[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Let's remove some deprecated stuff
From: |
Alistair Francis |
Subject: |
Re: Let's remove some deprecated stuff |
Date: |
Mon, 3 May 2021 11:41:18 +1000 |
On Thu, Apr 29, 2021 at 8:00 PM Markus Armbruster <armbru@redhat.com> wrote:
>
> If you're cc'ed, you added a section to docs/system/deprecated.rst that
> is old enough to permit removal. This is *not* a demand to remove, it's
> a polite request to consider whether the time for removal has come.
> Extra points for telling us in a reply. "We should remove, but I can't
> do it myself right now" is a valid answer. Let's review the file:
>
> System emulator command line arguments
> --------------------------------------
>
> Kővágó, Zoltán:
>
> ``QEMU_AUDIO_`` environment variables and ``-audio-help`` (since 4.0)
> '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
>
> The ``-audiodev`` argument is now the preferred way to specify audio
> backend settings instead of environment variables. To ease migration to
> the new format, the ``-audiodev-help`` option can be used to convert
> the current values of the environment variables to ``-audiodev`` options.
>
> Kővágó, Zoltán:
>
> Creating sound card devices and vnc without ``audiodev=`` property (since
> 4.2)
>
> ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
>
> When not using the deprecated legacy audio config, each sound card
> should specify an ``audiodev=`` property. Additionally, when using
> vnc, you should specify an ``audiodev=`` property if you plan to
> transmit audio through the VNC protocol.
>
> Gerd Hoffmann:
>
> Creating sound card devices using ``-soundhw`` (since 5.1)
> ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
>
> Sound card devices should be created using ``-device`` instead. The
> names are the same for most devices. The exceptions are ``hda`` which
> needs two devices (``-device intel-hda -device hda-duplex``) and
> ``pcspk`` which can be activated using ``-machine
> pcspk-audiodev=<name>``.
>
> [...]
>
> Alistair Francis:
>
> RISC-V ``-bios`` (since 5.1)
> ''''''''''''''''''''''''''''
>
> QEMU 4.1 introduced support for the -bios option in QEMU for RISC-V for
> the
> RISC-V virt machine and sifive_u machine. QEMU 4.1 had no changes to the
> default behaviour to avoid breakages.
>
> QEMU 5.1 changes the default behaviour from ``-bios none`` to ``-bios
> default``.
>
> QEMU 5.1 has three options:
> 1. ``-bios default`` - This is the current default behavior if no -bios
> option
> is included. This option will load the default OpenSBI firmware
> automatically.
> The firmware is included with the QEMU release and no user
> interaction is
> required. All a user needs to do is specify the kernel they want to
> boot
> with the -kernel option
> 2. ``-bios none`` - QEMU will not automatically load any firmware. It is
> up
> to the user to load all the images they need.
> 3. ``-bios <file>`` - Tells QEMU to load the specified file as the
> firmwrae.
>
This has already been acted upon in the code, we now default to
including a "bios" with RISC-V softmmu which is what this is
describing.
Do we need to take any action to indicate that it's already in effect?
Alistair
- Re: Let's remove some deprecated stuff,
Alistair Francis <=