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target/hppa: Only use EXCP_DTLB_MISS

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Unknown why this works, but if we return EXCP_ITLB_MISS we
will triple-fault the first userland instruction fetch.
Is it something to do with having a combined I/DTLB?

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2017-12-28 19:26:52 -08:00
parent 43e056522f
commit 46559e8184
1 changed files with 3 additions and 1 deletions
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4
target/hppa/mem_helper.c
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@ -96,7 +96,9 @@ int hppa_get_physical_address(CPUHPPAState *env, vaddr addr, int mmu_idx,
if (ent == NULL || !ent->entry_valid) { if (ent == NULL || !ent->entry_valid) {
phys = 0; phys = 0;
prot = 0; prot = 0;
ret = (type & PAGE_EXEC ? EXCP_ITLB_MISS : EXCP_DTLB_MISS); /* ??? Unconditionally report data tlb miss,
even if this is an instruction fetch. */
ret = EXCP_DTLB_MISS;
goto egress; goto egress;
} }