Wolfgang Denk <w...@denx.de> wrote on 03/11/2009 14:21:08: > > Dear Joakim Tjernlund, > > In message <OF0C7E2190.C549E7B4-ONC1257663.003B88C7-C1257663. > 003bf...@transmode.se> you wrote: > > > > > > HeLei <leon...@msn.com> wrote on 03/11/2009 09:21:04: > > > > > > > > Thank you, Jocke > > > > > > > - impl. a better crc32(use the one from linux) > > > > > > Attaching a very crude port of linux crc32. This boots a linux img > > > for me and handles the environment crc as well. Feel free > > > to clean it up and submit to u-boot. > > > > > > Jocke > > > > So I could not help myself, here is a better port of crc32 to u-boot. > > You will probably get at small conflict due to LINK_OFF, just remove > > the LINK_OFF stuff for now. > > Could you test and report? > > Do you have a little or big endian target? > > I understand you will resend this patch with a proper Subject: for > real review on the list?
Yes, I just wanted some external testing but this seems not to happen. > > You also might want to explain in which way this patch is "more > efficient" - in terms of memory footprint, or execution time, or > both? And by how much? Tested in which envrionment(s) ? hmm, I did this optimization many years ago for JFFS2 in linux. I don't have any numbers but I can give you some hints w.r.t number of insn in the inner loop(later though). Footprint will be higher. Jocke _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
