sim/mn10300/ChangeLog

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