> IP32 kernels that are built with CONFIG_BUILD_ELF64=y only produce an > exception when booted. This worked with 2.6.19 and before. I haven't > had a chance to dig deep yet but it seems both Franck Bui-Huu and > Atsushi Nemoto had patches in 2.6.20 that might have caused this. > This still happens with 2.6.22. I cannot boot current git for other > reasons. > > If anyone has an idea which specific patch might have caused this, > please let me know. Otherwise I'll try to find time in the next few > days to revert various patches. > -- > Martin Michlmayr > http://www.cyrius.com/ > Nice to know someone's still working on Linux on the O2. I can confirm that its been broken, and I had believed I was even told why by Kumba http://www.nabble.com/Re:-Cross-Compile-difficulties-p10769217.html: > One, make sure you're doing "make vmlinux.32", and two, CONFIG_BUILD_ELF64 > is > _not_ enabled. For 2.6.20, I had to cram in a patch from Frank to get > these > things to not PROM crash (due to the elimination of CPHYSADDY and > replacement by > __pa()), but on 2.6.21, this patch was unnecessary. Unsure about > 2.6.22-rcX. Anyway... sad to say this is a little beyond my understanding, but maybe it can help you start hacking. For what its worth, I'll gladly test patches on my O2s as I have an R5K 200 and RM7K 600.
