diff options
Diffstat (limited to 'arch/sparc64/mm/ultra.S')
| -rw-r--r-- | arch/sparc64/mm/ultra.S | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/arch/sparc64/mm/ultra.S b/arch/sparc64/mm/ultra.S index e4c9151..22791f2 100644 --- a/arch/sparc64/mm/ultra.S +++ b/arch/sparc64/mm/ultra.S @@ -453,64 +453,6 @@ xcall_flush_dcache_page_spitfire: /* %g1 == physical page address nop nop - .data - -errata32_hwbug: - .xword 0 - - .text - - /* These two are not performance critical... */ - .globl xcall_flush_tlb_all_spitfire -xcall_flush_tlb_all_spitfire: - /* Spitfire Errata #32 workaround. */ - sethi %hi(errata32_hwbug), %g4 - stx %g0, [%g4 + %lo(errata32_hwbug)] - - clr %g2 - clr %g3 -1: ldxa [%g3] ASI_DTLB_DATA_ACCESS, %g4 - and %g4, _PAGE_L, %g5 - brnz,pn %g5, 2f - mov TLB_TAG_ACCESS, %g7 - - stxa %g0, [%g7] ASI_DMMU - membar #Sync - stxa %g0, [%g3] ASI_DTLB_DATA_ACCESS - membar #Sync - - /* Spitfire Errata #32 workaround. */ - sethi %hi(errata32_hwbug), %g4 - stx %g0, [%g4 + %lo(errata32_hwbug)] - -2: ldxa [%g3] ASI_ITLB_DATA_ACCESS, %g4 - and %g4, _PAGE_L, %g5 - brnz,pn %g5, 2f - mov TLB_TAG_ACCESS, %g7 - - stxa %g0, [%g7] ASI_IMMU - membar #Sync - stxa %g0, [%g3] ASI_ITLB_DATA_ACCESS - membar #Sync - - /* Spitfire Errata #32 workaround. */ - sethi %hi(errata32_hwbug), %g4 - stx %g0, [%g4 + %lo(errata32_hwbug)] - -2: add %g2, 1, %g2 - cmp %g2, SPITFIRE_HIGHEST_LOCKED_TLBENT - ble,pt %icc, 1b - sll %g2, 3, %g3 - flush %g6 - retry - - .globl xcall_flush_tlb_all_cheetah -xcall_flush_tlb_all_cheetah: - mov 0x80, %g2 - stxa %g0, [%g2] ASI_DMMU_DEMAP - stxa %g0, [%g2] ASI_IMMU_DEMAP - retry - /* These just get rescheduled to PIL vectors. */ .globl xcall_call_function xcall_call_function: |