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authorDarren Hart <dvhart@linux.intel.com>2010-12-20 15:02:40 -0800
committerRichard Purdie <richard.purdie@linuxfoundation.org>2011-01-20 21:36:58 +0000
commit0d7d5666509c013228242b87c1dfd15395af6701 (patch)
tree64e733a571982bc274e7a96a562de306b2731656 /meta-rt/recipes-kernel
parent4de544015b41cde2938d8bb00fec48f470e6d7fb (diff)
downloadopenembedded-core-0d7d5666509c013228242b87c1dfd15395af6701.tar.gz
meta-rt: Initial PREEMPT_RT layer and kernel recipes
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>
Diffstat (limited to 'meta-rt/recipes-kernel')
-rw-r--r--meta-rt/recipes-kernel/linux-yocto-rt_stablegit.bb39
1 files changed, 39 insertions, 0 deletions
diff --git a/meta-rt/recipes-kernel/linux-yocto-rt_stablegit.bb b/meta-rt/recipes-kernel/linux-yocto-rt_stablegit.bb
new file mode 100644
index 0000000000..361b6806cd
--- /dev/null
+++ b/meta-rt/recipes-kernel/linux-yocto-rt_stablegit.bb
@@ -0,0 +1,39 @@
+inherit kernel
+require recipes-kernel/linux/linux-yocto.inc
+
+KMACHINE_qemux86-64 = "common_pc_64"
+
+LINUX_VERSION ?= "2.6.34"
+LINUX_KERNEL_TYPE = "preempt_rt"
+LINUX_VERSION_EXTENSION ?= "-yocto-${LINUX_KERNEL_TYPE_EXTENSION}"
+
+PR = "r0"
+PV = "${LINUX_VERSION}+git${SRCPV}"
+SRCREV_FORMAT = "meta_machine"
+
+COMPATIBLE_MACHINE = "(qemux86-64)"
+
+# this performs a fixup on the SRCREV for new/undefined BSPs
+python __anonymous () {
+ import bb, re, string
+
+ rev = bb.data.getVar("SRCREV_machine", d, 1)
+ if rev == "standard":
+ bb.data.setVar("SRCREV_machine", "${SRCREV_meta}", d)
+
+ kerntype = string.replace(bb.data.expand("${LINUX_KERNEL_TYPE}", d), "_", "-")
+ bb.data.setVar("LINUX_KERNEL_TYPE_EXTENSION", kerntype, d)
+}
+
+SRC_URI = "git://git.pokylinux.org/linux-2.6-windriver.git;protocol=git;fullclone=1;branch=${KBRANCH};name=machine \
+ git://git.pokylinux.org/linux-2.6-windriver.git;protocol=git;noclone=1;branch=wrs_meta;name=meta"
+
+# Functionality flags
+KERNEL_REVISION_CHECKING ?= "t"
+KERNEL_FEATURES=features/netfilter
+
+# extra tasks
+addtask kernel_link_vmlinux after do_compile before do_install
+addtask validate_branches before do_patch after do_kernel_checkout
+
+require recipes-kernel/linux/linux-tools.inc