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
|
/*
* head.S: The initial boot code for the Sparc port of Linux.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 1995,1999 Pete Zaitcev (zaitcev@yahoo.com)
* Copyright (C) 1996 Miguel de Icaza (miguel@nuclecu.unam.mx)
* Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
* Copyright (C) 1997 Michael A. Griffith (grif@acm.org)
*
* CompactPCI platform by Eric Brower, 1999.
*/
#include <linux/version.h>
#include <linux/init.h>
#include <asm/head.h>
#include <asm/asi.h>
#include <asm/contregs.h>
#include <asm/ptrace.h>
#include <asm/psr.h>
#include <asm/page.h>
#include <asm/kdebug.h>
#include <asm/winmacro.h>
#include <asm/thread_info.h> /* TI_UWINMASK */
#include <asm/errno.h>
#include <asm/pgtsrmmu.h> /* SRMMU_PGDIR_SHIFT */
.data
/*
* The following are used with the prom_vector node-ops to figure out
* the cpu-type
*/
.align 4
cputyp:
.word 1
.align 4
.globl cputypval
cputypval:
.asciz "sun4c"
.ascii " "
cputypvalend:
cputypvallen = cputypvar - cputypval
.align 4
/*
* Sun people can't spell worth damn. "compatability" indeed.
* At least we *know* we can't spell, and use a spell-checker.
*/
/* Uh, actually Linus it is I who cannot spell. Too much murky
* Sparc assembly will do this to ya.
*/
cputypvar:
.asciz "compatability"
/* Tested on SS-5, SS-10. Probably someone at Sun applied a spell-checker. */
.align 4
cputypvar_sun4m:
.asciz "compatible"
.align 4
sun4_notsup:
.asciz "Sparc-Linux sun4 support does no longer exist.\n\n"
.align 4
sun4e_notsup:
.asciz "Sparc-Linux sun4e support does not exist\n\n"
.align 4
/* The Sparc trap table, bootloader gives us control at _start. */
__HEAD
.globl _stext, _start, __stext
.globl trapbase
_start: /* danger danger */
__stext:
_stext:
trapbase:
#ifdef CONFIG_SMP
trapbase_cpu0:
#endif
/* We get control passed to us here at t_zero. */
t_zero: b gokernel; nop; nop; nop;
t_tflt: SPARC_TFAULT /* Inst. Access Exception */
t_bins: TRAP_ENTRY(0x2, bad_instruction) /* Illegal Instruction */
t_pins: TRAP_ENTRY(0x3, priv_instruction) /* Privileged Instruction */
t_fpd: TRAP_ENTRY(0x4, fpd_trap_handler) /* Floating Point Disabled */
t_wovf: WINDOW_SPILL /* Window Overflow */
t_wunf: WINDOW_FILL /* Window Underflow */
t_mna: TRAP_ENTRY(0x7, mna_handler) /* Memory Address Not Aligned */
t_fpe: TRAP_ENTRY(0x8, fpe_trap_handler) /* Floating Point Exception */
t_dflt: SPARC_DFAULT /* Data Miss Exception */
t_tio: TRAP_ENTRY(0xa, do_tag_overflow) /* Tagged Instruction Ovrflw */
t_wpt: TRAP_ENTRY(0xb, do_watchpoint) /* Watchpoint Detected */
t_badc: BAD_TRAP(0xc) BAD_TRAP(0xd) BAD_TRAP(0xe) BAD_TRAP(0xf) BAD_TRAP(0x10)
t_irq1: TRAP_ENTRY_INTERRUPT(1) /* IRQ Software/SBUS Level 1 */
t_irq2: TRAP_ENTRY_INTERRUPT(2) /* IRQ SBUS Level 2 */
t_irq3: TRAP_ENTRY_INTERRUPT(3) /* IRQ SCSI/DMA/SBUS Level 3 */
t_irq4: TRAP_ENTRY_INTERRUPT(4) /* IRQ Software Level 4 */
t_irq5: TRAP_ENTRY_INTERRUPT(5) /* IRQ SBUS/Ethernet Level 5 */
t_irq6: TRAP_ENTRY_INTERRUPT(6) /* IRQ Software Level 6 */
t_irq7: TRAP_ENTRY_INTERRUPT(7) /* IRQ Video/SBUS Level 5 */
t_irq8: TRAP_ENTRY_INTERRUPT(8) /* IRQ SBUS Level 6 */
t_irq9: TRAP_ENTRY_INTERRUPT(9) /* IRQ SBUS Level 7 */
t_irq10:TRAP_ENTRY_INTERRUPT(10) /* IRQ Timer #1 (one we use) */
t_irq11:TRAP_ENTRY_INTERRUPT(11) /* IRQ Floppy Intr. */
t_irq12:TRAP_ENTRY_INTERRUPT(12) /* IRQ Zilog serial chip */
t_irq13:TRAP_ENTRY_INTERRUPT(13) /* IRQ Audio Intr. */
t_irq14:TRAP_ENTRY_INTERRUPT(14) /* IRQ Timer #2 */
.globl t_nmi
#ifndef CONFIG_SMP
t_nmi: NMI_TRAP /* Level 15 (NMI) */
#else
t_nmi: TRAP_ENTRY(0x1f, linux_trap_ipi15_sun4m)
#endif
t_racc: TRAP_ENTRY(0x20, do_reg_access) /* General Register Access Error */
t_iacce:BAD_TRAP(0x21) /* Instr Access Error */
t_bad22:BAD_TRAP(0x22) BAD_TRAP(0x23)
t_cpdis:TRAP_ENTRY(0x24, do_cp_disabled) /* Co-Processor Disabled */
t_uflsh:SKIP_TRAP(0x25, unimp_flush) /* Unimplemented FLUSH inst. */
t_bad26:BAD_TRAP(0x26) BAD_TRAP(0x27)
t_cpexc:TRAP_ENTRY(0x28, do_cp_exception) /* Co-Processor Exception */
t_dacce:SPARC_DFAULT /* Data Access Error */
t_hwdz: TRAP_ENTRY(0x2a, do_hw_divzero) /* Division by zero, you lose... */
t_dserr:BAD_TRAP(0x2b) /* Data Store Error */
t_daccm:BAD_TRAP(0x2c) /* Data Access MMU-Miss */
t_bad2d:BAD_TRAP(0x2d) BAD_TRAP(0x2e) BAD_TRAP(0x2f) BAD_TRAP(0x30) BAD_TRAP(0x31)
t_bad32:BAD_TRAP(0x32) BAD_TRAP(0x33) BAD_TRAP(0x34) BAD_TRAP(0x35) BAD_TRAP(0x36)
t_bad37:BAD_TRAP(0x37) BAD_TRAP(0x38) BAD_TRAP(0x39) BAD_TRAP(0x3a) BAD_TRAP(0x3b)
t_iaccm:BAD_TRAP(0x3c) /* Instr Access MMU-Miss */
t_bad3d:BAD_TRAP(0x3d) BAD_TRAP(0x3e) BAD_TRAP(0x3f) BAD_TRAP(0x40) BAD_TRAP(0x41)
t_bad42:BAD_TRAP(0x42) BAD_TRAP(0x43) BAD_TRAP(0x44) BAD_TRAP(0x45) BAD_TRAP(0x46)
t_bad47:BAD_TRAP(0x47) BAD_TRAP(0x48) BAD_TRAP(0x49) BAD_TRAP(0x4a) BAD_TRAP(0x4b)
t_bad4c:BAD_TRAP(0x4c) BAD_TRAP(0x4d) BAD_TRAP(0x4e) BAD_TRAP(0x4f) BAD_TRAP(0x50)
t_bad51:BAD_TRAP(0x51) BAD_TRAP(0x52) BAD_TRAP(0x53) BAD_TRAP(0x54) BAD_TRAP(0x55)
t_bad56:BAD_TRAP(0x56) BAD_TRAP(0x57) BAD_TRAP(0x58) BAD_TRAP(0x59) BAD_TRAP(0x5a)
t_bad5b:BAD_TRAP(0x5b) BAD_TRAP(0x5c) BAD_TRAP(0x5d) BAD_TRAP(0x5e) BAD_TRAP(0x5f)
t_bad60:BAD_TRAP(0x60) BAD_TRAP(0x61) BAD_TRAP(0x62) BAD_TRAP(0x63) BAD_TRAP(0x64)
t_bad65:BAD_TRAP(0x65) BAD_TRAP(0x66) BAD_TRAP(0x67) BAD_TRAP(0x68) BAD_TRAP(0x69)
t_bad6a:BAD_TRAP(0x6a) BAD_TRAP(0x6b) BAD_TRAP(0x6c) BAD_TRAP(0x6d) BAD_TRAP(0x6e)
t_bad6f:BAD_TRAP(0x6f) BAD_TRAP(0x70) BAD_TRAP(0x71) BAD_TRAP(0x72) BAD_TRAP(0x73)
t_bad74:BAD_TRAP(0x74) BAD_TRAP(0x75) BAD_TRAP(0x76) BAD_TRAP(0x77) BAD_TRAP(0x78)
t_bad79:BAD_TRAP(0x79) BAD_TRAP(0x7a) BAD_TRAP(0x7b) BAD_TRAP(0x7c) BAD_TRAP(0x7d)
t_bad7e:BAD_TRAP(0x7e) BAD_TRAP(0x7f)
t_bad80:BAD_TRAP(0x80) /* SunOS System Call */
t_sbkpt:BREAKPOINT_TRAP /* Software Breakpoint/KGDB */
t_divz: TRAP_ENTRY(0x82, do_hw_divzero) /* Divide by zero trap */
t_flwin:TRAP_ENTRY(0x83, do_flush_windows) /* Flush Windows Trap */
t_clwin:BAD_TRAP(0x84) /* Clean Windows Trap */
t_rchk: BAD_TRAP(0x85) /* Range Check */
t_funal:BAD_TRAP(0x86) /* Fix Unaligned Access Trap */
t_iovf: BAD_TRAP(0x87) /* Integer Overflow Trap */
t_bad88:BAD_TRAP(0x88) /* Slowaris System Call */
t_bad89:BAD_TRAP(0x89) /* Net-B.S. System Call */
t_bad8a:BAD_TRAP(0x8a) BAD_TRAP(0x8b) BAD_TRAP(0x8c) BAD_TRAP(0x8d) BAD_TRAP(0x8e)
t_bad8f:BAD_TRAP(0x8f)
t_linux:LINUX_SYSCALL_TRAP /* Linux System Call */
t_bad91:BAD_TRAP(0x91) BAD_TRAP(0x92) BAD_TRAP(0x93) BAD_TRAP(0x94) BAD_TRAP(0x95)
t_bad96:BAD_TRAP(0x96) BAD_TRAP(0x97) BAD_TRAP(0x98) BAD_TRAP(0x99) BAD_TRAP(0x9a)
t_bad9b:BAD_TRAP(0x9b) BAD_TRAP(0x9c) BAD_TRAP(0x9d) BAD_TRAP(0x9e) BAD_TRAP(0x9f)
t_getcc:GETCC_TRAP /* Get Condition Codes */
t_setcc:SETCC_TRAP /* Set Condition Codes */
t_getpsr:GETPSR_TRAP /* Get PSR Register */
t_bada3:BAD_TRAP(0xa3) BAD_TRAP(0xa4) BAD_TRAP(0xa5) BAD_TRAP(0xa6)
t_bada7:BAD_TRAP(0xa7)
t_bada8:BAD_TRAP(0xa8) BAD_TRAP(0xa9) BAD_TRAP(0xaa) BAD_TRAP(0xab)
t_badac:BAD_TRAP(0xac) BAD_TRAP(0xad) BAD_TRAP(0xae) BAD_TRAP(0xaf) BAD_TRAP(0xb0)
t_badb1:BAD_TRAP(0xb1) BAD_TRAP(0xb2) BAD_TRAP(0xb3) BAD_TRAP(0xb4) BAD_TRAP(0xb5)
t_badb6:BAD_TRAP(0xb6) BAD_TRAP(0xb7) BAD_TRAP(0xb8) BAD_TRAP(0xb9) BAD_TRAP(0xba)
t_badbb:BAD_TRAP(0xbb) BAD_TRAP(0xbc) BAD_TRAP(0xbd) BAD_TRAP(0xbe) BAD_TRAP(0xbf)
t_badc0:BAD_TRAP(0xc0) BAD_TRAP(0xc1) BAD_TRAP(0xc2) BAD_TRAP(0xc3) BAD_TRAP(0xc4)
t_badc5:BAD_TRAP(0xc5) BAD_TRAP(0xc6) BAD_TRAP(0xc7) BAD_TRAP(0xc8) BAD_TRAP(0xc9)
t_badca:BAD_TRAP(0xca) BAD_TRAP(0xcb) BAD_TRAP(0xcc) BAD_TRAP(0xcd) BAD_TRAP(0xce)
t_badcf:BAD_TRAP(0xcf) BAD_TRAP(0xd0) BAD_TRAP(0xd1) BAD_TRAP(0xd2) BAD_TRAP(0xd3)
t_badd4:BAD_TRAP(0xd4) BAD_TRAP(0xd5) BAD_TRAP(0xd6) BAD_TRAP(0xd7) BAD_TRAP(0xd8)
t_badd9:BAD_TRAP(0xd9) BAD_TRAP(0xda) BAD_TRAP(0xdb) BAD_TRAP(0xdc) BAD_TRAP(0xdd)
t_badde:BAD_TRAP(0xde) BAD_TRAP(0xdf) BAD_TRAP(0xe0) BAD_TRAP(0xe1) BAD_TRAP(0xe2)
t_bade3:BAD_TRAP(0xe3) BAD_TRAP(0xe4) BAD_TRAP(0xe5) BAD_TRAP(0xe6) BAD_TRAP(0xe7)
t_bade8:BAD_TRAP(0xe8) BAD_TRAP(0xe9) BAD_TRAP(0xea) BAD_TRAP(0xeb) BAD_TRAP(0xec)
t_baded:BAD_TRAP(0xed) BAD_TRAP(0xee) BAD_TRAP(0xef) BAD_TRAP(0xf0) BAD_TRAP(0xf1)
t_badf2:BAD_TRAP(0xf2) BAD_TRAP(0xf3) BAD_TRAP(0xf4) BAD_TRAP(0xf5) BAD_TRAP(0xf6)
t_badf7:BAD_TRAP(0xf7) BAD_TRAP(0xf8) BAD_TRAP(0xf9) BAD_TRAP(0xfa) BAD_TRAP(0xfb)
t_badfc:BAD_TRAP(0xfc)
t_kgdb: KGDB_TRAP(0xfd)
dbtrap: BAD_TRAP(0xfe) /* Debugger/PROM breakpoint #1 */
dbtrap2:BAD_TRAP(0xff) /* Debugger/PROM breakpoint #2 */
.globl end_traptable
end_traptable:
#ifdef CONFIG_SMP
/* Trap tables for the other cpus. */
.globl trapbase_cpu1, trapbase_cpu2, trapbase_cpu3
trapbase_cpu1:
BAD_TRAP(0x0) SRMMU_TFAULT TRAP_ENTRY(0x2, bad_instruction)
TRAP_ENTRY(0x3, priv_instruction) TRAP_ENTRY(0x4, fpd_trap_handler)
WINDOW_SPILL WINDOW_FILL TRAP_ENTRY(0x7, mna_handler)
TRAP_ENTRY(0x8, fpe_trap_handler) SRMMU_DFAULT
TRAP_ENTRY(0xa, do_tag_overflow) TRAP_ENTRY(0xb, do_watchpoint)
BAD_TRAP(0xc) BAD_TRAP(0xd) BAD_TRAP(0xe) BAD_TRAP(0xf) BAD_TRAP(0x10)
TRAP_ENTRY_INTERRUPT(1) TRAP_ENTRY_INTERRUPT(2)
TRAP_ENTRY_INTERRUPT(3) TRAP_ENTRY_INTERRUPT(4)
TRAP_ENTRY_INTERRUPT(5) TRAP_ENTRY_INTERRUPT(6)
TRAP_ENTRY_INTERRUPT(7) TRAP_ENTRY_INTERRUPT(8)
TRAP_ENTRY_INTERRUPT(9) TRAP_ENTRY_INTERRUPT(10)
TRAP_ENTRY_INTERRUPT(11) TRAP_ENTRY_INTERRUPT(12)
TRAP_ENTRY_INTERRUPT(13) TRAP_ENTRY_INTERRUPT(14)
TRAP_ENTRY(0x1f, linux_trap_ipi15_sun4m)
TRAP_ENTRY(0x20, do_reg_access) BAD_TRAP(0x21) BAD_TRAP(0x22)
BAD_TRAP(0x23) TRAP_ENTRY(0x24, do_cp_disabled) SKIP_TRAP(0x25, unimp_flush)
BAD_TRAP(0x26) BAD_TRAP(0x27) TRAP_ENTRY(0x28, do_cp_exception)
SRMMU_DFAULT TRAP_ENTRY(0x2a, do_hw_divzero) BAD_TRAP(0x2b) BAD_TRAP(0x2c)
BAD_TRAP(0x2d) BAD_TRAP(0x2e) BAD_TRAP(0x2f) BAD_TRAP(0x30) BAD_TRAP(0x31)
BAD_TRAP(0x32) BAD_TRAP(0x33) BAD_TRAP(0x34) BAD_TRAP(0x35) BAD_TRAP(0x36)
BAD_TRAP(0x37) BAD_TRAP(0x38) BAD_TRAP(0x39) BAD_TRAP(0x3a) BAD_TRAP(0x3b)
BAD_TRAP(0x3c) BAD_TRAP(0x3d) BAD_TRAP(0x3e) BAD_TRAP(0x3f) BAD_TRAP(0x40)
BAD_TRAP(0x41) BAD_TRAP(0x42) BAD_TRAP(0x43) BAD_TRAP(0x44) BAD_TRAP(0x45)
BAD_TRAP(0x46) BAD_TRAP(0x47) BAD_TRAP(0x48) BAD_TRAP(0x49) BAD_TRAP(0x4a)
BAD_TRAP(0x4b) BAD_TRAP(0x4c) BAD_TRAP(0x4d) BAD_TRAP(0x4e) BAD_TRAP(0x4f)
BAD_TRAP(0x50)
BAD_TRAP(0x51) BAD_TRAP(0x52) BAD_TRAP(0x53) BAD_TRAP(0x54) BAD_TRAP(0x55)
BAD_TRAP(0x56) BAD_TRAP(0x57) BAD_TRAP(0x58) BAD_TRAP(0x59) BAD_TRAP(0x5a)
BAD_TRAP(0x5b) BAD_TRAP(0x5c) BAD_TRAP(0x5d) BAD_TRAP(0x5e) BAD_TRAP(0x5f)
BAD_TRAP(0x60) BAD_TRAP(0x61) BAD_TRAP(0x62) BAD_TRAP(0x63) BAD_TRAP(0x64)
BAD_TRAP(0x65) BAD_TRAP(0x66) BAD_TRAP(0x67) BAD_TRAP(0x68) BAD_TRAP(0x69)
BAD_TRAP(0x6a) BAD_TRAP(0x6b) BAD_TRAP(0x6c) BAD_TRAP(0x6d) BAD_TRAP(0x6e)
BAD_TRAP(0x6f) BAD_TRAP(0x70) BAD_TRAP(0x71) BAD_TRAP(0x72) BAD_TRAP(0x73)
BAD_TRAP(0x74) BAD_TRAP(0x75) BAD_TRAP(0x76) BAD_TRAP(0x77) BAD_TRAP(0x78)
BAD_TRAP(0x79) BAD_TRAP(0x7a) BAD_TRAP(0x7b) BAD_TRAP(0x7c) BAD_TRAP(0x7d)
BAD_TRAP(0x7e) BAD_TRAP(0x7f)
BAD_TRAP(0x80)
BREAKPOINT_TRAP
TRAP_ENTRY(0x82, do_hw_divzero)
TRAP_ENTRY(0x83, do_flush_windows) BAD_TRAP(0x84) BAD_TRAP(0x85)
BAD_TRAP(0x86) BAD_TRAP(0x87) BAD_TRAP(0x88)
BAD_TRAP(0x89) BAD_TRAP(0x8a) BAD_TRAP(0x8b) BAD_TRAP(0x8c)
BAD_TRAP(0x8d) BAD_TRAP(0x8e) BAD_TRAP(0x8f)
LINUX_SYSCALL_TRAP BAD_TRAP(0x91) BAD_TRAP(0x92) BAD_TRAP(0x93) BAD_TRAP(0x94)
BAD_TRAP(0x95) BAD_TRAP(0x96) BAD_TRAP(0x97) BAD_TRAP(0x98) BAD_TRAP(0x99)
BAD_TRAP(0x9a) BAD_TRAP(0x9b) BAD_TRAP(0x9c) BAD_TRAP(0x9d) BAD_TRAP(0x9e)
BAD_TRAP(0x9f) GETCC_TRAP SETCC_TRAP GETPSR_TRAP
BAD_TRAP(0xa3) BAD_TRAP(0xa4) BAD_TRAP(0xa5) BAD_TRAP(0xa6)
BAD_TRAP(0xa7) BAD_TRAP(0xa8) BAD_TRAP(0xa9) BAD_TRAP(0xaa) BAD_TRAP(0xab)
BAD_TRAP(0xac) BAD_TRAP(0xad) BAD_TRAP(0xae) BAD_TRAP(0xaf) BAD_TRAP(0xb0)
BAD_TRAP(0xb1) BAD_TRAP(0xb2) BAD_TRAP(0xb3) BAD_TRAP(0xb4) BAD_TRAP(0xb5)
BAD_TRAP(0xb6) BAD_TRAP(0xb7) BAD_TRAP(0xb8) BAD_TRAP(0xb9) BAD_TRAP(0xba)
BAD_TRAP(0xbb) BAD_TRAP(0xbc) BAD_TRAP(0xbd) BAD_TRAP(0xbe) BAD_TRAP(0xbf)
BAD_TRAP(0xc0) BAD_TRAP(0xc1) BAD_TRAP(0xc2) BAD_TRAP(0xc3) BAD_TRAP(0xc4)
BAD_TRAP(0xc5) BAD_TRAP(0xc6) BAD_TRAP(0xc7) BAD_TRAP(0xc8) BAD_TRAP(0xc9)
BAD_TRAP(0xca) BAD_TRAP(0xcb) BAD_TRAP(0xcc) BAD_TRAP(0xcd) BAD_TRAP(0xce)
BAD_TRAP(0xcf) BAD_TRAP(0xd0) BAD_TRAP(0xd1) BAD_TRAP(0xd2) BAD_TRAP(0xd3)
BAD_TRAP(0xd4) BAD_TRAP(0xd5) BAD_TRAP(0xd6) BAD_TRAP(0xd7) BAD_TRAP(0xd8)
BAD_TRAP(0xd9) BAD_TRAP(0xda) BAD_TRAP(0xdb) BAD_TRAP(0xdc) BAD_TRAP(0xdd)
BAD_TRAP(0xde) BAD_TRAP(0xdf) BAD_TRAP(0xe0) BAD_TRAP(0xe1) BAD_TRAP(0xe2)
BAD_TRAP(0xe3) BAD_TRAP(0xe4) BAD_TRAP(0xe5) BAD_TRAP(0xe6) BAD_TRAP(0xe7)
BAD_TRAP(0xe8) BAD_TRAP(0xe9) BAD_TRAP(0xea) BAD_TRAP(0xeb) BAD_TRAP(0xec)
BAD_TRAP(0xed) BAD_TRAP(0xee) BAD_TRAP(0xef) BAD_TRAP(0xf0) BAD_TRAP(0xf1)
BAD_TRAP(0xf2) BAD_TRAP(0xf3) BAD_TRAP(0xf4) BAD_TRAP(0xf5) BAD_TRAP(0xf6)
BAD_TRAP(0xf7) BAD_TRAP(0xf8) BAD_TRAP(0xf9) BAD_TRAP(0xfa) BAD_TRAP(0xfb)
BAD_TRAP(0xfc) KGDB_TRAP(0xfd) BAD_TRAP(0xfe) BAD_TRAP(0xff)
trapbase_cpu2:
BAD_TRAP(0x0) SRMMU_TFAULT TRAP_ENTRY(0x2, bad_instruction)
TRAP_ENTRY(0x3, priv_instruction) TRAP_ENTRY(0x4, fpd_trap_handler)
WINDOW_SPILL WINDOW_FILL TRAP_ENTRY(0x7, mna_handler)
TRAP_ENTRY(0x8, fpe_trap_handler) SRMMU_DFAULT
TRAP_ENTRY(0xa, do_tag_overflow) TRAP_ENTRY(0xb, do_watchpoint)
BAD_TRAP(0xc) BAD_TRAP(0xd) BAD_TRAP(0xe) BAD_TRAP(0xf) BAD_TRAP(0x10)
TRAP_ENTRY_INTERRUPT(1) TRAP_ENTRY_INTERRUPT(2)
TRAP_ENTRY_INTERRUPT(3) TRAP_ENTRY_INTERRUPT(4)
TRAP_ENTRY_INTERRUPT(5) TRAP_ENTRY_INTERRUPT(6)
TRAP_ENTRY_INTERRUPT(7) TRAP_ENTRY_INTERRUPT(8)
TRAP_ENTRY_INTERRUPT(9) TRAP_ENTRY_INTERRUPT(10)
TRAP_ENTRY_INTERRUPT(11) TRAP_ENTRY_INTERRUPT(12)
TRAP_ENTRY_INTERRUPT(13) TRAP_ENTRY_INTERRUPT(14)
TRAP_ENTRY(0x1f, linux_trap_ipi15_sun4m)
TRAP_ENTRY(0x20, do_reg_access) BAD_TRAP(0x21) BAD_TRAP(0x22)
BAD_TRAP(0x23) TRAP_ENTRY(0x24, do_cp_disabled) SKIP_TRAP(0x25, unimp_flush)
BAD_TRAP(0x26) BAD_TRAP(0x27) TRAP_ENTRY(0x28, do_cp_exception)
SRMMU_DFAULT TRAP_ENTRY(0x2a, do_hw_divzero) BAD_TRAP(0x2b) BAD_TRAP(0x2c)
BAD_TRAP(0x2d) BAD_TRAP(0x2e) BAD_TRAP(0x2f) BAD_TRAP(0x30) BAD_TRAP(0x31)
BAD_TRAP(0x32) BAD_TRAP(0x33) BAD_TRAP(0x34) BAD_TRAP(0x35) BAD_TRAP(0x36)
BAD_TRAP(0x37) BAD_TRAP(0x38) BAD_TRAP(0x39) BAD_TRAP(0x3a) BAD_TRAP(0x3b)
BAD_TRAP(0x3c) BAD_TRAP(0x3d) BAD_TRAP(0x3e) BAD_TRAP(0x3f) BAD_TRAP(0x40)
BAD_TRAP(0x41) BAD_TRAP(0x42) BAD_TRAP(0x43) BAD_TRAP(0x44) BAD_TRAP(0x45)
BAD_TRAP(0x46) BAD_TRAP(0x47) BAD_TRAP(0x48) BAD_TRAP(0x49) BAD_TRAP(0x4a)
BAD_TRAP(0x4b) BAD_TRAP(0x4c) BAD_TRAP(0x4d) BAD_TRAP(0x4e) BAD_TRAP(0x4f)
BAD_TRAP(0x50)
BAD_TRAP(0x51) BAD_TRAP(0x52) BAD_TRAP(0x53) BAD_TRAP(0x54) BAD_TRAP(0x55)
BAD_TRAP(0x56) BAD_TRAP(0x57) BAD_TRAP(0x58) BAD_TRAP(0x59) BAD_TRAP(0x5a)
BAD_TRAP(0x5b) BAD_TRAP(0x5c) BAD_TRAP(0x5d) BAD_TRAP(0x5e) BAD_TRAP(0x5f)
BAD_TRAP(0x60) BAD_TRAP(0x61) BAD_TRAP(0x62) BAD_TRAP(0x63) BAD_TRAP(0x64)
BAD_TRAP(0x65) BAD_TRAP(0x66) BAD_TRAP(0x67) BAD_TRAP(0x68) BAD_TRAP(0x69)
BAD_TRAP(0x6a) BAD_TRAP(0x6b) BAD_TRAP(0x6c) BAD_TRAP(0x6d) BAD_TRAP(0x6e)
BAD_TRAP(0x6f) BAD_TRAP(0x70) BAD_TRAP(0x71) BAD_TRAP(0x72) BAD_TRAP(0x73)
BAD_TRAP(0x74) BAD_TRAP(0x75) BAD_TRAP(0x76) BAD_TRAP(0x77) BAD_TRAP(0x78)
BAD_TRAP(0x79) BAD_TRAP(0x7a) BAD_TRAP(0x7b) BAD_TRAP(0x7c) BAD_TRAP(0x7d)
BAD_TRAP(0x7e) BAD_TRAP(0x7f)
BAD_TRAP(0x80)
BREAKPOINT_TRAP
TRAP_ENTRY(0x82, do_hw_divzero)
TRAP_ENTRY(0x83, do_flush_windows) BAD_TRAP(0x84) BAD_TRAP(0x85)
BAD_TRAP(0x86) BAD_TRAP(0x87) BAD_TRAP(0x88)
BAD_TRAP(0x89) BAD_TRAP(0x8a) BAD_TRAP(0x8b) BAD_TRAP(0x8c)
BAD_TRAP(0x8d) BAD_TRAP(0x8e) BAD_TRAP(0x8f)
LINUX_SYSCALL_TRAP BAD_TRAP(0x91) BAD_TRAP(0x92) BAD_TRAP(0x93) BAD_TRAP(0x94)
BAD_TRAP(0x95) BAD_TRAP(0x96) BAD_TRAP(0x97) BAD_TRAP(0x98) BAD_TRAP(0x99)
BAD_TRAP(0x9a) BAD_TRAP(0x9b) BAD_TRAP(0x9c) BAD_TRAP(0x9d) BAD_TRAP(0x9e)
BAD_TRAP(0x9f) GETCC_TRAP SETCC_TRAP GETPSR_TRAP
BAD_TRAP(0xa3) BAD_TRAP(0xa4) BAD_TRAP(0xa5) BAD_TRAP(0xa6)
BAD_TRAP(0xa7) BAD_TRAP(0xa8) BAD_TRAP(0xa9) BAD_TRAP(0xaa) BAD_TRAP(0xab)
BAD_TRAP(0xac) BAD_TRAP(0xad) BAD_TRAP(0xae) BAD_TRAP(0xaf) BAD_TRAP(0xb0)
BAD_TRAP(0xb1) BAD_TRAP(0xb2) BAD_TRAP(0xb3) BAD_TRAP(0xb4) BAD_TRAP(0xb5)
BAD_TRAP(0xb6) BAD_TRAP(0xb7) BAD_TRAP(0xb8) BAD_TRAP(0xb9) BAD_TRAP(0xba)
BAD_TRAP(0xbb) BAD_TRAP(0xbc) BAD_TRAP(0xbd) BAD_TRAP(0xbe) BAD_TRAP(0xbf)
BAD_TRAP(0xc0) BAD_TRAP(0xc1) BAD_TRAP(0xc2) BAD_TRAP(0xc3) BAD_TRAP(0xc4)
BAD_TRAP(0xc5) BAD_TRAP(0xc6) BAD_TRAP(0xc7) BAD_TRAP(0xc8) BAD_TRAP(0xc9)
BAD_TRAP(0xca) BAD_TRAP(0xcb) BAD_TRAP(0xcc) BAD_TRAP(0xcd) BAD_TRAP(0xce)
BAD_TRAP(0xcf) BAD_TRAP(0xd0) BAD_TRAP(0xd1) BAD_TRAP(0xd2) BAD_TRAP(0xd3)
BAD_TRAP(0xd4) BAD_TRAP(0xd5) BAD_TRAP(0xd6) BAD_TRAP(0xd7) BAD_TRAP(0xd8)
BAD_TRAP(0xd9) BAD_TRAP(0xda) BAD_TRAP(0xdb) BAD_TRAP(0xdc) BAD_TRAP(0xdd)
BAD_TRAP(0xde) BAD_TRAP(0xdf) BAD_TRAP(0xe0) BAD_TRAP(0xe1) BAD_TRAP(0xe2)
BAD_TRAP(0xe3) BAD_TRAP(0xe4) BAD_TRAP(0xe5) BAD_TRAP(0xe6) BAD_TRAP(0xe7)
BAD_TRAP(0xe8) BAD_TRAP(0xe9) BAD_TRAP(0xea) BAD_TRAP(0xeb) BAD_TRAP(0xec)
BAD_TRAP(0xed) BAD_TRAP(0xee) BAD_TRAP(0xef) BAD_TRAP(0xf0) BAD_TRAP(0xf1)
BAD_TRAP(0xf2) BAD_TRAP(0xf3) BAD_TRAP(0xf4) BAD_TRAP(0xf5) BAD_TRAP(0xf6)
BAD_TRAP(0xf7) BAD_TRAP(0xf8) BAD_TRAP(0xf9) BAD_TRAP(0xfa) BAD_TRAP(0xfb)
BAD_TRAP(0xfc) KGDB_TRAP(0xfd) BAD_TRAP(0xfe) BAD_TRAP(0xff)
trapbase_cpu3:
BAD_TRAP(0x0) SRMMU_TFAULT TRAP_ENTRY(0x2, bad_instruction)
TRAP_ENTRY(0x3, priv_instruction) TRAP_ENTRY(0x4, fpd_trap_handler)
WINDOW_SPILL WINDOW_FILL TRAP_ENTRY(0x7, mna_handler)
TRAP_ENTRY(0x8, fpe_trap_handler) SRMMU_DFAULT
TRAP_ENTRY(0xa, do_tag_overflow) TRAP_ENTRY(0xb, do_watchpoint)
BAD_TRAP(0xc) BAD_TRAP(0xd) BAD_TRAP(0xe) BAD_TRAP(0xf) BAD_TRAP(0x10)
TRAP_ENTRY_INTERRUPT(1) TRAP_ENTRY_INTERRUPT(2)
TRAP_ENTRY_INTERRUPT(3) TRAP_ENTRY_INTERRUPT(4)
TRAP_ENTRY_INTERRUPT(5) TRAP_ENTRY_INTERRUPT(6)
TRAP_ENTRY_INTERRUPT(7) TRAP_ENTRY_INTERRUPT(8)
TRAP_ENTRY_INTERRUPT(9) TRAP_ENTRY_INTERRUPT(10)
TRAP_ENTRY_INTERRUPT(11) TRAP_ENTRY_INTERRUPT(12)
TRAP_ENTRY_INTERRUPT(13) TRAP_ENTRY_INTERRUPT(14)
TRAP_ENTRY(0x1f, linux_trap_ipi15_sun4m)
TRAP_ENTRY(0x20, do_reg_access) BAD_TRAP(0x21) BAD_TRAP(0x22)
BAD_TRAP(0x23) TRAP_ENTRY(0x24, do_cp_disabled) SKIP_TRAP(0x25, unimp_flush)
BAD_TRAP(0x26) BAD_TRAP(0x27) TRAP_ENTRY(0x28, do_cp_exception)
SRMMU_DFAULT TRAP_ENTRY(0x2a, do_hw_divzero) BAD_TRAP(0x2b) BAD_TRAP(0x2c)
BAD_TRAP(0x2d) BAD_TRAP(0x2e) BAD_TRAP(0x2f) BAD_TRAP(0x30) BAD_TRAP(0x31)
BAD_TRAP(0x32) BAD_TRAP(0x33) BAD_TRAP(0x34) BAD_TRAP(0x35) BAD_TRAP(0x36)
BAD_TRAP(0x37) BAD_TRAP(0x38) BAD_TRAP(0x39) BAD_TRAP(0x3a) BAD_TRAP(0x3b)
BAD_TRAP(0x3c) BAD_TRAP(0x3d) BAD_TRAP(0x3e) BAD_TRAP(0x3f) BAD_TRAP(0x40)
BAD_TRAP(0x41) BAD_TRAP(0x42) BAD_TRAP(0x43) BAD_TRAP(0x44) BAD_TRAP(0x45)
BAD_TRAP(0x46) BAD_TRAP(0x47) BAD_TRAP(0x48) BAD_TRAP(0x49) BAD_TRAP(0x4a)
BAD_TRAP(0x4b) BAD_TRAP(0x4c) BAD_TRAP(0x4d) BAD_TRAP(0x4e) BAD_TRAP(0x4f)
BAD_TRAP(0x50)
BAD_TRAP(0x51) BAD_TRAP(0x52) BAD_TRAP(0x53) BAD_TRAP(0x54) BAD_TRAP(0x55)
BAD_TRAP(0x56) BAD_TRAP(0x57) BAD_TRAP(0x58) BAD_TRAP(0x59) BAD_TRAP(0x5a)
BAD_TRAP(0x5b) BAD_TRAP(0x5c) BAD_TRAP(0x5d) BAD_TRAP(0x5e) BAD_TRAP(0x5f)
BAD_TRAP(0x60) BAD_TRAP(0x61) BAD_TRAP(0x62) BAD_TRAP(0x63) BAD_TRAP(0x64)
BAD_TRAP(0x65) BAD_TRAP(0x66) BAD_TRAP(0x67) BAD_TRAP(0x68) BAD_TRAP(0x69)
BAD_TRAP(0x6a) BAD_TRAP(0x6b) BAD_TRAP(0x6c) BAD_TRAP(0x6d) BAD_TRAP(0x6e)
BAD_TRAP(0x6f) BAD_TRAP(0x70) BAD_TRAP(0x71) BAD_TRAP(0x72) BAD_TRAP(0x73)
BAD_TRAP(0x74) BAD_TRAP(0x75) BAD_TRAP(0x76) BAD_TRAP(0x77) BAD_TRAP(0x78)
BAD_TRAP(0x79) BAD_TRAP(0x7a) BAD_TRAP(0x7b) BAD_TRAP(0x7c) BAD_TRAP(0x7d)
BAD_TRAP(0x7e) BAD_TRAP(0x7f)
BAD_TRAP(0x80)
BREAKPOINT_TRAP
TRAP_ENTRY(0x82, do_hw_divzero)
TRAP_ENTRY(0x83, do_flush_windows) BAD_TRAP(0x84) BAD_TRAP(0x85)
BAD_TRAP(0x86) BAD_TRAP(0x87) BAD_TRAP(0x88)
BAD_TRAP(0x89) BAD_TRAP(0x8a) BAD_TRAP(0x8b) BAD_TRAP(0x8c)
BAD_TRAP(0x8d) BAD_TRAP(0x8e) BAD_TRAP(0x8f)
LINUX_SYSCALL_TRAP BAD_TRAP(0x91) BAD_TRAP(0x92) BAD_TRAP(0x93) BAD_TRAP(0x94)
BAD_TRAP(0x95) BAD_TRAP(0x96) BAD_TRAP(0x97) BAD_TRAP(0x98) BAD_TRAP(0x99)
BAD_TRAP(0x9a) BAD_TRAP(0x9b) BAD_TRAP(0x9c) BAD_TRAP(0x9d) BAD_TRAP(0x9e)
BAD_TRAP(0x9f) GETCC_TRAP SETCC_TRAP GETPSR_TRAP
BAD_TRAP(0xa3) BAD_TRAP(0xa4) BAD_TRAP(0xa5) BAD_TRAP(0xa6)
BAD_TRAP(0xa7) BAD_TRAP(0xa8) BAD_TRAP(0xa9) BAD_TRAP(0xaa) BAD_TRAP(0xab)
BAD_TRAP(0xac) BAD_TRAP(0xad) BAD_TRAP(0xae) BAD_TRAP(0xaf) BAD_TRAP(0xb0)
BAD_TRAP(0xb1) BAD_TRAP(0xb2) BAD_TRAP(0xb3) BAD_TRAP(0xb4) BAD_TRAP(0xb5)
BAD_TRAP(0xb6) BAD_TRAP(0xb7) BAD_TRAP(0xb8) BAD_TRAP(0xb9) BAD_TRAP(0xba)
BAD_TRAP(0xbb) BAD_TRAP(0xbc) BAD_TRAP(0xbd) BAD_TRAP(0xbe) BAD_TRAP(0xbf)
BAD_TRAP(0xc0) BAD_TRAP(0xc1) BAD_TRAP(0xc2) BAD_TRAP(0xc3) BAD_TRAP(0xc4)
BAD_TRAP(0xc5) BAD_TRAP(0xc6) BAD_TRAP(0xc7) BAD_TRAP(0xc8) BAD_TRAP(0xc9)
BAD_TRAP(0xca) BAD_TRAP(0xcb) BAD_TRAP(0xcc) BAD_TRAP(0xcd) BAD_TRAP(0xce)
BAD_TRAP(0xcf) BAD_TRAP(0xd0) BAD_TRAP(0xd1) BAD_TRAP(0xd2) BAD_TRAP(0xd3)
BAD_TRAP(0xd4) BAD_TRAP(0xd5) BAD_TRAP(0xd6) BAD_TRAP(0xd7) BAD_TRAP(0xd8)
BAD_TRAP(0xd9) BAD_TRAP(0xda) BAD_TRAP(0xdb) BAD_TRAP(0xdc) BAD_TRAP(0xdd)
BAD_TRAP(0xde) BAD_TRAP(0xdf) BAD_TRAP(0xe0) BAD_TRAP(0xe1) BAD_TRAP(0xe2)
BAD_TRAP(0xe3) BAD_TRAP(0xe4) BAD_TRAP(0xe5) BAD_TRAP(0xe6) BAD_TRAP(0xe7)
BAD_TRAP(0xe8) BAD_TRAP(0xe9) BAD_TRAP(0xea) BAD_TRAP(0xeb) BAD_TRAP(0xec)
BAD_TRAP(0xed) BAD_TRAP(0xee) BAD_TRAP(0xef) BAD_TRAP(0xf0) BAD_TRAP(0xf1)
BAD_TRAP(0xf2) BAD_TRAP(0xf3) BAD_TRAP(0xf4) BAD_TRAP(0xf5) BAD_TRAP(0xf6)
BAD_TRAP(0xf7) BAD_TRAP(0xf8) BAD_TRAP(0xf9) BAD_TRAP(0xfa) BAD_TRAP(0xfb)
BAD_TRAP(0xfc) KGDB_TRAP(0xfd) BAD_TRAP(0xfe) BAD_TRAP(0xff)
#endif
.align PAGE_SIZE
/* This was the only reasonable way I could think of to properly align
* these page-table data structures.
*/
.globl pg0, pg1, pg2, pg3
.globl empty_bad_page
.globl empty_bad_page_table
.globl empty_zero_page
.globl swapper_pg_dir
swapper_pg_dir: .skip PAGE_SIZE
pg0: .skip PAGE_SIZE
pg1: .skip PAGE_SIZE
pg2: .skip PAGE_SIZE
pg3: .skip PAGE_SIZE
empty_bad_page: .skip PAGE_SIZE
empty_bad_page_table: .skip PAGE_SIZE
empty_zero_page: .skip PAGE_SIZE
.global root_flags
.global ram_flags
.global root_dev
.global sparc_ramdisk_image
.global sparc_ramdisk_size
/* This stuff has to be in sync with SILO and other potential boot loaders
* Fields should be kept upward compatible and whenever any change is made,
* HdrS version should be incremented.
*/
.ascii "HdrS"
.word LINUX_VERSION_CODE
.half 0x0203 /* HdrS version */
root_flags:
.half 1
root_dev:
.half 0
ram_flags:
.half 0
sparc_ramdisk_image:
.word 0
sparc_ramdisk_size:
.word 0
.word reboot_command
.word 0, 0, 0
.word _end
/* Cool, here we go. Pick up the romvec pointer in %o0 and stash it in
* %g7 and at prom_vector_p. And also quickly check whether we are on
* a v0, v2, or v3 prom.
*/
gokernel:
/* Ok, it's nice to know, as early as possible, if we
* are already mapped where we expect to be in virtual
* memory. The Solaris /boot elf format bootloader
* will peek into our elf header and load us where
* we want to be, otherwise we have to re-map.
*
* Some boot loaders don't place the jmp'rs address
* in %o7, so we do a pc-relative call to a local
* label, then see what %o7 has.
*/
mov %o7, %g4 ! Save %o7
/* Jump to it, and pray... */
current_pc:
call 1f
nop
1:
mov %o7, %g3
tst %o0
be no_sun4u_here
mov %g4, %o7 /* Previous %o7. */
mov %o0, %l0 ! stash away romvec
mov %o0, %g7 ! put it here too
mov %o1, %l1 ! stash away debug_vec too
/* Ok, let's check out our run time program counter. */
set current_pc, %g5
cmp %g3, %g5
be already_mapped
nop
/* %l6 will hold the offset we have to subtract
* from absolute symbols in order to access areas
* in our own image. If already mapped this is
* just plain zero, else it is KERNBASE.
*/
set KERNBASE, %l6
b copy_prom_lvl14
nop
already_mapped:
mov 0, %l6
/* Copy over the Prom's level 14 clock handler. */
copy_prom_lvl14:
#if 1
/* DJHR
* preserve our linked/calculated instructions
*/
set lvl14_save, %g1
set t_irq14, %g3
sub %g1, %l6, %g1 ! translate to physical
sub %g3, %l6, %g3 ! translate to physical
ldd [%g3], %g4
std %g4, [%g1]
ldd [%g3+8], %g4
std %g4, [%g1+8]
#endif
rd %tbr, %g1
andn %g1, 0xfff, %g1 ! proms trap table base
or %g0, (0x1e<<4), %g2 ! offset to lvl14 intr
or %g1, %g2, %g2
set t_irq14, %g3
sub %g3, %l6, %g3
ldd [%g2], %g4
std %g4, [%g3]
ldd [%g2 + 0x8], %g4
std %g4, [%g3 + 0x8] ! Copy proms handler
/* Must determine whether we are on a sun4c MMU, SRMMU, or SUN4/400 MUTANT
* MMU so we can remap ourselves properly. DON'T TOUCH %l0 thru %l5 in these
* remapping routines, we need their values afterwards!
*/
/* Now check whether we are already mapped, if we
* are we can skip all this garbage coming up.
*/
copy_prom_done:
cmp %l6, 0
be go_to_highmem ! this will be a nop then
nop
set LOAD_ADDR, %g6
cmp %g7, %g6
bne remap_not_a_sun4 ! This is not a Sun4
nop
or %g0, 0x1, %g1
lduba [%g1] ASI_CONTROL, %g1 ! Only safe to try on Sun4.
subcc %g1, 0x24, %g0 ! Is this a mutant Sun4/400???
be sun4_mutant_remap ! Ugh, it is...
nop
b sun4_normal_remap ! regular sun4, 2 level mmu
nop
remap_not_a_sun4:
lda [%g0] ASI_M_MMUREGS, %g1 ! same as ASI_PTE on sun4c
and %g1, 0x1, %g1 ! Test SRMMU Enable bit ;-)
cmp %g1, 0x0
be sun4c_remap ! A sun4c MMU or normal Sun4
nop
srmmu_remap:
/* First, check for a viking (TI) module. */
set 0x40000000, %g2
rd %psr, %g3
and %g2, %g3, %g3
subcc %g3, 0x0, %g0
bz srmmu_nviking
nop
/* Figure out what kind of viking we are on.
* We need to know if we have to play with the
* AC bit and disable traps or not.
*/
/* I've only seen MicroSparc's on SparcClassics with this
* bit set.
*/
set 0x800, %g2
lda [%g0] ASI_M_MMUREGS, %g3 ! peek in the control reg
and %g2, %g3, %g3
subcc %g3, 0x0, %g0
bnz srmmu_nviking ! is in mbus mode
nop
rd %psr, %g3 ! DO NOT TOUCH %g3
andn %g3, PSR_ET, %g2
wr %g2, 0x0, %psr
WRITE_PAUSE
/* Get context table pointer, then convert to
* a physical address, which is 36 bits.
*/
set AC_M_CTPR, %g4
lda [%g4] ASI_M_MMUREGS, %g4
sll %g4, 0x4, %g4 ! We use this below
! DO NOT TOUCH %g4
/* Set the AC bit in the Viking's MMU control reg. */
lda [%g0] ASI_M_MMUREGS, %g5 ! DO NOT TOUCH %g5
set 0x8000, %g6 ! AC bit mask
or %g5, %g6, %g6 ! Or it in...
sta %g6, [%g0] ASI_M_MMUREGS ! Close your eyes...
/* Grrr, why does it seem like every other load/store
* on the sun4m is in some ASI space...
* Fine with me, let's get the pointer to the level 1
* page table directory and fetch its entry.
*/
lda [%g4] ASI_M_BYPASS, %o1 ! This is a level 1 ptr
srl %o1, 0x4, %o1 ! Clear low 4 bits
sll %o1, 0x8, %o1 ! Make physical
/* Ok, pull in the PTD. */
lda [%o1] ASI_M_BYPASS, %o2 ! This is the 0x0 16MB pgd
/* Calculate to KERNBASE entry. */
add %o1, KERNBASE >> (SRMMU_PGDIR_SHIFT - 2), %o3
/* Poke the entry into the calculated address. */
sta %o2, [%o3] ASI_M_BYPASS
/* I don't get it Sun, if you engineered all these
* boot loaders and the PROM (thank you for the debugging
* features btw) why did you not have them load kernel
* images up in high address space, since this is necessary
* for ABI compliance anyways? Does this low-mapping provide
* enhanced interoperability?
*
* "The PROM is the computer."
*/
/* Ok, restore the MMU control register we saved in %g5 */
sta %g5, [%g0] ASI_M_MMUREGS ! POW... ouch
/* Turn traps back on. We saved it in %g3 earlier. */
wr %g3, 0x0, %psr ! tick tock, tick tock
/* Now we burn precious CPU cycles due to bad engineering. */
WRITE_PAUSE
/* Wow, all that just to move a 32-bit value from one
* place to another... Jump to high memory.
*/
b go_to_highmem
nop
/* This works on viking's in Mbus mode and all
* other MBUS modules. It is virtually the same as
* the above madness sans turning traps off and flipping
* the AC bit.
*/
srmmu_nviking:
set AC_M_CTPR, %g1
lda [%g1] ASI_M_MMUREGS, %g1 ! get ctx table ptr
sll %g1, 0x4, %g1 ! make physical addr
lda [%g1] ASI_M_BYPASS, %g1 ! ptr to level 1 pg_table
srl %g1, 0x4, %g1
sll %g1, 0x8, %g1 ! make phys addr for l1 tbl
lda [%g1] ASI_M_BYPASS, %g2 ! get level1 entry for 0x0
add %g1, KERNBASE >> (SRMMU_PGDIR_SHIFT - 2), %g3
sta %g2, [%g3] ASI_M_BYPASS ! place at KERNBASE entry
b go_to_highmem
nop ! wheee....
/* This remaps the kernel on Sun4/4xx machines
* that have the Sun Mutant Three Level MMU.
* It's like a platypus, Sun didn't have the
* SRMMU in conception so they kludged the three
* level logic in the regular Sun4 MMU probably.
*
* Basically, you take each entry in the top level
* directory that maps the low 3MB starting at
* address zero and put the mapping in the KERNBASE
* slots. These top level pgd's are called regmaps.
*/
sun4_mutant_remap:
or %g0, %g0, %g3 ! source base
sethi %hi(KERNBASE), %g4 ! destination base
or %g4, %lo(KERNBASE), %g4
sethi %hi(0x300000), %g5
or %g5, %lo(0x300000), %g5 ! upper bound 3MB
or %g0, 0x1, %l6
sll %l6, 24, %l6 ! Regmap mapping size
add %g3, 0x2, %g3 ! Base magic
add %g4, 0x2, %g4 ! Base magic
/* Main remapping loop on Sun4-Mutant-MMU.
* "I am not an animal..." -Famous Mutant Person
*/
sun4_mutant_loop:
lduha [%g3] ASI_REGMAP, %g2 ! Get lower entry
stha %g2, [%g4] ASI_REGMAP ! Store in high entry
add %g4, %l6, %g4 ! Move up high memory ptr
subcc %g3, %g5, %g0 ! Reached our limit?
blu sun4_mutant_loop ! Nope, loop again
add %g3, %l6, %g3 ! delay, Move up low ptr
b go_to_highmem ! Jump to high memory.
nop
/* The following is for non-4/4xx sun4 MMU's. */
sun4_normal_remap:
mov 0, %g3 ! source base
set KERNBASE, %g4 ! destination base
set 0x300000, %g5 ! upper bound 3MB
mov 1, %l6
sll %l6, 18, %l6 ! sun4 mmu segmap size
sun4_normal_loop:
lduha [%g3] ASI_SEGMAP, %g6 ! load phys_seg
stha %g6, [%g4] ASI_SEGMAP ! stort new virt mapping
add %g3, %l6, %g3 ! increment source pointer
subcc %g3, %g5, %g0 ! reached limit?
blu sun4_normal_loop ! nope, loop again
add %g4, %l6, %g4 ! delay, increment dest ptr
b go_to_highmem
nop
/* The following works for Sun4c MMU's */
sun4c_remap:
mov 0, %g3 ! source base
set KERNBASE, %g4 ! destination base
set 0x300000, %g5 ! upper bound 3MB
mov 1, %l6
sll %l6, 18, %l6 ! sun4c mmu segmap size
sun4c_remap_loop:
lda [%g3] ASI_SEGMAP, %g6 ! load phys_seg
sta %g6, [%g4] ASI_SEGMAP ! store new virt mapping
add %g3, %l6, %g3 ! Increment source ptr
subcc %g3, %g5, %g0 ! Reached limit?
bl sun4c_remap_loop ! Nope, loop again
add %g4, %l6, %g4 ! delay, Increment dest ptr
/* Now do a non-relative jump so that PC is in high-memory */
go_to_highmem:
set execute_in_high_mem, %g1
jmpl %g1, %g0
nop
/* The code above should be at beginning and we have to take care about
* short jumps, as branching to .init.text section from .text is usually
* impossible */
__INIT
/* Acquire boot time privileged register values, this will help debugging.
* I figure out and store nwindows and nwindowsm1 later on.
*/
execute_in_high_mem:
mov %l0, %o0 ! put back romvec
mov %l1, %o1 ! and debug_vec
sethi %hi(prom_vector_p), %g1
st %o0, [%g1 + %lo(prom_vector_p)]
sethi %hi(linux_dbvec), %g1
st %o1, [%g1 + %lo(linux_dbvec)]
ld [%o0 + 0x4], %o3
and %o3, 0x3, %o5 ! get the version
cmp %o3, 0x2 ! a v2 prom?
be found_version
nop
/* paul@sfe.com.au */
cmp %o3, 0x3 ! a v3 prom?
be found_version
nop
/* Old sun4's pass our load address into %o0 instead of the prom
* pointer. On sun4's you have to hard code the romvec pointer into
* your code. Sun probably still does that because they don't even
* trust their own "OpenBoot" specifications.
*/
set LOAD_ADDR, %g6
cmp %o0, %g6 ! an old sun4?
be sun4_init
nop
found_version:
/* Get the machine type via the mysterious romvec node operations. */
add %g7, 0x1c, %l1
ld [%l1], %l0
ld [%l0], %l0
call %l0
or %g0, %g0, %o0 ! next_node(0) = first_node
or %o0, %g0, %g6
sethi %hi(cputypvar), %o1 ! First node has cpu-arch
or %o1, %lo(cputypvar), %o1
sethi %hi(cputypval), %o2 ! information, the string
or %o2, %lo(cputypval), %o2
ld [%l1], %l0 ! 'compatibility' tells
ld [%l0 + 0xc], %l0 ! that we want 'sun4x' where
call %l0 ! x is one of '', 'c', 'm',
nop ! 'd' or 'e'. %o2 holds pointer
! to a buf where above string
! will get stored by the prom.
subcc %o0, %g0, %g0
bpos got_prop ! Got the property
nop
or %g6, %g0, %o0
sethi %hi(cputypvar_sun4m), %o1
or %o1, %lo(cputypvar_sun4m), %o1
sethi %hi(cputypval), %o2
or %o2, %lo(cputypval), %o2
ld [%l1], %l0
ld [%l0 + 0xc], %l0
call %l0
nop
got_prop:
#ifdef CONFIG_SPARC_LEON
/* no cpu-type check is needed, it is a SPARC-LEON */
#ifdef CONFIG_SMP
ba leon_smp_init
nop
.global leon_smp_init
leon_smp_init:
/* let boot_cpu_id default to 0 (master always 0) */
rd %asr17,%g1
srl %g1,28,%g1
cmp %g0,%g1
beq sun4c_continue_boot !continue with master
nop
ba leon_smp_cpu_startup
nop
#else
ba sun4c_continue_boot
nop
#endif
#endif
set cputypval, %o2
ldub [%o2 + 0x4], %l1
cmp %l1, ' '
be 1f
cmp %l1, 'c'
be 1f
cmp %l1, 'm'
be 1f
cmp %l1, 's'
be 1f
cmp %l1, 'd'
be 1f
cmp %l1, 'e'
be no_sun4e_here ! Could be a sun4e.
nop
b no_sun4u_here ! AIEEE, a V9 sun4u... Get our BIG BROTHER kernel :))
nop
1: set cputypval, %l1
ldub [%l1 + 0x4], %l1
cmp %l1, 'm' ! Test for sun4d, sun4e ?
be sun4m_init
cmp %l1, 's' ! Treat sun4s as sun4m
be sun4m_init
cmp %l1, 'd' ! Let us see how the beast will die
be sun4d_init
nop
/* Jump into mmu context zero. */
set AC_CONTEXT, %g1
stba %g0, [%g1] ASI_CONTROL
b sun4c_continue_boot
nop
/* CPUID in bootbus can be found at PA 0xff0140000 */
#define SUN4D_BOOTBUS_CPUID 0xf0140000
sun4d_init:
/* Need to patch call to handler_irq */
set patch_handler_irq, %g4
set sun4d_handler_irq, %g5
sethi %hi(0x40000000), %g3 ! call
sub %g5, %g4, %g5
srl %g5, 2, %g5
or %g5, %g3, %g5
st %g5, [%g4]
#ifdef CONFIG_SMP
/* Get our CPU id out of bootbus */
set SUN4D_BOOTBUS_CPUID, %g3
lduba [%g3] ASI_M_CTL, %g3
and %g3, 0xf8, %g3
srl %g3, 3, %g4
sta %g4, [%g0] ASI_M_VIKING_TMP1
sethi %hi(boot_cpu_id), %g5
stb %g4, [%g5 + %lo(boot_cpu_id)]
#endif
/* Fall through to sun4m_init */
sun4m_init:
/* XXX Fucking Cypress... */
lda [%g0] ASI_M_MMUREGS, %g5
srl %g5, 28, %g4
cmp %g4, 1
bne 1f
srl %g5, 24, %g4
and %g4, 0xf, %g4
cmp %g4, 7 /* This would be a HyperSparc. */
bne 2f
nop
1:
#define PATCH_IT(dst, src) \
set (dst), %g5; \
set (src), %g4; \
ld [%g4], %g3; \
st %g3, [%g5]; \
ld [%g4+0x4], %g3; \
st %g3, [%g5+0x4];
/* Signed multiply. */
PATCH_IT(.mul, .mul_patch)
PATCH_IT(.mul+0x08, .mul_patch+0x08)
/* Signed remainder. */
PATCH_IT(.rem, .rem_patch)
PATCH_IT(.rem+0x08, .rem_patch+0x08)
PATCH_IT(.rem+0x10, .rem_patch+0x10)
PATCH_IT(.rem+0x18, .rem_patch+0x18)
PATCH_IT(.rem+0x20, .rem_patch+0x20)
PATCH_IT(.rem+0x28, .rem_patch+0x28)
/* Signed division. */
PATCH_IT(.div, .div_patch)
PATCH_IT(.div+0x08, .div_patch+0x08)
PATCH_IT(.div+0x10, .div_patch+0x10)
PATCH_IT(.div+0x18, .div_patch+0x18)
PATCH_IT(.div+0x20, .div_patch+0x20)
/* Unsigned multiply. */
PATCH_IT(.umul, .umul_patch)
PATCH_IT(.umul+0x08, .umul_patch+0x08)
/* Unsigned remainder. */
PATCH_IT(.urem, .urem_patch)
PATCH_IT(.urem+0x08, .urem_patch+0x08)
PATCH_IT(.urem+0x10, .urem_patch+0x10)
PATCH_IT(.urem+0x18, .urem_patch+0x18)
/* Unsigned division. */
PATCH_IT(.udiv, .udiv_patch)
PATCH_IT(.udiv+0x08, .udiv_patch+0x08)
PATCH_IT(.udiv+0x10, .udiv_patch+0x10)
#undef PATCH_IT
/* Ok, the PROM could have done funny things and apple cider could still
* be sitting in the fault status/address registers. Read them all to
* clear them so we don't get magic faults later on.
*/
/* This sucks, apparently this makes Vikings call prom panic, will fix later */
2:
rd %psr, %o1
srl %o1, 28, %o1 ! Get a type of the CPU
subcc %o1, 4, %g0 ! TI: Viking or MicroSPARC
be sun4c_continue_boot
nop
set AC_M_SFSR, %o0
lda [%o0] ASI_M_MMUREGS, %g0
set AC_M_SFAR, %o0
lda [%o0] ASI_M_MMUREGS, %g0
/* Fujitsu MicroSPARC-II has no asynchronous flavors of FARs */
subcc %o1, 0, %g0
be sun4c_continue_boot
nop
set AC_M_AFSR, %o0
lda [%o0] ASI_M_MMUREGS, %g0
set AC_M_AFAR, %o0
lda [%o0] ASI_M_MMUREGS, %g0
nop
sun4c_continue_boot:
/* Aieee, now set PC and nPC, enable traps, give ourselves a stack and it's
* show-time!
*/
sethi %hi(cputyp), %o0
st %g4, [%o0 + %lo(cputyp)]
/* Turn on Supervisor, EnableFloating, and all the PIL bits.
* Also puts us in register window zero with traps off.
*/
set (PSR_PS | PSR_S | PSR_PIL | PSR_EF), %g2
wr %g2, 0x0, %psr
WRITE_PAUSE
/* I want a kernel stack NOW! */
set init_thread_union, %g1
set (THREAD_SIZE - STACKFRAME_SZ), %g2
add %g1, %g2, %sp
mov 0, %fp /* And for good luck */
/* Zero out our BSS section. */
set __bss_start , %o0 ! First address of BSS
set _end , %o1 ! Last address of BSS
add %o0, 0x1, %o0
1:
stb %g0, [%o0]
subcc %o0, %o1, %g0
bl 1b
add %o0, 0x1, %o0
/* If boot_cpu_id has not been setup by machine specific
* init-code above we default it to zero.
*/
sethi %hi(boot_cpu_id), %g2
ldub [%g2 + %lo(boot_cpu_id)], %g3
cmp %g3, 0xff
bne 1f
nop
mov %g0, %g3
stub %g3, [%g2 + %lo(boot_cpu_id)]
1: /* boot_cpu_id set. calculate boot_cpu_id4 = boot_cpu_id*4 */
sll %g3, 2, %g3
sethi %hi(boot_cpu_id4), %g2
stub %g3, [%g2 + %lo(boot_cpu_id4)]
/* Initialize the uwinmask value for init task just in case.
* But first make current_set[boot_cpu_id] point to something useful.
*/
set init_thread_union, %g6
set current_set, %g2
#ifdef CONFIG_SMP
st %g6, [%g2]
add %g2, %g3, %g2
#endif
st %g6, [%g2]
st %g0, [%g6 + TI_UWINMASK]
/* Compute NWINDOWS and stash it away. Now uses %wim trick explained
* in the V8 manual. Ok, this method seems to work, Sparc is cool...
* No, it doesn't work, have to play the save/readCWP/restore trick.
*/
wr %g0, 0x0, %wim ! so we do not get a trap
WRITE_PAUSE
save
rd %psr, %g3
restore
and %g3, 0x1f, %g3
add %g3, 0x1, %g3
mov 2, %g1
wr %g1, 0x0, %wim ! make window 1 invalid
WRITE_PAUSE
cmp %g3, 0x7
bne 2f
nop
/* Adjust our window handling routines to
* do things correctly on 7 window Sparcs.
*/
#define PATCH_INSN(src, dest) \
set src, %g5; \
set dest, %g2; \
ld [%g5], %g4; \
st %g4, [%g2];
/* Patch for window spills... */
PATCH_INSN(spnwin_patch1_7win, spnwin_patch1)
PATCH_INSN(spnwin_patch2_7win, spnwin_patch2)
PATCH_INSN(spnwin_patch3_7win, spnwin_patch3)
/* Patch for window fills... */
PATCH_INSN(fnwin_patch1_7win, fnwin_patch1)
PATCH_INSN(fnwin_patch2_7win, fnwin_patch2)
/* Patch for trap entry setup... */
PATCH_INSN(tsetup_7win_patch1, tsetup_patch1)
PATCH_INSN(tsetup_7win_patch2, tsetup_patch2)
PATCH_INSN(tsetup_7win_patch3, tsetup_patch3)
PATCH_INSN(tsetup_7win_patch4, tsetup_patch4)
PATCH_INSN(tsetup_7win_patch5, tsetup_patch5)
PATCH_INSN(tsetup_7win_patch6, tsetup_patch6)
/* Patch for returning from traps... */
PATCH_INSN(rtrap_7win_patch1, rtrap_patch1)
PATCH_INSN(rtrap_7win_patch2, rtrap_patch2)
PATCH_INSN(rtrap_7win_patch3, rtrap_patch3)
PATCH_INSN(rtrap_7win_patch4, rtrap_patch4)
PATCH_INSN(rtrap_7win_patch5, rtrap_patch5)
/* Patch for killing user windows from the register file. */
PATCH_INSN(kuw_patch1_7win, kuw_patch1)
/* Now patch the kernel window flush sequences.
* This saves 2 traps on every switch and fork.
*/
set 0x01000000, %g4
set flush_patch_one, %g5
st %g4, [%g5 + 0x18]
st %g4, [%g5 + 0x1c]
set flush_patch_two, %g5
st %g4, [%g5 + 0x18]
st %g4, [%g5 + 0x1c]
set flush_patch_three, %g5
st %g4, [%g5 + 0x18]
st %g4, [%g5 + 0x1c]
set flush_patch_four, %g5
st %g4, [%g5 + 0x18]
st %g4, [%g5 + 0x1c]
set flush_patch_exception, %g5
st %g4, [%g5 + 0x18]
st %g4, [%g5 + 0x1c]
set flush_patch_switch, %g5
st %g4, [%g5 + 0x18]
st %g4, [%g5 + 0x1c]
2:
sethi %hi(nwindows), %g4
st %g3, [%g4 + %lo(nwindows)] ! store final value
sub %g3, 0x1, %g3
sethi %hi(nwindowsm1), %g4
st %g3, [%g4 + %lo(nwindowsm1)]
/* Here we go, start using Linux's trap table... */
set trapbase, %g3
wr %g3, 0x0, %tbr
WRITE_PAUSE
/* Finally, turn on traps so that we can call c-code. */
rd %psr, %g3
wr %g3, 0x0, %psr
WRITE_PAUSE
wr %g3, PSR_ET, %psr
WRITE_PAUSE
/* First we call prom_init() to set up PROMLIB, then
* off to start_kernel().
*/
sethi %hi(prom_vector_p), %g5
ld [%g5 + %lo(prom_vector_p)], %o0
call prom_init
nop
call start_kernel
nop
/* We should not get here. */
call halt_me
nop
sun4_init:
sethi %hi(SUN4_PROM_VECTOR+0x84), %o1
ld [%o1 + %lo(SUN4_PROM_VECTOR+0x84)], %o1
set sun4_notsup, %o0
call %o1 /* printf */
nop
sethi %hi(SUN4_PROM_VECTOR+0xc4), %o1
ld [%o1 + %lo(SUN4_PROM_VECTOR+0xc4)], %o1
call %o1 /* exittomon */
nop
1: ba 1b ! Cannot exit into KMON
nop
no_sun4e_here:
ld [%g7 + 0x68], %o1
set sun4e_notsup, %o0
call %o1
nop
b halt_me
nop
__INITDATA
sun4u_1:
.asciz "finddevice"
.align 4
sun4u_2:
.asciz "/chosen"
.align 4
sun4u_3:
.asciz "getprop"
.align 4
sun4u_4:
.asciz "stdout"
.align 4
sun4u_5:
.asciz "write"
.align 4
sun4u_6:
.asciz "\n\rOn sun4u you have to use UltraLinux (64bit) kernel\n\rand not a 32bit sun4[cdem] version\n\r\n\r"
sun4u_6e:
.align 4
sun4u_7:
.asciz "exit"
.align 8
sun4u_a1:
.word 0, sun4u_1, 0, 1, 0, 1, 0, sun4u_2, 0
sun4u_r1:
.word 0
sun4u_a2:
.word 0, sun4u_3, 0, 4, 0, 1, 0
sun4u_i2:
.word 0, 0, sun4u_4, 0, sun4u_1, 0, 8, 0
sun4u_r2:
.word 0
sun4u_a3:
.word 0, sun4u_5, 0, 3, 0, 1, 0
sun4u_i3:
.word 0, 0, sun4u_6, 0, sun4u_6e - sun4u_6 - 1, 0
sun4u_r3:
.word 0
sun4u_a4:
.word 0, sun4u_7, 0, 0, 0, 0
sun4u_r4:
__INIT
no_sun4u_here:
set sun4u_a1, %o0
set current_pc, %l2
cmp %l2, %g3
be 1f
mov %o4, %l0
sub %g3, %l2, %l6
add %o0, %l6, %o0
mov %o0, %l4
mov sun4u_r4 - sun4u_a1, %l3
ld [%l4], %l5
2:
add %l4, 4, %l4
cmp %l5, %l2
add %l5, %l6, %l5
bgeu,a 3f
st %l5, [%l4 - 4]
3:
subcc %l3, 4, %l3
bne 2b
ld [%l4], %l5
1:
call %l0
mov %o0, %l1
ld [%l1 + (sun4u_r1 - sun4u_a1)], %o1
add %l1, (sun4u_a2 - sun4u_a1), %o0
call %l0
st %o1, [%o0 + (sun4u_i2 - sun4u_a2)]
ld [%l1 + (sun4u_1 - sun4u_a1)], %o1
add %l1, (sun4u_a3 - sun4u_a1), %o0
call %l0
st %o1, [%o0 + (sun4u_i3 - sun4u_a3)]
call %l0
add %l1, (sun4u_a4 - sun4u_a1), %o0
/* Not reached */
halt_me:
ld [%g7 + 0x74], %o0
call %o0 ! Get us out of here...
nop ! Apparently Solaris is better.
/* Ok, now we continue in the .data/.text sections */
.data
.align 4
/*
* Fill up the prom vector, note in particular the kind first element,
* no joke. I don't need all of them in here as the entire prom vector
* gets initialized in c-code so all routines can use it.
*/
prom_vector_p:
.word 0
/* We calculate the following at boot time, window fills/spills and trap entry
* code uses these to keep track of the register windows.
*/
.align 4
.globl nwindows
.globl nwindowsm1
nwindows:
.word 8
nwindowsm1:
.word 7
/* Boot time debugger vector value. We need this later on. */
.align 4
.globl linux_dbvec
linux_dbvec:
.word 0
.word 0
.align 8
.globl lvl14_save
lvl14_save:
.word 0
.word 0
.word 0
.word 0
.word t_irq14
.section ".fixup",#alloc,#execinstr
.globl __ret_efault
__ret_efault:
ret
restore %g0, -EFAULT, %o0
|
