diff options
Diffstat (limited to 'arch/sparc64/kernel/head.S')
-rw-r--r-- | arch/sparc64/kernel/head.S | 33 |
1 files changed, 5 insertions, 28 deletions
diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S index 89406f9649a9..24340496cdd3 100644 --- a/arch/sparc64/kernel/head.S +++ b/arch/sparc64/kernel/head.S | |||
@@ -325,23 +325,7 @@ cheetah_tlb_fixup: | |||
325 | 1: sethi %hi(tlb_type), %g1 | 325 | 1: sethi %hi(tlb_type), %g1 |
326 | stw %g2, [%g1 + %lo(tlb_type)] | 326 | stw %g2, [%g1 + %lo(tlb_type)] |
327 | 327 | ||
328 | BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(g1,g7,1f) | 328 | /* Patch copy/page operations to cheetah optimized versions. */ |
329 | ba,pt %xcc, 2f | ||
330 | nop | ||
331 | |||
332 | 1: /* Patch context register writes to support nucleus page | ||
333 | * size correctly. | ||
334 | */ | ||
335 | call cheetah_plus_patch_etrap | ||
336 | nop | ||
337 | call cheetah_plus_patch_rtrap | ||
338 | nop | ||
339 | call cheetah_plus_patch_fpdis | ||
340 | nop | ||
341 | call cheetah_plus_patch_winfixup | ||
342 | nop | ||
343 | |||
344 | 2: /* Patch copy/page operations to cheetah optimized versions. */ | ||
345 | call cheetah_patch_copyops | 329 | call cheetah_patch_copyops |
346 | nop | 330 | nop |
347 | call cheetah_patch_copy_page | 331 | call cheetah_patch_copy_page |
@@ -484,20 +468,13 @@ spitfire_vpte_base: | |||
484 | call prom_set_trap_table | 468 | call prom_set_trap_table |
485 | sethi %hi(sparc64_ttable_tl0), %o0 | 469 | sethi %hi(sparc64_ttable_tl0), %o0 |
486 | 470 | ||
487 | BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(g2,g3,1f) | 471 | /* Start using proper page size encodings in ctx register. */ |
488 | ba,pt %xcc, 2f | 472 | sethi %hi(sparc64_kern_pri_context), %g3 |
489 | nop | 473 | ldx [%g3 + %lo(sparc64_kern_pri_context)], %g2 |
490 | |||
491 | 1: /* Start using proper page size encodings in ctx register. */ | ||
492 | sethi %uhi(CTX_CHEETAH_PLUS_NUC), %g3 | ||
493 | mov PRIMARY_CONTEXT, %g1 | 474 | mov PRIMARY_CONTEXT, %g1 |
494 | sllx %g3, 32, %g3 | 475 | stxa %g2, [%g1] ASI_DMMU |
495 | sethi %hi(CTX_CHEETAH_PLUS_CTX0), %g2 | ||
496 | or %g3, %g2, %g3 | ||
497 | stxa %g3, [%g1] ASI_DMMU | ||
498 | membar #Sync | 476 | membar #Sync |
499 | 477 | ||
500 | 2: | ||
501 | rdpr %pstate, %o1 | 478 | rdpr %pstate, %o1 |
502 | or %o1, PSTATE_IE, %o1 | 479 | or %o1, PSTATE_IE, %o1 |
503 | wrpr %o1, 0, %pstate | 480 | wrpr %o1, 0, %pstate |