diff options
| author | Thomas Huth <thuth@linux.vnet.ibm.com> | 2015-02-12 18:09:19 +0100 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2015-02-18 09:37:14 +0100 |
| commit | 89a41e0a37f3c749f3038ac2544f74257bc7b94d (patch) | |
| tree | 22c9562746def926027d846f44036ec026c32a7e /target-s390x | |
| parent | dfebd7a7a9f8435fe5cd6c7d3901091db6322f99 (diff) | |
s390x/mmu: Fix the check for the real-space designation bit
The real-space designation bits live in the ASCEs, not in the table entries,
so the check must be done before we start walking the MMU table.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'target-s390x')
| -rw-r--r-- | target-s390x/mmu_helper.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/target-s390x/mmu_helper.c b/target-s390x/mmu_helper.c index fc4f7c5428..c845cd4339 100644 --- a/target-s390x/mmu_helper.c +++ b/target-s390x/mmu_helper.c @@ -180,13 +180,6 @@ static int mmu_translate_asce(CPUS390XState *env, target_ulong vaddr, return -1; } - if (asce & _ASCE_REAL_SPACE) { - /* direct mapping */ - - *raddr = vaddr; - return 0; - } - origin = asce & _ASCE_ORIGIN; switch (level) { @@ -252,6 +245,12 @@ static int mmu_translate_asc(CPUS390XState *env, target_ulong vaddr, break; } + if (asce & _ASCE_REAL_SPACE) { + /* direct mapping */ + *raddr = vaddr; + return 0; + } + switch (asce & _ASCE_TYPE_MASK) { case _ASCE_TYPE_REGION1: break; |