On Thu, Dec 15, 2011 at 05:20:13PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote: > On 16:27 Thu 15 Dec , Sascha Hauer wrote: > > On Thu, Dec 15, 2011 at 02:33:17PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote: > > > On 11:30 Thu 15 Dec , Sascha Hauer wrote: > > > > Provide a new API for accessing uImages which makes it easy > > > > for commands to open images, verify them, load to (free) sdram > > > > regions and show information about uImages. > > > > > > > > - We now do not load the image to malloced space anymore. > > > > - The data in the header is now stored in cpu native endianess > > > > after uimage_open which makes it easy to access the header data. > > > > - uImage can be loaded to dynamically allocated sdram regions. > > > > > > > > Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> > > > I was more think of a filesystem > > > > > > so we can execute an embedded script > > > > You can still do with "uimage -e script myimage; ./script" > > > > I thought about the filesystem approach and I came to the conclusion > > that this is not really what we want for booting. While it definitely > > has charm when we can mount a uImage and just work on the included file > > we would loose the meta data in this case. We could create the metadata > > in form of files, maybe like this: > > > > # mount uImage uimage /mnt > > # ls /mnt > > /mnt/image0 > > /mnt/image1 > > /mnt/entrypoint > > /mnt/loadaddress > > > > But these files would be hard to work on and also would not have > > the 'uImage is just another image handled by bootm' facility. > I get a first patch that do this but not finished > > no my idea why a new falicity as all the image could be mouted in my mind > > and maybe use an ioctl to get the metadata We could add this later if it turns out to be useful. > > and we could map it This only helps on devices which we can physically map into memory. NOR flash seems to become more the exception than the rule. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
