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. Thanks, TAS _______________________________________________ Openembedded-devel mailing list [email protected] http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-devel
