sim/d30v/ChangeLog

   1 Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * configure: Regenerated to track ../common/aclocal.m4 changes.
   4
   5 Wed Sep  1 11:38:21 1999  Andrew Cagney  <cagney@b1.cygnus.com>
   6
   7         * d30v-insns: Cast CIA to LONG in printfs.
   8
   9 Tue Aug 31 01:32:22 1999  Andrew Cagney  <cagney@b1.cygnus.com>
  10
  11         * cpu.h (unqueue_writes): Add declaration.
  12
  13 1999-05-27  Michael Meissner  <meissner@cygnus.com>
  14
  15         * d30v-insns (do_repeat): Print a warning if a REPEAT or REPEATI
  16         instruction loop is too small.
  17
  18 1999-05-08  Felix Lee  <flee@cygnus.com>
  19
  20         * configure: Regenerated to track ../common/aclocal.m4 changes.
  21
  22 1999-03-16  Martin Hunt  <hunt@cygnus.com>
  23         From Frank Ch. Eigler  <fche@cygnus.com>
  24
  25         * cpu.h (mvtsys_left_p): New flag for MVTSYS instruction history.
  26         * d30v-insns (mvtsys): Set this flag instead of left_kills_right_p.
  27         (do_sath): Detect MVTSYS by new flag.
  28         * engine.c (unqueue_writes): Detect MVTSYS by new flag.
  29         (do_2_short, do_parallel): Initialize new flag.
  30
  31 1999-02-26  Frank Ch. Eigler  <fche@cygnus.com>
  32
  33         * tconfig.in (SIM_HANDLES_LMA): Make it so.
  34
  35 1999-01-12  Frank Ch. Eigler  <fche@cygnus.com>
  36
  37         * engine.c (unqueue_writes): Make PSW conflict resolution code
  38         conditional - disable it for MVTSYS || insn case.
  39
  40 1999-01-11  Frank Ch. Eigler  <fche@cygnus.com>
  41
  42         * d30v-insns (do_sath): Drain PSW write queue before PSW_S_FLAG
  43         update.
  44         * engine.c (unqueue_writes): Make non-static.  Remove PSW_V/VA
  45         special case.
  46         (do_parallel): Don't drain PSW write queue for MVTSYS || insn.
  47
  48 1999-01-07  Frank Ch. Eigler  <fche@cygnus.com>
  49
  50         * d30v-insns (do_ld2h): Sign-extend loaded half-words.
  51
  52 1999-01-05  Frank Ch. Eigler  <fche@cygnus.com>
  53
  54         * d30v-insns (do_ld2h): Read memory in word units.
  55         (do_ld4bh): Ditto.  Correct sign extension.
  56         (do_ld4bhu): Ditto.
  57         (do_st2h): Write memory in word units.
  58         (do_st4hb): Ditto.
  59         (st4hb): Correct mnemonic in igen template.
  60
  61 1998-12-08  Frank Ch. Eigler  <fche@cygnus.com>
  62
  63         * d30v-insns: (do_ld2h): Don't update R0 nor R1 for double-word insn.
  64         (do_ld2w): Ditto.
  65         (do_ld4bh): Ditto.
  66         (do_ld4bhu): Ditto.
  67         (do_mulx2h): Ditto.
  68
  69 1998-12-03  Frank Ch. Eigler  <fche@cygnus.com>
  70
  71         * d30v-insns (do_repeat): Don't set RP for repeat count 1.
  72
  73 1998-12-03  Frank Ch. Eigler  <fche@cygnus.com>
  74
  75         * d30v-insns (do_src): Treat shift count -32 naturally instead of
  76         producing zero result.
  77
  78 1998-11-22  Frank Ch. Eigler  <fche@cygnus.com>
  79
  80         * d30v-insns (do_src): Limit SRC shift count to -32 .. 31.
  81
  82 1998-11-16  Frank Ch. Eigler  <fche@cygnus.com>
  83
  84         * d30v-insns (dbt): Defer PSW/DPSW update with new DID_TRAP code 2.
  85         * engine.c (unqueue_writes): Perform DBT processing on PSW/DPSW here.
  86
  87 1998-11-12  Frank Ch. Eigler  <fche@cygnus.com>
  88
  89         * cpu.h (_sim_cpu): Removed is_delayed_call field, and associated
  90         RPT_IS_CALL macro.
  91         * sim-calls.c (sim_create_inferior): Don't initialize is_delayed_call.
  92         * d30v-insns (do_dbra): Don't clear RPT_IS_CALL. (do_dbrai): Ditto.
  93         (do_djmp): Ditto. (do_djmpi): Ditto. (do_repeat): Ditto.
  94         * d30v-insns (do_dbsr): Don't set RPT_IS_CALL, but set R62 instead.
  95         (do_dbsri): Ditto. (do_djsr): Dito. (do_djsri): Ditto.
  96         * engine.c (sim_engine_run): Remove conditional setting of R62 based
  97         upon RPT_IS_CALL.
  98
  99 1998-11-08  Frank Ch. Eigler  <fche@cygnus.com>
 100
 101         * sim-calls.c (sim_open): Add dummy memory range over control
 102         register region (0x40000000..0x4000FFFF).
 103
 104 1998-11-06  Frank Ch. Eigler  <fche@cygnus.com>
 105
 106         * d30v-insns (do_mvfacc): Use loop to limit shift count to 63 .. 0.
 107
 108 Tue Oct 13 11:01:16 1998  Frank Ch. Eigler  <fche@cygnus.com>
 109
 110         * d30v-insns (do_sra,do_srah,do_srl,do_srlh): Make shift
 111         count -32 to produce zero result.
 112         (do_src): Ditto for shift count == -64.
 113
 114 Mon Oct 12 23:04:11 1998  Frank Ch. Eigler  <fche@cygnus.com>
 115
 116         * d30v-insns (ROT): Use 0x1f bit mask for rotate count masking.
 117         (do_sra,do_srl): Use loop to limit shift count to -32 .. 31.
 118         (do_srah,do_srlh): Use loop to limit shift count to -32 .. 31.
 119         (sra2h,srl2h): Use loop to limit shift count to -16 .. 15.
 120         (do_src): Use loop to limit shift count to -64 .. 63.
 121
 122 Fri Oct  9 16:46:52 1998  Doug Evans  <devans@canuck.cygnus.com>
 123
 124         * sim-calls.c (get_insn_name): New fn.
 125         (sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
 126         * sim-main.h (MAX_INSNS,INSN_NAME): Delete.
 127
 128 Mon Sep 28 10:43:28 1998  Frank Ch. Eigler  <fche@cygnus.com>
 129
 130         * d30v-insns (do_sra,do_srah,do_srl,do_srlh,ROT,do_src): Use
 131         correct MSB bit numbers for sign extension masks.
 132
 133 Fri Sep 25 17:32:27 1998  Frank Ch. Eigler  <fche@cygnus.com>
 134
 135         * engine.c (do_parallel): Unqueue writes if MU instruction was
 136         a MVTSYS, as identified by its left_kills_right_p side-effect.
 137
 138 Fri Sep 25 12:31:34 1998  Frank Ch. Eigler  <fche@cygnus.com>
 139
 140         * d30v-insns (do_sra,do_srah,do_srl,do_srlh,ROT,do_src): Mask
 141         shift/rotate counts to number of bits in width of operand; no
 142         longer saturate at maxima.
 143
 144 Tue Jul 14 18:39:23 1998  Frank Ch. Eigler  <fche@cygnus.com>
 145
 146         * cpu.h (left_kills_right_p): New flag for non-branch instructions
 147         that, when executed in left slot of a -> sequential pair, kill the
 148         right slot.
 149         * d30v-insns (mvtsys): Set flag for PSW/PSWh/PSWl/FLAG operands.
 150         * engine.c (do_2_short): Respect flag.
 151
 152 Thu Jun  4 16:48:58 1998  David Taylor  <taylor@texas.cygnus.com>
 153
 154         * d30v-insns (do_trap): don't save the bPSW and PSW based on
 155         current values because an instruction done in parallel with
 156         the trap might change them, instead set a flag do that
 157         unqueue_writes will take care of it.
 158         * engine.c (unqueue_writes): finish trap handling
 159         * cpu.h (_sim_cpu): add new field did_trap and a macro DID_TRAP
 160         to make use of it; set by do_trap, tested and cleared by
 161         unqueue_writes.
 162
 163 Tue May 19 16:07:04 1998  Frank Ch. Eigler  <fche@cygnus.com>
 164
 165         * engine.c (unqueue_writes): Suppress the all enqueued writes to
 166         the same flags in PSW except the last.
 167
 168 Fri May 15 11:38:59 1998  Frank Ch. Eigler  <fche@cygnus.com>
 169
 170         * d30v-insns (RETI): Correct instruction spelling to "reit".
 171
 172 Thu May 14 09:34:20 1998  Frank Ch. Eigler  <fche@cygnus.com>
 173
 174         * d30v-insns (dbt): Handle DBT at end of repeat block.
 175         (do_trap, dbt): Clear PSW_RP if at end of repeat block.
 176
 177 Thu May 14 07:41:41 1998  Frank Ch. Eigler  <fche@cygnus.com>
 178
 179         * engine.c (sim_engine_run): Trigger DDBT based on previous PC,
 180         instead of next PC.
 181
 182 Wed May 13 11:03:40 1998  Frank Ch. Eigler  <fche@cygnus.com>
 183
 184         * engine.c (sim_engine_run): Move DDBT handling after instruction
 185         decode/execute stage.
 186
 187 Tue May 12 12:14:53 1998  Frank Ch. Eigler  <fche@cygnus.com>
 188
 189         * d30v-insns (do_sat*): Correct "saturate to 0 bits" patch to
 190         properly handle negative saturation inputs.
 191
 192 Tue May 12 11:11:26 1998  Frank Ch. Eigler  <fche@cygnus.com>
 193
 194         * engine.c (sim_engine_run): Decrement RPT_C only under more
 195         restricted conditions.
 196
 197 Mon May 11 17:33:46 1998  Frank Ch. Eigler  <fche@cygnus.com>
 198
 199         * d30v-insns (do_sat*): Make "saturate to 0 bits" pass through data
 200         unchanged.
 201
 202 Mon May 11 16:27:04 1998  Frank Ch. Eigler  <fche@cygnus.com>
 203
 204         * engine.c (sim_engine_run): Implement DDBT (debugger debug trap)
 205         functionality.
 206
 207 Fri May  8 16:44:19 1998  Frank Ch. Eigler  <fche@cygnus.com>
 208
 209         * d30v-insns (do_trap): Set bPC to RPT_S if trap is last
 210         instruction in repeat block.
 211         (bsr*/jsr*): Set R62 (LINK) to RPT_S if subroutine branch
 212         is last instruction in repeat block.
 213
 214 Fri May  8 11:06:50 1998  Frank Ch. Eigler  <fche@cygnus.com>
 215
 216         * d30v-insns (do_sath): Query/update F4/PSW_S using proper flag
 217         macro.
 218         * cpu.h (PSW_S_FLAG): New flag number for PSW_S status bit.
 219
 220 Wed May  6 19:40:56 1998  Doug Evans  <devans@canuck.cygnus.com>
 221
 222         * sim-main.h (INSN_NAME): New arg `cpu'.
 223
 224 Fri May  1 14:24:30 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 225
 226         * d30v-insns: Fix parameter list to sim_engine_abort.
 227
 228 Thu Apr 30 14:28:00 1998  Fred Fish  <fnf@cygnus.com>
 229
 230         * d30v-insns (do_sath): Add additional argument that determines
 231         whether or not the F4 (PSW_S) bit in the PSW is updated.
 232         (SAT2H): Do not update PSW_S bit.
 233         (SATHp): Do update PSW_S bit.
 234
 235 Tue Apr 28 23:36:00 1998  Fred Fish  <fnf@cygnus.com>
 236
 237         * d30v-insns (SRAHp, SRLHp):  Immediate values are signed 6 bit
 238         values, not 5 bit values.
 239
 240 Wed Apr 29 12:57:55 1998  Frank Ch. Eigler  <fche@cygnus.com>
 241
 242         * d30v-insns (do_incr): Check modular arithmetic limits after
 243         postincrement/postdecrement, rather than before, to match
 244         erroneous hardware behavior.
 245
 246 Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>
 247
 248         * configure: Regenerated to track ../common/aclocal.m4 changes.
 249
 250 Mon Apr 27 19:42:00 1998  Fred Fish  <fnf@cygnus.com>
 251
 252         * d30v-insns (do_trap): Clear all bits in PSW except SM and DB.
 253
 254 Mon Apr 27 14:55:00 1998  Fred Fish  <fnf@cygnus.com>
 255
 256         * d30v-insns (do_mulx2h): Low order results go in ra+1, high
 257         order in ra.
 258
 259 Mon Apr 27 14:42:00 1998  Fred Fish  <fnf@cygnus.com>
 260
 261         * d30v-insns (do_mulx2h): Rewrite to do proper 32 bit signed
 262         multiply of high and low fields from operands.
 263
 264 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
 265
 266         * configure: Regenerated to track ../common/aclocal.m4 changes.
 267         * config.in: Ditto.
 268
 269 Sun Apr 26 15:20:20 1998  Tom Tromey  <tromey@cygnus.com>
 270
 271         * acconfig.h: New file.
 272         * configure.in: Reverted change of Apr 24; use sinclude again.
 273
 274 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
 275
 276         * configure: Regenerated to track ../common/aclocal.m4 changes.
 277         * config.in: Ditto.
 278
 279 Fri Apr 24 11:20:00 1998  Tom Tromey  <tromey@cygnus.com>
 280
 281         * configure.in: Don't call sinclude.
 282
 283 Wed Apr 22 21:23:00 1998  Fred Fish  <fnf@cygnus.com>
 284
 285         * ic-d30v (RbU, RcU): Unsigned versions of Rb and Rc.
 286         * d30v-insns (MVTACC): Use new RbU and RcU macros.
 287
 288 Wed Apr 22 20:52:00 1998  Fred Fish  <fnf@cygnus.com>
 289
 290         * ic-d30v (RbHU,RbLU): Unsigned versions of RbH and RbL.
 291         * d30v-insns (SRL2H): Use new RbHU and RbLU macros instead of
 292         RbH and RbL.
 293
 294 Mon Apr 13 16:59:00 1998  Fred Fish  <fnf@cygnus.com>
 295
 296         * d30v-insns (do_srl): Avoid undefined behavior of host compiler
 297         when shifting left by more than 31 bits.
 298
 299 Tue Apr  7 18:09:00 1998  Fred Fish  <fnf@cygnus.com>
 300
 301         * engine.c (sim_engine_run): Remove at_loop_end variable. Add
 302         rp_was_set and rpt_c_was_nonzero variables.  Major restructuring of
 303         code before and after instruction execution to properly handle state
 304         of the RP bit in the PSW, the value in RPT_C, and other loop related
 305         problems.
 306
 307 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 308
 309         * configure: Regenerated to track ../common/aclocal.m4 changes.
 310
 311 Fri Apr  3 15:26:00 1998  Fred Fish  <fnf@cygnus.com>
 312
 313         * d30v-insns (do_trap): Use offset from EIT_VB rather than hardcoded
 314         BASE_ADDRESS constant.
 315         * cpu.h (BASE_ADDRESS): Remove constant not used any longer.
 316
 317 Fri Apr  3 14:42:00 1998  Fred Fish  <fnf@cygnus.com>
 318
 319         * cpu.h (EIT_VB): Define macro to access EIT_VB register.
 320         (EIT_VB_DEFAULT): Define value of EIT_VB register after reset.
 321         * sim-calls.c (sim_create_inferior): Set EIT_VB to EIT_VB_DEFAULT.
 322
 323 Tue Mar 31 19:00:00 1998  Fred Fish <fnf@cygnus.com>
 324
 325         * d30v-insns (do_dbrai): RPT_S is cia plus pcdisp rather than
 326         just pcdisp.
 327
 328 Mon Mar 30 20:30:00 1998  Fred Fish  <fnf@cygnus.com>
 329
 330         * engine.c (sim_engine_run): Add at_loop_end.  Rework end of loop
 331         code to use this to both reset PSW_RP when needed and to set PC
 332         to RPT_S for another pass through the loop.
 333
 334 Mon Mar 30 16:12:00 1998  Fred Fish  <fnf@cygnus.com>
 335
 336         * engine.c (sim_engine_run): Change code that handles RPT_* regs
 337         and PSW_RP bit in PSW so that PSW_RP is always set while executing
 338         the loop and loop terminates upon completion of the pass for which
 339         RPT_C is zero.  More closely follow logic in architecture manual.
 340
 341 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 342
 343         * configure: Regenerated to track ../common/aclocal.m4 changes.
 344
 345 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 346
 347         * configure: Regenerated to track ../common/aclocal.m4 changes.
 348
 349 Thu Mar 19 00:25:43 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 350
 351         * sim-calls.c (sim_open): Move memory-region commands back to
 352         before the call to sim_parse_args.
 353         (d30v_option_handler): Implement extmem-size option using
 354         memory-delete and memory-region commands.
 355
 356         * sim-calls.c (d30v_option_handler): Use ANSI-C argument list,
 357         correct number and type of arguments.
 358
 359 Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 360
 361         * configure: Regenerated to track ../common/aclocal.m4 changes.
 362
 363 Wed Mar 11 13:56:32 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 364
 365         * alu.h (IMEM, MEM, STORE): Replace sim_core_*_map with exec_map,
 366         read_map and write_map resp.
 367
 368         * cpu.c (d30v_read_mem, d30v_write_mem): Ditto.
 369
 370 Mon Mar  2 13:34:08 1998  Fred Fish  <fnf@cygnus.com>
 371
 372         * d30v-insns (do_repeat): Abort repeat instructions that have
 373         a repeat count of zero.
 374
 375 Fri Feb 27 18:44:12 1998  Doug Evans  <devans@canuck.cygnus.com>
 376
 377         * sim-calls.c (sim_open): Update call to sim_add_option_table.
 378
 379 Thu Feb 26 18:34:31 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 380
 381         * sim-calls.c (sim_info): Delete.
 382
 383 Wed Feb 25 14:44:58 1998  Michael Meissner  <meissner@cygnus.com>
 384
 385         * d30v-insns (mvtsys): If moving to EIT_VB register, and with
 386         valid bits.  Optimize code somewhat.
 387
 388         * cpu.h (eit_vector_base_cr): New CR we need to special case.
 389         (EIT_VALID): Valid bits for EIT_VB register.
 390
 391         * d30v-insns (mv{f,t}sys): When moving to/from PSWH, the value is
 392         in the low 16 bits of the register.
 393
 394         * d30v-insns (do_sra): Use a common WRITE32_QUEUE to write back
 395         results.
 396         (do_sr{a,l}h): Do shift in 32 bits, only truncate when writing
 397         result back to the registers.
 398
 399 Tue Feb 24 18:09:52 1998  Fred Fish  <fnf@cygnus.com>
 400
 401         * Makefile.in (tmp-igen): Use -G gen-zero-r0 option to force
 402         r0 to always be zero.
 403         * cpu.h (GPR_SET): Define.
 404
 405 Tue Feb 24 14:12:57 1998  Michael Meissner  <meissner@cygnus.com>
 406
 407         * d30v-insns (do_sath): Do saturation in 32 bits, before
 408         converting to 16.
 409         (sat{,2h,z,hp}): Use imm_5, not imm to get proper zero extend.
 410         (do_sath_p): Delete, no longer used.
 411         (sathp): Call do_sath, not do_sath_p.
 412
 413 Mon Feb 23 15:55:14 1998  Michael Meissner  <meissner@cygnus.com>
 414
 415         * d30v-insns (illegal,wrong_slot): Print \n after PC and before we
 416         call sim_engine_halt.
 417         (sr{a,l}hp): Implement missing instructions.
 418         (do_trap): Print high order PSW bits in human readable fashion.
 419         (do_{dbra{,i},dbsr{,i},djmp{,i},djsr{,i},repeat}): Set PSW bit RP.
 420
 421         * alu.h (PSW_SET_QUEUE): New macro to set PSW bits.
 422
 423         * engine.c (sim_engine_run): Check for RP bit being set, not RPT_C
 424         being > 0.  If RPT_C is decremented to 0, clear PSW RP bit.
 425
 426 Fri Feb 20 10:13:34 1998  Fred Fish  <fnf@cygnus.com>
 427
 428         * cpu.h (BASE_ADDRESS): Change from 0xfffff000 to 0xfffff020.
 429
 430 Tue Feb 17 12:39:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 431
 432         * sim-calls.c (sim_store_register, sim_fetch_register): Pass in
 433         length parameter.  Return -1.
 434
 435 Fri Feb  6 17:39:54 1998  Michael Meissner  <meissner@cygnus.com>
 436
 437         * d30v-insns (do_dbrai): Correct typo, use shift, not comparison.
 438
 439 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 440
 441         * configure: Regenerated to track ../common/aclocal.m4 changes.
 442
 443 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 444
 445         * configure: Regenerated to track ../common/aclocal.m4 changes.
 446
 447 Fri Jan 30 08:29:20 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 448
 449         * engine.c (sim_engine_run): Add parameter nr_cpus.
 450
 451 Fri Jan 30 17:09:37 1998  Michael Meissner  <meissner@cygnus.com>
 452
 453         * d30v-insns (jsrtzr): Check for register == 0, not != 0.
 454
 455 Wed Jan 21 17:52:04 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 456
 457         * engine.c (do_stack_swap): Make type of new_sp unsigned.
 458
 459 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 460
 461         * configure: Regenerated to track ../common/aclocal.m4 changes.
 462
 463 Mon Jan  5 16:04:17 1998  Andrew Cagney  <cagney@sanguine.cygnus.com>
 464
 465         * sim-calls.c (sim_info): Call profile_print.
 466
 467         * sim-main.h: Enable instruction profiling.
 468
 469 Thu Dec 18 12:21:38 1997  Michael Meissner  <meissner@cygnus.com>
 470
 471         * alu.h (ALU{16,32}_END): Change setting PSW to only set the carry
 472         and overflow bits.  Don't look at the current value of PSW.
 473         (PSW_FLAG_SET_QUEUE): Only queue up setting the particular bit in
 474         question.  Don't look at the current value of PSW.
 475
 476         * d30v-insns: All instructions that set the PSW, will only queue
 477         up the particular bits in question that were set by the
 478         instruction.  Don't look at the current value of PSW.
 479
 480 Wed Dec 17 11:41:44 1997  Michael Meissner  <meissner@cygnus.com>
 481
 482         * cpu.h (PSW_VALID): Allow EA/DB to be set in the PSW.
 483         (DPSW_VALID): Like PSW_VALID, but it allows the DS bit to be set.
 484
 485         * engine.c (trace_alu32): When changing BPSW/DPSW, print the
 486         special PSW bits.
 487
 488         * d30v-insns (do_cmp_cc): Fix cmpps and cmpng.
 489         (do_cmp{,u}_cc): Print which cc value was used if not in switch
 490         statement.
 491         (do_cmpu_cc): Remove illegal cases CMPU{EQ,NE,PS,NG}.
 492         (mvtsys): When setting BPSW or DPSW, and with DPSW_VALID.
 493
 494 Tue Dec 16 18:17:26 1997  Michael Meissner  <meissner@cygnus.com>
 495
 496         * d30v-insns (mulx2h): Add missing instruction.  Complain if
 497         register is not even.
 498         (do_{add,sub}h_ppp): Get correct high/low values.  Also correctly
 499         handle short immediates.
 500         (do_ld{2w,4bh}): Don't load r0 if ra == 0.
 501
 502         * engine.c (d30v_interrupt_event): Remove unused variable
 503         (unqueue_writes): Ditto.
 504
 505 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 506
 507         * configure: Regenerated to track ../common/aclocal.m4 changes.
 508         * config.in: Ditto.
 509
 510 Sat Dec 13 23:40:17 1997  Michael Meissner  <meissner@cygnus.com>
 511
 512         * cpu.h (_write{32,64}): New structures for keeping track of
 513         queued writes to registers.
 514         (_sim_cpu): Add _write{32,64} structures.  Make is_delayed_call
 515         unsigned32 also.
 516         (WRITE{32,64}*): New macros for queueing up writes to registers.
 517
 518         * alu.h (ALU16_END): Take field that says whether we are setting
 519         the high or low half word.  Queue up changes to registers.
 520         (ALU32_END): Queue up changes to registers.
 521         (PSW_FLAG_SET_QUEUE): Like PSW_FLAG_SET, except queues it up.
 522
 523         * sim-main.h (do_stack_swap): Remove declaration.
 524
 525         * engine.c (do_stack_swap): Make static.
 526         (unqueue_writes): New function to unqueue all changes to 32 and 64
 527         bit registers in order.  Implement --trace-alu.  Reset high water
 528         marks for # of queued registers.  If PSW changed, possibly update
 529         stack pointer.
 530         (do_{long,2_short,parallel}): Unqueue register writes at the
 531         appropriate time.
 532
 533         * d30v-insns: Modify all insns to queue changes to registers,
 534         rather than do them immediately so that parallel instructions get
 535         the right values for inputs.  Rewrite 16 bit operations to be done
 536         in terms of masked 32 bit registers.  Don't call do_stack_swap any
 537         more here.
 538
 539 Thu Dec 11 10:06:02 1997  Michael Meissner  <meissner@cygnus.com>
 540
 541         * sim-calls.c (d30v_option_handler): Add support for --extmem-size
 542         to size external memory.
 543         (sim_open): Ditto.  Default if no --extmem-size option is 8 meg.
 544
 545 Wed Dec 10 01:08:24 1997  Jim Blandy  <jimb@zwingli.cygnus.com>
 546
 547         * d30v-insns (do_rot2h): Clip rotate amounts to four bits.  The
 548         upper bits, and the sign of the rotation amount, are red herrings.
 549         (do_sra, do_srl): Handle shifts greater than 32 bits.
 550         (do_srah, do_sral): Properly sign-extend value and shift amount.
 551         Handle shifts larger than 16 bits.
 552
 553 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 554
 555         * configure: Regenerated to track ../common/aclocal.m4 changes.
 556
 557 Mon Dec  1 15:10:44 1997  Michael Meissner  <meissner@cygnus.com>
 558
 559         * d30v-insns (do_sub2h): For short instruction, correctly
 560         dupplicate lower 16 bits of immediate in upper 16 bits.
 561         (sat2z): Fix typo that ignored the upper half of the register.
 562         (do_satz): If < 0, set *ra to 0, if not call do_sat.
 563         (mvtsys): Before setting PSW, and with PSW_VALID.
 564
 565         * cpu.h (PSW_VALID): Mask for bits in PSW that is valid.
 566
 567 Mon Dec  1 15:05:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 568
 569         * d30v-insns (do_trap): Pacify GCC - correct type of %ld arg in
 570         printf, return dummy at end.
 571
 572 Mon Dec  1 15:05:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 573
 574         * d30v-insns (do_add, do_addh_ppp, do_adds): Replace ALU_ADD with
 575         ALU_ADDC.
 576         (do_addc): Replace ALU_SET_CARRY / ALU_ADD_CA with ALU_ADDC_C.
 577         (do_sub, do_subh_ppp): Replace ALU_SUB with ALU_SUBB.
 578         (do_subb): Replace ALU_SET_CARRY / ALU_SUB_CA with ALU_SUBB_B.
 579
 580         * alu.h (ALU16_END): Use ALU16_HAD_CARRY_BORROW instead of
 581         ALU16_HAD_CARRY.
 582         (ALU32_END): Ditto.
 583
 584         * sim-main.h (string.h, strings.h): Include.
 585
 586         * sim-calls.c: Delete inclusion of string.h and strings.h.
 587
 588 Sun Nov 30 17:29:25 1997  Michael Meissner  <meissner@cygnus.com>
 589
 590         * configure.in (--enable-sim-trapdump): New switch to control
 591         whether traps 0..30 dump out the registers or do the real trap.
 592         * configure: Regenerate.
 593
 594         * Makefile.in (SIM_EXTRA_CLFAGS): Add -DTRAPDUMP={0,1} if
 595         appropriate --{en,dis}able-sim-trapdump is done.
 596
 597         * sim-calls.c (OPTION_TRACE_CALL): Rename from OPTION_CALL_TRACE.
 598         (OPTION_TRACE_TRAPDUMP): New option for --trace-trapdump.
 599         (d30v_option_handler): Add support for --trace-trapdump.
 600         (d30v_options): Ditto.
 601         (sim_open): Ditto.
 602
 603         * d30v-insns (do_trap): Do register dump if --trace-trapdump and
 604         not the system call trap.  Remove support for calling old function
 605         sim_io_syscalls.
 606
 607 Sat Nov 29 18:54:55 1997  Michael Meissner  <meissner@cygnus.com>
 608
 609         * cpu.h (_sim_cpu): Add trace_call_p, trace_action fields.
 610         (TRACE_CALL_P): Non-zero if --trace-call.
 611         (TRACE_ACTION): Non-zero if there is a tracing action at the end
 612         of processing an instruction boundary.
 613         (TRACE_ACTION_{CALL,RETURN}): Bits to say trace call & return.
 614         (d30v_next_insn): Delete, now trace_action field in cpu state.
 615
 616         * cpu.c (d30v_next_insn): Delete, now trace_action field in cpu
 617         state.
 618         (return_occurred): Minimum saved register to check is now 34.
 619
 620         * engine.c (sim_engine_run): Change call tracing to use
 621         trace_action field in cpu state.
 622
 623         * sim-calls.c (d30v_option_handler): Handle d30v specific options.
 624         (d30v_options): D30V specific options.  Right now, --trace-call.
 625         (sim_open): Register d30v specific options.
 626
 627         * d30v-insns (call, return insns): Move --trace-debug call/return
 628         tracing action to d30v specific --trace-call option.
 629
 630 Fri Nov 28 20:12:48 1997  Michael Meissner  <meissner@cygnus.com>
 631
 632         * cpu.h (CREG): Rename from CR.
 633
 634         * d30v-insns (do_{addc,subb}): Explicitly import the carry bit.
 635         (do_trap): Use CREG, not CR.  Switch to using cb_syscall.
 636
 637 Thu Nov 27 19:25:43 1997  Michael Meissner  <meissner@cygnus.com>
 638
 639         * cpu.h (ACC): Define as short cut to accumulators.
 640
 641         * d30v-insns (do_rot): Delete explicit function, use ROT32 to do
 642         rotate instruction.
 643         (do_trap): Make trap 30 print out accumulators and first 16
 644         control registers as well.
 645         (do_avg): Sign extend to 64 bit type before doing add/shift.
 646         (do_avg2h): Sign extend 16 bit chunks before doing add/shift.
 647
 648 Wed Nov 26 15:20:24 1997  Doug Evans  <devans@canuck.cygnus.com>
 649
 650         * Makefile.in (NL_TARGET): Define.
 651
 652 Wed Nov 26 16:55:38 1997  Michael Meissner  <meissner@cygnus.com>
 653
 654         * cpu.h (d30v_next_insn): New flag for things we are supposed to
 655         trace between instruction words.
 656         ({call,return}_occurred): Remove index argument.
 657         (d30v_{read,write}_mem): Add declarations.
 658
 659         * cpu.c (d30v_next_insn): New flag for things we are supposed to
 660         trace between instruction words.
 661         ({call,return}_occurred): Remove index argument.
 662         (d30v_{read,write}_mem): New functions for reading/writing
 663         simulated memory in the new common system call support.
 664
 665         * d30v-insns: Set emacs C mode.
 666         (call/return insns): Set bit to trace call at instruction
 667         boundary, rather than doing it here.
 668         (do_trap): Set up to use new common system call interface.
 669
 670         * engine.c (sim_engine_run): If d30v_next_insn is non zero, do
 671         function call/return tracing.
 672
 673 Mon Nov 24 16:40:49 1997  Michael Meissner  <meissner@cygnus.com>
 674
 675         * d30v-insns (bnot): Correctly reset bit in question.
 676         (do_trap): Use common system call emulation support, rather than
 677         our home grown support.
 678
 679 Sun Nov 23 22:47:20 1997  Michael Meissner  <meissner@cygnus.com>
 680
 681         * d30v-insns (mvfacc): Immediate field is unsigned, allowing
 682         shifts of up to 63 to be encoded.  Also do shift signed, rather
 683         than unsigned.
 684
 685         * ic-d30v (IMM_6S): Add field for 6 bit unsigned constants.
 686
 687         * d30v-insns (cmpu): Short cmpu zero extends immediate, not sign
 688         extends.
 689
 690 Sat Nov 22 19:04:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 691
 692         * d30v-insns (illegal, wrong_slot): Replace SIGILL with
 693         SIM_SIGILL.
 694
 695         * sim-calls.c (signal.h): Do not include, replaced by
 696         sim-signal.h.
 697
 698         * sim-main.h (signal.h): Do not include, include sim-signal.h
 699         instead.
 700
 701 Fri Nov 21 09:33:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 702
 703         * cpu.c (call_occurred): Use ZALLOC instead of xmalloc.
 704         (return_occurred): Use zfree instead of free.
 705
 706 Wed Nov 19 13:28:09 1997  Michael Meissner  <meissner@cygnus.com>
 707
 708         * Makefile.in ({l,s}_{support,semantics}.o): Depend on the include
 709         files in $(ENGINE_H).
 710
 711         * d30v-insns (do_{add,addc,sub,subb}): ALU_{ADD,SUB}_CA now takes
 712         a VAL argument to add/subtract along with the carry.
 713
 714 Tue Nov 18 15:33:48 1997  Doug Evans  <devans@canuck.cygnus.com>
 715
 716         * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
 717
 718 Tue Nov 18 13:56:15 1997  Michael Meissner  <meissner@cygnus.com>
 719
 720         * d30v-insns (do_trap): Change to new system call numbers.  Add
 721         read emulation.
 722
 723 Mon Nov 17 14:43:45 1997  Michael Meissner  <meissner@cygnus.com>
 724
 725         * d30v-insns (mulx): Add mulx instruction.
 726
 727 Sun Nov 16 19:06:56 1997  Michael Meissner  <meissner@cygnus.com>
 728
 729         * cpu.c ({call,return}_occurred): New trace functions to mark
 730         function calls and returns and check whether all saved registers
 731         really were saved.
 732
 733         * cpu.h ({call,return}_occurred): Add declaration.
 734
 735         * d30v-insns ({bsr, jsr} patterns): Call call_occurred if
 736         --trace-debug to trace function calls.
 737         (jmp register pattern): If this is a jump r62 and --trace-debug,
 738         call return_occurred to trace function calls.
 739         (bsr{tnz,tzr}): Move setting r62 inside conditional against reg.
 740         (do_ld2w): Grab memory in 64-bit chunk, to check alignment.
 741         (do_st2w): Ditto.
 742
 743 Sat Nov 15 20:57:57 1997  Michael Meissner  <meissner@cygnus.com>
 744
 745         * d30v-insns: Undo changes from Nov. 11, allowing for odd register
 746         pairs, since the machine doesn't support such usage.  Trap on odd
 747         registers, rather than give a warning.  Keep do_src and do_trap
 748         changes.
 749
 750 Fri Nov 14 11:59:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 751
 752         * d30v-insns (do_trap): Pacify compiler warnings for printf calls.
 753
 754 Tue Nov 11 18:26:03 1997  Michael Meissner  <meissner@cygnus.com>
 755
 756         * d30v-insns (not_r63_reg): Rename from make_even_reg, only check
 757         for register being r63.  Change callers ld2{h,w}, ld4bh{,u}.
 758         (get_reg_not_r63): Rename from get_even_reg, and only check for
 759         register r63.  Change callers st2{w,h}, st4b.
 760         (do_src): Correct register pair for shift left.
 761         (do_trap): Temporarily make trap 30 print out the registers.
 762
 763 Tue Nov  4 08:51:22 1997  Michael Meissner  <meissner@cygnus.com>
 764
 765         * d30v-insns (do_trap): Make trap 31 be used for system calls.
 766         Add primitive write and exit system calls.
 767
 768         * Makefile (FILTER): New make variable to filter out known igen
 769         warnings.
 770         (tmp-igen): Add $(FILTER) on all 3 invocations of igen to filter
 771         out warnings that should be ignored by default.
 772
 773 Fri Oct 31 19:36:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 774
 775         * sim-calls.c (sim_open): Change EIT to memory region.
 776
 777 Fri Oct 17 16:51:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 778
 779         * alu.h (ALU16_END): Get result from ALU16_OVERFLOW_RESULT.
 780         (ALU32_END): Get result from ALU32_OVERFLOW_RESULT.
 781
 782 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 783
 784         * configure: Regenerated to track ../common/aclocal.m4 changes.
 785
 786 Mon Sep 29 15:23:35 1997  Stu Grossman  <grossman@babylon-5.cygnus.com>
 787
 788         * d30v-insns (MVFSYS MVTSYS):  Fix bit patterns so that these
 789         instructions get recognised.
 790
 791 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 792
 793         * configure: Regenerated to track ../common/aclocal.m4 changes.
 794
 795 Wed Sep 24 17:51:43 1997  Stu Grossman  <grossman@babylon-5.cygnus.com>
 796
 797         * Makefile.in (SIM_OBJS):  Add sim-break.o.
 798         * (INCLUDE_DEPS):  Add tconfig.h.
 799         * alu.h (MEM STORE):  Change to sim_core_read/write_unaligned to
 800         allow for trapping unaligned accesses.
 801         * cpu.h:  Define SIM_BREAKPOINT as syscall 5 for intrinsic breakpoint
 802         mechanism.
 803         * d30v-insn (short syscall):  Use syscall 5 for breakpoint insn.
 804         * sim-calls.c (sim_fetch_register sim_store_register):  Implement.
 805         * tconfig.in:  Define SIM_HAVE_BREAKPOINTS to enable intrinsic
 806         breakpoint mechanism.
 807
 808 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 809
 810         * configure: Regenerated to track ../common/aclocal.m4 changes.
 811
 812 Tue Sep 23 10:19:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 813
 814         * Makefile.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
 815         SIM_HOSTENDIAN, SIM_RESERVED_BITS): Delete, moved to common.
 816         (SIM_EXTRA_CFLAGS): Update.
 817
 818 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 819
 820         * configure.in: Specify strict alignment.
 821         * configure: Regenerated to track ../common/aclocal.m4 changes.
 822
 823 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 824
 825         * configure: Regenerated to track ../common/aclocal.m4 changes.
 826
 827 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 828
 829         * configure: Regenerated to track ../common/aclocal.m4 changes.
 830
 831 Fri Sep 12 16:13:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 832
 833         * sim-calls.c (sim_open): Change memory to
 834         internal inst. RAM h'00000000-h'0000ffff (64KB)
 835         internal data RAM  h'20000000-h'20007fff (32KB)
 836         external RAM       h'80000000-h'803fffff (4MB)
 837         EIT                h'fffff000-h'ffffffff
 838
 839
 840 Thu Sep 11 08:59:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 841
 842         * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
 843
 844         * sim-calls.c (sim_read): Delete. use sim-hrw.
 845         (sim_write): Delete, use sim-hrw.
 846
 847
 848 Tue Sep  9 01:36:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 849
 850         * ic-d30v (imm_5): Update nr args passed to LSMASKED.
 851
 852         * d30v-insns (do_sat, do_sath, do_sath_p, do_satz, do_satzh): Fix,
 853         computing the max sat value incorrectly.
 854
 855 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 856
 857         * configure: Regenerated to track ../common/aclocal.m4 changes.
 858
 859 Fri Sep  5 09:15:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 860
 861         * d30v-insns (do_mac, do_macs, do_msub, do_mulxs): Use explicit
 862         type cast instead of SIGNED64 macro.
 863
 864 Thu Sep  4 10:28:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 865
 866         * Makefile.in (SIM_OBJS): Include sim-memopt.o module.
 867
 868         * sim-calls.c (sim_open): Pass zero modulo arg to sim_core_attach
 869         calls.
 870         (sim_open): If no memory, use memory commands to establish d30v
 871         ram.
 872         (d30v_option_handler): Delete, replased by sim-memopt.c.
 873         (sim_create_inferior): Call sim_module_init.
 874
 875         * sim-main.h (struct sim_state): Remove members eit_ram,
 876         sizeof_eit_ram, external_ram, baseof_external_ram,
 877         sizeof_external_ram. Using generic memory model instead.
 878
 879 Mon Sep  1 11:04:09 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 880
 881         * sim-calls.c (sim_open): Use sim_state_alloc.
 882
 883 Sat Aug 30 10:01:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 884
 885         * sim-main.h (INVALID_INSTRUCTION_ADDRESS): Define.
 886
 887         * engine.c (do_2_short): Compare with INVALID_INSTRUCTION_ADDRESS
 888         not -1.
 889
 890 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 891
 892         * configure: Regenerated to track ../common/aclocal.m4 changes.
 893         * config.in: Ditto.
 894
 895 Wed Aug 27 13:41:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 896
 897         * sim-calls.c (sim_open): Add call to sim_analyze_program, update
 898         call to sim_config.
 899
 900         * sim-calls.c (sim_create_inferior): Add ABFD argument.
 901         Initialize CPU registers including PC.
 902         (sim_load): Delete, using sim-hload.
 903
 904         * Makefile.in (SIM_OBJS): Add sim-hload.o module.
 905
 906 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 907
 908         * configure: Regenerated to track ../common/aclocal.m4 changes.
 909         * config.in: Ditto.
 910
 911 Mon Aug 25 15:41:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 912
 913         * sim-calls.c (sim_open): Add ABFD argument.
 914         (sim_open): Move sim_config call to after sim_parse_args.
 915         (sim_open): Check sim_config return status.
 916
 917 Fri Aug 22 16:38:59 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 918
 919         * d30v-insns (do_subh_ppp): Correct name, was do_sub_ppp.
 920         (do_subh_ppp): Compute rc=rb-src instead of src-rb.
 921         (do_addh_ppp): Ditto.
 922
 923 Fri Jun 27 14:43:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 924
 925         * d30v-insns (mvfsys, mvtsys): Switch instruction encodings, was
 926         wrong.  Update handling of PSW[DS] bit.
 927         (dbt): Fix debug trap address.
 928
 929         * cpu.h (NR_CONTROL_REGISTERS): Allow the full 64 registers.
 930
 931 Tue Jun 24 12:41:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 932
 933         * d30v-insns (DBT, RTD): Swap the stack after updating the PSW.
 934         (DBT): Use PSW_SET to update PSW.
 935
 936         * alu.h (ALU16_END): Check for 16 bit carry and not 32 bit.
 937
 938 Tue Jun 24 12:16:14 1997  Andrew Cagney  <cagney@b2.cygnus.com>
 939
 940         * d30v-insns (ppp, ccc, pp, XX, p): Update format functions so
 941         that they are of class %s instead of class function.
 942
 943 Tue Jun 10 12:26:39 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 944
 945         * sim-main.h (engine_error, engine_restart, engine_halt,
 946         engine_run_until_stop): Delete prototypes.  Functions deleted
 947         earlier.
 948         (do_interrupt_handler): Add prototype.
 949         (sim_state): Add pending_event member to struct.
 950
 951         * sim-calls.c (sim_open): Configure interrupt handler.
 952         * engine.c (d30v_interrupt_event): New function.  Deliver external
 953         interrupt to processor.
 954
 955         * d30v-insns (do_stack_swap): Move function from here.
 956         * engine.c (do_stack_swap): To here.
 957         * sim-main.h (do_stack_swap): Add prototype.
 958
 959         * cpu.h (registers): Change current_sp to an int.
 960         * d30v-insn (do_stack_swap): Update.
 961
 962 Thu Jun  5 12:54:35 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 963
 964         * d30v-insns (LD*, ST*): Disasemble XX == 0 as immed version of
 965         instruction.
 966         (str_XXX): Fix case of XX == 3 - return "-".
 967
 968 Thu Jun  5 12:54:35 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 969
 970         * engine.c (sim_engine_run): Issuing L->R and R->L instructions in
 971         wrong order.
 972
 973         * d30v-insn (CMPUcc imm long): With of RB field should be 6 not
 974         three.
 975         (MUL, MUL2H, MULHX): X field 01 instead of 10.
 976
 977 Thu Jun  5 12:54:35 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 978
 979         * d30v-insns (mvtsys): Don't modify DS bit when writing to PSW.
 980         (dbt, rtd): New instructions.
 981
 982         * cpu.h (NR_CONTROL_REGISTERS): Now 15.
 983         (debug_program_status_word_cr, debug_program_counter_cr): Add
 984         debug control registers. Renumber other control registers.
 985         (PSW_DS): New PSW bit.
 986         (DPC, DPSW): Define.
 987
 988 Wed May 28 13:45:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 989
 990         * engine.c (sim_engine_run): Check the event queue on every cycle.
 991
 992         * sim-calls.c (sim_size): Delete.
 993         (sim_do_command): Call sim_args_command.
 994         (sim_open): Move eit_ram and sizeof_eit_ram to sim_state struct.
 995         (simulation): Delete global now depend on sd argument.
 996         (sim_open): Initialize sim-watch.
 997         (d30v_option_handler): New function, parse mem-size argument.
 998
 999 Tue May 27 14:03:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1000
1001         * sim-calls.c (sim_set_callbacks): Delete.
1002         (sim_write): Pass NULL cpu arg to sim_core_write_buffer.
1003
1004         * engine.c (engine_init): Delete.  Handled in sim_open.
1005         (engine_create): Ditto.
1006
1007 Tue May 20 10:15:35 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1008
1009         * sim-calls.c (sim_open): Add callback argument.
1010         (sim_set_callbacks): Delete SIM_DESC argument.
1011
1012 Mon May 19 14:59:32 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1013
1014         * sim-calls.c (sim_open): Set the sim.base magic number.
1015
1016 Fri May 16 15:25:59 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1017
1018         * d30v-insns: Replace engine_error with common sim_engine_abort.
1019         * cpu.c (is_condition_ok, is_wrong_slot): Ditto.
1020
1021         * engine.c (engine_run_until_stop): Rename this.
1022         (sim_engine_run): To this. Simplify - most moved to common.
1023
1024         * sim-calls.c (sim_stop_reason, sim_resume, sim_stop):
1025         Delete. Replaced by common code.
1026
1027         * engine.c (engine_error, engine_restart, engine_halt): Ditto.
1028
1029         * sim-main.h (SIM_ENGINE_RESTART_HOOK, SIM_ENGINE_HALT_HOOK):
1030         Define as NOPs.
1031
1032 Mon May  5 23:05:41 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1033
1034         * alu.h (IMEM, MEM, STORE): Update to reflect changes to core in
1035         ../common.
1036         * sim-calls.c (sim_open): Ditto.
1037
1038         * alu.h, cpu.h, cpu.c, d30v-insn, dc-short: Clean up copyright
1039         notice.
1040
1041 Fri May  2 12:01:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1042
1043         * sim-calls.c (sim-options.h, sim-utils.h): Include.
1044         * Makefile.in (sim-calls.o): Add dependencies.
1045
1046         * d30v-insns (address_word): Remove cia argument from support
1047         functions, igen now does this automatically.
1048
1049         * Makefile.in (tmp-igen): Include line number information in
1050         generated files.
1051
1052         * sim-main.h (SIM_DESC): Remove sim_events and sim_core, moved to
1053         simulator base type sim_state_base.
1054         (sim-core.h, sim-events.h, sim-io.h): Replace with #include
1055         "sim-base.h".
1056
1057         * sim-main.h (sim_state): Track recomendations in common
1058         directory.
1059         * cpu.h (sim_cpu): Ditto.
1060         * engine.c (do_2_short, do_parallel): Ditto.
1061         * cpu.h (GPR): Ditto.
1062         * alu.h (MEM, IMEM, STORE): Ditto.
1063         * cpu.c (is_wrong_slot): Ditto.
1064         * ic-d30v (Aa, Ab): Ditto.
1065
1066 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
1067
1068         * configure: Regenerated to track ../common/aclocal.m4 changes.
1069         * Makefile.in (SIM_OBJS): Add sim-module.o, sim-profile.o.
1070         * sim-calls.c (sim_open): Call sim_module_uninstall if argument
1071         parsing fails.  Call sim_post_argv_init.
1072         (sim_close): Call sim_module_uninstall.
1073
1074 Fri Apr 18 13:44:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1075
1076         * sim-calls.c (sim_stop): New function.
1077
1078 Thu Apr 17 02:57:55 1997  Doug Evans  <dje@canuck.cygnus.com>
1079
1080         * Makefile.in (SIM_OBJS): Add sim-load.o, sim-options.o, sim-trace.o.
1081         (SIM_EXTRA_{LIBS,LIBDEPS,ALL,INSTALL}): Delete.
1082         (SIM_RUN_OBJS): Change from run.o to nrun.o.
1083         * cpu.h (sim_cpu): New member base.  Delete members trace, sd.
1084         (cpu_traces): Delete.
1085         * engine.c (engine_init): Set backlink from cpu to state.
1086         * sim-calls.c: #include bfd.h.
1087         (sim_open): Set STATE_OPEN_KIND.  Call sim_pre_argv_init,
1088         sim_parse_args.
1089         (sim_load): Return SIM_RC.  New arg abfd.
1090         Call sim_load_file to load file into simulator.
1091         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
1092         (sim_trace): Delete.
1093         * sim-main.h (struct sim_state): sim_state_base is typedef now.
1094         (STATE_CPU): Define.
1095
1096 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1097
1098         * configure: Regenerated to track ../common/aclocal.m4 changes.
1099         * config.in: Ditto.
1100
1101 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
1102
1103         * Makefile.in (SIM_EXTRA_DEPS): Define.
1104         (SIM_OBJS): Add sim-utils.o.
1105         (SIM_GEN): Delete tmp-common.
1106         (SIM_EXTRA_CLEAN): Delete clean-common.
1107         (BUILT_SRC_FROM_COMMON): Moved to ../common/Make-common.in.
1108         (tmp-common,clean-common): Delete.
1109         (ENGINE_H): sim-state.h renamed to sim-main.h.
1110         (clean-igen): Delete tmp-insns.
1111
1112         * cpu.c: sim-state.h renamed to sim-main.h.
1113         * engine.c: Likewise.
1114         * sim-calls.c: Likewise.
1115         (zalloc,zfree): Moved to ../common/sim-utils.c.
1116         * sim-main.h: Renamed from sim-state.h.
1117
1118         * sim-calls.c (sim_open): New arg `kind'.
1119
1120         * configure: Regenerated to track ../common/aclocal.m4 changes.
1121
1122 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1123
1124         * configure: Regenerated to track ../common/aclocal.m4 changes.
1125
1126 Wed Apr  2 11:13:15 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1127
1128         * Makefile.in (SIM_OBJS): Link in the recently added sim-config.o
1129
1130         * engine.c (current_target_byte_order, current_host_byte_order,
1131         current_environment, current_alignment, current_floating_point,
1132         current_model_issue, current_stdio): Delete, moved to
1133         ../common/sim-config.c
1134
1135 Mon Mar 24 14:50:30 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1136
1137         * d30v-insns (do_ldw): Load 4 bytes not 2.
1138         (do_incr, LD*, ST*): Increment register not its value.
1139
1140 Mon Mar 24 09:59:53 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1141
1142         * cpu.c (is_wrong_slot): Ditto.
1143         (is_condition_ok): Ditto.
1144
1145         * sim-calls.c (sim_trace): Ditto.
1146
1147         * engine.c (engine_init): Ditto.
1148         (do_2_short): Ditto.
1149         (engine_run_until_stop): Ditto.
1150
1151         * d30v-insns (void): Update. For functions, remove `SIM_DESC sd'
1152         and `cpu *processor' arguments as igen now handles this.
1153
1154         * cpu.h: Rename struct _cpu to struct _sim_cpu. Rename variable
1155         processor to cpu.
1156
1157         * sim-state.h: Update.
1158
1159 Fri Mar 21 12:52:12 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1160
1161         * d30v-insns (do_sat): Correct calculation of saturate lower
1162         bound.
1163         (do_sath): Ditto.
1164         (do_satzh, do_satz): Arguments should be signed.
1165
1166         * sim-calls.c (zalloc): Use malloc() instead of xmalloc() for
1167         moment.
1168         (filter_filename): Drop.
1169
1170         * cpu.h (is_wrong_slot): Correct declaration name - was
1171         is_valid_slot.
1172
1173         * engine.c (do_parallel): Plicate GCC.
1174         (engine_error): Ditto.
1175         (engine_run_until_stop): Ditto.
1176         * cpu.c (is_wrong_slot): Ditto.
1177         (is_condition_ok): Ditto.
1178         * sim-calls.c (sim_size): Ditto.
1179         (sim_read): Ditto.
1180         (sim_trace): Ditto.
1181
1182         * engine.h, engine.c (engine_create): Add missing prototype to
1183         header file.  Clean up missing variables.
1184
1185         * configure.in (unistd.h, string.h, strings.h): Configure in.
1186         * configure, config.in: Rebuild.
1187
1188 Thu Mar 20 19:40:20 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1189
1190         * d30v-insns (void): Provide a second emul instruction using a
1191         branch prefix.
1192
1193 Tue Mar 18 20:51:42 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1194
1195         * d30v-insn (do_sat*): Pass all necessary args.
1196
1197 Tue Mar 18 18:49:10 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1198
1199         * d30v-insns (SAT*): Issue warning when bit overflow.
1200         (EMUL): Exit with GPR[2] not 2.
1201
1202 Tue Mar 18 14:24:09 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1203
1204         * sim-state.h: New file rename engine.h.
1205         (sim_state): Rename engine strut to sim_state, rename events and
1206         core members.
1207
1208         * engine.c: Update.
1209         * cpu.h, cpu.c: Ditto.
1210         * alu.h: Ditto.
1211         * d30v-insns: Ditto.
1212         * sim-calls.c: Ditto.
1213
1214         * Makefile.in (sim-*.c): Moved to ../common.
1215
1216 Tue Mar 18 10:39:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1217
1218         * d30v-insns (do_mac): Adding wrong register.
1219         (do_macs): Ditto.
1220         (do_msub): Ditto.
1221         (do_msubs): Ditto.
1222
1223         * ic-d30v: Put back definitions of RaH, RaL, et.al.
1224         (do_sra2h, do_srah): Use.
1225         (do_srl2h, do_srlh): Use.
1226
1227         * d30v-insns (SAT, SAT2H, SATp, SATZ): Implement saturate.
1228
1229 Tue Mar 18 03:01:25 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1230
1231         * d30v-insns: Specify wild insted of reserved bits.
1232         (void):
1233
1234 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1235
1236         * configure: Re-generate.
1237
1238 Mon Mar 17 14:35:37 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1239
1240         * Makefile.in (SIM_EXTRA_CFLAGS), configure.in: Include SIM_*
1241         options. Allow RESERVED_BITS to be configured.
1242         * configure: Re-generate.
1243
1244         * Makefile.in (sim-*.h): Drop, not needed.
1245         (sim-*.c): Make each explicit so that they automatically update.
1246
1247 Sat Mar 15 02:34:30 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1248
1249         * ic-d30v (imm long): Incorrect calculation.
1250
1251         * d30v-insns (EMUL): Finish exit, write-string emul-call.
1252
1253         * sim-calls.c (sim_trace): Have sim-trace enable basic instruction
1254         tracing.
1255
1256 Sat Mar 15 02:10:31 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1257
1258         * configure.in: Enable common options - endian, inline and
1259         warnings.
1260         * configure: Regenerate.
1261
1262 Fri Mar 14 16:11:50 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1263
1264         * Makefile.in (cpu.o): Update dependencies.
1265         * cpu.c (is_condition_ok): Update PSW bit manipulations.
1266
1267 Fri Mar 14 12:49:20 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1268
1269         * configure.in: Autoconfig m4
1270         * configure: Regenerate.
1271
1272         * Makefile.in: Use m4 to preprocess d30v-insns.
1273         * d30v-insn: Adjust.
1274
1275 Thu Mar 13 12:44:54 1997  Doug Evans  <dje@canuck.cygnus.com>
1276
1277         * sim-calls.c (sim_open): New SIM_DESC result.  Argument is now
1278         in argv form.
1279         (other sim_*): New SIM_DESC argument.
1280
1281 Wed Mar 12 19:05:45 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1282
1283         * sim-calls.c (sim_open): Create all the d30v RAM blocks.
1284
1285         * engine.c (engine_run_until_stop): Handle delayed subroutine
1286         call.
1287         * d30v-insn: Ditto.
1288
1289         * ic-d30v: For Rb and Rc always return the value and not the
1290         equation.
1291         * d30v-insn: Use.
1292
1293         * ic-d30v (val_Ra): Returns 0 or RA.
1294         * d30v-insn: Use.
1295
1296         * d30v-insn (make_even_reg, get_even_reg): New functions. Force
1297         the register index to be even, issusing a warning if it was not.
1298         (LD*, ST*): Use.
1299
1300 Wed Mar 12 14:57:26 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1301
1302         * d30v-insns (do_trap): Implement TRAP instruction.
1303
1304         * alu.h (PSW_F, PSW_FLAG_VAL, PSW_FLAG_SET): New macro, map flag
1305         onto PSW bit.
1306         * ic-d30v: Drop F* expressions.
1307         * d30v-insn: Use more explicit PSW_FLAG_ ops.
1308         * cpu.h (PSW_*): Redo PSW bit values.
1309         * alu.h (ALU*_END): Update. Fix setting of overflow - logic was
1310         backwards.
1311
1312         * d30v-insn (MVFSYS, MVTSYS): Implement.
1313         * cpu.h (PSWH, PSWL): New macros for high, low word of PSW.
1314
1315 Wed Mar 12 14:12:11 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1316
1317         * cpu.h (RPT_IS_CALL): New macro for processor field
1318         is_delayed_call.  That in turn used as a flag to indicate if a
1319         delayed branch or delayed call is to occure.
1320         * d30v-insns (do_dbra): Set/clear RPT_IS_CALL;
1321         (do_dbrai): Ditto.
1322         (do_dbsr): Ditto.
1323         (do_dbsr): Ditto.
1324         (do_djmp): Ditto.
1325         (do_djmpi): Dotto.
1326         (do_djsr): Ditto.
1327         (do_djsri): Ditto.
1328         (void):
1329
1330         * d30v-insn (do_incr): Finish - handle modulo registers.
1331
1332         * d30v-insns (CMPU): Include all possible compare
1333         operations. Issue a warning where op defined by the processor
1334         spec.
1335
1336 Wed Mar 12 13:55:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1337
1338         * d30v-insns: Add a new instruction class _EMUL and a new
1339         instruction EMUL that emulates a few basic IO operations.
1340
1341         * Makefile.in (tmp-igen): Filter in emul instructions.
1342
1343 Fri Mar  7 20:32:13 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1344
1345         * d30v-insns (void): Fill in the gaps.
1346
1347 Wed Feb 26 09:31:10 1997  Andrew Cagney  <cagney@kremvax.tpgi.com.au>
1348
1349         * Makefile.in (tmp-igen): Include ic-d30v in dependencies.
1350
1351         * ic-d30v (cache): Update to use H_word, L_word added to
1352         sim-endian.h.
1353
1354 Tue Feb 25 15:26:51 1997  Andrew Cagney  <cagney@kremvax.tpgi.com.au>
1355
1356         * Makefile.in (tmp-igen): Correctly run $(MAKE).
1357
1358 Thu Feb 20 20:30:31 1997  Andrew Cagney  <cagney@critters.cygnus.com>
1359
1360         * Makefile.in (FROM_IGEN, FROM_COMMON): Make the igen generated
1361         files dependant on tmp-igen. Define ENGINE_H.
1362
1363 Sun Feb 16 16:42:48 1997  Andrew Cagney  <cagney@critters.cygnus.com>
1364
1365         * configure.in: New file - follow Doug Evans instructions.
1366         * Makefile.in: Ditto.
1367