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[Stable-8.0.4 10/31] target/s390x: Fix LRA when DAT is off
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From: |
Michael Tokarev |
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Subject: |
[Stable-8.0.4 10/31] target/s390x: Fix LRA when DAT is off |
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Date: |
Tue, 25 Jul 2023 16:44:55 +0300 |
From: Ilya Leoshkevich <iii@linux.ibm.com>
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>
(cherry picked from commit b0ef81062d2404ccef0289b1cc6e70244901c9be)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
diff --git a/target/s390x/mmu_helper.c b/target/s390x/mmu_helper.c
index b04b57c235..fbb2f1b4d4 100644
--- a/target/s390x/mmu_helper.c
+++ b/target/s390x/mmu_helper.c
@@ -417,7 +417,7 @@ int mmu_translate(CPUS390XState *env, target_ulong vaddr,
int rw, uint64_t asc,
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;
}
--
2.39.2