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Update hptwAccessFault to generate additional hptw access faults

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during ifu fetches.
This commit is contained in:
Rose Thompson 2024-10-14 16:51:46 -05:00
parent d8fe68b912
commit f208b11b51
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 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 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 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 fence.I