meta-rt: create a real-time (PREEMPT_RT) layer

new file mode 100644
index 0000000..dbf4a32
@@ -0,0 +1,22 @@
+# 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"
+

new file mode 100644
index 0000000..361b680
@@ -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

new file mode 100644
index 0000000..35af022
@@ -0,0 +1,22 @@
+DESCRIPTION = "Real-Time preemption testcases"
+HOMEPAGE = "https://rt.wiki.kernel.org/index.php/Cyclictest"
+SECTION = "tests"
+DEPENDS = "linux-libc-headers eglibc"
+LICENSE = "GPLv2 & GPLv2+"
+LIC_FILES_CHKSUM = "file://COPYING;md5=751419260aa954499f7abaabaa882bbe \
+                    file://src/cyclictest/cyclictest.c;beginline=7;endline=9;md5=ce162fe491d19d2ec67dff6dbc938d50 \
+                    file://src/pi_tests/pi_stress.c;beginline=6;endline=19;md5=bd426a634a43ec612e9fbf125dfcc949"
+SRCREV = ${AUTOREV}
+PV = "git${SRCPV}"
+PR = "r0"
+
+SRC_URI = "git://git.kernel.org/pub/scm/linux/kernel/git/clrkwllms/rt-tests.git;protocol=git"
+
+S = "${WORKDIR}/git"
+
+CFLAGS += "-I${S}/src/include -D_GNU_SOURCE -Wall -Wno-nonnull"
+
+do_install() {
+        oe_runmake install DESTDIR=${D} SBINDIR=${sbindir} MANDIR=${mandir} \
+                           INCLUDEDIR=${includedir}
+}

new file mode 100644
index 0000000..b68fe56
@@ -0,0 +1,15 @@
+#
+# Copyright (C) 2010 Intel Corporation.
+#
+
+require recipes-core/images/poky-image-directdisk.inc
+
+DESCRIPTION = "Bootable Minimal Real-Time Direct Disk Image"
+
+ROOTFS = "${DEPLOY_DIR_IMAGE}/poky-image-minimal-rt-${MACHINE}.ext3"
+
+LICENSE = "MIT"
+
+do_bootdirectdisk[depends] += "poky-image-minimal-rt:do_rootfs"
+
+

new file mode 100644
index 0000000..01628dc
@@ -0,0 +1,15 @@
+#
+# Copyright (C) 2010 Intel Corporation.
+#
+
+DESCRIPTION = "Bootable Live Minimal Real-Time Linux Image"
+
+require recipes-core/images/poky-image-live.inc
+
+LABELS += "boot install"
+
+ROOTFS = "${DEPLOY_DIR_IMAGE}/poky-image-minimal-rt-${MACHINE}.ext3"
+
+LICENSE = "MIT"
+
+do_bootimg[depends] += "poky-image-minimal-rt:do_rootfs"

new file mode 100644
index 0000000..6f5700c
@@ -0,0 +1,12 @@
+#
+# Copyright (C) 2010 Intel Corporation.
+#
+
+DESCRIPTION = "Minimal Real-Time Linux Image"
+DEPENDS = "linux-yocto-rt"
+
+require recipes-core/images/poky-image-minimal.bb
+
+IMAGE_INSTALL += "rt-tests"
+
+LICENSE = "MIT"

index d762d01..225906b 100644
@@ -15,7 +15,7 @@ IMAGE_ROOTFS_SIZE_ext3 ?= "280000"
 RDEPENDS_kernel-base = ""
 
 # Use a common kernel recipe for all QEMU machines
-PREFERRED_PROVIDER_virtual/kernel = "linux-yocto"
+PREFERRED_PROVIDER_virtual/kernel ?= "linux-yocto"
 PREFERRED_PROVIDER_linux-libc-headers ?= "linux-libc-headers-yocto"
 
 EXTRA_IMAGEDEPENDS += "qemu-native qemu-helper-native"

index dbf4a32..94ebc02 100644
@@ -17,6 +17,7 @@ BBFILE_PRIORITY_rt = "8"
 PREFERRED_PROVIDER_virtual/kernel = "linux-yocto-rt"
 
 # preempt_rt SRCREVs, one for meta, one per machine
-SRCREV_meta_pn-linux-yocto-rt ?= "50ccd2b3213b6a1bacb3f898c035119802dac420"
+SRCREV_meta_pn-linux-yocto-rt ?= "b0615811ce38836d1ade230e3bdb1efaaa68471f"
 SRCREV_machine_pn-linux-yocto-rt_qemux86-64 ?= "f49444f06875894389e640bcda6c3f6ceb1f0c3e"
+SRCREV_machine_pn-linux-yocto-rt_atom-pc ?= "78dacaf8222c9492ba17f652989ef3466423bdc2"
 

index 361b680..547f8fe 100644
@@ -2,6 +2,7 @@ inherit kernel
 require recipes-kernel/linux/linux-yocto.inc
 
 KMACHINE_qemux86-64  = "common_pc_64"
+KMACHINE_atom-pc  = "atom-pc"
 
 LINUX_VERSION ?= "2.6.34"
 LINUX_KERNEL_TYPE = "preempt_rt"

@@ -11,7 +12,7 @@ PR = "r0"
 PV = "${LINUX_VERSION}+git${SRCPV}"
 SRCREV_FORMAT = "meta_machine"
 
-COMPATIBLE_MACHINE = "(qemux86-64)"
+COMPATIBLE_MACHINE = "(qemux86-64|atom-pc)"
 
 # this performs a fixup on the SRCREV for new/undefined BSPs
 python __anonymous () {