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[Qemu-stable] [PULL 03/11] s390x: Return specification exception for uni
From: |
Cornelia Huck |
Subject: |
[Qemu-stable] [PULL 03/11] s390x: Return specification exception for unimplemented diag 308 subcodes |
Date: |
Fri, 18 Jan 2019 13:19:17 +0100 |
From: Janosch Frank <address@hidden>
The architecture specifies specification exceptions for all
unavailable subcodes.
The presence of subcodes is indicated by checking some query subcode.
For example 6 will indicate that 3-6 are available. So future systems
might call new subcodes to check for new features. This should not
trigger a hw error, instead we return the architectured specification
exception.
Signed-off-by: Janosch Frank <address@hidden>
Cc: address@hidden
Message-Id: <address@hidden>
Reviewed-by: Christian Borntraeger <address@hidden>
Reviewed-by: David Hildenbrand <address@hidden>
Signed-off-by: Cornelia Huck <address@hidden>
---
target/s390x/diag.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target/s390x/diag.c b/target/s390x/diag.c
index acb0f3d4af..aafa740f61 100644
--- a/target/s390x/diag.c
+++ b/target/s390x/diag.c
@@ -130,7 +130,7 @@ out:
}
return;
default:
- hw_error("Unhandled diag308 subcode %" PRIx64, subcode);
+ s390_program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO, ra);
break;
}
}
--
2.17.2
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