sim/d10v/ChangeLog

   1 2002-06-13  Tom Rix  <trix@redhat.com>
   2
   3         * interp.c (xfer_mem): Fix transfers across multiple segments.
   4
   5 2002-06-09  Andrew Cagney  <cagney@redhat.com>
   6
   7         * Makefile.in (INCLUDE): Update path to callback.h.
   8         * gencode.c: Do not include "callback.h".
   9         * d10v_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
  10         * interp.c: Ditto.
  11
  12 2002-06-08  Andrew Cagney  <cagney@redhat.com>
  13
  14         * interp.c (sim_fetch_register): Fix name of enum used in cast.
  15         (sim_store_register): Ditto.
  16
  17 2002-06-02  Elena Zannoni  <ezannoni@redhat.com>
  18
  19         From Jason Eckhardt <jle@redhat.com>
  20         * d10v_sim.h (INC_ADDR): Correctly handle the case where MOD_E is
  21         less than MOD_S (post-decrement).
  22
  23 2002-06-01  Andrew Cagney  <ac131313@redhat.com>
  24
  25         * interp.c (sim_fetch_register, sim_store_register): Use a switch
  26         statement and enums from "sim-d10v.h".
  27
  28 2002-05-28  Elena Zannoni  <ezannoni@redhat.com>
  29
  30         * interp.c (sim_create_inferior): Add comment.
  31
  32         From Alan Matsuoka <alanm@redhat.com>:
  33         From 2001-04-27 Jason Eckhardt <jle@cygnus.com>:
  34         * simops.c (OP_4400): Output "mvf0f" instead of "mf0f".
  35         (OP_4401): Output "mvf0t" instead of "mf0t".
  36         (OP_460B): Do not output a flag register.
  37         (OP_4609): Do not output a flag register.
  38
  39 2002-05-23  Andrew Cagney  <ac131313@redhat.com>
  40
  41         * Makefile.in (INCLUDE): Add "gdb/sim-d10v.h".
  42         * interp.c: Include "gdb/sim-d10v.h" instead of "sim-d10v.h".
  43
  44 2001-08-01  John R. Moore  <jmoore@redhat.com>
  45
  46         * interp.c (sim_create_inferior): Removed a hack that stated
  47         it was setting r0/r1 with argc/argv.
  48
  49 2001-04-15  J.T. Conklin  <jtc@redback.com>
  50
  51         * Makefile.in (simops.o): Add simops.h to dependency list.
  52
  53 Tue May 23 21:39:23 2000  Andrew Cagney  <cagney@b1.cygnus.com>
  54
  55         * configure: Regenerated to track ../common/aclocal.m4 changes.
  56
  57 Tue Apr 18 16:26:41 2000  Andrew Cagney  <cagney@b1.cygnus.com>
  58
  59         * interp.c (sim_resume): Deliver SIGILL.
  60         (lookup_hash): Do not print SIGILL message.
  61
  62 Tue Feb 22 18:24:56 2000  Andrew Cagney  <cagney@b1.cygnus.com>
  63
  64         * Makefile.in (SIM_EXTRA_CFLAGS): Define SIM_HAVE_ENVIRONMENT.
  65         * interp.c (sim_set_trace): Replace sim_trace.  Enable tracing.
  66
  67 Tue Feb  8 17:41:12 2000  Andrew Cagney  <cagney@b1.cygnus.com>
  68
  69         * d10v_sim.h (SIG_D10V_BUS): Define.
  70
  71         * simops.c (address_exception): Delete function.
  72         (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
  73         OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
  74         OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
  75         OP_6E1F, OP_6A01, OP_6E01, OP_37010000): Replace call to
  76         address_exception with code that sets SIG_D10V_BUS.
  77
  78         * interp.c (sim_resume): When SIGBUS or SIGSEGV, deliver a bus
  79         error to the simulator before resuming execution.
  80         (sim_trace): Check stop reason and use that to determine sim_trace
  81         return value.
  82         (sim_stop_reason): For SIG_D10V_BUS return a SIGBUS / SIGSEGV
  83         sigrc.
  84
  85 Tue Jan 18 16:07:42 MST 2000    Diego Novillo <dnovillo@cygnus.com>
  86
  87         * interp.c (sim_create_inferior): Change internal initial value for
  88         DMAP2 to 0x2000.
  89
  90 Mon Jan  3 02:06:07 2000  Andrew Cagney  <cagney@b1.cygnus.com>
  91
  92         * interp.c (lookup_hash): Stop the update of the PC when there was
  93         an illegal instruction exception.
  94
  95 Mon Jan  3 00:14:33 2000  Andrew Cagney  <cagney@b1.cygnus.com>
  96
  97         * simops.c (address_exception): New function.
  98         (OP_30000000, OP_6401, OP_6001, OP_6000, OP_32010000, OP_31000000,
  99         OP_6601, OP_6201, OP_6200, OP_33010000, OP_34000000, OP_6800,
 100         OP_6C1F, OP_6801, OP_6C01, OP_36010000, OP_35000000, OP_6A00,
 101         OP_6E1F, OP_6A01, OP_6E01, OP_37010000): For "ld", "ld2w", "st"
 102         and "st2w" check that the address is aligned.
 103
 104 1999-12-30  Chandra Chavva   <cchavva@cygnus.com>
 105
 106         * d10v_sim.h (INC_ADDR): Added code to assign
 107         proper address for loads with predec operations.
 108
 109 1999-11-25  Nick Clifton  <nickc@cygnus.com>
 110
 111         * simops.c (OP_4E0F): New function: Simulate new bit pattern for
 112         cpfg instruction.
 113
 114 Fri Oct 29 18:34:28 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 115
 116         * simops.c (move_to_cr): Don't allow user to set PSW.DM in either
 117         DPSW and BPSW.
 118
 119 Thu Oct 28 01:26:18 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 120
 121         * simops.c (OP_5F20): Use SET_HW_PSW when updating PSW.
 122         (PSW_HW_MASK): Declare.
 123
 124         * d10v_sim.h (move_to_cr): Add ``psw_hw_p'' parameter.
 125         (SET_CREG, SET_PSW_BIT): Update.
 126         (SET_HW_CREG, SET_HW_PSW): Define.
 127
 128 Sun Oct 24 21:38:04 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 129
 130         * interp.c (sim_d10v_translate_dmap_addr): Fix extraction of IOSP
 131         for DMAP3.
 132
 133 Sun Oct 24 16:04:16 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 134
 135         * interp.c (sim_d10v_translate_addr): New function.
 136         (xfer_mem): Rewrite.  Use sim_d10v_translate_addr.
 137         (map_memory): Make INLINE.
 138
 139 Sun Oct 24 13:45:19 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 140
 141         * interp.c (sim_d10v_translate_dmap_addr): New function.
 142         (dmem_addr): Rewrite. Use sim_d10v_translate_dmap_addr.  Change
 143         offset parameter to type uint16.
 144         * d10v_sim.h (dmem_addr): Update declaration.
 145
 146 Sun Oct 24 13:07:31 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 147
 148         * interp.c (imap_register, set_imap_register, dmap_register,
 149         set_imap_register): Use map_memory.
 150         (DMAP): Update.
 151         (sim_create_inferior): Initialize all DMAP registers.  NOTE that
 152         DMAP2, in internal memory mode, is set to 0x0000 and NOT
 153         0x2000. This is consistent with the older d10v boards.
 154
 155 Sun Oct 24 11:22:12 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 156
 157         * interp.c (sim_d10v_translate_imap_addr): New function.
 158         (imem_addr): Rewrite.  Use sim_d10v_translate_imap_addr.
 159         (last_from, last_to): Declare.
 160
 161 Sun Oct 24 01:21:56 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 162
 163         * d10v_sim.h (struct d10v_memory): Define.  Support very long
 164         memories.
 165         (struct _state): Replace imem, dmem and umem by mem.
 166         (IMAP_BLOCK_SIZE, DMAP_BLOCK_SIZE, SEGMENT_SIZE, IMEM_SEGMENTS,
 167         DMEM_SEGMENTS, UMEM_SEGMENTS): Define.
 168
 169         * interp.c (map_memory): New function.
 170         (sim_size, xfer_memory, imem_addr, dmem_addr): Update.
 171         (UMEM_SEGMENTS): Moveed to "d10v_sim.h".
 172         (IMEM_SIZEDMEM_SIZE): Delete.
 173
 174 Sat Oct 23 20:06:58 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 175
 176         * interp.c: Include "sim-d10v.h".
 177         (imap_register, set_imap_register, dmap_register,
 178         set_dmap_register, spi_register, spu_register, set_spi_register,
 179         set_spu_register): New functions.
 180         (sim_create_inferior): Update.
 181         (sim_fetch_register, sim_store_register): Rewrite.  Use enums
 182         defined in sim-d10v.h.
 183
 184         * d10v_sim.h (DEBUG_MEMORY): Define.
 185         (IMAP0, IMAP1, DMAP, SET_IMAP0, SET_IMAP1, SET_DMAP): Delete.
 186
 187 Sat Oct 23 18:41:18 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 188
 189         * interp.c (sim_open): Allow a debug value to be passed to the -t
 190         option.
 191         (lookup_hash): Don't exit on an illegal instruction.
 192         (do_long, do_2_short, do_parallel): Check for failed instruction
 193         lookup.
 194
 195 Mon Oct 18 18:03:24 MDT 1999    Diego Novillo <dnovillo@cygnus.com>
 196
 197         * simops.c (OP_3220): Fix trace output for illegal accumulator
 198         message.
 199
 200 1999-09-14  Nick Clifton  <nickc@cygnus.com>
 201
 202         * simops.c: Disable setting of DM bit in PSW.
 203
 204 Wed Sep  8 19:34:55 MDT 1999    Diego Novillo <dnovillo@cygnus.com>
 205
 206         * simops.c (op_types): Added new memory indirect type OP_MEMREF3.
 207         (trace_input_func): Added support for OP_MEMREF3.
 208         (OP_32010000): New instruction ld.
 209         (OP_33010000): New instruction ld2w.
 210         (OP_5209): New instruction sac.
 211         (OP_4209): New instruction sachi.
 212         (OP_3220): New instruction slae.
 213         (OP_36010000): New instruction st.
 214         (OP_37010000): New instruction st2w.
 215
 216 1999-09-09  Stan Shebs  <shebs@andros.cygnus.com>
 217
 218         * interp.c (old_segment_mapping): New global.
 219         (xfer_mem): Change the default segment mapping to be the way
 220         that Mitsubishi prefers, but use the previous mapping if
 221         old_segment_mapping is true.
 222         (sim_open): Add an option -oldseg to get the old mapping.
 223         (sim_create_inferior): Init mapping registers based on the
 224         value of old_segment_mapping.
 225
 226 1999-09-07  Nick Clifton  <nickc@cygnus.com>
 227
 228         * simops.c (OP_6601): Do not write back decremented address if
 229         either of the destination registers was the same as the address
 230         register.
 231         (OP_6201): Do not write back incremented address if either of the
 232         destination registers was the same as the address register.
 233
 234 Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 235
 236         * configure: Regenerated to track ../common/aclocal.m4 changes.
 237
 238 1999-05-08  Felix Lee  <flee@cygnus.com>
 239
 240         * configure: Regenerated to track ../common/aclocal.m4 changes.
 241
 242 1999-04-02  Keith Seitz  <keiths@cygnus.com>
 243
 244         * interp.c (ui_loop_hook_counter): New global (when NEED_UI_LOOP_HOOK
 245         defined).
 246         (sim_resume): If the counter has expired, call the ui_loop_hook,
 247         if defined.
 248         (UI_LOOP_POLL_INTERVAL): Define. Used to tweak the frequency of
 249         ui_loop_hook calls.
 250         * Makefile.in (SIM_EXTRA_CFLAGS): Include NEED_UI_LOOP_HOOK.
 251
 252 Wed Mar 10 19:32:13 1999  Nick Clifton  <nickc@cygnus.com>
 253
 254         * simops.c: If load instruction with auto increment/decrement
 255         addressing is used when the destination register is the same as
 256         the address register, then ignore the auto increment/decrement.
 257
 258 Wed Mar 10 19:32:13 1999  Martin M. Hunt  <hunt@cygnus.com>
 259
 260         * simops.c (OP_5F00): Ifdef SYS_stat case because
 261         not all systems have it defined.
 262
 263 1999-01-26  Jason Molenda  (jsm@bugshack.cygnus.com)
 264
 265         * simops.c (OP_5607): Correct saturation comparison/assignment.
 266         (OP_1201, OP_1203, OP_17001200, OP_17001202,
 267          OP_2A00, OP_2800, OP_2C00, OP_3200, OP_3201,
 268          OP_1001, OP_1003, OP_17001000, OP_17001002): Ditto.
 269
 270 1999-01-26  Jason Molenda  (jsm@bugshack.cygnus.com)
 271
 272         * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
 273         comparison.
 274         (OP_5607): Ditto.
 275         (OP_2A00): Ditto.
 276         (OP_2800): Ditto.
 277
 278 1999-01-13  Jason Molenda  (jsm@bugshack.cygnus.com)
 279
 280         * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
 281         comparison.
 282
 283 Tue Nov 24 17:04:43 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 284
 285         * simops.c (sys/syscall.h): Include targ-vals.h instead.
 286         (SYS_*): Replace with TARGET_SYS_*.
 287
 288         * Makefile.in: Add dependency on targ-vals.h.
 289         (NL_TARGET): Define as NL_TARGET_d10v.
 290
 291 Wed Sep 30 00:06:32 1998  Andrew Cagney  <cagney@amy.cygnus.com>
 292
 293         * interp.c (xfer_mem): Missing break, instruction memory case
 294         flowed into unified memory case.
 295
 296 Wed Sep 30 10:14:18 1998  Nick Clifton  <nickc@cygnus.com>
 297
 298         * simops.c: If load instruction with auto increment/decrement
 299         addressing is used when the destination register is the same as
 300         the address register, then ignore the auto increment/decrement.
 301
 302 Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>
 303
 304         * configure: Regenerated to track ../common/aclocal.m4 changes.
 305
 306 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
 307
 308         * configure: Regenerated to track ../common/aclocal.m4 changes.
 309         * config.in: Ditto.
 310
 311 Sun Apr 26 15:20:23 1998  Tom Tromey  <tromey@cygnus.com>
 312
 313         * acconfig.h: New file.
 314         * configure.in: Reverted change of Apr 24; use sinclude again.
 315
 316 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
 317
 318         * configure: Regenerated to track ../common/aclocal.m4 changes.
 319         * config.in: Ditto.
 320
 321 Fri Apr 24 11:20:06 1998  Tom Tromey  <tromey@cygnus.com>
 322
 323         * configure.in: Don't call sinclude.
 324
 325 Fri Apr 24 11:04:46 1998  Andrew Cagney  <cagney@chook.cygnus.com>
 326
 327         * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
 328
 329         * d10v_sim.h (remote-sim.h, sim-config.h): Include.
 330
 331 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 332
 333         * configure: Regenerated to track ../common/aclocal.m4 changes.
 334
 335 Wed Apr  1 12:59:17 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 336
 337         * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
 338         up-to-date CR value.
 339         (OP_OP_1000000, add3): Trace inputs before performing add.
 340         (OP_5F00, <*>): Trace input registers before making system call.
 341         (OP_5F00, <kill>): Trace R0, R1 not REGn.
 342         (OP_5F00, <getpid>): Always return 47.
 343
 344         * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
 345         SLOT_DISCARD, SLOT_FLUSH): Define.  An implementation of write
 346         back slots.
 347         (struct _state): Add struct slot slot to global state variable.
 348         (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
 349         F0, F1, C from global State variable.
 350         (struct _state): Add struct trace to global State variable.
 351         (GPR, SET_GPR): Define.  SET_GPR uses SLOT_PEND.
 352         (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
 353         (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
 354         (INC_ADDR): Re-implement.  Use SET_GPR to update registers.
 355         (JMP): Re-implement. Use SET_* to update registers.
 356
 357         * interp.c: Use new SET_* et.al. macros to fetch / store
 358         registers.
 359         (get_operands): Squirrel away trace values at start of each
 360         operand decode.
 361         (do_2_short): Flush pending writes before issuing second
 362         instruction.
 363         (sim_resume): Flush pending writes at end of instruction cycle.
 364         (sim_fetch_register, sim_store_register, sim_create_inferior):
 365         After scheduling updates to registers using SET_*, flush updates.
 366         (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
 367         that each sets pc using SET_* and last SET_* eventually winds out.
 368
 369         * simops.c: Use new SET_* et.al. macros to fetch / store
 370         registers.
 371         (move_to_cr): Add MASK argument for selective update of CREG bits.
 372         Re-implement using new SET_* macros.
 373         (trace_output_func, trace_output): Delete. Replace with.
 374         (do_trace_output_flush, trace_output_finish, trace_output_40,
 375         trace_output_32, trace_output_16, trace_output_void,
 376         trace_output_flag): New functions.  Handle specific trace cases.
 377         (OP_*): Re-write tracing to use new trace_output_* functions.
 378         (OP_*): Re-write to use new SET_* et.al. macros.
 379         (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
 380         (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
 381
 382 Wed Apr  1 12:55:18 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 383
 384         * configure.in (SIM_AC_OPTION_WARNINGS): Add.
 385         configure: Re-generate.
 386
 387 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 388
 389         * configure: Regenerated to track ../common/aclocal.m4 changes.
 390
 391 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 392
 393         * configure: Regenerated to track ../common/aclocal.m4 changes.
 394
 395 Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 396
 397         * configure: Regenerated to track ../common/aclocal.m4 changes.
 398
 399 Tue Feb 17 12:38:42 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 400
 401         * interp.c (sim_store_register, sim_fetch_register): Pass in
 402         length parameter.  Return -1.
 403
 404 Mon Oct 27 14:43:33 1997  Fred Fish  <fnf@cygnus.com>
 405
 406         * (dmem_addr): If address is illegal or in I/O space, signal a bus
 407         error.  Allocate unified memory on demand.  Fix DMEM address
 408         calculations.
 409
 410 Mon Feb 16 10:27:53 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 411
 412         * simops.c (OP_5F20): Implement "dbt".
 413         (OP_5F60): Implement "rtd".
 414
 415         * d10v_sim.h (DPC_CR): Define enum.
 416         (DBT_VECTOR_START): Define
 417         (DPSW, DPC): Define.
 418
 419 Fri Feb 13 15:15:58 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 420
 421         * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
 422         to PSW:SM.
 423
 424         * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
 425         (SP_IDX): Define.
 426
 427 Wed Feb 11 16:53:49 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 428
 429         * simops.c (OP_5F00): Call error instead of abort for unknown
 430         syscalls.
 431
 432         * d10v_sim.h (enum): Define DPSW_CR.
 433
 434         * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
 435
 436 Tue Feb 10 18:28:38 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 437
 438         * interp.c (sim_write_phys): Delete.
 439         (sim_load): Call sim_load_file with sim_write and LMA.
 440
 441 Mon Feb  9 12:05:01 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 442
 443         * interp.c: Rewrite xfer_mem so that it translates addresses as -
 444         0x00... - DMAP translated memory, 0x01... IMAP translated memory,
 445         0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
 446         memory.
 447         (pc_addr): Delete.
 448         (imem_addr): New function - translate IMEM address.
 449         (sim_resume): Use imem_addr to translate insn address, abort if
 450         translation failed.
 451         (sim_create_inferior): Write ARGV to memory using sim_write.  Pass
 452         argc/argv using r0/r1 not r2/r3.
 453         (sim_size): Do not initialize IMAP/DMAP here.
 454         (sim_open): Call sim_create_inferior and sim_size to initialize
 455         the system.
 456         (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
 457         defaults.
 458         (init_system): Delete.
 459         (xfer_mem, sim_fetch_register, sim_store_register): Do not call
 460         init_system.
 461         (decode_pc): Check prog_bfd is defined before looking up .text
 462         section.
 463
 464 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 465
 466         * configure: Regenerated to track ../common/aclocal.m4 changes.
 467
 468 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 469
 470         * configure: Regenerated to track ../common/aclocal.m4 changes.
 471
 472 Sun Jan 25 22:23:01 1998  Michael Meissner  <meissner@cygnus.com>
 473
 474         * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
 475
 476 Sat Jan 24 19:00:30 1998  Michael Meissner  <meissner@cygnus.com>
 477
 478         * d10v_sim.h (DEBUG_TRAP): New debug flag.
 479
 480         * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
 481         printing the registers.
 482
 483 Thu Jan 22 17:54:01 1998  Michael Meissner  <meissner@cygnus.com>
 484
 485         * simops.c (op_types): New ABI, args are r0..r3, system call # is
 486         in r4.
 487         (trace_{in,out}put_func): Ditto.
 488         (OP_4900): Ditto.
 489         (OP_24800000): Ditto.
 490         (OP_4D00): Ditto.
 491         (OP_5F00): Ditto.
 492
 493 Thu Jan 22 14:30:36 1998  Fred Fish  <fnf@cygnus.com>
 494
 495         * interp.c (UMEM_SEGMENTS): New define, set to 128.
 496         (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
 497         (sim_close): Reset prog_bfd to NULL after closing it.  Also
 498         reset prog_bfd_was_opened_p after closing prog_bfd.
 499         (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
 500         (sim_create_inferior): Get start address from abfd not prog_bfd.
 501         (xfer_mem): Do bounds checking on addresses and return zero length
 502         read/write on bad addresses, rather than aborting.  Prepare to
 503         be able to handle xfers that cross segment boundaries, but not
 504         yet implemented.  Only emit debug message when d10v_debug is
 505         set as well as DEBUG being defined.
 506
 507 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 508
 509         * configure: Regenerated to track ../common/aclocal.m4 changes.
 510
 511 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 512
 513         * configure: Regenerated to track ../common/aclocal.m4 changes.
 514         * config.in: Ditto.
 515
 516 Tue Dec  9 10:28:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 517
 518         * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
 519         (BPSW): Ditto for BPSW_CR and not PSW_CR.
 520
 521         * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
 522
 523 Mon Dec  8 12:58:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 524
 525         * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
 526         reserved trap from 0 to 15. Add trap emulation code for 0-14.
 527
 528         * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
 529         IBA for SDBT.
 530
 531         * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
 532         SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
 533
 534         * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
 535         use move_to_cr.
 536         (OP_5F00): For "trap", update BPSW with move_to_cr.
 537
 538 Fri Dec  5 15:31:17 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 539
 540         * d10v_sim.h (enum): Enumerate CR register names.
 541         (enum): Enumerate PSW bit values.
 542         (PSW): Obtain value uing move_from_cr.
 543         (MOD_S, MOD_E, BPSW): Make r-values.
 544         (move_from_cr, move_to_cr): Declare functions.
 545
 546         * interp.c (sim_fetch_register, sim_store_register): Use
 547         move_from_cr and move_to_cr for CR register transfers.
 548
 549         * simops.c (move_from_cr, move_to_cr): New functions.
 550         (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
 551         (OP_5600): For "mvtc", use function move_to_cr.
 552         (OP_5200): For "mvfc", use function move_from_cr.
 553
 554 Fri Dec  5 13:33:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 555
 556         * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
 557         LSbit is zero.
 558
 559 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 560
 561         * configure: Regenerated to track ../common/aclocal.m4 changes.
 562
 563 Thu Dec  4 16:51:02 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 564
 565         * d10v_sim.h (struct _state): Add DM - PSW debug mask.
 566
 567         * simops.c (OP_5600): For "mvtc", save PSW.DM.
 568         (OP_5200): Ditto for "mvfc".
 569
 570 Wed Dec  3 17:27:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 571
 572         * d10v_sim.h (SEXT56): Define.
 573
 574         * simops.c (OP_4201): For "rac", sign extend 56 bit value before
 575         it is shifted.
 576
 577         * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
 578         SIGNED64 macro.
 579
 580 Tue Dec  2 15:38:34 1997  Fred Fish  <fnf@cygnus.com>
 581
 582         * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
 583         RIGHT_FIRST, as appropriate, instead of hardcoded ints that
 584         don't match enum values.
 585
 586 Tue Dec  2 15:01:08 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 587
 588         * simops.c (OP_3A00): For "macu", perform multiply stage using 32
 589         bit rather than 16 bit precision.
 590         (OP_3C00): For "mulxu", store unsigned product in ACC.
 591         (OP_3800): For "msbu", subtract unsigned product from ACC,
 592         (OP_0): For "sub", compute carry by comparing inputs.
 593
 594 Tue Dec  2 11:04:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 595
 596         * simops.c (OP_1000): For "sub2w", compute carry by comparing
 597         inputs.
 598
 599 Mon Nov 17 20:57:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 600
 601         * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
 602         carry indicated by value > 0xffff.
 603
 604 Fri Nov 14 12:51:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 605
 606         * interp.c (sim_resume): Don't set up SIGINT handler using signal,
 607         handled by client.
 608         (sim_resume): Fix race condition of a direct assignment to
 609         stop_simulator, conditionally call sim_stop.
 610         (sim_stop_reason): Check stop_simulator returning SIGINT.  Clear
 611         stop_simulator ready for next sim_resume call.
 612         (sim_ctrl_c): Delete function.
 613
 614 Thu Nov 13 19:29:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 615
 616         * interp.c (sim_resume): For "REP", only check/update the PC when
 617         a branch instruction has not been executed.
 618
 619 Mon Nov 10 17:50:18 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 620
 621         * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC.  Sign
 622         extend bit 44 all constants.
 623         (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
 624
 625 Fri Oct 24 10:26:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 626
 627         * d10v_sim.h: Include sim-types.h.
 628         (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
 629         using unsigned8 et.al. from sim-types.h.
 630         (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
 631         SIGNED64 macro.
 632
 633 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 634
 635         * interp.c (sim_write_phys): New function, write to physical
 636         instead of virtual memory.
 637
 638         * interp.c (sim_load): Pass lma_p and sim_write_phys to
 639         sim_load_file.
 640
 641 Mon Oct 13 10:55:07 1997  Fred Fish  <cygnus.com>
 642
 643         * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
 644         exception generation code to OP_6E01.
 645         (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
 646         generation code.
 647
 648 Sat Oct 11 09:02:08 1997  Fred Fish  <fnf@cygnus.com>
 649
 650         * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
 651         (OP_6601): Ditto.
 652
 653 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 654
 655         * configure: Regenerated to track ../common/aclocal.m4 changes.
 656
 657 Sat Sep 27 12:51:34 1997  Fred Fish  <fnf@cygnus.com>
 658
 659         * interp.c (pc_addr): Discard upper bit(s) of PC in case
 660         IMAP1 selects unified memory.
 661         * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
 662         for end condition.
 663
 664 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 665
 666         * configure: Regenerated to track ../common/aclocal.m4 changes.
 667
 668 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 669
 670         * configure: Regenerated to track ../common/aclocal.m4 changes.
 671
 672 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 673
 674         * configure: Regenerated to track ../common/aclocal.m4 changes.
 675
 676 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 677
 678         * configure: Regenerated to track ../common/aclocal.m4 changes.
 679
 680 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 681
 682         * configure: Regenerated to track ../common/aclocal.m4 changes.
 683
 684 Wed Sep 10 22:30:24 1997  Martin M. Hunt  <hunt@cygnus.com>
 685
 686         * interp.c (sim_resume): Increment PC at end of rep
 687         loop.
 688
 689         * simops.c (OP_4201): Fix rachi instruction.
 690
 691 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 692
 693         * configure: Regenerated to track ../common/aclocal.m4 changes.
 694
 695 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 696
 697         * configure: Regenerated to track ../common/aclocal.m4 changes.
 698         * config.in: Ditto.
 699
 700 Tue Aug 26 10:37:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 701
 702         * interp.c (sim_kill): Delete.
 703         (sim_create_inferior): Add ABFD argument.
 704         (sim_load): Move setting of PC from here.
 705         (sim_create_inferior): To here.
 706         (start_address): Delete variable.
 707
 708 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 709
 710         * configure: Regenerated to track ../common/aclocal.m4 changes.
 711         * config.in: Ditto.
 712
 713 Mon Aug 25 15:39:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 714
 715         * interp.c (sim_open): Add ABFD argument.
 716
 717 Tue May 20 10:14:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 718
 719         * interp.c (sim_open): Add callback argument.
 720         (sim_set_callbacks): Remove SIM_DESC argument.
 721
 722 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 723
 724         * configure: Regenerated to track ../common/aclocal.m4 changes.
 725
 726 Tue Apr 22 10:29:23 1997  Doug Evans  <dje@canuck.cygnus.com>
 727
 728         * interp.c (sim_open): Undo patch to add -E support.
 729
 730 Fri Apr 18 13:39:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 731
 732         * interp.c (sim_stop): New function.
 733
 734 Thu Apr 17 02:42:00 1997  Doug Evans  <dje@canuck.cygnus.com>
 735
 736         * Makefile.in (SIM_OBJS): Add sim-load.o.
 737         * d10v_sim.h (exec_bfd): Rename to prog_bfd.
 738         * interp.c: #include bfd.h.
 739         (myname, sim_kind, start_address): New static locals.
 740         (prog_bfd_was_opened_p, prog_bfd): New static locals.
 741         (decode_pc): Update to use prog_bfd.
 742         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 743         (sim_close): Close prog_bfd if simulator opened it.
 744         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 745         (sim_load): Return SIM_RC.  New arg abfd.  Set start address from bfd.
 746         Call sim_load_file to load file into simulator.
 747         * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
 748
 749 Wed Apr 16 16:12:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 750
 751         * simops.c (OP_5F00): Only provide system calls SYS_execv,
 752         SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
 753
 754 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 755
 756         * configure: Regenerated to track ../common/aclocal.m4 changes.
 757         * config.in: Ditto.
 758
 759 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 760
 761         * interp.c (sim_open): New arg `kind'.
 762
 763         * configure: Regenerated to track ../common/aclocal.m4 changes.
 764
 765 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 766
 767         * configure: Regenerated to track ../common/aclocal.m4 changes.
 768
 769 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 770
 771         * configure: Re-generate.
 772
 773 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 774
 775         * configure: Regenerate to track ../common/aclocal.m4 changes.
 776
 777         * simops.c (OP_5F00): Remove old traps 1-3.  Make trap 15 the same
 778         as trap 0, which will be deprecated.  Only set errno, if an error
 779         in fact was returned.
 780
 781 Thu Mar 13 12:41:20 1997  Doug Evans  <dje@canuck.cygnus.com>
 782
 783         * interp.c: Delete redundant prototypes of sim_foo fns.
 784         (sim_open): New SIM_DESC result.  Argument is now in argv form.
 785         (other sim_*): New SIM_DESC argument.
 786
 787 Thu Mar 13 10:29:04 1997  Michael Meissner  <meissner@cygnus.com>
 788
 789         * simops.c (trace_{input,output}_func): Call flush_stdout from the
 790         callback functions.
 791         (OP_5F00): Ditto.
 792         (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
 793         (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
 794         setting the carry bit after an add or a subtract.
 795
 796 Wed Feb 12 16:04:15 1997  Michael Meissner  <meissner@cygnus.com>
 797
 798         * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
 799         40 bits of accumulators.  Sign/zero extend as appropriate.
 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 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 809
 810         * configure configure.in Makefile.in:  Update to new configure
 811         scheme which is more compatible with WinGDB builds.
 812         * configure.in:  Improve comment on how to run autoconf.
 813         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 814         * Makefile.in:  Use autoconf substitution to install common
 815         makefile fragment.
 816
 817 Fri Dec 27 22:54:05 1996  Angela Marie Thomas (angela@cygnus.com)
 818
 819         * gencode.c: patch to not #include "d10v_sim.h" which
 820         unecessarily includes bfd.h and causes wingdb configure
 821         to fail.
 822
 823 Mon Dec 16 13:39:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 824
 825         * interp.c (xfer_mem): Change unified memory to 0x0.
 826
 827 Thu Nov 28 20:42:56 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 828
 829         * simops.c (OP_3E01): Fix tracing information.
 830         (OP_300{0,1}): Do not propigate sign.
 831
 832 Mon Nov 25 19:47:40 1996  Doug Evans  <dje@canuck.cygnus.com>
 833
 834         * config.in (WORDS_BIGENDIAN): Add.
 835         * configure: Regenerated.
 836         * d10v_sim.h: #include "config.h"
 837
 838 Sat Nov 23 09:34:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 839
 840         * gencode.c (write_opcodes): Eliminate warnings when generated
 841         table.c is compiled.
 842
 843 Wed Nov 20 19:41:40 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 844
 845         * interp.c (sim_open): Cast result of calloc, and make sure NULL
 846         was not returned.
 847         (dmem_addr): If address is illegal or in I/O space, signal a bus
 848         error.
 849         (pc_addr): Signal bus error, not illegal instruction for bogus
 850         pc.
 851
 852 Wed Nov 20 01:23:03 1996  Doug Evans  <dje@canuck.cygnus.com>
 853
 854         * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
 855         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
 856         * configure.in: Simplify using macros in ../common/aclocal.m4.
 857         Call AC_CHECK_HEADERS(unistd.h).
 858         * configure: Regenerated.
 859         * config.in: New file.
 860         * interp.c: #include "callback.h".
 861         * simops.c: #include "config.h".  #include <unistd.h> if present.
 862
 863 Fri Nov  8 16:19:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 864
 865         * d10v-sim.h (simops): Add flag is_long.
 866         (State): Add pc_changed.  Instructions which update the PC should
 867         use the JMP macro which sets this.
 868         (JMP): New macro.  Sets the PC and the pc_changed flag.
 869
 870         * gencode.c (write_opcodes): Add is_long field.
 871
 872         * interp.c (lookup_hash): If we blindly apply a short opcode's mask
 873         to a long opcode we could get a false match.  Check the opcode size.
 874         (hash): Add a size field to the hash table.
 875         (sim_open): Initialize size field in hash table.
 876         (sim_resume): Change to logic for setting the PC.  Used to increment the
 877         PC if it had not been changed.  This didn't allow single-instruction loops.
 878         Now checks the flag State.pc_changed.  Also now stops when ^C is received.
 879         (dmem_addr): Fix translation of data segments to unified memory.
 880         (sim_ctrl_c): New function.  When ^C is received, set stop_simulator flag.
 881
 882         * simops.c: Changed all branch and jump instructions to use new JMP macro.
 883         (OP_20000000): Corrected trace information to show this is a ldi.l, not
 884         a ldi.s instruction.
 885
 886 Thu Oct 31 19:13:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 887
 888         * interp.c (sim_fetch_register, sim_store_register): Fix bug where
 889         updating the accumulators was overwriting other parts of the global
 890         State variable.
 891
 892 Wed Oct 30 17:35:14 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 893
 894         * interp.c (bfd.h) Don't include it here any more.
 895         (text{,_start,_end}): Move here from simops.c and make extern.
 896         (decode_pc): New function to return the PC as an address that the
 897         debugger can use.
 898         (dmem_addr): Print decoded PC in error message.
 899         (pc_addr): Ditto.
 900
 901         * simops.c (bfd.h) Don't include it here any more.
 902         (text{,_start,_end}): Move to simops.c.
 903         (trace_input_func): Move decoding of PC, and looking up .text
 904         start to decode_pc.
 905
 906         * d10v_sim.h (bfd.h): Include it here.
 907         (text{,_start,_end}): Add external declarations.
 908         (exec_bfd): Ditto.
 909         (decode_pc): Ditto.
 910
 911 Tue Oct 29 12:13:52 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 912
 913         * interp.c (sim_size): Now allocates unified memory for imap segments
 914         0,1,2, and 127. Initializes imap0 and imap1 to 0x1000.  Initializes dmap to 0.
 915         (sim_write): Just call xfer_mem().
 916         (sim_read): Just call xfer_mem().
 917         (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
 918         (dmem_addr): New function. Reads dmap register and translates data
 919         addresses to local addresses.
 920         (pc_addr): New function. Reads imap register and computes local address
 921         corresponding to contents of the PC.
 922         (sim_resume): Change to use pc_addr().
 923         (sim_create_inferior): Change reinitialization code. Also reinitializes
 924         imap[01] and dmap.
 925         (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
 926         (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
 927
 928         * simops.c (MEMPTR): Redefine to use dmem_addr().
 929         (OP_5F00): Replace references to STate.imem with dmem_addr().
 930
 931         * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
 932         (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
 933         (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
 934
 935 Tue Oct 22 15:22:33 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 936
 937         * d10v_sim.h (_ins_type): Reorganize, so that we can provide
 938         better statistics, like not counting NOPS as parallel
 939         instructions, and printing total cycles.
 940         (ins_type_counters): Make unsigned long.
 941         (left_nops,right_nops): Fold into ins_type_counters.
 942
 943         * simops.c (trace_input_func): Print new instruction types.
 944         Handle OP_R2R3 as input types.
 945         (OP_{38000000,7000}): Correctly sign extend bytes.
 946         (OP_5E00): Don't count NOPs as parallel instructions.
 947         (OP_460B): Remove unused variable.
 948         (OP_5F00): Ditto.
 949
 950         * interp.c (ins_type_counters): Make unsigned long.
 951         (left_nops,right_nops): Delete.
 952         (most functions): Add prototypes.
 953         (INLINE): If GCC and optimize define as __inline__.
 954         ({,lookup_}hash,get_operands): Declare as INLINE.
 955         (do_parallel): Count conditional operations.
 956         (add_commas): New function, to add commas every 3 digits.
 957         (sim_size): Call add_commas to print numbers.
 958         (sim_{open,resume}): Delete unused variables.
 959         (sim_info): Provide better statistics.
 960         (sim_read): Add int return type.
 961
 962 Mon Oct 21 16:16:26 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 963
 964         * interp.c (sim_resume): Change the way single-stepping and exceptions
 965         are handled so single-stepping works again.
 966
 967 Thu Oct 17 12:24:16 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 968
 969         * endian.c: Optimize simulated loads/stores on x86, AIX, and big
 970         endian hosts.
 971
 972         * configure.in (--enable-sim-bswap): New switch to enable using
 973         the BSWAP instruction on x86's.
 974         * configure: Regenerate.
 975
 976         * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
 977         support.
 978
 979 Wed Oct 16 13:50:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 980
 981         * endian.c: New file.  Move endian functions here from interp.c.
 982         Optimize code, and make it work as either inline functions or as a
 983         separate file.
 984
 985         * interp.c: Move endian functions from here to endian.c.
 986
 987         * Makefile.in (INCLUDE): Add endian.c.
 988         (run,libsim.a): Add dependency on endian.o.
 989         (endian.o): Add dependency.
 990
 991         * d10v_sim.h (read/write support): Always go through the machine
 992         independent endian functions.  If compiling with GCC and
 993         optimizing, include endian.c so the endian functions are inlined.
 994
 995         * simops.c (OP_5F00): Correct tracing of accumulators.
 996
 997 Tue Oct 15 10:57:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 998
 999         * simops.c (OP_5F00): Add support for getpid, kill system calls.
1000
1001         * interp.c (do_{2_short,parallel}): If an exception is raised,
1002         don't execute the second instruction.
1003
1004 Sat Oct 12 22:17:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1005
1006         * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
1007         temporary in case the register is overriden when loading.
1008         (OP_6200): Output type is OP_DREG for tracing.
1009
1010 Fri Oct  4 23:46:18 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1011
1012         * d10v_sim.h (struct _state): Add mem_{min,max} fields.
1013
1014         * interp.c (sim_size): Initialize mem_{min,max} fields.
1015         (sim_write): Update mem_{min,max} fields.
1016         (sim_resume): If PC is not in the minimum/maximum memory range,
1017         abort.
1018         (sim_create_inferior): Preserve mem_{min,max} fields.
1019
1020 Fri Sep 27 13:11:58 1996  Mark Alexander  <marka@cygnus.com>
1021
1022         * simops.c (OP_5F00): Add support for time() system call.
1023
1024 Wed Sep 25 16:31:41 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1025
1026         * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
1027         stored if tracing.
1028         (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
1029         system calls.
1030
1031 Mon Sep 23 17:55:30 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1032
1033         * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
1034         (trace_input_func): Add support for  OP_{CONSTANT8,R2,R3}.
1035         (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
1036         to call/subroutine returns to trace the first two arguments and
1037         the return value.  For small jumps, use CONSTANT8, not CONSTANT16.
1038
1039 Fri Sep 20 15:36:45 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1040
1041         * interp.c (sim_create_inferior): Reinitialize State every time
1042         sim_create_inferior() is called.
1043
1044 Thu Sep 19 21:38:20 1996  Michael Meissner  <meissner@wogglebug.ziplink.net>
1045
1046         * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
1047         on comparisons.
1048         (OP_401): Fix tracing information.
1049
1050 Thu Sep 19 10:30:22 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1051
1052         * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
1053         (trace_input_func): Use them.
1054         (trace_input_func): Make sure there is a trailing space after the
1055         instruction.
1056         (OP_6200): Fix tracing info.
1057
1058         * Makefile.in (run): Add dependencies on libbfd.a and
1059         libiberity.a.
1060
1061 Wed Sep 18 09:13:25 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1062
1063         * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
1064         numbers and function names in debug trace.
1065         (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
1066         DEBUG_LINE_NUMBER.
1067         (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
1068         and exit system call trap being executed.
1069
1070         * interp.c (sim_stop_reason): Set exit code correctly for stop
1071         instruction and exit system call trap.
1072
1073         * configure.in (--enable-sim-cflags): Remove trace case.
1074         (--enable-sim-debug): New switch to set the debug values.
1075         * configure: Regenerate.
1076
1077         * simops.c (trace_{input,output}_func): Rename from
1078         trace_{input,output}.
1079         (trace_{input,output}): Call trace_{input,output}_func if
1080         d10v_debug is non-zero.
1081         (SIZE_INSTRUCTION): Cut down to 8.
1082         (SIZE_OPERANDS): Cut down to 18.
1083         (SIZE_LOCATION): New value for size of line number, function name
1084         field.
1085         (init_text_p,text{,_start,_end}): New static variables for
1086         printing line number and function name.
1087         (exec_bfd): New external that run.c sets.
1088         (trace_input_func): Print line number and function name if
1089         available and if desired.
1090         (OP_4E09): Don't print out DBT message.
1091         (OP_5FE0): Set exception field to SIG_D10V_STOP.
1092         (OP_5F00): Set exception field to SIG_D10V_EXIT.
1093
1094 Sat Sep 14 22:18:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1095
1096         * interp.c (do_2_short): If the instruction encodes jump->ins,
1097         don't do the second instruction if the jump succeeds.
1098
1099 Fri Sep 13 22:35:19 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1100
1101         * simops.c (OP_5F00): Use unknown traps to print all GPRs,
1102         accumulators, PC, and F0/F1/C flags.
1103
1104 Thu Sep 12 12:50:11 1996  Mark Alexander  <marka@cygnus.com>
1105
1106         * simops.c (OP_5F00): Fix problems with system calls.
1107
1108 Thu Sep 12 12:19:28 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1109
1110         * simops.c (OP_5F00): Correct tracing information for trap.
1111
1112 Wed Sep 11 18:55:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1113
1114         * Makefile.in (CSEARCH): Correctly find opcodes directory.
1115
1116 Mon Sep  9 13:27:26 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1117
1118         * simops.c (trace_output): Properly align accumulator output.
1119         (OP_3{0,2,4}00): Properly parenthesize test expression.  Add error
1120         if shift count is too high.
1121         (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
1122         (OP_4E09): Make cpfg properly trace the input flags.
1123         (op_types): Add OP_FLAG_OUTPUT.
1124         (trace_{input,output}): Support OP_FLAG_OUTPUT.
1125         (OP_31000000): This ld2w varient is a 16-bit memory reference, not
1126         an 8-bit memory reference instruction for tracing purposes.
1127         (OP_201): Addi needs to set the carry.
1128
1129 Fri Sep  6 17:56:17 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1130
1131         * simops.c (OP_2600, OP_2601): Changed min and max comparisons
1132         to use signed register values.
1133
1134 Wed Sep  4 11:35:17 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1135
1136         * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
1137         output.
1138         (_ins_type): New enumeration to specify which container an
1139         instruction is in, and whether it is part of a parallel operation.
1140         (_state): Add ins_type field.
1141         ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
1142         (ins_type_counters): Counters for the various instruction types.
1143         ({left,right}_nops): Counters for the number of nops in each
1144         container.
1145         (d10v_debug): New variable to indicate whether debugging is turned
1146         on.
1147
1148         * simops.c: (all functions): Change all #ifdef DEBUG code so that
1149         the input and output values can be traced, along with the
1150         instruction type.  Make the -t option enable tracing.
1151         (all functions): Change printf calls to use the printf_filtered
1152         function in the callback table.
1153
1154         * interp.c (_leftright): New enumeration to say whether 2 short
1155         instructions are done left first or right first.
1156         (do_{long,2_short,parallel}): Indicate in the machine state which
1157         type of instruction this is.  Count each of the types of
1158         instructions executed.
1159         (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
1160         flag is set.
1161         (sim_resume): Pass left/right indication to do_2_short.
1162         (all functions): Change printf calls to use the printf_filtered
1163         function in the callback table.
1164         (sim_trace): Turn on debug flag if DEBUG was defined, and call
1165         sim_resume.
1166         (sim_info): Print out statistics on instructions.
1167         (sim_{trace,create_inferior}): Eliminate extraneous output unless
1168         debugging.
1169         (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
1170         Only initialize the hash table the first time sim_open is called.
1171
1172         * Makefile.in: Make objects depend on d10v_sim.h.
1173         ({,SIM_}CFLAGS): Include configure dependent switches.  Setting
1174         CFLAGS does not override host/target defines or SIM_CFLAGS.
1175         (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
1176         (run): By default, the math library is not needed to be linked
1177         in.
1178         ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
1179         overridden.
1180         (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
1181         makes.
1182         ({run,callback}.o): Provide explicit paths to their appropriate
1183         source directories.
1184         (gencode{,.o},d10v-opc.o): Split compilation into creating object
1185         and linking.  Instead of linking in libopcodes.a, just compile
1186         d10v-opc.o directly to handle canadian cross.
1187         (CSEARCH): Add opcodes directory.
1188
1189         * configure.in (--enable-sim-cflags): New switch to allow user to
1190         set the defaults.
1191         (CC_FOR_BUILD): Deal with canadian crosses.
1192         * configure: Regenerate.
1193
1194 Wed Sep 04 04:45:34 1996  Mark Alexander  <marka@cygnus.com>
1195
1196         * simops.c: Include correct syscall.h for d10v, not host's.
1197         Fix #ifdef SYS_stat.
1198
1199 Tue Sep  3 14:00:04 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1200
1201         * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
1202         Add trap 2 to be printf and trap 3 to be putchar.
1203
1204 Wed Aug 28 21:42:34 1996  Mark Alexander  <marka@cygnus.com>
1205
1206         * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
1207         for low-level system calls.
1208
1209 Wed Aug 28 17:33:19 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1210
1211         * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
1212
1213 Mon Aug 26 18:30:28 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1214
1215         * d10v_sim.h (SEXT32): Added.
1216         * interp.c: Commented out printfs.
1217         * simops.c:  Fixed error in sb and st2w.
1218
1219 Thu Aug 15 13:30:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1220
1221         * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
1222         DSP instructions.  Added modulo addressing.
1223
1224 Sun Aug 11 12:57:15 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1225
1226         * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
1227
1228 Fri Aug  2 17:44:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1229
1230         * d10v_sim.h, simops.c: Snapshot.
1231
1232 Thu Aug  1 17:05:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
1233
1234         * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
1235         gencode.c, interp.c, simops.c: Created.
1236