From: Detlev Zundel <dzu@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] U-boot and Mathematical Library
Date: Wed, 30 Jul 2008 16:54:42 +0200 [thread overview]
Message-ID: <m2prove825.fsf@ohwell.denx.de> (raw)
In-Reply-To: <488EDB77.5040107@free.fr> (Albert ARIBAUD's message of "Tue, 29 Jul 2008 10:57:27 +0200")
Hi,
> Vincenzo Scianni a ?crit :
>> Hi to everyone.
>>
>> I have a general question: my need is to use u-boot to initialize a
>> PowerPC 5123 and then to continue with a custom kernel without Linux.
>> The problem is that during initialization I must drive very early a
>> graphical controller by PCI to show some logos and I need of
>> mathematical library;
>
> What kind of logo display requires math? You're going to display a
> bitmap probably, so the only math involved would be integer arithmetic,
> I think. And if you have a logo in vector form, then you can convert it
> to bitmap (adapted to your FB format) offline and link the bitmap from,
> not the vector, in u-boot.
Check the splashscreen support already in place (CONFIG_CMD_BMP). It
supports BMPs.
Cheers
Detlev
--
It was actually a very beautiful thing to see a sunrise, cause' that's
such a calm time of day. It's a wonderful time of day to get ready to
go to bed.
-- Richard M. Stallman
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-40 Fax: (+49)-8142-66989-80 Email: dzu at denx.de
prev parent reply other threads:[~2008-07-30 14:54 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-29 7:20 [U-Boot-Users] U-boot and Mathematical Library Vincenzo Scianni
2008-07-29 8:57 ` Albert ARIBAUD
2008-07-30 14:54 ` Detlev Zundel [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=m2prove825.fsf@ohwell.denx.de \
--to=dzu@denx.de \
--cc=u-boot@lists.denx.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.