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PPC: booke206: allow NULL raddr in ppcmas_tlb_check 

We might want to call the tlb check function without actually caring about
the real address resolution. Check if we really should write the value
back.

Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexander Graf 2012-01-20 04:06:18 +01:00
parent dcb2b9e100
commit ffba87862b
1 changed files with 4 additions and 1 deletions
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5
target-ppc/helper.c
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@ -1338,7 +1338,10 @@ int ppcmas_tlb_check(CPUState *env, ppcmas_tlb_t *tlb,
if ((address & mask) != (tlb->mas2 & MAS2_EPN_MASK)) { if ((address & mask) != (tlb->mas2 & MAS2_EPN_MASK)) {
return -1; return -1;
} }
*raddrp = (tlb->mas7_3 & mask) | (address & ~mask);
if (raddrp) {
*raddrp = (tlb->mas7_3 & mask) | (address & ~mask);
}
return 0; return 0;
} }