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poky/meta/conf/machine/include/powerpc/README
Mark Hatle 78e1a7c0d1 conf/machine/include: Cleanup PowerPC tunings to match README 
Cleanup the PowerPC tunings to match the new tuning README file.

Default PowerPC to using TUNE_PKGARCH = ${TUNE_PKGARCH_tune-<tune>}

Fix AVAILTUNE settings in ppc603e, and ppce500mc to be addative.

Correct potentially overlapping "spe" definitions in ppce500 and ppce500v2.

(From OE-Core rev: f81f71bcff4bb1032b034b068efe6065113ca9e7)

Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2012-04-04 17:17:55 +01:00

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2012/03/30 - Mark Hatle mark.hatle@windriver.com

  • Initial revision

There are 4 primary PowerPC ABIs.

*) Hard/Soft Floating Point

*) 32-bit/64-bit

TUNE_ARCH is defined as either "powerpc" or "powerpc64" based on the m32 or m64 feature.

May of the PowerPC package archictures are based on legacy Linux names. However, a general naming scheme should be similar to: ppc[64][][-nf]. (Note: the default package architectures are "powerpc" and "powerpc64".)

TUNE_PKGARCH is defined as TUNE_PKGARCH_tune-${DEFAULTTUNE}. All PowerPC tunings are required to define TUNE_PKGARCH_tune-.