[OE-core] [PATCH v2 1/2] microblaze tune: Enable 64-bit

[Nathan Rossi]

On Tue, 4 Feb 2020 at 04:36, Mark Hatle <mark.hatle at kernel.crashing.org> wrote:
>
>
>
> On 1/31/20 10:50 PM, Nathan Rossi wrote:
> > On Sat, 1 Feb 2020 at 09:33, Mark Hatle <mark.hatle at kernel.crashing.org> wrote:
> >>
> >> From: Mark Hatle <mark.hatle at xilinx.com>
> >>
> >> 64-bit is not yet available in Linux, but some non-Linux uses exist.
> >>
> >> Signed-off-by: Mark Hatle <mark.hatle at xilinx.com>
> >> Signed-off-by: Mark Hatle <mark.hatle at kernel.crashing.org>
> >> ---
> >>  meta/conf/machine/include/microblaze/arch-microblaze.inc | 9 ++++++++-
> >>  1 file changed, 8 insertions(+), 1 deletion(-)
> >>
> >> diff --git a/meta/conf/machine/include/microblaze/arch-microblaze.inc b/meta/conf/machine/include/microblaze/arch-microblaze.inc
> >> index 265898b6b6..fb777d929c 100644
> >> --- a/meta/conf/machine/include/microblaze/arch-microblaze.inc
> >> +++ b/meta/conf/machine/include/microblaze/arch-microblaze.inc
> >> @@ -4,6 +4,9 @@
> >>  TUNEVALID[microblaze] = "MicroBlaze"
> >>  MACHINEOVERRIDES =. "${@bb.utils.contains("TUNE_FEATURES", "microblaze", "microblaze:", "", d)}"
> >>
> >> +TUNEVALID[64-bit] = "64-bit MicroBlaze"
> >> +MACHINEOVERRIDES =. "${@bb.utils.contains("TUNE_FEATURES", "64-bit", "microblaze64:", "", d)}"
> >
> > This should probably TUNECONFLICTS with all unsupported versions.
>
> I have no information on what versions are unsupported with 64-bit.  If I
> receive that information, I will add it as conflicts.

It looks like it was added in v11.0 (and unsupported in all prior
versions), according to the microblaze reference manual
(https://www.xilinx.com/support/documentation/sw_manuals/xilinx2019_2/ug984-vivado-microblaze-ref.pdf).

Regards,
Nathan

>
> --Mark
>
> > Regards,
> > Nathan
> >
> >
> >> +
> >>  # Endian
> >>  TUNEVALID[bigendian] = "Use Microblaze Big Endian"
> >>  TUNECONFLICTS[bigendian] += "v10.0"
> >> @@ -26,6 +29,7 @@ TUNECONFLICTS[frequency-optimized] += "v8.00 v8.10 v8.20 v8.30 v8.40 v8.50 v9.0
> >>  TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "barrel-shift", "-mxl-barrel-shift", "-mno-xl-barrel-shift", d)}"
> >>  TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "pattern-compare", "-mxl-pattern-compare", "-mno-xl-pattern-compare", d)}"
> >>  TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "frequency-optimized", "-mxl-frequency", "", d)}"
> >> +TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "64-bit", "-m64", "", d)}"
> >>
> >>  # Disable reorder for v8.30 if pattern-compare is not enabled
> >>  TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "reorder", \
> >> @@ -48,6 +52,9 @@ require conf/machine/include/microblaze/feature-microblaze-math.inc
> >>  # Architecture name, either 'microblazeeb' or 'microblazeel' depending on endianess
> >>  TUNE_ARCH = "microblaze${@bb.utils.contains("TUNE_FEATURES", "bigendian", "", "el", d)}"
> >>
> >> +# Add 64-bit to the PKGARCH if enabled.
> >> +MBPKGARCH_SIZE = "${@bb.utils.contains("TUNE_FEATURES", "64-bit", "64", "", d)}"
> >> +
> >>  # Package Architecture formatting
> >> -TUNE_PKGARCH = "microblaze${MBPKGARCH_ENDIAN}${MBPKGARCH_VERSION}${MBPKGARCH_TUNE}${MBPKGARCH_MATH}"
> >> +TUNE_PKGARCH = "microblaze${MBPKGARCH_SIZE}${MBPKGARCH_ENDIAN}${MBPKGARCH_VERSION}${MBPKGARCH_TUNE}${MBPKGARCH_MATH}"
> >>
> >> --
> >> 2.17.1
> >>
> >> --
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