On Mon, Apr 09, 2007 at 03:51:54PM +0200, Alexander Schmehl wrote: > The multiarch media still has a small problem: for i386/amd64 they are > no "fire and forget" thing; you still need to find out if you have an > amd64 compatible system and start the amd64 boot process by hand. > > It would be really cool, if that could be autodetected... but I don't > know how that could be done. Check if the processor has support for long mode? AIUI it only takes a bit of assembler to do it (on a Linux system you can look for "lm" in /proc/cpuinfo, but I suspect this has to be done before Linux is booted).
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