1 DESCRIPTION = "Linux Kernel"
7 RPSRC = "http://www.rpsys.net/openzaurus/patches/archive"
9 # Enable OABI compat for people stuck with obsolete userspace
12 # Specify the commandline for your device
15 CMDLINE_at91sam9263ek = "mem=64M console=ttyS0,115200 root=/dev/mmcblk0p1 rootfstype=ext2 rootdelay=5"
17 #CMDLINE_at91sam9263ek = "mem=64M console=ttyS0,115200 root=301 root=/dev/nfs nfsroot=172.20.3.1:/data/at91 ip=172.20.0.5:::255.255.0.0"
19 # Set the verbosity of kernel messages during runtime
20 # You can define CMDLINE_DEBUG in your local.conf or distro.conf to override this behaviour
21 CMDLINE_DEBUG ?= '${@base_conditional("DISTRO_TYPE", "release", "quiet", "debug",d)}'
22 CMDLINE_append = " ${CMDLINE_DEBUG} "
24 # Support for binary device tree generation
26 FILES_kernel-devicetree = "/boot/devicetree*"
28 KERNEL_DEVICETREE_boc01 = "${WORKDIR}/boc01.dts"
29 KERNEL_DEVICETREE_mpc8313e-rdb = "arch/${ARCH}/boot/dts/mpc8313erdb.dts"
30 KERNEL_DEVICETREE_mpc8315e-rdb = "arch/${ARCH}/boot/dts/mpc8315erdb.dts"
31 KERNEL_DEVICETREE_mpc8323e-rdb = "arch/${ARCH}/boot/dts/mpc832x_rdb.dts"
32 KERNEL_DEVICETREE_kilauea = "arch/${ARCH}/boot/dts/kilauea.dts"
33 KERNEL_DEVICETREE_sequoia = "arch/${ARCH}/boot/dts/sequoia.dts"
34 KERNEL_DEVICETREE_canyonlands = "arch/${ARCH}/boot/dts/canyonlands.dts"
36 KERNEL_DEVICETREE_FLAGS = "-R 8 -S 0x3000"
38 python __anonymous () {
42 devicetree = bb.data.getVar('KERNEL_DEVICETREE', d, 1) or ''
44 depends = bb.data.getVar("DEPENDS", d, 1)
45 bb.data.setVar("DEPENDS", "%s dtc-native" % depends, d)
46 packages = bb.data.getVar("PACKAGES", d, 1)
47 bb.data.setVar("PACKAGES", "%s kernel-devicetree" % packages, d)
50 do_configure_prepend() {
51 echo "" > ${S}/.config
54 # logo support, if you supply logo_linux_clut224.ppm in SRC_URI, then it's going to be used
56 if [ -e ${WORKDIR}/logo_linux_clut224.ppm ]; then
57 install -m 0644 ${WORKDIR}/logo_linux_clut224.ppm drivers/video/logo/logo_linux_clut224.ppm
58 echo "CONFIG_LOGO=y" >> ${S}/.config
59 echo "CONFIG_LOGO_LINUX_CLUT224=y" >> ${S}/.config
65 if [ "${TARGET_OS}" = "linux-gnueabi" -o "${TARGET_OS}" = "linux-uclibcgnueabi" ]; then
66 echo "CONFIG_AEABI=y" >> ${S}/.config
67 if [ "${ARM_KEEP_OABI}" = "1" ] ; then
68 echo "CONFIG_OABI_COMPAT=y" >> ${S}/.config
70 echo "# CONFIG_OABI_COMPAT is not set" >> ${S}/.config
73 echo "# CONFIG_AEABI is not set" >> ${S}/.config
74 echo "# CONFIG_OABI_COMPAT is not set" >> ${S}/.config
77 # When enabling thumb for userspace we also need thumb support in the kernel
78 if [ "${ARM_INSTRUCTION_SET}" = "thumb" ] ; then
79 sed -i -e /CONFIG_ARM_THUMB/d ${WORKDIR}/defconfig
80 echo "CONFIG_ARM_THUMB=y" >> ${S}/.config
86 if [ "${SITEINFO_ENDIANESS}" = "be" ]; then
87 echo "CONFIG_CPU_BIG_ENDIAN=y" >> ${S}/.config
90 echo "CONFIG_CMDLINE=\"${CMDLINE}\"" >> ${S}/.config
92 sed -e '/CONFIG_AEABI/d' \
93 -e '/CONFIG_OABI_COMPAT=/d' \
94 -e '/CONFIG_CMDLINE=/d' \
95 -e '/CONFIG_CPU_BIG_ENDIAN/d' \
96 -e '/CONFIG_LOGO=/d' \
97 -e '/CONFIG_LOGO_LINUX_CLUT224=/d' \
98 -e '/CONFIG_LOCALVERSION/d' \
99 < '${WORKDIR}/defconfig' >>'${S}/.config'
102 # root-over-nfs-over-usb-eth support. Limited, but should cover some cases.
103 # Enable this by setting a proper CMDLINE_NFSROOT_USB.
105 if [ ! -z "${CMDLINE_NFSROOT_USB}" ]; then
106 oenote "Configuring the kernel for root-over-nfs-over-usb-eth with CMDLINE ${CMDLINE_NFSROOT_USB}"
107 sed -e '/CONFIG_INET/d' \
108 -e '/CONFIG_IP_PNP=/d' \
109 -e '/CONFIG_USB_GADGET=/d' \
110 -e '/CONFIG_USB_GADGET_SELECTED=/d' \
111 -e '/CONFIG_USB_ETH=/d' \
112 -e '/CONFIG_NFS_FS=/d' \
113 -e '/CONFIG_ROOT_NFS=/d' \
114 -e '/CONFIG_CMDLINE=/d' \
116 echo "CONFIG_INET=y" >> ${S}/.config
117 echo "CONFIG_IP_PNP=y" >> ${S}/.config
118 echo "CONFIG_USB_GADGET=y" >> ${S}/.config
119 echo "CONFIG_USB_GADGET_SELECTED=y" >> ${S}/.config
120 echo "CONFIG_USB_ETH=y" >> ${S}/.config
121 echo "CONFIG_NFS_FS=y" >> ${S}/.config
122 echo "CONFIG_ROOT_NFS=y" >> ${S}/.config
123 echo "CONFIG_CMDLINE=\"${CMDLINE_NFSROOT_USB}\"" >> ${S}/.config
125 yes '' | oe_runmake oldconfig
128 do_configure_append_avr32() {
129 sed -i -e s:-mno-pic::g arch/avr32/Makefile
132 do_compile_append() {
133 if test "x${KERNEL_IMAGETYPE}" = "xuImage" ; then
134 if test -e arch/${ARCH}/boot/compressed/vmlinux ; then
135 ${OBJCOPY} -O binary -R .note -R .comment -S arch/${ARCH}/boot/compressed/vmlinux linux.bin
136 uboot-mkimage -A ${UBOOT_ARCH} -O linux -T kernel -C none -a ${UBOOT_LOADADDRESS} -e ${UBOOT_ENTRYPOINT} -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin arch/${ARCH}/boot/uImage
139 ${OBJCOPY} -O binary -R .note -R .comment -S vmlinux linux.bin
142 uboot-mkimage -A ${UBOOT_ARCH} -O linux -T kernel -C gzip -a ${UBOOT_LOADADDRESS} -e ${UBOOT_ENTRYPOINT} -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin.gz arch/${ARCH}/boot/uImage
148 do_devicetree_image() {
149 if test -n "${KERNEL_DEVICETREE}" ; then
150 dtc -I dts -O dtb ${KERNEL_DEVICETREE_FLAGS} -o devicetree ${KERNEL_DEVICETREE}
151 install -m 0644 devicetree ${D}/boot/devicetree-${KERNEL_VERSION}
152 install -m 0644 devicetree ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.dtb
153 cd ${DEPLOY_DIR_IMAGE}
154 rm -f ${KERNEL_IMAGE_SYMLINK_NAME}.dtb
155 ln -sf ${KERNEL_IMAGE_BASE_NAME}.dtb ${KERNEL_IMAGE_SYMLINK_NAME}.dtb
159 addtask devicetree_image after do_deploy before do_package
161 pkg_postinst_kernel-devicetree () {
162 cd /${KERNEL_IMAGEDEST}; update-alternatives --install /${KERNEL_IMAGEDEST}/devicetree devicetree devicetree-${KERNEL_VERSION} ${KERNEL_PRIORITY} || true
165 pkg_postrm_kernel-devicetree () {
166 cd /${KERNEL_IMAGEDEST}; update-alternatives --remove devicetree devicetree-${KERNEL_VERSION} || true