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target/mips: Pass a valid error to raise_mmu_exception for user-only

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At present we give ret = 0, or TLBRET_MATCH. This gets matched
by the default case, which falls through to TLBRET_BADADDR.
However, it makes more sense to use a proper value. All of the
tlb-related exceptions are handled identically in cpu_loop.c,
so TLBRET_BADADDR is as good as any other. Retain it.

Backports commit 995ffde9622c01f5b307cab47f9bd7962ac09db2 from qemu
This commit is contained in:
Richard Henderson 2019-05-16 17:14:00 -04:00 committed by Lioncash
parent 52998fe46d
commit f175e89ca2
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1 changed files with 1 additions and 1 deletions
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qemu/target/mips/helper.c
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@ -872,7 +872,7 @@ int mips_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int size, int rw,
int prot;
int access_type;
#endif
int ret = 0;
int ret = TLBRET_BADADDR;
#if 0
log_cpu_state(cs, 0);