[llvmlinux] Latest LLVMLinux Git not booting (both from build architecture and source tree)

Jason Gionta jjgionta at ncsu.edu
Mon Nov 3 17:03:27 UTC 2014

Hi Jan-Simon,

Thanks for the reply. Please don't consider my reply as anything less than
having the utmost respect for the project. I understand the large amount of
work that is going in to maintaining LLVMLinux. I am just looking to get
insight into how to get this thing booting. I assumed that the build
framework would solve this problem. While getting the setup.elf working, I
figured that compiling arch/x86/boot with gcc would solve the problem but I
couldn't find the switch do to so. Is there a simple way to force that
directory to build with gcc?

Thanks again for speedy replies.


On Mon, Nov 3, 2014 at 11:50 AM, Jan-Simon Moeller <dl9pf at gmx.de> wrote:

> Am Montag, 3. November 2014, 10:18:47 schrieb Jason Gionta:
> > Thanks for the reply. It seems your patch has fixes that are relevant.
> Why
> > aren't these part of the latest tree? I cloned the resources from
> > http://git.linuxfoundation.org/llvmlinux/kernel.git/ which is supposed
> to
> > have the latest patches. Are there other patches that need to be applied
> to
> > make a working and stable build?
> Hi Jason,
> llvmlinux is a work-in-progress tree upstreaming to linux and llvm.
> Probably it got accidently remove during the reworking of the patches for
> upstreaming. For quite some time we used gcc+gas for everything below
> arch/x86/boot , which has hidden the issue.
> I'll look into it - @David, do you think the regparm attribut + function
> wrapping can be reused upstream ?
> Best regards,
> Jan-Simon

Jason Gionta
Cyber Defense Lab
North Carolina State University
jjgionta at ncsu.edu
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