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s390x/cpumodel: default enable bpb and ppa15 for z196 and later 

Most systems and host kernels provide the necessary building blocks for
bpb and ppa15. We can reverse the logic and default enable those
features, while still allowing to disable it via cpu model.

So let us add bpb and ppa15 to z196 and later default CPU model for the
qemu 3.0 machine. (like -cpu z13).  Older machine types (e.g.
s390-ccw-virtio-2.12) will retain the old value and not provide those
bits in the default model.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <20180626123830.18282-1-borntraeger@de.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
Christian Borntraeger 2018-06-26 14:38:30 +02:00 committed by Cornelia Huck
parent 0f0f8b611e
commit 8727315111
2 changed files with 4 additions and 0 deletions
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2
hw/s390x/s390-virtio-ccw.c
View File

@ -824,6 +824,8 @@ DEFINE_CCW_MACHINE(3_0, "3.0", true);
static void ccw_machine_2_12_instance_options(MachineState *machine)
{
ccw_machine_3_0_instance_options(machine);
s390_cpudef_featoff_greater(11, 1, S390_FEAT_PPA15);
s390_cpudef_featoff_greater(11, 1, S390_FEAT_BPB);
}
static void ccw_machine_2_12_class_options(MachineClass *mc)

2
target/s390x/gen-features.c
View File

@ -512,6 +512,8 @@ static uint16_t default_GEN11_GA1[] = {
S390_FEAT_IPTE_RANGE,
S390_FEAT_ACCESS_EXCEPTION_FS_INDICATION,
S390_FEAT_GROUP_MSA_EXT_4,
S390_FEAT_PPA15,
S390_FEAT_BPB,
};
#define default_GEN11_GA2 EmptyFeat