sim/mn10300/ChangeLog

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