1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* ITLB ** ICACHE line 1: Context 0 check and
3 ldxa [%g0] ASI_IMMU_TSB_8KB_PTR, %g
4 ldxa [%g0] ASI_IMMU, %g6
5 srlx %g6, 48, %g5
6 sllx %g6, 22, %g6
7 brz,pn %g5, kvmap_itlb
8 srlx %g6, 22, %g6
9 TSB_LOAD_QUAD(%g1, %g4)
10 cmp %g4, %g6
11
12 /* ITLB ** ICACHE line 2: TSB compare and TLB
13 bne,pn %xcc, tsb_miss_itlb
14 mov FAULT_CODE_ITLB, %g3
15 sethi %hi(_PAGE_EXEC_4U), %g4
16 andcc %g5, %g4, %g0
17 be,pn %xcc, tsb_do_fault
18 nop
19 stxa %g5, [%g0] ASI_ITLB_DATA_IN
20 retry
21
22 /* ITLB ** ICACHE line 3:
23 nop
24 nop
25 nop
26 nop
27 nop
28 nop
29 nop
30 nop
31
32 /* ITLB ** ICACHE line 4:
33 nop
34 nop
35 nop
36 nop
37 nop
38 nop
39 nop
40 nop
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