On Wed, May 4, 2011 at 1:46 PM, Jon Masters <jonat...@jonmasters.org> wrote: > Folks, > > 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
Btw, if you make NEON mandatory, then we don't have to worry about the "vfp3-d16" limitation of the tegra2 / dove and therefor go the full "vfp3-d32"... (if you consider the Cortex-15 will have NEON by default, it's a good minimal requirement..) > *). 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. > > Jon. > Regards, -- Robert Nelson http://www.rcn-ee.com/ _______________________________________________ arm mailing list arm@lists.fedoraproject.org https://admin.fedoraproject.org/mailman/listinfo/arm
