Re: In-tree toolchain for playstation2--almost

[Nick Hudson <skrll%netbsd.org@localhost>]

On 04/03/16 05:50, John D. Baker wrote:
> With the switch of playstation2 to gcc 5.3, binutils 2.26 and gdb 7.10,
> I was eager to give it a whirl.
>
> A few bits remain to be fixed.
>
> First, "sys/arch/playstation2/machdep_locore.S" has comments of the form:
>
>     # line +0
>
> in the cache-management primitives that, although starting with a TAB
> character, confuse the preprocessor into thinking it's a "#line" directive
> and choking on the "+0" as being not a positive integer(!).
>
> I wrapped them in C-style comments and that seems to have satisfied it.

martin@ fixed this, I think
> Second, binutils for mipsel (and mipseb and aarch64) seems to need more
> 'mk-native' love.  The architecture-specific "bfd.h" files are missing
> a number of processor ID macros (including MIPS_R5900 which the
> playstation2 has).  As well, "struct bfd" is missing a number of expected
> fields and some macros are now functions or are defined externally.
>
> I h4XX0r3d mine up by transplanting the analogous pieces from the
> mips64el "bfd.h" and that worked until it got to something that was
> missing entirely:

why h4XX0r when you can

    cd tools/binutils; nbmake-playstation2 native-binutils

?

Anyway, I committed the output of the above.

Nick