[U-Boot] boot-up time optimization. Where to start?

Simon Schwarz
2011-04-28T08:12:38Z

Thank you all! That was more than I expected!

2011/4/27 Wolfgang Denk <wd@denx.de>

> Dear Charles Krinke,
>
> please keep the mailing list on Cc:
>
> In message <BANLkTimQzo7mMMb0DjqX0c78pcNHnDXPLg@mail.gmail.com> you wrote:
> >
> > Also, please help me understand if this is not true, but the notion of
> > stdin, stdout, stderr predates lcd displays back to when all
> communication
> > with a computer was via a teletype on a serial port.
>
> I'm not sure what exactly you mean here.
>
> Stdin, stdout, and stderr are first of all terms that relate to the
> standard C library, more precisely to it's implementation of standard
> I/O streams. This has obviously little to do with U-Boot itself.
>
> In U-Boot's terminology we use these names as references to I/O
> channels which can be assigned to different devices. Such devices may
> be serial or network ports (for input and output), keyboards (input
> only), LCD screens or other video adapters (output only).
>
> > So, I think that stdin, stdout and stderr are still very much appropriate
> in
> > a non-lcd environment.
>
> "lcd environment" or "non-lcd environment" is not really related at
> all to these terms.
>
> > On Apr 27, 2011 12:09 PM, "Wolfgang Denk" <wd@denx.de> wrote:
> > > Dear Alexander Stein,
> ...
>
> Please don't top-post / full quote. You may want to read
> http://www.netmeister.org/news/learn2quote.html
>
> > Content-Type: text/html; charset=UTF-8
> > Content-Transfer-Encoding: quoted-printable
>
> And never, never ever send HTML. Always send plain text only.
>
> Thanks.
>
> Best regards,
>
> Wolfgang Denk
>
> --
> DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
> The Gates in my computer are AND, OR and NOT; they are not Bill.
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