sim/mn10300/ChangeLog

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