On Mon, Jun 07, 2021 at 02:58:42PM +0100, Daniel P. Berrangé wrote:
> This script is what is used to generate the docs data table in:
>
> docs/system/cpu-models-x86-abi.csv
>
> It can be useful to run if adding new CPU models / versions and
> the csv needs updating.
>
> Signed-off-by: Daniel P. Berrangé <berra...@redhat.com>
> ---
> scripts/cpu-x86-uarch-abi.py | 194 +++++++++++++++++++++++++++++++++++
> 1 file changed, 194 insertions(+)
> create mode 100644 scripts/cpu-x86-uarch-abi.py
Sorry I messed up just before sending this when I deleted some
code and incorrectly fixed up argv handling. Since you mentioned
you've queued it, it needs two changes
>
> diff --git a/scripts/cpu-x86-uarch-abi.py b/scripts/cpu-x86-uarch-abi.py
> new file mode 100644
> index 0000000000..08acc52a81
> --- /dev/null
> +++ b/scripts/cpu-x86-uarch-abi.py
> @@ -0,0 +1,194 @@
> +#!/usr/bin/python3
> +#
> +# SPDX-License-Identifier: GPL-2.0-or-later
> +#
> +# A script to generate a CSV file showing the x86_64 ABI
> +# compatibility levels for each CPU model.
> +#
> +
> +from qemu import qmp
> +import sys
> +
> +if len(sys.argv) != 1:
s/1/2/
> + print("syntax: %s QMP-SOCK\n\n" % __file__ +
> + "Where QMP-SOCK points to a QEMU process such as\n\n" +
> + " # qemu-system-x86_64 -qmp unix:/tmp/qmp,server,nowait " +
> + "-display none -accel kvm", file=sys.stderr)
> + sys.exit(1)
> +
> +# Mandatory CPUID features for each microarch ABI level
> +levels = [
> + [ # x86-64 baseline
> + "cmov",
> + "cx8",
> + "fpu",
> + "fxsr",
> + "mmx",
> + "syscall",
> + "sse",
> + "sse2",
> + ],
> + [ # x86-64-v2
> + "cx16",
> + "lahf-lm",
> + "popcnt",
> + "pni",
> + "sse4.1",
> + "sse4.2",
> + "ssse3",
> + ],
> + [ # x86-64-v3
> + "avx",
> + "avx2",
> + "bmi1",
> + "bmi2",
> + "f16c",
> + "fma",
> + "abm",
> + "movbe",
> + ],
> + [ # x86-64-v4
> + "avx512f",
> + "avx512bw",
> + "avx512cd",
> + "avx512dq",
> + "avx512vl",
> + ],
> +]
> +
> +# Assumes externally launched process such as
> +#
> +# qemu-system-x86_64 -qmp unix:/tmp/qmp,server,nowait -display none -accel
> kvm
> +#
> +# Note different results will be obtained with TCG, as
> +# TCG masks out certain features otherwise present in
> +# the CPU model definitions, as does KVM.
> +
> +
> +sock = sys.argv[1]
> +cmd = sys.argv[2]
Delete this line since sys.argv[2] is not required
> +shell = qmp.QEMUMonitorProtocol(sock)
> +shell.connect()
> +
> +models = shell.cmd("query-cpu-definitions")
Regards,
Daniel
--
|: https://berrange.com -o- https://www.flickr.com/photos/dberrange :|
|: https://libvirt.org -o- https://fstop138.berrange.com :|
|: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|
