Rev 3343 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 3343 | Rev 3440 | ||
---|---|---|---|
Line 329... | Line 329... | ||
329 | __func__); |
329 | __func__); |
330 | } |
330 | } |
331 | } |
331 | } |
332 | } |
332 | } |
333 | 333 | ||
- | 334 | /** Print TLB entry (for debugging purposes). |
|
- | 335 | * |
|
- | 336 | * The diag field has been left out in order to make this function more generic |
|
- | 337 | * (there is no diag field in US3 architeture). |
|
- | 338 | * |
|
- | 339 | * @param i TLB entry number |
|
- | 340 | * @param t TLB entry tag |
|
- | 341 | * @param d TLB entry data |
|
- | 342 | */ |
|
- | 343 | static void print_tlb_entry(int i, tlb_tag_read_reg_t t, tlb_data_t d) |
|
- | 344 | { |
|
- | 345 | printf("%d: vpn=%#llx, context=%d, v=%d, size=%d, nfo=%d, " |
|
- | 346 | "ie=%d, soft2=%#x, pfn=%#x, soft=%#x, l=%d, " |
|
- | 347 | "cp=%d, cv=%d, e=%d, p=%d, w=%d, g=%d\n", i, t.vpn, |
|
- | 348 | t.context, d.v, d.size, d.nfo, d.ie, d.soft2, |
|
- | 349 | d.pfn, d.soft, d.l, d.cp, d.cv, d.e, d.p, d.w, d.g); |
|
- | 350 | } |
|
- | 351 | ||
- | 352 | #if defined (US) |
|
- | 353 | ||
334 | /** Print contents of both TLBs. */ |
354 | /** Print contents of both TLBs. */ |
335 | void tlb_print(void) |
355 | void tlb_print(void) |
336 | { |
356 | { |
337 | int i; |
357 | int i; |
338 | tlb_data_t d; |
358 | tlb_data_t d; |
Line 340... | Line 360... | ||
340 | 360 | ||
341 | printf("I-TLB contents:\n"); |
361 | printf("I-TLB contents:\n"); |
342 | for (i = 0; i < ITLB_ENTRY_COUNT; i++) { |
362 | for (i = 0; i < ITLB_ENTRY_COUNT; i++) { |
343 | d.value = itlb_data_access_read(i); |
363 | d.value = itlb_data_access_read(i); |
344 | t.value = itlb_tag_read_read(i); |
364 | t.value = itlb_tag_read_read(i); |
345 | - | ||
346 | printf("%d: vpn=%#llx, context=%d, v=%d, size=%d, nfo=%d, " |
- | |
347 | "ie=%d, soft2=%#x, diag=%#x, pfn=%#x, soft=%#x, l=%d, " |
- | |
348 | "cp=%d, cv=%d, e=%d, p=%d, w=%d, g=%d\n", i, t.vpn, |
- | |
349 | t.context, d.v, d.size, d.nfo, d.ie, d.soft2, d.diag, |
365 | print_tlb_entry(i, t, d); |
350 | d.pfn, d.soft, d.l, d.cp, d.cv, d.e, d.p, d.w, d.g); |
- | |
351 | } |
366 | } |
352 | 367 | ||
353 | printf("D-TLB contents:\n"); |
368 | printf("D-TLB contents:\n"); |
354 | for (i = 0; i < DTLB_ENTRY_COUNT; i++) { |
369 | for (i = 0; i < DTLB_ENTRY_COUNT; i++) { |
355 | d.value = dtlb_data_access_read(i); |
370 | d.value = dtlb_data_access_read(i); |
356 | t.value = dtlb_tag_read_read(i); |
371 | t.value = dtlb_tag_read_read(i); |
- | 372 | print_tlb_entry(i, t, d); |
|
- | 373 | } |
|
- | 374 | } |
|
357 | 375 | ||
- | 376 | #elif defined (US3) |
|
- | 377 | ||
- | 378 | /** Print contents of all TLBs. */ |
|
- | 379 | void tlb_print(void) |
|
- | 380 | { |
|
- | 381 | int i; |
|
- | 382 | tlb_data_t d; |
|
- | 383 | tlb_tag_read_reg_t t; |
|
- | 384 | ||
358 | printf("%d: vpn=%#llx, context=%d, v=%d, size=%d, nfo=%d, " |
385 | printf("IT16 contents:\n"); |
- | 386 | for (i = 0; i < 16; i++) { |
|
359 | "ie=%d, soft2=%#x, diag=%#x, pfn=%#x, soft=%#x, l=%d, " |
387 | d.value = dtlb_data_access_read(TLB_IT16, i); |
360 | "cp=%d, cv=%d, e=%d, p=%d, w=%d, g=%d\n", i, t.vpn, |
388 | t.value = dtlb_tag_read_read(TLB_IT16, i); |
- | 389 | print_tlb_entry(i, t, d); |
|
- | 390 | } |
|
- | 391 | ||
- | 392 | printf("IT128 contents:\n"); |
|
- | 393 | for (i = 0; i < 128; i++) { |
|
- | 394 | d.value = dtlb_data_access_read(TLB_IT128, i); |
|
361 | t.context, d.v, d.size, d.nfo, d.ie, d.soft2, d.diag, |
395 | t.value = dtlb_tag_read_read(TLB_IT128, i); |
- | 396 | print_tlb_entry(i, t, d); |
|
- | 397 | } |
|
- | 398 | ||
- | 399 | printf("DT16 contents:\n"); |
|
- | 400 | for (i = 0; i < 16; i++) { |
|
362 | d.pfn, d.soft, d.l, d.cp, d.cv, d.e, d.p, d.w, d.g); |
401 | d.value = dtlb_data_access_read(TLB_DT16, i); |
- | 402 | t.value = dtlb_tag_read_read(TLB_DT16, i); |
|
- | 403 | print_tlb_entry(i, t, d); |
|
- | 404 | } |
|
- | 405 | ||
- | 406 | printf("DT512_1 contents:\n"); |
|
- | 407 | for (i = 0; i < 512; i++) { |
|
- | 408 | d.value = dtlb_data_access_read(TLB_DT512_1, i); |
|
- | 409 | t.value = dtlb_tag_read_read(TLB_DT512_1, i); |
|
- | 410 | print_tlb_entry(i, t, d); |
|
363 | } |
411 | } |
364 | 412 | ||
- | 413 | printf("DT512_2 contents:\n"); |
|
- | 414 | for (i = 0; i < 512; i++) { |
|
- | 415 | d.value = dtlb_data_access_read(TLB_DT512_2, i); |
|
- | 416 | t.value = dtlb_tag_read_read(TLB_DT512_2, i); |
|
- | 417 | print_tlb_entry(i, t, d); |
|
- | 418 | } |
|
365 | } |
419 | } |
366 | 420 | ||
- | 421 | #endif |
|
- | 422 | ||
367 | void do_fast_instruction_access_mmu_miss_fault(istate_t *istate, |
423 | void do_fast_instruction_access_mmu_miss_fault(istate_t *istate, |
368 | const char *str) |
424 | const char *str) |
369 | { |
425 | { |
370 | fault_if_from_uspace(istate, "%s\n", str); |
426 | fault_if_from_uspace(istate, "%s\n", str); |
371 | dump_istate(istate); |
427 | dump_istate(istate); |
Line 417... | Line 473... | ||
417 | printf("DTLB SFAR: address=%p\n", sfar); |
473 | printf("DTLB SFAR: address=%p\n", sfar); |
418 | 474 | ||
419 | dtlb_sfsr_write(0); |
475 | dtlb_sfsr_write(0); |
420 | } |
476 | } |
421 | 477 | ||
- | 478 | #if defined (US3) |
|
- | 479 | /** Invalidates given TLB entry if and only if it is non-locked or global. |
|
- | 480 | * |
|
- | 481 | * @param tlb |
|
- | 482 | * TLB number (one of TLB_DT16, TLB_DT512_1, TLB_DT512_2, |
|
- | 483 | * TLB_IT16, TLB_IT128) |
|
- | 484 | * @param entry entry index within the given TLB |
|
- | 485 | */ |
|
- | 486 | static void tlb_invalidate_entry(int tlb, index_t entry) |
|
- | 487 | { |
|
- | 488 | tlb_data_t d; |
|
- | 489 | tlb_tag_read_reg_t t; |
|
- | 490 | ||
- | 491 | if (tlb == TLB_DT16 || tlb == TLB_DT512_1 || tlb == TLB_DT512_2) { |
|
- | 492 | d.value = dtlb_data_access_read(tlb, entry); |
|
- | 493 | if (!d.l || d.g) { |
|
- | 494 | t.value = dtlb_tag_read_read(tlb, entry); |
|
- | 495 | d.v = false; |
|
- | 496 | dtlb_tag_access_write(t.value); |
|
- | 497 | dtlb_data_access_write(tlb, entry, d.value); |
|
- | 498 | } |
|
- | 499 | } else if (tlb == TLB_IT16 || tlb == TLB_IT128) { |
|
- | 500 | d.value = itlb_data_access_read(tlb, entry); |
|
- | 501 | if (!d.l || d.g) { |
|
- | 502 | t.value = itlb_tag_read_read(tlb, entry); |
|
- | 503 | d.v = false; |
|
- | 504 | itlb_tag_access_write(t.value); |
|
- | 505 | itlb_data_access_write(tlb, entry, d.value); |
|
- | 506 | } |
|
- | 507 | } |
|
- | 508 | } |
|
- | 509 | #endif |
|
- | 510 | ||
422 | /** Invalidate all unlocked ITLB and DTLB entries. */ |
511 | /** Invalidate all unlocked ITLB and DTLB entries. */ |
423 | void tlb_invalidate_all(void) |
512 | void tlb_invalidate_all(void) |
424 | { |
513 | { |
425 | int i; |
514 | int i; |
426 | tlb_data_t d; |
- | |
427 | tlb_tag_read_reg_t t; |
- | |
428 | 515 | ||
429 | /* |
516 | /* |
430 | * Walk all ITLB and DTLB entries and remove all unlocked mappings. |
517 | * Walk all ITLB and DTLB entries and remove all unlocked mappings. |
431 | * |
518 | * |
432 | * The kernel doesn't use global mappings so any locked global mappings |
519 | * The kernel doesn't use global mappings so any locked global mappings |
433 | * found must have been created by someone else. Their only purpose now |
520 | * found must have been created by someone else. Their only purpose now |
434 | * is to collide with proper mappings. Invalidate immediately. It should |
521 | * is to collide with proper mappings. Invalidate immediately. It should |
435 | * be safe to invalidate them as late as now. |
522 | * be safe to invalidate them as late as now. |
436 | */ |
523 | */ |
437 | 524 | ||
- | 525 | #if defined (US) |
|
- | 526 | tlb_data_t d; |
|
- | 527 | tlb_tag_read_reg_t t; |
|
- | 528 | ||
438 | for (i = 0; i < ITLB_ENTRY_COUNT; i++) { |
529 | for (i = 0; i < ITLB_ENTRY_COUNT; i++) { |
439 | d.value = itlb_data_access_read(i); |
530 | d.value = itlb_data_access_read(i); |
440 | if (!d.l || d.g) { |
531 | if (!d.l || d.g) { |
441 | t.value = itlb_tag_read_read(i); |
532 | t.value = itlb_tag_read_read(i); |
442 | d.v = false; |
533 | d.v = false; |
Line 453... | Line 544... | ||
453 | dtlb_tag_access_write(t.value); |
544 | dtlb_tag_access_write(t.value); |
454 | dtlb_data_access_write(i, d.value); |
545 | dtlb_data_access_write(i, d.value); |
455 | } |
546 | } |
456 | } |
547 | } |
457 | 548 | ||
- | 549 | #elif defined (US3) |
|
- | 550 | ||
- | 551 | for (i = 0; i < 16; i++) |
|
- | 552 | tlb_invalidate_entry(TLB_IT16, i); |
|
- | 553 | for (i = 0; i < 128; i++) |
|
- | 554 | tlb_invalidate_entry(TLB_IT128, i); |
|
- | 555 | for (i = 0; i < 16; i++) |
|
- | 556 | tlb_invalidate_entry(TLB_DT16, i); |
|
- | 557 | for (i = 0; i < 512; i++) |
|
- | 558 | tlb_invalidate_entry(TLB_DT512_1, i); |
|
- | 559 | for (i = 0; i < 512; i++) |
|
- | 560 | tlb_invalidate_entry(TLB_DT512_2, i); |
|
- | 561 | #endif |
|
- | 562 | ||
458 | } |
563 | } |
459 | 564 | ||
460 | /** Invalidate all ITLB and DTLB entries that belong to specified ASID |
565 | /** Invalidate all ITLB and DTLB entries that belong to specified ASID |
461 | * (Context). |
566 | * (Context). |
462 | * |
567 | * |