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Re: [Qemu-devel] [PATCH 2/2] s390x/cpumodel: z14 cpu models
From: |
Cornelia Huck |
Subject: |
Re: [Qemu-devel] [PATCH 2/2] s390x/cpumodel: z14 cpu models |
Date: |
Tue, 18 Jul 2017 10:07:56 +0200 |
On Mon, 17 Jul 2017 18:58:26 +0200
Christian Borntraeger <address@hidden> wrote:
> From: "Jason J. Herne" <address@hidden>
>
> This patch introduces the CPU model for z14, along with all base and
> optional features.
>
> Signed-off-by: Jason J. Herne <address@hidden>
> Acked-by: Christian Borntraeger <address@hidden>
> Signed-off-by: Christian Borntraeger <address@hidden>
> ---
> target/s390x/cpu_models.c | 1 +
> target/s390x/gen-features.c | 38 ++++++++++++++++++++++++++++++++++++++
> 2 files changed, 39 insertions(+)
>
> @@ -442,6 +450,23 @@ static uint16_t full_GEN13_GA1[] = {
>
> #define full_GEN13_GA2 EmptyFeat
>
> +static uint16_t full_GEN14_GA1[] = {
> + S390_FEAT_INSTRUCTION_EXEC_PROT,
> + S390_FEAT_GUARDED_STORAGE,
> + S390_FEAT_VECTOR_PACKED_DECIMAL,
> + S390_FEAT_VECTOR_ENH,
> + S390_FEAT_MULTIPLE_EPOCH,
> + S390_FEAT_TEST_PENDING_EXT_INTERRUPTION,
Quick question: Is this a new instruction that does for external
interrupts what tpi does for I/O interrupts? If yes, is this an
intercept in kvm?
> + S390_FEAT_INSERT_REFERENCE_BITS_MULT,
> + S390_FEAT_GROUP_MSA_EXT_6,
> + S390_FEAT_GROUP_MSA_EXT_7,
> + S390_FEAT_GROUP_MSA_EXT_8,
> + S390_FEAT_CMM_NT,
> + S390_FEAT_HPMA2,
> + S390_FEAT_SIE_KSS,
> + S390_FEAT_ORDER_PRESERVING_COMPRESSION,
> +};
> +
> /* Default features (in order of release)
> * Automatically includes corresponding base features.
> * Default features are all features this version of QEMU supports for this