sim/mn10300/ChangeLog

   1 2000-04-09  Alexandre Oliva  <aoliva@cygnus.com>
   2
   3         * am33.igen: Make SP-relative offsets unsigned.  Add `*am33' for
   4         some instructions that were missing it.
   5
   6 2000-03-03  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
   7
   8         * Makefile.in (IGEN_INSN): Added am33.igen.
   9
  10 Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>
  11
  12         * configure: Regenerated to track ../common/aclocal.m4 changes.
  13
  14 Tue Jul 13 13:26:20 1999  Andrew Cagney  <cagney@b1.cygnus.com>
  15
  16         * interp.c: Clarify error message reporting an unknown board.
  17
  18 1999-05-08  Felix Lee  <flee@cygnus.com>
  19
  20         * configure: Regenerated to track ../common/aclocal.m4 changes.
  21
  22 1999-04-16  Frank Ch. Eigler  <fche@cygnus.com>
  23
  24         * interp.c (program_interrupt): Detect undesired recursion using
  25         static flag.  Set NMIRC register's SYSEF flag during
  26         --board=stdeval1 mode.
  27         * dv-mn103-int.c (write_icr): Add backdoor address to allow CPU to
  28         set SYSEF flag.
  29
  30 1999-04-02  Keith Seitz  <keiths@cygnus.com>
  31
  32         * Makefile.in (SIM_EXTRA_CFLAGS): Define a POLL_QUIT_INTERVAL
  33         for use in the simulator so that the poll_quit callback is
  34         not called too often.
  35
  36 Tue Mar  9 21:26:41 1999  Andrew Cagney  <cagney@b1.cygnus.com>
  37
  38         * dv-mn103int.c (mn103int_ioctl): Return something.
  39         * dv-mn103tim.c (write_tm6md): GCC suggested parentheses around &&
  40         within ||.
  41
  42 Tue Feb 16 23:57:17 1999  Jeffrey A Law  (law@cygnus.com)
  43
  44         * mn10300.igen (retf): Fix return address computation and store
  45         the new pc value into nia.
  46
  47 1998-12-29  Frank Ch. Eigler  <fche@cygnus.com>
  48
  49         * Makefile.in (WITH_COMMON_OBJS): Build also dv-sockser.o.
  50         * interp.c (sim_open): Add stub mn103002 cache control memory regions.
  51         Set OPERATING_ENVIRONMENT on "stdeval1" board.
  52         (mn10300_core_signal): New function to intercept memory errors.
  53         (program_interrupt): New function to dispatch to exception vector
  54         (mn10300_exception_*): New functions to snapshot pre/post exception
  55         state.
  56         * sim-main.h (SIM_CORE_SIGNAL): Define hook - call mn10300_core_signal.
  57         (SIM_ENGINE_HALT_HOOK): Do nothing.
  58         (SIM_CPU_EXCEPTION*): Define hooks to call mn10300_cpu_exception*().
  59         (_sim_cpu): Add exc_* fields to store register value snapshots.
  60         * dv-mn103ser.c (*): Support dv-sockser backend for UART I/O.
  61         Various endianness and warning fixes.
  62         * mn10300.igen (illegal): Call program_interrupt on error.
  63         (break): Call program_interrupt on breakpoint
  64
  65         Several changes from <janczyn@cygnus.com> and <cagney@cygnus.com>
  66         merged in:
  67         * dv-mn103int.c (mn103int_ioctl): New function for NMI
  68         generation. (mn103int_finish): Install it as ioctl handler.
  69         * dv-mn103tim.c: Support timer 6 specially.  Endianness fixes.
  70
  71 Wed Oct 14 12:11:05 1998  Jeffrey A Law  (law@cygnus.com)
  72
  73         * am33.igen: Allow autoincrement stores using the same register
  74         for source and destination operands.
  75
  76 Mon Aug 31 10:19:55 1998  Jeffrey A Law  (law@cygnus.com)
  77
  78         * am33.igen: Reverse HI/LO outputs of 4 operand "mul" and "mulu".
  79
  80 Fri Aug 28 14:40:49 1998  Joyce Janczyn  <janczyn@cygnus.com>
  81
  82         * interp.c (sim_open): Check for invalid --board option, fix
  83         indentation, allocate memory for mem control and DMA regs.
  84
  85 Wed Aug 26 09:29:38 1998  Joyce Janczyn  <janczyn@cygnus.com>
  86
  87         * mn10300.igen (div,divu): Fix divide instructions so divide by 0
  88         behaves like the hardware.
  89
  90 Mon Aug 24 11:50:09 1998  Joyce Janczyn  <janczyn@cygnus.com>
  91
  92         * sim-main.h (SIM_HANDLES_LMA): Define SIM_HANDLES_LMA.
  93
  94 Wed Aug 12 12:36:07 1998  Jeffrey A Law  (law@cygnus.com)
  95
  96         * am33.igen: Handle case where first DSP operation modifies a
  97         register used in the second DSP operation correctly.
  98
  99 Tue Jul 28 10:10:25 1998  Jeffrey A Law  (law@cygnus.com)
 100
 101         * am33.igen: Detect cases where two operands must not match for
 102         DSP instructions too.
 103
 104 Mon Jul 27 12:04:17 1998  Jeffrey A Law  (law@cygnus.com)
 105
 106         * am33.igen: Detect cases where two operands must not match in
 107         non-DSP instructions.
 108
 109 Fri Jul 24 18:15:21 1998  Joyce Janczyn  <janczyn@cygnus.com>
 110
 111         * op_utils.c (do_syscall): Rewrite to use common/syscall.c.
 112         (syscall_read_mem, syscall_write_mem): New functions for syscall
 113         callbacks.
 114         * mn10300_sim.h: Add prototypes for syscall_read_mem and
 115         syscall_write_mem.
 116         * mn10300.igen: Change C++ style comments to C style comments.
 117         Check for divide by zero in div and divu ops.
 118
 119 Fri Jul 24 12:49:28 1998  Jeffrey A Law  (law@cygnus.com)
 120
 121         * am33.igen (translate_xreg): New function.  Use it as needed.
 122
 123 Thu Jul 23 10:05:28 1998  Jeffrey A Law  (law@cygnus.com)
 124
 125         * am33.igen: Add some missing instructions.
 126
 127         * am33.igen: Autoincrement loads/store fixes.
 128
 129 Tue Jul 21 09:48:14 1998  Jeffrey A Law  (law@cygnus.com)
 130
 131         * am33.igen: Add mov_lCC DSP instructions.
 132
 133         * am33.igen: Add most am33 DSP instructions.
 134
 135 Thu Jul  9 10:06:55 1998  Jeffrey A Law  (law@cygnus.com)
 136
 137         * mn10300.igen: Fix Z bit for addc and subc instructions.
 138         Minor fixes in multiply/divide patterns.
 139
 140         * am33.igen: Add missing mul[u] imm32,Rn.  Fix condition code
 141         handling for many instructions.  Fix sign extension for some
 142         24bit immediates.
 143
 144         * am33.igen: Fix Z bit for remaining addc/subc instructions.
 145         Do not sign extend immediate for mov imm,XRn.
 146         More random mul, mac & div fixes.
 147         Remove some unused variables.
 148         Sign extend 24bit displacement in memory addresses.
 149
 150         * am33.igen: Fix Z bit for addc Rm,Rn and subc Rm,Rn.  Various
 151         fixes to 2 register multiply, divide and mac instructions.  Set
 152         Z,N correctly for sat16.  Sign extend 24 bit immediate for add,
 153         and sub instructions.
 154
 155         * am33.igen: Add remaining non-DSP instructions.
 156
 157 Wed Jul  8 16:29:12 1998  Jeffrey A Law  (law@cygnus.com)
 158
 159         * am33.igen (translate_rreg): New function.  Use it as appropriate.
 160
 161         * am33.igen: More am33 instructions.  Fix "div".
 162
 163 Mon Jul  6 15:39:22 1998  Jeffrey A Law  (law@cygnus.com)
 164
 165         * mn10300.igen: Add am33 support.
 166
 167         * Makefile.in: Use multi-sim to support both a mn10300 and am33
 168         simulator.
 169
 170         * am33.igen: Add many more am33 instructions.
 171
 172 Wed Jul  1 17:07:09 1998  Jeffrey A Law  (law@cygnus.com)
 173
 174         * mn10300_sim.h (FETCH24): Define.
 175
 176         * mn10300_sim.h: Add defines for some registers found on the AM33.
 177         * am33.igen: New file with some am33 support.
 178
 179 Tue Jun 30 11:23:20 1998  Jeffrey A Law  (law@cygnus.com)
 180
 181         * mn10300_sim.h: Include bfd.h
 182         (struct state): Add more room for processor specific registers.
 183         (REG_E0): Define.
 184
 185 Thu Jun 25 10:12:03 1998  Joyce Janczyn  <janczyn@cygnus.com>
 186
 187         * dv-mn103tim.c: Include sim-assert.h
 188         * dv-mn103ser.c (do_polling_event): Check for incoming data on
 189         serial line and schedule next polling event.
 190         (read_status_reg): schedule events to check for incoming data on
 191         serial line and issue interrupt if necessary.
 192
 193 Fri Jun 19 16:47:27 1998  Joyce Janczyn  <janczyn@cygnus.com>
 194
 195         * interp.c (sim_open): hook up serial 1 and 2 ports properly (typo).
 196
 197 Fri Jun 19 11:59:26 1998  Joyce Janczyn  <janczyn@cygnus.com>
 198
 199         * interp.c (board): Rename am32 to stdeval1 as this is the name
 200         consistently used to refer to the mn1030002 board.
 201
 202 Thu June 18 14:37:14 1998  Joyce Janczyn  <janczyn@cygnus.com>
 203         * interp.c (sim_open): Fix typo in address of EXTMD register
 204         (0x34000280, not 0x3400280).
 205
 206 Wed Jun 17 18:00:18 1998  Jeffrey A Law  (law@cygnus.com)
 207
 208         * simops.c (syscall): Handle change in opcode # for syscall.
 209         * mn10300.igen (syscall): Likewise.
 210
 211 Tue June 16 09:36:21 1998  Joyce Janczyn  <janczyn@cygnus.com>
 212         * dv-mn103int.c (mn103int_finish): Regular interrupts (not NMI or
 213         reset) are not enabled on reset.
 214
 215 Sun June 14 17:04:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 216         * dv-mn103iop.c (write_*_reg): Check for attempt to write r/o
 217         register bits.
 218         * dv-mn103ser.c: Fill in methods for reading and writing to serial
 219         device registers.
 220         * interp.c (sim_open): Make the serial device a polling device.
 221
 222 Fri June 12 16:24:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 223         * dv-mn103iop.c: New file for handling am32 io ports.
 224         * configure.in: Add mn103iop to hw_device list.
 225         * configure: Re-generate.
 226         * interp.c (sim_open): Create io port device.
 227
 228 Wed June 10 14:34:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 229         * dv-mn103int.c (external_group): Use enumerated types to access
 230         correct group addresses.
 231         * dv-mn103tim.c (do_counter_event): Underflow of cascaded timer
 232         triggers an interrupt on the higher-numbered timer's port.
 233
 234 Mon June 8 13:30:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 235         * interp.c: (mn10300_option_handler): New function parses arguments
 236         using sim-options.
 237         * (board): Add --board option for specifying am32.
 238         * (sim_open): Create new timer and serial devices and control
 239         configuration of other am32 devices via board option.
 240         * dv-mn103tim.c, dv-mn103ser.c: New files for timers and serial devices.
 241         * dv-mn103cpu.c: Fix typos in opening comments.
 242         * dv-mn103int.c: Adjust interrupt controller settings for am32 instead of am30.
 243         * configure.in: Add mn103tim and mn103ser to hw_device list.
 244         * configure: Re-generate.
 245
 246 Mon May 25 20:50:35 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 247
 248         * dv-mn103int.c, dv-mn103cpu.c: Rename *_callback to *_method.
 249
 250         * dv-mn103cpu.c, dv-mn103int.c: Include hw-main.h and
 251         sim-main.h. Declare a struct hw_descriptor instead of struct
 252         hw_device_descriptor.
 253
 254 Mon May 25 17:33:33 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 255
 256         * dv-mn103cpu.c (struct mn103cpu): Change type of pending_handler
 257         to struct hw_event.
 258
 259 Fri May 22 12:17:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 260
 261         * configure.in (SIM_AC_OPTION_HARDWARE): Add argument "yes".
 262
 263 Wed May  6 13:29:06 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 264
 265         * interp.c (sim_open): Create a polling PAL device.
 266
 267 Fri May  1 16:39:15 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 268
 269         * dv-mn103int.c (mn103int_port_event):
 270         (mn103int_port_event):
 271         (mn103int_io_read_buffer):
 272         (mn103int_io_write_buffer):
 273
 274         * dv-mn103cpu.c (deliver_mn103cpu_interrupt): Drop CPU/CIA args.
 275         (mn103cpu_port_event): Ditto.
 276         (mn103cpu_io_read_buffer): Ditto.
 277         (mn103cpu_io_write_buffer): Ditto.
 278
 279 Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>
 280
 281         * configure: Regenerated to track ../common/aclocal.m4 changes.
 282
 283 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
 284
 285         * configure: Regenerated to track ../common/aclocal.m4 changes.
 286         * config.in: Ditto.
 287
 288 Sun Apr 26 15:19:55 1998  Tom Tromey  <tromey@cygnus.com>
 289
 290         * acconfig.h: New file.
 291         * configure.in: Reverted change of Apr 24; use sinclude again.
 292
 293 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
 294
 295         * configure: Regenerated to track ../common/aclocal.m4 changes.
 296         * config.in: Ditto.
 297
 298 Fri Apr 24 11:19:07 1998  Tom Tromey  <tromey@cygnus.com>
 299
 300         * configure.in: Don't call sinclude.
 301
 302 Tue Apr 14 10:03:02 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 303
 304         * mn10300_sim.h: Declare all functions in op_utils.c using
 305         INLINE_SIM_MAIN.
 306         * op_utils.c: Ditto.
 307         * sim-main.c: New file.  Include op_utils.c.
 308
 309         * mn10300.igen (mov, cmp): Use new igen operators `!' and `=' to
 310         differentiate between MOV/CMP immediate/register instructions.
 311
 312         * configure.in (SIM_AC_OPTION_INLINE): Add and enable.
 313         * configure: Regenerate.
 314
 315 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 316
 317         * configure: Regenerated to track ../common/aclocal.m4 changes.
 318
 319 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 320
 321         * interp.c (hw): Delete variable, moved to SIM_DESC.
 322         (sim_open): Delete calls to hw_tree_create, hw_tree_finish.
 323         Handled by sim-module.
 324         (sim_open): Do not anotate tree with trace properties, handled by
 325         sim-hw.c
 326         (sim_open): Call sim_hw_parse instead of hw_tree_parse.
 327
 328         * configure: Regenerated to track ../common/aclocal.m4 changes.
 329
 330 Thu Mar 26 20:46:18 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>
 331
 332         * dv-mn103cpu.c (deliver_mn103cpu_interrupt):  Save the entire PC
 333         on the stack when delivering interrupts (not just the lower
 334         half)...
 335         * mn10300.igen (mov (Di,Am),Dn):  Fix decode.  Registers were
 336         specified in the wrong order.
 337
 338 Fri Mar 27 00:56:40 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 339
 340         * dv-mn103cpu.c (deliver_mn103cpu_interrupt): Stop loss of
 341         succeeding interrupts, clear pending_handler when the handler
 342         isn't re-scheduled.
 343
 344 Thu Mar 26 10:11:01 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>
 345
 346         * Makefile.in (tmp-igen):  Prefix all usage of move-if-change
 347         script with $(SHELL) to make NT native builds happy.
 348         * configure:  Regenerate because of change to ../common/aclocal.m4.
 349
 350 Thu Mar 26 11:22:31 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 351
 352         * configure.in: Make --enable-sim-common the default.
 353         * configure: Re-generate.
 354
 355         * sim-main.h (CIA_GET, CIA_SET): Save/restore current instruction
 356         address into Sate.regs[REG_PC] instead of common struct.
 357
 358 Wed Mar 25 17:42:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 359
 360         * mn10300.igen (cmp imm8,An): Do not sign extend imm8 value.
 361
 362 Wed Mar 25 12:08:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 363
 364         * simops.c (OP_F0FD): Initialise variable 'sp'.
 365
 366 Thu Mar 26 00:21:32 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 367
 368         * dv-mn103int.c (decode_group): A group register every 4 bytes not
 369         8.
 370         (write_icr): Rewrite equation updating request field.
 371         (read_iagr): Fix check that interrupt is still pending.
 372
 373 Wed Mar 25 16:14:50 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 374
 375         * interp.c (sim_open): Tidy up device creation.
 376
 377         * dv-mn103int.c (mn103int_port_event): Drive NMI with non-zero
 378         value.
 379         (mn103int_io_read_buffer): Convert absolute address to register
 380         block offsets.
 381         (read_icr, write_icr): Convert block offset into group offset.
 382
 383 Wed Mar 25 15:08:49 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 384
 385         * interp.c (sim_open): Create second 1mb memory region at
 386         0x40000000.
 387         (sim_open): Create a device tree.
 388         (sim-hw.h): Include.
 389         (do_interrupt): Delete, needs to use dv-mn103cpu.c
 390
 391         * dv-mn103int.c, dv-mn103cpu.c: New files.
 392
 393 Wed Mar 25 08:47:38 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 394
 395         * mn10300_sim.h (EXTRACT_PSW_LM, INSERT_PSW_LM, PSW_IE, PSW_LM):
 396         Define.
 397         (SP): Define.
 398
 399 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 400
 401         * configure: Regenerated to track ../common/aclocal.m4 changes.
 402
 403 Wed Mar 25 10:24:48 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 404
 405         * interp.c (sim-options.h): Include.
 406         (sim_kind, myname): Declare when not using common framework.
 407
 408         * mn10300_sim.h (do_syscall, generic*): Provide prototypes for
 409         functions found in op_utils.c
 410
 411         * mn10300.igen (add): Discard unused variables.
 412
 413         * configure, config.in: Re-generate with autoconf 2.12.1.
 414
 415 Tue Mar 24 15:27:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 416
 417         Add support for --enable-sim-common option.
 418         * Makefile.in (WITHOUT_COMMON_OBJS): Files included if
 419         ! --enable-sim-common
 420         (WITH_COMMON_OBJS): Files included if --enable-sim-common.
 421         (MN10300_OBJS,MN10300_INTERP_DEP): New variables.
 422         (SIM_OBJS): Rewrite.
 423         ({WITHOUT,WITH}_COMMON_RUN_OBJS,SIM_RUN_OBJS): New variables.
 424         (SIM_EXTRA_CFLAGS): New variable.
 425         (clean-extra): Clean up igen files.
 426         (../igen/igen,clean-igen,tmp-igen): New rules.
 427         * configure.in: Add support for common framework via
 428         --enable-sim-common.
 429         * configure: Regenerate.
 430         * interp.c: #include sim-main if WITH_COMMON, not mn10300_sim.h.
 431         (hash,dispatch,sim_size): Don't compile if ! WITH_COMMON.
 432         (init_system,sim_write,compare_simops): Likewise.
 433         (sim_set_profile,sim_set_profile_size): Likewise.
 434         (sim_stop,sim_resume,sim_trace,sim_info): Likewise.
 435         (sim_set_callbacks,sim_stop_reason,sim_read,sim_load): Likewise.
 436         (enum interrupt_type): New enum.
 437         (interrupt_names): New global.
 438         (do_interrupt): New function.
 439         (sim_open): Define differently if WITH_COMMON.
 440         (sim_close,sim_create_inferior,sim_do_command): Likewise.
 441         * mn10300_sim.h ({load,store}_{byte,half,word}): Define versions
 442         for WITH_COMMON.
 443         * mn10300.igen: New file.
 444         * mn10300.dc: New file.
 445         * op_utils.c: New file.
 446         * sim-main.h: New file.
 447
 448 Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 449
 450         * configure: Regenerated to track ../common/aclocal.m4 changes.
 451
 452 Fri Feb 27 18:36:04 1998  Jeffrey A Law  (law@cygnus.com)
 453
 454         * simops.c (inc): Fix typo.
 455
 456 Wed Feb 25 01:59:29 1998  Jeffrey A Law  (law@cygnus.com)
 457
 458         * simops.c (signed multiply instructions): Cast input operands to
 459         signed32 before casting them to signed64 so that the sign bit
 460         is propagated properly.
 461
 462 Mon Feb 23 20:23:19 1998  Mark Alexander  <marka@cygnus.com>
 463
 464         * Makefile.in: Last change was bad.  Define NL_TARGET
 465         so that targ-vals.h will be used instead of syscall.h.
 466         * simops.c: Use targ-vals.h instead of syscall.h.
 467         (OP_F020): Disable unsupported system calls.
 468
 469 Mon Feb 23 09:44:38 1998  Mark Alexander  <marka@cygnus.com>
 470
 471         * Makefile.in: Get header files from libgloss/mn10300/sys.
 472
 473 Sun Feb 22 16:02:24 1998  Jeffrey A Law  (law@cygnus.com)
 474
 475         * simops.c: Include sim-types.h.
 476
 477 Wed Feb 18 13:07:08 1998  Jeffrey A Law  (law@cygnus.com)
 478
 479         * simops.c (multiply instructions): Cast input operands to a
 480         signed64/unsigned64 type as appropriate.
 481
 482 Tue Feb 17 12:47:16 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 483
 484         * interp.c (sim_store_register, sim_fetch_register): Pass in
 485         length parameter.  Return -1.
 486
 487 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 488
 489         * configure: Regenerated to track ../common/aclocal.m4 changes.
 490
 491 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 492
 493         * configure: Regenerated to track ../common/aclocal.m4 changes.
 494
 495 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 496
 497         * configure: Regenerated to track ../common/aclocal.m4 changes.
 498
 499 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 500
 501         * configure: Regenerated to track ../common/aclocal.m4 changes.
 502         * config.in: Ditto.
 503
 504 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 505
 506         * configure: Regenerated to track ../common/aclocal.m4 changes.
 507
 508 Tue Nov 11 10:38:52 1997  Jeffrey A Law  (law@cygnus.com)
 509
 510         * simops.c (call:16 call:32): Stack adjustment is determined solely
 511         by the imm8 field.
 512
 513 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 514
 515         * interp.c (sim_load): Pass lma_p and sim_write args to
 516         sim_load_file.
 517
 518 Tue Oct 21 10:12:03 1997  Jeffrey A Law  (law@cygnus.com)
 519
 520         * simops.c: Correctly handle register restores for "ret" and "retf"
 521         instructions.
 522
 523 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 524
 525         * configure: Regenerated to track ../common/aclocal.m4 changes.
 526
 527 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 528
 529         * configure: Regenerated to track ../common/aclocal.m4 changes.
 530
 531 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 532
 533         * configure: Regenerated to track ../common/aclocal.m4 changes.
 534
 535 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 536
 537         * configure: Regenerated to track ../common/aclocal.m4 changes.
 538
 539 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 540
 541         * configure: Regenerated to track ../common/aclocal.m4 changes.
 542
 543 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 544
 545         * configure: Regenerated to track ../common/aclocal.m4 changes.
 546
 547 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 548
 549         * configure: Regenerated to track ../common/aclocal.m4 changes.
 550
 551 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 552
 553         * configure: Regenerated to track ../common/aclocal.m4 changes.
 554         * config.in: Ditto.
 555
 556 Tue Aug 26 10:41:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 557
 558         * interp.c (sim_kill): Delete.
 559         (sim_create_inferior): Add ABFD argument.
 560         (sim_load): Move setting of PC from here.
 561         (sim_create_inferior): To here.
 562
 563 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 564
 565         * configure: Regenerated to track ../common/aclocal.m4 changes.
 566         * config.in: Ditto.
 567
 568 Mon Aug 25 16:14:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 569
 570         * interp.c (sim_open): Add ABFD argument.
 571
 572 Tue Jun 24 13:46:20 1997  Jeffrey A Law  (law@cygnus.com)
 573
 574         * interp.c (sim_resume): Clear State.exited.
 575         (sim_stop_reason): If State.exited is nonzero, then indicate that
 576         the simulator exited instead of stopped.
 577         * mn10300_sim.h (struct _state): Add exited field.
 578         * simops.c (syscall): Set State.exited for SYS_exit.
 579
 580 Wed Jun 11 22:07:56 1997  Jeffrey A Law  (law@cygnus.com)
 581
 582         * simops.c: Fix thinko in last change.
 583
 584 Tue Jun 10 12:31:32 1997  Jeffrey A Law  (law@cygnus.com)
 585
 586         * simops.c: "call" stores the callee saved registers into the
 587         stack!  Update the stack pointer properly when done with
 588         register saves.
 589
 590         * simops.c: Fix return address computation for "call" instructions.
 591
 592 Thu May 22 01:43:11 1997  Jeffrey A Law  (law@cygnus.com)
 593
 594         * interp.c (sim_open): Fix typo.
 595
 596 Wed May 21 23:27:58 1997  Jeffrey A Law  (law@cygnus.com)
 597
 598         * interp.c (sim_resume): Add missing case in big switch
 599         statement (for extb instruction).
 600
 601 Tue May 20 17:51:30 1997  Jeffrey A Law  (law@cygnus.com)
 602
 603         * interp.c: Replace all references to load_mem and store_mem
 604         with references to load_byte, load_half, load_3_byte, load_word
 605         and store_byte, store_half, store_3_byte, store_word.
 606         (INLINE): Delete definition.
 607         (load_mem_big): Likewise.
 608         (max_mem): Make it global.
 609         (dispatch): Make this function inline.
 610         (load_mem, store_mem): Delete functions.
 611         * mn10300_sim.h (INLINE): Define.
 612         (RLW): Delete unused definition.
 613         (load_mem, store_mem): Delete declarations.
 614         (load_mem_big): New definition.
 615         (load_byte, load_half, load_3_byte, load_word): New functions.
 616         (store_byte, store_half, store_3_byte, store_word): New functions.
 617         * simops.c:  Replace all references to load_mem and store_mem
 618         with references to load_byte, load_half, load_3_byte, load_word
 619         and store_byte, store_half, store_3_byte, store_word.
 620
 621 Tue May 20 10:21:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 622
 623         * interp.c (sim_open): Add callback to arguments.
 624         (sim_set_callbacks): Delete SIM_DESC argument.
 625
 626 Mon May 19 13:54:22 1997  Jeffrey A Law  (law@cygnus.com)
 627
 628         * interp.c (dispatch): Make this an inline function.
 629
 630         * simops.c (syscall): Use callback->write regardless of
 631         what file descriptor we're writing too.
 632
 633 Sun May 18 16:46:31 1997  Jeffrey A Law  (law@cygnus.com)
 634
 635         * interp.c (load_mem_big): Remove function.  It's now a macro
 636         defined elsewhere.
 637         (compare_simops): New function.
 638         (sim_open): Sort the Simops table before inserting entries
 639         into the hash table.
 640         * mn10300_sim.h: Remove unused #defines.
 641         (load_mem_big): Define.
 642
 643 Fri May 16 16:36:17 1997  Jeffrey A Law  (law@cygnus.com)
 644
 645         * interp.c (load_mem): If we get a load from an out of range
 646         address, abort.
 647         (store_mem): Likewise for stores.
 648         (max_mem): New variable.
 649
 650 Tue May  6 13:24:36 1997  Jeffrey A Law  (law@cygnus.com)
 651
 652         * mn10300_sim.h: Fix ordering of bits in the PSW.
 653
 654         * interp.c: Improve hashing routine to avoid long list
 655         traversals for common instructions.  Add HASH_STAT support.
 656         Rewrite opcode dispatch code using a big switch instead of
 657         cascaded if/else statements.  Avoid useless calls to load_mem.
 658
 659 Mon May  5 18:07:48 1997  Jeffrey A Law  (law@cygnus.com)
 660
 661         * mn10300_sim.h (struct _state): Add space for mdrq register.
 662         (REG_MDRQ): Define.
 663         * simops.c: Don't abort for trap.  Add support for the extended
 664         instructions, "getx", "putx", "mulq", "mulqu", "sat16", "sat24",
 665         and "bsch".
 666
 667 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 668
 669         * configure: Regenerated to track ../common/aclocal.m4 changes.
 670
 671 Fri Apr 18 14:04:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 672
 673         * interp.c (sim_stop): Add stub function.
 674
 675 Thu Apr 17 03:26:59 1997  Doug Evans  <dje@canuck.cygnus.com>
 676
 677         * Makefile.in (SIM_OBJS): Add sim-load.o.
 678         * interp.c (sim_kind, myname): New static locals.
 679         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 680         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
 681         load file into simulator.  Set start address from bfd.
 682         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 683
 684 Wed Apr 16 19:30:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 685
 686         * simops.c (OP_F020): SYS_execv, SYS_time, SYS_times, SYS_utime
 687         only include if implemented by host.
 688         (OP_F020): Typecast arg passed to time function;
 689
 690 Mon Apr  7 23:57:49 1997  Jeffrey A Law  (law@cygnus.com)
 691
 692         * simops.c (syscall): Handle new mn10300 calling conventions.
 693
 694 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 695
 696         * configure: Regenerated to track ../common/aclocal.m4 changes.
 697         * config.in: Ditto.
 698
 699 Fri Apr  4 20:02:37 1997  Ian Lance Taylor  <ian@cygnus.com>
 700
 701         * Makefile.in: Change mn10300-opc.o to m10300-opc.o, to match
 702         corresponding change in opcodes directory.
 703
 704 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 705
 706         * interp.c (sim_open): New arg `kind'.
 707
 708         * configure: Regenerated to track ../common/aclocal.m4 changes.
 709
 710 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 711
 712         * configure: Regenerated to track ../common/aclocal.m4 changes.
 713
 714 Thu Mar 20 11:58:02 1997  Jeffrey A Law  (law@cygnus.com)
 715
 716         * simops.c: Fix register extraction for a two "movbu" variants.
 717         Somewhat simplify "sub" instructions.
 718         Correctly sign extend operands for "mul".  Put the correct
 719         half of the result in MDR for "mul" and "mulu".
 720         Implement remaining instructions.
 721         Tweak opcode for "syscall".
 722
 723 Tue Mar 18 14:21:21 1997  Jeffrey A Law  (law@cygnus.com)
 724
 725         * simops.c: Do syscall emulation in "syscall" instruction.  Add
 726         dummy "trap" instruction.
 727
 728 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 729
 730         * configure: Regenerated to track ../common/aclocal.m4 changes.
 731
 732 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 733
 734         * configure: Re-generate.
 735
 736 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 737
 738         * configure: Regenerate to track ../common/aclocal.m4 changes.
 739
 740 Thu Mar 13 12:54:45 1997  Doug Evans  <dje@canuck.cygnus.com>
 741
 742         * interp.c (sim_open): New SIM_DESC result.  Argument is now
 743         in argv form.
 744         (other sim_*): New SIM_DESC argument.
 745
 746 Wed Mar 12 15:04:00 1997  Jeffrey A Law  (law@cygnus.com)
 747
 748         * simops.c: Fix carry bit computation for "add" instructions.
 749
 750         * simops.c: Fix typos in bset insns.  Fix arguments to store_mem
 751         for bset imm8,(d8,an) and bclr imm8,(d8,an).
 752
 753 Wed Mar  5 15:00:10 1997  Jeffrey A Law  (law@cygnus.com)
 754
 755         * simops.c: Fix register references when computing Z and N bits
 756         for lsr imm8,dn.
 757
 758 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 759
 760         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 761         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 762         * configure.in: sinclude ../common/aclocal.m4.
 763         * configure: Regenerated.
 764
 765 Fri Jan 24 10:47:25 1997  Jeffrey A Law  (law@cygnus.com)
 766
 767         * interp.c (init_system): Allocate 2^19 bytes of space for the
 768         simulator.
 769
 770 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 771
 772         * configure configure.in Makefile.in:  Update to new configure
 773         scheme which is more compatible with WinGDB builds.
 774         * configure.in:  Improve comment on how to run autoconf.
 775         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 776         * Makefile.in:  Use autoconf substitution to install common
 777         makefile fragment.
 778
 779 Tue Jan 21 15:03:04 1997  Jeffrey A Law  (law@cygnus.com)
 780
 781         * simops.c: Undo last change to "rol" and "ror", original code
 782         was correct!
 783
 784 Thu Jan 16 11:28:14 1997  Jeffrey A Law  (law@cygnus.com)
 785
 786         * simops.c: Fix "rol" and "ror".
 787
 788 Wed Jan 15 06:45:58 1997  Jeffrey A Law  (law@cygnus.com)
 789
 790         * simops.c: Fix typo in last change.
 791
 792 Mon Jan 13 13:22:35 1997  Jeffrey A Law  (law@cygnus.com)
 793
 794         * simops.c: Use REG macros in few places not using them yet.
 795
 796 Mon Jan  6 16:21:19 1997  Jeffrey A Law  (law@cygnus.com)
 797
 798         * mn10300_sim.h (struct _state): Fix number of registers!
 799
 800 Tue Dec 31 16:20:41 1996  Jeffrey A Law  (law@cygnus.com)
 801
 802         * mn10300_sim.h (struct _state): Put all registers into a single
 803         array to make gdb implementation easier.
 804         (REG_*): Add definitions for all registers in the state array.
 805         (SEXT32, SEXT40, SEXT44, SEXT60): Remove unused macros.
 806         * simops.c: Related changes.
 807
 808 Wed Dec 18 10:10:45 1996  Jeffrey A Law  (law@cygnus.com)
 809
 810         * interp.c (sim_resume): Handle 0xff as a single byte insn.
 811
 812         * simops.c: Fix overflow computation for "add" and "inc"
 813         instructions.
 814
 815 Mon Dec 16 10:03:52 1996  Jeffrey A Law  (law@cygnus.com)
 816
 817         * simops.c: Handle "break" instruction.
 818
 819         * simops.c: Fix restoring the PC for "ret" and "retf" instructions.
 820
 821 Wed Dec 11 09:53:10 1996  Jeffrey A Law  (law@cygnus.com)
 822
 823         * gencode.c (write_opcodes): Also write out the format of the
 824         opcode.
 825         * mn10300_sim.h (simops): Add "format" field.
 826         * interp.c (sim_resume): Deal with endianness issues here.
 827
 828 Tue Dec 10 15:05:37 1996  Jeffrey A Law  (law@cygnus.com)
 829
 830         * simops.c (REG0_4): Define.
 831         Use REG0_4 for indexed loads/stores.
 832
 833 Sat Dec  7 09:50:28 1996  Jeffrey A Law  (law@cygnus.com)
 834
 835         * simops.c (REG0_16): Fix typo.
 836
 837 Fri Dec  6 14:13:34 1996  Jeffrey A Law  (law@cygnus.com)
 838
 839         * simops.c: Call abort for any instruction that's not currently
 840         simulated.
 841
 842         * simops.c: Define accessor macros to extract register
 843         values from instructions.  Use them consistently.
 844
 845         * interp.c: Delete unused global variable "OP".
 846         (sim_resume): Remove unused variable "opcode".
 847         * simops.c: Fix some uninitialized variable problems, add
 848         parens to fix various -Wall warnings.
 849
 850         * gencode.c (write_header): Add "insn" and "extension" arguments
 851         to the OP_* declarations.
 852         (write_template): Similarly for function templates.
 853         * interp.c (insn, extension): Remove global variables.  Instead
 854         pass them as arguments to the OP_* functions.
 855         * mn10300_sim.h: Remove decls for "insn" and "extension".
 856         * simops.c (OP_*): Accept "insn" and "extension" as arguments
 857         instead of using globals.
 858
 859 Thu Dec  5 22:26:31 1996  Jeffrey A Law  (law@cygnus.com)
 860
 861         * simops.c: Fix typos in "mov am,(d16,an)" and "mov am,(d32,an)"
 862
 863         * simops.c: Fix thinkos in last change to "inc dn".
 864
 865 Wed Dec  4 10:57:53 1996  Jeffrey A Law  (law@cygnus.com)
 866
 867         * simops.c: "add imm,sp" does not effect the condition codes.
 868         "inc dn" does effect the condition codes.
 869
 870 Tue Dec  3 17:37:45 1996  Jeffrey A Law  (law@cygnus.com)
 871
 872         * simops.c: Treat both operands as signed values for
 873         "div" instruction.
 874
 875         * simops.c: Fix simulation of division instructions.
 876         Fix typos/thinkos in several "cmp" and "sub" instructions.
 877
 878 Mon Dec  2 12:31:40 1996  Jeffrey A Law  (law@cygnus.com)
 879
 880         * simops.c: Fix carry bit handling in "sub" and "cmp"
 881         instructions.
 882
 883         * simops.c: Fix "mov imm8,an" and "mov imm16,dn".
 884
 885 Sun Dec  1 16:05:42 1996  Jeffrey A Law  (law@cygnus.com)
 886
 887         * simops.c: Fix overflow computation for many instructions.
 888
 889         * simops.c: Fix "mov dm, an", "movbu dm, (an)", and "movhu dm, (an)".
 890
 891         * simops.c: Fix "mov am, dn".
 892
 893         * simops.c: Fix more bugs in "add imm,an" and
 894         "add imm,dn".
 895
 896 Wed Nov 27 09:20:42 1996  Jeffrey A Law  (law@cygnus.com)
 897
 898         * simops.c: Fix bugs in "movm" and "add imm,an".
 899
 900         * simops.c: Don't lose the upper 24 bits of the return
 901         pointer in "call" and "calls" instructions.  Rough cut
 902         at emulated system calls.
 903
 904         * simops.c: Implement the remaining 5, 6 and 7 byte instructions.
 905
 906         * simops.c: Implement remaining 4 byte instructions.
 907
 908         * simops.c: Implement remaining 3 byte instructions.
 909
 910         * simops.c: Implement remaining 2 byte instructions.  Call
 911         abort for instructions we're not implementing now.
 912
 913 Tue Nov 26 15:43:41 1996  Jeffrey A Law  (law@cygnus.com)
 914
 915         * simops.c: Implement lots of random instructions.
 916
 917         * simops.c: Implement "movm" and "bCC" insns.
 918
 919         * mn10300_sim.h (_state): Add another register (MDR).
 920         (REG_MDR): Define.
 921         * simops.c: Implement "cmp", "calls", "rets", "jmp" and
 922         a few additional random insns.
 923
 924         * mn10300_sim.h (PSW_*): Define for CC status tracking.
 925         (REG_D0, REG_A0, REG_SP): Define.
 926         * simops.c: Implement "add", "addc" and a few other random
 927         instructions.
 928
 929         * gencode.c, interp.c: Snapshot current simulator code.
 930
 931 Mon Nov 25 12:46:38 1996  Jeffrey A Law  (law@cygnus.com)
 932
 933         * Makefile.in, config.in, configure, configure.in: New files.
 934         * gencode.c, interp.c, mn10300_sim.h, simops.c: New files.
 935