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Re: Is it time to deprecate arm26 support (for NetBSD 7.0?
On 2 Aug 2012, at 23:53, Matt Thomas <matt%3am-software.com@localhost> wrote:
> On Aug 2, 2012, at 3:44 PM, Richard Earnshaw (home) wrote:
>> On 1 Aug 2012, at 09:01, David Brownlee <abs%netbsd.org@localhost> wrote:
>>> Would it make sense to split the arm ports into 'current' and 'legacy'
>>> by architecture and pick a new minimum architecture (ARMv6?) for the
>>> current ports. It could also be a good point to make any ABI
>> An EABI conforming port with hard float sounds like a good proposition for
>> use with modern hw.
> What is the earliest commonly available arm with a hard VFP that
> was available that is compatible with armv6/v7 compatible VFP's?
> I was thinking adding a machine arch of "armless" for those
> pre that "first VPF compatible arm". And making arm reflect
> newer hardware.
VFP was first introduced with v5, but there are very few chips of that era that
Advanced SIMD (Neon) wasn't added until v7; though that shares the hard float
ABI. Thumb2 was also effectively only available from v7.
Apart from Debian, many of the Linux distros are now targeting v7+VFP as their
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