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Date: Sat, 01 Feb 2014 22:19:57 +0100
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Subject: Re: [Qemu-devel] osx bootloader
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To: BALATON Zoltan <balaton@eik.bme.hu>, "Gabriel L. Somlo" <gsomlo@gmail.com>
Cc: Alexander Graf <agraf@suse.de>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>

Il 01/02/2014 01:38, BALATON Zoltan ha scritto:
>
>> I managed to boot OVMF following their wiki; It seems to work with kvm
>> enabled, but not with -M q35. My current command line is:
>
> I've tried with the version compiled from the edk2 HEAD and that also
> fails with -M q35. I've managed to get some debug output via the options
> described in OVMF's readme file and the error is around where
> initialising the graphics card. With q35 it stops with:
>
> ASSERT .../edk2/MdePkg/Library/BaseIoLibIntrinsic/IoLibGcc.c(163): (Port
> & 3) == 0
>
> This function is IoRead32 and it says the port must be 32-bit aligned.
> I've tried to find what port it tries to access but qemu -d ioport
> option generates no output for me. Any hints on how to use this debug
> option of qemu?

The firmware has to be ported to each new chipset.

OVMF was never ported to anything but PIIX.

Paolo