Re: [Qemu-devel] [PATCH v5 0/8] target/mips: Support R5900 GCC programs in user mode

[Fredrik Noring]

Hi Philippe,

> > That would be programs not compiled by GCC, as explained in the first
> > sentence of the body text. The subject line is very brief by necessity
> > since it is limited to 72 or so characters. It was an attempt to qualify
> > the subject line "initial support for MIPS R5900", which you previously
> > rejected. I agree that there are probably better wordings.
> 
> What about "linux-user support for MIPS R5900"?

This support comes with limitations which would be appropriate to
acknowledge. Aleksandar has rejected both "initial" and "GCC programs"
as subject line qualifications. I suppose we need to find other words
to express this.

> > I used the Gentoo sys-devel/crossdev package
> > 
> > https://wiki.gentoo.org/wiki/Crossdev
> > 
> > with a couple of patches mainly to simplify the handling of LL/SC and
> > floating point support, avoiding complications with additional configure and
> > compiler flags. I plan to submit these patches, in some form, for GAS and
> > GCC inclusion. However, building Gentoo for R5900 is quite a bit more than
> > the necessities for R5900 QEMU user mode testing purposes.
> 
> We could manage to build a docker mips-r5900 cross-compiler image, such:
> https://lists.gnu.org/archive/html/qemu-devel/2018-06/msg06908.html
> 
> But we'll need your patches.

Nice. :) I'm happy to post GAS and GCC patches along with details.

Fredrik