sim/mn10300/ChangeLog

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