From mboxrd@z Thu Jan 1 00:00:00 1970 From: Detlev Zundel Date: Wed, 30 Jul 2008 16:54:42 +0200 Subject: [U-Boot-Users] U-boot and Mathematical Library In-Reply-To: <488EDB77.5040107@free.fr> (Albert ARIBAUD's message of "Tue, 29 Jul 2008 10:57:27 +0200") References: <009601c8f14b$a3da67e0$36031cac@PC625> <488EDB77.5040107@free.fr> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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