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Re: [Qemu-devel] [edk2] [edk2 PATCH] OvmfPkg: split the variable store t
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From: |
Paolo Bonzini |
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Subject: |
Re: [Qemu-devel] [edk2] [edk2 PATCH] OvmfPkg: split the variable store to a separate file |
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Date: |
Fri, 22 Nov 2013 10:27:33 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130923 Thunderbird/17.0.9 |
Il 21/11/2013 23:21, Laszlo Ersek ha scritto:
> Split the variable store off to a separate file when SPLIT_VARSTORE is
> defined.
>
> Even in this case, the preexistent PCDs' values don't change. Qemu must
> take care of contiguously mapping NVVARSTORE.fd + OVMF.fd so that when
> concatenated they end exactly at 4GB.
>
> Contributed-under: TianoCore Contribution Agreement 1.0
> Signed-off-by: Laszlo Ersek <address@hidden>
It's good that this is so easy to do.
The obvious question is, what happens if you only pass only OVMF.fd
(which would be less than 2MB in size, right)?
Also, I see a command line compatibility problem, especially if one
wants OVMF.fd to become the default firmware. Then, having to specify
it again on the command line would be strange.
Paolo