| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* 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 |
