diff options
Diffstat (limited to 'arch/sparc64/kernel/itlb_miss.S')
| -rw-r--r-- | arch/sparc64/kernel/itlb_miss.S | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/arch/sparc64/kernel/itlb_miss.S b/arch/sparc64/kernel/itlb_miss.S deleted file mode 100644 index 5a8377b5495..00000000000 --- a/arch/sparc64/kernel/itlb_miss.S +++ /dev/null @@ -1,39 +0,0 @@ -/* ITLB ** ICACHE line 1: Context 0 check and TSB load */ - ldxa [%g0] ASI_IMMU_TSB_8KB_PTR, %g1 ! Get TSB 8K pointer - ldxa [%g0] ASI_IMMU, %g6 ! Get TAG TARGET - srlx %g6, 48, %g5 ! Get context - sllx %g6, 22, %g6 ! Zero out context - brz,pn %g5, kvmap_itlb ! Context 0 processing - srlx %g6, 22, %g6 ! Delay slot - TSB_LOAD_QUAD(%g1, %g4) ! Load TSB entry - cmp %g4, %g6 ! Compare TAG - -/* ITLB ** ICACHE line 2: TSB compare and TLB load */ - bne,pn %xcc, tsb_miss_itlb ! Miss - mov FAULT_CODE_ITLB, %g3 - sethi %hi(_PAGE_EXEC_4U), %g4 - andcc %g5, %g4, %g0 ! Executable? - be,pn %xcc, tsb_do_fault - nop ! Delay slot, fill me - stxa %g5, [%g0] ASI_ITLB_DATA_IN ! Load TLB - retry ! Trap done - -/* ITLB ** ICACHE line 3: */ - nop - nop - nop - nop - nop - nop - nop - nop - -/* ITLB ** ICACHE line 4: */ - nop - nop - nop - nop - nop - nop - nop - nop |