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-rw-r--r--classes/kernel.bbclass215
1 files changed, 176 insertions, 39 deletions
diff --git a/classes/kernel.bbclass b/classes/kernel.bbclass
index 5976f42c71..83530b5a5e 100644
--- a/classes/kernel.bbclass
+++ b/classes/kernel.bbclass
@@ -3,14 +3,38 @@ inherit linux-kernel-base module_strip
PROVIDES += "virtual/kernel"
DEPENDS += "virtual/${TARGET_PREFIX}depmod-${@get_kernelmajorversion('${PV}')} virtual/${TARGET_PREFIX}gcc${KERNEL_CCSUFFIX} update-modules"
+KERNEL_IMAGETYPE ?= "zImage"
+
+# Add dependency on mkimage for kernels that build a uImage
+
+python __anonymous () {
+ kerneltype = bb.data.getVar('KERNEL_IMAGETYPE', d, 1) or ''
+ if kerneltype == 'uImage':
+ depends = bb.data.getVar("DEPENDS", d, 1)
+ depends = "%s u-boot-mkimage-openmoko-native" % depends
+ bb.data.setVar("DEPENDS", depends, d)
+
+ image = bb.data.getVar('INITRAMFS_IMAGE', d, True)
+ if image != '' and image is not None:
+ bb.data.setVar('INITRAMFS_TASK', '${INITRAMFS_IMAGE}:do_rootfs', d)
+
+ machine_kernel_pr = bb.data.getVar('MACHINE_KERNEL_PR', d, True)
+
+ if machine_kernel_pr:
+ bb.data.setVar('PR', machine_kernel_pr, d)
+}
+
+INITRAMFS_IMAGE ?= ""
+INITRAMFS_TASK ?= ""
+
inherit kernel-arch
PACKAGES_DYNAMIC += "kernel-module-*"
PACKAGES_DYNAMIC += "kernel-image-*"
+PACKAGES_DYNAMIC += "kernel-firmware-*"
export OS = "${TARGET_OS}"
export CROSS_COMPILE = "${TARGET_PREFIX}"
-KERNEL_IMAGETYPE ?= "zImage"
KERNEL_PRIORITY = "${@bb.data.getVar('PV',d,1).split('-')[0].split('.')[-1]}"
@@ -30,7 +54,8 @@ HOST_LD_KERNEL_ARCH ?= "${TARGET_LD_KERNEL_ARCH}"
KERNEL_CC = "${CCACHE}${HOST_PREFIX}gcc${KERNEL_CCSUFFIX} ${HOST_CC_KERNEL_ARCH}"
KERNEL_LD = "${LD}${KERNEL_LDSUFFIX} ${HOST_LD_KERNEL_ARCH}"
-KERNEL_OUTPUT = "arch/${ARCH}/boot/${KERNEL_IMAGETYPE}"
+# Where built kernel lies in the kernel tree
+KERNEL_OUTPUT ?= "arch/${ARCH}/boot/${KERNEL_IMAGETYPE}"
KERNEL_IMAGEDEST = "boot"
#
@@ -46,6 +71,14 @@ KERNEL_LOCALVERSION ?= ""
# kernels are generally machine specific
PACKAGE_ARCH = "${MACHINE_ARCH}"
+# U-Boot support
+UBOOT_ENTRYPOINT ?= "20008000"
+UBOOT_LOADADDRESS ?= "${UBOOT_ENTRYPOINT}"
+
+# For the kernel, we don't want the '-e MAKEFLAGS=' in EXTRA_OEMAKE.
+# We don't want to override kernel Makefile variables from the environment
+EXTRA_OEMAKE = ""
+
kernel_do_compile() {
unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
oe_runmake include/linux/version.h CC="${KERNEL_CC}" LD="${KERNEL_LD}"
@@ -59,14 +92,35 @@ kernel_do_compile() {
oenote "no modules to compile"
fi
}
+kernel_do_compile[depends] = "${INITRAMFS_TASK}"
kernel_do_stage() {
- ASMDIR=`readlink include/asm`
+ if [ -e include/asm ] ; then
+ # This link is generated only in kernel before 2.6.33-rc1, don't stage it for newer kernels
+ ASMDIR=`readlink include/asm`
+
+ mkdir -p ${STAGING_KERNEL_DIR}/include/$ASMDIR
+ cp -fR include/$ASMDIR/* ${STAGING_KERNEL_DIR}/include/$ASMDIR/
+ fi
+ # Kernel 2.6.27 moved headers from includes/asm-${ARCH} to arch/${ARCH}/include/asm
+ if [ -e arch/${ARCH}/include/asm/ ] ; then
+ if [ -e include/asm ] ; then
+ cp -fR arch/${ARCH}/include/asm/* ${STAGING_KERNEL_DIR}/include/$ASMDIR/
+ fi
+ install -d ${STAGING_KERNEL_DIR}/arch/${ARCH}/include
+ cp -fR arch/${ARCH}/* ${STAGING_KERNEL_DIR}/arch/${ARCH}/
+
+ # Check for arch/x86 on i386
+ elif [ -d arch/x86/include/asm/ ]; then
+ cp -fR arch/x86/include/asm/* ${STAGING_KERNEL_DIR}/include/asm-x86/
+ install -d ${STAGING_KERNEL_DIR}/arch/x86/include
+ cp -fR arch/x86/* ${STAGING_KERNEL_DIR}/arch/x86/
+ fi
- mkdir -p ${STAGING_KERNEL_DIR}/include/$ASMDIR
- cp -fR include/$ASMDIR/* ${STAGING_KERNEL_DIR}/include/$ASMDIR/
- rm -f $ASMDIR ${STAGING_KERNEL_DIR}/include/asm
- ln -sf $ASMDIR ${STAGING_KERNEL_DIR}/include/asm
+ if [ -e include/asm ] ; then
+ rm -f ${STAGING_KERNEL_DIR}/include/asm
+ ln -sf $ASMDIR ${STAGING_KERNEL_DIR}/include/asm
+ fi
mkdir -p ${STAGING_KERNEL_DIR}/include/asm-generic
cp -fR include/asm-generic/* ${STAGING_KERNEL_DIR}/include/asm-generic/
@@ -80,25 +134,12 @@ kernel_do_stage() {
mkdir -p ${STAGING_KERNEL_DIR}/include/pcmcia
cp -fR include/pcmcia/* ${STAGING_KERNEL_DIR}/include/pcmcia/
- if [ -d drivers/crypto ]; then
- mkdir -p ${STAGING_KERNEL_DIR}/drivers/crypto
- cp -fR drivers/crypto/* ${STAGING_KERNEL_DIR}/drivers/crypto/
- fi
-
- if [ -d include/media ]; then
- mkdir -p ${STAGING_KERNEL_DIR}/include/media
- cp -fR include/media/* ${STAGING_KERNEL_DIR}/include/media/
- fi
-
- if [ -d include/acpi ]; then
- mkdir -p ${STAGING_KERNEL_DIR}/include/acpi
- cp -fR include/acpi/* ${STAGING_KERNEL_DIR}/include/acpi/
- fi
-
- if [ -d include/sound ]; then
- mkdir -p ${STAGING_KERNEL_DIR}/include/sound
- cp -fR include/sound/* ${STAGING_KERNEL_DIR}/include/sound/
- fi
+ for entry in drivers/crypto drivers/media include/media include/acpi include/sound include/video include/scsi include/trace; do
+ if [ -d $entry ]; then
+ mkdir -p ${STAGING_KERNEL_DIR}/$entry
+ cp -fR $entry/* ${STAGING_KERNEL_DIR}/$entry/
+ fi
+ done
if [ -d drivers/sound ]; then
# 2.4 alsa needs some headers from this directory
@@ -120,8 +161,14 @@ kernel_do_stage() {
if [ -e arch/${ARCH}/Makefile ]; then
install -d ${STAGING_KERNEL_DIR}/arch/${ARCH}
install -m 0644 arch/${ARCH}/Makefile* ${STAGING_KERNEL_DIR}/arch/${ARCH}
+ # Otherwise check arch/x86/Makefile for i386 and x86_64 on kernels >= 2.6.24
+ elif [ -e arch/x86/Makefile ]; then
+ install -d ${STAGING_KERNEL_DIR}/arch/x86
+ install -m 0644 arch/x86/Makefile* ${STAGING_KERNEL_DIR}/arch/x86
fi
cp -fR include/config* ${STAGING_KERNEL_DIR}/include/
+ # Install kernel images and system.map to staging
+ [ -e vmlinux ] && install -m 0644 vmlinux ${STAGING_KERNEL_DIR}/
install -m 0644 ${KERNEL_OUTPUT} ${STAGING_KERNEL_DIR}/${KERNEL_IMAGETYPE}
install -m 0644 System.map ${STAGING_KERNEL_DIR}/System.map-${KERNEL_VERSION}
[ -e Module.symvers ] && install -m 0644 Module.symvers ${STAGING_KERNEL_DIR}/
@@ -143,6 +190,7 @@ kernel_do_install() {
install -m 0644 System.map ${D}/boot/System.map-${KERNEL_VERSION}
install -m 0644 .config ${D}/boot/config-${KERNEL_VERSION}
install -m 0644 vmlinux ${D}/boot/vmlinux-${KERNEL_VERSION}
+ [ -e Module.symvers ] && install -m 0644 Module.symvers ${D}/boot/Module.symvers-${KERNEL_VERSION}
install -d ${D}/etc/modutils
if [ "${KERNEL_MAJOR_VERSION}" = "2.6" ]; then
install -d ${D}/etc/modprobe.d
@@ -158,7 +206,14 @@ kernel_do_install() {
}
kernel_do_configure() {
- yes '' | oe_runmake oldconfig
+ yes '' | oe_runmake oldconfig
+ if [ ! -z "${INITRAMFS_IMAGE}" ]; then
+ for img in cpio.gz cpio.lzo cpio.lzma; do
+ if [ -e "${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE}-${MACHINE}.$img" ]; then
+ cp "${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE}-${MACHINE}.$img" initramfs.$img
+ fi
+ done
+ fi
}
do_menuconfig() {
@@ -171,7 +226,7 @@ do_menuconfig() {
fi
}
do_menuconfig[nostamp] = "1"
-addtask menuconfig after do_patch
+addtask menuconfig after do_configure
pkg_postinst_kernel () {
cd /${KERNEL_IMAGEDEST}; update-alternatives --install /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE}-${KERNEL_VERSION} ${KERNEL_PRIORITY} || true
@@ -190,9 +245,11 @@ EXPORT_FUNCTIONS do_compile do_install do_stage do_configure
PACKAGES = "kernel kernel-base kernel-image kernel-dev kernel-vmlinux"
FILES = ""
FILES_kernel-image = "/boot/${KERNEL_IMAGETYPE}*"
-FILES_kernel-dev = "/boot/System.map* /boot/config*"
+FILES_kernel-dev = "/boot/System.map* /boot/Module.symvers* /boot/config*"
FILES_kernel-vmlinux = "/boot/vmlinux*"
RDEPENDS_kernel = "kernel-base"
+RRECOMMENDS_kernel-module-hostap-cs += '${@base_version_less_or_equal("KERNEL_VERSION", "2.6.17", "", "apm-wifi-suspendfix", d)}'
+RRECOMMENDS_kernel-module-orinoco-cs += '${@base_version_less_or_equal("KERNEL_VERSION", "2.6.17", "", "apm-wifi-suspendfix", d)}'
# Allow machines to override this dependency if kernel image files are
# not wanted in images as standard
RDEPENDS_kernel-base ?= "kernel-image"
@@ -207,6 +264,9 @@ ALLOW_EMPTY_kernel-image = "1"
DEPENDS_kernel-module-dtl1-cs = "bluez-dtl1-workaround"
RDEPENDS_kernel-module-dtl1-cs = "bluez-dtl1-workaround"
+# renamed modules
+RPROVIDES_kernel-module-aes-generic = "kernel-module-aes"
+
pkg_postinst_kernel-image () {
if [ ! -e "$D/lib/modules/${KERNEL_VERSION}" ]; then
mkdir -p $D/lib/modules/${KERNEL_VERSION}
@@ -244,6 +304,8 @@ module_autoload_ipsec = "ipsec"
module_autoload_ircomm-tty = "ircomm-tty"
module_autoload_rfcomm = "rfcomm"
module_autoload_sa1100-rtc = "sa1100-rtc"
+# sa1100-rtc was renamed in 2.6.23 onwards
+module_autoload_rtc-sa1100 = "rtc-sa1100"
# alias defaults (alphabetically sorted)
module_conf_af_packet = "alias net-pf-17 af_packet"
@@ -255,14 +317,18 @@ module_conf_sco = "alias bt-proto-2 sco"
module_conf_rfcomm = "alias bt-proto-3 rfcomm"
python populate_packages_prepend () {
+ import os
def extract_modinfo(file):
- import os, re
- tmpfile = os.tmpnam()
+ import tempfile, re
+ tempfile.tempdir = bb.data.getVar("WORKDIR", d, 1)
+ tf = tempfile.mkstemp()
+ tmpfile = tf[1]
cmd = "PATH=\"%s\" %sobjcopy -j .modinfo -O binary %s %s" % (bb.data.getVar("PATH", d, 1), bb.data.getVar("HOST_PREFIX", d, 1) or "", file, tmpfile)
os.system(cmd)
f = open(tmpfile)
l = f.read().split("\000")
f.close()
+ os.close(tf[0])
os.unlink(tmpfile)
exp = re.compile("([^=]+)=(.*)")
vals = {}
@@ -274,9 +340,9 @@ python populate_packages_prepend () {
return vals
def parse_depmod():
- import os, re
+ import re
- dvar = bb.data.getVar('D', d, 1)
+ dvar = bb.data.getVar('PKGD', d, 1)
if not dvar:
bb.error("D not defined")
return
@@ -325,10 +391,10 @@ python populate_packages_prepend () {
return deps
def get_dependencies(file, pattern, format):
- file = file.replace(bb.data.getVar('D', d, 1) or '', '', 1)
+ file = file.replace(bb.data.getVar('PKGD', d, 1) or '', '', 1)
if module_deps.has_key(file):
- import os.path, re
+ import re
dependencies = []
for i in module_deps[file]:
m = re.match(pattern, os.path.basename(i))
@@ -344,11 +410,14 @@ python populate_packages_prepend () {
import re
vals = extract_modinfo(file)
- dvar = bb.data.getVar('D', d, 1)
+ dvar = bb.data.getVar('PKGD', d, 1)
# If autoloading is requested, output /etc/modutils/<name> and append
# appropriate modprobe commands to the postinst
autoload = bb.data.getVar('module_autoload_%s' % basename, d, 1)
+ if not autoload:
+ # Also, try canonical name with dashes
+ autoload = bb.data.getVar('module_autoload_%s' % basename.replace('_', '-'), d, 1)
if autoload:
name = '%s/etc/modutils/%s' % (dvar, basename)
f = open(name, 'w')
@@ -394,13 +463,20 @@ python populate_packages_prepend () {
postinst = bb.data.getVar('pkg_postinst_modules', d, 1)
postrm = bb.data.getVar('pkg_postrm_modules', d, 1)
- do_split_packages(d, root='/lib/modules', file_regex=module_regex, output_pattern=module_pattern, description='%s kernel module', postinst=postinst, postrm=postrm, recursive=True, hook=frob_metadata, extra_depends='update-modules kernel-%s' % bb.data.getVar("KERNEL_VERSION", d, 1))
- import re, os
+ maybe_update_modules = "update-modules "
+ if bb.data.getVar("ONLINE_PACKAGE_MANAGEMENT", d) == "none":
+ maybe_update_modules = ""
+
+ do_split_packages(d, root='/lib/firmware', file_regex='^(.*)\.bin$', output_pattern='kernel-firmware-%s', description='Firmware for %s', recursive=True, extra_depends='')
+ do_split_packages(d, root='/lib/firmware', file_regex='^(.*)\.fw$', output_pattern='kernel-firmware-%s', description='Firmware for %s', recursive=True, extra_depends='')
+ do_split_packages(d, root='/lib/modules', file_regex=module_regex, output_pattern=module_pattern, description='%s kernel module', postinst=postinst, postrm=postrm, recursive=True, hook=frob_metadata, extra_depends='%skernel-%s' % (maybe_update_modules, bb.data.getVar("KERNEL_VERSION", d, 1)))
+
+ import re
metapkg = "kernel-modules"
bb.data.setVar('ALLOW_EMPTY_' + metapkg, "1", d)
bb.data.setVar('FILES_' + metapkg, "", d)
- blacklist = [ 'kernel-dev', 'kernel-image', 'kernel-base' ]
+ blacklist = [ 'kernel-dev', 'kernel-image', 'kernel-base', 'kernel-vmlinux' ]
for l in module_deps.values():
for i in l:
pkg = module_pattern % legitimize_package_name(re.match(module_regex, os.path.basename(i)).group(1))
@@ -415,3 +491,64 @@ python populate_packages_prepend () {
packages.append(metapkg)
bb.data.setVar('PACKAGES', ' '.join(packages), d)
}
+
+# Support checking the kernel size since some kernels need to reside in partitions
+# with a fixed length or there is a limit in transferring the kernel to memory
+do_sizecheck() {
+ if [ ! -z "${KERNEL_IMAGE_MAXSIZE}" -a -z "${DONT_CHECK_KERNELSIZE}" ]; then
+ size=`ls -l ${KERNEL_OUTPUT} | awk '{ print $5}'`
+ if [ $size -ge ${KERNEL_IMAGE_MAXSIZE} ]; then
+ rm ${KERNEL_OUTPUT}
+ die "This kernel (size=$size > ${KERNEL_IMAGE_MAXSIZE}) is too big for your device. Please reduce the size of the kernel by making more of it modular."
+ fi
+ fi
+}
+
+addtask sizecheck before do_install after do_compile
+
+do_uboot_mkimage() {
+ if test "x${KERNEL_IMAGETYPE}" = "xuImage" ; then
+ ENTRYPOINT=${UBOOT_ENTRYPOINT}
+ if test -n "${UBOOT_ENTRYSYMBOL}"; then
+ ENTRYPOINT=`${HOST_PREFIX}nm ${S}/vmlinux | \
+ awk '$3=="${UBOOT_ENTRYSYMBOL}" {print $1}'`
+ fi
+ if test -e arch/${ARCH}/boot/compressed/vmlinux ; then
+ ${OBJCOPY} -O binary -R .note -R .comment -S arch/${ARCH}/boot/compressed/vmlinux linux.bin
+ uboot-mkimage -A ${UBOOT_ARCH} -O linux -T kernel -C none -a ${UBOOT_LOADADDRESS} -e $ENTRYPOINT -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin arch/${ARCH}/boot/uImage
+ rm -f linux.bin
+ else
+ ${OBJCOPY} -O binary -R .note -R .comment -S vmlinux linux.bin
+ rm -f linux.bin.gz
+ gzip -9 linux.bin
+ uboot-mkimage -A ${UBOOT_ARCH} -O linux -T kernel -C gzip -a ${UBOOT_LOADADDRESS} -e $ENTRYPOINT -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin.gz arch/${ARCH}/boot/uImage
+ rm -f linux.bin.gz
+ fi
+ fi
+}
+
+addtask uboot_mkimage before do_install after do_compile
+
+KERNEL_IMAGE_BASE_NAME ?= "${KERNEL_IMAGETYPE}-${PV}-${PR}-${MACHINE}"
+KERNEL_IMAGE_SYMLINK_NAME ?= "${KERNEL_IMAGETYPE}-${MACHINE}"
+MODULES_IMAGE_BASE_NAME ?= modules-${PV}-${PR}-${MACHINE}
+
+do_deploy() {
+ install -d ${DEPLOY_DIR_IMAGE}
+ install -m 0644 ${KERNEL_OUTPUT} ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.bin
+ package_stagefile_shell ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.bin
+
+ if [ -d "${PKGD}/lib" ]; then
+ fakeroot tar -cvzf ${DEPLOY_DIR_IMAGE}/${MODULES_IMAGE_BASE_NAME}.tgz -C ${PKGD} lib
+ fi
+
+ cd ${DEPLOY_DIR_IMAGE}
+ rm -f ${KERNEL_IMAGE_SYMLINK_NAME}.bin
+ ln -sf ${KERNEL_IMAGE_BASE_NAME}.bin ${KERNEL_IMAGE_SYMLINK_NAME}.bin
+ package_stagefile_shell ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_SYMLINK_NAME}.bin
+}
+
+do_deploy[dirs] = "${S}"
+do_deploy[depends] += "fakeroot-native:do_populate_staging"
+
+addtask deploy before do_build after do_package
generated by cgit v1.2.3 (git 2.25.1) at 2026-05-31 18:09:48 +0000