It turned out that gcc was trying to use a xmm register. But I had set coreboot to build for qemu. This means SSE is disabled. If I enable SSE from .config, it gets initialized in romstage (I think) so it even compiles with gcc -march=corei7 -O3. Maybe -march should be set by Kconfig according to the CPU. . On Mon, Oct 15, 2012 at 10:56 PM, Idwer Vollering <[email protected]> wrote: > Please reply with "reply to all", thanks. > > 2012/10/15 Hristo Venev <[email protected]>: >> Fixed it by using my linux distribution's toolchain but specifying >> -march=i686 >> Probable reason: some instructions enabled by default by gcc but not enabled >> at >> early stages of booting. > > Hm, I suppose that i686 is not (exactly) the same as -march=i386 (?) > and therefor is not suitable as a generic solution. > >> >> P.S. I didn't see any patches applied to my gcc which are not about >> _FORTIFY_SOURCE/relro/gnu hash.
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