka@cygnus.com>
 392
 393         * Makefile.in: Get header files from libgloss/mn10300/sys.
 394
 395 Sun Feb 22 16:02:24 1998  Jeffrey A Law  (law@cygnus.com)
 396
 397         * simops.c: Include sim-types.h.
 398
 399 Wed Feb 18 13:07:08 1998  Jeffrey A Law  (law@cygnus.com)
 400
 401         * simops.c (multiply instructions): Cast input operands to a
 402         signed64/unsigned64 type as appropriate.
 403
 404 Tue Feb 17 12:47:16 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 405
 406         * interp.c (sim_store_register, sim_fetch_register): Pass in
 407         length parameter.  Return -1.
 408
 409 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 410
 411         * configure: Regenerated to track ../common/aclocal.m4 changes.
 412
 413 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 414
 415         * configure: Regenerated to track ../common/aclocal.m4 changes.
 416
 417 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 418
 419         * configure: Regenerated to track ../common/aclocal.m4 changes.
 420
 421 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 422
 423         * configure: Regenerated to track ../common/aclocal.m4 changes.
 424         * config.in: Ditto.
 425
 426 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 427
 428         * configure: Regenerated to track ../common/aclocal.m4 changes.
 429
 430 Tue Nov 11 10:38:52 1997  Jeffrey A Law  (law@cygnus.com)
 431
 432         * simops.c (call:16 call:32): Stack adjustment is determined solely
 433         by the imm8 field.
 434
 435 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 436
 437         * interp.c (sim_load): Pass lma_p and sim_write args to
 438         sim_load_file.
 439
 440 Tue Oct 21 10:12:03 1997  Jeffrey A Law  (law@cygnus.com)
 441
 442         * simops.c: Correctly handle register restores for "ret" and "retf"
 443         instructions.
 444
 445 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 446
 447         * configure: Regenerated to track ../common/aclocal.m4 changes.
 448
 449 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 450
 451         * configure: Regenerated to track ../common/aclocal.m4 changes.
 452
 453 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 454
 455         * configure: Regenerated to track ../common/aclocal.m4 changes.
 456
 457 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 458
 459         * configure: Regenerated to track ../common/aclocal.m4 changes.
 460
 461 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 462
 463         * configure: Regenerated to track ../common/aclocal.m4 changes.
 464
 465 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 466
 467         * configure: Regenerated to track ../common/aclocal.m4 changes.
 468
 469 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 470
 471         * configure: Regenerated to track ../common/aclocal.m4 changes.
 472
 473 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 474
 475         * configure: Regenerated to track ../common/aclocal.m4 changes.
 476         * config.in: Ditto.
 477
 478 Tue Aug 26 10:41:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 479
 480         * interp.c (sim_kill): Delete.
 481         (sim_create_inferior): Add ABFD argument.
 482         (sim_load): Move setting of PC from here.
 483         (sim_create_inferior): To here.
 484
 485 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 486
 487         * configure: Regenerated to track ../common/aclocal.m4 changes.
 488         * config.in: Ditto.
 489
 490 Mon Aug 25 16:14:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 491
 492         * interp.c (sim_open): Add ABFD argument.
 493
 494 Tue Jun 24 13:46:20 1997  Jeffrey A Law  (law@cygnus.com)
 495
 496         * interp.c (sim_resume): Clear State.exited.
 497         (sim_stop_reason): If State.exited is nonzero, then indicate that
 498         the simulator exited instead of stopped.
 499         * mn10300_sim.h (struct _state): Add exited field.
 500         * simops.c (syscall): Set State.exited for SYS_exit.
 501
 502 Wed Jun 11 22:07:56 1997  Jeffrey A Law  (law@cygnus.com)
 503
 504         * simops.c: Fix thinko in last change.
 505
 506 Tue Jun 10 12:31:32 1997  Jeffrey A Law  (law@cygnus.com)
 507
 508         * simops.c: "call" stores the callee saved registers into the
 509         stack!  Update the stack pointer properly when done with
 510         register saves.
 511
 512         * simops.c: Fix return address computation for "call" instructions.
 513
 514 Thu May 22 01:43:11 1997  Jeffrey A Law  (law@cygnus.com)
 515
 516         * interp.c (sim_open): Fix typo.
 517
 518 Wed May 21 23:27:58 1997  Jeffrey A Law  (law@cygnus.com)
 519
 520         * interp.c (sim_resume): Add missing case in big switch
 521         statement (for extb instruction).
 522
 523 Tue May 20 17:51:30 1997  Jeffrey A Law  (law@cygnus.com)
 524
 525         * interp.c: Replace all references to load_mem and store_mem
 526         with references to load_byte, load_half, load_3_byte, load_word
 527         and store_byte, store_half, store_3_byte, store_word.
 528         (INLINE): Delete definition.
 529         (load_mem_big): Likewise.
 530         (max_mem): Make it global.
 531         (dispatch): Make this function inline.
 532         (load_mem, store_mem): Delete functions.
 533         * mn10300_sim.h (INLINE): Define.
 534         (RLW): Delete unused definition.
 535         (load_mem, store_mem): Delete declarations.
 536         (load_mem_big): New definition.
 537         (load_byte, load_half, load_3_byte, load_word): New functions.
 538         (store_byte, store_half, store_3_byte, store_word): New functions.
 539         * simops.c:  Replace all references to load_mem and store_mem
 540         with references to load_byte, load_half, load_3_byte, load_word
 541         and store_byte, store_half, store_3_byte, store_word.
 542
 543 Tue May 20 10:21:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 544
 545         * interp.c (sim_open): Add callback to arguments.
 546         (sim_set_callbacks): Delete SIM_DESC argument.
 547
 548 Mon May 19 13:54:22 1997  Jeffrey A Law  (law@cygnus.com)
 549
 550         * interp.c (dispatch): Make this an inline function.
 551
 552         * simops.c (syscall): Use callback->write regardless of
 553         what file descriptor we're writing too.
 554
 555 Sun May 18 16:46:31 1997  Jeffrey A Law  (law@cygnus.com)
 556
 557         * interp.c (load_mem_big): Remove function.  It's now a macro
 558         defined elsewhere.
 559         (compare_simops): New function.
 560         (sim_open): Sort the Simops table before inserting entries
 561         into the hash table.
 562         * mn10300_sim.h: Remove unused #defines.
 563         (load_mem_big): Define.
 564
 565 Fri May 16 16:36:17 1997  Jeffrey A Law  (law@cygnus.com)
 566
 567         * interp.c (load_mem): If we get a load from an out of range
 568         address, abort.
 569         (store_mem): Likewise for stores.
 570         (max_mem): New variable.
 571
 572 Tue May  6 13:24:36 1997  Jeffrey A Law  (law@cygnus.com)
 573
 574         * mn10300_sim.h: Fix ordering of bits in the PSW.
 575
 576         * interp.c: Improve hashing routine to avoid long list
 577         traversals for common instructions.  Add HASH_STAT support.
 578         Rewrite opcode dispatch code using a big switch instead of
 579         cascaded if/else statements.  Avoid useless calls to load_mem.
 580
 581 Mon May  5 18:07:48 1997  Jeffrey A Law  (law@cygnus.com)
 582
 583         * mn10300_sim.h (struct _state): Add space for mdrq register.
 584         (REG_MDRQ): Define.
 585         * simops.c: Don't abort for trap.  Add support for the extended
 586         instructions, "getx", "putx", "mulq", "mulqu", "sat16", "sat24",
 587         and "bsch".
 588
 589 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 590
 591         * configure: Regenerated to track ../common/aclocal.m4 changes.
 592
 593 Fri Apr 18 14:04:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 594
 595         * interp.c (sim_stop): Add stub function.
 596
 597 Thu Apr 17 03:26:59 1997  Doug Evans  <dje@canuck.cygnus.com>
 598
 599         * Makefile.in (SIM_OBJS): Add sim-load.o.
 600         * interp.c (sim_kind, myname): New static locals.
 601         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 602         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
 603         load file into simulator.  Set start address from bfd.
 604         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 605
 606 Wed Apr 16 19:30:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 607
 608         * simops.c (OP_F020): SYS_execv, SYS_time, SYS_times, SYS_utime
 609         only include if implemented by host.
 610         (OP_F020): Typecast arg passed to time function;
 611
 612 Mon Apr  7 23:57:49 1997  Jeffrey A Law  (law@cygnus.com)
 613
 614         * simops.c (syscall): Handle new mn10300 calling conventions.
 615
 616 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 617
 618         * configure: Regenerated to track ../common/aclocal.m4 changes.
 619         * config.in: Ditto.
 620
 621 Fri Apr  4 20:02:37 1997  Ian Lance Taylor  <ian@cygnus.com>
 622
 623         * Makefile.in: Change mn10300-opc.o to m10300-opc.o, to match
 624         corresponding change in opcodes directory.
 625
 626 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 627
 628         * interp.c (sim_open): New arg `kind'.
 629
 630         * configure: Regenerated to track ../common/aclocal.m4 changes.
 631
 632 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 633
 634         * configure: Regenerated to track ../common/aclocal.m4 changes.
 635
 636 Thu Mar 20 11:58:02 1997  Jeffrey A Law  (law@cygnus.com)
 637
 638         * simops.c: Fix register extraction for a two "movbu" variants.
 639         Somewhat simplify "sub" instructions.
 640         Correctly sign extend operands for "mul".  Put the correct
 641         half of the result in MDR for "mul" and "mulu".
 642         Implement remaining instructions.
 643         Tweak opcode for "syscall".
 644
 645 Tue Mar 18 14:21:21 1997  Jeffrey A Law  (law@cygnus.com)
 646
 647         * simops.c: Do syscall emulation in "syscall" instruction.  Add
 648         dummy "trap" instruction.
 649
 650 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 651
 652         * configure: Regenerated to track ../common/aclocal.m4 changes.
 653
 654 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 655
 656         * configure: Re-generate.
 657
 658 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 659
 660         * configure: Regenerate to track ../common/aclocal.m4 changes.
 661
 662 Thu Mar 13 12:54:45 1997  Doug Evans  <dje@canuck.cygnus.com>
 663
 664         * interp.c (sim_open): New SIM_DESC result.  Argument is now
 665         in argv form.
 666         (other sim_*): New SIM_DESC argument.
 667
 668 Wed Mar 12 15:04:00 1997  Jeffrey A Law  (law@cygnus.com)
 669
 670         * simops.c: Fix carry bit computation for "add" instructions.
 671
 672         * simops.c: Fix typos in bset insns.  Fix arguments to store_mem
 673         for bset imm8,(d8,an) and bclr imm8,(d8,an).
 674
 675 Wed Mar  5 15:00:10 1997  Jeffrey A Law  (law@cygnus.com)
 676
 677         * simops.c: Fix register references when computing Z and N bits
 678         for lsr imm8,dn.
 679
 680 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 681
 682         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 683         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 684         * configure.in: sinclude ../common/aclocal.m4.
 685         * configure: Regenerated.
 686
 687 Fri Jan 24 10:47:25 1997  Jeffrey A Law  (law@cygnus.com)
 688
 689         * interp.c (init_system): Allocate 2^19 bytes of space for the
 690         simulator.
 691
 692 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 693
 694         * configure configure.in Makefile.in:  Update to new configure
 695         scheme which is more compatible with WinGDB builds.
 696         * configure.in:  Improve comment on how to run autoconf.
 697         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 698         * Makefile.in:  Use autoconf substitution to install common
 699         makefile fragment.
 700
 701 Tue Jan 21 15:03:04 1997  Jeffrey A Law  (law@cygnus.com)
 702
 703         * simops.c: Undo last change to "rol" and "ror", original code
 704         was correct!
 705
 706 Thu Jan 16 11:28:14 1997  Jeffrey A Law  (law@cygnus.com)
 707
 708         * simops.c: Fix "rol" and "ror".
 709
 710 Wed Jan 15 06:45:58 1997  Jeffrey A Law  (law@cygnus.com)
 711
 712         * simops.c: Fix typo in last change.
 713
 714 Mon Jan 13 13:22:35 1997  Jeffrey A Law  (law@cygnus.com)
 715
 716         * simops.c: Use REG macros in few places not using them yet.
 717
 718 Mon Jan  6 16:21:19 1997  Jeffrey A Law  (law@cygnus.com)
 719
 720         * mn10300_sim.h (struct _state): Fix number of registers!
 721
 722 Tue Dec 31 16:20:41 1996  Jeffrey A Law  (law@cygnus.com)
 723
 724         * mn10300_sim.h (struct _state): Put all registers into a single
 725         array to make gdb implementation easier.
 726         (REG_*): Add definitions for all registers in the state array.
 727         (SEXT32, SEXT40, SEXT44, SEXT60): Remove unused macros.
 728         * simops.c: Related changes.
 729
 730 Wed Dec 18 10:10:45 1996  Jeffrey A Law  (law@cygnus.com)
 731
 732         * interp.c (sim_resume): Handle 0xff as a single byte insn.
 733
 734         * simops.c: Fix overflow computation for "add" and "inc"
 735         instructions.
 736
 737 Mon Dec 16 10:03:52 1996  Jeffrey A Law  (law@cygnus.com)
 738
 739         * simops.c: Handle "break" instruction.
 740
 741         * simops.c: Fix restoring the PC for "ret" and "retf" instructions.
 742
 743 Wed Dec 11 09:53:10 1996  Jeffrey A Law  (law@cygnus.com)
 744
 745         * gencode.c (write_opcodes): Also write out the format of the
 746         opcode.
 747         * mn10300_sim.h (simops): Add "format" field.
 748         * interp.c (sim_resume): Deal with endianness issues here.
 749
 750 Tue Dec 10 15:05:37 1996  Jeffrey A Law  (law@cygnus.com)
 751
 752         * simops.c (REG0_4): Define.
 753         Use REG0_4 for indexed loads/stores.
 754
 755 Sat Dec  7 09:50:28 1996  Jeffrey A Law  (law@cygnus.com)
 756
 757         * simops.c (REG0_16): Fix typo.
 758
 759 Fri Dec  6 14:13:34 1996  Jeffrey A Law  (law@cygnus.com)
 760
 761         * simops.c: Call abort for any instruction that's not currently
 762         simulated.
 763
 764         * simops.c: Define accessor macros to extract register
 765         values from instructions.  Use them consistently.
 766
 767         * interp.c: Delete unused global variable "OP".
 768         (sim_resume): Remove unused variable "opcode".
 769         * simops.c: Fix some uninitialized variable problems, add
 770         parens to fix various -Wall warnings.
 771
 772         * gencode.c (write_header): Add "insn" and "extension" arguments
 773         to the OP_* declarations.
 774         (write_template): Similarly for function templates.
 775         * interp.c (insn, extension): Remove global variables.  Instead
 776         pass them as arguments to the OP_* functions.
 777         * mn10300_sim.h: Remove decls for "insn" and "extension".
 778         * simops.c (OP_*): Accept "insn" and "extension" as arguments
 779         instead of using globals.
 780
 781 Thu Dec  5 22:26:31 1996  Jeffrey A Law  (law@cygnus.com)
 782
 783         * simops.c: Fix typos in "mov am,(d16,an)" and "mov am,(d32,an)"
 784
 785         * simops.c: Fix thinkos in last change to "inc dn".
 786
 787 Wed Dec  4 10:57:53 1996  Jeffrey A Law  (law@cygnus.com)
 788
 789         * simops.c: "add imm,sp" does not effect the condition codes.
 790         "inc dn" does effect the condition codes.
 791
 792 Tue Dec  3 17:37:45 1996  Jeffrey A Law  (law@cygnus.com)
 793
 794         * simops.c: Treat both operands as signed values for
 795         "div" instruction.
 796
 797         * simops.c: Fix simulation of division instructions.
 798         Fix typos/thinkos in several "cmp" and "sub" instructions.
 799
 800 Mon Dec  2 12:31:40 1996  Jeffrey A Law  (law@cygnus.com)
 801
 802         * simops.c: Fix carry bit handling in "sub" and "cmp"
 803         instructions.
 804
 805         * simops.c: Fix "mov imm8,an" and "mov imm16,dn".
 806
 807 Sun Dec  1 16:05:42 1996  Jeffrey A Law  (law@cygnus.com)
 808
 809         * simops.c: Fix overflow computation for many instructions.
 810
 811         * simops.c: Fix "mov dm, an", "movbu dm, (an)", and "movhu dm, (an)".
 812
 813         * simops.c: Fix "mov am, dn".
 814
 815         * simops.c: Fix more bugs in "add imm,an" and
 816         "add imm,dn".
 817
 818 Wed Nov 27 09:20:42 1996  Jeffrey A Law  (law@cygnus.com)
 819
 820         * simops.c: Fix bugs in "movm" and "add imm,an".
 821
 822         * simops.c: Don't lose the upper 24 bits of the return
 823         pointer in "call" and "calls" instructions.  Rough cut
 824         at emulated system calls.
 825
 826         * simops.c: Implement the remaining 5, 6 and 7 byte instructions.
 827
 828         * simops.c: Implement remaining 4 byte instructions.
 829
 830         * simops.c: Implement remaining 3 byte instructions.
 831
 832         * simops.c: Implement remaining 2 byte instructions.  Call
 833         abort for instructions we're not implementing now.
 834
 835 Tue Nov 26 15:43:41 1996  Jeffrey A Law  (law@cygnus.com)
 836
 837         * simops.c: Implement lots of random instructions.
 838
 839         * simops.c: Implement "movm" and "bCC" insns.
 840
 841         * mn10300_sim.h (_state): Add another register (MDR).
 842         (REG_MDR): Define.
 843         * simops.c: Implement "cmp", "calls", "rets", "jmp" and
 844         a few additional random insns.
 845
 846         * mn10300_sim.h (PSW_*): Define for CC status tracking.
 847         (REG_D0, REG_A0, REG_SP): Define.
 848         * simops.c: Implement "add", "addc" and a few other random
 849         instructions.
 850
 851         * gencode.c, interp.c: Snapshot current simulator code.
 852
 853 Mon Nov 25 12:46:38 1996  Jeffrey A Law  (law@cygnus.com)
 854
 855         * Makefile.in, config.in, configure, configure.in: New files.
 856         * gencode.c, interp.c, mn10300_sim.h, simops.c: New files.
 857