commit b0ef81062d2404ccef0289b1cc6e70244901c9be
author Ilya Leoshkevich <iii@linux.ibm.com> Tue Jul 04 10:12:30 2023 +0200
committer Thomas Huth <thuth@redhat.com> Mon Jul 10 15:34:24 2023 +0200
tree 88aa677e8c394dfb2f3b83bbb6fd1d1d345a6828
parent 6da311a60d58dba27f5f790217d5ebba944e34ab

target/s390x: Fix LRA when DAT is off

LRA should perform DAT regardless of whether it's on or off.
Disable DAT check for MMU_S390_LRA.

Fixes: defb0e3157af ("s390x: Implement opcode helpers")
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: qemu-stable@nongnu.org
Message-Id: <20230704081506.276055-7-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

target/s390x/mmu_helper.c

diff --git a/target/s390x/mmu_helper.c b/target/s390x/mmu_helper.c
index b04b57c..fbb2f1b 100644
--- a/target/s390x/mmu_helper.c
+++ b/target/s390x/mmu_helper.c
@@ -417,7 +417,7 @@
 
     vaddr &= TARGET_PAGE_MASK;
 
-    if (!(env->psw.mask & PSW_MASK_DAT)) {
+    if (rw != MMU_S390_LRA && !(env->psw.mask & PSW_MASK_DAT)) {
         *raddr = vaddr;
         goto nodat;
     }