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From: Peter Maydell <peter.maydell@linaro.org>
To: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Fu Wei <fu.wei@linaro.org>,
	Peter Crosthwaite <peter.crosthwaite@xilinx.com>,
	QEMU Developers <qemu-devel@nongnu.org>,
	Christoffer Dall <christoffer.dall@linaro.org>
Subject: Re: [Qemu-devel] [PATCH 1/6] hw/arm/virt: Provide flash devices for boot ROMs
Date: Tue, 9 Sep 2014 19:20:40 +0100	[thread overview]
Message-ID: <CAFEAcA8FxV1-miGLumDjiecFrkxBj2tQVm3XFp4jmkMDKt9wJw@mail.gmail.com> (raw)
In-Reply-To: <1409930126-28449-2-git-send-email-ard.biesheuvel@linaro.org>

On 5 September 2014 16:15, Ard Biesheuvel <ard.biesheuvel@linaro.org> wrote:
> From: Peter Maydell <peter.maydell@linaro.org>
>
> Add two flash devices to the virt board, so that it can be used for
> running guests which want a bootrom image such as UEFI. We provide
> two flash devices to make it more convenient to provide both a
> read-only UEFI image and a read-write place to store guest-set
> UEFI config variables. The '-bios' command line option is set up
> to provide an image for the first of the two flash devices.
>
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>  hw/arm/virt.c | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 70 insertions(+)

This one's been around long enough that I'm going to add
it to target-arm.next now.

There were previously questions about whether we should
have flash or RAM at the bottom, but I think it makes
sense just to have a "like vexpress" config with two
flash devices. This does make telling QEMU about backing
storage for the 2nd flash a little complicated, but I
think anybody seriously running a config like that will
be using the management tools layer anyhow.

thanks
-- PMM

  reply	other threads:[~2014-09-09 18:21 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-05 15:15 [Qemu-devel] [PATCH 0/6] ARM: -bios/-kernel + DTB boot roundup Ard Biesheuvel
2014-09-05 15:15 ` [Qemu-devel] [PATCH 1/6] hw/arm/virt: Provide flash devices for boot ROMs Ard Biesheuvel
2014-09-09 18:20   ` Peter Maydell [this message]
2014-09-10  9:09     ` Ard Biesheuvel
2014-09-10  9:12       ` Peter Maydell
2014-09-10 10:27         ` Ard Biesheuvel
2014-09-05 15:15 ` [Qemu-devel] [PATCH 2/6] hw/arm/boot: return size of loaded DTB from load_dtb() Ard Biesheuvel
2014-09-09 17:57   ` Peter Maydell
2014-09-05 15:15 ` [Qemu-devel] [PATCH 3/6] hw/arm/boot: load device tree to base of DRAM if no -kernel option was passed Ard Biesheuvel
2014-09-09 18:02   ` Peter Maydell
2014-09-05 15:15 ` [Qemu-devel] [PATCH 4/6] hw/arm/boot: register cpu reset handlers if using -bios Ard Biesheuvel
2014-09-09 18:14   ` Peter Maydell
2014-09-17 15:50     ` Ard Biesheuvel
2014-09-17 15:55       ` Andreas Färber
2014-09-17 16:17         ` Peter Maydell
2014-09-17 16:40           ` Andreas Färber
2014-09-17 16:47             ` Peter Maydell
2014-09-17 17:14               ` Andreas Färber
2014-09-17 22:05                 ` Ard Biesheuvel
2014-09-05 15:15 ` [Qemu-devel] [PATCH 5/6] hw/arm/boot: load DTB as a ROM image Ard Biesheuvel
2014-09-09 18:03   ` Peter Maydell
2014-09-05 15:15 ` [Qemu-devel] [PATCH 6/6] hw/arm/boot: enable DTB support when booting ELF images Ard Biesheuvel
2014-09-05 16:42   ` Ard Biesheuvel
2014-09-09 18:08   ` Peter Maydell
2014-09-09 18:15     ` Ard Biesheuvel
2014-09-09 18:17       ` Peter Maydell
2014-09-09 18:20         ` Ard Biesheuvel

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