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| Rev 4296 | Rev 4420 | ||
|---|---|---|---|
| Line 495... | Line 495... | ||
| 495 | printf("DTLB SFAR: address=%p\n", sfar); |
495 | printf("DTLB SFAR: address=%p\n", sfar); |
| 496 | 496 | ||
| 497 | dtlb_sfsr_write(0); |
497 | dtlb_sfsr_write(0); |
| 498 | } |
498 | } |
| 499 | 499 | ||
| 500 | #if defined (US3) |
500 | #if defined (US) |
| 501 | /** Invalidates given TLB entry if and only if it is non-locked or global. |
- | |
| 502 | * |
- | |
| 503 | * @param tlb TLB number (one of TLB_DSMALL, TLB_DBIG_0, TLB_DBIG_1, |
- | |
| 504 | * TLB_ISMALL, TLB_IBIG). |
- | |
| 505 | * @param entry Entry index within the given TLB. |
- | |
| 506 | */ |
- | |
| 507 | static void tlb_invalidate_entry(int tlb, index_t entry) |
- | |
| 508 | { |
- | |
| 509 | tlb_data_t d; |
- | |
| 510 | tlb_tag_read_reg_t t; |
- | |
| 511 | - | ||
| 512 | if (tlb == TLB_DSMALL || tlb == TLB_DBIG_0 || tlb == TLB_DBIG_1) { |
- | |
| 513 | d.value = dtlb_data_access_read(tlb, entry); |
- | |
| 514 | if (!d.l || d.g) { |
- | |
| 515 | t.value = dtlb_tag_read_read(tlb, entry); |
- | |
| 516 | d.v = false; |
- | |
| 517 | dtlb_tag_access_write(t.value); |
- | |
| 518 | dtlb_data_access_write(tlb, entry, d.value); |
- | |
| 519 | } |
- | |
| 520 | } else if (tlb == TLB_ISMALL || tlb == TLB_IBIG) { |
- | |
| 521 | d.value = itlb_data_access_read(tlb, entry); |
- | |
| 522 | if (!d.l || d.g) { |
- | |
| 523 | t.value = itlb_tag_read_read(tlb, entry); |
- | |
| 524 | d.v = false; |
- | |
| 525 | itlb_tag_access_write(t.value); |
- | |
| 526 | itlb_data_access_write(tlb, entry, d.value); |
- | |
| 527 | } |
- | |
| 528 | } |
- | |
| 529 | } |
- | |
| 530 | #endif |
- | |
| 531 | - | ||
| 532 | /** Invalidate all unlocked ITLB and DTLB entries. */ |
501 | /** Invalidate all unlocked ITLB and DTLB entries. */ |
| 533 | void tlb_invalidate_all(void) |
502 | void tlb_invalidate_all(void) |
| 534 | { |
503 | { |
| 535 | int i; |
504 | int i; |
| 536 | 505 | ||
| Line 541... | Line 510... | ||
| 541 | * found must have been created by someone else. Their only purpose now |
510 | * found must have been created by someone else. Their only purpose now |
| 542 | * is to collide with proper mappings. Invalidate immediately. It should |
511 | * is to collide with proper mappings. Invalidate immediately. It should |
| 543 | * be safe to invalidate them as late as now. |
512 | * be safe to invalidate them as late as now. |
| 544 | */ |
513 | */ |
| 545 | 514 | ||
| 546 | #if defined (US) |
- | |
| 547 | tlb_data_t d; |
515 | tlb_data_t d; |
| 548 | tlb_tag_read_reg_t t; |
516 | tlb_tag_read_reg_t t; |
| 549 | 517 | ||
| 550 | for (i = 0; i < ITLB_ENTRY_COUNT; i++) { |
518 | for (i = 0; i < ITLB_ENTRY_COUNT; i++) { |
| 551 | d.value = itlb_data_access_read(i); |
519 | d.value = itlb_data_access_read(i); |
| Line 565... | Line 533... | ||
| 565 | dtlb_tag_access_write(t.value); |
533 | dtlb_tag_access_write(t.value); |
| 566 | dtlb_data_access_write(i, d.value); |
534 | dtlb_data_access_write(i, d.value); |
| 567 | } |
535 | } |
| 568 | } |
536 | } |
| 569 | 537 | ||
| 570 | #elif defined (US3) |
538 | } |
| 571 | 539 | ||
| 572 | for (i = 0; i < tlb_ismall_size(); i++) |
- | |
| 573 | tlb_invalidate_entry(TLB_ISMALL, i); |
- | |
| 574 | for (i = 0; i < tlb_ibig_size(); i++) |
- | |
| 575 | tlb_invalidate_entry(TLB_IBIG, i); |
540 | #elif defined (US3) |
| 576 | for (i = 0; i < tlb_dsmall_size(); i++) |
- | |
| 577 | tlb_invalidate_entry(TLB_DSMALL, i); |
- | |
| 578 | for (i = 0; i < tlb_dbig_size(); i++) |
- | |
| 579 | tlb_invalidate_entry(TLB_DBIG_0, i); |
- | |
| 580 | for (i = 0; i < tlb_dbig_size(); i++) |
- | |
| 581 | tlb_invalidate_entry(TLB_DBIG_1, i); |
- | |
| 582 | #endif |
- | |
| 583 | 541 | ||
| - | 542 | /** Invalidate all unlocked ITLB and DTLB entries. */ |
|
| - | 543 | void tlb_invalidate_all(void) |
|
| - | 544 | { |
|
| - | 545 | itlb_demap(TLB_DEMAP_ALL, 0, 0); |
|
| - | 546 | dtlb_demap(TLB_DEMAP_ALL, 0, 0); |
|
| 584 | } |
547 | } |
| 585 | 548 | ||
| - | 549 | #endif |
|
| - | 550 | ||
| 586 | /** Invalidate all ITLB and DTLB entries that belong to specified ASID |
551 | /** Invalidate all ITLB and DTLB entries that belong to specified ASID |
| 587 | * (Context). |
552 | * (Context). |
| 588 | * |
553 | * |
| 589 | * @param asid Address Space ID. |
554 | * @param asid Address Space ID. |
| 590 | */ |
555 | */ |