sim/d10v/ChangeLog

   1 1999-01-26  Jason Molenda  (jsm@bugshack.cygnus.com)
   2
   3         * simops.c (OP_5605): Sign extend MIN32 and MAX32 before saturation
   4         comparison.
   5         (OP_5607): Ditto.
   6         (OP_2A00): Ditto.
   7         (OP_2800): Ditto.
   8
   9 1999-01-13  Jason Molenda  (jsm@bugshack.cygnus.com)
  10
  11         * simops.c (OP_1223): Sign extend MIN32 and MAX32 before saturation
  12         comparison.
  13
  14 Tue Nov 24 17:04:43 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  15
  16         * simops.c (sys/syscall.h): Include targ-vals.h instead.
  17         (SYS_*): Replace with TARGET_SYS_*.
  18
  19         * Makefile.in: Add dependency on targ-vals.h.
  20         (NL_TARGET): Define as NL_TARGET_d10v.
  21
  22 Wed Sep 30 00:06:32 1998  Andrew Cagney  <cagney@amy.cygnus.com>
  23
  24         * interp.c (xfer_mem): Missing break, instruction memory case
  25         flowed into unified memory case.
  26
  27 Wed Sep 30 10:14:18 1998  Nick Clifton  <nickc@cygnus.com>
  28
  29         * simops.c: If load instruction with auto increment/decrement
  30         addressing is used when the destination register is the same as
  31         the address register, then ignore the auto increment/decrement.
  32
  33 Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>
  34
  35         * configure: Regenerated to track ../common/aclocal.m4 changes.
  36
  37 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
  38
  39         * configure: Regenerated to track ../common/aclocal.m4 changes.
  40         * config.in: Ditto.
  41
  42 Sun Apr 26 15:20:23 1998  Tom Tromey  <tromey@cygnus.com>
  43
  44         * acconfig.h: New file.
  45         * configure.in: Reverted change of Apr 24; use sinclude again.
  46
  47 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
  48
  49         * configure: Regenerated to track ../common/aclocal.m4 changes.
  50         * config.in: Ditto.
  51
  52 Fri Apr 24 11:20:06 1998  Tom Tromey  <tromey@cygnus.com>
  53
  54         * configure.in: Don't call sinclude.
  55
  56 Fri Apr 24 11:04:46 1998  Andrew Cagney  <cagney@chook.cygnus.com>
  57
  58         * interp.c (struct hash_entry): OPCODE and MASK are unsigned.
  59
  60         * d10v_sim.h (remote-sim.h, sim-config.h): Include.
  61
  62 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  63
  64         * configure: Regenerated to track ../common/aclocal.m4 changes.
  65
  66 Wed Apr  1 12:59:17 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  67
  68         * simops.c (trace_input_func): Use move_from_cr / CREGS to obtain
  69         up-to-date CR value.
  70         (OP_OP_1000000, add3): Trace inputs before performing add.
  71         (OP_5F00, <*>): Trace input registers before making system call.
  72         (OP_5F00, <kill>): Trace R0, R1 not REGn.
  73         (OP_5F00, <getpid>): Always return 47.
  74
  75         * d10v_sim.h (SLOT, SLOT_NR, SLOT_PEND_MASK, SLOT_PEND,
  76         SLOT_DISCARD, SLOT_FLUSH): Define.  An implementation of write
  77         back slots.
  78         (struct _state): Add struct slot slot to global state variable.
  79         (struct _state): Delete fields SM, EA, DB, DM, IE, RP, MD, FX, ST,
  80         F0, F1, C from global State variable.
  81         (struct _state): Add struct trace to global State variable.
  82         (GPR, SET_GPR): Define.  SET_GPR uses SLOT_PEND.
  83         (PSW*, SET_PSW*): Define. SET_PSW* uses SET_CREG.
  84         (CREG, SET_CREG, SET_*): Define. SET_CREG uses func move_to_cr.
  85         (INC_ADDR): Re-implement.  Use SET_GPR to update registers.
  86         (JMP): Re-implement. Use SET_* to update registers.
  87
  88         * interp.c: Use new SET_* et.al. macros to fetch / store
  89         registers.
  90         (get_operands): Squirrel away trace values at start of each
  91         operand decode.
  92         (do_2_short): Flush pending writes before issuing second
  93         instruction.
  94         (sim_resume): Flush pending writes at end of instruction cycle.
  95         (sim_fetch_register, sim_store_register, sim_create_inferior):
  96         After scheduling updates to registers using SET_*, flush updates.
  97         (sim_resume): Re-order handling of RPT/repeat and IBA/hbreak so
  98         that each sets pc using SET_* and last SET_* eventually winds out.
  99
 100         * simops.c: Use new SET_* et.al. macros to fetch / store
 101         registers.
 102         (move_to_cr): Add MASK argument for selective update of CREG bits.
 103         Re-implement using new SET_* macros.
 104         (trace_output_func, trace_output): Delete. Replace with.
 105         (do_trace_output_flush, trace_output_finish, trace_output_40,
 106         trace_output_32, trace_output_16, trace_output_void,
 107         trace_output_flag): New functions.  Handle specific trace cases.
 108         (OP_*): Re-write tracing to use new trace_output_* functions.
 109         (OP_*): Re-write to use new SET_* et.al. macros.
 110         (FUNC, PARM[1-4], RETVAL, RETVAL32): Redo definition.
 111         (RETVAL_HIGH, RETVAL_LOW): Delete, use RETVAL32.
 112
 113 Wed Apr  1 12:55:18 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 114
 115         * configure.in (SIM_AC_OPTION_WARNINGS): Add.
 116         configure: Re-generate.
 117
 118 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 119
 120         * configure: Regenerated to track ../common/aclocal.m4 changes.
 121
 122 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 123
 124         * configure: Regenerated to track ../common/aclocal.m4 changes.
 125
 126 Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 127
 128         * configure: Regenerated to track ../common/aclocal.m4 changes.
 129
 130 Tue Feb 17 12:38:42 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 131
 132         * interp.c (sim_store_register, sim_fetch_register): Pass in
 133         length parameter.  Return -1.
 134
 135 Mon Oct 27 14:43:33 1997  Fred Fish  <fnf@cygnus.com>
 136
 137         * (dmem_addr): If address is illegal or in I/O space, signal a bus
 138         error.  Allocate unified memory on demand.  Fix DMEM address
 139         calculations.
 140
 141 Mon Feb 16 10:27:53 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 142
 143         * simops.c (OP_5F20): Implement "dbt".
 144         (OP_5F60): Implement "rtd".
 145
 146         * d10v_sim.h (DPC_CR): Define enum.
 147         (DBT_VECTOR_START): Define
 148         (DPSW, DPC): Define.
 149
 150 Fri Feb 13 15:15:58 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 151
 152         * simops.c (move_to_cr): Sync regs[SP_IDX] with State.sp according
 153         to PSW:SM.
 154
 155         * d10v_sim.h (struct _state): Add sp, as holding area for SPI/SPU.
 156         (SP_IDX): Define.
 157
 158 Wed Feb 11 16:53:49 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 159
 160         * simops.c (OP_5F00): Call error instead of abort for unknown
 161         syscalls.
 162
 163         * d10v_sim.h (enum): Define DPSW_CR.
 164
 165         * simops.c (move_to_cr): Mask out hardwired zero bits in DPSW.
 166
 167 Tue Feb 10 18:28:38 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 168
 169         * interp.c (sim_write_phys): Delete.
 170         (sim_load): Call sim_load_file with sim_write and LMA.
 171
 172 Mon Feb  9 12:05:01 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 173
 174         * interp.c: Rewrite xfer_mem so that it translates addresses as -
 175         0x00... - DMAP translated memory, 0x01... IMAP translated memory,
 176         0x10... - on-chip data, 0x11... - on-chip insn, 0x12... - unified
 177         memory.
 178         (pc_addr): Delete.
 179         (imem_addr): New function - translate IMEM address.
 180         (sim_resume): Use imem_addr to translate insn address, abort if
 181         translation failed.
 182         (sim_create_inferior): Write ARGV to memory using sim_write.  Pass
 183         argc/argv using r0/r1 not r2/r3.
 184         (sim_size): Do not initialize IMAP/DMAP here.
 185         (sim_open): Call sim_create_inferior and sim_size to initialize
 186         the system.
 187         (sim_create_inferior): Initialize IMAP/DMAP to hardware reset
 188         defaults.
 189         (init_system): Delete.
 190         (xfer_mem, sim_fetch_register, sim_store_register): Do not call
 191         init_system.
 192         (decode_pc): Check prog_bfd is defined before looking up .text
 193         section.
 194
 195 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 196
 197         * configure: Regenerated to track ../common/aclocal.m4 changes.
 198
 199 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 200
 201         * configure: Regenerated to track ../common/aclocal.m4 changes.
 202
 203 Sun Jan 25 22:23:01 1998  Michael Meissner  <meissner@cygnus.com>
 204
 205         * interp.c (sim_stop_reason): Exit status is now in r0, not r2.
 206
 207 Sat Jan 24 19:00:30 1998  Michael Meissner  <meissner@cygnus.com>
 208
 209         * d10v_sim.h (DEBUG_TRAP): New debug flag.
 210
 211         * simops.c (OP_5F00): If DEBUG_TRAP is on, turn traps 0-14 into
 212         printing the registers.
 213
 214 Thu Jan 22 17:54:01 1998  Michael Meissner  <meissner@cygnus.com>
 215
 216         * simops.c (op_types): New ABI, args are r0..r3, system call # is
 217         in r4.
 218         (trace_{in,out}put_func): Ditto.
 219         (OP_4900): Ditto.
 220         (OP_24800000): Ditto.
 221         (OP_4D00): Ditto.
 222         (OP_5F00): Ditto.
 223
 224 Thu Jan 22 14:30:36 1998  Fred Fish  <fnf@cygnus.com>
 225
 226         * interp.c (UMEM_SEGMENTS): New define, set to 128.
 227         (sim_size): Use UMEM_SEGMENTS rather than hardwired constant.
 228         (sim_close): Reset prog_bfd to NULL after closing it.  Also
 229         reset prog_bfd_was_opened_p after closing prog_bfd.
 230         (sim_load): Reset prog_bfd_was_opened_p after closing prog_bfd.
 231         (sim_create_inferior): Get start address from abfd not prog_bfd.
 232         (xfer_mem): Do bounds checking on addresses and return zero length
 233         read/write on bad addresses, rather than aborting.  Prepare to
 234         be able to handle xfers that cross segment boundaries, but not
 235         yet implemented.  Only emit debug message when d10v_debug is
 236         set as well as DEBUG being defined.
 237
 238 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 239
 240         * configure: Regenerated to track ../common/aclocal.m4 changes.
 241
 242 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 243
 244         * configure: Regenerated to track ../common/aclocal.m4 changes.
 245         * config.in: Ditto.
 246
 247 Tue Dec  9 10:28:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 248
 249         * d10v_sim.h (RPT_S): Index cregs with RPT_S_CR not RPT_E_CR.
 250         (BPSW): Ditto for BPSW_CR and not PSW_CR.
 251
 252         * simops.c (OP_5F40): JMP to BPC instead of assigning PC directly.
 253
 254 Mon Dec  8 12:58:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 255
 256         * simops.c (OP_5F00): From Martin Hunt <hunt@cygnus.com>. Change
 257         reserved trap from 0 to 15. Add trap emulation code for 0-14.
 258
 259         * interp.c (sim_resume): From Martin Hunt <hunt@cygnus.com>. Check
 260         IBA for SDBT.
 261
 262         * d10v_sim.h (AE_VECTOR_START, RIE_VECTOR_START,
 263         SDBT_VECTOR_START, TRAP_VECTOR_START): Define.
 264
 265         * simops.c (OP_5F00): For "trap", mask out all but SM bit in PSW,
 266         use move_to_cr.
 267         (OP_5F00): For "trap", update BPSW with move_to_cr.
 268
 269 Fri Dec  5 15:31:17 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 270
 271         * d10v_sim.h (enum): Enumerate CR register names.
 272         (enum): Enumerate PSW bit values.
 273         (PSW): Obtain value uing move_from_cr.
 274         (MOD_S, MOD_E, BPSW): Make r-values.
 275         (move_from_cr, move_to_cr): Declare functions.
 276
 277         * interp.c (sim_fetch_register, sim_store_register): Use
 278         move_from_cr and move_to_cr for CR register transfers.
 279
 280         * simops.c (move_from_cr, move_to_cr): New functions.
 281         (OP_5F40): Move BPSW to PSW using move_to_cr and move_from_cr.
 282         (OP_5600): For "mvtc", use function move_to_cr.
 283         (OP_5200): For "mvfc", use function move_from_cr.
 284
 285 Fri Dec  5 13:33:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 286
 287         * simops.c (OP_5600): For "mvtc" MOD_E and MOD_S, ensure that the
 288         LSbit is zero.
 289
 290 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 291
 292         * configure: Regenerated to track ../common/aclocal.m4 changes.
 293
 294 Thu Dec  4 16:51:02 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 295
 296         * d10v_sim.h (struct _state): Add DM - PSW debug mask.
 297
 298         * simops.c (OP_5600): For "mvtc", save PSW.DM.
 299         (OP_5200): Ditto for "mvfc".
 300
 301 Wed Dec  3 17:27:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 302
 303         * d10v_sim.h (SEXT56): Define.
 304
 305         * simops.c (OP_4201): For "rac", sign extend 56 bit value before
 306         it is shifted.
 307
 308         * d10v_sim.h (MAX32, MIN32, MASK32, MASK40): Re-define using
 309         SIGNED64 macro.
 310
 311 Tue Dec  2 15:38:34 1997  Fred Fish  <fnf@cygnus.com>
 312
 313         * interp.c (sim_resume): Call do_2_short with LEFT_FIRST or
 314         RIGHT_FIRST, as appropriate, instead of hardcoded ints that
 315         don't match enum values.
 316
 317 Tue Dec  2 15:01:08 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 318
 319         * simops.c (OP_3A00): For "macu", perform multiply stage using 32
 320         bit rather than 16 bit precision.
 321         (OP_3C00): For "mulxu", store unsigned product in ACC.
 322         (OP_3800): For "msbu", subtract unsigned product from ACC,
 323         (OP_0): For "sub", compute carry by comparing inputs.
 324
 325 Tue Dec  2 11:04:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 326
 327         * simops.c (OP_1000): For "sub2w", compute carry by comparing
 328         inputs.
 329
 330 Mon Nov 17 20:57:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 331
 332         * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
 333         carry indicated by value > 0xffff.
 334
 335 Fri Nov 14 12:51:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 336
 337         * interp.c (sim_resume): Don't set up SIGINT handler using signal,
 338         handled by client.
 339         (sim_resume): Fix race condition of a direct assignment to
 340         stop_simulator, conditionally call sim_stop.
 341         (sim_stop_reason): Check stop_simulator returning SIGINT.  Clear
 342         stop_simulator ready for next sim_resume call.
 343         (sim_ctrl_c): Delete function.
 344
 345 Thu Nov 13 19:29:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 346
 347         * interp.c (sim_resume): For "REP", only check/update the PC when
 348         a branch instruction has not been executed.
 349
 350 Mon Nov 10 17:50:18 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 351
 352         * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC.  Sign
 353         extend bit 44 all constants.
 354         (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
 355
 356 Fri Oct 24 10:26:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 357
 358         * d10v_sim.h: Include sim-types.h.
 359         (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
 360         using unsigned8 et.al. from sim-types.h.
 361         (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
 362         SIGNED64 macro.
 363
 364 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 365
 366         * interp.c (sim_write_phys): New function, write to physical
 367         instead of virtual memory.
 368
 369         * interp.c (sim_load): Pass lma_p and sim_write_phys to
 370         sim_load_file.
 371
 372 Mon Oct 13 10:55:07 1997  Fred Fish  <cygnus.com>
 373
 374         * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
 375         exception generation code to OP_6E01.
 376         (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
 377         generation code.
 378
 379 Sat Oct 11 09:02:08 1997  Fred Fish  <fnf@cygnus.com>
 380
 381         * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
 382         (OP_6601): Ditto.
 383
 384 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 385
 386         * configure: Regenerated to track ../common/aclocal.m4 changes.
 387
 388 Sat Sep 27 12:51:34 1997  Fred Fish  <fnf@cygnus.com>
 389
 390         * interp.c (pc_addr): Discard upper bit(s) of PC in case
 391         IMAP1 selects unified memory.
 392         * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
 393         for end condition.
 394
 395 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 396
 397         * configure: Regenerated to track ../common/aclocal.m4 changes.
 398
 399 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 400
 401         * configure: Regenerated to track ../common/aclocal.m4 changes.
 402
 403 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 404
 405         * configure: Regenerated to track ../common/aclocal.m4 changes.
 406
 407 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 408
 409         * configure: Regenerated to track ../common/aclocal.m4 changes.
 410
 411 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 412
 413         * configure: Regenerated to track ../common/aclocal.m4 changes.
 414
 415 Wed Sep 10 22:30:24 1997  Martin M. Hunt  <hunt@cygnus.com>
 416
 417         * interp.c (sim_resume): Increment PC at end of rep
 418         loop.
 419
 420         * simops.c (OP_4201): Fix rachi instruction.
 421
 422 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 423
 424         * configure: Regenerated to track ../common/aclocal.m4 changes.
 425
 426 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 427
 428         * configure: Regenerated to track ../common/aclocal.m4 changes.
 429         * config.in: Ditto.
 430
 431 Tue Aug 26 10:37:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 432
 433         * interp.c (sim_kill): Delete.
 434         (sim_create_inferior): Add ABFD argument.
 435         (sim_load): Move setting of PC from here.
 436         (sim_create_inferior): To here.
 437         (start_address): Delete variable.
 438
 439 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 440
 441         * configure: Regenerated to track ../common/aclocal.m4 changes.
 442         * config.in: Ditto.
 443
 444 Mon Aug 25 15:39:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 445
 446         * interp.c (sim_open): Add ABFD argument.
 447
 448 Tue May 20 10:14:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 449
 450         * interp.c (sim_open): Add callback argument.
 451         (sim_set_callbacks): Remove SIM_DESC argument.
 452
 453 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 454
 455         * configure: Regenerated to track ../common/aclocal.m4 changes.
 456
 457 Tue Apr 22 10:29:23 1997  Doug Evans  <dje@canuck.cygnus.com>
 458
 459         * interp.c (sim_open): Undo patch to add -E support.
 460
 461 Fri Apr 18 13:39:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 462
 463         * interp.c (sim_stop): New function.
 464
 465 Thu Apr 17 02:42:00 1997  Doug Evans  <dje@canuck.cygnus.com>
 466
 467         * Makefile.in (SIM_OBJS): Add sim-load.o.
 468         * d10v_sim.h (exec_bfd): Rename to prog_bfd.
 469         * interp.c: #include bfd.h.
 470         (myname, sim_kind, start_address): New static locals.
 471         (prog_bfd_was_opened_p, prog_bfd): New static locals.
 472         (decode_pc): Update to use prog_bfd.
 473         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 474         (sim_close): Close prog_bfd if simulator opened it.
 475         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 476         (sim_load): Return SIM_RC.  New arg abfd.  Set start address from bfd.
 477         Call sim_load_file to load file into simulator.
 478         * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
 479
 480 Wed Apr 16 16:12:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 481
 482         * simops.c (OP_5F00): Only provide system calls SYS_execv,
 483         SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
 484
 485 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 486
 487         * configure: Regenerated to track ../common/aclocal.m4 changes.
 488         * config.in: Ditto.
 489
 490 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 491
 492         * interp.c (sim_open): New arg `kind'.
 493
 494         * configure: Regenerated to track ../common/aclocal.m4 changes.
 495
 496 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 497
 498         * configure: Regenerated to track ../common/aclocal.m4 changes.
 499
 500 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 501
 502         * configure: Re-generate.
 503
 504 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 505
 506         * configure: Regenerate to track ../common/aclocal.m4 changes.
 507
 508         * simops.c (OP_5F00): Remove old traps 1-3.  Make trap 15 the same
 509         as trap 0, which will be deprecated.  Only set errno, if an error
 510         in fact was returned.
 511
 512 Thu Mar 13 12:41:20 1997  Doug Evans  <dje@canuck.cygnus.com>
 513
 514         * interp.c: Delete redundant prototypes of sim_foo fns.
 515         (sim_open): New SIM_DESC result.  Argument is now in argv form.
 516         (other sim_*): New SIM_DESC argument.
 517
 518 Thu Mar 13 10:29:04 1997  Michael Meissner  <meissner@cygnus.com>
 519
 520         * simops.c (trace_{input,output}_func): Call flush_stdout from the
 521         callback functions.
 522         (OP_5F00): Ditto.
 523         (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
 524         (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
 525         setting the carry bit after an add or a subtract.
 526
 527 Wed Feb 12 16:04:15 1997  Michael Meissner  <meissner@cygnus.com>
 528
 529         * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
 530         40 bits of accumulators.  Sign/zero extend as appropriate.
 531
 532 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 533
 534         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 535         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 536         * configure.in: sinclude ../common/aclocal.m4.
 537         * configure: Regenerated.
 538
 539 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 540
 541         * configure configure.in Makefile.in:  Update to new configure
 542         scheme which is more compatible with WinGDB builds.
 543         * configure.in:  Improve comment on how to run autoconf.
 544         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 545         * Makefile.in:  Use autoconf substitution to install common
 546         makefile fragment.
 547
 548 Fri Dec 27 22:54:05 1996  Angela Marie Thomas (angela@cygnus.com)
 549
 550         * gencode.c: patch to not #include "d10v_sim.h" which
 551         unecessarily includes bfd.h and causes wingdb configure
 552         to fail.
 553
 554 Mon Dec 16 13:39:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 555
 556         * interp.c (xfer_mem): Change unified memory to 0x0.
 557
 558 Thu Nov 28 20:42:56 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 559
 560         * simops.c (OP_3E01): Fix tracing information.
 561         (OP_300{0,1}): Do not propigate sign.
 562
 563 Mon Nov 25 19:47:40 1996  Doug Evans  <dje@canuck.cygnus.com>
 564
 565         * config.in (WORDS_BIGENDIAN): Add.
 566         * configure: Regenerated.
 567         * d10v_sim.h: #include "config.h"
 568
 569 Sat Nov 23 09:34:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 570
 571         * gencode.c (write_opcodes): Eliminate warnings when generated
 572         table.c is compiled.
 573
 574 Wed Nov 20 19:41:40 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 575
 576         * interp.c (sim_open): Cast result of calloc, and make sure NULL
 577         was not returned.
 578         (dmem_addr): If address is illegal or in I/O space, signal a bus
 579         error.
 580         (pc_addr): Signal bus error, not illegal instruction for bogus
 581         pc.
 582
 583 Wed Nov 20 01:23:03 1996  Doug Evans  <dje@canuck.cygnus.com>
 584
 585         * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
 586         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
 587         * configure.in: Simplify using macros in ../common/aclocal.m4.
 588         Call AC_CHECK_HEADERS(unistd.h).
 589         * configure: Regenerated.
 590         * config.in: New file.
 591         * interp.c: #include "callback.h".
 592         * simops.c: #include "config.h".  #include <unistd.h> if present.
 593
 594 Fri Nov  8 16:19:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 595
 596         * d10v-sim.h (simops): Add flag is_long.
 597         (State): Add pc_changed.  Instructions which update the PC should
 598         use the JMP macro which sets this.
 599         (JMP): New macro.  Sets the PC and the pc_changed flag.
 600
 601         * gencode.c (write_opcodes): Add is_long field.
 602
 603         * interp.c (lookup_hash): If we blindly apply a short opcode's mask
 604         to a long opcode we could get a false match.  Check the opcode size.
 605         (hash): Add a size field to the hash table.
 606         (sim_open): Initialize size field in hash table.
 607         (sim_resume): Change to logic for setting the PC.  Used to increment the
 608         PC if it had not been changed.  This didn't allow single-instruction loops.
 609         Now checks the flag State.pc_changed.  Also now stops when ^C is received.
 610         (dmem_addr): Fix translation of data segments to unified memory.
 611         (sim_ctrl_c): New function.  When ^C is received, set stop_simulator flag.
 612
 613         * simops.c: Changed all branch and jump instructions to use new JMP macro.
 614         (OP_20000000): Corrected trace information to show this is a ldi.l, not
 615         a ldi.s instruction.
 616
 617 Thu Oct 31 19:13:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 618
 619         * interp.c (sim_fetch_register, sim_store_register): Fix bug where
 620         updating the accumulators was overwriting other parts of the global
 621         State variable.
 622
 623 Wed Oct 30 17:35:14 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 624
 625         * interp.c (bfd.h) Don't include it here any more.
 626         (text{,_start,_end}): Move here from simops.c and make extern.
 627         (decode_pc): New function to return the PC as an address that the
 628         debugger can use.
 629         (dmem_addr): Print decoded PC in error message.
 630         (pc_addr): Ditto.
 631
 632         * simops.c (bfd.h) Don't include it here any more.
 633         (text{,_start,_end}): Move to simops.c.
 634         (trace_input_func): Move decoding of PC, and looking up .text
 635         start to decode_pc.
 636
 637         * d10v_sim.h (bfd.h): Include it here.
 638         (text{,_start,_end}): Add external declarations.
 639         (exec_bfd): Ditto.
 640         (decode_pc): Ditto.
 641
 642 Tue Oct 29 12:13:52 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 643
 644         * interp.c (sim_size): Now allocates unified memory for imap segments
 645         0,1,2, and 127. Initializes imap0 and imap1 to 0x1000.  Initializes dmap to 0.
 646         (sim_write): Just call xfer_mem().
 647         (sim_read): Just call xfer_mem().
 648         (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
 649         (dmem_addr): New function. Reads dmap register and translates data
 650         addresses to local addresses.
 651         (pc_addr): New function. Reads imap register and computes local address
 652         corresponding to contents of the PC.
 653         (sim_resume): Change to use pc_addr().
 654         (sim_create_inferior): Change reinitialization code. Also reinitializes
 655         imap[01] and dmap.
 656         (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
 657         (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
 658
 659         * simops.c (MEMPTR): Redefine to use dmem_addr().
 660         (OP_5F00): Replace references to STate.imem with dmem_addr().
 661
 662         * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
 663         (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
 664         (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
 665
 666 Tue Oct 22 15:22:33 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 667
 668         * d10v_sim.h (_ins_type): Reorganize, so that we can provide
 669         better statistics, like not counting NOPS as parallel
 670         instructions, and printing total cycles.
 671         (ins_type_counters): Make unsigned long.
 672         (left_nops,right_nops): Fold into ins_type_counters.
 673
 674         * simops.c (trace_input_func): Print new instruction types.
 675         Handle OP_R2R3 as input types.
 676         (OP_{38000000,7000}): Correctly sign extend bytes.
 677         (OP_5E00): Don't count NOPs as parallel instructions.
 678         (OP_460B): Remove unused variable.
 679         (OP_5F00): Ditto.
 680
 681         * interp.c (ins_type_counters): Make unsigned long.
 682         (left_nops,right_nops): Delete.
 683         (most functions): Add prototypes.
 684         (INLINE): If GCC and optimize define as __inline__.
 685         ({,lookup_}hash,get_operands): Declare as INLINE.
 686         (do_parallel): Count conditional operations.
 687         (add_commas): New function, to add commas every 3 digits.
 688         (sim_size): Call add_commas to print numbers.
 689         (sim_{open,resume}): Delete unused variables.
 690         (sim_info): Provide better statistics.
 691         (sim_read): Add int return type.
 692
 693 Mon Oct 21 16:16:26 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 694
 695         * interp.c (sim_resume): Change the way single-stepping and exceptions
 696         are handled so single-stepping works again.
 697
 698 Thu Oct 17 12:24:16 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 699
 700         * endian.c: Optimize simulated loads/stores on x86, AIX, and big
 701         endian hosts.
 702
 703         * configure.in (--enable-sim-bswap): New switch to enable using
 704         the BSWAP instruction on x86's.
 705         * configure: Regenerate.
 706
 707         * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
 708         support.
 709
 710 Wed Oct 16 13:50:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 711
 712         * endian.c: New file.  Move endian functions here from interp.c.
 713         Optimize code, and make it work as either inline functions or as a
 714         separate file.
 715
 716         * interp.c: Move endian functions from here to endian.c.
 717
 718         * Makefile.in (INCLUDE): Add endian.c.
 719         (run,libsim.a): Add dependency on endian.o.
 720         (endian.o): Add dependency.
 721
 722         * d10v_sim.h (read/write support): Always go through the machine
 723         independent endian functions.  If compiling with GCC and
 724         optimizing, include endian.c so the endian functions are inlined.
 725
 726         * simops.c (OP_5F00): Correct tracing of accumulators.
 727
 728 Tue Oct 15 10:57:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 729
 730         * simops.c (OP_5F00): Add support for getpid, kill system calls.
 731
 732         * interp.c (do_{2_short,parallel}): If an exception is raised,
 733         don't execute the second instruction.
 734
 735 Sat Oct 12 22:17:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 736
 737         * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
 738         temporary in case the register is overriden when loading.
 739         (OP_6200): Output type is OP_DREG for tracing.
 740
 741 Fri Oct  4 23:46:18 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 742
 743         * d10v_sim.h (struct _state): Add mem_{min,max} fields.
 744
 745         * interp.c (sim_size): Initialize mem_{min,max} fields.
 746         (sim_write): Update mem_{min,max} fields.
 747         (sim_resume): If PC is not in the minimum/maximum memory range,
 748         abort.
 749         (sim_create_inferior): Preserve mem_{min,max} fields.
 750
 751 Fri Sep 27 13:11:58 1996  Mark Alexander  <marka@cygnus.com>
 752
 753         * simops.c (OP_5F00): Add support for time() system call.
 754
 755 Wed Sep 25 16:31:41 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 756
 757         * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
 758         stored if tracing.
 759         (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
 760         system calls.
 761
 762 Mon Sep 23 17:55:30 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 763
 764         * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
 765         (trace_input_func): Add support for  OP_{CONSTANT8,R2,R3}.
 766         (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
 767         to call/subroutine returns to trace the first two arguments and
 768         the return value.  For small jumps, use CONSTANT8, not CONSTANT16.
 769
 770 Fri Sep 20 15:36:45 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 771
 772         * interp.c (sim_create_inferior): Reinitialize State every time
 773         sim_create_inferior() is called.
 774
 775 Thu Sep 19 21:38:20 1996  Michael Meissner  <meissner@wogglebug.ziplink.net>
 776
 777         * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
 778         on comparisons.
 779         (OP_401): Fix tracing information.
 780
 781 Thu Sep 19 10:30:22 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 782
 783         * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
 784         (trace_input_func): Use them.
 785         (trace_input_func): Make sure there is a trailing space after the
 786         instruction.
 787         (OP_6200): Fix tracing info.
 788
 789         * Makefile.in (run): Add dependencies on libbfd.a and
 790         libiberity.a.
 791
 792 Wed Sep 18 09:13:25 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 793
 794         * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
 795         numbers and function names in debug trace.
 796         (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
 797         DEBUG_LINE_NUMBER.
 798         (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
 799         and exit system call trap being executed.
 800
 801         * interp.c (sim_stop_reason): Set exit code correctly for stop
 802         instruction and exit system call trap.
 803
 804         * configure.in (--enable-sim-cflags): Remove trace case.
 805         (--enable-sim-debug): New switch to set the debug values.
 806         * configure: Regenerate.
 807
 808         * simops.c (trace_{input,output}_func): Rename from
 809         trace_{input,output}.
 810         (trace_{input,output}): Call trace_{input,output}_func if
 811         d10v_debug is non-zero.
 812         (SIZE_INSTRUCTION): Cut down to 8.
 813         (SIZE_OPERANDS): Cut down to 18.
 814         (SIZE_LOCATION): New value for size of line number, function name
 815         field.
 816         (init_text_p,text{,_start,_end}): New static variables for
 817         printing line number and function name.
 818         (exec_bfd): New external that run.c sets.
 819         (trace_input_func): Print line number and function name if
 820         available and if desired.
 821         (OP_4E09): Don't print out DBT message.
 822         (OP_5FE0): Set exception field to SIG_D10V_STOP.
 823         (OP_5F00): Set exception field to SIG_D10V_EXIT.
 824
 825 Sat Sep 14 22:18:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 826
 827         * interp.c (do_2_short): If the instruction encodes jump->ins,
 828         don't do the second instruction if the jump succeeds.
 829
 830 Fri Sep 13 22:35:19 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 831
 832         * simops.c (OP_5F00): Use unknown traps to print all GPRs,
 833         accumulators, PC, and F0/F1/C flags.
 834
 835 Thu Sep 12 12:50:11 1996  Mark Alexander  <marka@cygnus.com>
 836
 837         * simops.c (OP_5F00): Fix problems with system calls.
 838
 839 Thu Sep 12 12:19:28 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 840
 841         * simops.c (OP_5F00): Correct tracing information for trap.
 842
 843 Wed Sep 11 18:55:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 844
 845         * Makefile.in (CSEARCH): Correctly find opcodes directory.
 846
 847 Mon Sep  9 13:27:26 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 848
 849         * simops.c (trace_output): Properly align accumulator output.
 850         (OP_3{0,2,4}00): Properly parenthesize test expression.  Add error
 851         if shift count is too high.
 852         (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
 853         (OP_4E09): Make cpfg properly trace the input flags.
 854         (op_types): Add OP_FLAG_OUTPUT.
 855         (trace_{input,output}): Support OP_FLAG_OUTPUT.
 856         (OP_31000000): This ld2w varient is a 16-bit memory reference, not
 857         an 8-bit memory reference instruction for tracing purposes.
 858         (OP_201): Addi needs to set the carry.
 859
 860 Fri Sep  6 17:56:17 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 861
 862         * simops.c (OP_2600, OP_2601): Changed min and max comparisons
 863         to use signed register values.
 864
 865 Wed Sep  4 11:35:17 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 866
 867         * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
 868         output.
 869         (_ins_type): New enumeration to specify which container an
 870         instruction is in, and whether it is part of a parallel operation.
 871         (_state): Add ins_type field.
 872         ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
 873         (ins_type_counters): Counters for the various instruction types.
 874         ({left,right}_nops): Counters for the number of nops in each
 875         container.
 876         (d10v_debug): New variable to indicate whether debugging is turned
 877         on.
 878
 879         * simops.c: (all functions): Change all #ifdef DEBUG code so that
 880         the input and output values can be traced, along with the
 881         instruction type.  Make the -t option enable tracing.
 882         (all functions): Change printf calls to use the printf_filtered
 883         function in the callback table.
 884
 885         * interp.c (_leftright): New enumeration to say whether 2 short
 886         instructions are done left first or right first.
 887         (do_{long,2_short,parallel}): Indicate in the machine state which
 888         type of instruction this is.  Count each of the types of
 889         instructions executed.
 890         (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
 891         flag is set.
 892         (sim_resume): Pass left/right indication to do_2_short.
 893         (all functions): Change printf calls to use the printf_filtered
 894         function in the callback table.
 895         (sim_trace): Turn on debug flag if DEBUG was defined, and call
 896         sim_resume.
 897         (sim_info): Print out statistics on instructions.
 898         (sim_{trace,create_inferior}): Eliminate extraneous output unless
 899         debugging.
 900         (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
 901         Only initialize the hash table the first time sim_open is called.
 902
 903         * Makefile.in: Make objects depend on d10v_sim.h.
 904         ({,SIM_}CFLAGS): Include configure dependent switches.  Setting
 905         CFLAGS does not override host/target defines or SIM_CFLAGS.
 906         (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
 907         (run): By default, the math library is not needed to be linked
 908         in.
 909         ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
 910         overridden.
 911         (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
 912         makes.
 913         ({run,callback}.o): Provide explicit paths to their appropriate
 914         source directories.
 915         (gencode{,.o},d10v-opc.o): Split compilation into creating object
 916         and linking.  Instead of linking in libopcodes.a, just compile
 917         d10v-opc.o directly to handle canadian cross.
 918         (CSEARCH): Add opcodes directory.
 919
 920         * configure.in (--enable-sim-cflags): New switch to allow user to
 921         set the defaults.
 922         (CC_FOR_BUILD): Deal with canadian crosses.
 923         * configure: Regenerate.
 924
 925 Wed Sep 04 04:45:34 1996  Mark Alexander  <marka@cygnus.com>
 926
 927         * simops.c: Include correct syscall.h for d10v, not host's.
 928         Fix #ifdef SYS_stat.
 929
 930 Tue Sep  3 14:00:04 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 931
 932         * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
 933         Add trap 2 to be printf and trap 3 to be putchar.
 934
 935 Wed Aug 28 21:42:34 1996  Mark Alexander  <marka@cygnus.com>
 936
 937         * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
 938         for low-level system calls.
 939
 940 Wed Aug 28 17:33:19 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 941
 942         * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
 943
 944 Mon Aug 26 18:30:28 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 945
 946         * d10v_sim.h (SEXT32): Added.
 947         * interp.c: Commented out printfs.
 948         * simops.c:  Fixed error in sb and st2w.
 949
 950 Thu Aug 15 13:30:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 951
 952         * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
 953         DSP instructions.  Added modulo addressing.
 954
 955 Sun Aug 11 12:57:15 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 956
 957         * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
 958
 959 Fri Aug  2 17:44:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 960
 961         * d10v_sim.h, simops.c: Snapshot.
 962
 963 Thu Aug  1 17:05:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 964
 965         * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
 966         gencode.c, interp.c, simops.c: Created.
 967