From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jerry Van Baren Date: Thu, 19 Feb 2009 09:18:28 -0500 Subject: [U-Boot] flow of u-boot In-Reply-To: <22100933.post@talk.nabble.com> References: <22100519.post@talk.nabble.com> <20090219135214.97076832E43F@gemini.denx.de> <22100933.post@talk.nabble.com> Message-ID: <499D6A34.4090208@ge.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de ABIRAMA SUNDARI wrote: > hi > thanks for your answer. but i am getting you properly.pls tell me the > things in detail.....(what you meant by _start ). _start is a label in the source code. You need to understand what happens when you release your processor from reset: how and where it starts executing code. In terms of u-boot software, the processor will start executing at the _start label (note that u-boot supports many different processors, all different in how they start running). In terms of detail, the detail _is_ the source code and having us retype it in email isn't useful. > pls help me ...bcaz i am a fresher for this field... You will have to read u-boot source and your processor's Reference Manual, learn, and through that achieve understanding. It is a zen thing. There is no magic shortcut to the zen of understanding. Sorry. Best regards, gvb > wd wrote: >> Dear ABIRAMA SUNDARI, >> >> In message <22100519.post@talk.nabble.com> you wrote: >>> can any one know what is the actuall flow of u-boot (ie) execution >>> sequence. >>> pls help me.... >> It starts at the reset entry point, i. e. _start, and then follows the >> branches... >> >> 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 >> There are two kinds of people, those who do the work and those who >> take the credit. Try to be in the first group; there is less >> competition there. - Indira Gandhi >> _______________________________________________ >> U-Boot mailing list >> U-Boot at lists.denx.de >> http://lists.denx.de/mailman/listinfo/u-boot >> >> >