[RFC] gen-dtb-s: make metadata binary fields always little-endian

[Antony Pavlov]

On Sun, 03 Aug 2014 18:17:45 +0200
Jan Lübbe <jlu at pengutronix.de> wrote:

> Hi,
> 
> On Sat, 2014-08-02 at 09:45 +0400, Antony Pavlov wrote:
> >  
> >                 compatlen=$($FDTGET -t s "$dtb" / compatible | wc -c)
> > -               echo ".int 0x640c8005"
> > -               echo ".int " $compatlen
> > +               echo ".byte 0x05, 0x80, 0x0c, 0x64"
> > +               python -c "print(\".byte 0x%02x, 0x%02x, 0x%02x, 0x%02x\\n\" % ($compatlen & 0xff, ($compatlen >> 8) & 0xff, ($compatlen >> 16) & 0xff, ($compatlen >> 24) & 0xff))"
> 
> Rather than adding a build-time dependency on python, maybe we should
> just handle this in C?

We use sphinx for documentation generation so we already have dependency on python.

Here is an another solution:

-               echo ".int " $compatlen
+		echo ".byte " $(printf "%08x" $compatlen | sed "s/\(..\)/0x\1\n/g" | tac | xargs | sed "s/ /, /g")

-- 
Best regards,
  Antony Pavlov