From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Roese Date: Tue, 8 Jan 2008 14:27:56 +0100 Subject: [U-Boot-Users] Do we enable Interrupts in U-Boot? In-Reply-To: <7f245da80801080452p3c939977i649b5ecede367348@mail.gmail.com> References: <7f245da80801080411g4f8e4f82xdb0f6271a8b20f5a@mail.gmail.com> <200801081334.49170.sr@denx.de> <7f245da80801080452p3c939977i649b5ecede367348@mail.gmail.com> Message-ID: <200801081427.56350.sr@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Tuesday 08 January 2008, Chetan Nanda wrote: > In that case there must be some threads that continuously check for > pending requests from UART, ETHERNET or so .. Threads? U-Boot is not an full blown OS. No threads are needed in this bootloader. > But I don't find any sort of threading inside u-boot code U-Boot "sits" there and waits for some input from the console, or for an ethernet reply packet. This can be done using polling without any performance penalty. Best regards, Stefan ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: office at denx.de =====================================================================