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 @@ | |||
1 | /* ITLB ** ICACHE line 1: Context 0 check and TSB load */ | ||
2 | ldxa [%g0] ASI_IMMU_TSB_8KB_PTR, %g1 ! Get TSB 8K pointer | ||
3 | ldxa [%g0] ASI_IMMU, %g6 ! Get TAG TARGET | ||
4 | srlx %g6, 48, %g5 ! Get context | ||
5 | sllx %g6, 22, %g6 ! Zero out context | ||
6 | brz,pn %g5, kvmap_itlb ! Context 0 processing | ||
7 | srlx %g6, 22, %g6 ! Delay slot | ||
8 | TSB_LOAD_QUAD(%g1, %g4) ! Load TSB entry | ||
9 | cmp %g4, %g6 ! Compare TAG | ||
10 | |||
11 | /* ITLB ** ICACHE line 2: TSB compare and TLB load */ | ||
12 | bne,pn %xcc, tsb_miss_itlb ! Miss | ||
13 | mov FAULT_CODE_ITLB, %g3 | ||
14 | sethi %hi(_PAGE_EXEC_4U), %g4 | ||
15 | andcc %g5, %g4, %g0 ! Executable? | ||
16 | be,pn %xcc, tsb_do_fault | ||
17 | nop ! Delay slot, fill me | ||
18 | stxa %g5, [%g0] ASI_ITLB_DATA_IN ! Load TLB | ||
19 | retry ! Trap done | ||
20 | |||
21 | /* ITLB ** ICACHE line 3: */ | ||
22 | nop | ||
23 | nop | ||
24 | nop | ||
25 | nop | ||
26 | nop | ||
27 | nop | ||
28 | nop | ||
29 | nop | ||
30 | |||
31 | /* ITLB ** ICACHE line 4: */ | ||
32 | nop | ||
33 | nop | ||
34 | nop | ||
35 | nop | ||
36 | nop | ||
37 | nop | ||
38 | nop | ||
39 | nop | ||