[U-Boot] add default-option to bootmenu

[Frank Wunderlich]

attached Patch to check if active menuitem is inside menu

regards Frank

> Gesendet: Samstag, 01. Dezember 2018 um 13:41 Uhr
> Von: "Frank Wunderlich" <frank-w at public-files.de>
> An: "Tom Rini" <trini at konsulko.com>
> Cc: u-boot at lists.denx.de
> Betreff: Re: [U-Boot] add default-option to bootmenu
>
> thank you
> 
> as a small improvement (i've recently experienced), menu->active should be checked against menu->count (at the end of bootmenu_create), else it can be "outside" of the menu and selection is not visible till menu->active is below menu->count.
> 
> http://git.denx.de/?p=u-boot.git;a=blob;f=cmd/bootmenu.c;h=979ac4a638df48b9552feb82dd80ddbe74e69b8e;hb=f7bb20a53e829ce0b4d3c22c704e80b490d24016#l353
> 
> but i'm not 100% sure, how to handle it correctly, so i post it for discussion
> 
> because menu->active is initialized with 0 my preferred version is this:
> 
> if (menu->active >= menu->count)
>   menu->active=0; //or any other value below menu->count (maybe a const set by boardconfig, but this can also be outside the menu, so 0 is imho better)
> 
> this is a user-configured environment-var so it is not a big problem :) but a simple check avoids this issue
> 
> regards Frank
> 
> > Gesendet: Dienstag, 27. November 2018 um 19:47 Uhr
> > Von: "Tom Rini" <trini at konsulko.com>
> > An: "Frank Wunderlich" <FrankWu at gmx.de>
> > Cc: u-boot at lists.denx.de
> > Betreff: Re: [U-Boot] add default-option to bootmenu
> >
> > On Fri, Oct 05, 2018 at 11:58:39AM +0200, Frank Wunderlich wrote:
> > 
> > > >From 6304b2ee2d2e9be47672d3559fee8d879b7328ff Mon Sep 17 00:00:00 2001
> > > From: Frank Wunderlich <frank-w at public-files.de>
> > > Date: Fri, 5 Oct 2018 11:41:59 +0200
> > > Subject: [PATCH] add default-option to bootmenu
> > > with this patch the selected Entry in bootmenu can be set by
> > > environment-var bootmenu_default=<number>
> > > Signed-off-by: Frank Wunderlich <frank-w at public-files.de>
> > 
> > Applied to u-boot/master, thanks!
> > 
> > -- 
> > Tom
> > 
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