On 9 September 2014 20:20, Peter Maydell <peter.mayd...@linaro.org> wrote: > On 5 September 2014 16:15, Ard Biesheuvel <ard.biesheu...@linaro.org> wrote: >> From: Peter Maydell <peter.mayd...@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.mayd...@linaro.org> >> Reviewed-by: Paolo Bonzini <pbonz...@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. >
You mean having to use -pflash and pad the images out to 64 MB? I wouldn't worry about that.