[PATCH v4 4/9] arm: armv7: save boot arguments

[Raymond Mao]

Hi Tom,

On Wed, 3 Jan 2024 at 14:08, Tom Rini <trini at konsulko.com> wrote:

> On Tue, Jan 02, 2024 at 02:12:29PM -0800, Raymond Mao wrote:
>
> > Save boot arguments r[0-3] into an array for handover of bloblist from
> > previous boot stage.
> >
> > Signed-off-by: Raymond Mao <raymond.mao at linaro.org>
> > ---
> > Changes in v2
> > - New patch file created for v2.
> > Changes in v3
> > - Swap value of r0 with r2.
> > Changes in v4
> > - Fix a bug when saving the boot args.
> >
> >  arch/arm/cpu/armv7/start.S | 19 +++++++++++++++++++
> >  1 file changed, 19 insertions(+)
>
> So on platforms with SAVE_PREV_BL_INITRAMFS_START_ADDR /
> SAVE_PREV_BL_FDT_ADDR we have this same logic, but in C, and it's
> working and fine, given what we do. So could we not follow the example
> of arch/arm/lib/save_prev_bl_data.c and have
> arch/arm/lib/bloblist.c and have just one implementation for arm32/64?
>
> I went through arch/arm/lib/save_prev_bl_data.c, it looks that this patch
is more
straightforward and clean for working together with arch/arm/lib/bloblist.c
to support
arm FW Handoff spec.

[...]

Thanks and regards,
Raymond