[flashrom] Reading the GPU ROM on a mid-2014 15" rMBP from Linux/Mac

Ry ryanblonna3 at gmail.com
Mon Jun 22 08:13:58 CEST 2015


Hi,

I wanted to ask if there is a way to read the GPU ROM from my mid-2014 rMBP
from within the OS. I am trying to enable VGA passthrough on it using
KVM-QEMU, and I am needing to pass a ROM file to the QEMU command line
parameters. I have documented my progress on the Arch Linux forums here:
https://bbs.archlinux.org/viewtopic.php?id=197361.

Things I have tried so far to read the GPU ROM:
1. From Arch, `echo 1 > <path-to-pci-devic                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                tent-Type: multipart/alternative; boundary=047d7b5d86a5ccfc6b0519179e21
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Subject: Re: [flashrom] Libflashrom draft patch - initial review
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Hello,

First I would like to thank you all very much for all your insights and
help! Anton thank you for sharing your patch, this is very useful.I agree
with all what Urja and Stefan wrote.

@Stefan Tauner - Regarding github: I was not aware that you have flashrom
repository on your github account. Of course I will fork repo from your
account and split changes into few patches. Thank you for pointing this out.


> Please repost your changes in a more reviewable manner, thanks.
>

Sorry for that, I will apply changes and post patch(es) in a correct way.

Regards,
Lukasz Dmitrowski

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<div dir=3D"ltr">Hello,<div><br></div><div>First I would like to thank you =
all very much for all your insights and help! Anton thank you for sharing y=
our patch, this is very useful.I agree with all what Urja and Stefan wrote.=
</div><div><div class=3D"gmail_extra"><div class=3D"gmail_quote"><div><br><=
/div><div>@Stefan Tauner - Regarding github: I was not aware that you have =
flashrom repository on your github account. Of course I will fork repo from=
 your account and split changes into few patches. Thank you for pointing th=
is out.</div><div><br></div><blockquote class=3D"gmail_quote" style=3D"marg=
in:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
Please repost your changes in a more reviewable manner, thanks.<br></blockq=
uote><div><br></div><div>Sorry for that, I will apply changes and post patc=
h(es) in a correct way.</div><div><br></div><div>Regards,</div><div>Lukasz =
Dmitrowski=C2=A0</div></div><br></div></div></div>

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