sim/mn10300/ChangeLog

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