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/* DTLB ** ICACHE line 1: Context 0 check and TSB load */ ldxa [%g0] ASI_DMMU_TSB_8KB_PTR, %g1 ! Get TSB 8K pointer ldxa [%g0] ASI_DMMU, %g6 ! Get TAG TARGET srlx %g6, 48, %g5 ! Get context sllx %g6, 22, %g6 ! Zero out context brz,pn %g5, kvmap_dtlb ! Context 0 processing srlx %g6, 22, %g6 ! Delay slot TSB_LOAD_QUAD(%g1, %g4) ! Load TSB entry cmp %g4, %g6 ! Compare TAG /* DTLB ** ICACHE line 2: TSB compare and TLB load */ bne,pn %xcc, tsb_miss_dtlb ! Miss mov FAULT_CODE_DTLB, %g3 stxa %g5, [%g0] ASI_DTLB_DATA_IN ! Load TLB retry ! Trap done nop nop nop nop /* DTLB ** ICACHE line 3: */ nop nop nop nop nop nop nop nop /* DTLB ** ICACHE line 4: */ nop nop nop nop nop nop nop nop |