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/* 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
brz,pn %g5, kvmap_itlb ! Context 0 processing
nop ! Delay slot (fill me)
ldda [%g1] ASI_NUCLEUS_QUAD_LDD, %g4 ! Load TSB entry
cmp %g4, %g6 ! Compare TAG
sethi %hi(_PAGE_EXEC), %g4 ! Setup exec check
/* ITLB ** ICACHE line 2: TSB compare and TLB load */
bne,pn %xcc, tsb_miss_itlb ! Miss
mov FAULT_CODE_ITLB, %g3
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
nop
/* ITLB ** ICACHE line 3: */
nop
nop
nop
nop
nop
nop
nop
nop
/* ITLB ** ICACHE line 4: */
nop
nop
nop
nop
nop
nop
nop
nop
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