Re: [U-Boot] Combine zImage and rootfs in single uImage
Dear Grant Edwards, In message jpgbbm$1hk$1...@dough.gmane.org you wrote: Currently, I build a linux kernel that contains the root fileystem in the zImage file, when then gets converted into a uImage and booted from NAND flash. This is all working fine, but having the kernel build depend on the rootfs build is a problem. In another mailing list, somebody told me that if I was using U-Boot, I could build the zImage and rootfs separately and then combine them into a single uImage file for distribution. The (deprecated) old style way (using legacy image format) is called multi-file images. The modern, recommended way to do things like this is using FIT images. See the respective documentation. 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: w...@denx.de Cleverness and Style have no place in getting a project completed. -- Tom Christiansen ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] Combine zImage and rootfs in single uImage
On 2012-05-22, Wolfgang Denk w...@denx.de wrote: In message jpgbbm$1hk$1...@dough.gmane.org Grant Edwards wrote: [...] somebody told me that if I was using U-Boot, I could build the zImage and rootfs separately and then combine them into a single uImage file for distribution. The (deprecated) old style way (using legacy image format) is called multi-file images. The modern, recommended way to do things like this is using FIT images. See the respective documentation. Thanks! All our build/update infrastcture expects the uImage legacy image format, so I'm going to stick with the multi-file uImage format for now. FWIW, I couldn't find any documentation for FIT images (it's not mentioned in in either FAQs, Table of Contents, or Index), and various google searches didn't find anything except old mailing list messages. Having the manual chopped up into hundreds of separate web pages makes impossible to search when looking for something. It would be very nice if the Manual was available as a single page. -- Grant Edwards grant.b.edwardsYow! BELA LUGOSI is my at co-pilot ... gmail.com ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] Combine zImage and rootfs in single uImage
Dear Grant, In message jpghr5$1at$1...@dough.gmane.org you wrote: FWIW, I couldn't find any documentation for FIT images (it's not mentioned in in either FAQs, Table of Contents, or Index), and various google searches didn't find anything except old mailing list messages. First, there is documentation in the doc/ directory - see the doc/uImage.FIT/ directory. Second, the man page for the mkimage command mentions it (not really extensively, though). Having the manual chopped up into hundreds of separate web pages makes impossible to search when looking for something. It would be very nice if the Manual was available as a single page. It is. It is available as single HTML, PDF and PostScript files. See section 2.3. Availability for respective links. 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: w...@denx.de If there was anything that depressed him more than his own cynicism, it was that quite often it still wasn't as cynical as real life. - Terry Pratchett, _Guards! Guards!_ ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] Combine zImage and rootfs in single uImage
On 2012-05-22, Wolfgang Denk w...@denx.de wrote: In message jpghr5$1at$1...@dough.gmane.org you wrote: FWIW, I couldn't find any documentation for FIT images (it's not mentioned in in either FAQs, Table of Contents, or Index), and various google searches didn't find anything except old mailing list messages. First, there is documentation in the doc/ directory - see the doc/uImage.FIT/ directory. Doh! I forgot to look in the source tree. Second, the man page for the mkimage command mentions it (not really extensively, though). Having the manual chopped up into hundreds of separate web pages makes impossible to search when looking for something. It would be very nice if the Manual was available as a single page. It is. It is available as single HTML, PDF and PostScript files. See section 2.3. Availability for respective links. Brilliant! I've been looking for that for a while... Thanks again, -- Grant Edwards grant.b.edwardsYow! Will it improve my at CASH FLOW? gmail.com ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
