sim/mn10300/ChangeLog

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