Commit | Line | Data |
---|---|---|
74bf4312 DM |
1 | /* DTLB ** ICACHE line 1: Context 0 check and TSB load */ |
2 | ldxa [%g0] ASI_DMMU_TSB_8KB_PTR, %g1 ! Get TSB 8K pointer | |
3 | ldxa [%g0] ASI_DMMU, %g6 ! Get TAG TARGET | |
4 | srlx %g6, 48, %g5 ! Get context | |
8b234274 | 5 | sllx %g6, 22, %g6 ! Zero out context |
74bf4312 | 6 | brz,pn %g5, kvmap_dtlb ! Context 0 processing |
8b234274 | 7 | srlx %g6, 22, %g6 ! Delay slot |
517af332 | 8 | TSB_LOAD_QUAD(%g1, %g4) ! Load TSB entry |
74bf4312 DM |
9 | cmp %g4, %g6 ! Compare TAG |
10 | ||
11 | /* DTLB ** ICACHE line 2: TSB compare and TLB load */ | |
12 | bne,pn %xcc, tsb_miss_dtlb ! Miss | |
13 | mov FAULT_CODE_DTLB, %g3 | |
14 | stxa %g5, [%g0] ASI_DTLB_DATA_IN ! Load TLB | |
15 | retry ! Trap done | |
16 | nop | |
17 | nop | |
18 | nop | |
19 | nop | |
20 | ||
21 | /* DTLB ** ICACHE line 3: */ | |
22 | nop | |
23 | nop | |
24 | nop | |
25 | nop | |
26 | nop | |
27 | nop | |
28 | nop | |
29 | nop | |
30 | ||
31 | /* DTLB ** ICACHE line 4: */ | |
32 | nop | |
33 | nop | |
34 | nop | |
35 | nop | |
36 | nop | |
37 | nop | |
38 | nop | |
39 | nop |