On Sunday, June 05, 2011 06:30:00 AM Gordan Bobic wrote: > On 06/05/2011 12:23 PM, Peter Robinson wrote: > > On Sun, Jun 5, 2011 at 12:18 PM, Gordan Bobic<gordan@xxxxxxxxxx> wrote: > >> On 06/05/2011 02:10 AM, Chris Tyler wrote: > >>> On Sat, 2011-06-04 at 20:53 -0400, Jon Masters wrote: > >>>> [0] We're making a "one time" incompatible ABI switch in F-15 bringup > >>>> to the "hard float" ABI defined in section 6 of the ARM AAPCS > >>>> (commonly referred to as the ARM EABI - but that doesn't actually > >>>> exist as a name). The procedure call standard will be ARM AAPCS > >>>> vfpv3-d16, as defined in section 6 of that document. Other distros > >>>> are switching and this will form the basis of any LSB standardization > >>>> effort later on. Think of v7 and v5 as being different arches, which > >>>> they are really. > >>> > >>> And to further clarify: > >>> > >>> - This is an addition, not a switch -- the intention is to continue to > >>> support armv5tel in addition to armv7hl at this time -- Tegra and > >>> Marvell Kirkwood (including plug computer) devices which do not support > >>> armv7hl will continue to work with armv5tel. > >>> > >>> - The significant incompatibility is hardfp vs. softfp ABI (moreso than > >>> v7 vs. v5). > >> > >> So would it not be more sensible to make the distro ARMv7 without NEON? > > > > There's no mention of NEON above. Where do you get that idea from? > > Chris said that Tegra wouldn't be supported on armv7hl but would > continue to work on armv5tel. The only reason why Tegra wouldn't work > with the armv7 port would be due to it's lack of NEON instructions, > since it is an armv7 processor. It was implied rather than explicit. the stuff i have built has been hardfp with thumb vfpv3-d16 and thumb. i setup things so you could have optional neon enabled builds. armv7hl and armv7nhl Dennis
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