From: Richard Henderson <rth@twiddle.net>
To: David Hildenbrand <david@redhat.com>, qemu-devel@nongnu.org
Cc: qemu-s390x@nongnu.org, Thomas Huth <thuth@redhat.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Cornelia Huck <cohuck@redhat.com>, Alexander Graf <agraf@suse.de>
Subject: Re: [Qemu-devel] [PATCH v2 4/9] s390x/tcg: support flags for instructions
Date: Thu, 30 Aug 2018 12:13:18 -0700 [thread overview]
Message-ID: <f1e1d763-146e-5467-f351-8da03432d40c@twiddle.net> (raw)
In-Reply-To: <20180830122756.13991-5-david@redhat.com>
On 08/30/2018 05:27 AM, David Hildenbrand wrote:
> Storing flags for instructions allows us to efficiently verify certain
> properties at a central point. Examples might later be handling if
> AFP is disabled in CR0, we are not in problem state, or if vector
> instructions are disabled in CR0.
>
> Signed-off-by: David Hildenbrand <david@redhat.com>
> ---
> target/s390x/insn-data.def | 3 +++
> target/s390x/translate.c | 22 ++++++++++++++++------
> 2 files changed, 19 insertions(+), 6 deletions(-)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
r~
next prev parent reply other threads:[~2018-08-30 19:13 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-30 12:27 [Qemu-devel] [PATCH v2 0/9] s390x: instruction flags and AFP registers for TCG David Hildenbrand
2018-08-30 12:27 ` [Qemu-devel] [PATCH v2 1/9] s390x: move tcg_s390_program_interrupt() into TCG code and mark it noreturn David Hildenbrand
2018-08-30 19:06 ` Richard Henderson
2018-08-30 12:27 ` [Qemu-devel] [PATCH v2 2/9] s390x/tcg: factor out and fix DATA exception injection David Hildenbrand
2018-08-30 19:12 ` Richard Henderson
2018-08-30 12:27 ` [Qemu-devel] [PATCH v2 3/9] s390x/tcg: store in the TB flags if AFP is enabled David Hildenbrand
2018-08-30 12:27 ` [Qemu-devel] [PATCH v2 4/9] s390x/tcg: support flags for instructions David Hildenbrand
2018-08-30 19:13 ` Richard Henderson [this message]
2018-08-30 12:27 ` [Qemu-devel] [PATCH v2 5/9] s390x/tcg: add instruction flags for floating point instructions David Hildenbrand
2018-08-30 19:45 ` Richard Henderson
2018-08-30 12:27 ` [Qemu-devel] [PATCH v2 6/9] s390x/tcg: check for AFP-register, BFP and DFP data exceptions David Hildenbrand
2018-08-30 19:43 ` Richard Henderson
2018-08-30 12:27 ` [Qemu-devel] [PATCH v2 7/9] s390x/tcg: handle privileged instructions via flags David Hildenbrand
2018-08-30 19:48 ` Richard Henderson
2018-08-30 12:27 ` [Qemu-devel] [PATCH v2 8/9] s390x/tcg: fix FP register pair checks David Hildenbrand
2018-08-30 19:55 ` Richard Henderson
2018-08-30 12:27 ` [Qemu-devel] [PATCH v2 9/9] s390x/tcg: refactor specification checking David Hildenbrand
2018-08-30 19:57 ` Richard Henderson
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