On Sun, Feb 13, 2011 at 12:48 AM, Florian Weimer <f...@deneb.enyo.de> wrote: > * H. Peter Anvin: > >> On 02/12/2011 01:10 PM, Florian Weimer wrote: >>> Why is the ia32 compatiblity kernel interface used? >> >> Because there is no way in hell we're designing in a second >> compatibility ABI in the kernel (and it has to be a compatibility ABI, >> because of the pointer size difference.) > > Actually, I'm wondering if you can do the translation in user space. > There already are 32-on-64 implementations in existence, without > kernel changes (recent Hotspot, LuaJIT, and probably some more).
Please check out the x32 kernel source and provide feedback. -- H.J.
