sim/mn10300/ChangeLog

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