sim/mn10300/ChangeLog

   1 2001-05-06  Jim Blandy  <jimb@redhat.com>
   2
   3         * mn10300.igen: Doc fixes.
   4
   5 2001-04-26  Alexandre Oliva  <aoliva@redhat.com>
   6
   7         * Makefile.in (idecode.o, op_utils.o, semantics.o, simops.o):
   8         Depend on targ-vals.h.
   9
  10 2001-04-15  J.T. Conklin  <jtc@redback.com>
  11
  12         * Makefile.in (simops.o): Add simops.h to dependency list.
  13
  14 Wed Aug  9 02:24:53 2000  Graham Stott  <grahams@cygnus.co.uk>
  15
  16         * am33.igen: Warning clean-up.
  17         (movm): Initialize PC and mask.
  18         (mov, movbu, movhu): Set srcreg2 from RI0.
  19         (bsch): Initialize c.
  20         (sat16_cmp): Actually do the comparison.
  21         (mov_llt): Do not overwrite dstreg with uninitialized variable.
  22
  23 Tue May 23 21:39:23 2000  Andrew Cagney  <cagney@b1.cygnus.com>
  24
  25         * configure: Regenerated to track ../common/aclocal.m4 changes.
  26
  27 2000-05-22  Alexandre Oliva  <aoliva@cygnus.com>
  28
  29         * am33.igen: Fix leading comments of SP-relative offset insns that
  30         referred to other registers.  Make their offsets unsigned.
  31
  32 2000-05-18  Alexandre Oliva  <aoliva@cygnus.com>
  33
  34         * mn10300_sim.h (genericAdd, genericSub, genericCmp, genericOr,
  35         genericXor, genericBtst): Use `unsigned32'.
  36         * op_utils.c: Likewise.
  37         * mn10300.igen, am33.igen: Use `unsigned32', `signed32',
  38         `unsigned64' or `signed64' where type width is relevant.
  39
  40 2000-04-25  Alexandre Oliva  <aoliva@cygnus.com>
  41
  42         * am33.igen (inc4 Rn): Use genericAdd so as to modify flags.
  43
  44 2000-04-09  Alexandre Oliva  <aoliva@cygnus.com>
  45
  46         * am33.igen: Make SP-relative offsets unsigned.  Add `*am33' for
  47         some instructions that were missing it.
  48
  49 2000-03-03  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
  50
  51         * Makefile.in (IGEN_INSN): Added am33.igen.
  52
  53 Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>
  54
  55         * configure: Regenerated to track ../common/aclocal.m4 changes.
  56
  57 Tue Jul 13 13:26:20 1999  Andrew Cagney  <cagney@b1.cygnus.com>
  58
  59         * interp.c: Clarify error message reporting an unknown board.
  60
  61 1999-05-08  Felix Lee  <flee@cygnus.com>
  62
  63         * configure: Regenerated to track ../common/aclocal.m4 changes.
  64
  65 1999-04-16  Frank Ch. Eigler  <fche@cygnus.com>
  66
  67         * interp.c (program_interrupt): Detect undesired recursion using
  68         static flag.  Set NMIRC register's SYSEF flag during
  69         --board=stdeval1 mode.
  70         * dv-mn103-int.c (write_icr): Add backdoor address to allow CPU to
  71         set SYSEF flag.
  72
  73 1999-04-02  Keith Seitz  <keiths@cygnus.com>
  74
  75         * Makefile.in (SIM_EXTRA_CFLAGS): Define a POLL_QUIT_INTERVAL
  76         for use in the simulator so that the poll_quit callback is
  77         not called too often.
  78
  79 Tue Mar  9 21:26:41 1999  Andrew Cagney  <cagney@b1.cygnus.com>
  80
  81         * dv-mn103int.c (mn103int_ioctl): Return something.
  82         * dv-mn103tim.c (write_tm6md): GCC suggested parentheses around &&
  83         within ||.
  84
  85 Tue Feb 16 23:57:17 1999  Jeffrey A Law  (law@cygnus.com)
  86
  87         * mn10300.igen (retf): Fix return address computation and store
  88         the new pc value into nia.
  89
  90 1998-12-29  Frank Ch. Eigler  <fche@cygnus.com>
  91
  92         * Makefile.in (WITH_COMMON_OBJS): Build also dv-sockser.o.
  93         * interp.c (sim_open): Add stub mn103002 cache control memory regions.
  94         Set OPERATING_ENVIRONMENT on "stdeval1" board.
  95         (mn10300_core_signal): New function to intercept memory errors.
  96         (program_interrupt): New function to dispatch to exception vector
  97         (mn10300_exception_*): New functions to snapshot pre/post exception
  98         state.
  99         * sim-main.h (SIM_CORE_SIGNAL): Define hook - call mn10300_core_signal.
 100         (SIM_ENGINE_HALT_HOOK): Do nothing.
 101         (SIM_CPU_EXCEPTION*): Define hooks to call mn10300_cpu_exception*().
 102         (_sim_cpu): Add exc_* fields to store register value snapshots.
 103         * dv-mn103ser.c (*): Support dv-sockser backend for UART I/O.
 104         Various endianness and warning fixes.
 105         * mn10300.igen (illegal): Call program_interrupt on error.
 106         (break): Call program_interrupt on breakpoint
 107
 108         Several changes from <janczyn@cygnus.com> and <cagney@cygnus.com>
 109         merged in:
 110         * dv-mn103int.c (mn103int_ioctl): New function for NMI
 111         generation. (mn103int_finish): Install it as ioctl handler.
 112         * dv-mn103tim.c: Support timer 6 specially.  Endianness fixes.
 113
 114 Wed Oct 14 12:11:05 1998  Jeffrey A Law  (law@cygnus.com)
 115
 116         * am33.igen: Allow autoincrement stores using the same register
 117         for source and destination operands.
 118
 119 Mon Aug 31 10:19:55 1998  Jeffrey A Law  (law@cygnus.com)
 120
 121         * am33.igen: Reverse HI/LO outputs of 4 operand "mul" and "mulu".
 122
 123 Fri Aug 28 14:40:49 1998  Joyce Janczyn  <janczyn@cygnus.com>
 124
 125         * interp.c (sim_open): Check for invalid --board option, fix
 126         indentation, allocate memory for mem control and DMA regs.
 127
 128 Wed Aug 26 09:29:38 1998  Joyce Janczyn  <janczyn@cygnus.com>
 129
 130         * mn10300.igen (div,divu): Fix divide instructions so divide by 0
 131         behaves like the hardware.
 132
 133 Mon Aug 24 11:50:09 1998  Joyce Janczyn  <janczyn@cygnus.com>
 134
 135         * sim-main.h (SIM_HANDLES_LMA): Define SIM_HANDLES_LMA.
 136
 137 Wed Aug 12 12:36:07 1998  Jeffrey A Law  (law@cygnus.com)
 138
 139         * am33.igen: Handle case where first DSP operation modifies a
 140         register used in the second DSP operation correctly.
 141
 142 Tue Jul 28 10:10:25 1998  Jeffrey A Law  (law@cygnus.com)
 143
 144         * am33.igen: Detect cases where two operands must not match for
 145         DSP instructions too.
 146
 147 Mon Jul 27 12:04:17 1998  Jeffrey A Law  (law@cygnus.com)
 148
 149         * am33.igen: Detect cases where two operands must not match in
 150         non-DSP instructions.
 151
 152 Fri Jul 24 18:15:21 1998  Joyce Janczyn  <janczyn@cygnus.com>
 153
 154         * op_utils.c (do_syscall): Rewrite to use common/syscall.c.
 155         (syscall_read_mem, syscall_write_mem): New functions for syscall
 156         callbacks.
 157         * mn10300_sim.h: Add prototypes for syscall_read_mem and
 158         syscall_write_mem.
 159         * mn10300.igen: Change C++ style comments to C style comments.
 160         Check for divide by zero in div and divu ops.
 161
 162 Fri Jul 24 12:49:28 1998  Jeffrey A Law  (law@cygnus.com)
 163
 164         * am33.igen (translate_xreg): New function.  Use it as needed.
 165
 166 Thu Jul 23 10:05:28 1998  Jeffrey A Law  (law@cygnus.com)
 167
 168         * am33.igen: Add some missing instructions.
 169
 170         * am33.igen: Autoincrement loads/store fixes.
 171
 172 Tue Jul 21 09:48:14 1998  Jeffrey A Law  (law@cygnus.com)
 173
 174         * am33.igen: Add mov_lCC DSP instructions.
 175
 176         * am33.igen: Add most am33 DSP instructions.
 177
 178 Thu Jul  9 10:06:55 1998  Jeffrey A Law  (law@cygnus.com)
 179
 180         * mn10300.igen: Fix Z bit for addc and subc instructions.
 181         Minor fixes in multiply/divide patterns.
 182
 183         * am33.igen: Add missing mul[u] imm32,Rn.  Fix condition code
 184         handling for many instructions.  Fix sign extension for some
 185         24bit immediates.
 186
 187         * am33.igen: Fix Z bit for remaining addc/subc instructions.
 188         Do not sign extend immediate for mov imm,XRn.
 189         More random mul, mac & div fixes.
 190         Remove some unused variables.
 191         Sign extend 24bit displacement in memory addresses.
 192
 193         * am33.igen: Fix Z bit for addc Rm,Rn and subc Rm,Rn.  Various
 194         fixes to 2 register multiply, divide and mac instructions.  Set
 195         Z,N correctly for sat16.  Sign extend 24 bit immediate for add,
 196         and sub instructions.
 197
 198         * am33.igen: Add remaining non-DSP instructions.
 199
 200 Wed Jul  8 16:29:12 1998  Jeffrey A Law  (law@cygnus.com)
 201
 202         * am33.igen (translate_rreg): New function.  Use it as appropriate.
 203
 204         * am33.igen: More am33 instructions.  Fix "div".
 205
 206 Mon Jul  6 15:39:22 1998  Jeffrey A Law  (law@cygnus.com)
 207
 208         * mn10300.igen: Add am33 support.
 209
 210         * Makefile.in: Use multi-sim to support both a mn10300 and am33
 211         simulator.
 212
 213         * am33.igen: Add many more am33 instructions.
 214
 215 Wed Jul  1 17:07:09 1998  Jeffrey A Law  (law@cygnus.com)
 216
 217         * mn10300_sim.h (FETCH24): Define.
 218
 219         * mn10300_sim.h: Add defines for some registers found on the AM33.
 220         * am33.igen: New file with some am33 support.
 221
 222 Tue Jun 30 11:23:20 1998  Jeffrey A Law  (law@cygnus.com)
 223
 224         * mn10300_sim.h: Include bfd.h
 225         (struct state): Add more room for processor specific registers.
 226         (REG_E0): Define.
 227
 228 Thu Jun 25 10:12:03 1998  Joyce Janczyn  <janczyn@cygnus.com>
 229
 230         * dv-mn103tim.c: Include sim-assert.h
 231         * dv-mn103ser.c (do_polling_event): Check for incoming data on
 232         serial line and schedule next polling event.
 233         (read_status_reg): schedule events to check for incoming data on
 234         serial line and issue interrupt if necessary.
 235
 236 Fri Jun 19 16:47:27 1998  Joyce Janczyn  <janczyn@cygnus.com>
 237
 238         * interp.c (sim_open): hook up serial 1 and 2 ports properly (typo).
 239
 240 Fri Jun 19 11:59:26 1998  Joyce Janczyn  <janczyn@cygnus.com>
 241
 242         * interp.c (board): Rename am32 to stdeval1 as this is the name
 243         consistently used to refer to the mn1030002 board.
 244
 245 Thu June 18 14:37:14 1998  Joyce Janczyn  <janczyn@cygnus.com>
 246         * interp.c (sim_open): Fix typo in address of EXTMD register
 247         (0x34000280, not 0x3400280).
 248
 249 Wed Jun 17 18:00:18 1998  Jeffrey A Law  (law@cygnus.com)
 250
 251         * simops.c (syscall): Handle change in opcode # for syscall.
 252         * mn10300.igen (syscall): Likewise.
 253
 254 Tue June 16 09:36:21 1998  Joyce Janczyn  <janczyn@cygnus.com>
 255         * dv-mn103int.c (mn103int_finish): Regular interrupts (not NMI or
 256         reset) are not enabled on reset.
 257
 258 Sun June 14 17:04:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 259         * dv-mn103iop.c (write_*_reg): Check for attempt to write r/o
 260         register bits.
 261         * dv-mn103ser.c: Fill in methods for reading and writing to serial
 262         device registers.
 263         * interp.c (sim_open): Make the serial device a polling device.
 264
 265 Fri June 12 16:24:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 266         * dv-mn103iop.c: New file for handling am32 io ports.
 267         * configure.in: Add mn103iop to hw_device list.
 268         * configure: Re-generate.
 269         * interp.c (sim_open): Create io port device.
 270
 271 Wed June 10 14:34:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 272         * dv-mn103int.c (external_group): Use enumerated types to access
 273         correct group addresses.
 274         * dv-mn103tim.c (do_counter_event): Underflow of cascaded timer
 275         triggers an interrupt on the higher-numbered timer's port.
 276
 277 Mon June 8 13:30:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 278         * interp.c: (mn10300_option_handler): New function parses arguments
 279         using sim-options.
 280         * (board): Add --board option for specifying am32.
 281         * (sim_open): Create new timer and serial devices and control
 282         configuration of other am32 devices via board option.
 283         * dv-mn103tim.c, dv-mn103ser.c: New files for timers and serial devices.
 284         * dv-mn103cpu.c: Fix typos in opening comments.
 285         * dv-mn103int.c: Adjust interrupt controller settings for am32 instead of am30.
 286         * configure.in: Add mn103tim and mn103ser to hw_device list.
 287         * configure: Re-generate.
 288
 289 Mon May 25 20:50:35 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 290
 291         * dv-mn103int.c, dv-mn103cpu.c: Rename *_callback to *_method.
 292
 293         * dv-mn103cpu.c, dv-mn103int.c: Include hw-main.h and
 294         sim-main.h. Declare a struct hw_descriptor instead of struct
 295         hw_device_descriptor.
 296
 297 Mon May 25 17:33:33 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 298
 299         * dv-mn103cpu.c (struct mn103cpu): Change type of pending_handler
 300         to struct hw_event.
 301
 302 Fri May 22 12:17:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 303
 304         * configure.in (SIM_AC_OPTION_HARDWARE): Add argument "yes".
 305
 306 Wed May  6 13:29:06 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 307
 308         * interp.c (sim_open): Create a polling PAL device.
 309
 310 Fri May  1 16:39:15 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 311
 312         * dv-mn103int.c (mn103int_port_event):
 313         (mn103int_port_event):
 314         (mn103int_io_read_buffer):
 315         (mn103int_io_write_buffer):
 316
 317         * dv-mn103cpu.c (deliver_mn103cpu_interrupt): Drop CPU/CIA args.
 318         (mn103cpu_port_event): Ditto.
 319         (mn103cpu_io_read_buffer): Ditto.
 320         (mn103cpu_io_write_buffer): Ditto.
 321
 322 Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>
 323
 324         * configure: Regenerated to track ../common/aclocal.m4 changes.
 325
 326 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
 327
 328         * configure: Regenerated to track ../common/aclocal.m4 changes.
 329         * config.in: Ditto.
 330
 331 Sun Apr 26 15:19:55 1998  Tom Tromey  <tromey@cygnus.com>
 332
 333         * acconfig.h: New file.
 334         * configure.in: Reverted change of Apr 24; use sinclude again.
 335
 336 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
 337
 338         * configure: Regenerated to track ../common/aclocal.m4 changes.
 339         * config.in: Ditto.
 340
 341 Fri Apr 24 11:19:07 1998  Tom Tromey  <tromey@cygnus.com>
 342
 343         * configure.in: Don't call sinclude.
 344
 345 Tue Apr 14 10:03:02 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 346
 347         * mn10300_sim.h: Declare all functions in op_utils.c using
 348         INLINE_SIM_MAIN.
 349         * op_utils.c: Ditto.
 350         * sim-main.c: New file.  Include op_utils.c.
 351
 352         * mn10300.igen (mov, cmp): Use new igen operators `!' and `=' to
 353         differentiate between MOV/CMP immediate/register instructions.
 354
 355         * configure.in (SIM_AC_OPTION_INLINE): Add and enable.
 356         * configure: Regenerate.
 357
 358 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 359
 360         * configure: Regenerated to track ../common/aclocal.m4 changes.
 361
 362 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 363
 364         * interp.c (hw): Delete variable, moved to SIM_DESC.
 365         (sim_open): Delete calls to hw_tree_create, hw_tree_finish.
 366         Handled by sim-module.
 367         (sim_open): Do not anotate tree with trace properties, handled by
 368         sim-hw.c
 369         (sim_open): Call sim_hw_parse instead of hw_tree_parse.
 370
 371         * configure: Regenerated to track ../common/aclocal.m4 changes.
 372
 373 Thu Mar 26 20:46:18 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>
 374
 375         * dv-mn103cpu.c (deliver_mn103cpu_interrupt):  Save the entire PC
 376         on the stack when delivering interrupts (not just the lower
 377         half)...
 378         * mn10300.igen (mov (Di,Am),Dn):  Fix decode.  Registers were
 379         specified in the wrong order.
 380
 381 Fri Mar 27 00:56:40 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 382
 383         * dv-mn103cpu.c (deliver_mn103cpu_interrupt): Stop loss of
 384         succeeding interrupts, clear pending_handler when the handler
 385         isn't re-scheduled.
 386
 387 Thu Mar 26 10:11:01 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>
 388
 389         * Makefile.in (tmp-igen):  Prefix all usage of move-if-change
 390         script with $(SHELL) to make NT native builds happy.
 391         * configure:  Regenerate because of change to ../common/aclocal.m4.
 392
 393 Thu Mar 26 11:22:31 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 394
 395         * configure.in: Make --enable-sim-common the default.
 396         * configure: Re-generate.
 397
 398         * sim-main.h (CIA_GET, CIA_SET): Save/restore current instruction
 399         address into Sate.regs[REG_PC] instead of common struct.
 400
 401 Wed Mar 25 17:42:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 402
 403         * mn10300.igen (cmp imm8,An): Do not sign extend imm8 value.
 404
 405 Wed Mar 25 12:08:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 406
 407         * simops.c (OP_F0FD): Initialise variable 'sp'.
 408
 409 Thu Mar 26 00:21:32 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 410
 411         * dv-mn103int.c (decode_group): A group register every 4 bytes not
 412         8.
 413         (write_icr): Rewrite equation updating request field.
 414         (read_iagr): Fix check that interrupt is still pending.
 415
 416 Wed Mar 25 16:14:50 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 417
 418         * interp.c (sim_open): Tidy up device creation.
 419
 420         * dv-mn103int.c (mn103int_port_event): Drive NMI with non-zero
 421         value.
 422         (mn103int_io_read_buffer): Convert absolute address to register
 423         block offsets.
 424         (read_icr, write_icr): Convert block offset into group offset.
 425
 426 Wed Mar 25 15:08:49 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 427
 428         * interp.c (sim_open): Create second 1mb memory region at
 429         0x40000000.
 430         (sim_open): Create a device tree.
 431         (sim-hw.h): Include.
 432         (do_interrupt): Delete, needs to use dv-mn103cpu.c
 433
 434         * dv-mn103int.c, dv-mn103cpu.c: New files.
 435
 436 Wed Mar 25 08:47:38 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 437
 438         * mn10300_sim.h (EXTRACT_PSW_LM, INSERT_PSW_LM, PSW_IE, PSW_LM):
 439         Define.
 440         (SP): Define.
 441
 442 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 443
 444         * configure: Regenerated to track ../common/aclocal.m4 changes.
 445
 446 Wed Mar 25 10:24:48 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 447
 448         * interp.c (sim-options.h): Include.
 449         (sim_kind, myname): Declare when not using common framework.
 450
 451         * mn10300_sim.h (do_syscall, generic*): Provide prototypes for
 452         functions found in op_utils.c
 453
 454         * mn10300.igen (add): Discard unused variables.
 455
 456         * configure, config.in: Re-generate with autoconf 2.12.1.
 457
 458 Tue Mar 24 15:27:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
 459
 460         Add support for --enable-sim-common option.
 461         * Makefile.in (WITHOUT_COMMON_OBJS): Files included if
 462         ! --enable-sim-common
 463         (WITH_COMMON_OBJS): Files included if --enable-sim-common.
 464         (MN10300_OBJS,MN10300_INTERP_DEP): New variables.
 465         (SIM_OBJS): Rewrite.
 466         ({WITHOUT,WITH}_COMMON_RUN_OBJS,SIM_RUN_OBJS): New variables.
 467         (SIM_EXTRA_CFLAGS): New variable.
 468         (clean-extra): Clean up igen files.
 469         (../igen/igen,clean-igen,tmp-igen): New rules.
 470         * configure.in: Add support for common framework via
 471         --enable-sim-common.
 472         * configure: Regenerate.
 473         * interp.c: #include sim-main if WITH_COMMON, not mn10300_sim.h.
 474         (hash,dispatch,sim_size): Don't compile if ! WITH_COMMON.
 475         (init_system,sim_write,compare_simops): Likewise.
 476         (sim_set_profile,sim_set_profile_size): Likewise.
 477         (sim_stop,sim_resume,sim_trace,sim_info): Likewise.
 478         (sim_set_callbacks,sim_stop_reason,sim_read,sim_load): Likewise.
 479         (enum interrupt_type): New enum.
 480         (interrupt_names): New global.
 481         (do_interrupt): New function.
 482         (sim_open): Define differently if WITH_COMMON.
 483         (sim_close,sim_create_inferior,sim_do_command): Likewise.
 484         * mn10300_sim.h ({load,store}_{byte,half,word}): Define versions
 485         for WITH_COMMON.
 486         * mn10300.igen: New file.
 487         * mn10300.dc: New file.
 488         * op_utils.c: New file.
 489         * sim-main.h: New file.
 490
 491 Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 492
 493         * configure: Regenerated to track ../common/aclocal.m4 changes.
 494
 495 Fri Feb 27 18:36:04 1998  Jeffrey A Law  (law@cygnus.com)
 496
 497         * simops.c (inc): Fix typo.
 498
 499 Wed Feb 25 01:59:29 1998  Jeffrey A Law  (law@cygnus.com)
 500
 501         * simops.c (signed multiply instructions): Cast input operands to
 502         signed32 before casting them to signed64 so that the sign bit
 503         is propagated properly.
 504
 505 Mon Feb 23 20:23:19 1998  Mark Alexander  <marka@cygnus.com>
 506
 507         * Makefile.in: Last change was bad.  Define NL_TARGET
 508         so that targ-vals.h will be used instead of syscall.h.
 509         * simops.c: Use targ-vals.h instead of syscall.h.
 510         (OP_F020): Disable unsupported system calls.
 511
 512 Mon Feb 23 09:44:38 1998  Mark Alexander  <marka@cygnus.com>
 513
 514         * Makefile.in: Get header files from libgloss/mn10300/sys.
 515
 516 Sun Feb 22 16:02:24 1998  Jeffrey A Law  (law@cygnus.com)
 517
 518         * simops.c: Include sim-types.h.
 519
 520 Wed Feb 18 13:07:08 1998  Jeffrey A Law  (law@cygnus.com)
 521
 522         * simops.c (multiply instructions): Cast input operands to a
 523         signed64/unsigned64 type as appropriate.
 524
 525 Tue Feb 17 12:47:16 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 526
 527         * interp.c (sim_store_register, sim_fetch_register): Pass in
 528         length parameter.  Return -1.
 529
 530 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 531
 532         * configure: Regenerated to track ../common/aclocal.m4 changes.
 533
 534 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 535
 536         * configure: Regenerated to track ../common/aclocal.m4 changes.
 537
 538 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 539
 540         * configure: Regenerated to track ../common/aclocal.m4 changes.
 541
 542 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 543
 544         * configure: Regenerated to track ../common/aclocal.m4 changes.
 545         * config.in: Ditto.
 546
 547 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 548
 549         * configure: Regenerated to track ../common/aclocal.m4 changes.
 550
 551 Tue Nov 11 10:38:52 1997  Jeffrey A Law  (law@cygnus.com)
 552
 553         * simops.c (call:16 call:32): Stack adjustment is determined solely
 554         by the imm8 field.
 555
 556 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 557
 558         * interp.c (sim_load): Pass lma_p and sim_write args to
 559         sim_load_file.
 560
 561 Tue Oct 21 10:12:03 1997  Jeffrey A Law  (law@cygnus.com)
 562
 563         * simops.c: Correctly handle register restores for "ret" and "retf"
 564         instructions.
 565
 566 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 567
 568         * configure: Regenerated to track ../common/aclocal.m4 changes.
 569
 570 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 571
 572         * configure: Regenerated to track ../common/aclocal.m4 changes.
 573
 574 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 575
 576         * configure: Regenerated to track ../common/aclocal.m4 changes.
 577
 578 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 579
 580         * configure: Regenerated to track ../common/aclocal.m4 changes.
 581
 582 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 583
 584         * configure: Regenerated to track ../common/aclocal.m4 changes.
 585
 586 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 587
 588         * configure: Regenerated to track ../common/aclocal.m4 changes.
 589
 590 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 591
 592         * configure: Regenerated to track ../common/aclocal.m4 changes.
 593
 594 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 595
 596         * configure: Regenerated to track ../common/aclocal.m4 changes.
 597         * config.in: Ditto.
 598
 599 Tue Aug 26 10:41:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 600
 601         * interp.c (sim_kill): Delete.
 602         (sim_create_inferior): Add ABFD argument.
 603         (sim_load): Move setting of PC from here.
 604         (sim_create_inferior): To here.
 605
 606 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 607
 608         * configure: Regenerated to track ../common/aclocal.m4 changes.
 609         * config.in: Ditto.
 610
 611 Mon Aug 25 16:14:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 612
 613         * interp.c (sim_open): Add ABFD argument.
 614
 615 Tue Jun 24 13:46:20 1997  Jeffrey A Law  (law@cygnus.com)
 616
 617         * interp.c (sim_resume): Clear State.exited.
 618         (sim_stop_reason): If State.exited is nonzero, then indicate that
 619         the simulator exited instead of stopped.
 620         * mn10300_sim.h (struct _state): Add exited field.
 621         * simops.c (syscall): Set State.exited for SYS_exit.
 622
 623 Wed Jun 11 22:07:56 1997  Jeffrey A Law  (law@cygnus.com)
 624
 625         * simops.c: Fix thinko in last change.
 626
 627 Tue Jun 10 12:31:32 1997  Jeffrey A Law  (law@cygnus.com)
 628
 629         * simops.c: "call" stores the callee saved registers into the
 630         stack!  Update the stack pointer properly when done with
 631         register saves.
 632
 633         * simops.c: Fix return address computation for "call" instructions.
 634
 635 Thu May 22 01:43:11 1997  Jeffrey A Law  (law@cygnus.com)
 636
 637         * interp.c (sim_open): Fix typo.
 638
 639 Wed May 21 23:27:58 1997  Jeffrey A Law  (law@cygnus.com)
 640
 641         * interp.c (sim_resume): Add missing case in big switch
 642         statement (for extb instruction).
 643
 644 Tue May 20 17:51:30 1997  Jeffrey A Law  (law@cygnus.com)
 645
 646         * interp.c: Replace all references to load_mem and store_mem
 647         with references to load_byte, load_half, load_3_byte, load_word
 648         and store_byte, store_half, store_3_byte, store_word.
 649         (INLINE): Delete definition.
 650         (load_mem_big): Likewise.
 651         (max_mem): Make it global.
 652         (dispatch): Make this function inline.
 653         (load_mem, store_mem): Delete functions.
 654         * mn10300_sim.h (INLINE): Define.
 655         (RLW): Delete unused definition.
 656         (load_mem, store_mem): Delete declarations.
 657         (load_mem_big): New definition.
 658         (load_byte, load_half, load_3_byte, load_word): New functions.
 659         (store_byte, store_half, store_3_byte, store_word): New functions.
 660         * simops.c:  Replace all references to load_mem and store_mem
 661         with references to load_byte, load_half, load_3_byte, load_word
 662         and store_byte, store_half, store_3_byte, store_word.
 663
 664 Tue May 20 10:21:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 665
 666         * interp.c (sim_open): Add callback to arguments.
 667         (sim_set_callbacks): Delete SIM_DESC argument.
 668
 669 Mon May 19 13:54:22 1997  Jeffrey A Law  (law@cygnus.com)
 670
 671         * interp.c (dispatch): Make this an inline function.
 672
 673         * simops.c (syscall): Use callback->write regardless of
 674         what file descriptor we're writing too.
 675
 676 Sun May 18 16:46:31 1997  Jeffrey A Law  (law@cygnus.com)
 677
 678         * interp.c (load_mem_big): Remove function.  It's now a macro
 679         defined elsewhere.
 680         (compare_simops): New function.
 681         (sim_open): Sort the Simops table before inserting entries
 682         into the hash table.
 683         * mn10300_sim.h: Remove unused #defines.
 684         (load_mem_big): Define.
 685
 686 Fri May 16 16:36:17 1997  Jeffrey A Law  (law@cygnus.com)
 687
 688         * interp.c (load_mem): If we get a load from an out of range
 689         address, abort.
 690         (store_mem): Likewise for stores.
 691         (max_mem): New variable.
 692
 693 Tue May  6 13:24:36 1997  Jeffrey A Law  (law@cygnus.com)
 694
 695         * mn10300_sim.h: Fix ordering of bits in the PSW.
 696
 697         * interp.c: Improve hashing routine to avoid long list
 698         traversals for common instructions.  Add HASH_STAT support.
 699         Rewrite opcode dispatch code using a big switch instead of
 700         cascaded if/else statements.  Avoid useless calls to load_mem.
 701
 702 Mon May  5 18:07:48 1997  Jeffrey A Law  (law@cygnus.com)
 703
 704         * mn10300_sim.h (struct _state): Add space for mdrq register.
 705         (REG_MDRQ): Define.
 706         * simops.c: Don't abort for trap.  Add support for the extended
 707         instructions, "getx", "putx", "mulq", "mulqu", "sat16", "sat24",
 708         and "bsch".
 709
 710 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 711
 712         * configure: Regenerated to track ../common/aclocal.m4 changes.
 713
 714 Fri Apr 18 14:04:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 715
 716         * interp.c (sim_stop): Add stub function.
 717
 718 Thu Apr 17 03:26:59 1997  Doug Evans  <dje@canuck.cygnus.com>
 719
 720         * Makefile.in (SIM_OBJS): Add sim-load.o.
 721         * interp.c (sim_kind, myname): New static locals.
 722         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 723         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
 724         load file into simulator.  Set start address from bfd.
 725         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 726
 727 Wed Apr 16 19:30:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 728
 729         * simops.c (OP_F020): SYS_execv, SYS_time, SYS_times, SYS_utime
 730         only include if implemented by host.
 731         (OP_F020): Typecast arg passed to time function;
 732
 733 Mon Apr  7 23:57:49 1997  Jeffrey A Law  (law@cygnus.com)
 734
 735         * simops.c (syscall): Handle new mn10300 calling conventions.
 736
 737 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 738
 739         * configure: Regenerated to track ../common/aclocal.m4 changes.
 740         * config.in: Ditto.
 741
 742 Fri Apr  4 20:02:37 1997  Ian Lance Taylor  <ian@cygnus.com>
 743
 744         * Makefile.in: Change mn10300-opc.o to m10300-opc.o, to match
 745         corresponding change in opcodes directory.
 746
 747 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 748
 749         * interp.c (sim_open): New arg `kind'.
 750
 751         * configure: Regenerated to track ../common/aclocal.m4 changes.
 752
 753 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 754
 755         * configure: Regenerated to track ../common/aclocal.m4 changes.
 756
 757 Thu Mar 20 11:58:02 1997  Jeffrey A Law  (law@cygnus.com)
 758
 759         * simops.c: Fix register extraction for a two "movbu" variants.
 760         Somewhat simplify "sub" instructions.
 761         Correctly sign extend operands for "mul".  Put the correct
 762         half of the result in MDR for "mul" and "mulu".
 763         Implement remaining instructions.
 764         Tweak opcode for "syscall".
 765
 766 Tue Mar 18 14:21:21 1997  Jeffrey A Law  (law@cygnus.com)
 767
 768         * simops.c: Do syscall emulation in "syscall" instruction.  Add
 769         dummy "trap" instruction.
 770
 771 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 772
 773         * configure: Regenerated to track ../common/aclocal.m4 changes.
 774
 775 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 776
 777         * configure: Re-generate.
 778
 779 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 780
 781         * configure: Regenerate to track ../common/aclocal.m4 changes.
 782
 783 Thu Mar 13 12:54:45 1997  Doug Evans  <dje@canuck.cygnus.com>
 784
 785         * interp.c (sim_open): New SIM_DESC result.  Argument is now
 786         in argv form.
 787         (other sim_*): New SIM_DESC argument.
 788
 789 Wed Mar 12 15:04:00 1997  Jeffrey A Law  (law@cygnus.com)
 790
 791         * simops.c: Fix carry bit computation for "add" instructions.
 792
 793         * simops.c: Fix typos in bset insns.  Fix arguments to store_mem
 794         for bset imm8,(d8,an) and bclr imm8,(d8,an).
 795
 796 Wed Mar  5 15:00:10 1997  Jeffrey A Law  (law@cygnus.com)
 797
 798         * simops.c: Fix register references when computing Z and N bits
 799         for lsr imm8,dn.
 800
 801 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 802
 803         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 804         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 805         * configure.in: sinclude ../common/aclocal.m4.
 806         * configure: Regenerated.
 807
 808 Fri Jan 24 10:47:25 1997  Jeffrey A Law  (law@cygnus.com)
 809
 810         * interp.c (init_system): Allocate 2^19 bytes of space for the
 811         simulator.
 812
 813 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 814
 815         * configure configure.in Makefile.in:  Update to new configure
 816         scheme which is more compatible with WinGDB builds.
 817         * configure.in:  Improve comment on how to run autoconf.
 818         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 819         * Makefile.in:  Use autoconf substitution to install common
 820         makefile fragment.
 821
 822 Tue Jan 21 15:03:04 1997  Jeffrey A Law  (law@cygnus.com)
 823
 824         * simops.c: Undo last change to "rol" and "ror", original code
 825         was correct!
 826
 827 Thu Jan 16 11:28:14 1997  Jeffrey A Law  (law@cygnus.com)
 828
 829         * simops.c: Fix "rol" and "ror".
 830
 831 Wed Jan 15 06:45:58 1997  Jeffrey A Law  (law@cygnus.com)
 832
 833         * simops.c: Fix typo in last change.
 834
 835 Mon Jan 13 13:22:35 1997  Jeffrey A Law  (law@cygnus.com)
 836
 837         * simops.c: Use REG macros in few places not using them yet.
 838
 839 Mon Jan  6 16:21:19 1997  Jeffrey A Law  (law@cygnus.com)
 840
 841         * mn10300_sim.h (struct _state): Fix number of registers!
 842
 843 Tue Dec 31 16:20:41 1996  Jeffrey A Law  (law@cygnus.com)
 844
 845         * mn10300_sim.h (struct _state): Put all registers into a single
 846         array to make gdb implementation easier.
 847         (REG_*): Add definitions for all registers in the state array.
 848         (SEXT32, SEXT40, SEXT44, SEXT60): Remove unused macros.
 849         * simops.c: Related changes.
 850
 851 Wed Dec 18 10:10:45 1996  Jeffrey A Law  (law@cygnus.com)
 852
 853         * interp.c (sim_resume): Handle 0xff as a single byte insn.
 854
 855         * simops.c: Fix overflow computation for "add" and "inc"
 856         instructions.
 857
 858 Mon Dec 16 10:03:52 1996  Jeffrey A Law  (law@cygnus.com)
 859
 860         * simops.c: Handle "break" instruction.
 861
 862         * simops.c: Fix restoring the PC for "ret" and "retf" instructions.
 863
 864 Wed Dec 11 09:53:10 1996  Jeffrey A Law  (law@cygnus.com)
 865
 866         * gencode.c (write_opcodes): Also write out the format of the
 867         opcode.
 868         * mn10300_sim.h (simops): Add "format" field.
 869         * interp.c (sim_resume): Deal with endianness issues here.
 870
 871 Tue Dec 10 15:05:37 1996  Jeffrey A Law  (law@cygnus.com)
 872
 873         * simops.c (REG0_4): Define.
 874         Use REG0_4 for indexed loads/stores.
 875
 876 Sat Dec  7 09:50:28 1996  Jeffrey A Law  (law@cygnus.com)
 877
 878         * simops.c (REG0_16): Fix typo.
 879
 880 Fri Dec  6 14:13:34 1996  Jeffrey A Law  (law@cygnus.com)
 881
 882         * simops.c: Call abort for any instruction that's not currently
 883         simulated.
 884
 885         * simops.c: Define accessor macros to extract register
 886         values from instructions.  Use them consistently.
 887
 888         * interp.c: Delete unused global variable "OP".
 889         (sim_resume): Remove unused variable "opcode".
 890         * simops.c: Fix some uninitialized variable problems, add
 891         parens to fix various -Wall warnings.
 892
 893         * gencode.c (write_header): Add "insn" and "extension" arguments
 894         to the OP_* declarations.
 895         (write_template): Similarly for function templates.
 896         * interp.c (insn, extension): Remove global variables.  Instead
 897         pass them as arguments to the OP_* functions.
 898         * mn10300_sim.h: Remove decls for "insn" and "extension".
 899         * simops.c (OP_*): Accept "insn" and "extension" as arguments
 900         instead of using globals.
 901
 902 Thu Dec  5 22:26:31 1996  Jeffrey A Law  (law@cygnus.com)
 903
 904         * simops.c: Fix typos in "mov am,(d16,an)" and "mov am,(d32,an)"
 905
 906         * simops.c: Fix thinkos in last change to "inc dn".
 907
 908 Wed Dec  4 10:57:53 1996  Jeffrey A Law  (law@cygnus.com)
 909
 910         * simops.c: "add imm,sp" does not effect the condition codes.
 911         "inc dn" does effect the condition codes.
 912
 913 Tue Dec  3 17:37:45 1996  Jeffrey A Law  (law@cygnus.com)
 914
 915         * simops.c: Treat both operands as signed values for
 916         "div" instruction.
 917
 918         * simops.c: Fix simulation of division instructions.
 919         Fix typos/thinkos in several "cmp" and "sub" instructions.
 920
 921 Mon Dec  2 12:31:40 1996  Jeffrey A Law  (law@cygnus.com)
 922
 923         * simops.c: Fix carry bit handling in "sub" and "cmp"
 924         instructions.
 925
 926         * simops.c: Fix "mov imm8,an" and "mov imm16,dn".
 927
 928 Sun Dec  1 16:05:42 1996  Jeffrey A Law  (law@cygnus.com)
 929
 930         * simops.c: Fix overflow computation for many instructions.
 931
 932         * simops.c: Fix "mov dm, an", "movbu dm, (an)", and "movhu dm, (an)".
 933
 934         * simops.c: Fix "mov am, dn".
 935
 936         * simops.c: Fix more bugs in "add imm,an" and
 937         "add imm,dn".
 938
 939 Wed Nov 27 09:20:42 1996  Jeffrey A Law  (law@cygnus.com)
 940
 941         * simops.c: Fix bugs in "movm" and "add imm,an".
 942
 943         * simops.c: Don't lose the upper 24 bits of the return
 944         pointer in "call" and "calls" instructions.  Rough cut
 945         at emulated system calls.
 946
 947         * simops.c: Implement the remaining 5, 6 and 7 byte instructions.
 948
 949         * simops.c: Implement remaining 4 byte instructions.
 950
 951         * simops.c: Implement remaining 3 byte instructions.
 952
 953         * simops.c: Implement remaining 2 byte instructions.  Call
 954         abort for instructions we're not implementing now.
 955
 956 Tue Nov 26 15:43:41 1996  Jeffrey A Law  (law@cygnus.com)
 957
 958         * simops.c: Implement lots of random instructions.
 959
 960         * simops.c: Implement "movm" and "bCC" insns.
 961
 962         * mn10300_sim.h (_state): Add another register (MDR).
 963         (REG_MDR): Define.
 964         * simops.c: Implement "cmp", "calls", "rets", "jmp" and
 965         a few additional random insns.
 966
 967         * mn10300_sim.h (PSW_*): Define for CC status tracking.
 968         (REG_D0, REG_A0, REG_SP): Define.
 969         * simops.c: Implement "add", "addc" and a few other random
 970         instructions.
 971
 972         * gencode.c, interp.c: Snapshot current simulator code.
 973
 974 Mon Nov 25 12:46:38 1996  Jeffrey A Law  (law@cygnus.com)
 975
 976         * Makefile.in, config.in, configure, configure.in: New files.
 977         * gencode.c, interp.c, mn10300_sim.h, simops.c: New files.
 978