From: Peter Maydell <peter.maydell@linaro.org>
To: "Alex Bennée" <alex.bennee@linaro.org>
Cc: qemu-arm <qemu-arm@nongnu.org>,
"QEMU Developers" <qemu-devel@nongnu.org>,
"patches@linaro.org" <patches@linaro.org>,
"Igor Mammedov" <imammedo@redhat.com>,
"Philippe Mathieu-Daudé" <f4bug@amsat.org>
Subject: Re: [Qemu-devel] [PATCH v3 0/6] arm: support -cpu max (and gic-version=max)
Date: Fri, 9 Mar 2018 13:55:40 +0000 [thread overview]
Message-ID: <CAFEAcA_Px3_dnoE3cgCPwRpv-9JzoHnGceDE66BvreHi1kxbbw@mail.gmail.com> (raw)
In-Reply-To: <87zi3hjqzw.fsf@linaro.org>
On 9 March 2018 at 13:52, Alex Bennée <alex.bennee@linaro.org> wrote:
>
> Peter Maydell <peter.maydell@linaro.org> writes:
>
>> This patchset adds support for '-cpu max' to Arm, along the lines
>> of the existing support we have for x86 targets:
>>
>> * under KVM, -cpu max is the same as -cpu host
>> * under TCG, -cpu max means "emulate with as many features as
>> possible"
> <snip>
>
> It all looks good to me. The only minor problem I ran into was setting
> -M virt,gic-version=max silently hangs with the stock QEMU_EFI.fd on my
> version of Ubuntu. It would be nice if there was better feedback we
> could give to the user in this case.
Presumably that also fails if you ask for gic-version=3 ?
> It works with the latest snapshot from:
>
> http://snapshots.linaro.org/reference-platform/enterprise/firmware/15/release/qemu-aarch64/
Sounds like "earlier firmware versions didn't have gicv3 support,
later ones do" ?
thanks
-- PMM
next prev parent reply other threads:[~2018-03-09 13:56 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-08 13:06 [Qemu-devel] [PATCH v3 0/6] arm: support -cpu max (and gic-version=max) Peter Maydell
2018-03-08 13:06 ` [Qemu-devel] [PATCH v3 1/6] target/arm: Query host CPU features on-demand at instance init Peter Maydell
2018-03-08 15:53 ` Alex Bennée
2018-03-08 13:06 ` [Qemu-devel] [PATCH v3 2/6] target/arm: Move definition of 'host' cpu type into cpu.c Peter Maydell
2018-03-08 15:55 ` Alex Bennée
2018-03-08 13:06 ` [Qemu-devel] [PATCH v3 3/6] target/arm: Add "-cpu max" support Peter Maydell
2018-03-08 18:58 ` Alex Bennée
2018-03-09 16:07 ` Philippe Mathieu-Daudé
2018-03-08 13:06 ` [Qemu-devel] [PATCH v3 4/6] target/arm: Make 'any' CPU just an alias for 'max' Peter Maydell
2018-03-09 13:45 ` Alex Bennée
2018-03-09 16:48 ` Philippe Mathieu-Daudé
2018-03-08 13:06 ` [Qemu-devel] [PATCH v3 5/6] hw/arm/virt: Add "max" to the list of CPU types "virt" supports Peter Maydell
2018-03-09 13:46 ` Alex Bennée
2018-03-09 16:49 ` Philippe Mathieu-Daudé
2018-03-08 13:06 ` [Qemu-devel] [PATCH v3 6/6] hw/arm/virt: Support -machine gic-version=max Peter Maydell
2018-03-09 13:50 ` Alex Bennée
2018-03-09 13:53 ` Peter Maydell
2018-03-09 13:52 ` [Qemu-devel] [PATCH v3 0/6] arm: support -cpu max (and gic-version=max) Alex Bennée
2018-03-09 13:55 ` Peter Maydell [this message]
2018-03-09 16:59 ` Alex Bennée
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