I'm assuming you're running xenial, you have a recent version of
snapcraft installed (>= 2.4.8), your target hardware is an x86_64 box
and you have the tools necessary to build a kernel installed.
If so:
alias fdr='fakeroot debian/rules'
git clone
git://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/xenial
cd xenial
fdr clean prepare-generic
cp debian/build/build-generic/.config arch/x86/config/xenial_config
git add arch/x86/config/xenial_config
git commit -s -m "UBUNTU: import the xenial config in
arch/x86/config/xenial_config"
then create a snapcraft.yaml file:
cat > snapcraft.yaml << EOF
name: xenialkernel
version: 4.4.0
summary: A generic amd64 kernel built from source
description: This is a generic kernel for amd64 / kvm built using xenial config
type: kernel
parts:
kernel:
plugin: kernel
source: .
source-branch: master
source-type: git
kdefconfig: [xenial_config]
kconfigs:
- CONFIG_LOCALVERSION="-xenial_config"
- CONFIG_DEBUG_INFO=n
kernel-initrd-modules:
- squashfs
kernel-initrd-firmware:
- lib/firmware/e100/d101m_ucode.bin
- lib/firmware/e100/d101s_ucode.bin
- lib/firmware/e100/d102e_ucode.bin
kernel-image-target: bzImage
EOF
and finally build the kernel snap:
snapcraft -d
If you want to modify the kernel configuration, either you modify
arch/x86/config/xenial_config or you add the desired CONFIG option in
the 'kconfigs' section in snapcraft.yaml.
On Wed, May 4, 2016 at 5:17 PM, MikeB <mabnh...@gmail.com> wrote:
> I didn't get any answers when I posted this question a couple months ago...
>
> Can you add the following snapcraft examples either to this list or to
> snapcraft-examples.
>
> * Creating an Ubuntu Core kernel for amd64 with some selective config
> changes.
>
> I'm especially interested in generating a kernel that would include all the
> source, patches, and config that goes into building a "standard" Ubuntu Core
> kernel for an amd64 target.
>
> * Building a custom kernel loadable module for a given kernel that would be
> insmod'ed as part of an application snap. ie. An application snap that
> requires a custom kernel module.
>
> Thanks.
>
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--
bye,
p.
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