Re: [Qemu-arm] [PATCH v3 0/6] arm: support -cpu max (and gic-version=max)

[Peter Maydell]

On 9 March 2018 at 13:52, Alex Bennée <address@hidden> wrote:
>
> Peter Maydell <address@hidden> 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