aboutsummaryrefslogtreecommitdiff
path: root/sim/mn10300/ChangeLog
blob: a53c8eb36fa26729fdf9934fa03d89e68527a2e6 (plain)
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
2002-11-28  Andrew Cagney  <cagney@redhat.com>

	* sim-main.h: Only include "idecode.h" once.
	* Makefile.in (SIM_EXTRA_DEPS): Define.

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

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

2002-06-09  Andrew Cagney  <cagney@redhat.com>

	* Makefile.in (INCLUDE): Update path to callback.h.
	* mn10300_sim.h: Include "gdb/callback.h" and "gdb/remote-sim.h".
	* tconfig.in: Ditto.

2001-05-06  Jim Blandy  <jimb@redhat.com>

	* mn10300.igen: Doc fixes.
	
2001-04-26  Alexandre Oliva  <aoliva@redhat.com>

	* Makefile.in (idecode.o, op_utils.o, semantics.o, simops.o):
	Depend on targ-vals.h.

2001-04-15  J.T. Conklin  <jtc@redback.com>

	* Makefile.in (simops.o): Add simops.h to dependency list.

Wed Aug  9 02:24:53 2000  Graham Stott  <grahams@cygnus.co.uk>

	* am33.igen: Warning clean-up.
	(movm): Initialize PC and mask.
	(mov, movbu, movhu): Set srcreg2 from RI0.
	(bsch): Initialize c.
	(sat16_cmp): Actually do the comparison.
	(mov_llt): Do not overwrite dstreg with uninitialized variable.

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

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

2000-05-22  Alexandre Oliva  <aoliva@cygnus.com>

	* am33.igen: Fix leading comments of SP-relative offset insns that
	referred to other registers.  Make their offsets unsigned.

2000-05-18  Alexandre Oliva  <aoliva@cygnus.com>

	* mn10300_sim.h (genericAdd, genericSub, genericCmp, genericOr,
	genericXor, genericBtst): Use `unsigned32'.
	* op_utils.c: Likewise.
	* mn10300.igen, am33.igen: Use `unsigned32', `signed32',
	`unsigned64' or `signed64' where type width is relevant.

2000-04-25  Alexandre Oliva  <aoliva@cygnus.com>

	* am33.igen (inc4 Rn): Use genericAdd so as to modify flags.

2000-04-09  Alexandre Oliva  <aoliva@cygnus.com>

	* am33.igen: Make SP-relative offsets unsigned.  Add `*am33' for
	some instructions that were missing it.

2000-03-03  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>

	* Makefile.in (IGEN_INSN): Added am33.igen.

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

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

Tue Jul 13 13:26:20 1999  Andrew Cagney  <cagney@b1.cygnus.com>

	* interp.c: Clarify error message reporting an unknown board.

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

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	
1999-04-16  Frank Ch. Eigler  <fche@cygnus.com>

	* interp.c (program_interrupt): Detect undesired recursion using
 	static flag.  Set NMIRC register's SYSEF flag during
 	--board=stdeval1 mode.
	* dv-mn103-int.c (write_icr): Add backdoor address to allow CPU to
	set SYSEF flag.

1999-04-02  Keith Seitz  <keiths@cygnus.com>

	* Makefile.in (SIM_EXTRA_CFLAGS): Define a POLL_QUIT_INTERVAL
	for use in the simulator so that the poll_quit callback is
	not called too often.

Tue Mar  9 21:26:41 1999  Andrew Cagney  <cagney@b1.cygnus.com>

	* dv-mn103int.c (mn103int_ioctl): Return something.
	* dv-mn103tim.c (write_tm6md): GCC suggested parentheses around &&
 	within ||.

Tue Feb 16 23:57:17 1999  Jeffrey A Law  (law@cygnus.com)

	* mn10300.igen (retf): Fix return address computation and store
	the new pc value into nia.

1998-12-29  Frank Ch. Eigler  <fche@cygnus.com>

	* Makefile.in (WITH_COMMON_OBJS): Build also dv-sockser.o.
	* interp.c (sim_open): Add stub mn103002 cache control memory regions.
	Set OPERATING_ENVIRONMENT on "stdeval1" board.
	(mn10300_core_signal): New function to intercept memory errors.
	(program_interrupt): New function to dispatch to exception vector
	(mn10300_exception_*): New functions to snapshot pre/post exception
	state.
	* sim-main.h (SIM_CORE_SIGNAL): Define hook - call mn10300_core_signal.
	(SIM_ENGINE_HALT_HOOK): Do nothing. 
	(SIM_CPU_EXCEPTION*): Define hooks to call mn10300_cpu_exception*().
	(_sim_cpu): Add exc_* fields to store register value snapshots.	
	* dv-mn103ser.c (*): Support dv-sockser backend for UART I/O.
	Various endianness and warning fixes.
	* mn10300.igen (illegal): Call program_interrupt on error.
	(break): Call program_interrupt on breakpoint
	
	Several changes from <janczyn@cygnus.com> and <cagney@cygnus.com>
	merged in:
	* dv-mn103int.c (mn103int_ioctl): New function for NMI
	generation. (mn103int_finish): Install it as ioctl handler.
	* dv-mn103tim.c: Support timer 6 specially.  Endianness fixes.
	
Wed Oct 14 12:11:05 1998  Jeffrey A Law  (law@cygnus.com)

	* am33.igen: Allow autoincrement stores using the same register
	for source and destination operands.

Mon Aug 31 10:19:55 1998  Jeffrey A Law  (law@cygnus.com)

        * am33.igen: Reverse HI/LO outputs of 4 operand "mul" and "mulu".

Fri Aug 28 14:40:49 1998  Joyce Janczyn  <janczyn@cygnus.com>

	* interp.c (sim_open): Check for invalid --board option, fix
	indentation, allocate memory for mem control and DMA regs.

Wed Aug 26 09:29:38 1998  Joyce Janczyn  <janczyn@cygnus.com>

	* mn10300.igen (div,divu): Fix divide instructions so divide by 0
	behaves like the hardware.

Mon Aug 24 11:50:09 1998  Joyce Janczyn  <janczyn@cygnus.com>

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

Wed Aug 12 12:36:07 1998  Jeffrey A Law  (law@cygnus.com)

	* am33.igen: Handle case where first DSP operation modifies a 
	register used in the second DSP operation correctly.

Tue Jul 28 10:10:25 1998  Jeffrey A Law  (law@cygnus.com)

	* am33.igen: Detect cases where two operands must not match for
	DSP instructions too.

Mon Jul 27 12:04:17 1998  Jeffrey A Law  (law@cygnus.com)

	* am33.igen: Detect cases where two operands must not match in
	non-DSP instructions.

Fri Jul 24 18:15:21 1998  Joyce Janczyn  <janczyn@cygnus.com>

	* op_utils.c (do_syscall): Rewrite to use common/syscall.c.
	(syscall_read_mem, syscall_write_mem): New functions for syscall
	callbacks.
	* mn10300_sim.h: Add prototypes for syscall_read_mem and
	syscall_write_mem. 
	* mn10300.igen: Change C++ style comments to C style comments.
	Check for divide by zero in div and divu ops.

Fri Jul 24 12:49:28 1998  Jeffrey A Law  (law@cygnus.com)

	* am33.igen (translate_xreg): New function.  Use it as needed.

Thu Jul 23 10:05:28 1998  Jeffrey A Law  (law@cygnus.com)

	* am33.igen: Add some missing instructions.

	* am33.igen: Autoincrement loads/store fixes.

Tue Jul 21 09:48:14 1998  Jeffrey A Law  (law@cygnus.com)

	* am33.igen: Add mov_lCC DSP instructions.

	* am33.igen: Add most am33 DSP instructions.

Thu Jul  9 10:06:55 1998  Jeffrey A Law  (law@cygnus.com)

	* mn10300.igen: Fix Z bit for addc and subc instructions.
	Minor fixes in multiply/divide patterns.

	* am33.igen: Add missing mul[u] imm32,Rn.  Fix condition code
	handling for many instructions.  Fix sign extension for some
	24bit immediates.

	* am33.igen: Fix Z bit for remaining addc/subc instructions.
	Do not sign extend immediate for mov imm,XRn.
	More random mul, mac & div fixes.
	Remove some unused variables.
	Sign extend 24bit displacement in memory addresses.

	* am33.igen: Fix Z bit for addc Rm,Rn and subc Rm,Rn.  Various
	fixes to 2 register multiply, divide and mac instructions.  Set
	Z,N correctly for sat16.  Sign extend 24 bit immediate for add,
	and sub instructions.

	* am33.igen: Add remaining non-DSP instructions.

Wed Jul  8 16:29:12 1998  Jeffrey A Law  (law@cygnus.com)

	* am33.igen (translate_rreg): New function.  Use it as appropriate.

	* am33.igen: More am33 instructions.  Fix "div".

Mon Jul  6 15:39:22 1998  Jeffrey A Law  (law@cygnus.com)

	* mn10300.igen: Add am33 support.

	* Makefile.in: Use multi-sim to support both a mn10300 and am33
	simulator.

	* am33.igen: Add many more am33 instructions.

Wed Jul  1 17:07:09 1998  Jeffrey A Law  (law@cygnus.com)

	* mn10300_sim.h (FETCH24): Define.

	* mn10300_sim.h: Add defines for some registers found on the AM33.
	* am33.igen: New file with some am33 support.

Tue Jun 30 11:23:20 1998  Jeffrey A Law  (law@cygnus.com)

	* mn10300_sim.h: Include bfd.h
	(struct state): Add more room for processor specific registers.
	(REG_E0): Define.

Thu Jun 25 10:12:03 1998  Joyce Janczyn  <janczyn@cygnus.com>

	* dv-mn103tim.c: Include sim-assert.h
	* dv-mn103ser.c (do_polling_event): Check for incoming data on
	serial line and schedule next polling event.
	(read_status_reg): schedule events to check for incoming data on
	serial line and issue interrupt if necessary.
	
Fri Jun 19 16:47:27 1998  Joyce Janczyn  <janczyn@cygnus.com>

	* interp.c (sim_open): hook up serial 1 and 2 ports properly (typo).

Fri Jun 19 11:59:26 1998  Joyce Janczyn  <janczyn@cygnus.com>

	* interp.c (board): Rename am32 to stdeval1 as this is the name
	consistently used to refer to the mn1030002 board.

Thu June 18 14:37:14 1998  Joyce Janczyn  <janczyn@cygnus.com>
	* interp.c (sim_open): Fix typo in address of EXTMD register
	(0x34000280, not 0x3400280).

Wed Jun 17 18:00:18 1998  Jeffrey A Law  (law@cygnus.com)

	* simops.c (syscall): Handle change in opcode # for syscall.
	* mn10300.igen (syscall): Likewise.

Tue June 16 09:36:21 1998  Joyce Janczyn  <janczyn@cygnus.com>
	* dv-mn103int.c (mn103int_finish): Regular interrupts (not NMI or
	reset) are not enabled on reset.
	
Sun June 14 17:04:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
	* dv-mn103iop.c (write_*_reg): Check for attempt to write r/o
	register bits.
	* dv-mn103ser.c: Fill in methods for reading and writing to serial
	device registers.
	* interp.c (sim_open): Make the serial device a polling device.
	
Fri June 12 16:24:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
	* dv-mn103iop.c: New file for handling am32 io ports.
	* configure.in: Add mn103iop to hw_device list.
	* configure: Re-generate.
	* interp.c (sim_open): Create io port device.

Wed June 10 14:34:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
	* dv-mn103int.c (external_group): Use enumerated types to access
	correct group addresses.
	* dv-mn103tim.c (do_counter_event): Underflow of cascaded timer
	triggers an interrupt on the higher-numbered timer's port.

Mon June 8 13:30:00 1998  Joyce Janczyn  <janczyn@cygnus.com>
	* interp.c: (mn10300_option_handler): New function parses arguments
	using sim-options.
	* (board): Add --board option for specifying am32.
	* (sim_open): Create new timer and serial devices and control
	configuration of other am32 devices via board option.
	* dv-mn103tim.c, dv-mn103ser.c: New files for timers and serial devices.
	* dv-mn103cpu.c: Fix typos in opening comments.
	* dv-mn103int.c: Adjust interrupt controller settings for am32 instead of am30.
	* configure.in: Add mn103tim and mn103ser to hw_device list.
	* configure: Re-generate.

Mon May 25 20:50:35 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* dv-mn103int.c, dv-mn103cpu.c: Rename *_callback to *_method.

	* dv-mn103cpu.c, dv-mn103int.c: Include hw-main.h and
 	sim-main.h. Declare a struct hw_descriptor instead of struct
 	hw_device_descriptor.

Mon May 25 17:33:33 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* dv-mn103cpu.c (struct mn103cpu): Change type of pending_handler
 	to struct hw_event.

Fri May 22 12:17:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure.in (SIM_AC_OPTION_HARDWARE): Add argument "yes".

Wed May  6 13:29:06 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* interp.c (sim_open): Create a polling PAL device.

Fri May  1 16:39:15 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* dv-mn103int.c (mn103int_port_event): 
	(mn103int_port_event): 
	(mn103int_io_read_buffer): 
	(mn103int_io_write_buffer): 

	* dv-mn103cpu.c (deliver_mn103cpu_interrupt): Drop CPU/CIA args.
	(mn103cpu_port_event): Ditto.
	(mn103cpu_io_read_buffer): Ditto.
	(mn103cpu_io_write_buffer): Ditto.

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

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

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 15:19:55 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 11:19:07 1998  Tom Tromey  <tromey@cygnus.com>

	* configure.in: Don't call sinclude.

Tue Apr 14 10:03:02 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* mn10300_sim.h: Declare all functions in op_utils.c using
 	INLINE_SIM_MAIN.
	* op_utils.c: Ditto.
	* sim-main.c: New file.  Include op_utils.c.
	
	* mn10300.igen (mov, cmp): Use new igen operators `!' and `=' to
 	differentiate between MOV/CMP immediate/register instructions.

	* configure.in (SIM_AC_OPTION_INLINE): Add and enable.
	* configure: Regenerate.

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

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

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

	* interp.c (hw): Delete variable, moved to SIM_DESC.
	(sim_open): Delete calls to hw_tree_create, hw_tree_finish.
  	Handled by sim-module.
	(sim_open): Do not anotate tree with trace properties, handled by
 	sim-hw.c
	(sim_open): Call sim_hw_parse instead of hw_tree_parse.

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

Thu Mar 26 20:46:18 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>

	* dv-mn103cpu.c (deliver_mn103cpu_interrupt):  Save the entire PC
	on the stack when delivering interrupts (not just the lower
	half)...
	* mn10300.igen (mov (Di,Am),Dn):  Fix decode.  Registers were
	specified in the wrong order.

Fri Mar 27 00:56:40 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* dv-mn103cpu.c (deliver_mn103cpu_interrupt): Stop loss of
 	succeeding interrupts, clear pending_handler when the handler
 	isn't re-scheduled.

Thu Mar 26 10:11:01 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>

	* Makefile.in (tmp-igen):  Prefix all usage of move-if-change
	script with $(SHELL) to make NT native builds happy.
	* configure:  Regenerate because of change to ../common/aclocal.m4.
	
Thu Mar 26 11:22:31 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure.in: Make --enable-sim-common the default.
	* configure: Re-generate.
	
	* sim-main.h (CIA_GET, CIA_SET): Save/restore current instruction
 	address into Sate.regs[REG_PC] instead of common struct.

Wed Mar 25 17:42:00 1998  Joyce Janczyn  <janczyn@cygnus.com>

	* mn10300.igen (cmp imm8,An): Do not sign extend imm8 value.

Wed Mar 25 12:08:00 1998  Joyce Janczyn  <janczyn@cygnus.com>

	* simops.c (OP_F0FD): Initialise variable 'sp'.

Thu Mar 26 00:21:32 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* dv-mn103int.c (decode_group): A group register every 4 bytes not
 	8.
	(write_icr): Rewrite equation updating request field.
	(read_iagr): Fix check that interrupt is still pending.

Wed Mar 25 16:14:50 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* interp.c (sim_open): Tidy up device creation.

	* dv-mn103int.c (mn103int_port_event): Drive NMI with non-zero
 	value.
	(mn103int_io_read_buffer): Convert absolute address to register
 	block offsets.
	(read_icr, write_icr): Convert block offset into group offset.
	
Wed Mar 25 15:08:49 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* interp.c (sim_open): Create second 1mb memory region at
 	0x40000000.
	(sim_open): Create a device tree.
	(sim-hw.h): Include.
	(do_interrupt): Delete, needs to use dv-mn103cpu.c

	* dv-mn103int.c, dv-mn103cpu.c: New files.

Wed Mar 25 08:47:38 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* mn10300_sim.h (EXTRACT_PSW_LM, INSERT_PSW_LM, PSW_IE, PSW_LM):
 	Define.
	(SP): Define.
	
Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>

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

Wed Mar 25 10:24:48 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* interp.c (sim-options.h): Include.
	(sim_kind, myname): Declare when not using common framework.

	* mn10300_sim.h (do_syscall, generic*): Provide prototypes for
 	functions found in op_utils.c

	* mn10300.igen (add): Discard unused variables.

	* configure, config.in: Re-generate with autoconf 2.12.1.
	
Tue Mar 24 15:27:00 1998  Joyce Janczyn  <janczyn@cygnus.com>

	Add support for --enable-sim-common option.
	* Makefile.in (WITHOUT_COMMON_OBJS): Files included if
	! --enable-sim-common
	(WITH_COMMON_OBJS): Files included if --enable-sim-common.
	(MN10300_OBJS,MN10300_INTERP_DEP): New variables.
	(SIM_OBJS): Rewrite.
	({WITHOUT,WITH}_COMMON_RUN_OBJS,SIM_RUN_OBJS): New variables.
	(SIM_EXTRA_CFLAGS): New variable.
	(clean-extra): Clean up igen files.
	(../igen/igen,clean-igen,tmp-igen): New rules.
	* configure.in: Add support for common framework via 
	--enable-sim-common.
	* configure: Regenerate.
	* interp.c: #include sim-main if WITH_COMMON, not mn10300_sim.h.
	(hash,dispatch,sim_size): Don't compile if ! WITH_COMMON.
	(init_system,sim_write,compare_simops): Likewise.
	(sim_set_profile,sim_set_profile_size): Likewise.
	(sim_stop,sim_resume,sim_trace,sim_info): Likewise.
	(sim_set_callbacks,sim_stop_reason,sim_read,sim_load): Likewise.
	(enum interrupt_type): New enum.
	(interrupt_names): New global.
	(do_interrupt): New function.
	(sim_open): Define differently if WITH_COMMON.
	(sim_close,sim_create_inferior,sim_do_command): Likewise.
	* mn10300_sim.h ({load,store}_{byte,half,word}): Define versions
	for WITH_COMMON.
	* mn10300.igen: New file.
	* mn10300.dc: New file.
	* op_utils.c: New file.
	* sim-main.h: New file.

Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>

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

Fri Feb 27 18:36:04 1998  Jeffrey A Law  (law@cygnus.com)

	* simops.c (inc): Fix typo.

Wed Feb 25 01:59:29 1998  Jeffrey A Law  (law@cygnus.com)

        * simops.c (signed multiply instructions): Cast input operands to
        signed32 before casting them to signed64 so that the sign bit
        is propagated properly.

Mon Feb 23 20:23:19 1998  Mark Alexander  <marka@cygnus.com>

	* Makefile.in: Last change was bad.  Define NL_TARGET
	so that targ-vals.h will be used instead of syscall.h.
	* simops.c: Use targ-vals.h instead of syscall.h.
	(OP_F020): Disable unsupported system calls.

Mon Feb 23 09:44:38 1998  Mark Alexander  <marka@cygnus.com>

	* Makefile.in: Get header files from libgloss/mn10300/sys.

Sun Feb 22 16:02:24 1998  Jeffrey A Law  (law@cygnus.com)

	* simops.c: Include sim-types.h.

Wed Feb 18 13:07:08 1998  Jeffrey A Law  (law@cygnus.com)

	* simops.c (multiply instructions): Cast input operands to a
	signed64/unsigned64 type as appropriate.

Tue Feb 17 12:47:16 1998  Andrew Cagney  <cagney@b1.cygnus.com>

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

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.

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

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

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

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

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

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

Tue Nov 11 10:38:52 1997  Jeffrey A Law  (law@cygnus.com)

	* simops.c (call:16 call:32): Stack adjustment is determined solely
	by the imm8 field.

Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* interp.c (sim_load): Pass lma_p and sim_write args to
 	sim_load_file.

Tue Oct 21 10:12:03 1997  Jeffrey A Law  (law@cygnus.com)

	* simops.c: Correctly handle register restores for "ret" and "retf"
	instructions.

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

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

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

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

Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>

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

Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* 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.

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

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

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

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

Tue Aug 26 10:41:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* interp.c (sim_kill): Delete.
	(sim_create_inferior): Add ABFD argument.
	(sim_load): Move setting of PC from here.
	(sim_create_inferior): To here. 

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 16:14:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* interp.c (sim_open): Add ABFD argument.

Tue Jun 24 13:46:20 1997  Jeffrey A Law  (law@cygnus.com)

	* interp.c (sim_resume): Clear State.exited.
	(sim_stop_reason): If State.exited is nonzero, then indicate that
	the simulator exited instead of stopped.
	* mn10300_sim.h (struct _state): Add exited field.
	* simops.c (syscall): Set State.exited for SYS_exit.

Wed Jun 11 22:07:56 1997  Jeffrey A Law  (law@cygnus.com)

	* simops.c: Fix thinko in last change.

Tue Jun 10 12:31:32 1997  Jeffrey A Law  (law@cygnus.com)

	* simops.c: "call" stores the callee saved registers into the
	stack!  Update the stack pointer properly when done with
	register saves.

	* simops.c: Fix return address computation for "call" instructions.

Thu May 22 01:43:11 1997  Jeffrey A Law  (law@cygnus.com)

	* interp.c (sim_open): Fix typo.

Wed May 21 23:27:58 1997  Jeffrey A Law  (law@cygnus.com)

	* interp.c (sim_resume): Add missing case in big switch
	statement (for extb instruction).

Tue May 20 17:51:30 1997  Jeffrey A Law  (law@cygnus.com)

	* interp.c: Replace all references to load_mem and store_mem
	with references to load_byte, load_half, load_3_byte, load_word
	and store_byte, store_half, store_3_byte, store_word.
	(INLINE): Delete definition.
	(load_mem_big): Likewise.
	(max_mem): Make it global.
	(dispatch): Make this function inline.
	(load_mem, store_mem): Delete functions.
	* mn10300_sim.h (INLINE): Define.
	(RLW): Delete unused definition.
	(load_mem, store_mem): Delete declarations.
	(load_mem_big): New definition.
	(load_byte, load_half, load_3_byte, load_word): New functions.
	(store_byte, store_half, store_3_byte, store_word): New functions.
	* simops.c:  Replace all references to load_mem and store_mem
	with references to load_byte, load_half, load_3_byte, load_word
	and store_byte, store_half, store_3_byte, store_word.

Tue May 20 10:21:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* interp.c (sim_open): Add callback to arguments.
	(sim_set_callbacks): Delete SIM_DESC argument.

Mon May 19 13:54:22 1997  Jeffrey A Law  (law@cygnus.com)

	* interp.c (dispatch): Make this an inline function.

	* simops.c (syscall): Use callback->write regardless of
	what file descriptor we're writing too.

Sun May 18 16:46:31 1997  Jeffrey A Law  (law@cygnus.com)

	* interp.c (load_mem_big): Remove function.  It's now a macro
	defined elsewhere.
	(compare_simops): New function.
	(sim_open): Sort the Simops table before inserting entries
	into the hash table.
	* mn10300_sim.h: Remove unused #defines.
	(load_mem_big): Define.

Fri May 16 16:36:17 1997  Jeffrey A Law  (law@cygnus.com)

	* interp.c (load_mem): If we get a load from an out of range
	address, abort.
	(store_mem): Likewise for stores.
	(max_mem): New variable.

Tue May  6 13:24:36 1997  Jeffrey A Law  (law@cygnus.com)

	* mn10300_sim.h: Fix ordering of bits in the PSW.

	* interp.c: Improve hashing routine to avoid long list
	traversals for common instructions.  Add HASH_STAT support.
	Rewrite opcode dispatch code using a big switch instead of
	cascaded if/else statements.  Avoid useless calls to load_mem.

Mon May  5 18:07:48 1997  Jeffrey A Law  (law@cygnus.com)

	* mn10300_sim.h (struct _state): Add space for mdrq register.
	(REG_MDRQ): Define.
	* simops.c: Don't abort for trap.  Add support for the extended
	instructions, "getx", "putx", "mulq", "mulqu", "sat16", "sat24",
	and "bsch".

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

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

Fri Apr 18 14:04:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* interp.c (sim_stop): Add stub function.

Thu Apr 17 03:26:59 1997  Doug Evans  <dje@canuck.cygnus.com>

	* Makefile.in (SIM_OBJS): Add sim-load.o.
	* interp.c (sim_kind, myname): New static locals.
	(sim_open): Set sim_kind, myname.  Ignore -E arg.
	(sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
	load file into simulator.  Set start address from bfd.
	(sim_create_inferior): Return SIM_RC.  Delete arg start_address.

Wed Apr 16 19:30:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* simops.c (OP_F020): SYS_execv, SYS_time, SYS_times, SYS_utime
 	only include if implemented by host.
	(OP_F020): Typecast arg passed to time function;

Mon Apr  7 23:57:49 1997  Jeffrey A Law  (law@cygnus.com)

	* simops.c (syscall): Handle new mn10300 calling conventions.

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

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

Fri Apr  4 20:02:37 1997  Ian Lance Taylor  <ian@cygnus.com>

	* Makefile.in: Change mn10300-opc.o to m10300-opc.o, to match
	corresponding change in opcodes directory.

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

	* interp.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.

Thu Mar 20 11:58:02 1997  Jeffrey A Law  (law@cygnus.com)

	* simops.c: Fix register extraction for a two "movbu" variants.
	Somewhat simplify "sub" instructions.
	Correctly sign extend operands for "mul".  Put the correct
	half of the result in MDR for "mul" and "mulu".
	Implement remaining instructions.
	Tweak opcode for "syscall".

Tue Mar 18 14:21:21 1997  Jeffrey A Law  (law@cygnus.com)

	* simops.c: Do syscall emulation in "syscall" instruction.  Add
	dummy "trap" instruction.

Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

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

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

	* configure: Re-generate.

Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>

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

Thu Mar 13 12:54:45 1997  Doug Evans  <dje@canuck.cygnus.com>

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

Wed Mar 12 15:04:00 1997  Jeffrey A Law  (law@cygnus.com)

	* simops.c: Fix carry bit computation for "add" instructions.

	* simops.c: Fix typos in bset insns.  Fix arguments to store_mem
	for bset imm8,(d8,an) and bclr imm8,(d8,an).

Wed Mar  5 15:00:10 1997  Jeffrey A Law  (law@cygnus.com)

	* simops.c: Fix register references when computing Z and N bits
	for lsr imm8,dn.

Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>

	* Makefile.in (@COMMON_MAKEFILE_FRAG): Use
	COMMON_{PRE,POST}_CONFIG_FRAG instead.
	* configure.in: sinclude ../common/aclocal.m4.
	* configure: Regenerated.

Fri Jan 24 10:47:25 1997  Jeffrey A Law  (law@cygnus.com)

	* interp.c (init_system): Allocate 2^19 bytes of space for the
	simulator.

Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)

	* configure configure.in Makefile.in:  Update to new configure
	scheme which is more compatible with WinGDB builds.
	* configure.in:  Improve comment on how to run autoconf.
	* configure:  Re-run autoconf to get new ../common/aclocal.m4.
	* Makefile.in:  Use autoconf substitution to install common
	makefile fragment.

Tue Jan 21 15:03:04 1997  Jeffrey A Law  (law@cygnus.com)

	* simops.c: Undo last change to "rol" and "ror", original code
	was correct!

Thu Jan 16 11:28:14 1997  Jeffrey A Law  (law@cygnus.com)

	* simops.c: Fix "rol" and "ror".

Wed Jan 15 06:45:58 1997  Jeffrey A Law  (law@cygnus.com)

	* simops.c: Fix typo in last change.

Mon Jan 13 13:22:35 1997  Jeffrey A Law  (law@cygnus.com)

	* simops.c: Use REG macros in few places not using them yet.

Mon Jan  6 16:21:19 1997  Jeffrey A Law  (law@cygnus.com)

	* mn10300_sim.h (struct _state): Fix number of registers!

Tue Dec 31 16:20:41 1996  Jeffrey A Law  (law@cygnus.com)

	* mn10300_sim.h (struct _state): Put all registers into a single
	array to make gdb implementation easier.
	(REG_*): Add definitions for all registers in the state array.
	(SEXT32, SEXT40, SEXT44, SEXT60): Remove unused macros.
	* simops.c: Related changes.

Wed Dec 18 10:10:45 1996  Jeffrey A Law  (law@cygnus.com)

	* interp.c (sim_resume): Handle 0xff as a single byte insn.

	* simops.c: Fix overflow computation for "add" and "inc"
	instructions.

Mon Dec 16 10:03:52 1996  Jeffrey A Law  (law@cygnus.com)

	* simops.c: Handle "break" instruction.

	* simops.c: Fix restoring the PC for "ret" and "retf" instructions.

Wed Dec 11 09:53:10 1996  Jeffrey A Law  (law@cygnus.com)

	* gencode.c (write_opcodes): Also write out the format of the
	opcode.
	* mn10300_sim.h (simops): Add "format" field.
	* interp.c (sim_resume): Deal with endianness issues here.

Tue Dec 10 15:05:37 1996  Jeffrey A Law  (law@cygnus.com)

	* simops.c (REG0_4): Define.
	Use REG0_4 for indexed loads/stores.

Sat Dec  7 09:50:28 1996  Jeffrey A Law  (law@cygnus.com)

	* simops.c (REG0_16): Fix typo.

Fri Dec  6 14:13:34 1996  Jeffrey A Law  (law@cygnus.com)

	* simops.c: Call abort for any instruction that's not currently
	simulated.

	* simops.c: Define accessor macros to extract register
	values from instructions.  Use them consistently.

	* interp.c: Delete unused global variable "OP".
	(sim_resume): Remove unused variable "opcode".
	* simops.c: Fix some uninitialized variable problems, add
	parens to fix various -Wall warnings.

	* gencode.c (write_header): Add "insn" and "extension" arguments
	to the OP_* declarations.
	(write_template): Similarly for function templates.
	* interp.c (insn, extension): Remove global variables.  Instead
	pass them as arguments to the OP_* functions.
	* mn10300_sim.h: Remove decls for "insn" and "extension".
	* simops.c (OP_*): Accept "insn" and "extension" as arguments
	instead of using globals.

Thu Dec  5 22:26:31 1996  Jeffrey A Law  (law@cygnus.com)

	* simops.c: Fix typos in "mov am,(d16,an)" and "mov am,(d32,an)"

	* simops.c: Fix thinkos in last change to "inc dn".

Wed Dec  4 10:57:53 1996  Jeffrey A Law  (law@cygnus.com)

	* simops.c: "add imm,sp" does not effect the condition codes.
	"inc dn" does effect the condition codes.

Tue Dec  3 17:37:45 1996  Jeffrey A Law  (law@cygnus.com)

	* simops.c: Treat both operands as signed values for
	"div" instruction.

	* simops.c: Fix simulation of division instructions.
	Fix typos/thinkos in several "cmp" and "sub" instructions.

Mon Dec  2 12:31:40 1996  Jeffrey A Law  (law@cygnus.com)

	* simops.c: Fix carry bit handling in "sub" and "cmp"
	instructions.

	* simops.c: Fix "mov imm8,an" and "mov imm16,dn".

Sun Dec  1 16:05:42 1996  Jeffrey A Law  (law@cygnus.com)

	* simops.c: Fix overflow computation for many instructions.

	* simops.c: Fix "mov dm, an", "movbu dm, (an)", and "movhu dm, (an)".

	* simops.c: Fix "mov am, dn".

	* simops.c: Fix more bugs in "add imm,an" and
	"add imm,dn".

Wed Nov 27 09:20:42 1996  Jeffrey A Law  (law@cygnus.com)

	* simops.c: Fix bugs in "movm" and "add imm,an".

	* simops.c: Don't lose the upper 24 bits of the return
	pointer in "call" and "calls" instructions.  Rough cut
	at emulated system calls.

	* simops.c: Implement the remaining 5, 6 and 7 byte instructions.

	* simops.c: Implement remaining 4 byte instructions.

	* simops.c: Implement remaining 3 byte instructions.

	* simops.c: Implement remaining 2 byte instructions.  Call
	abort for instructions we're not implementing now.

Tue Nov 26 15:43:41 1996  Jeffrey A Law  (law@cygnus.com)

	* simops.c: Implement lots of random instructions.

	* simops.c: Implement "movm" and "bCC" insns.

	* mn10300_sim.h (_state): Add another register (MDR).
	(REG_MDR): Define.
	* simops.c: Implement "cmp", "calls", "rets", "jmp" and
	a few additional random insns.

	* mn10300_sim.h (PSW_*): Define for CC status tracking.
	(REG_D0, REG_A0, REG_SP): Define.
	* simops.c: Implement "add", "addc" and a few other random
	instructions.

	* gencode.c, interp.c: Snapshot current simulator code.

Mon Nov 25 12:46:38 1996  Jeffrey A Law  (law@cygnus.com)

	* Makefile.in, config.in, configure, configure.in: New files.
	* gencode.c, interp.c, mn10300_sim.h, simops.c: New files.