[arch-releng] [PATCH 1/1] concatenate initramfs images for early microcode update

[Christian Hesse]

Gerardo Exequiel Pozzi <vmlinuz386 at gmail.com> on Wed, 2014/10/29 11:35:
> On 10/29/2014 11:02 AM, list at eworm.de wrote:
> > From: Christian Hesse <mail at eworm.de>
> > 
> > https://www.kernel.org/doc/Documentation/x86/early-microcode.txt
> > ---
> >  configs/releng/build.sh | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/configs/releng/build.sh b/configs/releng/build.sh
> > index 07ff911..8b6beee 100755
> > --- a/configs/releng/build.sh
> > +++ b/configs/releng/build.sh
> > @@ -90,7 +90,7 @@ make_customize_airootfs() {
> >  # Prepare kernel/initramfs ${install_dir}/boot/
> >  make_boot() {
> >      mkdir -p ${work_dir}/iso/${install_dir}/boot/${arch}
> > -    cp ${work_dir}/${arch}/airootfs/boot/archiso.img
> > ${work_dir}/iso/${install_dir}/boot/${arch}/archiso.img
> > +    cat ${work_dir}/${arch}/airootfs/boot/intel-ucode.img
> > ${work_dir}/${arch}/airootfs/boot/archiso.img >
> > ${work_dir}/iso/${install_dir}/boot/${arch}/archiso.img
> 
> This does not look good. archiso.img is compressed, while
> intel-ucode.img is uncompressed.

Both of these are cpio archives. So what's wrong?

# file initramfs-linux.img intel-ucode.img 
initramfs-linux.img: ASCII cpio archive (SVR4 with no CRC)
intel-ucode.img:     ASCII cpio archive (SVR4 with no CRC)
 
> >      cp ${work_dir}/${arch}/airootfs/boot/vmlinuz-linux
> > ${work_dir}/iso/${install_dir}/boot/${arch}/vmlinuz }
-- 
main(a){char*c=/*    Schoene Gruesse                         */"B?IJj;MEH"
"CX:;",b;for(a/*    Chris           get my mail address:    */=0;b=c[a++];)
putchar(b-1/(/*               gcc -o sig sig.c && ./sig    */b/42*2-3)*42);}
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