sim/mn10300/ChangeLog

   1 Wed Aug 26 09:29:38 1998  Joyce Janczyn  <janczyn@cygnus.com>
   2
   3         * mn10300.igen (div,divu): Fix divide instructions so divide by 0
   4         behaves like the hardware.
   5
   6 Tue Aug 25 16:46:59 1998  Joyce Janczyn  <janczyn@cygnus.com>
   7
   8         * mn10300.igen (OP_F0F4): Need to load contents of register AN0
   9         for jmp.
  10
  11 Mon Aug 24 11:50:09 1998  Joyce Janczyn  <janczyn@cygnus.com>
  12
  13         * sim-main.h (SIM_HANDLES_LMA): Define SIM_HANDLES_LMA.
  14
  15 start-sanitize-am33
  16 Wed Aug 12 12:36:07 1998  Jeffrey A Law  (law@cygnus.com)
  17
  18         * am33.igen: Handle case where first DSP operation modifies a
  19         register used in the second DSP operation correctly.
  20
  21 Tue Jul 28 10:10:25 1998  Jeffrey A Law  (law@cygnus.com)
  22
  23         * am33.igen: Detect cases where two operands must not match for
  24         DSP instructions too.
  25
  26 Mon Jul 27 12:04:17 1998  Jeffrey A Law  (law@cygnus.com)
  27
  28         * am33.igen: Detect cases where two operands must not match in
  29         non-DSP instructions.
  30
  31 end-sanitize-am33
  32 Fri Jul 24 18:15:21 1998  Joyce Janczyn  <janczyn@cygnus.com>
  33
  34         * op_utils.c (do_syscall): Rewrite to use common/syscall.c.
  35         (syscall_read_mem, syscall_write_mem): New functions for syscall
  36         callbacks.
  37         * mn10300_sim.h: Add prototypes for syscall_read_mem and
  38         syscall_write_mem.
  39         * mn10300.igen: Change C++ style comments to C style comments.
  40         Check for divide by zero in div and divu ops.
  41
  42 start-sanitize-am33
  43 Fri Jul 24 12:49:28 1998  Jeffrey A Law  (law@cygnus.com)
  44
  45         * am33.igen (translate_xreg): New function.  Use it as needed.
  46
  47 Thu Jul 23 10:05:28 1998  Jeffrey A Law  (law@cygnus.com)
  48
  49         * am33.igen: Add some missing instructions.
  50
  51         * am33.igen: Autoincrement loads/store fixes.
  52
  53 Tue Jul 21 09:48:14 1998  Jeffrey A Law  (law@cygnus.com)
  54
  55         * am33.igen: Add mov_lCC DSP instructions.
  56
  57         * am33.igen: Add most am33 DSP instructions.
  58
  59 end-sanitize-am33
  60 Thu Jul  9 10:06:55 1998  Jeffrey A Law  (law@cygnus.com)
  61
  62         * mn10300.igen: Fix Z bit for addc and subc instructions.
  63         Minor fixes in multiply/divide patterns.
  64
  65 start-sanitize-am33
  66         * am33.igen: Add missing mul[u] imm32,Rn.  Fix condition code
  67         handling for many instructions.  Fix sign extension for some
  68         24bit immediates.
  69
  70         * am33.igen: Fix Z bit for remaining addc/subc instructions.
  71         Do not sign extend immediate for mov imm,XRn.
  72         More random mul, mac & div fixes.
  73         Remove some unused variables.
  74         Sign extend 24bit displacement in memory addresses.
  75
  76         * am33.igen: Fix Z bit for addc Rm,Rn and subc Rm,Rn.  Various
  77         fixes to 2 register multiply, divide and mac instructions.  Set
  78         Z,N correctly for sat16.  Sign extend 24 bit immediate for add,
  79         and sub instructions.
  80
  81         * am33.igen: Add remaining non-DSP instructions.
  82 end-sanitize-am33
  83
  84 start-sanitize-am33
  85 Wed Jul  8 16:29:12 1998  Jeffrey A Law  (law@cygnus.com)
  86
  87         * am33.igen (translate_rreg): New function.  Use it as appropriate.
  88
  89         * am33.igen: More am33 instructions.  Fix "div".
  90
  91 Mon Jul  6 15:39:22 1998  Jeffrey A Law  (law@cygnus.com)
  92
  93         * mn10300.igen: Add am33 support.
  94
  95         * Makefile.in: Use multi-sim to support both a mn10300 and am33
  96         simulator.
  97
  98         * am33.igen: Add many more am33 instructions.
  99
 100 end-sanitize-am33
 101 Wed Jul  1 17:07:09 1998  Jeffrey A Law  (law@cygnus.com)
 102
 103         * mn10300_sim.h (FETCH24): Define.
 104
 105 start-sanitize-am33
 106         * mn10300_sim.h: Add defines for some registers found on the AM33.
 107         * am33.igen: New file with some am33 support.
 108 end-sanitize-am33
 109
 110 Tue Jun 30 11:23:20 1998  Jeffrey A Law  (law@cygnus.com)
 111
 112         * mn10300_sim.h: Include bfd.h
 113         (struct state): Add more room for processor specific registers.
 114 start-sanitize-am33
 115         (REG_E0): Define.
 116 end-sanitize-am33
 117
 118 start-sanitize-am30
 119 Thu Jun 25 10:12:03 1998  Joyce Janczyn  <janczyn@cygnus.com>
 120
 121         * dv-mn103tim.c: Include sim-assert.h
 122         * dv-mn103ser.c (do_polling_event): Check for incoming data on
 123         serial line and schedule next polling event.
 124         (read_status_reg): schedule events to check for incoming data on
 125         serial line and issue interrupt if necessary.
 126
 127 Fri Jun 19 16:47:27 1998  Joyce Janczyn  <janczyn@cygnus.com>
 128
 129         * interp.c (sim_open): hook up serial 1 and 2 ports properly (typo).
 130
 131 Fri Jun 19 11:59:26 1998  Joyce Janczyn  <janczyn@cygnus.com>
 132
 133         * interp.c (board): Rename am32 to stdeval1 as this is the name
 134         consistently used to refer to the mn1030002 board.
 135
 136 Thu June 18 14:37:14 1998  Joyce Janczyn  <janczyn@cygnus.com>
 137         * interp.c (sim_open): Fix typo in address of EXTMD register
 138         (0x34000280, not 0x3400280).
 139
 140 end-sanitize-am30
 141 Wed Jun 17 18:00:18 1998  Jeffrey A Law  (law@cygnus.com)
 142
 143         * simops.c (syscall): Handle change in opcode # for syscall.
 144         * mn10300.igen (syscall): Likewise.
 145
 146 start-sanitize-am30
 147 Tue June 16 09:36:21 1998  Joyce Janczyn  <janczyn@cygnus.com>
 148         * dv-mn103int.c (mn103int_finish): Regular interrupts (not NMI or
 149         reset) are not enabled on reset.
 150
 151 Sun June 14 17:04:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 152         * dv-mn103iop.c (write_*_reg): Check for attempt to write r/o
 153         register bits.
 154         * dv-mn103ser.c: Fill in methods for reading and writing to serial
 155         device registers.
 156         * interp.c (sim_open): Make the serial device a polling device.
 157
 158 Fri June 12 16:24:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 159         * dv-mn103iop.c: New file for handling am32 io ports.
 160         * configure.in: Add mn103iop to hw_device list.
 161         * configure: Re-generate.
 162         * interp.c (sim_open): Create io port device.
 163
 164 Wed June 10 14:34:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 165         * dv-mn103int.c (external_group): Use enumerated types to access
 166         correct group addresses.
 167         * dv-mn103tim.c (do_counter_event): Underflow of cascaded timer
 168         triggers an interrupt on the higher-numbered timer's port.
 169
 170 end-sanitize-am30
 171 Mon June 8 13:30:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 172         * interp.c: (mn10300_option_handler): New function parses arguments
 173         using sim-options.
 174 start-sanitize-am30
 175         * (board): Add --board option for specifying am32.
 176         * (sim_open): Create new timer and serial devices and control
 177         configuration of other am32 devices via board option.
 178         * dv-mn103tim.c, dv-mn103ser.c: New files for timers and serial devices.
 179         * dv-mn103cpu.c: Fix typos in opening comments.
 180         * dv-mn103int.c: Adjust interrupt controller settings for am32 instead of am30.
 181         * configure.in: Add mn103tim and mn103ser to hw_device list.
 182         * configure: Re-generate.
 183 end-sanitize-am30
 184
 185 start-sanitize-am30
 186 Mon May 25 20:50:35 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 187
 188         * dv-mn103int.c, dv-mn103cpu.c: Rename *_callback to *_method.
 189
 190         * dv-mn103cpu.c, dv-mn103int.c: Include hw-main.h and
 191         sim-main.h. Declare a struct hw_descriptor instead of struct
 192         hw_device_descriptor.
 193
 194 Mon May 25 17:33:33 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 195
 196         * dv-mn103cpu.c (struct mn103cpu): Change type of pending_handler
 197         to struct hw_event.
 198
 199 Fri May 22 12:17:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 200
 201         * configure.in (SIM_AC_OPTION_HARDWARE): Add argument "yes".
 202
 203 Wed May  6 13:29:06 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 204
 205         * interp.c (sim_open): Create a polling PAL device.
 206
 207 end-sanitize-am30
 208 Fri May  1 16:39:15 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 209
 210         * dv-mn103int.c (mn103int_port_event):
 211         (mn103int_port_event):
 212         (mn103int_io_read_buffer):
 213         (mn103int_io_write_buffer):
 214
 215         * dv-mn103cpu.c (deliver_mn103cpu_interrupt): Drop CPU/CIA args.
 216         (mn103cpu_port_event): Ditto.
 217         (mn103cpu_io_read_buffer): Ditto.
 218         (mn103cpu_io_write_buffer): Ditto.
 219
 220 Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>
 221
 222         * configure: Regenerated to track ../common/aclocal.m4 changes.
 223
 224 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
 225
 226         * configure: Regenerated to track ../common/aclocal.m4 changes.
 227         * config.in: Ditto.
 228
 229 Sun Apr 26 15:19:55 1998  Tom Tromey  <tromey@cygnus.com>
 230
 231         * acconfig.h: New file.
 232         * configure.in: Reverted change of Apr 24; use sinclude again.
 233
 234 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
 235
 236         * configure: Regenerated to track ../common/aclocal.m4 changes.
 237         * config.in: Ditto.
 238
 239 Fri Apr 24 11:19:07 1998  Tom Tromey  <tromey@cygnus.com>
 240
 241         * configure.in: Don't call sinclude.
 242
 243 Tue Apr 14 10:03:02 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 244
 245         * mn10300_sim.h: Declare all functions in op_utils.c using
 246         INLINE_SIM_MAIN.
 247         * op_utils.c: Ditto.
 248         * sim-main.c: New file.  Include op_utils.c.
 249
 250         * mn10300.igen (mov, cmp): Use new igen operators `!' and `=' to
 251         differentiate between MOV/CMP immediate/register instructions.
 252
 253         * configure.in (SIM_AC_OPTION_INLINE): Add and enable.
 254         * configure: Regenerate.
 255
 256 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 257
 258         * configure: Regenerated to track ../common/aclocal.m4 changes.
 259
 260 start-sanitize-am30
 261 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 262
 263         * interp.c (hw): Delete variable, moved to SIM_DESC.
 264         (sim_open): Delete calls to hw_tree_create, hw_tree_finish.
 265         Handled by sim-module.
 266         (sim_open): Do not anotate tree with trace properties, handled by
 267         sim-hw.c
 268         (sim_open): Call sim_hw_parse instead of hw_tree_parse.
 269
 270         * configure: Regenerated to track ../common/aclocal.m4 changes.
 271
 272 end-sanitize-am30
 273 start-sanitize-am30
 274 Thu Mar 26 20:46:18 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>
 275
 276         * dv-mn103cpu.c (deliver_mn103cpu_interrupt):  Save the entire PC
 277         on the stack when delivering interrupts (not just the lower
 278         half)...
 279         * mn10300.igen (mov (Di,Am),Dn):  Fix decode.  Registers were
 280         specified in the wrong order.
 281
 282 end-sanitize-am30
 283 start-sanitize-am30
 284 Fri Mar 27 00:56:40 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 285
 286         * dv-mn103cpu.c (deliver_mn103cpu_interrupt): Stop loss of
 287         succeeding interrupts, clear pending_handler when the handler
 288         isn't re-scheduled.
 289
 290 end-sanitize-am30
 291 Thu Mar 26 10:11:01 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>
 292
 293         * Makefile.in (tmp-igen):  Prefix all usage of move-if-change
 294         script with $(SHELL) to make NT native builds happy.
 295         * configure:  Regenerate because of change to ../common/aclocal.m4.
 296
 297 Thu Mar 26 11:22:31 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 298
 299         * configure.in: Make --enable-sim-common the default.
 300         * configure: Re-generate.
 301
 302         * sim-main.h (CIA_GET, CIA_SET): Save/restore current instruction
 303         address into Sate.regs[REG_PC] instead of common struct.
 304
 305 Wed Mar 25 17:42:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 306
 307         * mn10300.igen (cmp imm8,An): Do not sign extend imm8 value.
 308
 309 Wed Mar 25 12:08:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 310
 311         * simops.c (OP_F0FD): Initialise variable 'sp'.
 312
 313 start-sanitize-am30
 314 Thu Mar 26 00:21:32 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 315
 316         * dv-mn103int.c (decode_group): A group register every 4 bytes not
 317         8.
 318         (write_icr): Rewrite equation updating request field.
 319         (read_iagr): Fix check that interrupt is still pending.
 320
 321 end-sanitize-am30
 322 start-sanitize-am30
 323 Wed Mar 25 16:14:50 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 324
 325         * interp.c (sim_open): Tidy up device creation.
 326
 327         * dv-mn103int.c (mn103int_port_event): Drive NMI with non-zero
 328         value.
 329         (mn103int_io_read_buffer): Convert absolute address to register
 330         block offsets.
 331         (read_icr, write_icr): Convert block offset into group offset.
 332
 333 end-sanitize-am30
 334 Wed Mar 25 15:08:49 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 335
 336         * interp.c (sim_open): Create second 1mb memory region at
 337         0x40000000.
 338         (sim_open): Create a device tree.
 339         (sim-hw.h): Include.
 340 start-sanitize-am30
 341         (do_interrupt): Delete, needs to use dv-mn103cpu.c
 342
 343         * dv-mn103int.c, dv-mn103cpu.c: New files.
 344 end-sanitize-am30
 345
 346 Wed Mar 25 08:47:38 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 347
 348         * mn10300_sim.h (EXTRACT_PSW_LM, INSERT_PSW_LM, PSW_IE, PSW_LM):
 349         Define.
 350         (SP): Define.
 351
 352 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 353
 354         * configure: Regenerated to track ../common/aclocal.m4 changes.
 355
 356 Wed Mar 25 10:24:48 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 357
 358         * interp.c (sim-options.h): Include.
 359         (sim_kind, myname): Declare when not using common framework.
 360
 361         * mn10300_sim.h (do_syscall, generic*): Provide prototypes for
 362         functions found in op_utils.c
 363
 364         * mn10300.igen (add): Discard unused variables.
 365
 366         * configure, config.in: Re-generate with autoconf 2.12.1.
 367
 368 Tue Mar 24 15:27:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 369
 370         Add support for --enable-sim-common option.
 371         * Makefile.in (WITHOUT_COMMON_OBJS): Files included if
 372         ! --enable-sim-common
 373         (WITH_COMMON_OBJS): Files included if --enable-sim-common.
 374         (MN10300_OBJS,MN10300_INTERP_DEP): New variables.
 375         (SIM_OBJS): Rewrite.
 376         ({WITHOUT,WITH}_COMMON_RUN_OBJS,SIM_RUN_OBJS): New variables.
 377         (SIM_EXTRA_CFLAGS): New variable.
 378         (clean-extra): Clean up igen files.
 379         (../igen/igen,clean-igen,tmp-igen): New rules.
 380         * configure.in: Add support for common framework via
 381         --enable-sim-common.
 382         * configure: Regenerate.
 383         * interp.c: #include sim-main if WITH_COMMON, not mn10300_sim.h.
 384         (hash,dispatch,sim_size): Don't compile if ! WITH_COMMON.
 385         (init_system,sim_write,compare_simops): Likewise.
 386         (sim_set_profile,sim_set_profile_size): Likewise.
 387         (sim_stop,sim_resume,sim_trace,sim_info): Likewise.
 388         (sim_set_callbacks,sim_stop_reason,sim_read,sim_load): Likewise.
 389         (enum interrupt_type): New enum.
 390         (interrupt_names): New global.
 391         (do_interrupt): New function.
 392         (sim_open): Define differently if WITH_COMMON.
 393         (sim_close,sim_create_inferior,sim_do_command): Likewise.
 394         * mn10300_sim.h ({load,store}_{byte,half,word}): Define versions
 395         for WITH_COMMON.
 396         * mn10300.igen: New file.
 397         * mn10300.dc: New file.
 398         * op_utils.c: New file.
 399         * sim-main.h: New file.
 400
 401 Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 402
 403         * configure: Regenerated to track ../common/aclocal.m4 changes.
 404
 405 Fri Feb 27 18:36:04 1998  Jeffrey A Law  (law@cygnus.com)
 406
 407         * simops.c (inc): Fix typo.
 408
 409 Wed Feb 25 01:59:29 1998  Jeffrey A Law  (law@cygnus.com)
 410
 411         * simops.c (signed multiply instructions): Cast input operands to
 412         signed32 before casting them to signed64 so that the sign bit
 413         is propagated properly.
 414
 415 Mon Feb 23 20:23:19 1998  Mark Alexander  <marka@cygnus.com>
 416
 417         * Makefile.in: Last change was bad.  Define NL_TARGET
 418         so that targ-vals.h will be used instead of syscall.h.
 419         * simops.c: Use targ-vals.h instead of syscall.h.
 420         (OP_F020): Disable unsupported system calls.
 421
 422 Mon Feb 23 09:44:38 1998  Mark Alexander  <marka@cygnus.com>
 423
 424         * Makefile.in: Get header files from libgloss/mn10300/sys.
 425
 426 Sun Feb 22 16:02:24 1998  Jeffrey A Law  (law@cygnus.com)
 427
 428         * simops.c: Include sim-types.h.
 429
 430 Wed Feb 18 13:07:08 1998  Jeffrey A Law  (law@cygnus.com)
 431
 432         * simops.c (multiply instructions): Cast input operands to a
 433         signed64/unsigned64 type as appropriate.
 434
 435 Tue Feb 17 12:47:16 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 436
 437         * interp.c (sim_store_register, sim_fetch_register): Pass in
 438         length parameter.  Return -1.
 439
 440 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 441
 442         * configure: Regenerated to track ../common/aclocal.m4 changes.
 443
 444 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 445
 446         * configure: Regenerated to track ../common/aclocal.m4 changes.
 447
 448 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 449
 450         * configure: Regenerated to track ../common/aclocal.m4 changes.
 451
 452 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 453
 454         * configure: Regenerated to track ../common/aclocal.m4 changes.
 455         * config.in: Ditto.
 456
 457 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 458
 459         * configure: Regenerated to track ../common/aclocal.m4 changes.
 460
 461 Tue Nov 11 10:38:52 1997  Jeffrey A Law  (law@cygnus.com)
 462
 463         * simops.c (call:16 call:32): Stack adjustment is determined solely
 464         by the imm8 field.
 465
 466 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 467
 468         * interp.c (sim_load): Pass lma_p and sim_write args to
 469         sim_load_file.
 470
 471 Tue Oct 21 10:12:03 1997  Jeffrey A Law  (law@cygnus.com)
 472
 473         * simops.c: Correctly handle register restores for "ret" and "retf"
 474         instructions.
 475
 476 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 477
 478         * configure: Regenerated to track ../common/aclocal.m4 changes.
 479
 480 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 481
 482         * configure: Regenerated to track ../common/aclocal.m4 changes.
 483
 484 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 485
 486         * configure: Regenerated to track ../common/aclocal.m4 changes.
 487
 488 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 489
 490         * configure: Regenerated to track ../common/aclocal.m4 changes.
 491
 492 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 493
 494         * configure: Regenerated to track ../common/aclocal.m4 changes.
 495
 496 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 497
 498         * configure: Regenerated to track ../common/aclocal.m4 changes.
 499
 500 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 501
 502         * configure: Regenerated to track ../common/aclocal.m4 changes.
 503
 504 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 505
 506         * configure: Regenerated to track ../common/aclocal.m4 changes.
 507         * config.in: Ditto.
 508
 509 Tue Aug 26 10:41:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 510
 511         * interp.c (sim_kill): Delete.
 512         (sim_create_inferior): Add ABFD argument.
 513         (sim_load): Move setting of PC from here.
 514         (sim_create_inferior): To here.
 515
 516 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 517
 518         * configure: Regenerated to track ../common/aclocal.m4 changes.
 519         * config.in: Ditto.
 520
 521 Mon Aug 25 16:14:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 522
 523         * interp.c (sim_open): Add ABFD argument.
 524
 525 Tue Jun 24 13:46:20 1997  Jeffrey A Law  (law@cygnus.com)
 526
 527         * interp.c (sim_resume): Clear State.exited.
 528         (sim_stop_reason): If State.exited is nonzero, then indicate that
 529         the simulator exited instead of stopped.
 530         * mn10300_sim.h (struct _state): Add exited field.
 531         * simops.c (syscall): Set State.exited for SYS_exit.
 532
 533 Wed Jun 11 22:07:56 1997  Jeffrey A Law  (law@cygnus.com)
 534
 535         * simops.c: Fix thinko in last change.
 536
 537 Tue Jun 10 12:31:32 1997  Jeffrey A Law  (law@cygnus.com)
 538
 539         * simops.c: "call" stores the callee saved registers into the
 540         stack!  Update the stack pointer properly when done with
 541         register saves.
 542
 543         * simops.c: Fix return address computation for "call" instructions.
 544
 545 Thu May 22 01:43:11 1997  Jeffrey A Law  (law@cygnus.com)
 546
 547         * interp.c (sim_open): Fix typo.
 548
 549 Wed May 21 23:27:58 1997  Jeffrey A Law  (law@cygnus.com)
 550
 551         * interp.c (sim_resume): Add missing case in big switch
 552         statement (for extb instruction).
 553
 554 Tue May 20 17:51:30 1997  Jeffrey A Law  (law@cygnus.com)
 555
 556         * interp.c: Replace all references to load_mem and store_mem
 557         with references to load_byte, load_half, load_3_byte, load_word
 558         and store_byte, store_half, store_3_byte, store_word.
 559         (INLINE): Delete definition.
 560         (load_mem_big): Likewise.
 561         (max_mem): Make it global.
 562         (dispatch): Make this function inline.
 563         (load_mem, store_mem): Delete functions.
 564         * mn10300_sim.h (INLINE): Define.
 565         (RLW): Delete unused definition.
 566         (load_mem, store_mem): Delete declarations.
 567         (load_mem_big): New definition.
 568         (load_byte, load_half, load_3_byte, load_word): New functions.
 569         (store_byte, store_half, store_3_byte, store_word): New functions.
 570         * simops.c:  Replace all references to load_mem and store_mem
 571         with references to load_byte, load_half, load_3_byte, load_word
 572         and store_byte, store_half, store_3_byte, store_word.
 573
 574 Tue May 20 10:21:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 575
 576         * interp.c (sim_open): Add callback to arguments.
 577         (sim_set_callbacks): Delete SIM_DESC argument.
 578
 579 Mon May 19 13:54:22 1997  Jeffrey A Law  (law@cygnus.com)
 580
 581         * interp.c (dispatch): Make this an inline function.
 582
 583         * simops.c (syscall): Use callback->write regardless of
 584         what file descriptor we're writing too.
 585
 586 Sun May 18 16:46:31 1997  Jeffrey A Law  (law@cygnus.com)
 587
 588         * interp.c (load_mem_big): Remove function.  It's now a macro
 589         defined elsewhere.
 590         (compare_simops): New function.
 591         (sim_open): Sort the Simops table before inserting entries
 592         into the hash table.
 593         * mn10300_sim.h: Remove unused #defines.
 594         (load_mem_big): Define.
 595
 596 Fri May 16 16:36:17 1997  Jeffrey A Law  (law@cygnus.com)
 597
 598         * interp.c (load_mem): If we get a load from an out of range
 599         address, abort.
 600         (store_mem): Likewise for stores.
 601         (max_mem): New variable.
 602
 603 Tue May  6 13:24:36 1997  Jeffrey A Law  (law@cygnus.com)
 604
 605         * mn10300_sim.h: Fix ordering of bits in the PSW.
 606
 607         * interp.c: Improve hashing routine to avoid long list
 608         traversals for common instructions.  Add HASH_STAT support.
 609         Rewrite opcode dispatch code using a big switch instead of
 610         cascaded if/else statements.  Avoid useless calls to load_mem.
 611
 612 Mon May  5 18:07:48 1997  Jeffrey A Law  (law@cygnus.com)
 613
 614         * mn10300_sim.h (struct _state): Add space for mdrq register.
 615         (REG_MDRQ): Define.
 616         * simops.c: Don't abort for trap.  Add support for the extended
 617         instructions, "getx", "putx", "mulq", "mulqu", "sat16", "sat24",
 618         and "bsch".
 619
 620 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 621
 622         * configure: Regenerated to track ../common/aclocal.m4 changes.
 623
 624 Fri Apr 18 14:04:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 625
 626         * interp.c (sim_stop): Add stub function.
 627
 628 Thu Apr 17 03:26:59 1997  Doug Evans  <dje@canuck.cygnus.com>
 629
 630         * Makefile.in (SIM_OBJS): Add sim-load.o.
 631         * interp.c (sim_kind, myname): New static locals.
 632         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 633         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
 634         load file into simulator.  Set start address from bfd.
 635         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 636
 637 Wed Apr 16 19:30:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 638
 639         * simops.c (OP_F020): SYS_execv, SYS_time, SYS_times, SYS_utime
 640         only include if implemented by host.
 641         (OP_F020): Typecast arg passed to time function;
 642
 643 Mon Apr  7 23:57:49 1997  Jeffrey A Law  (law@cygnus.com)
 644
 645         * simops.c (syscall): Handle new mn10300 calling conventions.
 646
 647 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 648
 649         * configure: Regenerated to track ../common/aclocal.m4 changes.
 650         * config.in: Ditto.
 651
 652 Fri Apr  4 20:02:37 1997  Ian Lance Taylor  <ian@cygnus.com>
 653
 654         * Makefile.in: Change mn10300-opc.o to m10300-opc.o, to match
 655         corresponding change in opcodes directory.
 656
 657 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 658
 659         * interp.c (sim_open): New arg `kind'.
 660
 661         * configure: Regenerated to track ../common/aclocal.m4 changes.
 662
 663 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 664
 665         * configure: Regenerated to track ../common/aclocal.m4 changes.
 666
 667 Thu Mar 20 11:58:02 1997  Jeffrey A Law  (law@cygnus.com)
 668
 669         * simops.c: Fix register extraction for a two "movbu" variants.
 670         Somewhat simplify "sub" instructions.
 671         Correctly sign extend operands for "mul".  Put the correct
 672         half of the result in MDR for "mul" and "mulu".
 673         Implement remaining instructions.
 674         Tweak opcode for "syscall".
 675
 676 Tue Mar 18 14:21:21 1997  Jeffrey A Law  (law@cygnus.com)
 677
 678         * simops.c: Do syscall emulation in "syscall" instruction.  Add
 679         dummy "trap" instruction.
 680
 681 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 682
 683         * configure: Regenerated to track ../common/aclocal.m4 changes.
 684
 685 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 686
 687         * configure: Re-generate.
 688
 689 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 690
 691         * configure: Regenerate to track ../common/aclocal.m4 changes.
 692
 693 Thu Mar 13 12:54:45 1997  Doug Evans  <dje@canuck.cygnus.com>
 694
 695         * interp.c (sim_open): New SIM_DESC result.  Argument is now
 696         in argv form.
 697         (other sim_*): New SIM_DESC argument.
 698
 699 Wed Mar 12 15:04:00 1997  Jeffrey A Law  (law@cygnus.com)
 700
 701         * simops.c: Fix carry bit computation for "add" instructions.
 702
 703         * simops.c: Fix typos in bset insns.  Fix arguments to store_mem
 704         for bset imm8,(d8,an) and bclr imm8,(d8,an).
 705
 706 Wed Mar  5 15:00:10 1997  Jeffrey A Law  (law@cygnus.com)
 707
 708         * simops.c: Fix register references when computing Z and N bits
 709         for lsr imm8,dn.
 710
 711 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 712
 713         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 714         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 715         * configure.in: sinclude ../common/aclocal.m4.
 716         * configure: Regenerated.
 717
 718 Fri Jan 24 10:47:25 1997  Jeffrey A Law  (law@cygnus.com)
 719
 720         * interp.c (init_system): Allocate 2^19 bytes of space for the
 721         simulator.
 722
 723 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 724
 725         * configure configure.in Makefile.in:  Update to new configure
 726         scheme which is more compatible with WinGDB builds.
 727         * configure.in:  Improve comment on how to run autoconf.
 728         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 729         * Makefile.in:  Use autoconf substitution to install common
 730         makefile fragment.
 731
 732 Tue Jan 21 15:03:04 1997  Jeffrey A Law  (law@cygnus.com)
 733
 734         * simops.c: Undo last change to "rol" and "ror", original code
 735         was correct!
 736
 737 Thu Jan 16 11:28:14 1997  Jeffrey A Law  (law@cygnus.com)
 738
 739         * simops.c: Fix "rol" and "ror".
 740
 741 Wed Jan 15 06:45:58 1997  Jeffrey A Law  (law@cygnus.com)
 742
 743         * simops.c: Fix typo in last change.
 744
 745 Mon Jan 13 13:22:35 1997  Jeffrey A Law  (law@cygnus.com)
 746
 747         * simops.c: Use REG macros in few places not using them yet.
 748
 749 Mon Jan  6 16:21:19 1997  Jeffrey A Law  (law@cygnus.com)
 750
 751         * mn10300_sim.h (struct _state): Fix number of registers!
 752
 753 Tue Dec 31 16:20:41 1996  Jeffrey A Law  (law@cygnus.com)
 754
 755         * mn10300_sim.h (struct _state): Put all registers into a single
 756         array to make gdb implementation easier.
 757         (REG_*): Add definitions for all registers in the state array.
 758         (SEXT32, SEXT40, SEXT44, SEXT60): Remove unused macros.
 759         * simops.c: Related changes.
 760
 761 Wed Dec 18 10:10:45 1996  Jeffrey A Law  (law@cygnus.com)
 762
 763         * interp.c (sim_resume): Handle 0xff as a single byte insn.
 764
 765         * simops.c: Fix overflow computation for "add" and "inc"
 766         instructions.
 767
 768 Mon Dec 16 10:03:52 1996  Jeffrey A Law  (law@cygnus.com)
 769
 770         * simops.c: Handle "break" instruction.
 771
 772         * simops.c: Fix restoring the PC for "ret" and "retf" instructions.
 773
 774 Wed Dec 11 09:53:10 1996  Jeffrey A Law  (law@cygnus.com)
 775
 776         * gencode.c (write_opcodes): Also write out the format of the
 777         opcode.
 778         * mn10300_sim.h (simops): Add "format" field.
 779         * interp.c (sim_resume): Deal with endianness issues here.
 780
 781 Tue Dec 10 15:05:37 1996  Jeffrey A Law  (law@cygnus.com)
 782
 783         * simops.c (REG0_4): Define.
 784         Use REG0_4 for indexed loads/stores.
 785
 786 Sat Dec  7 09:50:28 1996  Jeffrey A Law  (law@cygnus.com)
 787
 788         * simops.c (REG0_16): Fix typo.
 789
 790 Fri Dec  6 14:13:34 1996  Jeffrey A Law  (law@cygnus.com)
 791
 792         * simops.c: Call abort for any instruction that's not currently
 793         simulated.
 794
 795         * simops.c: Define accessor macros to extract register
 796         values from instructions.  Use them consistently.
 797
 798         * interp.c: Delete unused global variable "OP".
 799         (sim_resume): Remove unused variable "opcode".
 800         * simops.c: Fix some uninitialized variable problems, add
 801         parens to fix various -Wall warnings.
 802
 803         * gencode.c (write_header): Add "insn" and "extension" arguments
 804         to the OP_* declarations.
 805         (write_template): Similarly for function templates.
 806         * interp.c (insn, extension): Remove global variables.  Instead
 807         pass them as arguments to the OP_* functions.
 808         * mn10300_sim.h: Remove decls for "insn" and "extension".
 809         * simops.c (OP_*): Accept "insn" and "extension" as arguments
 810         instead of using globals.
 811
 812 Thu Dec  5 22:26:31 1996  Jeffrey A Law  (law@cygnus.com)
 813
 814         * simops.c: Fix typos in "mov am,(d16,an)" and "mov am,(d32,an)"
 815
 816         * simops.c: Fix thinkos in last change to "inc dn".
 817
 818 Wed Dec  4 10:57:53 1996  Jeffrey A Law  (law@cygnus.com)
 819
 820         * simops.c: "add imm,sp" does not effect the condition codes.
 821         "inc dn" does effect the condition codes.
 822
 823 Tue Dec  3 17:37:45 1996  Jeffrey A Law  (law@cygnus.com)
 824
 825         * simops.c: Treat both operands as signed values for
 826         "div" instruction.
 827
 828         * simops.c: Fix simulation of division instructions.
 829         Fix typos/thinkos in several "cmp" and "sub" instructions.
 830
 831 Mon Dec  2 12:31:40 1996  Jeffrey A Law  (law@cygnus.com)
 832
 833         * simops.c: Fix carry bit handling in "sub" and "cmp"
 834         instructions.
 835
 836         * simops.c: Fix "mov imm8,an" and "mov imm16,dn".
 837
 838 Sun Dec  1 16:05:42 1996  Jeffrey A Law  (law@cygnus.com)
 839
 840         * simops.c: Fix overflow computation for many instructions.
 841
 842         * simops.c: Fix "mov dm, an", "movbu dm, (an)", and "movhu dm, (an)".
 843
 844         * simops.c: Fix "mov am, dn".
 845
 846         * simops.c: Fix more bugs in "add imm,an" and
 847         "add imm,dn".
 848
 849 Wed Nov 27 09:20:42 1996  Jeffrey A Law  (law@cygnus.com)
 850
 851         * simops.c: Fix bugs in "movm" and "add imm,an".
 852
 853         * simops.c: Don't lose the upper 24 bits of the return
 854         pointer in "call" and "calls" instructions.  Rough cut
 855         at emulated system calls.
 856
 857         * simops.c: Implement the remaining 5, 6 and 7 byte instructions.
 858
 859         * simops.c: Implement remaining 4 byte instructions.
 860
 861         * simops.c: Implement remaining 3 byte instructions.
 862
 863         * simops.c: Implement remaining 2 byte instructions.  Call
 864         abort for instructions we're not implementing now.
 865
 866 Tue Nov 26 15:43:41 1996  Jeffrey A Law  (law@cygnus.com)
 867
 868         * simops.c: Implement lots of random instructions.
 869
 870         * simops.c: Implement "movm" and "bCC" insns.
 871
 872         * mn10300_sim.h (_state): Add another register (MDR).
 873         (REG_MDR): Define.
 874         * simops.c: Implement "cmp", "calls", "rets", "jmp" and
 875         a few additional random insns.
 876
 877         * mn10300_sim.h (PSW_*): Define for CC status tracking.
 878         (REG_D0, REG_A0, REG_SP): Define.
 879         * simops.c: Implement "add", "addc" and a few other random
 880         instructions.
 881
 882         * gencode.c, interp.c: Snapshot current simulator code.
 883
 884 Mon Nov 25 12:46:38 1996  Jeffrey A Law  (law@cygnus.com)
 885
 886         * Makefile.in, config.in, configure, configure.in: New files.
 887         * gencode.c, interp.c, mn10300_sim.h, simops.c: New files.
 888