ChangeLog 45.9 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390
2002-07-13  Andrew Cagney  <ac131313@redhat.com>

	* cpu.h: Mark file obsolete.
	* sim-main.h,  sim-calls.c, engine.c, cpu.c, alu.h: Ditto.
	* dc-short, ic-d30v, d30v-insns, Makefile.in: Ditto.

2002-06-16  Andrew Cagney  <ac131313@redhat.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

2000-07-05  Nick Clifton  <nickc@cygnus.com>

	* d30v-insns: Change minimum loop size limit to 0x10.

Tue May 23 21:39:23 2000  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

2000-04-12  Frank Ch. Eigler  <fche@redhat.com>

	* cpu.h (GPR_CLEAR): New macro.	
	(GPR_SET): Removed macro.

Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Wed Sep  1 11:38:21 1999  Andrew Cagney  <cagney@b1.cygnus.com>

	* d30v-insns: Cast CIA to LONG in printfs.

Tue Aug 31 01:32:22 1999  Andrew Cagney  <cagney@b1.cygnus.com>

	* cpu.h (unqueue_writes): Add declaration.

1999-05-27  Michael Meissner  <meissner@cygnus.com>

	* d30v-insns (do_repeat): Print a warning if a REPEAT or REPEATI
	instruction loop is too small.

1999-05-08  Felix Lee  <flee@cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	
1999-03-16  Martin Hunt  <hunt@cygnus.com>
	From Frank Ch. Eigler  <fche@cygnus.com>

        * cpu.h (mvtsys_left_p): New flag for MVTSYS instruction history.
        * d30v-insns (mvtsys): Set this flag instead of left_kills_right_p.
        (do_sath): Detect MVTSYS by new flag.
        * engine.c (unqueue_writes): Detect MVTSYS by new flag.
        (do_2_short, do_parallel): Initialize new flag.
       
1999-02-26  Frank Ch. Eigler  <fche@cygnus.com>

	* tconfig.in (SIM_HANDLES_LMA): Make it so.

1999-01-12  Frank Ch. Eigler  <fche@cygnus.com>

	* engine.c (unqueue_writes): Make PSW conflict resolution code
 	conditional - disable it for MVTSYS || insn case.
	
1999-01-11  Frank Ch. Eigler  <fche@cygnus.com>

	* d30v-insns (do_sath): Drain PSW write queue before PSW_S_FLAG
 	update.
	* engine.c (unqueue_writes): Make non-static.  Remove PSW_V/VA
	special case.
	(do_parallel): Don't drain PSW write queue for MVTSYS || insn.

1999-01-07  Frank Ch. Eigler  <fche@cygnus.com>

	* d30v-insns (do_ld2h): Sign-extend loaded half-words.

1999-01-05  Frank Ch. Eigler  <fche@cygnus.com>

	* d30v-insns (do_ld2h): Read memory in word units.
	(do_ld4bh): Ditto.  Correct sign extension.
	(do_ld4bhu): Ditto.
	(do_st2h): Write memory in word units.
	(do_st4hb): Ditto.
	(st4hb): Correct mnemonic in igen template.

1998-12-08  Frank Ch. Eigler  <fche@cygnus.com>

	* d30v-insns: (do_ld2h): Don't update R0 nor R1 for double-word insn.
	(do_ld2w): Ditto.
 	(do_ld4bh): Ditto.
 	(do_ld4bhu): Ditto.
 	(do_mulx2h): Ditto.

1998-12-03  Frank Ch. Eigler  <fche@cygnus.com>

	* d30v-insns (do_repeat): Don't set RP for repeat count 1.

1998-12-03  Frank Ch. Eigler  <fche@cygnus.com>

	* d30v-insns (do_src): Treat shift count -32 naturally instead of
	producing zero result.

1998-11-22  Frank Ch. Eigler  <fche@cygnus.com>

	* d30v-insns (do_src): Limit SRC shift count to -32 .. 31.

1998-11-16  Frank Ch. Eigler  <fche@cygnus.com>

	* d30v-insns (dbt): Defer PSW/DPSW update with new DID_TRAP code 2.  
	* engine.c (unqueue_writes): Perform DBT processing on PSW/DPSW here.

1998-11-12  Frank Ch. Eigler  <fche@cygnus.com>

	* cpu.h (_sim_cpu): Removed is_delayed_call field, and associated
 	RPT_IS_CALL macro.  
	* sim-calls.c (sim_create_inferior): Don't initialize is_delayed_call.
	* d30v-insns (do_dbra): Don't clear RPT_IS_CALL. (do_dbrai): Ditto. 
	(do_djmp): Ditto. (do_djmpi): Ditto. (do_repeat): Ditto. 
	* d30v-insns (do_dbsr): Don't set RPT_IS_CALL, but set R62 instead. 
	(do_dbsri): Ditto. (do_djsr): Dito. (do_djsri): Ditto.
	* engine.c (sim_engine_run): Remove conditional setting of R62 based 
	upon RPT_IS_CALL.
	
1998-11-08  Frank Ch. Eigler  <fche@cygnus.com>

	* sim-calls.c (sim_open): Add dummy memory range over control
	register region (0x40000000..0x4000FFFF).
 
1998-11-06  Frank Ch. Eigler  <fche@cygnus.com>

	* d30v-insns (do_mvfacc): Use loop to limit shift count to 63 .. 0.

Tue Oct 13 11:01:16 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* d30v-insns (do_sra,do_srah,do_srl,do_srlh): Make shift
 	count -32 to produce zero result.
	(do_src): Ditto for shift count == -64.

Mon Oct 12 23:04:11 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* d30v-insns (ROT): Use 0x1f bit mask for rotate count masking.
	(do_sra,do_srl): Use loop to limit shift count to -32 .. 31.
	(do_srah,do_srlh): Use loop to limit shift count to -32 .. 31.
	(sra2h,srl2h): Use loop to limit shift count to -16 .. 15.
	(do_src): Use loop to limit shift count to -64 .. 63.

Fri Oct  9 16:46:52 1998  Doug Evans  <devans@canuck.cygnus.com>

	* sim-calls.c (get_insn_name): New fn.
	(sim_open): Initialize CPU_INSN_NAME,CPU_MAX_INSNS.
	* sim-main.h (MAX_INSNS,INSN_NAME): Delete.

Mon Sep 28 10:43:28 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* d30v-insns (do_sra,do_srah,do_srl,do_srlh,ROT,do_src): Use
	correct MSB bit numbers for sign extension masks.

Fri Sep 25 17:32:27 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* engine.c (do_parallel): Unqueue writes if MU instruction was
	a MVTSYS, as identified by its left_kills_right_p side-effect.

Fri Sep 25 12:31:34 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* d30v-insns (do_sra,do_srah,do_srl,do_srlh,ROT,do_src): Mask
 	shift/rotate counts to number of bits in width of operand; no
 	longer saturate at maxima.

Tue Jul 14 18:39:23 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* cpu.h (left_kills_right_p): New flag for non-branch instructions
	that, when executed in left slot of a -> sequential pair, kill the
	right slot.
	* d30v-insns (mvtsys): Set flag for PSW/PSWh/PSWl/FLAG operands.
	* engine.c (do_2_short): Respect flag.
	
Thu Jun  4 16:48:58 1998  David Taylor  <taylor@texas.cygnus.com>

	* d30v-insns (do_trap): don't save the bPSW and PSW based on
	current values because an instruction done in parallel with
	the trap might change them, instead set a flag do that
	unqueue_writes will take care of it.
	* engine.c (unqueue_writes): finish trap handling
	* cpu.h (_sim_cpu): add new field did_trap and a macro DID_TRAP
	to make use of it; set by do_trap, tested and cleared by
	unqueue_writes.

Tue May 19 16:07:04 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* engine.c (unqueue_writes): Suppress the all enqueued writes to
 	the same flags in PSW except the last.

Fri May 15 11:38:59 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* d30v-insns (RETI): Correct instruction spelling to "reit".

Thu May 14 09:34:20 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* d30v-insns (dbt): Handle DBT at end of repeat block.
	(do_trap, dbt): Clear PSW_RP if at end of repeat block.

Thu May 14 07:41:41 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* engine.c (sim_engine_run): Trigger DDBT based on previous PC,
 	instead of next PC.

Wed May 13 11:03:40 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* engine.c (sim_engine_run): Move DDBT handling after instruction
 	decode/execute stage.

Tue May 12 12:14:53 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* d30v-insns (do_sat*): Correct "saturate to 0 bits" patch to
 	properly handle negative saturation inputs.

Tue May 12 11:11:26 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* engine.c (sim_engine_run): Decrement RPT_C only under more
 	restricted conditions.

Mon May 11 17:33:46 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* d30v-insns (do_sat*): Make "saturate to 0 bits" pass through data
 	unchanged.

Mon May 11 16:27:04 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* engine.c (sim_engine_run): Implement DDBT (debugger debug trap)
	functionality.

Fri May  8 16:44:19 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* d30v-insns (do_trap): Set bPC to RPT_S if trap is last
	instruction in repeat block.
	(bsr*/jsr*): Set R62 (LINK) to RPT_S if subroutine branch
	is last instruction in repeat block.

Fri May  8 11:06:50 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* d30v-insns (do_sath): Query/update F4/PSW_S using proper flag
 	macro.
	* cpu.h (PSW_S_FLAG): New flag number for PSW_S status bit.

Wed May  6 19:40:56 1998  Doug Evans  <devans@canuck.cygnus.com>

	* sim-main.h (INSN_NAME): New arg `cpu'.

Fri May  1 14:24:30 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* d30v-insns: Fix parameter list to sim_engine_abort.

Thu Apr 30 14:28:00 1998  Fred Fish  <fnf@cygnus.com>

	* d30v-insns (do_sath): Add additional argument that determines
	whether or not the F4 (PSW_S) bit in the PSW is updated.
	(SAT2H): Do not update PSW_S bit.
	(SATHp): Do update PSW_S bit.

Tue Apr 28 23:36:00 1998  Fred Fish  <fnf@cygnus.com>

	* d30v-insns (SRAHp, SRLHp):  Immediate values are signed 6 bit
	values, not 5 bit values.

Wed Apr 29 12:57:55 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* d30v-insns (do_incr): Check modular arithmetic limits after
 	postincrement/postdecrement, rather than before, to match
 	erroneous hardware behavior.

Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>

        * configure: Regenerated to track ../common/aclocal.m4 changes.

Mon Apr 27 19:42:00 1998  Fred Fish  <fnf@cygnus.com>

	* d30v-insns (do_trap): Clear all bits in PSW except SM and DB.

Mon Apr 27 14:55:00 1998  Fred Fish  <fnf@cygnus.com>

	* d30v-insns (do_mulx2h): Low order results go in ra+1, high
	order in ra.

Mon Apr 27 14:42:00 1998  Fred Fish  <fnf@cygnus.com>

	* d30v-insns (do_mulx2h): Rewrite to do proper 32 bit signed
	multiply of high and low fields from operands.

Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	* config.in: Ditto.

Sun Apr 26 15:20:20 1998  Tom Tromey  <tromey@cygnus.com>

	* acconfig.h: New file.
	* configure.in: Reverted change of Apr 24; use sinclude again.

Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	* config.in: Ditto.

Fri Apr 24 11:20:00 1998  Tom Tromey  <tromey@cygnus.com>

	* configure.in: Don't call sinclude.

Wed Apr 22 21:23:00 1998  Fred Fish  <fnf@cygnus.com>

	* ic-d30v (RbU, RcU): Unsigned versions of Rb and Rc.
	* d30v-insns (MVTACC): Use new RbU and RcU macros.

Wed Apr 22 20:52:00 1998  Fred Fish  <fnf@cygnus.com>

	* ic-d30v (RbHU,RbLU): Unsigned versions of RbH and RbL.
	* d30v-insns (SRL2H): Use new RbHU and RbLU macros instead of
	RbH and RbL.

Mon Apr 13 16:59:00 1998  Fred Fish  <fnf@cygnus.com>

	* d30v-insns (do_srl): Avoid undefined behavior of host compiler
	when shifting left by more than 31 bits.

Tue Apr  7 18:09:00 1998  Fred Fish  <fnf@cygnus.com>

	* engine.c (sim_engine_run): Remove at_loop_end variable. Add
	rp_was_set and rpt_c_was_nonzero variables.  Major restructuring of
	code before and after instruction execution to properly handle state
	of the RP bit in the PSW, the value in RPT_C, and other loop related
	problems.

Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Fri Apr  3 15:26:00 1998  Fred Fish  <fnf@cygnus.com>

	* d30v-insns (do_trap): Use offset from EIT_VB rather than hardcoded
	BASE_ADDRESS constant.
	* cpu.h (BASE_ADDRESS): Remove constant not used any longer.

Fri Apr  3 14:42:00 1998  Fred Fish  <fnf@cygnus.com>

	* cpu.h (EIT_VB): Define macro to access EIT_VB register.
	(EIT_VB_DEFAULT): Define value of EIT_VB register after reset.
	* sim-calls.c (sim_create_inferior): Set EIT_VB to EIT_VB_DEFAULT.

Tue Mar 31 19:00:00 1998  Fred Fish <fnf@cygnus.com>

	* d30v-insns (do_dbrai): RPT_S is cia plus pcdisp rather than
	just pcdisp.

Mon Mar 30 20:30:00 1998  Fred Fish  <fnf@cygnus.com>

	* engine.c (sim_engine_run): Add at_loop_end.  Rework end of loop
	code to use this to both reset PSW_RP when needed and to set PC
	to RPT_S for another pass through the loop.

Mon Mar 30 16:12:00 1998  Fred Fish  <fnf@cygnus.com>

	* engine.c (sim_engine_run): Change code that handles RPT_* regs
	and PSW_RP bit in PSW so that PSW_RP is always set while executing
	the loop and loop terminates upon completion of the pass for which
	RPT_C is zero.  More closely follow logic in architecture manual.

Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Thu Mar 19 00:25:43 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-calls.c (sim_open): Move memory-region commands back to
 	before the call to sim_parse_args.
	(d30v_option_handler): Implement extmem-size option using
 	memory-delete and memory-region commands.

	* sim-calls.c (d30v_option_handler): Use ANSI-C argument list,
 	correct number and type of arguments.
	
Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Wed Mar 11 13:56:32 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* alu.h (IMEM, MEM, STORE): Replace sim_core_*_map with exec_map,
 	read_map and write_map resp.

	* cpu.c (d30v_read_mem, d30v_write_mem): Ditto.

Mon Mar  2 13:34:08 1998  Fred Fish  <fnf@cygnus.com>

	* d30v-insns (do_repeat): Abort repeat instructions that have
	a repeat count of zero.

Fri Feb 27 18:44:12 1998  Doug Evans  <devans@canuck.cygnus.com>

	* sim-calls.c (sim_open): Update call to sim_add_option_table.

Thu Feb 26 18:34:31 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-calls.c (sim_info): Delete.

Wed Feb 25 14:44:58 1998  Michael Meissner  <meissner@cygnus.com>

	* d30v-insns (mvtsys): If moving to EIT_VB register, and with
	valid bits.  Optimize code somewhat.

	* cpu.h (eit_vector_base_cr): New CR we need to special case.
	(EIT_VALID): Valid bits for EIT_VB register.
	
	* d30v-insns (mv{f,t}sys): When moving to/from PSWH, the value is
	in the low 16 bits of the register.

	* d30v-insns (do_sra): Use a common WRITE32_QUEUE to write back
	results.
	(do_sr{a,l}h): Do shift in 32 bits, only truncate when writing
	result back to the registers.

Tue Feb 24 18:09:52 1998  Fred Fish  <fnf@cygnus.com>

	* Makefile.in (tmp-igen): Use -G gen-zero-r0 option to force
	r0 to always be zero.
	* cpu.h (GPR_SET): Define.

Tue Feb 24 14:12:57 1998  Michael Meissner  <meissner@cygnus.com>

	* d30v-insns (do_sath): Do saturation in 32 bits, before
	converting to 16.
	(sat{,2h,z,hp}): Use imm_5, not imm to get proper zero extend.
	(do_sath_p): Delete, no longer used.
	(sathp): Call do_sath, not do_sath_p.

Mon Feb 23 15:55:14 1998  Michael Meissner  <meissner@cygnus.com>

	* d30v-insns (illegal,wrong_slot): Print \n after PC and before we
	call sim_engine_halt.
	(sr{a,l}hp): Implement missing instructions.
	(do_trap): Print high order PSW bits in human readable fashion.
	(do_{dbra{,i},dbsr{,i},djmp{,i},djsr{,i},repeat}): Set PSW bit RP.

	* alu.h (PSW_SET_QUEUE): New macro to set PSW bits.

	* engine.c (sim_engine_run): Check for RP bit being set, not RPT_C
	being > 0.  If RPT_C is decremented to 0, clear PSW RP bit.

Fri Feb 20 10:13:34 1998  Fred Fish  <fnf@cygnus.com>

	* cpu.h (BASE_ADDRESS): Change from 0xfffff000 to 0xfffff020.

Tue Feb 17 12:39:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-calls.c (sim_store_register, sim_fetch_register): Pass in
 	length parameter.  Return -1.

Fri Feb  6 17:39:54 1998  Michael Meissner  <meissner@cygnus.com>

	* d30v-insns (do_dbrai): Correct typo, use shift, not comparison.

Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Fri Jan 30 08:29:20 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* engine.c (sim_engine_run): Add parameter nr_cpus.

Fri Jan 30 17:09:37 1998  Michael Meissner  <meissner@cygnus.com>

	* d30v-insns (jsrtzr): Check for register == 0, not != 0.

Wed Jan 21 17:52:04 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* engine.c (do_stack_swap): Make type of new_sp unsigned.

Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Mon Jan  5 16:04:17 1998  Andrew Cagney  <cagney@sanguine.cygnus.com>

	* sim-calls.c (sim_info): Call profile_print.

	* sim-main.h: Enable instruction profiling.

Thu Dec 18 12:21:38 1997  Michael Meissner  <meissner@cygnus.com>

	* alu.h (ALU{16,32}_END): Change setting PSW to only set the carry
	and overflow bits.  Don't look at the current value of PSW.
	(PSW_FLAG_SET_QUEUE): Only queue up setting the particular bit in
	question.  Don't look at the current value of PSW.

	* d30v-insns: All instructions that set the PSW, will only queue
	up the particular bits in question that were set by the
	instruction.  Don't look at the current value of PSW.

Wed Dec 17 11:41:44 1997  Michael Meissner  <meissner@cygnus.com>

	* cpu.h (PSW_VALID): Allow EA/DB to be set in the PSW.
	(DPSW_VALID): Like PSW_VALID, but it allows the DS bit to be set.

	* engine.c (trace_alu32): When changing BPSW/DPSW, print the
	special PSW bits.

	* d30v-insns (do_cmp_cc): Fix cmpps and cmpng.
	(do_cmp{,u}_cc): Print which cc value was used if not in switch
	statement.
	(do_cmpu_cc): Remove illegal cases CMPU{EQ,NE,PS,NG}.
	(mvtsys): When setting BPSW or DPSW, and with DPSW_VALID.

Tue Dec 16 18:17:26 1997  Michael Meissner  <meissner@cygnus.com>

	* d30v-insns (mulx2h): Add missing instruction.  Complain if
	register is not even.
	(do_{add,sub}h_ppp): Get correct high/low values.  Also correctly
	handle short immediates.
	(do_ld{2w,4bh}): Don't load r0 if ra == 0.

	* engine.c (d30v_interrupt_event): Remove unused variable
	(unqueue_writes): Ditto.

Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	* config.in: Ditto.

Sat Dec 13 23:40:17 1997  Michael Meissner  <meissner@cygnus.com>

	* cpu.h (_write{32,64}): New structures for keeping track of
	queued writes to registers.
	(_sim_cpu): Add _write{32,64} structures.  Make is_delayed_call
	unsigned32 also.
	(WRITE{32,64}*): New macros for queueing up writes to registers.

	* alu.h (ALU16_END): Take field that says whether we are setting
	the high or low half word.  Queue up changes to registers.
	(ALU32_END): Queue up changes to registers.
	(PSW_FLAG_SET_QUEUE): Like PSW_FLAG_SET, except queues it up.

	* sim-main.h (do_stack_swap): Remove declaration.

	* engine.c (do_stack_swap): Make static.
	(unqueue_writes): New function to unqueue all changes to 32 and 64
	bit registers in order.  Implement --trace-alu.  Reset high water
	marks for # of queued registers.  If PSW changed, possibly update
	stack pointer.
	(do_{long,2_short,parallel}): Unqueue register writes at the
	appropriate time.

	* d30v-insns: Modify all insns to queue changes to registers,
	rather than do them immediately so that parallel instructions get
	the right values for inputs.  Rewrite 16 bit operations to be done
	in terms of masked 32 bit registers.  Don't call do_stack_swap any
	more here.

Thu Dec 11 10:06:02 1997  Michael Meissner  <meissner@cygnus.com>

	* sim-calls.c (d30v_option_handler): Add support for --extmem-size
	to size external memory.
	(sim_open): Ditto.  Default if no --extmem-size option is 8 meg.

Wed Dec 10 01:08:24 1997  Jim Blandy  <jimb@zwingli.cygnus.com>

	* d30v-insns (do_rot2h): Clip rotate amounts to four bits.  The
 	upper bits, and the sign of the rotation amount, are red herrings.
	(do_sra, do_srl): Handle shifts greater than 32 bits.
	(do_srah, do_sral): Properly sign-extend value and shift amount.
	Handle shifts larger than 16 bits.

Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Mon Dec  1 15:10:44 1997  Michael Meissner  <meissner@cygnus.com>

	* d30v-insns (do_sub2h): For short instruction, correctly
	dupplicate lower 16 bits of immediate in upper 16 bits.
	(sat2z): Fix typo that ignored the upper half of the register.
	(do_satz): If < 0, set *ra to 0, if not call do_sat.
	(mvtsys): Before setting PSW, and with PSW_VALID.

	* cpu.h (PSW_VALID): Mask for bits in PSW that is valid.

Mon Dec  1 15:05:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
	
	* d30v-insns (do_trap): Pacify GCC - correct type of %ld arg in
 	printf, return dummy at end.
	
Mon Dec  1 15:05:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* d30v-insns (do_add, do_addh_ppp, do_adds): Replace ALU_ADD with
 	ALU_ADDC.
	(do_addc): Replace ALU_SET_CARRY / ALU_ADD_CA with ALU_ADDC_C.
	(do_sub, do_subh_ppp): Replace ALU_SUB with ALU_SUBB.
	(do_subb): Replace ALU_SET_CARRY / ALU_SUB_CA with ALU_SUBB_B.

	* alu.h (ALU16_END): Use ALU16_HAD_CARRY_BORROW instead of
 	ALU16_HAD_CARRY.
	(ALU32_END): Ditto.

	* sim-main.h (string.h, strings.h): Include.
	
	* sim-calls.c: Delete inclusion of string.h and strings.h.
	
Sun Nov 30 17:29:25 1997  Michael Meissner  <meissner@cygnus.com>

	* configure.in (--enable-sim-trapdump): New switch to control
	whether traps 0..30 dump out the registers or do the real trap.
	* configure: Regenerate.

	* Makefile.in (SIM_EXTRA_CLFAGS): Add -DTRAPDUMP={0,1} if
	appropriate --{en,dis}able-sim-trapdump is done.

	* sim-calls.c (OPTION_TRACE_CALL): Rename from OPTION_CALL_TRACE.
	(OPTION_TRACE_TRAPDUMP): New option for --trace-trapdump.
	(d30v_option_handler): Add support for --trace-trapdump.
	(d30v_options): Ditto.
	(sim_open): Ditto.

	* d30v-insns (do_trap): Do register dump if --trace-trapdump and
	not the system call trap.  Remove support for calling old function
	sim_io_syscalls.

Sat Nov 29 18:54:55 1997  Michael Meissner  <meissner@cygnus.com>

	* cpu.h (_sim_cpu): Add trace_call_p, trace_action fields.
	(TRACE_CALL_P): Non-zero if --trace-call.
	(TRACE_ACTION): Non-zero if there is a tracing action at the end
	of processing an instruction boundary.
	(TRACE_ACTION_{CALL,RETURN}): Bits to say trace call & return.
	(d30v_next_insn): Delete, now trace_action field in cpu state.

	* cpu.c (d30v_next_insn): Delete, now trace_action field in cpu
	state.
	(return_occurred): Minimum saved register to check is now 34.

	* engine.c (sim_engine_run): Change call tracing to use
	trace_action field in cpu state.

	* sim-calls.c (d30v_option_handler): Handle d30v specific options.
	(d30v_options): D30V specific options.  Right now, --trace-call.
	(sim_open): Register d30v specific options.

	* d30v-insns (call, return insns): Move --trace-debug call/return
	tracing action to d30v specific --trace-call option.

Fri Nov 28 20:12:48 1997  Michael Meissner  <meissner@cygnus.com>

	* cpu.h (CREG): Rename from CR.

	* d30v-insns (do_{addc,subb}): Explicitly import the carry bit.
	(do_trap): Use CREG, not CR.  Switch to using cb_syscall.

Thu Nov 27 19:25:43 1997  Michael Meissner  <meissner@cygnus.com>

	* cpu.h (ACC): Define as short cut to accumulators.

	* d30v-insns (do_rot): Delete explicit function, use ROT32 to do
	rotate instruction.
	(do_trap): Make trap 30 print out accumulators and first 16
	control registers as well.
	(do_avg): Sign extend to 64 bit type before doing add/shift.
	(do_avg2h): Sign extend 16 bit chunks before doing add/shift.

Wed Nov 26 15:20:24 1997  Doug Evans  <devans@canuck.cygnus.com>

	* Makefile.in (NL_TARGET): Define.

Wed Nov 26 16:55:38 1997  Michael Meissner  <meissner@cygnus.com>

	* cpu.h (d30v_next_insn): New flag for things we are supposed to
	trace between instruction words.
	({call,return}_occurred): Remove index argument.
	(d30v_{read,write}_mem): Add declarations.

	* cpu.c (d30v_next_insn): New flag for things we are supposed to
	trace between instruction words.
	({call,return}_occurred): Remove index argument.
	(d30v_{read,write}_mem): New functions for reading/writing
	simulated memory in the new common system call support.

	* d30v-insns: Set emacs C mode.
	(call/return insns): Set bit to trace call at instruction
	boundary, rather than doing it here.
	(do_trap): Set up to use new common system call interface.

	* engine.c (sim_engine_run): If d30v_next_insn is non zero, do
	function call/return tracing.

Mon Nov 24 16:40:49 1997  Michael Meissner  <meissner@cygnus.com>

	* d30v-insns (bnot): Correctly reset bit in question.
	(do_trap): Use common system call emulation support, rather than
	our home grown support.

Sun Nov 23 22:47:20 1997  Michael Meissner  <meissner@cygnus.com>

	* d30v-insns (mvfacc): Immediate field is unsigned, allowing
	shifts of up to 63 to be encoded.  Also do shift signed, rather
	than unsigned.

	* ic-d30v (IMM_6S): Add field for 6 bit unsigned constants.

	* d30v-insns (cmpu): Short cmpu zero extends immediate, not sign
	extends.

Sat Nov 22 19:04:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* d30v-insns (illegal, wrong_slot): Replace SIGILL with
 	SIM_SIGILL.

	* sim-calls.c (signal.h): Do not include, replaced by
 	sim-signal.h.

	* sim-main.h (signal.h): Do not include, include sim-signal.h
 	instead.

Fri Nov 21 09:33:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* cpu.c (call_occurred): Use ZALLOC instead of xmalloc.
	(return_occurred): Use zfree instead of free.

Wed Nov 19 13:28:09 1997  Michael Meissner  <meissner@cygnus.com>

	* Makefile.in ({l,s}_{support,semantics}.o): Depend on the include
	files in $(ENGINE_H).

	* d30v-insns (do_{add,addc,sub,subb}): ALU_{ADD,SUB}_CA now takes
	a VAL argument to add/subtract along with the carry.

Tue Nov 18 15:33:48 1997  Doug Evans  <devans@canuck.cygnus.com>

	* Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).

Tue Nov 18 13:56:15 1997  Michael Meissner  <meissner@cygnus.com>

	* d30v-insns (do_trap): Change to new system call numbers.  Add
	read emulation.

Mon Nov 17 14:43:45 1997  Michael Meissner  <meissner@cygnus.com>

	* d30v-insns (mulx): Add mulx instruction.

Sun Nov 16 19:06:56 1997  Michael Meissner  <meissner@cygnus.com>

	* cpu.c ({call,return}_occurred): New trace functions to mark
	function calls and returns and check whether all saved registers
	really were saved.

	* cpu.h ({call,return}_occurred): Add declaration.

	* d30v-insns ({bsr, jsr} patterns): Call call_occurred if
	--trace-debug to trace function calls.
	(jmp register pattern): If this is a jump r62 and --trace-debug,
	call return_occurred to trace function calls.
	(bsr{tnz,tzr}): Move setting r62 inside conditional against reg.
	(do_ld2w): Grab memory in 64-bit chunk, to check alignment.
	(do_st2w): Ditto.

Sat Nov 15 20:57:57 1997  Michael Meissner  <meissner@cygnus.com>

	* d30v-insns: Undo changes from Nov. 11, allowing for odd register
	pairs, since the machine doesn't support such usage.  Trap on odd
	registers, rather than give a warning.  Keep do_src and do_trap
	changes.

Fri Nov 14 11:59:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* d30v-insns (do_trap): Pacify compiler warnings for printf calls.

Tue Nov 11 18:26:03 1997  Michael Meissner  <meissner@cygnus.com>

	* d30v-insns (not_r63_reg): Rename from make_even_reg, only check
	for register being r63.  Change callers ld2{h,w}, ld4bh{,u}.
	(get_reg_not_r63): Rename from get_even_reg, and only check for
	register r63.  Change callers st2{w,h}, st4b.
	(do_src): Correct register pair for shift left.
	(do_trap): Temporarily make trap 30 print out the registers.

Tue Nov  4 08:51:22 1997  Michael Meissner  <meissner@cygnus.com>

	* d30v-insns (do_trap): Make trap 31 be used for system calls.
	Add primitive write and exit system calls.

	* Makefile (FILTER): New make variable to filter out known igen
	warnings.
	(tmp-igen): Add $(FILTER) on all 3 invocations of igen to filter
	out warnings that should be ignored by default.

Fri Oct 31 19:36:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-calls.c (sim_open): Change EIT to memory region.

Fri Oct 17 16:51:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* alu.h (ALU16_END): Get result from ALU16_OVERFLOW_RESULT.
	(ALU32_END): Get result from ALU32_OVERFLOW_RESULT.

Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Mon Sep 29 15:23:35 1997  Stu Grossman  <grossman@babylon-5.cygnus.com>

	* d30v-insns (MVFSYS MVTSYS):  Fix bit patterns so that these
	instructions get recognised.

Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Wed Sep 24 17:51:43 1997  Stu Grossman  <grossman@babylon-5.cygnus.com>

	* Makefile.in (SIM_OBJS):  Add sim-break.o.
	* (INCLUDE_DEPS):  Add tconfig.h.
	* alu.h (MEM STORE):  Change to sim_core_read/write_unaligned to
	allow for trapping unaligned accesses.
	* cpu.h:  Define SIM_BREAKPOINT as syscall 5 for intrinsic breakpoint
	mechanism.
	* d30v-insn (short syscall):  Use syscall 5 for breakpoint insn.
	* sim-calls.c (sim_fetch_register sim_store_register):  Implement.
	* tconfig.in:  Define SIM_HAVE_BREAKPOINTS to enable intrinsic
	breakpoint mechanism.
	
Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Tue Sep 23 10:19:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* Makefile.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
 	SIM_HOSTENDIAN, SIM_RESERVED_BITS): Delete, moved to common.
	(SIM_EXTRA_CFLAGS): Update.
	
Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure.in: Specify strict alignment.
	* configure: Regenerated to track ../common/aclocal.m4 changes.

Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Fri Sep 12 16:13:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>

        * sim-calls.c (sim_open): Change memory to
        internal inst. RAM h'00000000-h'0000ffff (64KB)
        internal data RAM  h'20000000-h'20007fff (32KB)
        external RAM       h'80000000-h'803fffff (4MB)
        EIT                h'fffff000-h'ffffffff


Thu Sep 11 08:59:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* Makefile.in (SIM_OBJS): Add sim-hrw.o module.

	* sim-calls.c (sim_read): Delete. use sim-hrw.
	(sim_write): Delete, use sim-hrw.
	

Tue Sep  9 01:36:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* ic-d30v (imm_5): Update nr args passed to LSMASKED.

	* d30v-insns (do_sat, do_sath, do_sath_p, do_satz, do_satzh): Fix,
 	computing the max sat value incorrectly.

Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Fri Sep  5 09:15:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* d30v-insns (do_mac, do_macs, do_msub, do_mulxs): Use explicit
 	type cast instead of SIGNED64 macro.

Thu Sep  4 10:28:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* Makefile.in (SIM_OBJS): Include sim-memopt.o module.

	* sim-calls.c (sim_open): Pass zero modulo arg to sim_core_attach
 	calls.
	(sim_open): If no memory, use memory commands to establish d30v
 	ram.
	(d30v_option_handler): Delete, replased by sim-memopt.c.
	(sim_create_inferior): Call sim_module_init.

	* sim-main.h (struct sim_state): Remove members eit_ram,
 	sizeof_eit_ram, external_ram, baseof_external_ram,
 	sizeof_external_ram. Using generic memory model instead.

Mon Sep  1 11:04:09 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-calls.c (sim_open): Use sim_state_alloc.

Sat Aug 30 10:01:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-main.h (INVALID_INSTRUCTION_ADDRESS): Define.

	* engine.c (do_2_short): Compare with INVALID_INSTRUCTION_ADDRESS
 	not -1.

Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	* config.in: Ditto.

Wed Aug 27 13:41:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-calls.c (sim_open): Add call to sim_analyze_program, update
 	call to sim_config.

	* sim-calls.c (sim_create_inferior): Add ABFD argument.
  	Initialize CPU registers including PC.
	(sim_load): Delete, using sim-hload.

	* Makefile.in (SIM_OBJS): Add sim-hload.o module.

Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	* config.in: Ditto.

Mon Aug 25 15:41:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-calls.c (sim_open): Add ABFD argument.
	(sim_open): Move sim_config call to after sim_parse_args.
	(sim_open): Check sim_config return status.

Fri Aug 22 16:38:59 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* d30v-insns (do_subh_ppp): Correct name, was do_sub_ppp.
	(do_subh_ppp): Compute rc=rb-src instead of src-rb.
	(do_addh_ppp): Ditto.
	
Fri Jun 27 14:43:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* d30v-insns (mvfsys, mvtsys): Switch instruction encodings, was
 	wrong.  Update handling of PSW[DS] bit.
	(dbt): Fix debug trap address.

	* cpu.h (NR_CONTROL_REGISTERS): Allow the full 64 registers.

Tue Jun 24 12:41:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* d30v-insns (DBT, RTD): Swap the stack after updating the PSW.
	(DBT): Use PSW_SET to update PSW.
	
	* alu.h (ALU16_END): Check for 16 bit carry and not 32 bit.

Tue Jun 24 12:16:14 1997  Andrew Cagney  <cagney@b2.cygnus.com>

	* d30v-insns (ppp, ccc, pp, XX, p): Update format functions so
 	that they are of class %s instead of class function.

Tue Jun 10 12:26:39 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-main.h (engine_error, engine_restart, engine_halt,
 	engine_run_until_stop): Delete prototypes.  Functions deleted
 	earlier.
	(do_interrupt_handler): Add prototype.
	(sim_state): Add pending_event member to struct.

	* sim-calls.c (sim_open): Configure interrupt handler.
	* engine.c (d30v_interrupt_event): New function.  Deliver external
 	interrupt to processor.

	* d30v-insns (do_stack_swap): Move function from here.
	* engine.c (do_stack_swap): To here.
	* sim-main.h (do_stack_swap): Add prototype.
	
	* cpu.h (registers): Change current_sp to an int.
	* d30v-insn (do_stack_swap): Update.
	
Thu Jun  5 12:54:35 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* d30v-insns (LD*, ST*): Disasemble XX == 0 as immed version of
 	instruction.
	(str_XXX): Fix case of XX == 3 - return "-".

Thu Jun  5 12:54:35 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* engine.c (sim_engine_run): Issuing L->R and R->L instructions in
 	wrong order.

	* d30v-insn (CMPUcc imm long): With of RB field should be 6 not
 	three.
	(MUL, MUL2H, MULHX): X field 01 instead of 10.

Thu Jun  5 12:54:35 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* d30v-insns (mvtsys): Don't modify DS bit when writing to PSW.
	(dbt, rtd): New instructions.

	* cpu.h (NR_CONTROL_REGISTERS): Now 15.
	(debug_program_status_word_cr, debug_program_counter_cr): Add
 	debug control registers. Renumber other control registers.
	(PSW_DS): New PSW bit.
	(DPC, DPSW): Define.

Wed May 28 13:45:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* engine.c (sim_engine_run): Check the event queue on every cycle.

	* sim-calls.c (sim_size): Delete.
	(sim_do_command): Call sim_args_command.
	(sim_open): Move eit_ram and sizeof_eit_ram to sim_state struct.
	(simulation): Delete global now depend on sd argument.
	(sim_open): Initialize sim-watch.
	(d30v_option_handler): New function, parse mem-size argument.

Tue May 27 14:03:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-calls.c (sim_set_callbacks): Delete.
	(sim_write): Pass NULL cpu arg to sim_core_write_buffer.

	* engine.c (engine_init): Delete.  Handled in sim_open.
	(engine_create): Ditto.
	
Tue May 20 10:15:35 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-calls.c (sim_open): Add callback argument.
	(sim_set_callbacks): Delete SIM_DESC argument.

Mon May 19 14:59:32 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-calls.c (sim_open): Set the sim.base magic number.

Fri May 16 15:25:59 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* d30v-insns: Replace engine_error with common sim_engine_abort.
	* cpu.c (is_condition_ok, is_wrong_slot): Ditto.

	* engine.c (engine_run_until_stop): Rename this.
	(sim_engine_run): To this. Simplify - most moved to common.

	* sim-calls.c (sim_stop_reason, sim_resume, sim_stop):
 	Delete. Replaced by common code.

	* engine.c (engine_error, engine_restart, engine_halt): Ditto.
	
	* sim-main.h (SIM_ENGINE_RESTART_HOOK, SIM_ENGINE_HALT_HOOK):
 	Define as NOPs.

Mon May  5 23:05:41 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* alu.h (IMEM, MEM, STORE): Update to reflect changes to core in
 	../common.
	* sim-calls.c (sim_open): Ditto.

	* alu.h, cpu.h, cpu.c, d30v-insn, dc-short: Clean up copyright
 	notice.

Fri May  2 12:01:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-calls.c (sim-options.h, sim-utils.h): Include.
	* Makefile.in (sim-calls.o): Add dependencies.

	* d30v-insns (address_word): Remove cia argument from support
 	functions, igen now does this automatically.

	* Makefile.in (tmp-igen): Include line number information in
 	generated files.

	* sim-main.h (SIM_DESC): Remove sim_events and sim_core, moved to
 	simulator base type sim_state_base.
	(sim-core.h, sim-events.h, sim-io.h): Replace with #include
	"sim-base.h".

	* sim-main.h (sim_state): Track recomendations in common
 	directory.
  	* cpu.h (sim_cpu): Ditto.
  	* engine.c (do_2_short, do_parallel): Ditto.
	* cpu.h (GPR): Ditto.
	* alu.h (MEM, IMEM, STORE): Ditto.
	* cpu.c (is_wrong_slot): Ditto.
	* ic-d30v (Aa, Ab): Ditto.

Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	* Makefile.in (SIM_OBJS): Add sim-module.o, sim-profile.o.
	* sim-calls.c (sim_open): Call sim_module_uninstall if argument
	parsing fails.  Call sim_post_argv_init.
	(sim_close): Call sim_module_uninstall.

Fri Apr 18 13:44:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-calls.c (sim_stop): New function.

Thu Apr 17 02:57:55 1997  Doug Evans  <dje@canuck.cygnus.com>

	* Makefile.in (SIM_OBJS): Add sim-load.o, sim-options.o, sim-trace.o.
	(SIM_EXTRA_{LIBS,LIBDEPS,ALL,INSTALL}): Delete.
	(SIM_RUN_OBJS): Change from run.o to nrun.o.
	* cpu.h (sim_cpu): New member base.  Delete members trace, sd.
	(cpu_traces): Delete.
	* engine.c (engine_init): Set backlink from cpu to state.
	* sim-calls.c: #include bfd.h.
	(sim_open): Set STATE_OPEN_KIND.  Call sim_pre_argv_init,
	sim_parse_args.
	(sim_load): Return SIM_RC.  New arg abfd.
	Call sim_load_file to load file into simulator.
	(sim_create_inferior): Return SIM_RC.  Delete arg start_address.
	(sim_trace): Delete.
	* sim-main.h (struct sim_state): sim_state_base is typedef now.
	(STATE_CPU): Define.

Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	* config.in: Ditto.

Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>

	* Makefile.in (SIM_EXTRA_DEPS): Define.
	(SIM_OBJS): Add sim-utils.o.
	(SIM_GEN): Delete tmp-common.
	(SIM_EXTRA_CLEAN): Delete clean-common.
	(BUILT_SRC_FROM_COMMON): Moved to ../common/Make-common.in.
	(tmp-common,clean-common): Delete.
	(ENGINE_H): sim-state.h renamed to sim-main.h.
	(clean-igen): Delete tmp-insns.

	* cpu.c: sim-state.h renamed to sim-main.h.
	* engine.c: Likewise.
	* sim-calls.c: Likewise.
	(zalloc,zfree): Moved to ../common/sim-utils.c.
	* sim-main.h: Renamed from sim-state.h.

	* sim-calls.c (sim_open): New arg `kind'.

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Wed Apr  2 11:13:15 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* Makefile.in (SIM_OBJS): Link in the recently added sim-config.o

	* engine.c (current_target_byte_order, current_host_byte_order,
 	current_environment, current_alignment, current_floating_point,
 	current_model_issue, current_stdio): Delete, moved to
 	../common/sim-config.c

Mon Mar 24 14:50:30 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* d30v-insns (do_ldw): Load 4 bytes not 2.
	(do_incr, LD*, ST*): Increment register not its value.

Mon Mar 24 09:59:53 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* cpu.c (is_wrong_slot): Ditto.
	(is_condition_ok): Ditto.

	* sim-calls.c (sim_trace): Ditto.

	* engine.c (engine_init): Ditto.
	(do_2_short): Ditto.
	(engine_run_until_stop): Ditto.

	* d30v-insns (void): Update. For functions, remove `SIM_DESC sd'
 	and `cpu *processor' arguments as igen now handles this.

	* cpu.h: Rename struct _cpu to struct _sim_cpu. Rename variable
 	processor to cpu.

	* sim-state.h: Update.

Fri Mar 21 12:52:12 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* d30v-insns (do_sat): Correct calculation of saturate lower
 	bound.
	(do_sath): Ditto.
	(do_satzh, do_satz): Arguments should be signed.
	
	* sim-calls.c (zalloc): Use malloc() instead of xmalloc() for
 	moment.
	(filter_filename): Drop.

	* cpu.h (is_wrong_slot): Correct declaration name - was
 	is_valid_slot.

	* engine.c (do_parallel): Plicate GCC.
	(engine_error): Ditto.
	(engine_run_until_stop): Ditto.
	* cpu.c (is_wrong_slot): Ditto.
	(is_condition_ok): Ditto.
	* sim-calls.c (sim_size): Ditto.
	(sim_read): Ditto.
	(sim_trace): Ditto.
	
	* engine.h, engine.c (engine_create): Add missing prototype to
 	header file.  Clean up missing variables.

	* configure.in (unistd.h, string.h, strings.h): Configure in.
	* configure, config.in: Rebuild.

Thu Mar 20 19:40:20 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* d30v-insns (void): Provide a second emul instruction using a
 	branch prefix.

Tue Mar 18 20:51:42 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* d30v-insn (do_sat*): Pass all necessary args.
	
Tue Mar 18 18:49:10 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* d30v-insns (SAT*): Issue warning when bit overflow.
	(EMUL): Exit with GPR[2] not 2.

Tue Mar 18 14:24:09 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* sim-state.h: New file rename engine.h.
	(sim_state): Rename engine strut to sim_state, rename events and
 	core members.
	
	* engine.c: Update.
	* cpu.h, cpu.c: Ditto.
	* alu.h: Ditto.
	* d30v-insns: Ditto.
	* sim-calls.c: Ditto.

	* Makefile.in (sim-*.c): Moved to ../common.

Tue Mar 18 10:39:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* d30v-insns (do_mac): Adding wrong register.
	(do_macs): Ditto.
	(do_msub): Ditto.
	(do_msubs): Ditto.

	* ic-d30v: Put back definitions of RaH, RaL, et.al.
	(do_sra2h, do_srah): Use.
	(do_srl2h, do_srlh): Use.
	
	* d30v-insns (SAT, SAT2H, SATp, SATZ): Implement saturate.

Tue Mar 18 03:01:25 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* d30v-insns: Specify wild insted of reserved bits.
	(void): 

Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* configure: Re-generate.

Mon Mar 17 14:35:37 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* Makefile.in (SIM_EXTRA_CFLAGS), configure.in: Include SIM_*
 	options. Allow RESERVED_BITS to be configured.
	* configure: Re-generate.
	
	* Makefile.in (sim-*.h): Drop, not needed.
	(sim-*.c): Make each explicit so that they automatically update.

Sat Mar 15 02:34:30 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* ic-d30v (imm long): Incorrect calculation.

	* d30v-insns (EMUL): Finish exit, write-string emul-call.

	* sim-calls.c (sim_trace): Have sim-trace enable basic instruction
 	tracing.

Sat Mar 15 02:10:31 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* configure.in: Enable common options - endian, inline and
 	warnings.
	* configure: Regenerate.
	
Fri Mar 14 16:11:50 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* Makefile.in (cpu.o): Update dependencies.
	* cpu.c (is_condition_ok): Update PSW bit manipulations.

Fri Mar 14 12:49:20 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* configure.in: Autoconfig m4
	* configure: Regenerate.

	* Makefile.in: Use m4 to preprocess d30v-insns.
	* d30v-insn: Adjust.

Thu Mar 13 12:44:54 1997  Doug Evans  <dje@canuck.cygnus.com>

	* sim-calls.c (sim_open): New SIM_DESC result.  Argument is now
	in argv form.
	(other sim_*): New SIM_DESC argument.

Wed Mar 12 19:05:45 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* sim-calls.c (sim_open): Create all the d30v RAM blocks.

	* engine.c (engine_run_until_stop): Handle delayed subroutine
 	call.
	* d30v-insn: Ditto.
	
	* ic-d30v: For Rb and Rc always return the value and not the
 	equation.
	* d30v-insn: Use.
	
	* ic-d30v (val_Ra): Returns 0 or RA.
	* d30v-insn: Use.
	
	* d30v-insn (make_even_reg, get_even_reg): New functions. Force
 	the register index to be even, issusing a warning if it was not.
	(LD*, ST*): Use.
	
Wed Mar 12 14:57:26 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* d30v-insns (do_trap): Implement TRAP instruction.

	* alu.h (PSW_F, PSW_FLAG_VAL, PSW_FLAG_SET): New macro, map flag
 	onto PSW bit.
	* ic-d30v: Drop F* expressions.
	* d30v-insn: Use more explicit PSW_FLAG_ ops.
	* cpu.h (PSW_*): Redo PSW bit values.
	* alu.h (ALU*_END): Update. Fix setting of overflow - logic was
 	backwards.
	
	* d30v-insn (MVFSYS, MVTSYS): Implement.
	* cpu.h (PSWH, PSWL): New macros for high, low word of PSW.
	
Wed Mar 12 14:12:11 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* cpu.h (RPT_IS_CALL): New macro for processor field
 	is_delayed_call.  That in turn used as a flag to indicate if a
 	delayed branch or delayed call is to occure.
	* d30v-insns (do_dbra): Set/clear RPT_IS_CALL;
	(do_dbrai): Ditto.
	(do_dbsr): Ditto.
	(do_dbsr): Ditto.
	(do_djmp): Ditto.
	(do_djmpi): Dotto.
	(do_djsr): Ditto.
	(do_djsri): Ditto.
	(void): 

	* d30v-insn (do_incr): Finish - handle modulo registers.
	
	* d30v-insns (CMPU): Include all possible compare
 	operations. Issue a warning where op defined by the processor
 	spec.
	
Wed Mar 12 13:55:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* d30v-insns: Add a new instruction class _EMUL and a new
 	instruction EMUL that emulates a few basic IO operations.

	* Makefile.in (tmp-igen): Filter in emul instructions.

Fri Mar  7 20:32:13 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* d30v-insns (void): Fill in the gaps.

Wed Feb 26 09:31:10 1997  Andrew Cagney  <cagney@kremvax.tpgi.com.au>

	* Makefile.in (tmp-igen): Include ic-d30v in dependencies.

	* ic-d30v (cache): Update to use H_word, L_word added to
 	sim-endian.h.

Tue Feb 25 15:26:51 1997  Andrew Cagney  <cagney@kremvax.tpgi.com.au>

	* Makefile.in (tmp-igen): Correctly run $(MAKE).

Thu Feb 20 20:30:31 1997  Andrew Cagney  <cagney@critters.cygnus.com>

	* Makefile.in (FROM_IGEN, FROM_COMMON): Make the igen generated
 	files dependant on tmp-igen. Define ENGINE_H.
	
Sun Feb 16 16:42:48 1997  Andrew Cagney  <cagney@critters.cygnus.com>

	* configure.in: New file - follow Doug Evans instructions.
	* Makefile.in: Ditto.