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| author | David Hildenbrand <dahi@linux.vnet.ibm.com> | 2015-12-09 16:36:42 +0100 |
|---|---|---|
| committer | Cornelia Huck <cornelia.huck@de.ibm.com> | 2016-01-27 15:34:48 +0100 |
| commit | 234779a2b9141d9386289ba5ed86c9d617567646 (patch) | |
| tree | c6d0b32f928900641ac67e9faa5d81c849ad6e72 /target-s390x | |
| parent | b3820e6ca0c364cfa73c9bc1614d2f303fc74703 (diff) | |
| download | qemu-234779a2b9141d9386289ba5ed86c9d617567646.zip | |
s390x: s390_cpu_get_phys_page_debug has to return -1
If translation fails, we have to return -1. For now, we
would simply return the value last stored to raddr (if any).
This way, reading invalid memory via gdb will return values, although it
shouldn't.
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Diffstat (limited to 'target-s390x')
| -rw-r--r-- | target-s390x/helper.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/target-s390x/helper.c b/target-s390x/helper.c index e541d69724..1231e586a4 100644 --- a/target-s390x/helper.c +++ b/target-s390x/helper.c @@ -162,8 +162,9 @@ hwaddr s390_cpu_get_phys_page_debug(CPUState *cs, vaddr vaddr) vaddr &= 0x7fffffff; } - mmu_translate(env, vaddr, MMU_INST_FETCH, asc, &raddr, &prot, false); - + if (mmu_translate(env, vaddr, MMU_INST_FETCH, asc, &raddr, &prot, false)) { + return -1; + } return raddr; } |