/* 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