sim/mn10300/ChangeLog

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