On Fri, Feb 5, 2010 at 5:37 PM, <[email protected]> wrote: > > ----- "Travis Stratman" <[email protected]> wrote: >> On Fri, 2010-02-05 at 13:41 -0800, Khem Raj wrote: >> > On Fri, Feb 5, 2010 at 12:43 PM, Travis Stratman <[email protected]> >> > wrote: >> > > On Fri, 2010-02-05 at 10:00 -0800, Khem Raj wrote: >> > >> On Fri, Feb 5, 2010 at 4:29 AM, Detlef Vollmann <[email protected]> >> > >> wrote: >> > >> > On 02/03/10 15:03, [email protected] wrote: >> > >> >> >> > >> >> My 2.6.29 kernel is built with the CodeSourcery >> > >> >> arm-2009q3-67-arm-none-linux-gnueabi compiler and has the EABI and >> > >> >> OABI_COMPAT config options enabled. Using this kernel I can boot my >> > >> >> SA1110 >> > >> >> iPaq into a OABI ramfs with no problems, however if I build a >> > >> >> "HelloWorld" >> > >> >> executable with the same compiler and try and run it I get an >> > >> >> "Illegal >> > >> >> Instruction" error. I build the test program using static linking, >> > >> >> select >> > >> >> the correct machine type and tune options but to no avail, I always >> > >> >> get the >> > >> >> illegal instruction. >> > >> >> > >> You need gcc 4.4 to get EABI working on ARMv4 and there are additional >> > >> patches >> > >> to gcc on top of gcc 4.4 see >> > >> gcc-armv4-pass-fix-v4bx-to-ld.patch for gcc in OE. So as Koen suggested >> > >> earlier >> > >> if you try with OE compiler you might have better chance of getting it >> > >> to work as many >> > >> OE devs have tried it. >> > >> btw. are you passing march=armv4 to the compiler when doing the compile >> > >> ? >> > > >> > > >From my understanding of this issue he has an OABI rootfs and is trying >> > > to run an EABI executable on top of it. This just doesn't work period >> > > AFAIK; the kernel can boot either OABI or EABI with the compatibility >> > > flags config'd in, but all of the binaries on the filesystem must match. >> > > >> > > I'll have to look into the patch that you referenced above because I >> > > have been using EABI (built through OE) for both the kernel and >> > > filesystem with armv4t for a few years now. First w/ GCC 4.1.1 and now >> > > with 4.2.4 and I've never run into issues. Does the issue only manifest >> > > in certain situations? >> > >> > Well you said armv4t thats a whole different story than armv4 (without >> > 't') for EABI >> > AFAICT SA1110 is based on ARMv4 not ARMv4t. >> >> You are correct, my mistake. > > I have built a EABI rootfs but I get a kernel panic when it attempts > to run init, hence my attempts to verify my EABI executables on a OABI > fs. > > Perhaps it's time for me to try the OE EABI compiler. Can you advise me > on which OE recipes to use for this?
use 4.4.2 or 4.4.3 > > Regards, > > Pete > > > _______________________________________________ > Openembedded-devel mailing list > [email protected] > http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-devel > _______________________________________________ Openembedded-devel mailing list [email protected] http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-devel
