Michael Schnell wrote: > Some architectures can do execute in place (XIP), some can't. (I did not > yet find out the exact reasons.) > > RAM usually is a lot faster than Flash, so XIP might be not desirable.
However, XIP is possible in RAM too. If RAM is fast but you don't have a lot of it, or if fragmentation (no-mmu) is a real problem, then XIP in RAM is really helpful. On my project, it saves a few MiB of RAM. I use a special driver for XIP-in-RAM on Linux 2.4.26, but I have the impression from a quick read of changes that Linux 2.4.3x and Linux 2.6.x might support XIP-in-RAM without a special driver. -- Jamie _______________________________________________ uClinux-dev mailing list uClinux-dev@uclinux.org http://mailman.uclinux.org/mailman/listinfo/uclinux-dev This message was resent by uclinux-dev@uclinux.org To unsubscribe see: http://mailman.uclinux.org/mailman/options/uclinux-dev
