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beagleboard: document how to enable the hard floating point abi 

Closes [YOCTO #1203]

Using the hard floating point abi is incompatible with some binary libaries and
3D support for the Beagleboard. While we do not provide these in poky and
meta-yocto, softfp should remain the default for compatibility reasons.

Provide documentation and a commented assignment to DEFAULT_TUNE instructing
how to enable hardfp, but leave it disabled by default.

Signed-off-by: Darren Hart <dvhart@linux.intel.com>
CC: Jason Kridner <jkridner@beagleboard.org>
CC: Koen Kooi <koen@dominion.thruhere.net>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Darren Hart 2011-09-06 09:39:17 -07:00 committed by Richard Purdie
parent f50a17684d
commit 62892b2f68
1 changed files with 4 additions and 0 deletions
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4
meta-yocto/conf/machine/beagleboard.conf
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@ -18,6 +18,10 @@ MACHINE_EXTRA_RRECOMMENDS += "beagleboard-audio"
# Allow for MMC booting (required by the NAND-less Beagleboard XM)
EXTRA_IMAGEDEPENDS += "u-boot x-load"
# Uncomment the following line to enable the hard floating point abi. Note that
# this breaks some binary libraries and 3D (neither of which ship with
# meta-yocto). For maximum compatibility, leave this disabled.
#DEFAULTTUNE ?= "cortexa8hf-neon"
include conf/machine/include/tune-cortexa8.inc
IMAGE_FSTYPES += "tar.bz2 jffs2"