diff options
Diffstat (limited to 'arch/sparc64/kernel/tsb.S')
| -rw-r--r-- | arch/sparc64/kernel/tsb.S | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/tsb.S b/arch/sparc64/kernel/tsb.S index 1b154c863628..118baea44f69 100644 --- a/arch/sparc64/kernel/tsb.S +++ b/arch/sparc64/kernel/tsb.S | |||
| @@ -371,3 +371,72 @@ copy_tsb: /* %o0=old_tsb_base, %o1=old_tsb_size | |||
| 371 | retl | 371 | retl |
| 372 | TSB_MEMBAR | 372 | TSB_MEMBAR |
| 373 | .size copy_tsb, .-copy_tsb | 373 | .size copy_tsb, .-copy_tsb |
| 374 | |||
| 375 | /* Set the invalid bit in all TSB entries. */ | ||
| 376 | .align 32 | ||
| 377 | .globl tsb_init | ||
| 378 | .type tsb_init,#function | ||
| 379 | tsb_init: /* %o0 = TSB vaddr, %o1 = size in bytes */ | ||
| 380 | prefetch [%o0 + 0x000], #n_writes | ||
| 381 | mov 1, %g1 | ||
| 382 | prefetch [%o0 + 0x040], #n_writes | ||
| 383 | sllx %g1, TSB_TAG_INVALID_BIT, %g1 | ||
| 384 | prefetch [%o0 + 0x080], #n_writes | ||
| 385 | 1: prefetch [%o0 + 0x0c0], #n_writes | ||
| 386 | stx %g1, [%o0 + 0x00] | ||
| 387 | stx %g1, [%o0 + 0x10] | ||
| 388 | stx %g1, [%o0 + 0x20] | ||
| 389 | stx %g1, [%o0 + 0x30] | ||
| 390 | prefetch [%o0 + 0x100], #n_writes | ||
| 391 | stx %g1, [%o0 + 0x40] | ||
| 392 | stx %g1, [%o0 + 0x50] | ||
| 393 | stx %g1, [%o0 + 0x60] | ||
| 394 | stx %g1, [%o0 + 0x70] | ||
| 395 | prefetch [%o0 + 0x140], #n_writes | ||
| 396 | stx %g1, [%o0 + 0x80] | ||
| 397 | stx %g1, [%o0 + 0x90] | ||
| 398 | stx %g1, [%o0 + 0xa0] | ||
| 399 | stx %g1, [%o0 + 0xb0] | ||
| 400 | prefetch [%o0 + 0x180], #n_writes | ||
| 401 | stx %g1, [%o0 + 0xc0] | ||
| 402 | stx %g1, [%o0 + 0xd0] | ||
| 403 | stx %g1, [%o0 + 0xe0] | ||
| 404 | stx %g1, [%o0 + 0xf0] | ||
| 405 | subcc %o1, 0x100, %o1 | ||
| 406 | bne,pt %xcc, 1b | ||
| 407 | add %o0, 0x100, %o0 | ||
| 408 | retl | ||
| 409 | nop | ||
| 410 | nop | ||
| 411 | nop | ||
| 412 | .size tsb_init, .-tsb_init | ||
| 413 | |||
| 414 | .globl NGtsb_init | ||
| 415 | .type NGtsb_init,#function | ||
| 416 | NGtsb_init: | ||
| 417 | rd %asi, %g2 | ||
| 418 | mov 1, %g1 | ||
| 419 | wr %g0, ASI_BLK_INIT_QUAD_LDD_P, %asi | ||
| 420 | sllx %g1, TSB_TAG_INVALID_BIT, %g1 | ||
| 421 | 1: stxa %g1, [%o0 + 0x00] %asi | ||
| 422 | stxa %g1, [%o0 + 0x10] %asi | ||
| 423 | stxa %g1, [%o0 + 0x20] %asi | ||
| 424 | stxa %g1, [%o0 + 0x30] %asi | ||
| 425 | stxa %g1, [%o0 + 0x40] %asi | ||
| 426 | stxa %g1, [%o0 + 0x50] %asi | ||
| 427 | stxa %g1, [%o0 + 0x60] %asi | ||
| 428 | stxa %g1, [%o0 + 0x70] %asi | ||
| 429 | stxa %g1, [%o0 + 0x80] %asi | ||
| 430 | stxa %g1, [%o0 + 0x90] %asi | ||
| 431 | stxa %g1, [%o0 + 0xa0] %asi | ||
| 432 | stxa %g1, [%o0 + 0xb0] %asi | ||
| 433 | stxa %g1, [%o0 + 0xc0] %asi | ||
| 434 | stxa %g1, [%o0 + 0xd0] %asi | ||
| 435 | stxa %g1, [%o0 + 0xe0] %asi | ||
| 436 | stxa %g1, [%o0 + 0xf0] %asi | ||
| 437 | subcc %o1, 0x100, %o1 | ||
| 438 | bne,pt %xcc, 1b | ||
| 439 | add %o0, 0x100, %o0 | ||
| 440 | retl | ||
| 441 | wr %g2, 0x0, %asi | ||
| 442 | .size NGtsb_init, .-NGtsb_init | ||