sim/mn10300/ChangeLog

   1 Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * configure: Regenerated to track ../common/aclocal.m4 changes.
   4
   5 Tue Jul 13 13:26:20 1999  Andrew Cagney  <cagney@b1.cygnus.com>
   6
   7         * interp.c: Clarify error message reporting an unknown board.
   8
   9 1999-05-08  Felix Lee  <flee@cygnus.com>
  10
  11         * configure: Regenerated to track ../common/aclocal.m4 changes.
  12
  13 1999-04-16  Frank Ch. Eigler  <fche@cygnus.com>
  14
  15         * interp.c (program_interrupt): Detect undesired recursion using
  16         static flag.  Set NMIRC register's SYSEF flag during
  17         --board=stdeval1 mode.
  18         * dv-mn103-int.c (write_icr): Add backdoor address to allow CPU to
  19         set SYSEF flag.
  20
  21 1999-04-02  Keith Seitz  <keiths@cygnus.com>
  22
  23         * Makefile.in (SIM_EXTRA_CFLAGS): Define a POLL_QUIT_INTERVAL
  24         for use in the simulator so that the poll_quit callback is
  25         not called too often.
  26
  27 Tue Mar  9 21:26:41 1999  Andrew Cagney  <cagney@b1.cygnus.com>
  28
  29         * dv-mn103int.c (mn103int_ioctl): Return something.
  30         * dv-mn103tim.c (write_tm6md): GCC suggested parentheses around &&
  31         within ||.
  32
  33 Tue Feb 16 23:57:17 1999  Jeffrey A Law  (law@cygnus.com)
  34
  35         * mn10300.igen (retf): Fix return address computation and store
  36         the new pc value into nia.
  37
  38 1998-12-29  Frank Ch. Eigler  <fche@cygnus.com>
  39
  40         * Makefile.in (WITH_COMMON_OBJS): Build also dv-sockser.o.
  41         * interp.c (sim_open): Add stub mn103002 cache control memory regions.
  42         Set OPERATING_ENVIRONMENT on "stdeval1" board.
  43         (mn10300_core_signal): New function to intercept memory errors.
  44         (program_interrupt): New function to dispatch to exception vector
  45         (mn10300_exception_*): New functions to snapshot pre/post exception
  46         state.
  47         * sim-main.h (SIM_CORE_SIGNAL): Define hook - call mn10300_core_signal.
  48         (SIM_ENGINE_HALT_HOOK): Do nothing.
  49         (SIM_CPU_EXCEPTION*): Define hooks to call mn10300_cpu_exception*().
  50         (_sim_cpu): Add exc_* fields to store register value snapshots.
  51         * dv-mn103ser.c (*): Support dv-sockser backend for UART I/O.
  52         Various endianness and warning fixes.
  53         * mn10300.igen (illegal): Call program_interrupt on error.
  54         (break): Call program_interrupt on breakpoint
  55
  56         Several changes from <janczyn@cygnus.com> and <cagney@cygnus.com>
  57         merged in:
  58         * dv-mn103int.c (mn103int_ioctl): New function for NMI
  59         generation. (mn103int_finish): Install it as ioctl handler.
  60         * dv-mn103tim.c: Support timer 6 specially.  Endianness fixes.
  61
  62 Fri Aug 28 14:40:49 1998  Joyce Janczyn  <janczyn@cygnus.com>
  63
  64         * interp.c (sim_open): Check for invalid --board option, fix
  65         indentation, allocate memory for mem control and DMA regs.
  66
  67 Wed Aug 26 09:29:38 1998  Joyce Janczyn  <janczyn@cygnus.com>
  68
  69         * mn10300.igen (div,divu): Fix divide instructions so divide by 0
  70         behaves like the hardware.
  71
  72 Mon Aug 24 11:50:09 1998  Joyce Janczyn  <janczyn@cygnus.com>
  73
  74         * sim-main.h (SIM_HANDLES_LMA): Define SIM_HANDLES_LMA.
  75
  76 Fri Jul 24 18:15:21 1998  Joyce Janczyn  <janczyn@cygnus.com>
  77
  78         * op_utils.c (do_syscall): Rewrite to use common/syscall.c.
  79         (syscall_read_mem, syscall_write_mem): New functions for syscall
  80         callbacks.
  81         * mn10300_sim.h: Add prototypes for syscall_read_mem and
  82         syscall_write_mem.
  83         * mn10300.igen: Change C++ style comments to C style comments.
  84         Check for divide by zero in div and divu ops.
  85
  86 Thu Jul  9 10:06:55 1998  Jeffrey A Law  (law@cygnus.com)
  87
  88         * mn10300.igen: Fix Z bit for addc and subc instructions.
  89         Minor fixes in multiply/divide patterns.
  90
  91
  92 Wed Jul  1 17:07:09 1998  Jeffrey A Law  (law@cygnus.com)
  93
  94         * mn10300_sim.h (FETCH24): Define.
  95
  96
  97 Tue Jun 30 11:23:20 1998  Jeffrey A Law  (law@cygnus.com)
  98
  99         * mn10300_sim.h: Include bfd.h
 100         (struct state): Add more room for processor specific registers.
 101
 102 Thu Jun 25 10:12:03 1998  Joyce Janczyn  <janczyn@cygnus.com>
 103
 104         * dv-mn103tim.c: Include sim-assert.h
 105         * dv-mn103ser.c (do_polling_event): Check for incoming data on
 106         serial line and schedule next polling event.
 107         (read_status_reg): schedule events to check for incoming data on
 108         serial line and issue interrupt if necessary.
 109
 110 Fri Jun 19 16:47:27 1998  Joyce Janczyn  <janczyn@cygnus.com>
 111
 112         * interp.c (sim_open): hook up serial 1 and 2 ports properly (typo).
 113
 114 Fri Jun 19 11:59:26 1998  Joyce Janczyn  <janczyn@cygnus.com>
 115
 116         * interp.c (board): Rename am32 to stdeval1 as this is the name
 117         consistently used to refer to the mn1030002 board.
 118
 119 Thu June 18 14:37:14 1998  Joyce Janczyn  <janczyn@cygnus.com>
 120         * interp.c (sim_open): Fix typo in address of EXTMD register
 121         (0x34000280, not 0x3400280).
 122
 123 Wed Jun 17 18:00:18 1998  Jeffrey A Law  (law@cygnus.com)
 124
 125         * simops.c (syscall): Handle change in opcode # for syscall.
 126         * mn10300.igen (syscall): Likewise.
 127
 128 Tue June 16 09:36:21 1998  Joyce Janczyn  <janczyn@cygnus.com>
 129         * dv-mn103int.c (mn103int_finish): Regular interrupts (not NMI or
 130         reset) are not enabled on reset.
 131
 132 Sun June 14 17:04:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 133         * dv-mn103iop.c (write_*_reg): Check for attempt to write r/o
 134         register bits.
 135         * dv-mn103ser.c: Fill in methods for reading and writing to serial
 136         device registers.
 137         * interp.c (sim_open): Make the serial device a polling device.
 138
 139 Fri June 12 16:24:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 140         * dv-mn103iop.c: New file for handling am32 io ports.
 141         * configure.in: Add mn103iop to hw_device list.
 142         * configure: Re-generate.
 143         * interp.c (sim_open): Create io port device.
 144
 145 Wed June 10 14:34:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 146         * dv-mn103int.c (external_group): Use enumerated types to access
 147         correct group addresses.
 148         * dv-mn103tim.c (do_counter_event): Underflow of cascaded timer
 149         triggers an interrupt on the higher-numbered timer's port.
 150
 151 Mon June 8 13:30:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 152         * interp.c: (mn10300_option_handler): New function parses arguments
 153         using sim-options.
 154         * (board): Add --board option for specifying am32.
 155         * (sim_open): Create new timer and serial devices and control
 156         configuration of other am32 devices via board option.
 157         * dv-mn103tim.c, dv-mn103ser.c: New files for timers and serial devices.
 158         * dv-mn103cpu.c: Fix typos in opening comments.
 159         * dv-mn103int.c: Adjust interrupt controller settings for am32 instead of am30.
 160         * configure.in: Add mn103tim and mn103ser to hw_device list.
 161         * configure: Re-generate.
 162
 163 Mon May 25 20:50:35 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 164
 165         * dv-mn103int.c, dv-mn103cpu.c: Rename *_callback to *_method.
 166
 167         * dv-mn103cpu.c, dv-mn103int.c: Include hw-main.h and
 168         sim-main.h. Declare a struct hw_descriptor instead of struct
 169         hw_device_descriptor.
 170
 171 Mon May 25 17:33:33 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 172
 173         * dv-mn103cpu.c (struct mn103cpu): Change type of pending_handler
 174         to struct hw_event.
 175
 176 Fri May 22 12:17:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 177
 178         * configure.in (SIM_AC_OPTION_HARDWARE): Add argument "yes".
 179
 180 Wed May  6 13:29:06 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 181
 182         * interp.c (sim_open): Create a polling PAL device.
 183
 184 Fri May  1 16:39:15 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 185
 186         * dv-mn103int.c (mn103int_port_event):
 187         (mn103int_port_event):
 188         (mn103int_io_read_buffer):
 189         (mn103int_io_write_buffer):
 190
 191         * dv-mn103cpu.c (deliver_mn103cpu_interrupt): Drop CPU/CIA args.
 192         (mn103cpu_port_event): Ditto.
 193         (mn103cpu_io_read_buffer): Ditto.
 194         (mn103cpu_io_write_buffer): Ditto.
 195
 196 Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>
 197
 198         * configure: Regenerated to track ../common/aclocal.m4 changes.
 199
 200 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
 201
 202         * configure: Regenerated to track ../common/aclocal.m4 changes.
 203         * config.in: Ditto.
 204
 205 Sun Apr 26 15:19:55 1998  Tom Tromey  <tromey@cygnus.com>
 206
 207         * acconfig.h: New file.
 208         * configure.in: Reverted change of Apr 24; use sinclude again.
 209
 210 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
 211
 212         * configure: Regenerated to track ../common/aclocal.m4 changes.
 213         * config.in: Ditto.
 214
 215 Fri Apr 24 11:19:07 1998  Tom Tromey  <tromey@cygnus.com>
 216
 217         * configure.in: Don't call sinclude.
 218
 219 Tue Apr 14 10:03:02 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 220
 221         * mn10300_sim.h: Declare all functions in op_utils.c using
 222         INLINE_SIM_MAIN.
 223         * op_utils.c: Ditto.
 224         * sim-main.c: New file.  Include op_utils.c.
 225
 226         * mn10300.igen (mov, cmp): Use new igen operators `!' and `=' to
 227         differentiate between MOV/CMP immediate/register instructions.
 228
 229         * configure.in (SIM_AC_OPTION_INLINE): Add and enable.
 230         * configure: Regenerate.
 231
 232 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 233
 234         * configure: Regenerated to track ../common/aclocal.m4 changes.
 235
 236 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 237
 238         * interp.c (hw): Delete variable, moved to SIM_DESC.
 239         (sim_open): Delete calls to hw_tree_create, hw_tree_finish.
 240         Handled by sim-module.
 241         (sim_open): Do not anotate tree with trace properties, handled by
 242         sim-hw.c
 243         (sim_open): Call sim_hw_parse instead of hw_tree_parse.
 244
 245         * configure: Regenerated to track ../common/aclocal.m4 changes.
 246
 247 Thu Mar 26 20:46:18 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>
 248
 249         * dv-mn103cpu.c (deliver_mn103cpu_interrupt):  Save the entire PC
 250         on the stack when delivering interrupts (not just the lower
 251         half)...
 252         * mn10300.igen (mov (Di,Am),Dn):  Fix decode.  Registers were
 253         specified in the wrong order.
 254
 255 Fri Mar 27 00:56:40 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 256
 257         * dv-mn103cpu.c (deliver_mn103cpu_interrupt): Stop loss of
 258         succeeding interrupts, clear pending_handler when the handler
 259         isn't re-scheduled.
 260
 261 Thu Mar 26 10:11:01 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>
 262
 263         * Makefile.in (tmp-igen):  Prefix all usage of move-if-change
 264         script with $(SHELL) to make NT native builds happy.
 265         * configure:  Regenerate because of change to ../common/aclocal.m4.
 266
 267 Thu Mar 26 11:22:31 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 268
 269         * configure.in: Make --enable-sim-common the default.
 270         * configure: Re-generate.
 271
 272         * sim-main.h (CIA_GET, CIA_SET): Save/restore current instruction
 273         address into Sate.regs[REG_PC] instead of common struct.
 274
 275 Wed Mar 25 17:42:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 276
 277         * mn10300.igen (cmp imm8,An): Do not sign extend imm8 value.
 278
 279 Wed Mar 25 12:08:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 280
 281         * simops.c (OP_F0FD): Initialise variable 'sp'.
 282
 283 Thu Mar 26 00:21:32 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 284
 285         * dv-mn103int.c (decode_group): A group register every 4 bytes not
 286         8.
 287         (write_icr): Rewrite equation updating request field.
 288         (read_iagr): Fix check that interrupt is still pending.
 289
 290 Wed Mar 25 16:14:50 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 291
 292         * interp.c (sim_open): Tidy up device creation.
 293
 294         * dv-mn103int.c (mn103int_port_event): Drive NMI with non-zero
 295         value.
 296         (mn103int_io_read_buffer): Convert absolute address to register
 297         block offsets.
 298         (read_icr, write_icr): Convert block offset into group offset.
 299
 300 Wed Mar 25 15:08:49 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 301
 302         * interp.c (sim_open): Create second 1mb memory region at
 303         0x40000000.
 304         (sim_open): Create a device tree.
 305         (sim-hw.h): Include.
 306         (do_interrupt): Delete, needs to use dv-mn103cpu.c
 307
 308         * dv-mn103int.c, dv-mn103cpu.c: New files.
 309
 310 Wed Mar 25 08:47:38 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 311
 312         * mn10300_sim.h (EXTRACT_PSW_LM, INSERT_PSW_LM, PSW_IE, PSW_LM):
 313         Define.
 314         (SP): Define.
 315
 316 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 317
 318         * configure: Regenerated to track ../common/aclocal.m4 changes.
 319
 320 Wed Mar 25 10:24:48 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 321
 322         * interp.c (sim-options.h): Include.
 323         (sim_kind, myname): Declare when not using common framework.
 324
 325         * mn10300_sim.h (do_syscall, generic*): Provide prototypes for
 326         functions found in op_utils.c
 327
 328         * mn10300.igen (add): Discard unused variables.
 329
 330         * configure, config.in: Re-generate with autoconf 2.12.1.
 331
 332 Tue Mar 24 15:27:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 333
 334         Add support for --enable-sim-common option.
 335         * Makefile.in (WITHOUT_COMMON_OBJS): Files included if
 336         ! --enable-sim-common
 337         (WITH_COMMON_OBJS): Files included if --enable-sim-common.
 338         (MN10300_OBJS,MN10300_INTERP_DEP): New variables.
 339         (SIM_OBJS): Rewrite.
 340         ({WITHOUT,WITH}_COMMON_RUN_OBJS,SIM_RUN_OBJS): New variables.
 341         (SIM_EXTRA_CFLAGS): New variable.
 342         (clean-extra): Clean up igen files.
 343         (../igen/igen,clean-igen,tmp-igen): New rules.
 344         * configure.in: Add support for common framework via
 345         --enable-sim-common.
 346         * configure: Regenerate.
 347         * interp.c: #include sim-main if WITH_COMMON, not mn10300_sim.h.
 348         (hash,dispatch,sim_size): Don't compile if ! WITH_COMMON.
 349         (init_system,sim_write,compare_simops): Likewise.
 350         (sim_set_profile,sim_set_profile_size): Likewise.
 351         (sim_stop,sim_resume,sim_trace,sim_info): Likewise.
 352         (sim_set_callbacks,sim_stop_reason,sim_read,sim_load): Likewise.
 353         (enum interrupt_type): New enum.
 354         (interrupt_names): New global.
 355         (do_interrupt): New function.
 356         (sim_open): Define differently if WITH_COMMON.
 357         (sim_close,sim_create_inferior,sim_do_command): Likewise.
 358         * mn10300_sim.h ({load,store}_{byte,half,word}): Define versions
 359         for WITH_COMMON.
 360         * mn10300.igen: New file.
 361         * mn10300.dc: New file.
 362         * op_utils.c: New file.
 363         * sim-main.h: New file.
 364
 365 Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 366
 367         * configure: Regenerated to track ../common/aclocal.m4 changes.
 368
 369 Fri Feb 27 18:36:04 1998  Jeffrey A Law  (law@cygnus.com)
 370
 371         * simops.c (inc): Fix typo.
 372
 373 Wed Feb 25 01:59:29 1998  Jeffrey A Law  (law@cygnus.com)
 374
 375         * simops.c (signed multiply instructions): Cast input operands to
 376         signed32 before casting them to signed64 so that the sign bit
 377         is propagated properly.
 378
 379 Mon Feb 23 20:23:19 1998  Mark Alexander  <marka@cygnus.com>
 380
 381         * Makefile.in: Last change was bad.  Define NL_TARGET
 382         so that targ-vals.h will be used instead of syscall.h.
 383         * simops.c: Use targ-vals.h instead of syscall.h.
 384         (OP_F020): Disable unsupported system calls.
 385
 386 Mon Feb 23 09:44:38 1998  Mark Alexander  <marka@cygnus.com>
 387
 388         * Makefile.in: Get header files from libgloss/mn10300/sys.
 389
 390 Sun Feb 22 16:02:24 1998  Jeffrey A Law  (law@cygnus.com)
 391
 392         * simops.c: Include sim-types.h.
 393
 394 Wed Feb 18 13:07:08 1998  Jeffrey A Law  (law@cygnus.com)
 395
 396         * simops.c (multiply instructions): Cast input operands to a
 397         signed64/unsigned64 type as appropriate.
 398
 399 Tue Feb 17 12:47:16 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 400
 401         * interp.c (sim_store_register, sim_fetch_register): Pass in
 402         length parameter.  Return -1.
 403
 404 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 405
 406         * configure: Regenerated to track ../common/aclocal.m4 changes.
 407
 408 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 409
 410         * configure: Regenerated to track ../common/aclocal.m4 changes.
 411
 412 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 413
 414         * configure: Regenerated to track ../common/aclocal.m4 changes.
 415
 416 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 417
 418         * configure: Regenerated to track ../common/aclocal.m4 changes.
 419         * config.in: Ditto.
 420
 421 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 422
 423         * configure: Regenerated to track ../common/aclocal.m4 changes.
 424
 425 Tue Nov 11 10:38:52 1997  Jeffrey A Law  (law@cygnus.com)
 426
 427         * simops.c (call:16 call:32): Stack adjustment is determined solely
 428         by the imm8 field.
 429
 430 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 431
 432         * interp.c (sim_load): Pass lma_p and sim_write args to
 433         sim_load_file.
 434
 435 Tue Oct 21 10:12:03 1997  Jeffrey A Law  (law@cygnus.com)
 436
 437         * simops.c: Correctly handle register restores for "ret" and "retf"
 438         instructions.
 439
 440 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 441
 442         * configure: Regenerated to track ../common/aclocal.m4 changes.
 443
 444 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 445
 446         * configure: Regenerated to track ../common/aclocal.m4 changes.
 447
 448 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 449
 450         * configure: Regenerated to track ../common/aclocal.m4 changes.
 451
 452 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 453
 454         * configure: Regenerated to track ../common/aclocal.m4 changes.
 455
 456 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 457
 458         * configure: Regenerated to track ../common/aclocal.m4 changes.
 459
 460 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 461
 462         * configure: Regenerated to track ../common/aclocal.m4 changes.
 463
 464 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 465
 466         * configure: Regenerated to track ../common/aclocal.m4 changes.
 467
 468 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 469
 470         * configure: Regenerated to track ../common/aclocal.m4 changes.
 471         * config.in: Ditto.
 472
 473 Tue Aug 26 10:41:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 474
 475         * interp.c (sim_kill): Delete.
 476         (sim_create_inferior): Add ABFD argument.
 477         (sim_load): Move setting of PC from here.
 478         (sim_create_inferior): To here.
 479
 480 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 481
 482         * configure: Regenerated to track ../common/aclocal.m4 changes.
 483         * config.in: Ditto.
 484
 485 Mon Aug 25 16:14:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 486
 487         * interp.c (sim_open): Add ABFD argument.
 488
 489 Tue Jun 24 13:46:20 1997  Jeffrey A Law  (law@cygnus.com)
 490
 491         * interp.c (sim_resume): Clear State.exited.
 492         (sim_stop_reason): If State.exited is nonzero, then indicate that
 493         the simulator exited instead of stopped.
 494         * mn10300_sim.h (struct _state): Add exited field.
 495         * simops.c (syscall): Set State.exited for SYS_exit.
 496
 497 Wed Jun 11 22:07:56 1997  Jeffrey A Law  (law@cygnus.com)
 498
 499         * simops.c: Fix thinko in last change.
 500
 501 Tue Jun 10 12:31:32 1997  Jeffrey A Law  (law@cygnus.com)
 502
 503         * simops.c: "call" stores the callee saved registers into the
 504         stack!  Update the stack pointer properly when done with
 505         register saves.
 506
 507         * simops.c: Fix return address computation for "call" instructions.
 508
 509 Thu May 22 01:43:11 1997  Jeffrey A Law  (law@cygnus.com)
 510
 511         * interp.c (sim_open): Fix typo.
 512
 513 Wed May 21 23:27:58 1997  Jeffrey A Law  (law@cygnus.com)
 514
 515         * interp.c (sim_resume): Add missing case in big switch
 516         statement (for extb instruction).
 517
 518 Tue May 20 17:51:30 1997  Jeffrey A Law  (law@cygnus.com)
 519
 520         * interp.c: Replace all references to load_mem and store_mem
 521         with references to load_byte, load_half, load_3_byte, load_word
 522         and store_byte, store_half, store_3_byte, store_word.
 523         (INLINE): Delete definition.
 524         (load_mem_big): Likewise.
 525         (max_mem): Make it global.
 526         (dispatch): Make this function inline.
 527         (load_mem, store_mem): Delete functions.
 528         * mn10300_sim.h (INLINE): Define.
 529         (RLW): Delete unused definition.
 530         (load_mem, store_mem): Delete declarations.
 531         (load_mem_big): New definition.
 532         (load_byte, load_half, load_3_byte, load_word): New functions.
 533         (store_byte, store_half, store_3_byte, store_word): New functions.
 534         * simops.c:  Replace all references to load_mem and store_mem
 535         with references to load_byte, load_half, load_3_byte, load_word
 536         and store_byte, store_half, store_3_byte, store_word.
 537
 538 Tue May 20 10:21:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 539
 540         * interp.c (sim_open): Add callback to arguments.
 541         (sim_set_callbacks): Delete SIM_DESC argument.
 542
 543 Mon May 19 13:54:22 1997  Jeffrey A Law  (law@cygnus.com)
 544
 545         * interp.c (dispatch): Make this an inline function.
 546
 547         * simops.c (syscall): Use callback->write regardless of
 548         what file descriptor we're writing too.
 549
 550 Sun May 18 16:46:31 1997  Jeffrey A Law  (law@cygnus.com)
 551
 552         * interp.c (load_mem_big): Remove function.  It's now a macro
 553         defined elsewhere.
 554         (compare_simops): New function.
 555         (sim_open): Sort the Simops table before inserting entries
 556         into the hash table.
 557         * mn10300_sim.h: Remove unused #defines.
 558         (load_mem_big): Define.
 559
 560 Fri May 16 16:36:17 1997  Jeffrey A Law  (law@cygnus.com)
 561
 562         * interp.c (load_mem): If we get a load from an out of range
 563         address, abort.
 564         (store_mem): Likewise for stores.
 565         (max_mem): New variable.
 566
 567 Tue May  6 13:24:36 1997  Jeffrey A Law  (law@cygnus.com)
 568
 569         * mn10300_sim.h: Fix ordering of bits in the PSW.
 570
 571         * interp.c: Improve hashing routine to avoid long list
 572         traversals for common instructions.  Add HASH_STAT support.
 573         Rewrite opcode dispatch code using a big switch instead of
 574         cascaded if/else statements.  Avoid useless calls to load_mem.
 575
 576 Mon May  5 18:07:48 1997  Jeffrey A Law  (law@cygnus.com)
 577
 578         * mn10300_sim.h (struct _state): Add space for mdrq register.
 579         (REG_MDRQ): Define.
 580         * simops.c: Don't abort for trap.  Add support for the extended
 581         instructions, "getx", "putx", "mulq", "mulqu", "sat16", "sat24",
 582         and "bsch".
 583
 584 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 585
 586         * configure: Regenerated to track ../common/aclocal.m4 changes.
 587
 588 Fri Apr 18 14:04:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 589
 590         * interp.c (sim_stop): Add stub function.
 591
 592 Thu Apr 17 03:26:59 1997  Doug Evans  <dje@canuck.cygnus.com>
 593
 594         * Makefile.in (SIM_OBJS): Add sim-load.o.
 595         * interp.c (sim_kind, myname): New static locals.
 596         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 597         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
 598         load file into simulator.  Set start address from bfd.
 599         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 600
 601 Wed Apr 16 19:30:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 602
 603         * simops.c (OP_F020): SYS_execv, SYS_time, SYS_times, SYS_utime
 604         only include if implemented by host.
 605         (OP_F020): Typecast arg passed to time function;
 606
 607 Mon Apr  7 23:57:49 1997  Jeffrey A Law  (law@cygnus.com)
 608
 609         * simops.c (syscall): Handle new mn10300 calling conventions.
 610
 611 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 612
 613         * configure: Regenerated to track ../common/aclocal.m4 changes.
 614         * config.in: Ditto.
 615
 616 Fri Apr  4 20:02:37 1997  Ian Lance Taylor  <ian@cygnus.com>
 617
 618         * Makefile.in: Change mn10300-opc.o to m10300-opc.o, to match
 619         corresponding change in opcodes directory.
 620
 621 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 622
 623         * interp.c (sim_open): New arg `kind'.
 624
 625         * configure: Regenerated to track ../common/aclocal.m4 changes.
 626
 627 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 628
 629         * configure: Regenerated to track ../common/aclocal.m4 changes.
 630
 631 Thu Mar 20 11:58:02 1997  Jeffrey A Law  (law@cygnus.com)
 632
 633         * simops.c: Fix register extraction for a two "movbu" variants.
 634         Somewhat simplify "sub" instructions.
 635         Correctly sign extend operands for "mul".  Put the correct
 636         half of the result in MDR for "mul" and "mulu".
 637         Implement remaining instructions.
 638         Tweak opcode for "syscall".
 639
 640 Tue Mar 18 14:21:21 1997  Jeffrey A Law  (law@cygnus.com)
 641
 642         * simops.c: Do syscall emulation in "syscall" instruction.  Add
 643         dummy "trap" instruction.
 644
 645 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 646
 647         * configure: Regenerated to track ../common/aclocal.m4 changes.
 648
 649 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 650
 651         * configure: Re-generate.
 652
 653 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 654
 655         * configure: Regenerate to track ../common/aclocal.m4 changes.
 656
 657 Thu Mar 13 12:54:45 1997  Doug Evans  <dje@canuck.cygnus.com>
 658
 659         * interp.c (sim_open): New SIM_DESC result.  Argument is now
 660         in argv form.
 661         (other sim_*): New SIM_DESC argument.
 662
 663 Wed Mar 12 15:04:00 1997  Jeffrey A Law  (law@cygnus.com)
 664
 665         * simops.c: Fix carry bit computation for "add" instructions.
 666
 667         * simops.c: Fix typos in bset insns.  Fix arguments to store_mem
 668         for bset imm8,(d8,an) and bclr imm8,(d8,an).
 669
 670 Wed Mar  5 15:00:10 1997  Jeffrey A Law  (law@cygnus.com)
 671
 672         * simops.c: Fix register references when computing Z and N bits
 673         for lsr imm8,dn.
 674
 675 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 676
 677         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 678         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 679         * configure.in: sinclude ../common/aclocal.m4.
 680         * configure: Regenerated.
 681
 682 Fri Jan 24 10:47:25 1997  Jeffrey A Law  (law@cygnus.com)
 683
 684         * interp.c (init_system): Allocate 2^19 bytes of space for the
 685         simulator.
 686
 687 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 688
 689         * configure configure.in Makefile.in:  Update to new configure
 690         scheme which is more compatible with WinGDB builds.
 691         * configure.in:  Improve comment on how to run autoconf.
 692         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 693         * Makefile.in:  Use autoconf substitution to install common
 694         makefile fragment.
 695
 696 Tue Jan 21 15:03:04 1997  Jeffrey A Law  (law@cygnus.com)
 697
 698         * simops.c: Undo last change to "rol" and "ror", original code
 699         was correct!
 700
 701 Thu Jan 16 11:28:14 1997  Jeffrey A Law  (law@cygnus.com)
 702
 703         * simops.c: Fix "rol" and "ror".
 704
 705 Wed Jan 15 06:45:58 1997  Jeffrey A Law  (law@cygnus.com)
 706
 707         * simops.c: Fix typo in last change.
 708
 709 Mon Jan 13 13:22:35 1997  Jeffrey A Law  (law@cygnus.com)
 710
 711         * simops.c: Use REG macros in few places not using them yet.
 712
 713 Mon Jan  6 16:21:19 1997  Jeffrey A Law  (law@cygnus.com)
 714
 715         * mn10300_sim.h (struct _state): Fix number of registers!
 716
 717 Tue Dec 31 16:20:41 1996  Jeffrey A Law  (law@cygnus.com)
 718
 719         * mn10300_sim.h (struct _state): Put all registers into a single
 720         array to make gdb implementation easier.
 721         (REG_*): Add definitions for all registers in the state array.
 722         (SEXT32, SEXT40, SEXT44, SEXT60): Remove unused macros.
 723         * simops.c: Related changes.
 724
 725 Wed Dec 18 10:10:45 1996  Jeffrey A Law  (law@cygnus.com)
 726
 727         * interp.c (sim_resume): Handle 0xff as a single byte insn.
 728
 729         * simops.c: Fix overflow computation for "add" and "inc"
 730         instructions.
 731
 732 Mon Dec 16 10:03:52 1996  Jeffrey A Law  (law@cygnus.com)
 733
 734         * simops.c: Handle "break" instruction.
 735
 736         * simops.c: Fix restoring the PC for "ret" and "retf" instructions.
 737
 738 Wed Dec 11 09:53:10 1996  Jeffrey A Law  (law@cygnus.com)
 739
 740         * gencode.c (write_opcodes): Also write out the format of the
 741         opcode.
 742         * mn10300_sim.h (simops): Add "format" field.
 743         * interp.c (sim_resume): Deal with endianness issues here.
 744
 745 Tue Dec 10 15:05:37 1996  Jeffrey A Law  (law@cygnus.com)
 746
 747         * simops.c (REG0_4): Define.
 748         Use REG0_4 for indexed loads/stores.
 749
 750 Sat Dec  7 09:50:28 1996  Jeffrey A Law  (law@cygnus.com)
 751
 752         * simops.c (REG0_16): Fix typo.
 753
 754 Fri Dec  6 14:13:34 1996  Jeffrey A Law  (law@cygnus.com)
 755
 756         * simops.c: Call abort for any instruction that's not currently
 757         simulated.
 758
 759         * simops.c: Define accessor macros to extract register
 760         values from instructions.  Use them consistently.
 761
 762         * interp.c: Delete unused global variable "OP".
 763         (sim_resume): Remove unused variable "opcode".
 764         * simops.c: Fix some uninitialized variable problems, add
 765         parens to fix various -Wall warnings.
 766
 767         * gencode.c (write_header): Add "insn" and "extension" arguments
 768         to the OP_* declarations.
 769         (write_template): Similarly for function templates.
 770         * interp.c (insn, extension): Remove global variables.  Instead
 771         pass them as arguments to the OP_* functions.
 772         * mn10300_sim.h: Remove decls for "insn" and "extension".
 773         * simops.c (OP_*): Accept "insn" and "extension" as arguments
 774         instead of using globals.
 775
 776 Thu Dec  5 22:26:31 1996  Jeffrey A Law  (law@cygnus.com)
 777
 778         * simops.c: Fix typos in "mov am,(d16,an)" and "mov am,(d32,an)"
 779
 780         * simops.c: Fix thinkos in last change to "inc dn".
 781
 782 Wed Dec  4 10:57:53 1996  Jeffrey A Law  (law@cygnus.com)
 783
 784         * simops.c: "add imm,sp" does not effect the condition codes.
 785         "inc dn" does effect the condition codes.
 786
 787 Tue Dec  3 17:37:45 1996  Jeffrey A Law  (law@cygnus.com)
 788
 789         * simops.c: Treat both operands as signed values for
 790         "div" instruction.
 791
 792         * simops.c: Fix simulation of division instructions.
 793         Fix typos/thinkos in several "cmp" and "sub" instructions.
 794
 795 Mon Dec  2 12:31:40 1996  Jeffrey A Law  (law@cygnus.com)
 796
 797         * simops.c: Fix carry bit handling in "sub" and "cmp"
 798         instructions.
 799
 800         * simops.c: Fix "mov imm8,an" and "mov imm16,dn".
 801
 802 Sun Dec  1 16:05:42 1996  Jeffrey A Law  (law@cygnus.com)
 803
 804         * simops.c: Fix overflow computation for many instructions.
 805
 806         * simops.c: Fix "mov dm, an", "movbu dm, (an)", and "movhu dm, (an)".
 807
 808         * simops.c: Fix "mov am, dn".
 809
 810         * simops.c: Fix more bugs in "add imm,an" and
 811         "add imm,dn".
 812
 813 Wed Nov 27 09:20:42 1996  Jeffrey A Law  (law@cygnus.com)
 814
 815         * simops.c: Fix bugs in "movm" and "add imm,an".
 816
 817         * simops.c: Don't lose the upper 24 bits of the return
 818         pointer in "call" and "calls" instructions.  Rough cut
 819         at emulated system calls.
 820
 821         * simops.c: Implement the remaining 5, 6 and 7 byte instructions.
 822
 823         * simops.c: Implement remaining 4 byte instructions.
 824
 825         * simops.c: Implement remaining 3 byte instructions.
 826
 827         * simops.c: Implement remaining 2 byte instructions.  Call
 828         abort for instructions we're not implementing now.
 829
 830 Tue Nov 26 15:43:41 1996  Jeffrey A Law  (law@cygnus.com)
 831
 832         * simops.c: Implement lots of random instructions.
 833
 834         * simops.c: Implement "movm" and "bCC" insns.
 835
 836         * mn10300_sim.h (_state): Add another register (MDR).
 837         (REG_MDR): Define.
 838         * simops.c: Implement "cmp", "calls", "rets", "jmp" and
 839         a few additional random insns.
 840
 841         * mn10300_sim.h (PSW_*): Define for CC status tracking.
 842         (REG_D0, REG_A0, REG_SP): Define.
 843         * simops.c: Implement "add", "addc" and a few other random
 844         instructions.
 845
 846         * gencode.c, interp.c: Snapshot current simulator code.
 847
 848 Mon Nov 25 12:46:38 1996  Jeffrey A Law  (law@cygnus.com)
 849
 850         * Makefile.in, config.in, configure, configure.in: New files.
 851         * gencode.c, interp.c, mn10300_sim.h, simops.c: New files.
 852