On 07/16/2012 08:16 AM, Pavel Machek wrote: >> If an implementation supports AArch32 at EL3 there could be some >> physical (or some FPGA config) switch to choose between the two. But >> since AArch64 is mandated, I don't see why one would force AArch32 at >> EL3 and therefore all lower exception levels (and make a big part of the >> processor unused). > > Actually I see one ... and I can bet it will happen. > > So you create that shiny new ARMv8 compliant CPU, 8 cores, 2GHz. HTC > will want to use it with 1GB of RAM... and put around exiting OMAP > perihepals.
But that's why we have Eagle (A15). It's a very capable 32-bit design from ARM and far more sensible for such designs. You can easily build something with a few A15 clusters in it, as we're already seeing. Jon. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
