recipes-kernel/linux/linux.inc

   1 DESCRIPTION = "Linux Kernel"
   2 SECTION = "kernel"
   3 LICENSE = "GPLv2"
   4
   5 LIC_FILES_CHKSUM = "file://COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7"
   6
   7 inherit kernel siteinfo
   8
   9 # Try to build & install perf
  10 require recipes-kernel/linux/linux-tools.inc
  11
  12 RPSRC = "http://www.rpsys.net/openzaurus/patches/archive"
  13
  14 # Enable OABI compat for people stuck with obsolete userspace
  15 ARM_KEEP_OABI ?= "1"
  16
  17 # Quirk for udev greater or equal 141
  18 UDEV_GE_141 ?= "0"
  19
  20 # Specify the commandline for your device
  21
  22 # Boot from mmc
  23 CMDLINE_at91sam9263ek = "mem=64M console=ttyS0,115200 root=/dev/mmcblk0p1 rootfstype=ext2 rootdelay=5"
  24 # Boot from nfs
  25 #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"
  26
  27 # Set the verbosity of kernel messages during runtime
  28 # You can define CMDLINE_DEBUG in your local.conf or distro.conf to override this behaviour
  29 CMDLINE_DEBUG ?= '${@base_conditional("DISTRO_TYPE", "release", "quiet", "debug", d)}'
  30 CMDLINE_append = " ${CMDLINE_DEBUG} "
  31
  32 # Kernel bootlogo is distro-specific (default is OE logo).
  33 # Logo resolution (qvga, vga, ...) is machine-specific.
  34 LOGO_SIZE ?= "."
  35
  36 # Support for binary device tree generation
  37
  38 FILES_kernel-devicetree = "/boot/devicetree*"
  39
  40 KERNEL_DEVICETREE_boc01 = "${WORKDIR}/boc01.dts"
  41 KERNEL_DEVICETREE_calamari = "arch/${ARCH}/boot/dts/mpc8536ds.dts"
  42 KERNEL_DEVICETREE_canyonlands = "arch/${ARCH}/boot/dts/canyonlands.dts"
  43 KERNEL_DEVICETREE_kilauea = "arch/${ARCH}/boot/dts/kilauea.dts"
  44 KERNEL_DEVICETREE_lite5200 = "arch/${ARCH}/boot/dts/lite5200.dts"
  45 KERNEL_DEVICETREE_lsppchd = "arch/${ARCH}/boot/dts/kuroboxHD.dts"
  46 KERNEL_DEVICETREE_lsppchg = "arch/${ARCH}/boot/dts/kuroboxHG.dts"
  47 KERNEL_DEVICETREE_mpc8313e-rdb = "arch/${ARCH}/boot/dts/mpc8313erdb.dts"
  48 KERNEL_DEVICETREE_mpc8315e-rdb = "arch/${ARCH}/boot/dts/mpc8315erdb.dts"
  49 KERNEL_DEVICETREE_mpc8323e-rdb = "arch/${ARCH}/boot/dts/mpc832x_rdb.dts"
  50 KERNEL_DEVICETREE_mpc8544ds = "arch/${ARCH}/boot/dts/mpc8544ds.dts"
  51 KERNEL_DEVICETREE_mpc8641-hpcn = "arch/${ARCH}/boot/dts/mpc8641_hpcn.dts"
  52 KERNEL_DEVICETREE_p1020rdb = "arch/${ARCH}/boot/dts/p1020rdb.dts"
  53 KERNEL_DEVICETREE_p2020ds = "arch/${ARCH}/boot/dts/p2020ds.dts"
  54 KERNEL_DEVICETREE_sequoia = "arch/${ARCH}/boot/dts/sequoia.dts"
  55 KERNEL_DEVICETREE_tqm8540 = "arch/${ARCH}/boot/dts/tqm8540.dts"
  56 KERNEL_DEVICETREE_xilinx-ml507 = "arch/${ARCH}/boot/dts/virtex440-ml507.dts"
  57
  58 KERNEL_DEVICETREE_FLAGS = "-R 8 -S 0x3000"
  59
  60 CORTEXA8FIXUP ?= "yes"
  61
  62 python __anonymous () {
  63
  64     import bb
  65
  66     devicetree = bb.data.getVar('KERNEL_DEVICETREE', d, 1) or ''
  67     if devicetree:
  68         depends = bb.data.getVar("DEPENDS", d, 1)
  69         bb.data.setVar("DEPENDS", "%s dtc-native" % depends, d)
  70         packages = bb.data.getVar("PACKAGES", d, 1)
  71         bb.data.setVar("PACKAGES", "%s kernel-devicetree" % packages, d)
  72 }
  73
  74 do_configure_prepend() {
  75
  76         # Rename getline in ./scripts/unifdef.c
  77         # Kernels up to 2.6.29 are currently failing to build unifdef.c,
  78         # clashing with exposed getline() from <stdio.h>
  79         # see https://patchwork.kernel.org/patch/11166/
  80         # committed in 2.6.29 (commit d15bd1067b1fcb2b7250d22bc0c7c7fea0b759f7)
  81
  82         sed -i -e 's/getline/parseline/g' ${S}/scripts/unifdef.c
  83
  84
  85         echo "" > ${S}/.config
  86
  87         #
  88         # logo support, if you supply logo_linux_clut224.ppm in SRC_URI, then it's going to be used
  89         #
  90         if [ -e ${WORKDIR}/${LOGO_SIZE}/logo_linux_clut224.ppm ]; then
  91                 install -m 0644 ${WORKDIR}/${LOGO_SIZE}/logo_linux_clut224.ppm drivers/video/logo/logo_linux_clut224.ppm
  92                 echo "CONFIG_LOGO=y"                    >> ${S}/.config
  93                 echo "CONFIG_LOGO_LINUX_CLUT224=y"      >> ${S}/.config
  94         fi
  95
  96         #
  97         # oabi / eabi support
  98         #
  99         if [ "${TARGET_OS}" = "linux-gnueabi" -o  "${TARGET_OS}" = "linux-uclibceabi" ]; then
 100                 echo "CONFIG_AEABI=y"                   >> ${S}/.config
 101                 if [ "${ARM_KEEP_OABI}" = "1" ] ; then
 102                         echo "CONFIG_OABI_COMPAT=y"             >> ${S}/.config
 103                 else
 104                         echo "# CONFIG_OABI_COMPAT is not set"  >> ${S}/.config
 105                 fi
 106         else
 107                 echo "# CONFIG_AEABI is not set"        >> ${S}/.config
 108                 echo "# CONFIG_OABI_COMPAT is not set"  >> ${S}/.config
 109         fi
 110
 111         # When enabling thumb for userspace we also need thumb support in the kernel
 112         if [ "${ARM_INSTRUCTION_SET}" = "thumb" ] ; then
 113             sed -i -e /CONFIG_ARM_THUMB/d ${WORKDIR}/defconfig
 114             echo "CONFIG_ARM_THUMB=y" >> ${S}/.config
 115         fi
 116
 117         # Enable thumb2 fixup for specific issue in angstrom toolchains when used on A8 r1p[012] silicon
 118         if [ "${CORTEXA8FIXUP}" = "yes" ] ; then
 119             sed -i -e /CONFIG_ARM_ERRATA_430973/d ${WORKDIR}/defconfig
 120             echo "CONFIG_ARM_ERRATA_430973=y" >> ${S}/.config
 121         fi
 122
 123         #
 124         # endian support
 125         #
 126         if [ "${SITEINFO_ENDIANNESS}" = "be" ]; then
 127                 echo "CONFIG_CPU_BIG_ENDIAN=y"          >> ${S}/.config
 128         fi
 129
 130         echo "CONFIG_CMDLINE=\"${CMDLINE}\"" >> ${S}/.config
 131
 132         sed -e '/CONFIG_AEABI/d' \
 133             -e '/CONFIG_OABI_COMPAT=/d' \
 134             -e '/CONFIG_CMDLINE=/d' \
 135             -e '/CONFIG_CPU_BIG_ENDIAN/d' \
 136             -e '/CONFIG_LOGO=/d' \
 137             -e '/CONFIG_LOGO_LINUX_CLUT224=/d' \
 138             -e '/CONFIG_LOCALVERSION/d' \
 139             -e '/CONFIG_LOCALVERSION_AUTO/d' \
 140             < '${WORKDIR}/defconfig' >>'${S}/.config'
 141
 142         echo 'CONFIG_LOCALVERSION=""' >>${S}/.config
 143         echo '# CONFIG_LOCALVERSION_AUTO is not set' >>${S}/.config
 144
 145         #
 146         # Udev quirks
 147         #
 148
 149         # Newer versions of udev mandate that sysfs doesn't have deprecated entries
 150         if [ "${UDEV_GE_141}" = "1" ] ; then
 151             sed -e /CONFIG_SYSFS_DEPRECATED/d \
 152                 -e /CONFIG_SYSFS_DEPRECATED_V2/d \
 153                 -e /CONFIG_HOTPLUG/d \
 154                 -e /CONFIG_UEVENT_HELPER_PATH/d \
 155                 -e /CONFIG_UNIX/d \
 156                 -e /CONFIG_SYSFS/d \
 157                 -e /CONFIG_PROC_FS/d \
 158                 -e /CONFIG_TMPFS/d \
 159                 -e /CONFIG_INOTIFY_USER/d \
 160                 -e /CONFIG_SIGNALFD/d \
 161                 -e /CONFIG_TMPFS_POSIX_ACL/d \
 162                 -e /CONFIG_BLK_DEV_BSG/d \
 163                 -i '${S}/.config'
 164
 165             echo '# CONFIG_SYSFS_DEPRECATED is not set' >> ${S}/.config
 166             echo '# CONFIG_SYSFS_DEPRECATED_V2 is not set' >> ${S}/.config
 167             echo 'CONFIG_HOTPLUG=y' >> ${S}/.config
 168             echo 'CONFIG_UEVENT_HELPER_PATH=""' >> ${S}/.config
 169             echo 'CONFIG_UNIX=y' >> ${S}/.config
 170             echo 'CONFIG_SYSFS=y' >> ${S}/.config
 171             echo 'CONFIG_PROC_FS=y' >> ${S}/.config
 172             echo 'CONFIG_TMPFS=y' >> ${S}/.config
 173             echo 'CONFIG_INOTIFY_USER=y' >> ${S}/.config
 174             echo 'CONFIG_SIGNALFD=y' >> ${S}/.config
 175             echo 'CONFIG_TMPFS_POSIX_ACL=y' >> ${S}/.config
 176             echo 'CONFIG_BLK_DEV_BSG=y' >> ${S}/.config
 177             echo 'CONFIG_DEVTMPFS=y' >> ${S}/.config
 178             echo 'CONFIG_DEVTMPFS_MOUNT=y' >> ${S}/.config
 179         fi
 180
 181         # Newer inits like systemd need cgroup support
 182         if [ "${KERNEL_ENABLE_CGROUPS}" = "1" ] ; then
 183             sed -e /CONFIG_CGROUP_SCHED/d \
 184                 -e /CONFIG_CGROUPS/d \
 185                 -i '${S}/.config'
 186
 187             echo 'CONFIG_CGROUP_SCHED=y' >> ${S}/.config
 188             echo 'CONFIG_CGROUPS=y' >> ${S}/.config
 189             echo 'CONFIG_CGROUP_NS=y' >> ${S}/.config
 190             echo 'CONFIG_CGROUP_FREEZER=y' >> ${S}/.config
 191             echo 'CONFIG_CGROUP_DEVICE=y' >> ${S}/.config
 192             echo 'CONFIG_CPUSETS=y' >> ${S}/.config
 193             echo 'CONFIG_PROC_PID_CPUSET=y' >> ${S}/.config
 194             echo 'CONFIG_CGROUP_CPUACCT=y' >> ${S}/.config
 195             echo 'CONFIG_RESOURCE_COUNTERS=y' >> ${S}/.config
 196         fi
 197
 198         #
 199         # root-over-nfs-over-usb-eth support. Limited, but should cover some cases.
 200         # Enable this by setting a proper CMDLINE_NFSROOT_USB.
 201         #
 202         if [ ! -z "${CMDLINE_NFSROOT_USB}" ]; then
 203                 oenote "Configuring the kernel for root-over-nfs-over-usb-eth with CMDLINE ${CMDLINE_NFSROOT_USB}"
 204                 sed -e '/CONFIG_INET/d' \
 205                     -e '/CONFIG_IP_PNP=/d' \
 206                     -e '/CONFIG_USB_GADGET=/d' \
 207                     -e '/CONFIG_USB_GADGET_SELECTED=/d' \
 208                     -e '/CONFIG_USB_ETH=/d' \
 209                     -e '/CONFIG_NFS_FS=/d' \
 210                     -e '/CONFIG_ROOT_NFS=/d' \
 211                     -e '/CONFIG_CMDLINE=/d' \
 212                     -i ${S}/.config
 213                 echo "CONFIG_INET=y"                     >> ${S}/.config
 214                 echo "CONFIG_IP_PNP=y"                   >> ${S}/.config
 215                 echo "CONFIG_USB_GADGET=y"               >> ${S}/.config
 216                 echo "CONFIG_USB_GADGET_SELECTED=y"      >> ${S}/.config
 217                 echo "CONFIG_USB_ETH=y"                  >> ${S}/.config
 218                 echo "CONFIG_NFS_FS=y"                   >> ${S}/.config
 219                 echo "CONFIG_ROOT_NFS=y"                 >> ${S}/.config
 220                 echo "CONFIG_CMDLINE=\"${CMDLINE_NFSROOT_USB}\"" >> ${S}/.config
 221         fi
 222                 yes '' | oe_runmake oldconfig
 223 }
 224
 225 do_configure_append() {
 226         if test -e scripts/Makefile.fwinst ; then
 227                 sed -i -e "s:-m0644:-m 0644:g" scripts/Makefile.fwinst
 228         fi
 229 }
 230
 231 do_install_append() {
 232         oe_runmake headers_install INSTALL_HDR_PATH=${D}${exec_prefix}/src/linux-${KERNEL_VERSION} ARCH=$ARCH
 233 }
 234
 235 PACKAGES =+ "kernel-headers"
 236 FILES_kernel-headers = "${exec_prefix}/src/linux*"
 237
 238 do_devicetree_image() {
 239     if test -n "${KERNEL_DEVICETREE}" ; then
 240         dtc -I dts -O dtb ${KERNEL_DEVICETREE_FLAGS} -o devicetree ${KERNEL_DEVICETREE}
 241         install -d ${D}/boot
 242         install -m 0644 devicetree ${D}/boot/devicetree-${KERNEL_VERSION}
 243         install -d ${DEPLOY_DIR_IMAGE}
 244         install -m 0644 devicetree ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.dtb
 245         package_stagefile_shell ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.dtb
 246         cd ${DEPLOY_DIR_IMAGE}
 247         rm -f ${KERNEL_IMAGE_SYMLINK_NAME}.dtb
 248         ln -sf ${KERNEL_IMAGE_BASE_NAME}.dtb ${KERNEL_IMAGE_SYMLINK_NAME}.dtb
 249         package_stagefile_shell ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_SYMLINK_NAME}.dtb
 250     fi
 251 }
 252
 253 addtask devicetree_image after do_install before do_package do_deploy
 254
 255 pkg_postinst_kernel-devicetree () {
 256         cd /${KERNEL_IMAGEDEST}; update-alternatives --install /${KERNEL_IMAGEDEST}/devicetree devicetree devicetree-${KERNEL_VERSION} ${KERNEL_PRIORITY} || true
 257 }
 258
 259 pkg_postrm_kernel-devicetree () {
 260         cd /${KERNEL_IMAGEDEST}; update-alternatives --remove devicetree devicetree-${KERNEL_VERSION} || true
 261 }
 262