Re: [DistroKit] [PATCH 5/5] v8a: barebox: add a boot target for fastboot loaded image files

["Jan Lübbe" <jlu@pengutronix.de>]

On Tue, 2023-06-06 at 16:47 +0200, Ahmad Fatoum wrote:
> On 06.06.23 16:31, Johannes Zink wrote:
> > This allows to boot a kernel with dtb and initrd entirely from RAM after
> > loading it via Android Fastboot by simply calling 'boot fastboot'.
> > 
> > Signed-off-by: Johannes Zink <j.zink@pengutronix.de>
> > ---
> >  configs/platform-v8a/barebox-common-defaultenv/boot/fastboot | 7 +++++++
> >  1 file changed, 7 insertions(+)
> > 
> > diff --git a/configs/platform-v8a/barebox-common-defaultenv/boot/fastboot b/configs/platform-v8a/barebox-common-defaultenv/boot/fastboot
> > new file mode 100755
> > index 000000000000..a06414d582bf
> > --- /dev/null
> > +++ b/configs/platform-v8a/barebox-common-defaultenv/boot/fastboot
> > @@ -0,0 +1,7 @@
> > +#!/bin/sh
> > +
> > +global.bootm.image=/tmp/kernel
> > +global.bootm.initrd=/tmp/initramfs
> > +global.bootm.oftree=/tmp/oftree
> > +
> > +global.linux.bootargs.dyn.root="rdinit=/sbin/init root=/dev/ram"
> 
> Isn't rdinit=/sbin/init the default?

rd=/init is the defaut. root=/dev/ram is not needed, AFAIR, it's for initrd, not
initramfs.

Also, we could add a symlink /init -> /sbin/init, which would simplify using
this initramfs with a bootloaders not passing the correct cmdline.

Jan
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