sim/mn10300/ChangeLog

   1 2001-04-26  Alexandre Oliva  <aoliva@redhat.com>
   2
   3         * Makefile.in (idecode.o, op_utils.o, semantics.o, simops.o):
   4         Depend on targ-vals.h.
   5
   6 2001-04-15  J.T. Conklin  <jtc@redback.com>
   7
   8         * Makefile.in (simops.o): Add simops.h to dependency list.
   9
  10 Wed Aug  9 02:24:53 2000  Graham Stott  <grahams@cygnus.co.uk>
  11
  12         * am33.igen: Warning clean-up.
  13         (movm): Initialize PC and mask.
  14         (mov, movbu, movhu): Set srcreg2 from RI0.
  15         (bsch): Initialize c.
  16         (sat16_cmp): Actually do the comparison.
  17         (mov_llt): Do not overwrite dstreg with uninitialized variable.
  18
  19 Tue May 23 21:39:23 2000  Andrew Cagney  <cagney@b1.cygnus.com>
  20
  21         * configure: Regenerated to track ../common/aclocal.m4 changes.
  22
  23 2000-05-22  Alexandre Oliva  <aoliva@cygnus.com>
  24
  25         * am33.igen: Fix leading comments of SP-relative offset insns that
  26         referred to other registers.  Make their offsets unsigned.
  27
  28 2000-05-18  Alexandre Oliva  <aoliva@cygnus.com>
  29
  30         * mn10300_sim.h (genericAdd, genericSub, genericCmp, genericOr,
  31         genericXor, genericBtst): Use `unsigned32'.
  32         * op_utils.c: Likewise.
  33         * mn10300.igen, am33.igen: Use `unsigned32', `signed32',
  34         `unsigned64' or `signed64' where type width is relevant.
  35
  36 2000-04-25  Alexandre Oliva  <aoliva@cygnus.com>
  37
  38         * am33.igen (inc4 Rn): Use genericAdd so as to modify flags.
  39
  40 2000-04-09  Alexandre Oliva  <aoliva@cygnus.com>
  41
  42         * am33.igen: Make SP-relative offsets unsigned.  Add `*am33' for
  43         some instructions that were missing it.
  44
  45 2000-03-03  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
  46
  47         * Makefile.in (IGEN_INSN): Added am33.igen.
  48
  49 Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>
  50
  51         * configure: Regenerated to track ../common/aclocal.m4 changes.
  52
  53 Tue Jul 13 13:26:20 1999  Andrew Cagney  <cagney@b1.cygnus.com>
  54
  55         * interp.c: Clarify error message reporting an unknown board.
  56
  57 1999-05-08  Felix Lee  <flee@cygnus.com>
  58
  59         * configure: Regenerated to track ../common/aclocal.m4 changes.
  60
  61 1999-04-16  Frank Ch. Eigler  <fche@cygnus.com>
  62
  63         * interp.c (program_interrupt): Detect undesired recursion using
  64         static flag.  Set NMIRC register's SYSEF flag during
  65         --board=stdeval1 mode.
  66         * dv-mn103-int.c (write_icr): Add backdoor address to allow CPU to
  67         set SYSEF flag.
  68
  69 1999-04-02  Keith Seitz  <keiths@cygnus.com>
  70
  71         * Makefile.in (SIM_EXTRA_CFLAGS): Define a POLL_QUIT_INTERVAL
  72         for use in the simulator so that the poll_quit callback is
  73         not called too often.
  74
  75 Tue Mar  9 21:26:41 1999  Andrew Cagney  <cagney@b1.cygnus.com>
  76
  77         * dv-mn103int.c (mn103int_ioctl): Return something.
  78         * dv-mn103tim.c (write_tm6md): GCC suggested parentheses around &&
  79         within ||.
  80
  81 Tue Feb 16 23:57:17 1999  Jeffrey A Law  (law@cygnus.com)
  82
  83         * mn10300.igen (retf): Fix return address computation and store
  84         the new pc value into nia.
  85
  86 1998-12-29  Frank Ch. Eigler  <fche@cygnus.com>
  87
  88         * Makefile.in (WITH_COMMON_OBJS): Build also dv-sockser.o.
  89         * interp.c (sim_open): Add stub mn103002 cache control memory regions.
  90         Set OPERATING_ENVIRONMENT on "stdeval1" board.
  91         (mn10300_core_signal): New function to intercept memory errors.
  92         (program_interrupt): New function to dispatch to exception vector
  93         (mn10300_exception_*): New functions to snapshot pre/post exception
  94         state.
  95         * sim-main.h (SIM_CORE_SIGNAL): Define hook - call mn10300_core_signal.
  96         (SIM_ENGINE_HALT_HOOK): Do nothing.
  97         (SIM_CPU_EXCEPTION*): Define hooks to call mn10300_cpu_exception*().
  98         (_sim_cpu): Add exc_* fields to store register value snapshots.
  99         * dv-mn103ser.c (*): Support dv-sockser backend for UART I/O.
 100         Various endianness and warning fixes.
 101         * mn10300.igen (illegal): Call program_interrupt on error.
 102         (break): Call program_interrupt on breakpoint
 103
 104         Several changes from <janczyn@cygnus.com> and <cagney@cygnus.com>
 105         merged in:
 106         * dv-mn103int.c (mn103int_ioctl): New function for NMI
 107         generation. (mn103int_finish): Install it as ioctl handler.
 108         * dv-mn103tim.c: Support timer 6 specially.  Endianness fixes.
 109
 110 Wed Oct 14 12:11:05 1998  Jeffrey A Law  (law@cygnus.com)
 111
 112         * am33.igen: Allow autoincrement stores using the same register
 113         for source and destination operands.
 114
 115 Mon Aug 31 10:19:55 1998  Jeffrey A Law  (law@cygnus.com)
 116
 117         * am33.igen: Reverse HI/LO outputs of 4 operand "mul" and "mulu".
 118
 119 Fri Aug 28 14:40:49 1998  Joyce Janczyn  <janczyn@cygnus.com>
 120
 121         * interp.c (sim_open): Check for invalid --board option, fix
 122         indentation, allocate memory for mem control and DMA regs.
 123
 124 Wed Aug 26 09:29:38 1998  Joyce Janczyn  <janczyn@cygnus.com>
 125
 126         * mn10300.igen (div,divu): Fix divide instructions so divide by 0
 127         behaves like the hardware.
 128
 129 Mon Aug 24 11:50:09 1998  Joyce Janczyn  <janczyn@cygnus.com>
 130
 131         * sim-main.h (SIM_HANDLES_LMA): Define SIM_HANDLES_LMA.
 132
 133 Wed Aug 12 12:36:07 1998  Jeffrey A Law  (law@cygnus.com)
 134
 135         * am33.igen: Handle case where first DSP operation modifies a
 136         register used in the second DSP operation correctly.
 137
 138 Tue Jul 28 10:10:25 1998  Jeffrey A Law  (law@cygnus.com)
 139
 140         * am33.igen: Detect cases where two operands must not match for
 141         DSP instructions too.
 142
 143 Mon Jul 27 12:04:17 1998  Jeffrey A Law  (law@cygnus.com)
 144
 145         * am33.igen: Detect cases where two operands must not match in
 146         non-DSP instructions.
 147
 148 Fri Jul 24 18:15:21 1998  Joyce Janczyn  <janczyn@cygnus.com>
 149
 150         * op_utils.c (do_syscall): Rewrite to use common/syscall.c.
 151         (syscall_read_mem, syscall_write_mem): New functions for syscall
 152         callbacks.
 153         * mn10300_sim.h: Add prototypes for syscall_read_mem and
 154         syscall_write_mem.
 155         * mn10300.igen: Change C++ style comments to C style comments.
 156         Check for divide by zero in div and divu ops.
 157
 158 Fri Jul 24 12:49:28 1998  Jeffrey A Law  (law@cygnus.com)
 159
 160         * am33.igen (translate_xreg): New function.  Use it as needed.
 161
 162 Thu Jul 23 10:05:28 1998  Jeffrey A Law  (law@cygnus.com)
 163
 164         * am33.igen: Add some missing instructions.
 165
 166         * am33.igen: Autoincrement loads/store fixes.
 167
 168 Tue Jul 21 09:48:14 1998  Jeffrey A Law  (law@cygnus.com)
 169
 170         * am33.igen: Add mov_lCC DSP instructions.
 171
 172         * am33.igen: Add most am33 DSP instructions.
 173
 174 Thu Jul  9 10:06:55 1998  Jeffrey A Law  (law@cygnus.com)
 175
 176         * mn10300.igen: Fix Z bit for addc and subc instructions.
 177         Minor fixes in multiply/divide patterns.
 178
 179         * am33.igen: Add missing mul[u] imm32,Rn.  Fix condition code
 180         handling for many instructions.  Fix sign extension for some
 181         24bit immediates.
 182
 183         * am33.igen: Fix Z bit for remaining addc/subc instructions.
 184         Do not sign extend immediate for mov imm,XRn.
 185         More random mul, mac & div fixes.
 186         Remove some unused variables.
 187         Sign extend 24bit displacement in memory addresses.
 188
 189         * am33.igen: Fix Z bit for addc Rm,Rn and subc Rm,Rn.  Various
 190         fixes to 2 register multiply, divide and mac instructions.  Set
 191         Z,N correctly for sat16.  Sign extend 24 bit immediate for add,
 192         and sub instructions.
 193
 194         * am33.igen: Add remaining non-DSP instructions.
 195
 196 Wed Jul  8 16:29:12 1998  Jeffrey A Law  (law@cygnus.com)
 197
 198         * am33.igen (translate_rreg): New function.  Use it as appropriate.
 199
 200         * am33.igen: More am33 instructions.  Fix "div".
 201
 202 Mon Jul  6 15:39:22 1998  Jeffrey A Law  (law@cygnus.com)
 203
 204         * mn10300.igen: Add am33 support.
 205
 206         * Makefile.in: Use multi-sim to support both a mn10300 and am33
 207         simulator.
 208
 209         * am33.igen: Add many more am33 instructions.
 210
 211 Wed Jul  1 17:07:09 1998  Jeffrey A Law  (law@cygnus.com)
 212
 213         * mn10300_sim.h (FETCH24): Define.
 214
 215         * mn10300_sim.h: Add defines for some registers found on the AM33.
 216         * am33.igen: New file with some am33 support.
 217
 218 Tue Jun 30 11:23:20 1998  Jeffrey A Law  (law@cygnus.com)
 219
 220         * mn10300_sim.h: Include bfd.h
 221         (struct state): Add more room for processor specific registers.
 222         (REG_E0): Define.
 223
 224 Thu Jun 25 10:12:03 1998  Joyce Janczyn  <janczyn@cygnus.com>
 225
 226         * dv-mn103tim.c: Include sim-assert.h
 227         * dv-mn103ser.c (do_polling_event): Check for incoming data on
 228         serial line and schedule next polling event.
 229         (read_status_reg): schedule events to check for incoming data on
 230         serial line and issue interrupt if necessary.
 231
 232 Fri Jun 19 16:47:27 1998  Joyce Janczyn  <janczyn@cygnus.com>
 233
 234         * interp.c (sim_open): hook up serial 1 and 2 ports properly (typo).
 235
 236 Fri Jun 19 11:59:26 1998  Joyce Janczyn  <janczyn@cygnus.com>
 237
 238         * interp.c (board): Rename am32 to stdeval1 as this is the name
 239         consistently used to refer to the mn1030002 board.
 240
 241 Thu June 18 14:37:14 1998  Joyce Janczyn  <janczyn@cygnus.com>
 242         * interp.c (sim_open): Fix typo in address of EXTMD register
 243         (0x34000280, not 0x3400280).
 244
 245 Wed Jun 17 18:00:18 1998  Jeffrey A Law  (law@cygnus.com)
 246
 247         * simops.c (syscall): Handle change in opcode # for syscall.
 248         * mn10300.igen (syscall): Likewise.
 249
 250 Tue June 16 09:36:21 1998  Joyce Janczyn  <janczyn@cygnus.com>
 251         * dv-mn103int.c (mn103int_finish): Regular interrupts (not NMI or
 252         reset) are not enabled on reset.
 253
 254 Sun June 14 17:04:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 255         * dv-mn103iop.c (write_*_reg): Check for attempt to write r/o
 256         register bits.
 257         * dv-mn103ser.c: Fill in methods for reading and writing to serial
 258         device registers.
 259         * interp.c (sim_open): Make the serial device a polling device.
 260
 261 Fri June 12 16:24:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 262         * dv-mn103iop.c: New file for handling am32 io ports.
 263         * configure.in: Add mn103iop to hw_device list.
 264         * configure: Re-generate.
 265         * interp.c (sim_open): Create io port device.
 266
 267 Wed June 10 14:34:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 268         * dv-mn103int.c (external_group): Use enumerated types to access
 269         correct group addresses.
 270         * dv-mn103tim.c (do_counter_event): Underflow of cascaded timer
 271         triggers an interrupt on the higher-numbered timer's port.
 272
 273 Mon June 8 13:30:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 274         * interp.c: (mn10300_option_handler): New function parses arguments
 275         using sim-options.
 276         * (board): Add --board option for specifying am32.
 277         * (sim_open): Create new timer and serial devices and control
 278         configuration of other am32 devices via board option.
 279         * dv-mn103tim.c, dv-mn103ser.c: New files for timers and serial devices.
 280         * dv-mn103cpu.c: Fix typos in opening comments.
 281         * dv-mn103int.c: Adjust interrupt controller settings for am32 instead of am30.
 282         * configure.in: Add mn103tim and mn103ser to hw_device list.
 283         * configure: Re-generate.
 284
 285 Mon May 25 20:50:35 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 286
 287         * dv-mn103int.c, dv-mn103cpu.c: Rename *_callback to *_method.
 288
 289         * dv-mn103cpu.c, dv-mn103int.c: Include hw-main.h and
 290         sim-main.h. Declare a struct hw_descriptor instead of struct
 291         hw_device_descriptor.
 292
 293 Mon May 25 17:33:33 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 294
 295         * dv-mn103cpu.c (struct mn103cpu): Change type of pending_handler
 296         to struct hw_event.
 297
 298 Fri May 22 12:17:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 299
 300         * configure.in (SIM_AC_OPTION_HARDWARE): Add argument "yes".
 301
 302 Wed May  6 13:29:06 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 303
 304         * interp.c (sim_open): Create a polling PAL device.
 305
 306 Fri May  1 16:39:15 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 307
 308         * dv-mn103int.c (mn103int_port_event):
 309         (mn103int_port_event):
 310         (mn103int_io_read_buffer):
 311         (mn103int_io_write_buffer):
 312
 313         * dv-mn103cpu.c (deliver_mn103cpu_interrupt): Drop CPU/CIA args.
 314         (mn103cpu_port_event): Ditto.
 315         (mn103cpu_io_read_buffer): Ditto.
 316         (mn103cpu_io_write_buffer): Ditto.
 317
 318 Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>
 319
 320         * configure: Regenerated to track ../common/aclocal.m4 changes.
 321
 322 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
 323
 324         * configure: Regenerated to track ../common/aclocal.m4 changes.
 325         * config.in: Ditto.
 326
 327 Sun Apr 26 15:19:55 1998  Tom Tromey  <tromey@cygnus.com>
 328
 329         * acconfig.h: New file.
 330         * configure.in: Reverted change of Apr 24; use sinclude again.
 331
 332 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
 333
 334         * configure: Regenerated to track ../common/aclocal.m4 changes.
 335         * config.in: Ditto.
 336
 337 Fri Apr 24 11:19:07 1998  Tom Tromey  <tromey@cygnus.com>
 338
 339         * configure.in: Don't call sinclude.
 340
 341 Tue Apr 14 10:03:02 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 342
 343         * mn10300_sim.h: Declare all functions in op_utils.c using
 344         INLINE_SIM_MAIN.
 345         * op_utils.c: Ditto.
 346         * sim-main.c: New file.  Include op_utils.c.
 347
 348         * mn10300.igen (mov, cmp): Use new igen operators `!' and `=' to
 349         differentiate between MOV/CMP immediate/register instructions.
 350
 351         * configure.in (SIM_AC_OPTION_INLINE): Add and enable.
 352         * configure: Regenerate.
 353
 354 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 355
 356         * configure: Regenerated to track ../common/aclocal.m4 changes.
 357
 358 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 359
 360         * interp.c (hw): Delete variable, moved to SIM_DESC.
 361         (sim_open): Delete calls to hw_tree_create, hw_tree_finish.
 362         Handled by sim-module.
 363         (sim_open): Do not anotate tree with trace properties, handled by
 364         sim-hw.c
 365         (sim_open): Call sim_hw_parse instead of hw_tree_parse.
 366
 367         * configure: Regenerated to track ../common/aclocal.m4 changes.
 368
 369 Thu Mar 26 20:46:18 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>
 370
 371         * dv-mn103cpu.c (deliver_mn103cpu_interrupt):  Save the entire PC
 372         on the stack when delivering interrupts (not just the lower
 373         half)...
 374         * mn10300.igen (mov (Di,Am),Dn):  Fix decode.  Registers were
 375         specified in the wrong order.
 376
 377 Fri Mar 27 00:56:40 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 378
 379         * dv-mn103cpu.c (deliver_mn103cpu_interrupt): Stop loss of
 380         succeeding interrupts, clear pending_handler when the handler
 381         isn't re-scheduled.
 382
 383 Thu Mar 26 10:11:01 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>
 384
 385         * Makefile.in (tmp-igen):  Prefix all usage of move-if-change
 386         script with $(SHELL) to make NT native builds happy.
 387         * configure:  Regenerate because of change to ../common/aclocal.m4.
 388
 389 Thu Mar 26 11:22:31 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 390
 391         * configure.in: Make --enable-sim-common the default.
 392         * configure: Re-generate.
 393
 394         * sim-main.h (CIA_GET, CIA_SET): Save/restore current instruction
 395         address into Sate.regs[REG_PC] instead of common struct.
 396
 397 Wed Mar 25 17:42:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 398
 399         * mn10300.igen (cmp imm8,An): Do not sign extend imm8 value.
 400
 401 Wed Mar 25 12:08:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 402
 403         * simops.c (OP_F0FD): Initialise variable 'sp'.
 404
 405 Thu Mar 26 00:21:32 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 406
 407         * dv-mn103int.c (decode_group): A group register every 4 bytes not
 408         8.
 409         (write_icr): Rewrite equation updating request field.
 410         (read_iagr): Fix check that interrupt is still pending.
 411
 412 Wed Mar 25 16:14:50 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 413
 414         * interp.c (sim_open): Tidy up device creation.
 415
 416         * dv-mn103int.c (mn103int_port_event): Drive NMI with non-zero
 417         value.
 418         (mn103int_io_read_buffer): Convert absolute address to register
 419         block offsets.
 420         (read_icr, write_icr): Convert block offset into group offset.
 421
 422 Wed Mar 25 15:08:49 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 423
 424         * interp.c (sim_open): Create second 1mb memory region at
 425         0x40000000.
 426         (sim_open): Create a device tree.
 427         (sim-hw.h): Include.
 428         (do_interrupt): Delete, needs to use dv-mn103cpu.c
 429
 430         * dv-mn103int.c, dv-mn103cpu.c: New files.
 431
 432 Wed Mar 25 08:47:38 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 433
 434         * mn10300_sim.h (EXTRACT_PSW_LM, INSERT_PSW_LM, PSW_IE, PSW_LM):
 435         Define.
 436         (SP): Define.
 437
 438 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 439
 440         * configure: Regenerated to track ../common/aclocal.m4 changes.
 441
 442 Wed Mar 25 10:24:48 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 443
 444         * interp.c (sim-options.h): Include.
 445         (sim_kind, myname): Declare when not using common framework.
 446
 447         * mn10300_sim.h (do_syscall, generic*): Provide prototypes for
 448         functions found in op_utils.c
 449
 450         * mn10300.igen (add): Discard unused variables.
 451
 452         * configure, config.in: Re-generate with autoconf 2.12.1.
 453
 454 Tue Mar 24 15:27:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 455
 456         Add support for --enable-sim-common option.
 457         * Makefile.in (WITHOUT_COMMON_OBJS): Files included if
 458         ! --enable-sim-common
 459         (WITH_COMMON_OBJS): Files included if --enable-sim-common.
 460         (MN10300_OBJS,MN10300_INTERP_DEP): New variables.
 461         (SIM_OBJS): Rewrite.
 462         ({WITHOUT,WITH}_COMMON_RUN_OBJS,SIM_RUN_OBJS): New variables.
 463         (SIM_EXTRA_CFLAGS): New variable.
 464         (clean-extra): Clean up igen files.
 465         (../igen/igen,clean-igen,tmp-igen): New rules.
 466         * configure.in: Add support for common framework via
 467         --enable-sim-common.
 468         * configure: Regenerate.
 469         * interp.c: #include sim-main if WITH_COMMON, not mn10300_sim.h.
 470         (hash,dispatch,sim_size): Don't compile if ! WITH_COMMON.
 471         (init_system,sim_write,compare_simops): Likewise.
 472         (sim_set_profile,sim_set_profile_size): Likewise.
 473         (sim_stop,sim_resume,sim_trace,sim_info): Likewise.
 474         (sim_set_callbacks,sim_stop_reason,sim_read,sim_load): Likewise.
 475         (enum interrupt_type): New enum.
 476         (interrupt_names): New global.
 477         (do_interrupt): New function.
 478         (sim_open): Define differently if WITH_COMMON.
 479         (sim_close,sim_create_inferior,sim_do_command): Likewise.
 480         * mn10300_sim.h ({load,store}_{byte,half,word}): Define versions
 481         for WITH_COMMON.
 482         * mn10300.igen: New file.
 483         * mn10300.dc: New file.
 484         * op_utils.c: New file.
 485         * sim-main.h: New file.
 486
 487 Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 488
 489         * configure: Regenerated to track ../common/aclocal.m4 changes.
 490
 491 Fri Feb 27 18:36:04 1998  Jeffrey A Law  (law@cygnus.com)
 492
 493         * simops.c (inc): Fix typo.
 494
 495 Wed Feb 25 01:59:29 1998  Jeffrey A Law  (law@cygnus.com)
 496
 497         * simops.c (signed multiply instructions): Cast input operands to
 498         signed32 before casting them to signed64 so that the sign bit
 499         is propagated properly.
 500
 501 Mon Feb 23 20:23:19 1998  Mark Alexander  <marka@cygnus.com>
 502
 503         * Makefile.in: Last change was bad.  Define NL_TARGET
 504         so that targ-vals.h will be used instead of syscall.h.
 505         * simops.c: Use targ-vals.h instead of syscall.h.
 506         (OP_F020): Disable unsupported system calls.
 507
 508 Mon Feb 23 09:44:38 1998  Mark Alexander  <marka@cygnus.com>
 509
 510         * Makefile.in: Get header files from libgloss/mn10300/sys.
 511
 512 Sun Feb 22 16:02:24 1998  Jeffrey A Law  (law@cygnus.com)
 513
 514         * simops.c: Include sim-types.h.
 515
 516 Wed Feb 18 13:07:08 1998  Jeffrey A Law  (law@cygnus.com)
 517
 518         * simops.c (multiply instructions): Cast input operands to a
 519         signed64/unsigned64 type as appropriate.
 520
 521 Tue Feb 17 12:47:16 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 522
 523         * interp.c (sim_store_register, sim_fetch_register): Pass in
 524         length parameter.  Return -1.
 525
 526 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 527
 528         * configure: Regenerated to track ../common/aclocal.m4 changes.
 529
 530 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 531
 532         * configure: Regenerated to track ../common/aclocal.m4 changes.
 533
 534 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 535
 536         * configure: Regenerated to track ../common/aclocal.m4 changes.
 537
 538 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 539
 540         * configure: Regenerated to track ../common/aclocal.m4 changes.
 541         * config.in: Ditto.
 542
 543 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 544
 545         * configure: Regenerated to track ../common/aclocal.m4 changes.
 546
 547 Tue Nov 11 10:38:52 1997  Jeffrey A Law  (law@cygnus.com)
 548
 549         * simops.c (call:16 call:32): Stack adjustment is determined solely
 550         by the imm8 field.
 551
 552 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 553
 554         * interp.c (sim_load): Pass lma_p and sim_write args to
 555         sim_load_file.
 556
 557 Tue Oct 21 10:12:03 1997  Jeffrey A Law  (law@cygnus.com)
 558
 559         * simops.c: Correctly handle register restores for "ret" and "retf"
 560         instructions.
 561
 562 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 563
 564         * configure: Regenerated to track ../common/aclocal.m4 changes.
 565
 566 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 567
 568         * configure: Regenerated to track ../common/aclocal.m4 changes.
 569
 570 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 571
 572         * configure: Regenerated to track ../common/aclocal.m4 changes.
 573
 574 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 575
 576         * configure: Regenerated to track ../common/aclocal.m4 changes.
 577
 578 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 579
 580         * configure: Regenerated to track ../common/aclocal.m4 changes.
 581
 582 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 583
 584         * configure: Regenerated to track ../common/aclocal.m4 changes.
 585
 586 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 587
 588         * configure: Regenerated to track ../common/aclocal.m4 changes.
 589
 590 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 591
 592         * configure: Regenerated to track ../common/aclocal.m4 changes.
 593         * config.in: Ditto.
 594
 595 Tue Aug 26 10:41:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 596
 597         * interp.c (sim_kill): Delete.
 598         (sim_create_inferior): Add ABFD argument.
 599         (sim_load): Move setting of PC from here.
 600         (sim_create_inferior): To here.
 601
 602 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 603
 604         * configure: Regenerated to track ../common/aclocal.m4 changes.
 605         * config.in: Ditto.
 606
 607 Mon Aug 25 16:14:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 608
 609         * interp.c (sim_open): Add ABFD argument.
 610
 611 Tue Jun 24 13:46:20 1997  Jeffrey A Law  (law@cygnus.com)
 612
 613         * interp.c (sim_resume): Clear State.exited.
 614         (sim_stop_reason): If State.exited is nonzero, then indicate that
 615         the simulator exited instead of stopped.
 616         * mn10300_sim.h (struct _state): Add exited field.
 617         * simops.c (syscall): Set State.exited for SYS_exit.
 618
 619 Wed Jun 11 22:07:56 1997  Jeffrey A Law  (law@cygnus.com)
 620
 621         * simops.c: Fix thinko in last change.
 622
 623 Tue Jun 10 12:31:32 1997  Jeffrey A Law  (law@cygnus.com)
 624
 625         * simops.c: "call" stores the callee saved registers into the
 626         stack!  Update the stack pointer properly when done with
 627         register saves.
 628
 629         * simops.c: Fix return address computation for "call" instructions.
 630
 631 Thu May 22 01:43:11 1997  Jeffrey A Law  (law@cygnus.com)
 632
 633         * interp.c (sim_open): Fix typo.
 634
 635 Wed May 21 23:27:58 1997  Jeffrey A Law  (law@cygnus.com)
 636
 637         * interp.c (sim_resume): Add missing case in big switch
 638         statement (for extb instruction).
 639
 640 Tue May 20 17:51:30 1997  Jeffrey A Law  (law@cygnus.com)
 641
 642         * interp.c: Replace all references to load_mem and store_mem
 643         with references to load_byte, load_half, load_3_byte, load_word
 644         and store_byte, store_half, store_3_byte, store_word.
 645         (INLINE): Delete definition.
 646         (load_mem_big): Likewise.
 647         (max_mem): Make it global.
 648         (dispatch): Make this function inline.
 649         (load_mem, store_mem): Delete functions.
 650         * mn10300_sim.h (INLINE): Define.
 651         (RLW): Delete unused definition.
 652         (load_mem, store_mem): Delete declarations.
 653         (load_mem_big): New definition.
 654         (load_byte, load_half, load_3_byte, load_word): New functions.
 655         (store_byte, store_half, store_3_byte, store_word): New functions.
 656         * simops.c:  Replace all references to load_mem and store_mem
 657         with references to load_byte, load_half, load_3_byte, load_word
 658         and store_byte, store_half, store_3_byte, store_word.
 659
 660 Tue May 20 10:21:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 661
 662         * interp.c (sim_open): Add callback to arguments.
 663         (sim_set_callbacks): Delete SIM_DESC argument.
 664
 665 Mon May 19 13:54:22 1997  Jeffrey A Law  (law@cygnus.com)
 666
 667         * interp.c (dispatch): Make this an inline function.
 668
 669         * simops.c (syscall): Use callback->write regardless of
 670         what file descriptor we're writing too.
 671
 672 Sun May 18 16:46:31 1997  Jeffrey A Law  (law@cygnus.com)
 673
 674         * interp.c (load_mem_big): Remove function.  It's now a macro
 675         defined elsewhere.
 676         (compare_simops): New function.
 677         (sim_open): Sort the Simops table before inserting entries
 678         into the hash table.
 679         * mn10300_sim.h: Remove unused #defines.
 680         (load_mem_big): Define.
 681
 682 Fri May 16 16:36:17 1997  Jeffrey A Law  (law@cygnus.com)
 683
 684         * interp.c (load_mem): If we get a load from an out of range
 685         address, abort.
 686         (store_mem): Likewise for stores.
 687         (max_mem): New variable.
 688
 689 Tue May  6 13:24:36 1997  Jeffrey A Law  (law@cygnus.com)
 690
 691         * mn10300_sim.h: Fix ordering of bits in the PSW.
 692
 693         * interp.c: Improve hashing routine to avoid long list
 694         traversals for common instructions.  Add HASH_STAT support.
 695         Rewrite opcode dispatch code using a big switch instead of
 696         cascaded if/else statements.  Avoid useless calls to load_mem.
 697
 698 Mon May  5 18:07:48 1997  Jeffrey A Law  (law@cygnus.com)
 699
 700         * mn10300_sim.h (struct _state): Add space for mdrq register.
 701         (REG_MDRQ): Define.
 702         * simops.c: Don't abort for trap.  Add support for the extended
 703         instructions, "getx", "putx", "mulq", "mulqu", "sat16", "sat24",
 704         and "bsch".
 705
 706 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 707
 708         * configure: Regenerated to track ../common/aclocal.m4 changes.
 709
 710 Fri Apr 18 14:04:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 711
 712         * interp.c (sim_stop): Add stub function.
 713
 714 Thu Apr 17 03:26:59 1997  Doug Evans  <dje@canuck.cygnus.com>
 715
 716         * Makefile.in (SIM_OBJS): Add sim-load.o.
 717         * interp.c (sim_kind, myname): New static locals.
 718         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 719         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
 720         load file into simulator.  Set start address from bfd.
 721         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 722
 723 Wed Apr 16 19:30:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 724
 725         * simops.c (OP_F020): SYS_execv, SYS_time, SYS_times, SYS_utime
 726         only include if implemented by host.
 727         (OP_F020): Typecast arg passed to time function;
 728
 729 Mon Apr  7 23:57:49 1997  Jeffrey A Law  (law@cygnus.com)
 730
 731         * simops.c (syscall): Handle new mn10300 calling conventions.
 732
 733 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 734
 735         * configure: Regenerated to track ../common/aclocal.m4 changes.
 736         * config.in: Ditto.
 737
 738 Fri Apr  4 20:02:37 1997  Ian Lance Taylor  <ian@cygnus.com>
 739
 740         * Makefile.in: Change mn10300-opc.o to m10300-opc.o, to match
 741         corresponding change in opcodes directory.
 742
 743 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 744
 745         * interp.c (sim_open): New arg `kind'.
 746
 747         * configure: Regenerated to track ../common/aclocal.m4 changes.
 748
 749 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 750
 751         * configure: Regenerated to track ../common/aclocal.m4 changes.
 752
 753 Thu Mar 20 11:58:02 1997  Jeffrey A Law  (law@cygnus.com)
 754
 755         * simops.c: Fix register extraction for a two "movbu" variants.
 756         Somewhat simplify "sub" instructions.
 757         Correctly sign extend operands for "mul".  Put the correct
 758         half of the result in MDR for "mul" and "mulu".
 759         Implement remaining instructions.
 760         Tweak opcode for "syscall".
 761
 762 Tue Mar 18 14:21:21 1997  Jeffrey A Law  (law@cygnus.com)
 763
 764         * simops.c: Do syscall emulation in "syscall" instruction.  Add
 765         dummy "trap" instruction.
 766
 767 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 768
 769         * configure: Regenerated to track ../common/aclocal.m4 changes.
 770
 771 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 772
 773         * configure: Re-generate.
 774
 775 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 776
 777         * configure: Regenerate to track ../common/aclocal.m4 changes.
 778
 779 Thu Mar 13 12:54:45 1997  Doug Evans  <dje@canuck.cygnus.com>
 780
 781         * interp.c (sim_open): New SIM_DESC result.  Argument is now
 782         in argv form.
 783         (other sim_*): New SIM_DESC argument.
 784
 785 Wed Mar 12 15:04:00 1997  Jeffrey A Law  (law@cygnus.com)
 786
 787         * simops.c: Fix carry bit computation for "add" instructions.
 788
 789         * simops.c: Fix typos in bset insns.  Fix arguments to store_mem
 790         for bset imm8,(d8,an) and bclr imm8,(d8,an).
 791
 792 Wed Mar  5 15:00:10 1997  Jeffrey A Law  (law@cygnus.com)
 793
 794         * simops.c: Fix register references when computing Z and N bits
 795         for lsr imm8,dn.
 796
 797 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 798
 799         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 800         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 801         * configure.in: sinclude ../common/aclocal.m4.
 802         * configure: Regenerated.
 803
 804 Fri Jan 24 10:47:25 1997  Jeffrey A Law  (law@cygnus.com)
 805
 806         * interp.c (init_system): Allocate 2^19 bytes of space for the
 807         simulator.
 808
 809 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 810
 811         * configure configure.in Makefile.in:  Update to new configure
 812         scheme which is more compatible with WinGDB builds.
 813         * configure.in:  Improve comment on how to run autoconf.
 814         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 815         * Makefile.in:  Use autoconf substitution to install common
 816         makefile fragment.
 817
 818 Tue Jan 21 15:03:04 1997  Jeffrey A Law  (law@cygnus.com)
 819
 820         * simops.c: Undo last change to "rol" and "ror", original code
 821         was correct!
 822
 823 Thu Jan 16 11:28:14 1997  Jeffrey A Law  (law@cygnus.com)
 824
 825         * simops.c: Fix "rol" and "ror".
 826
 827 Wed Jan 15 06:45:58 1997  Jeffrey A Law  (law@cygnus.com)
 828
 829         * simops.c: Fix typo in last change.
 830
 831 Mon Jan 13 13:22:35 1997  Jeffrey A Law  (law@cygnus.com)
 832
 833         * simops.c: Use REG macros in few places not using them yet.
 834
 835 Mon Jan  6 16:21:19 1997  Jeffrey A Law  (law@cygnus.com)
 836
 837         * mn10300_sim.h (struct _state): Fix number of registers!
 838
 839 Tue Dec 31 16:20:41 1996  Jeffrey A Law  (law@cygnus.com)
 840
 841         * mn10300_sim.h (struct _state): Put all registers into a single
 842         array to make gdb implementation easier.
 843         (REG_*): Add definitions for all registers in the state array.
 844         (SEXT32, SEXT40, SEXT44, SEXT60): Remove unused macros.
 845         * simops.c: Related changes.
 846
 847 Wed Dec 18 10:10:45 1996  Jeffrey A Law  (law@cygnus.com)
 848
 849         * interp.c (sim_resume): Handle 0xff as a single byte insn.
 850
 851         * simops.c: Fix overflow computation for "add" and "inc"
 852         instructions.
 853
 854 Mon Dec 16 10:03:52 1996  Jeffrey A Law  (law@cygnus.com)
 855
 856         * simops.c: Handle "break" instruction.
 857
 858         * simops.c: Fix restoring the PC for "ret" and "retf" instructions.
 859
 860 Wed Dec 11 09:53:10 1996  Jeffrey A Law  (law@cygnus.com)
 861
 862         * gencode.c (write_opcodes): Also write out the format of the
 863         opcode.
 864         * mn10300_sim.h (simops): Add "format" field.
 865         * interp.c (sim_resume): Deal with endianness issues here.
 866
 867 Tue Dec 10 15:05:37 1996  Jeffrey A Law  (law@cygnus.com)
 868
 869         * simops.c (REG0_4): Define.
 870         Use REG0_4 for indexed loads/stores.
 871
 872 Sat Dec  7 09:50:28 1996  Jeffrey A Law  (law@cygnus.com)
 873
 874         * simops.c (REG0_16): Fix typo.
 875
 876 Fri Dec  6 14:13:34 1996  Jeffrey A Law  (law@cygnus.com)
 877
 878         * simops.c: Call abort for any instruction that's not currently
 879         simulated.
 880
 881         * simops.c: Define accessor macros to extract register
 882         values from instructions.  Use them consistently.
 883
 884         * interp.c: Delete unused global variable "OP".
 885         (sim_resume): Remove unused variable "opcode".
 886         * simops.c: Fix some uninitialized variable problems, add
 887         parens to fix various -Wall warnings.
 888
 889         * gencode.c (write_header): Add "insn" and "extension" arguments
 890         to the OP_* declarations.
 891         (write_template): Similarly for function templates.
 892         * interp.c (insn, extension): Remove global variables.  Instead
 893         pass them as arguments to the OP_* functions.
 894         * mn10300_sim.h: Remove decls for "insn" and "extension".
 895         * simops.c (OP_*): Accept "insn" and "extension" as arguments
 896         instead of using globals.
 897
 898 Thu Dec  5 22:26:31 1996  Jeffrey A Law  (law@cygnus.com)
 899
 900         * simops.c: Fix typos in "mov am,(d16,an)" and "mov am,(d32,an)"
 901
 902         * simops.c: Fix thinkos in last change to "inc dn".
 903
 904 Wed Dec  4 10:57:53 1996  Jeffrey A Law  (law@cygnus.com)
 905
 906         * simops.c: "add imm,sp" does not effect the condition codes.
 907         "inc dn" does effect the condition codes.
 908
 909 Tue Dec  3 17:37:45 1996  Jeffrey A Law  (law@cygnus.com)
 910
 911         * simops.c: Treat both operands as signed values for
 912         "div" instruction.
 913
 914         * simops.c: Fix simulation of division instructions.
 915         Fix typos/thinkos in several "cmp" and "sub" instructions.
 916
 917 Mon Dec  2 12:31:40 1996  Jeffrey A Law  (law@cygnus.com)
 918
 919         * simops.c: Fix carry bit handling in "sub" and "cmp"
 920         instructions.
 921
 922         * simops.c: Fix "mov imm8,an" and "mov imm16,dn".
 923
 924 Sun Dec  1 16:05:42 1996  Jeffrey A Law  (law@cygnus.com)
 925
 926         * simops.c: Fix overflow computation for many instructions.
 927
 928         * simops.c: Fix "mov dm, an", "movbu dm, (an)", and "movhu dm, (an)".
 929
 930         * simops.c: Fix "mov am, dn".
 931
 932         * simops.c: Fix more bugs in "add imm,an" and
 933         "add imm,dn".
 934
 935 Wed Nov 27 09:20:42 1996  Jeffrey A Law  (law@cygnus.com)
 936
 937         * simops.c: Fix bugs in "movm" and "add imm,an".
 938
 939         * simops.c: Don't lose the upper 24 bits of the return
 940         pointer in "call" and "calls" instructions.  Rough cut
 941         at emulated system calls.
 942
 943         * simops.c: Implement the remaining 5, 6 and 7 byte instructions.
 944
 945         * simops.c: Implement remaining 4 byte instructions.
 946
 947         * simops.c: Implement remaining 3 byte instructions.
 948
 949         * simops.c: Implement remaining 2 byte instructions.  Call
 950         abort for instructions we're not implementing now.
 951
 952 Tue Nov 26 15:43:41 1996  Jeffrey A Law  (law@cygnus.com)
 953
 954         * simops.c: Implement lots of random instructions.
 955
 956         * simops.c: Implement "movm" and "bCC" insns.
 957
 958         * mn10300_sim.h (_state): Add another register (MDR).
 959         (REG_MDR): Define.
 960         * simops.c: Implement "cmp", "calls", "rets", "jmp" and
 961         a few additional random insns.
 962
 963         * mn10300_sim.h (PSW_*): Define for CC status tracking.
 964         (REG_D0, REG_A0, REG_SP): Define.
 965         * simops.c: Implement "add", "addc" and a few other random
 966         instructions.
 967
 968         * gencode.c, interp.c: Snapshot current simulator code.
 969
 970 Mon Nov 25 12:46:38 1996  Jeffrey A Law  (law@cygnus.com)
 971
 972         * Makefile.in, config.in, configure, configure.in: New files.
 973         * gencode.c, interp.c, mn10300_sim.h, simops.c: New files.
 974