Hi Jon, On Wed, May 04 2011, Jon Masters wrote: > I'd like to kick off a discussion about flags for ARMv7. My proposal > here is that we treat v7hl as an entirely different architecture, and > don't try any multi-arch kind of hacks (there isn't the established user > base for Fedora ARM to justify doing any of those things at the moment). > > Things I think we should consider as a minimum: > > *). Little endian (obviously, but worth stating) (l) > *). Cortex-A8 or higher fully compliant core(s) > *). ARM VFP3 hardware floating point (h) > *). ARM NEON Architecture > *). Thumb2 interworking > *). Your suggestion here? > > I think we should build for ARM (as opposed to Thumb2) but we should > support interworking with Thumb2 code through the toolchain options. We > should then later consider implementing some Thumb2 optimization. It's > more armv7thl, but the (t) is implied since it's ARMv7 anyway. > > Several folks have begun looking at toolchain bringup based on the F-15 > toolchain applied to an F-13 userspace initially. But I'd like us to > discuss options/requirements for toolchains before we go too far. > > Once I get some feedback, I'll be updating the wiki, along with some > more F-15 goals and (hopefully) generally useful stuff. Just for the record, this sounds great from OLPC's perspective; +1. (I expect we'd rather build for Thumb2, even if only for the size benefit.) - Chris. -- Chris Ball <cjb@xxxxxxxxxx> <http://printf.net/> One Laptop Per Child _______________________________________________ arm mailing list arm@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/arm
