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meta-rt: Initial PREEMPT_RT layer and kernel recipes

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The meta-rt layer provides a preempt_rt kernel recipe
using the linux-yocto-stable git tree. It overrides
the virtual/kernel provider and defines the compatible
machines and per-machine SRCREVs. The initial layer
supports only qemux86-64.

Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Cc: Tom Zanussi <tom.zanussi@intel.com>
Cc: Bruce Ashfield <bruce.ashfield@windriver.com>
This commit is contained in:
Darren Hart
2010-12-20 15:02:40 -08:00
committed by Richard Purdie
parent 4de544015b
commit 0d7d566650
2 changed files with 61 additions and 0 deletions
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22
meta-rt/conf/layer.conf Normal file
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# Default to first disk/first partition
RSP_ROOT ?= "sda1"
# We have a conf and classes directory, add to BBPATH
BBPATH := "${BBPATH}:${LAYERDIR}"
# We have an images and various recipe-* directories, add to BBFILES
BBFILES := "${BBFILES} ${LAYERDIR}/images/*.bb ${LAYERDIR}/images/*.bbappend ${LAYERDIR}/recipes-*/*.bb ${LAYERDIR}/recipes-*/*.bbappend"
BBFILE_COLLECTIONS += "rt"
BBFILE_PATTERN_rt := "^${LAYERDIR}/"
BBFILE_PRIORITY_rt = "8"
# This layer builds images using a PREEMPT_RT kernel. Override any machine
# specified kernel providers and leave it up to the kernel recipe to
# determine COMPATIBLE_MACHINE.
PREFERRED_PROVIDER_virtual/kernel = "linux-yocto-rt"
# preempt_rt SRCREVs, one for meta, one per machine
SRCREV_meta_pn-linux-yocto-rt ?= "50ccd2b3213b6a1bacb3f898c035119802dac420"
SRCREV_machine_pn-linux-yocto-rt_qemux86-64 ?= "f49444f06875894389e640bcda6c3f6ceb1f0c3e"