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1 /*
2 * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28 /*
29 * @OSF_FREE_COPYRIGHT@
30 */
31 /*
32 * @APPLE_FREE_COPYRIGHT@
33 */
34
35 /*
36 * Author: Bill Angell, Apple
37 * Date: 6/97
38 *
39 * exceptions and certain C functions write into a trace table which
40 * can be examined via the machine 'lt' command under kdb
41 */
42
43
44 #include <string.h> /* For strcpy() */
45 #include <mach/boolean.h>
46 #include <machine/db_machdep.h>
47
48 #include <ddb/db_access.h>
49 #include <ddb/db_lex.h>
50 #include <ddb/db_output.h>
51 #include <ddb/db_command.h>
52 #include <ddb/db_sym.h>
53 #include <ddb/db_task_thread.h>
54 #include <ddb/db_command.h> /* For db_option() */
55 #include <ddb/db_examine.h>
56 #include <ddb/db_expr.h>
57 #include <kern/thread.h>
58 #include <kern/task.h>
59 #include <mach/vm_param.h>
60 #include <mach/kmod.h>
61 #include <ppc/Firmware.h>
62 #include <ppc/low_trace.h>
63 #include <ppc/db_low_trace.h>
64 #include <ppc/mappings.h>
65 #include <ppc/pmap.h>
66 #include <ppc/mem.h>
67 #include <ppc/savearea.h>
68 #include <ppc/vmachmon.h>
69
70 void db_dumppca(unsigned int ptegindex);
71 void db_dumpmapping(struct mapping *mp); /* Dump out a mapping */
72 extern kmod_info_t *kmod; /* Find the kmods */
73
74 db_addr_t db_low_trace_prev = 0;
75
76 /*
77 * Print out the low level trace table:
78 *
79 * Displays the entry and 15 before it in newest to oldest order
80 *
81 * lt [entaddr]
82
83 * If entaddr is omitted, it starts with the most current
84 * If entaddr = 0, it starts with the most current and does the whole table
85 */
86 void db_low_trace(db_expr_t addr, int have_addr, db_expr_t count, char * modif) {
87
88 int c, i;
89 unsigned int tempx, cnt;
90 unsigned int xTraceCurr, xTraceStart, xTraceEnd, cxltr;
91 db_addr_t next_addr;
92 LowTraceRecord xltr;
93 unsigned char cmark;
94 addr64_t xxltr;
95
96 cnt = 16; /* Default to 16 entries */
97
98 xTraceCurr = trcWork.traceCurr; /* Transfer current pointer */
99 xTraceStart = trcWork.traceStart; /* Transfer start of table */
100 xTraceEnd = trcWork.traceEnd; /* Transfer end of table */
101
102 if(addr == -1) cnt = 0x7FFFFFFF; /* Max the count */
103
104 if(!addr || (addr == -1)) {
105 addr=xTraceCurr-sizeof(LowTraceRecord); /* Start at the newest */
106 if((unsigned int)addr<xTraceStart) addr=xTraceEnd-sizeof(LowTraceRecord); /* Wrap low back to high */
107 }
108
109 if((unsigned int)addr<xTraceStart||(unsigned int)addr>=xTraceEnd) { /* In the table? */
110 db_printf("address not in low memory trace table\n"); /* Tell the fool */
111 return; /* Leave... */
112 }
113
114 if((unsigned int)addr&0x0000007F) { /* Proper alignment? */
115 db_printf("address not aligned on trace entry boundary (0x80)\n"); /* Tell 'em */
116 return; /* Leave... */
117 }
118
119 xxltr = addr; /* Set the start */
120 cxltr = ((xTraceCurr == xTraceStart ? xTraceEnd : xTraceCurr) - sizeof(LowTraceRecord)); /* Get address of newest entry */
121
122 db_low_trace_prev = addr; /* Starting point */
123
124 for(i=0; i < cnt; i++) { /* Dump the 16 (or all) entries */
125
126 ReadReal((addr64_t)xxltr, (unsigned int *)&xltr); /* Get the first half */
127 ReadReal((addr64_t)xxltr + 32, &(((unsigned int *)&xltr)[8])); /* Get the second half */
128 ReadReal((addr64_t)xxltr + 64, &(((unsigned int *)&xltr)[16])); /* Get the second half */
129 ReadReal((addr64_t)xxltr + 96, &(((unsigned int *)&xltr)[24])); /* Get the second half */
130
131 db_printf("\n%s%08llX %1X %08X %08X - %04X", (xxltr != cxltr ? " " : "*"),
132 xxltr,
133 (xltr.LTR_cpu & 0xFF), xltr.LTR_timeHi, xltr.LTR_timeLo,
134 (xltr.LTR_excpt & 0x8000 ? 0xFFFF : xltr.LTR_excpt * 64)); /* Print the first line */
135
136 if(xltr.LTR_cpu & 0xFF00) db_printf(", sflgs = %02X\n", ((xltr.LTR_cpu >> 8) & 0xFF));
137 else db_printf("\n");
138
139 db_printf(" DAR/DSR/CR: %016llX %08X %08X\n", xltr.LTR_dar, xltr.LTR_dsisr, xltr.LTR_cr);
140
141 db_printf(" SRR0/SRR1 %016llX %016llX\n", xltr.LTR_srr0, xltr.LTR_srr1);
142 db_printf(" LR/CTR %016llX %016llX\n", xltr.LTR_lr, xltr.LTR_ctr);
143
144 db_printf(" R0/R1/R2 %016llX %016llX %016llX\n", xltr.LTR_r0, xltr.LTR_r1, xltr.LTR_r2);
145 db_printf(" R3/R4/R5 %016llX %016llX %016llX\n", xltr.LTR_r3, xltr.LTR_r4, xltr.LTR_r5);
146 db_printf(" R6/sv/rsv %016llX %016llX %08X\n", xltr.LTR_r6, xltr.LTR_save, xltr.LTR_rsvd0);
147
148 if((cnt != 16) && (xxltr == xTraceCurr)) break; /* If whole table dump, exit when we hit start again... */
149
150 xxltr-=sizeof(LowTraceRecord); /* Back it on up */
151 if(xxltr<xTraceStart)
152 xxltr=(xTraceEnd-sizeof(LowTraceRecord)); /* Wrap low back to high */
153
154 }
155 db_next = (db_expr_t)(xxltr);
156 return;
157 }
158
159
160 /*
161 * Print out 256 bytes
162 *
163 *
164 * dl [entaddr]
165 */
166 void db_display_long(db_expr_t addr, int have_addr, db_expr_t count, char * modif) {
167
168 int i;
169
170 for(i=0; i<8; i++) { /* Print 256 bytes */
171 db_printf("%016llX %08X %08X %08X %08X %08X %08X %08X %08X\n", addr, /* Print a line */
172 ((unsigned long *)addr)[0], ((unsigned long *)addr)[1], ((unsigned long *)addr)[2], ((unsigned long *)addr)[3],
173 ((unsigned long *)addr)[4], ((unsigned long *)addr)[5], ((unsigned long *)addr)[6], ((unsigned long *)addr)[7]);
174 addr=(db_expr_t)(addr+0x00000020); /* Point to next address */
175 }
176 db_next = addr;
177
178
179 }
180
181 unsigned char xtran[256] = {
182 /* x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xA xB xC xD xE xF */
183 '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', /* 0x */
184 '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', /* 1x */
185 ' ', '!', '"', '#', '$', '%', '&',0x27, '(', ')', '*', '+', ',', '-', '.', '/', /* 2x */
186 '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', '<', '=', '>', '?', /* 3x */
187 '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', /* 4x */
188 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '[',0x5C, ']', '^', '_', /* 5x */
189 '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', /* 6x */
190 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '{', '|', '}', '~', '.', /* 7x */
191 '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', /* 8x */
192 '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', /* 9x */
193 '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', /* Ax */
194 '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', /* Bx */
195 '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', /* Cx */
196 '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', /* Dx */
197 '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', /* Ex */
198 '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', /* Fx */
199 };
200
201 /*
202 * Print out 256 bytes in characters
203 *
204 *
205 * dc [entaddr]
206 */
207 void db_display_char(db_expr_t addr, int have_addr, db_expr_t count, char * modif) {
208
209 int i, j, k;
210 unsigned char xlt[256], *xaddr;
211
212 xaddr = (unsigned char *)addr;
213
214
215 for(i = 0; i < 8; i++) { /* Print 256 bytes */
216 j = 0;
217 for(k = 0; k < 32; k++) {
218 xlt[j] = xtran[*xaddr];
219 xaddr++;
220 j++;
221 if((k & 3) == 3) {
222 xlt[j] = ' ';
223 j++;
224 }
225 }
226 xlt[j] = 0;
227
228 db_printf("%016llX %s\n", (addr64_t)(xaddr - 32), xlt); /* Print a line */
229 }
230
231 db_next = (db_expr_t)xaddr;
232
233
234 }
235
236 /*
237 * Print out 256 bytes of real storage
238 *
239 * Displays the entry and 15 before it in newest to oldest order
240 *
241 * dr [entaddr]
242 */
243 void db_display_real(db_expr_t addr, int have_addr, db_expr_t count, char * modif) {
244
245 int i;
246 unsigned int xbuf[8];
247
248 for(i=0; i<8; i++) { /* Print 256 bytes */
249 ReadReal(addr, &xbuf[0]); /* Get the real storage data */
250 db_printf("%016llX %08X %08X %08X %08X %08X %08X %08X %08X\n", addr, /* Print a line */
251 xbuf[0], xbuf[1], xbuf[2], xbuf[3],
252 xbuf[4], xbuf[5], xbuf[6], xbuf[7]);
253 addr = addr + 0x00000020; /* Point to next address */
254 }
255 db_next = addr;
256 }
257
258 unsigned int dvspace = 0;
259
260 /*
261 * Print out virtual to real translation information
262 *
263 *
264 * dm vaddr [space] (defaults to last entered)
265 */
266 void db_display_mappings(db_expr_t addr, int have_addr, db_expr_t count, char * modif) {
267
268 db_expr_t xspace;
269 pmap_t pmap;
270 addr64_t lnextva;
271
272 mapping_t *mp;
273
274 if (db_expression(&xspace)) { /* Get the address space requested */
275 if(xspace >= maxAdrSp) {
276 db_printf("requested address space (%llX) larger than max (%X)\n", xspace, maxAdrSp - 1);
277 return;
278 }
279 dvspace = xspace; /* Get the space or set default */
280 }
281
282 db_printf("mapping information for %016llX in space %8X:\n", addr, dvspace);
283
284 pmap = pmapTrans[dvspace].pmapVAddr; /* Find the pmap address */
285 if(!pmap) { /* The pmap is not in use */
286 db_printf("The space %X is not assigned to a pmap\n", dvspace); /* Say we are wrong */
287 return;
288 }
289
290 mp = hw_find_map(pmap, (addr64_t)addr, &lnextva); /* Try to find the mapping for this address */
291 if((unsigned int)mp == mapRtBadLk) { /* Did we lock up ok? */
292 db_printf("Timeout locking physical entry for virtual address %016ll8X\n", addr);
293 return;
294 }
295
296 if(!mp) { /* Did we find one? */
297 db_printf("Not mapped\n");
298 return; /* Didn't find any, return FALSE... */
299 }
300
301 mapping_drop_busy(mp); /* The mapping shouldn't be changing */
302
303 db_dumpmapping(mp); /* Dump it all out */
304
305 return; /* Tell them we did it */
306
307
308 }
309
310 /*
311 * Print out hash table data
312 *
313 *
314 * dh vaddr [space] (defaults to last entered)
315 */
316 void db_display_hash(db_expr_t addr, int have_addr, db_expr_t count, char * modif) {
317
318 db_expr_t xspace;
319 unsigned int seg, vsid, ptegindex, htsize;
320 pmap_t pmap;
321 addr64_t lnextva, llva, vpn, esid;
322 uint64_t hash;
323 int s4bit;
324
325 llva = (addr64_t)((unsigned int)addr); /* Make sure we are 64-bit now */
326
327 s4bit = !((PerProcTable[0].ppe_vaddr->pf.Available & pf64Bit) == 0); /* Are we a big guy? */
328 if (db_expression(&xspace)) { /* Get the address space requested */
329 if(xspace >= maxAdrSp) {
330 db_printf("requested address space (%llX) larger than max (%X)\n", xspace, maxAdrSp - 1);
331 return;
332 }
333 dvspace = xspace; /* Get the space or set default */
334 }
335
336 pmap = pmapTrans[dvspace].pmapVAddr; /* Find the pmap address */
337 if(!pmap) { /* The pmap is not in use */
338 db_printf("The space %X is not assigned to a pmap\n", dvspace); /* Say we are wrong */
339 return;
340 }
341
342 hash = (uint64_t)pmap->space | ((uint64_t)pmap->space << maxAdrSpb) | ((uint64_t)pmap->space << (2 * maxAdrSpb)); /* Get hash value */
343 hash = hash & 0x0000001FFFFFFFFF; /* Make sure we stay within supported ranges */
344
345 esid = ((llva >> 14) & -maxAdrSp) ^ hash; /* Get ESID */
346 llva = ((llva >> 12) & 0xFFFF) ^ esid; /* Get index into hash table */
347
348 if(s4bit) htsize = hash_table_size >> 7; /* Get number of entries in hash table for 64-bit */
349 else htsize = hash_table_size >> 6; /* get number of entries in hash table for 32-bit */
350
351 ptegindex = llva & (htsize - 1); /* Get the index to the pteg and pca */
352 db_dumppca(ptegindex); /* dump the info */
353
354 return; /* Tell them we did it */
355
356
357 }
358
359 /*
360 * Displays all of the in-use pmaps in the system.
361 *
362 * dp
363 */
364 void db_display_pmap(db_expr_t addr, int have_addr, db_expr_t count, char * modif) {
365
366 pmap_t pmap;
367 int i;
368 unsigned int v0, v1, st0, st1;
369
370 pmap = (pmap_t)addr;
371 if(!have_addr) pmap = kernel_pmap; /* Start at the beginning */
372
373 db_printf("PMAP (real) Next Prev Space Flags Ref spaceNum Resident Wired\n");
374 // xxxxxxxx rrrrrrrrrrrrrrrr xxxxxxxx pppppppp ssssssss cccccccc vvvvvvvv nnnnnnnn rrrrrrrr wwwwwwwww
375 while(1) { /* Do them all */
376 db_printf("%08X %016llX %08X %08X %08X %08X %08X %08X %08X %08X\n",
377 pmap, (addr64_t)pmap ^ pmap->pmapvr,
378 pmap->pmap_link.next, pmap->pmap_link.prev,
379 pmap->space, pmap->pmapFlags, pmap->ref_count, pmap->spaceNum,
380 pmap->stats.resident_count,
381 pmap->stats.wired_count);
382
383 db_printf("lists = %d, rand = %08X, visits = %016llX, searches = %08X\n",
384 pmap->pmapCurLists, pmap->pmapRandNum,
385 pmap->pmapSearchVisits, pmap->pmapSearchCnt);
386
387 db_printf("cctl = %08X, SCSubTag = %016llX\n",
388 pmap->pmapCCtl, pmap->pmapSCSubTag);
389
390 for(i = 0; i < 16; i +=2) {
391 v0 = (pmap->pmapCCtl >> (31 - i) & 1); /* Get high order bit */
392 v1 = (pmap->pmapCCtl >> (30 - i) & 1); /* Get high order bit */
393 st0 = (pmap->pmapSCSubTag >> (60 - (4 * i))) & 0xF; /* Get the sub-tag */
394 st1 = (pmap->pmapSCSubTag >> (56 - (4 * i))) & 0xF; /* Get the sub-tag */
395
396 db_printf(" %01X %01X %016llX/%016llX %01X %01X %016llX/%016llX\n",
397 v0, st0, pmap->pmapSegCache[i].sgcESID, pmap->pmapSegCache[i].sgcVSID,
398 v1, st1, pmap->pmapSegCache[i+1].sgcESID, pmap->pmapSegCache[i+1].sgcVSID);
399 }
400
401 db_printf("\n");
402 if(have_addr) break; /* Do only one if address supplied */
403 pmap = (pmap_t)pmap->pmap_link.next; /* Skip to the next */
404 if(pmap == kernel_pmap) break; /* We've wrapped, we're done */
405 }
406 return;
407 }
408
409
410 /*
411 * Checks the pmap skip lists
412 *
413 *
414 * cp pmap
415 */
416 void db_check_pmaps(db_expr_t addr, int have_addr, db_expr_t count, char * modif) {
417
418 int i;
419 unsigned int ret;
420 uint64_t dumpa[32];
421 pmap_t pmap;
422
423 pmap = (pmap_t)addr;
424 if(!have_addr) pmap = kernel_pmap; /* If no map supplied, start with kernel */
425
426 while(1) { /* Do them all */
427 ret = mapSkipListVerifyC(pmap, &dumpa); /* Check out the map */
428 if(!ret) db_printf("Skiplists verified ok, pmap = %08X\n", pmap);
429 else {
430 db_printf("Verification failure at %08X, pmap = %08X\n", ret, pmap);
431 for(i = 0; i < 32; i += 4) {
432 db_printf("R%02d %016llX %016llX %016llX %016llX\n", i,
433 dumpa[i], dumpa[i + 1], dumpa[i + 2], dumpa[i + 3]);
434 }
435 }
436 if(have_addr) break; /* Do only one if address supplied */
437 pmap = (pmap_t)pmap->pmap_link.next; /* Skip to the next */
438 if(pmap == kernel_pmap) break; /* We've wrapped, we're done */
439 }
440
441 return;
442
443 }
444
445
446 /*
447 * Displays iokit junk
448 *
449 * di
450 */
451
452 void db_piokjunk(void);
453
454 void db_display_iokit(db_expr_t addr, int have_addr, db_expr_t count, char * modif) {
455
456 db_piokjunk();
457
458 return;
459 }
460
461 /*
462 * Prints out a mapping control block
463 *
464 */
465
466 void db_dumpmapping(struct mapping *mp) { /* Dump out a mapping */
467
468 pmap_t pmap;
469 int i;
470
471 db_printf("Dump of mapping block: %08X, pmap: %08X (%016llX)\n", mp, pmapTrans[mp->mpSpace].pmapVAddr,
472 pmapTrans[mp->mpSpace].pmapPAddr); /* Header */
473 db_printf(" mpFlags: %08X\n", mp->mpFlags);
474 db_printf(" mpSpace: %04X\n", mp->mpSpace);
475 db_printf(" mpBSize: %04X\n", mp->u.mpBSize);
476 db_printf(" mpPte: %08X\n", mp->mpPte);
477 db_printf(" mpPAddr: %08X\n", mp->mpPAddr);
478 db_printf(" mpVAddr: %016llX\n", mp->mpVAddr);
479 db_printf(" mpAlias: %016llX\n", mp->mpAlias);
480 db_printf(" mpList00: %016llX\n", mp->mpList0);
481
482 for(i = 1; i < (mp->mpFlags & mpLists); i++) { /* Dump out secondary physical skip lists */
483 db_printf(" mpList%02d: %016llX\n", i, mp->mpList[i - 1]);
484 }
485
486 return;
487 }
488
489 /*
490 * Prints out a PTEG and PCA
491 *
492 */
493
494 void db_dumppca(unsigned int ptegindex) {
495
496 addr64_t pteg, pca, llva;
497 unsigned int xpteg[32], xpca[8], space, hash, pva, seg, api, va;
498 int i, s4bit;
499 unsigned long long llslot, llseg, llhash;
500
501 s4bit = !((PerProcTable[0].ppe_vaddr->pf.Available & pf64Bit) == 0); /* Are we a big guy? */
502
503 pteg = hash_table_base + (ptegindex << 6); /* Point to the PTEG */
504 if(s4bit) pteg = hash_table_base + (ptegindex << 7); /* Point to the PTEG */
505 pca = hash_table_base - ((ptegindex + 1) * 4); /* Point to the PCA */
506 db_printf("PTEG = %016llX, PCA = %016llX (index = %08X)\n", pteg, pca, ptegindex);
507
508 ReadReal(pteg, &xpteg[0]); /* Get first half of the pteg */
509 ReadReal(pteg + 0x20, &xpteg[8]); /* Get second half of the pteg */
510 ReadReal(pca, &xpca[0]); /* Get pca */
511
512 db_printf("PCA: free = %02X, steal = %02X, auto = %02X, misc = %02X\n",
513 ((xpca[0] >> 24) & 255), ((xpca[0] >> 16) & 255), ((xpca[0] >> 8) & 255), xpca[0] & 255);
514
515 if(!s4bit) { /* Little guy? */
516
517 for(i = 0; i < 16; i += 2) { /* Step through pteg */
518 db_printf("%08X %08X - ", xpteg[i], xpteg[i + 1]); /* Dump the pteg slot */
519
520 if(xpteg[i] & 0x80000000) db_printf(" valid - "); /* Is it valid? */
521 else db_printf("invalid - "); /* Nope, invalid */
522
523 space = (xpteg[i] >> 7) & (maxAdrSp - 1); /* Extract the space */
524 hash = space | (space << maxAdrSpb) | (space << (2 * maxAdrSpb)); /* Get the hash */
525 pva = ptegindex ^ hash; /* Get part of the vaddr */
526 seg = (xpteg[i] >> 7) ^ hash; /* Get the segment number */
527 api = (xpteg[i] & 0x3F); /* Get the API */
528 va = ((seg << (28 - maxAdrSpb)) & 0xF0000000) | (api << 22) | ((pva << 12) & 0x003FF000); /* Get the vaddr */
529 db_printf("va = %08X\n", va);
530 }
531 }
532 else {
533 ReadReal(pteg + 0x40, &xpteg[16]); /* Get third half of the pteg */
534 ReadReal(pteg + 0x60, &xpteg[24]); /* Get fourth half of the pteg */
535
536 for(i = 0; i < 32; i += 4) { /* Step through pteg */
537 db_printf("%08X%08X %08X%08X - ", xpteg[i], xpteg[i + 1], xpteg[i + 2], xpteg[i + 3]); /* Dump the pteg slot */
538
539 if(xpteg[i + 1] & 1) db_printf(" valid - "); /* Is it valid? */
540 else db_printf("invalid - "); /* Nope, invalid */
541
542 llslot = ((long long)xpteg[i] << 32) | (long long)xpteg[i + 1]; /* Make a long long version of this */
543 space = (llslot >> 12) & (maxAdrSp - 1); /* Extract the space */
544 llhash = (unsigned long long)space | ((unsigned long long)space << maxAdrSpb) | ((unsigned long long)space << (2 * maxAdrSpb)); /* Get the hash */
545 llhash = llhash & 0x0000001FFFFFFFFFULL; /* Make sure we stay within supported ranges */
546 pva = (unsigned long long)ptegindex ^ llhash; /* Get part of the vaddr */
547 llseg = (llslot >> 12) ^ llhash; /* Get the segment number */
548 api = (llslot >> 7) & 0x1F; /* Get the API */
549 llva = ((llseg << (28 - maxAdrSpb)) & 0xFFFFFFFFF0000000ULL) | (api << 23) | ((pva << 12) & 0x007FF000); /* Get the vaddr */
550 db_printf("va = %016llX\n", llva);
551 }
552 }
553
554 return;
555 }
556
557
558 /*
559 * Print out 256 bytes of virtual storage
560 *
561 *
562 * dv [entaddr] [space]
563 * address must be on 32-byte boundary. It will be rounded down if not
564 */
565 void db_display_virtual(db_expr_t addr, int have_addr, db_expr_t count, char * modif) {
566
567 int i, size, lines, rlines;
568 unsigned int xbuf[8];
569 db_expr_t xspace;
570 pmap_t pmap;
571
572 mapping_t *mp, *mpv;
573 addr64_t pa;
574 ppnum_t pnum;
575
576 if (db_expression(&xspace)) { /* Parse the space ID */
577 if(xspace >= (1 << maxAdrSpb)) { /* Check if they gave us a sane space number */
578 db_printf("Invalid space ID: %llX - max is %X\n", xspace, (1 << maxAdrSpb) - 1);
579 return;
580 }
581 dvspace = xspace; /* Get the space or set default */
582 }
583
584 pmap = (pmap_t)pmapTrans[dvspace].pmapVAddr; /* Find the pmap address */
585 if((unsigned int)pmap == 0) { /* Is there actually a pmap here? */
586 db_printf("Address space not found: %X\n", dvspace); /* Complain */
587 return;
588 }
589
590 addr &= -32;
591
592 size = 4096 - (addr & 0x00000FFF); /* Bytes left on page */
593 lines = size / 32; /* Number of lines in first or only part */
594 if(lines > 8) lines = 8;
595 rlines = 8 - lines;
596 if(rlines < 0) lines = 0;
597
598 db_printf("Dumping %016llX (pmap = %08X, space = %X); ", addr, pmap, dvspace);
599
600 pnum = pmap_find_phys(pmap, (addr64_t)addr); /* Phynd the Physical */
601 if(!pnum) { /* Did we find one? */
602 db_printf("Not mapped\n");
603 return; /* Didn't find any, return FALSE... */
604 }
605
606 pa = (addr64_t)(pnum << 12) | (addr64_t)(addr & 0xFFF); /* Get the physical address */
607 db_printf("phys = %016llX\n", pa);
608
609 for(i=0; i<lines; i++) { /* Print n bytes */
610 ReadReal(pa, &xbuf[0]); /* Get the real storage data */
611 db_printf("%016llX %08X %08X %08X %08X %08X %08X %08X %08X\n", addr, /* Print a line */
612 xbuf[0], xbuf[1], xbuf[2], xbuf[3],
613 xbuf[4], xbuf[5], xbuf[6], xbuf[7]);
614 addr = (db_expr_t)(addr + 0x00000020); /* Point to next address */
615 pa = pa + 0x00000020; /* Point to next address */
616 }
617 db_next = addr;
618
619 if(!rlines) return;
620
621 db_printf("Dumping %016llX (pmap = %08X, space = %X); ", addr, pmap, dvspace);
622
623 pnum = pmap_find_phys(pmap, (addr64_t)((unsigned int)addr)); /* Phynd the Physical */
624 if(!pnum) { /* Did we find one? */
625 db_printf("Not mapped\n");
626 return; /* Didn't find any, return FALSE... */
627 }
628
629 pa = (addr64_t)(pnum << 12) | (addr64_t)((unsigned int)addr & 0xFFF); /* Get the physical address */
630 db_printf("phys = %016llX\n", pa);
631
632 for(i=0; i<rlines; i++) { /* Print n bytes */
633 ReadReal(pa, &xbuf[0]); /* Get the real storage data */
634 db_printf("%016llX %08X %08X %08X %08X %08X %08X %08X %08X\n", addr, /* Print a line */
635 xbuf[0], xbuf[1], xbuf[2], xbuf[3],
636 xbuf[4], xbuf[5], xbuf[6], xbuf[7]);
637 addr = (db_expr_t)(addr + 0x00000020); /* Point to next address */
638 pa = pa + 0x00000020; /* Point to next address */
639 }
640 db_next = addr;
641
642
643 }
644
645
646 /*
647 * Print out savearea stuff
648 *
649 *
650 * ds
651 */
652
653 #define chainmax 32
654
655 void db_display_save(db_expr_t addr, int have_addr, db_expr_t count, char * modif) {
656
657 int i, j, totsaves, tottasks, taskact, chainsize, vmid, didvmhead;
658 processor_set_t pset = &default_pset;
659 task_t task;
660 thread_act_t act;
661 savearea *save;
662 vmmCntrlTable *CTable;
663
664 tottasks = 0;
665 totsaves = 0;
666
667 for(task = (task_t)pset->tasks.next; task != (task_t)&pset->tasks.next; task = (task_t)task->pset_tasks.next) { /* Go through the tasks */
668 taskact = 0; /* Reset activation count */
669 db_printf("\nTask %4d @%08X:\n", tottasks, task); /* Show where we're at */
670 for(act = (thread_act_t)task->threads.next; act != (thread_act_t)&task->threads; act = (thread_act_t)act->task_threads.next) { /* Go through activations */
671 db_printf(" Act %4d @%08X - p: %08X current context: %08X\n",
672 taskact, act, act->machine.pcb, act->machine.curctx);
673
674 save = (savearea *)act->machine.pcb; /* Set the start of the normal chain */
675 chainsize = 0;
676
677 db_printf(" General context - fp: %08X fl: %08X fc: %d vp: %08X vl: %08X vp: %d\n",
678 act->machine.facctx.FPUsave, act->machine.facctx.FPUlevel, act->machine.facctx.FPUcpu,
679 act->machine.facctx.VMXsave, act->machine.facctx.VMXlevel, act->machine.facctx.VMXcpu);
680
681 while(save) { /* Do them all */
682 totsaves++; /* Count savearea */
683 db_printf(" Norm %08X: %016llX %016llX - tot = %d\n", save, save->save_srr0, save->save_srr1, totsaves);
684 save = (savearea *)save->save_hdr.save_prev; /* Next one */
685 if(chainsize++ > chainmax) { /* See if we might be in a loop */
686 db_printf(" Chain terminated by count (%d) before %08X\n", chainmax, save);
687 break;
688 }
689 }
690
691 save = (savearea *)act->machine.facctx.FPUsave; /* Set the start of the floating point chain */
692 chainsize = 0;
693 while(save) { /* Do them all */
694 totsaves++; /* Count savearea */
695 db_printf(" FPU %08X: %08X - tot = %d\n", save, save->save_hdr.save_level, totsaves);
696 save = (savearea *)save->save_hdr.save_prev; /* Next one */
697 if(chainsize++ > chainmax) { /* See if we might be in a loop */
698 db_printf(" Chain terminated by count (%d) before %08X\n", chainmax, save);
699 break;
700 }
701 }
702
703 save = (savearea *)act->machine.facctx.VMXsave; /* Set the start of the floating point chain */
704 chainsize = 0;
705 while(save) { /* Do them all */
706 totsaves++; /* Count savearea */
707 db_printf(" Vec %08X: %08X - tot = %d\n", save, save->save_hdr.save_level, totsaves);
708 save = (savearea *)save->save_hdr.save_prev; /* Next one */
709 if(chainsize++ > chainmax) { /* See if we might be in a loop */
710 db_printf(" Chain terminated by count (%d) before %08X\n", chainmax, save);
711 break;
712 }
713 }
714
715 if(CTable = act->machine.vmmControl) { /* Are there virtual machines? */
716
717 for(vmid = 0; vmid < kVmmMaxContexts; vmid++) {
718
719 if(!(CTable->vmmc[vmid].vmmFlags & vmmInUse)) continue; /* Skip if vm is not in use */
720
721 if(!CTable->vmmc[vmid].vmmFacCtx.FPUsave && !CTable->vmmc[vmid].vmmFacCtx.VMXsave) continue; /* If neither types, skip this vm */
722
723 db_printf(" VMachine ID %3d - fp: %08X fl: %08X fc: %d vp: %08X vl: %08X vp: %d\n", vmid, /* Title it */
724 CTable->vmmc[vmid].vmmFacCtx.FPUsave, CTable->vmmc[vmid].vmmFacCtx.FPUlevel, CTable->vmmc[vmid].vmmFacCtx.FPUcpu,
725 CTable->vmmc[vmid].vmmFacCtx.VMXsave, CTable->vmmc[vmid].vmmFacCtx.VMXlevel, CTable->vmmc[vmid].vmmFacCtx.VMXcpu
726 );
727
728 save = (savearea *)CTable->vmmc[vmid].vmmFacCtx.FPUsave; /* Set the start of the floating point chain */
729 chainsize = 0;
730 while(save) { /* Do them all */
731 totsaves++; /* Count savearea */
732 db_printf(" FPU %08X: %08X - tot = %d\n", save, save->save_hdr.save_level, totsaves);
733 save = (savearea *)save->save_hdr.save_prev; /* Next one */
734 if(chainsize++ > chainmax) { /* See if we might be in a loop */
735 db_printf(" Chain terminated by count (%d) before %08X\n", chainmax, save);
736 break;
737 }
738 }
739
740 save = (savearea *)CTable->vmmc[vmid].vmmFacCtx.VMXsave; /* Set the start of the floating point chain */
741 chainsize = 0;
742 while(save) { /* Do them all */
743 totsaves++; /* Count savearea */
744 db_printf(" Vec %08X: %08X - tot = %d\n", save, save->save_hdr.save_level, totsaves);
745 save = (savearea *)save->save_hdr.save_prev; /* Next one */
746 if(chainsize++ > chainmax) { /* See if we might be in a loop */
747 db_printf(" Chain terminated by count (%d) before %08X\n", chainmax, save);
748 break;
749 }
750 }
751 }
752 }
753 taskact++;
754 }
755 tottasks++;
756 }
757
758 db_printf("Total saveareas accounted for: %d\n", totsaves);
759 return;
760 }
761
762 /*
763 * Print out extra registers
764 *
765 *
766 * dx
767 */
768
769 extern unsigned int dbfloats[33][2];
770 extern unsigned int dbvecs[33][4];
771 extern unsigned int dbspecrs[336];
772
773 void db_display_xregs(db_expr_t addr, int have_addr, db_expr_t count, char * modif) {
774
775 int i, j, pents;
776
777 stSpecrs(dbspecrs); /* Save special registers */
778 if(PerProcTable[0].ppe_vaddr->pf.Available & pf64Bit) {
779 db_printf("PIR: %08X\n", dbspecrs[0]);
780 db_printf("PVR: %08X\n", dbspecrs[1]);
781 db_printf("SDR1: %08X.%08X\n", dbspecrs[26], dbspecrs[27]);
782 db_printf("HID0: %08X.%08X\n", dbspecrs[28], dbspecrs[29]);
783 db_printf("HID1: %08X.%08X\n", dbspecrs[30], dbspecrs[31]);
784 db_printf("HID4: %08X.%08X\n", dbspecrs[32], dbspecrs[33]);
785 db_printf("HID5: %08X.%08X\n", dbspecrs[34], dbspecrs[35]);
786 db_printf("SPRG0: %08X.%08X %08X.%08X\n", dbspecrs[18], dbspecrs[19], dbspecrs[20], dbspecrs[21]);
787 db_printf("SPRG2: %08X.%08X %08X.%08X\n", dbspecrs[22], dbspecrs[23], dbspecrs[24], dbspecrs[25]);
788 db_printf("\n");
789 for(i = 0; i < (64 * 4); i += 4) {
790 db_printf("SLB %02d: %08X.%08X %08X.%08X\n", i / 4, dbspecrs[80 + i], dbspecrs[81 + i], dbspecrs[82 + i], dbspecrs[83 + i]);
791 }
792 }
793 else {
794 db_printf("PIR: %08X\n", dbspecrs[0]);
795 db_printf("PVR: %08X\n", dbspecrs[1]);
796 db_printf("SDR1: %08X\n", dbspecrs[22]);
797 db_printf("HID0: %08X\n", dbspecrs[39]);
798 db_printf("HID1: %08X\n", dbspecrs[40]);
799 db_printf("L2CR: %08X\n", dbspecrs[41]);
800 db_printf("MSSCR0: %08X\n", dbspecrs[42]);
801 db_printf("MSSCR1: %08X\n", dbspecrs[43]);
802 db_printf("THRM1: %08X\n", dbspecrs[44]);
803 db_printf("THRM2: %08X\n", dbspecrs[45]);
804 db_printf("THRM3: %08X\n", dbspecrs[46]);
805 db_printf("ICTC: %08X\n", dbspecrs[47]);
806 db_printf("L2CR2: %08X\n", dbspecrs[48]);
807 db_printf("DABR: %08X\n", dbspecrs[49]);
808
809 db_printf("DBAT: %08X %08X %08X %08X\n", dbspecrs[2], dbspecrs[3], dbspecrs[4], dbspecrs[5]);
810 db_printf(" %08X %08X %08X %08X\n", dbspecrs[6], dbspecrs[7], dbspecrs[8], dbspecrs[9]);
811 db_printf("IBAT: %08X %08X %08X %08X\n", dbspecrs[10], dbspecrs[11], dbspecrs[12], dbspecrs[13]);
812 db_printf(" %08X %08X %08X %08X\n", dbspecrs[14], dbspecrs[15], dbspecrs[16], dbspecrs[17]);
813 db_printf("SPRG: %08X %08X %08X %08X\n", dbspecrs[18], dbspecrs[19], dbspecrs[20], dbspecrs[21]);
814 db_printf("\n");
815 for(i = 0; i < 16; i += 8) { /* Print 8 at a time */
816 db_printf("SR%02d: %08X %08X %08X %08X %08X %08X %08X %08X\n", i,
817 dbspecrs[23+i], dbspecrs[24+i], dbspecrs[25+i], dbspecrs[26+i],
818 dbspecrs[27+i], dbspecrs[28+i], dbspecrs[29+i], dbspecrs[30+i]);
819 }
820 }
821
822 db_printf("\n");
823
824 stFloat(dbfloats); /* Save floating point registers */
825 for(i = 0; i < 32; i += 4) { /* Print 4 at a time */
826 db_printf("F%02d: %08X %08X %08X %08X %08X %08X %08X %08X\n", i,
827 dbfloats[i][0], dbfloats[i][1], dbfloats[i+1][0], dbfloats[i+1][1],
828 dbfloats[i+2][0], dbfloats[i+2][1], dbfloats[i+3][0], dbfloats[i+3][1]);
829 }
830 db_printf("FCR: %08X %08X\n", dbfloats[32][0], dbfloats[32][1]); /* Print FSCR */
831
832 if(!stVectors(dbvecs)) return; /* Return if not Altivec capable */
833
834 db_printf("\n");
835
836 for(i = 0; i < 32; i += 2) { /* Print 2 at a time */
837 db_printf("V%02d: %08X %08X %08X %08X %08X %08X %08X %08X\n", i,
838 dbvecs[i][0], dbvecs[i][1], dbvecs[i][2], dbvecs[i][3],
839 dbvecs[i+1][0], dbvecs[i+1][1], dbvecs[i+1][2], dbvecs[i+1][3]);
840 }
841 db_printf("VCR: %08X %08X %08X %08X\n", dbvecs[32][0], dbvecs[32][1], dbvecs[32][2], dbvecs[32][3]); /* Print VSCR */
842
843 return; /* Tell them we did it */
844
845
846 }
847
848 /*
849 * Check check mappings and hash table for consistency
850 *
851 * cm
852 */
853 void db_check_mappings(db_expr_t addr, int have_addr, db_expr_t count, char * modif) {
854
855 addr64_t pteg, pca, llva, lnextva;
856 unsigned int xpteg[32], xpca[8], space, hash, pva, seg, api, va, free, free2, xauto, PTEGcnt, wimgkk, wimgxx, slotoff;
857 int i, j, fnderr, slot, slot2, k, s4bit;
858 pmap_t pmap;
859 mapping_t *mp;
860 ppnum_t ppn, pa, aoff;
861 unsigned long long llslot, llseg, llhash;
862
863 s4bit = 0; /* Assume dinky? */
864 if(PerProcTable[0].ppe_vaddr->pf.Available & pf64Bit) s4bit = 1; /* Are we a big guy? */
865
866 PTEGcnt = hash_table_size / 64; /* Get the number of PTEGS */
867 if(s4bit) PTEGcnt = PTEGcnt / 2; /* PTEGs are twice as big */
868
869 pteg = hash_table_base; /* Start of hash table */
870 pca = hash_table_base - 4; /* Start of PCA */
871
872 for(i = 0; i < PTEGcnt; i++) { /* Step through them all */
873
874 fnderr = 0;
875
876 ReadReal(pteg, &xpteg[0]); /* Get first half of the pteg */
877 ReadReal(pteg + 0x20, &xpteg[8]); /* Get second half of the pteg */
878 if(s4bit) { /* See if we need the other half */
879 ReadReal(pteg + 0x40, &xpteg[16]); /* Get third half of the pteg */
880 ReadReal(pteg + 0x60, &xpteg[24]); /* Get fourth half of the pteg */
881 }
882 ReadReal(pca, &xpca[0]); /* Get pca */
883
884 if(xpca[0] & 0x00000001) { /* Is PCA locked? */
885 db_printf("Unexpected locked PCA\n"); /* Yeah, this may be bad */
886 fnderr = 1; /* Remember to print the pca/pteg pair later */
887 }
888
889 free = 0x80000000;
890
891 for(j = 0; j < 7; j++) { /* Search for duplicates */
892 slot = j * 2; /* Point to the slot */
893 if(s4bit) slot = slot * 2; /* Adjust for bigger slots */
894 if(!(xpca[0] & free)) { /* Check more if slot is allocated */
895 for(k = j + 1; k < 8; k++) { /* Search remaining slots */
896 slot2 = k * 2; /* Point to the slot */
897 if(s4bit) slot2 = slot2 * 2; /* Adjust for bigger slots */
898 if((xpteg[slot] == xpteg[slot2])
899 && (!s4bit || (xpteg[slot + 1] == xpteg[slot2 + 1]))) { /* Do we have duplicates? */
900 db_printf("Duplicate tags in pteg, slot %d and slot %d\n", j, k);
901 fnderr = 1;
902 }
903 }
904 }
905 free = free >> 1; /* Move slot over */
906 }
907
908 free = 0x80000000;
909 xauto = 0x00008000;
910
911 for(j = 0; j < 8; j++) { /* Step through the slots */
912
913 slot = j * 2; /* Point to the slot */
914 if(s4bit) slot = slot * 2; /* Hagfish? */
915 if(xpca[0] & free) { /* Check if marked free */
916 if((!s4bit && (xpteg[slot] & 0x80000000)) /* Is a supposedly free slot valid? */
917 || (s4bit && (xpteg[slot + 1] & 1))) {
918 db_printf("Free slot still valid - %d\n", j);
919 fnderr = 1;
920 }
921 }
922 else { /* We have an in use slot here */
923
924 if(!(!s4bit && (xpteg[slot] & 0x80000000)) /* Is a supposedly in use slot valid? */
925 && !(s4bit && (xpteg[slot + 1] & 1))) {
926 db_printf("Inuse slot not valid - %d\n", j);
927 fnderr = 1;
928 }
929 else { /* Slot is valid, check mapping */
930 if(!s4bit) { /* Not Hagfish? */
931 space = (xpteg[slot] >> 7) & (maxAdrSp - 1); /* Extract the space */
932 hash = space | (space << maxAdrSpb) | (space << (2 * maxAdrSpb)); /* Get the hash */
933 pva = i ^ hash; /* Get part of the vaddr */
934 seg = (xpteg[slot] >> 7) ^ hash; /* Get the segment number */
935 api = (xpteg[slot] & 0x3F); /* Get the API */
936 va = ((seg << (28 - maxAdrSpb)) & 0xF0000000) | (api << 22) | ((pva << 12) & 0x003FF000); /* Get the vaddr */
937 llva = (addr64_t)va; /* Make this a long long */
938 wimgxx = xpteg[slot + 1] & 0x7F; /* Get the wimg and pp */
939 ppn = xpteg[slot + 1] >> 12; /* Get physical page number */
940 slotoff = (i * 64) + (j * 8) | 1; /* Get offset to slot and valid bit */
941 }
942 else { /* Yes, Hagfish */
943 llslot = ((long long)xpteg[slot] << 32) | (long long)xpteg[slot + 1]; /* Make a long long version of this */
944 space = (llslot >> 12) & (maxAdrSp - 1); /* Extract the space */
945 llhash = (unsigned long long)space | ((unsigned long long)space << maxAdrSpb) | ((unsigned long long)space << (2 * maxAdrSpb)); /* Get the hash */
946 llhash = llhash & 0x0000001FFFFFFFFFULL; /* Make sure we stay within supported ranges */
947 pva = i ^ llhash; /* Get part of the vaddr */
948 llseg = ((llslot >> 12) ^ llhash); /* Get the segment number */
949 api = (llslot >> 7) & 0x1F; /* Get the API */
950 llva = ((llseg << (28 - maxAdrSpb)) & 0xFFFFFFFFF0000000ULL) | (api << 23) | ((pva << 12) & 0x007FF000); /* Get the vaddr */
951 wimgxx = xpteg[slot + 3] & 0x7F; /* Get the wimg and pp */
952 ppn = (xpteg[slot + 2] << 20) | (xpteg[slot + 3] >> 12); /* Get physical page number */
953 slotoff = (i * 128) + (j * 16) | 1; /* Get offset to slot and valid bit */
954 }
955
956 pmap = pmapTrans[space].pmapVAddr; /* Find the pmap address */
957 if(!pmap) { /* The pmap is not in use */
958 db_printf("The space %08X is not assigned to a pmap, slot = %d\n", space, slot); /* Say we are wrong */
959 fnderr = 1;
960 goto dcmout;
961 }
962
963 if (pmap->pmapFlags & pmapVMgsaa) {
964 unsigned int ret;
965 mapping_t mpcopy;
966 ret = hw_find_map_gv(pmap, llva, &mpcopy);
967 } else {
968 mp = hw_find_map(pmap, llva, &lnextva); /* Try to find the mapping for this address */
969 // db_printf("%08X - %017llX\n", mp, llva);
970 if((unsigned int)mp == mapRtBadLk) { /* Did we lock up ok? */
971 db_printf("Timeout locking mapping for for virtual address %016ll8X, slot = %d\n", llva, j);
972 return;
973 }
974
975 if(!mp) { /* Did we find one? */
976 db_printf("Not mapped, slot = %d, va = %08X\n", j, (unsigned int)llva);
977 fnderr = 1;
978 goto dcmout;
979 }
980
981 if((mp->mpFlags & 0xFF000000) > 0x01000000) { /* Is busy count too high? */
982 db_printf("Busy count too high, slot = %d\n", j);
983 fnderr = 1;
984 }
985
986 if((mp->mpFlags & mpType) == mpBlock) { /* Is this a block map? */
987 if(!(xpca[0] & xauto)) { /* Is it marked as such? */
988 db_printf("mapping marked as block, PCA is not, slot = %d\n", j);
989 fnderr = 1;
990 }
991 }
992 else { /* Is a block */
993 if(xpca[0] & xauto) { /* Is it marked as such? */
994 db_printf("mapping not marked as block, PCA is, slot = %d\n", j);
995 fnderr = 1;
996 }
997 if(mp->mpPte != slotoff) { /* See if mapping PTEG offset is us */
998 db_printf("mapping does not point to PTE, slot = %d\n", j);
999 fnderr = 1;
1000 }
1001 }
1002
1003 wimgkk = (unsigned int)mp->mpVAddr; /* Get last half of vaddr where keys, etc are */
1004 wimgkk = (wimgkk ^ wimgxx) & 0x7F; /* XOR to find differences from PTE */
1005 if(wimgkk) { /* See if key in PTE is what we want */
1006 db_printf("key or WIMG does not match, slot = %d\n", j);
1007 fnderr = 1;
1008 }
1009
1010 aoff = (ppnum_t)((llva >> 12) - (mp->mpVAddr >> 12)); /* Get the offset from vaddr */
1011 pa = aoff + mp->mpPAddr; /* Get the physical page number we expect */
1012 if(pa != ppn) { /* Is physical address expected? */
1013 db_printf("Physical address does not match, slot = %d\n", j);
1014 fnderr = 1;
1015 }
1016
1017 mapping_drop_busy(mp); /* We're done with the mapping */
1018 }
1019 }
1020
1021 }
1022 dcmout:
1023 free = free >> 1;
1024 xauto = xauto >> 1;
1025 }
1026
1027
1028 if(fnderr)db_dumppca(i); /* Print if error */
1029
1030 pteg = pteg + 64; /* Go to the next one */
1031 if(s4bit) pteg = pteg + 64; /* Hagfish? */
1032 pca = pca - 4; /* Go to the next one */
1033
1034
1035 }
1036
1037 return;
1038 }
1039
1040 /*
1041 * Displays all of the kmods in the system.
1042 *
1043 * dp
1044 */
1045 void db_display_kmod(db_expr_t addr, int have_addr, db_expr_t count, char * modif) {
1046
1047 kmod_info_t *kmd;
1048 unsigned int strt, end;
1049
1050 kmd = kmod; /* Start at the start */
1051
1052 db_printf("info addr start - end name ver\n");
1053
1054 while(kmd) { /* Dump 'em all */
1055 strt = (unsigned int)kmd->address + kmd->hdr_size; /* Get start of kmod text */
1056 end = (unsigned int)kmd->address + kmd->size; /* Get end of kmod */
1057 db_printf("%08X %08X %08X - %08X: %s, %s\n", kmd, kmd->address, strt, end,
1058 kmd->name, kmd->version);
1059 kmd = kmd->next; /* Step to it */
1060 }
1061
1062 return;
1063 }
1064
1065 /*
1066 * Displays stuff
1067 *
1068 * gs
1069 */
1070 unsigned char xxgpo[36] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
1071
1072 void db_gsnoop(db_expr_t addr, int have_addr, db_expr_t count, char * modif) {
1073
1074 int i, j;
1075 unsigned char *gp, gpn[36];
1076 #define ngpr 34
1077
1078 gp = (unsigned char *)0x8000005C;
1079
1080 for(i = 0; i < ngpr; i++) gpn[i] = gp[i]; /* Copy 'em */
1081
1082 for(i = 0; i < ngpr; i++) {
1083 db_printf("%02X ", gpn[i]);
1084 }
1085 db_printf("\n");
1086
1087 for(i = 0; i < ngpr; i++) {
1088 if(gpn[i] != xxgpo[i]) db_printf("^^ ");
1089 else db_printf(" ");
1090 }
1091 db_printf("\n");
1092
1093 for(i = 0; i < ngpr; i++) xxgpo[i] = gpn[i]; /* Save 'em */
1094
1095 return;
1096 }
1097
1098
1099 void Dumbo(void);
1100 void Dumbo(void){
1101 }
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