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Date: Fri, 27 Mar 2015 08:25:18 -0700 (MST)
From: sson <sson@FreeBSD.org>
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Subject: =?UTF-8?Q?Re:_MIPS=C3=82=C2=AE_Creator_CI20_/_clang/llvm=3F?=
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John Connett wrote
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>=20
> Is anyone actively working on FreeBSD for the MIPS=C2=AE Creator CI20?
>=20
> What is the current status of building FreeBSD-MIPS using clang/llvm?
>  I found some information here:
>=20
>     https://wiki.freebsd.org/BuildingFreeBSDWithClang
>=20
> but it is note that the information is out of date.
>=20
> I asked Kai Nacke about his slides from FOSDEM '15:
>=20
>     http://llvm.org/devmtg/2015-02/slides/kai-assembler.pdf
>=20
> which mentions the JZ4780 and "> 60 new instructions (MXU extension)".
>  Kai told me that he used the JZ4780 as an example but he is not aware
> of anyone working on integrating the new MXU instructions.
>=20
> I have a CI20 Revision B (purple circuit board) and am willing to
> experiment with it.  I don't have access to any other mipsel hardware.
>  I do have access to a reasonably quick x86_64 which I could use for
> cross-compilation or simulation.
>=20
> Any suggestions to which versions of clang/llvm and target
> (mipsel-portbld-freebsd10.1?) to try?
>=20
> Thanks in anticipation
> - --
> John Connett
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I am not aware of any FreeBSD effort but have you looked at Michael Lorenz'=
s
CI20 NetBSD work? =20

https://blog.netbsd.org/tnf/entry/ci20_reaches_userland

That would be a good reference for a FreeBSD port.

-stacey.






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