On Sun, Jun 21, 2009 at 19:01, David Miller<davem@xxxxxxxxxxxxx> wrote: > From: Julian Calaby <julian.calaby@xxxxxxxxx> > Date: Sun, 21 Jun 2009 18:31:04 +1000 > >> 3. The (I assume) header is calculated slightly differently. (it uses >> 8191 for a constant in sparc64 and 4095 in sparc32) > > Those constants are essentially "PAGE_SIZE - 1". Ah, they didn't really fit the 32 / 64 bit difference here, maybe I can (eventually) pass them in from the Makefile, though I'm going to have to tell the final tool whether it's 64 bit or not anyway, so maybe it doesn't matter. >> I think that the bulk of the changes would fit under the umbrella of >> "endian fixes", and would really like to get hold of the "endian fixes >> for cross-compiles" patch from Pete Zaitcev <zaitcev@xxxxxxxxx> (CC'd) >> which was applied to arch/sparc/boot/piggyback.c (as it was at the >> time) some time in 2000. The problem is that none of the git trees I >> can find go back any further back than 2002-02-05. > > There is a history tree that goes back further at: > > git://git.kernel.org/pub/scm/linux/kernel/git/tglx/history.git It goes back to Feb 2002, that's where I ended up in my search, the only change to arch/sparc/boot/piggyback.c is the initial import on that date. >> This patch would probably apply to the sparc64 version without many >> changes, and would probably make them almost identical apart from the >> constant and extra step mentioned above. > > Yep. I've given up and am applying it manually. I'm currently trying to get the Makefile to work properly. >> I'd also really like to look at the history of this file before it was >> renamed to piggyback_32.c, however this doesn't seem to be available >> in any convenient, readily available form. There have been no >> significant changes to it apart from Sam's sparc32 / 64 merge work >> since the limit of the history I can find. > > These files haven't been touched seriously in many years. I can see that =) I'm wondering a little where Debian and Gentoo (my go-tos for sparc distros) get their images from, but I guess "if it ain't broke, don't fix it" applies to code too - I'm a little surprised that these haven't bitrotted =) (sorry for the reply condensing) On Sun, Jun 21, 2009 at 19:56, Sam Ravnborg<sam@xxxxxxxxxxxx> wrote: >> >> > I'd also really like to look at the history of this file before it was >> > renamed to piggyback_32.c, however this doesn't seem to be available >> > in any convenient, readily available form. There have been no >> > significant changes to it apart from Sam's sparc32 / 64 merge work >> > since the limit of the history I can find. >> >> These files haven't been touched seriously in many years. > > git log --follow arch/sparc/boot/piggyback_32.c is your friend. > Only patch is removal of CVS keywords. Exactly. Thanks for the help! -- Julian Calaby Email: julian.calaby@xxxxxxxxx .Plan: http://sites.google.com/site/juliancalaby/ -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
