Dennis Gilmore wrote: >> 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.) > > ive started building some f15 rpms with hardfp > > i set in redhat-rpm-config > -march=armv7-a -mfpu=vfpv3-d16 -mfloat-abi=hard -mthumb > > im using meego as a base to bootstrap, we will need to build a couple of > times to get everything bootstrapped right with the full set of flags. > meego dropped some things like selinux. im slowly making some progress. i > want to get to having a fedora minimal buildroot by the end the week. > though that might be a bit hard since gcc will take some time to compile. Does that mean we are skipping F14 alltogether? I'm not against the idea, just curious. Anything that helps close the gap to primary distros is a good thing. :) Gordan _______________________________________________ arm mailing list arm@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/arm
