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Merge pull request #1012 from rosethompson/main

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Update hptwAccessFault to generate additional hptw access faults during ifu fetches
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David Harris 2024-10-14 15:23:47 -07:00 committed by GitHub
commit d313aed04f
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1 changed files with 26 additions and 1 deletions
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27
tests/coverage/hptwAccessFault.S
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@ -48,7 +48,32 @@ main:
lw t1, 0(t0) # this load is a valid virtual address, but the page table will access an invalid address so it should cause a load access fault
li t1, 0x00008067 # this store is a valid virtual address, but the page table will access an invalid address so it should cause a store access fault
add t0, t0, t2
sw t1, 0(t0)
sw t1, 0(t0)
j jumppoint
jumppoint:
.align 6 # aligns to cache line size
sw t1, 0(t0)
sw t1, 4(t0)
sw t1, 8(t0)
sw t1, 12(t0)
sw t1, 16(t0)
sw t1, 20(t0)
sw t1, 24(t0)
sw t1, 28(t0)
sw t1, 32(t0)
sw t1, 36(t0)
sw t1, 40(t0)
sw t1, 44(t0)
sw t1, 48(t0)
sw t1, 52(t0) # this one causes a concurrent I$ miss with HPTW access exception (store access exception)
sw t1, 56(t0)
lw t3, 0(t0)
lw t3, 4(t0)
lw t3, 8(t0)
lw t3, 12(t0)
lw t3, 16(t0)
fence.I