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authorThomas Huth <thuth@linux.vnet.ibm.com>2015-02-12 18:09:19 +0100
committerChristian Borntraeger <borntraeger@de.ibm.com>2015-02-18 09:37:14 +0100
commit89a41e0a37f3c749f3038ac2544f74257bc7b94d (patch)
tree22c9562746def926027d846f44036ec026c32a7e /target-s390x
parentdfebd7a7a9f8435fe5cd6c7d3901091db6322f99 (diff)
downloadqemu-89a41e0a37f3c749f3038ac2544f74257bc7b94d.tar.gz
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.c13
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;