Files
poky/meta/classes/kernel.bbclass
Joshua Lock 5bec733fb1 kernel.bbclass: tidy up staging of headers
The changes merged from upstream used the ASMDIR variable even when it might
not have been set. These changes may be incorrect but at the very least I can
now build a QEMU image (including v86d) with the 2.6.33 kernel now.

Signed-off-by: Joshua Lock <josh@linux.intel.com>
2010-05-20 16:09:39 +01:00

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inherit linux-kernel-base module_strip
PROVIDES += "virtual/kernel"
DEPENDS += "virtual/${TARGET_PREFIX}gcc virtual/${TARGET_PREFIX}depmod-${@get_kernelmajorversion('${PV}')} virtual/${TARGET_PREFIX}gcc${KERNEL_CCSUFFIX} update-modules"
# we include gcc above, we dont need virtual/libc
INHIBIT_DEFAULT_DEPS = "1"
KERNEL_IMAGETYPE ?= "zImage"
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-native" % depends
bb.data.setVar("DEPENDS", depends, d)
}
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_PRIORITY = "${@bb.data.getVar('PV',d,1).split('-')[0].split('.')[-1]}"
KERNEL_RELEASE ?= "${KERNEL_VERSION}"
KERNEL_CCSUFFIX ?= ""
KERNEL_LDSUFFIX ?= ""
# Set TARGET_??_KERNEL_ARCH in the machine .conf to set architecture
# specific options necessary for building the kernel and modules.
#FIXME: should be this: TARGET_CC_KERNEL_ARCH ?= "${TARGET_CC_ARCH}"
TARGET_CC_KERNEL_ARCH ?= ""
HOST_CC_KERNEL_ARCH ?= "${TARGET_CC_KERNEL_ARCH}"
TARGET_LD_KERNEL_ARCH ?= ""
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} ${HOST_LD_KERNEL_ARCH}"
# Where built kernel lies in the kernel tree
KERNEL_OUTPUT ?= "arch/${ARCH}/boot/${KERNEL_IMAGETYPE}"
KERNEL_IMAGEDEST = "boot"
#
# configuration
#
export CMDLINE_CONSOLE = "console=${@bb.data.getVar("KERNEL_CONSOLE",d,1) or "ttyS0"}"
KERNEL_VERSION = "${@get_kernelversion('${B}')}"
KERNEL_MAJOR_VERSION = "${@get_kernelmajorversion('${KERNEL_VERSION}')}"
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}"
if [ "${KERNEL_MAJOR_VERSION}" != "2.6" ]; then
oe_runmake dep CC="${KERNEL_CC}" LD="${KERNEL_LD}"
fi
oe_runmake ${KERNEL_IMAGETYPE} CC="${KERNEL_CC}" LD="${KERNEL_LD}"
if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
oe_runmake modules CC="${KERNEL_CC}" LD="${KERNEL_LD}"
else
oenote "no modules to compile"
fi
}
kernel_do_install() {
unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
oe_runmake DEPMOD=echo INSTALL_MOD_PATH="${D}" modules_install
else
oenote "no modules to install"
fi
install -d ${D}/${KERNEL_IMAGEDEST}
install -d ${D}/boot
install -m 0644 ${KERNEL_OUTPUT} ${D}/${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE}-${KERNEL_VERSION}
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 ${D}/etc/modprobe.d
fi
# Check if scripts/genksyms exists and if so, build it
if [ -e scripts/genksyms/ ]; then
oe_runmake SUBDIRS="scripts/genksyms"
fi
kerneldir=${D}/kernel/
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 $kerneldir/include/$ASMDIR
cp -fR include/$ASMDIR/* $kerneldir/include/$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/* $kerneldir/include/asm/
fi
install -d $kerneldir/arch/${ARCH}/include
cp -fR arch/${ARCH}/* $kerneldir/arch/${ARCH}/
# Check for arch/x86 on i386
elif [ -d arch/x86/include/asm/ ]; then
if [ -e include/asm ] ; then
cp -fR arch/x86/include/asm/* $kerneldir/include/asm/
fi
install -d $kerneldir/arch/x86/include
cp -fR arch/x86/* $kerneldir/arch/x86/
fi
# ASMDIR is not always set ...
if [ -e include/asm ] ; then
rm -f $kerneldir/include/asm
if [ -n $ASMDIR ] ; then
ln -sf $ASMDIR $kerneldir/include/asm
fi
fi
mkdir -p $kerneldir/include/asm-generic
cp -fR include/asm-generic/* $kerneldir/include/asm-generic/
for entry in drivers/crypto drivers/media include/generated include/linux include/net include/pcmcia include/media include/acpi include/sound include/video include/scsi include/trace include/mtd include/rdma include/drm include/xen; do
if [ -d $entry ]; then
mkdir -p $kerneldir/$entry
cp -fR $entry/* $kerneldir/$entry/
fi
done
if [ -f include/Kbuild ]; then
cp -fR include/Kbuild $kerneldir/include
fi
if [ -d drivers/sound ]; then
# 2.4 alsa needs some headers from this directory
mkdir -p $kerneldir/include/drivers/sound
cp -fR drivers/sound/*.h $kerneldir/include/drivers/sound/
fi
install -m 0644 .config $kerneldir/config-${KERNEL_VERSION}
ln -sf config-${KERNEL_VERSION} $kerneldir/.config
ln -sf config-${KERNEL_VERSION} $kerneldir/kernel-config
echo "${KERNEL_VERSION}" >$kerneldir/kernel-abiversion
echo "${S}" >$kerneldir/kernel-source
echo "${KERNEL_CCSUFFIX}" >$kerneldir/kernel-ccsuffix
echo "${KERNEL_LDSUFFIX}" >$kerneldir/kernel-ldsuffix
[ -e Rules.make ] && install -m 0644 Rules.make $kerneldir/
[ -e Makefile ] && install -m 0644 Makefile $kerneldir/
# Check if arch/${ARCH}/Makefile exists and install it
if [ -e arch/${ARCH}/Makefile ]; then
install -d $kerneldir/arch/${ARCH}
install -m 0644 arch/${ARCH}/Makefile* $kerneldir/arch/${ARCH}
# Otherwise check arch/x86/Makefile for i386 and x86_64 on kernels >= 2.6.24
elif [ -e arch/x86/Makefile ]; then
install -d $kerneldir/arch/x86
install -m 0644 arch/x86/Makefile* $kerneldir/arch/x86
fi
cp -fR include/config* $kerneldir/include/
# Install kernel images and system.map to staging
[ -e vmlinux ] && install -m 0644 vmlinux $kerneldir/
install -m 0644 ${KERNEL_OUTPUT} $kerneldir/${KERNEL_IMAGETYPE}
install -m 0644 System.map $kerneldir/System.map-${KERNEL_VERSION}
[ -e Module.symvers ] && install -m 0644 Module.symvers $kerneldir/
cp -fR scripts $kerneldir/
}
sysroot_stage_all_append() {
sysroot_stage_dir ${D}/kernel ${SYSROOT_DESTDIR}${STAGING_KERNEL_DIR}
}
kernel_do_configure() {
yes '' | oe_runmake oldconfig
}
do_menuconfig() {
export TERMWINDOWTITLE="${PN} Kernel Configuration"
export SHELLCMDS="make menuconfig"
${TERMCMDRUN}
if [ $? -ne 0 ]; then
echo "Fatal: '${TERMCMD}' not found. Check TERMCMD variable."
exit 1
fi
}
do_menuconfig[nostamp] = "1"
addtask menuconfig after do_patch
pkg_postinst_kernel () {
cd /${KERNEL_IMAGEDEST}; update-alternatives --install /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE}-${KERNEL_VERSION} ${KERNEL_PRIORITY} || true
}
pkg_postrm_kernel () {
cd /${KERNEL_IMAGEDEST}; update-alternatives --remove ${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE}-${KERNEL_VERSION} || true
}
inherit cml1
EXPORT_FUNCTIONS do_compile do_install do_configure
# kernel-base becomes kernel-${KERNEL_VERSION}
# kernel-image becomes kernel-image-${KERNEL_VERISON}
PACKAGES = "kernel kernel-base kernel-image kernel-dev kernel-vmlinux"
FILES = ""
FILES_kernel-image = "/boot/${KERNEL_IMAGETYPE}*"
FILES_kernel-dev = "/boot/System.map* /boot/Module.symvers* /boot/config*"
FILES_kernel-vmlinux = "/boot/vmlinux*"
RDEPENDS_kernel = "kernel-base"
# Allow machines to override this dependency if kernel image files are
# not wanted in images as standard
RDEPENDS_kernel-base ?= "kernel-image"
PKG_kernel-image = "kernel-image-${KERNEL_VERSION}"
PKG_kernel-base = "kernel-${KERNEL_VERSION}"
ALLOW_EMPTY_kernel = "1"
ALLOW_EMPTY_kernel-base = "1"
ALLOW_EMPTY_kernel-image = "1"
# Userspace workarounds for kernel modules issues
# This is shame, fix the kernel instead!
DEPENDS_kernel-module-dtl1-cs = "bluez-dtl1-workaround"
RDEPENDS_kernel-module-dtl1-cs = "bluez-dtl1-workaround"
pkg_postinst_kernel-image () {
if [ ! -e "$D/lib/modules/${KERNEL_VERSION}" ]; then
mkdir -p $D/lib/modules/${KERNEL_VERSION}
fi
if [ -n "$D" ]; then
${HOST_PREFIX}depmod-${KERNEL_MAJOR_VERSION} -A -b $D -F ${STAGING_KERNEL_DIR}/System.map-${KERNEL_VERSION} ${KERNEL_VERSION}
else
depmod -a
fi
}
pkg_postinst_modules () {
if [ -n "$D" ]; then
${HOST_PREFIX}depmod-${KERNEL_MAJOR_VERSION} -A -b $D -F ${STAGING_KERNEL_DIR}/System.map-${KERNEL_VERSION} ${KERNEL_VERSION}
else
depmod -a
update-modules || true
fi
}
pkg_postrm_modules () {
update-modules || true
}
autoload_postinst_fragment() {
if [ x"$D" = "x" ]; then
modprobe %s || true
fi
}
# autoload defaults (alphabetically sorted)
module_autoload_hidp = "hidp"
module_autoload_ipv6 = "ipv6"
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"
module_conf_bluez = "alias net-pf-31 bluez"
module_conf_bnep = "alias bt-proto-4 bnep"
module_conf_hci_uart = "alias tty-ldisc-15 hci_uart"
module_conf_l2cap = "alias bt-proto-0 l2cap"
module_conf_sco = "alias bt-proto-2 sco"
module_conf_rfcomm = "alias bt-proto-3 rfcomm"
python populate_packages_prepend () {
def extract_modinfo(file):
import re
tmpfile = os.tmpnam()
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.unlink(tmpfile)
exp = re.compile("([^=]+)=(.*)")
vals = {}
for i in l:
m = exp.match(i)
if not m:
continue
vals[m.group(1)] = m.group(2)
return vals
def parse_depmod():
import re
dvar = bb.data.getVar('PKGD', d, 1)
if not dvar:
bb.error("PKGD not defined")
return
kernelver = bb.data.getVar('KERNEL_VERSION', d, 1)
kernelver_stripped = kernelver
m = re.match('^(.*-hh.*)[\.\+].*$', kernelver)
if m:
kernelver_stripped = m.group(1)
path = bb.data.getVar("PATH", d, 1)
host_prefix = bb.data.getVar("HOST_PREFIX", d, 1) or ""
major_version = bb.data.getVar('KERNEL_MAJOR_VERSION', d, 1)
cmd = "PATH=\"%s\" %sdepmod-%s -n -a -r -b %s -F %s/boot/System.map-%s %s" % (path, host_prefix, major_version, dvar, dvar, kernelver, kernelver_stripped)
f = os.popen(cmd, 'r')
deps = {}
pattern0 = "^(.*\.k?o):..*$"
pattern1 = "^(.*\.k?o):\s*(.*\.k?o)\s*$"
pattern2 = "^(.*\.k?o):\s*(.*\.k?o)\s*\\\$"
pattern3 = "^\t(.*\.k?o)\s*\\\$"
pattern4 = "^\t(.*\.k?o)\s*$"
line = f.readline()
while line:
if not re.match(pattern0, line):
line = f.readline()
continue
m1 = re.match(pattern1, line)
if m1:
deps[m1.group(1)] = m1.group(2).split()
else:
m2 = re.match(pattern2, line)
if m2:
deps[m2.group(1)] = m2.group(2).split()
line = f.readline()
m3 = re.match(pattern3, line)
while m3:
deps[m2.group(1)].extend(m3.group(1).split())
line = f.readline()
m3 = re.match(pattern3, line)
m4 = re.match(pattern4, line)
deps[m2.group(1)].extend(m4.group(1).split())
line = f.readline()
f.close()
return deps
def get_dependencies(file, pattern, format):
file = file.replace(bb.data.getVar('PKGD', d, 1) or '', '', 1)
if module_deps.has_key(file):
import re
dependencies = []
for i in module_deps[file]:
m = re.match(pattern, os.path.basename(i))
if not m:
continue
on = legitimize_package_name(m.group(1))
dependency_pkg = format % on
dependencies.append(dependency_pkg)
return dependencies
return []
def frob_metadata(file, pkg, pattern, format, basename):
import re
vals = extract_modinfo(file)
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 autoload:
name = '%s/etc/modutils/%s' % (dvar, basename)
f = open(name, 'w')
for m in autoload.split():
f.write('%s\n' % m)
f.close()
postinst = bb.data.getVar('pkg_postinst_%s' % pkg, d, 1)
if not postinst:
bb.fatal("pkg_postinst_%s not defined" % pkg)
postinst += bb.data.getVar('autoload_postinst_fragment', d, 1) % autoload
bb.data.setVar('pkg_postinst_%s' % pkg, postinst, d)
# Write out any modconf fragment
modconf = bb.data.getVar('module_conf_%s' % basename, d, 1)
if modconf:
if bb.data.getVar("KERNEL_MAJOR_VERSION", d, 1) == "2.6":
name = '%s/etc/modprobe.d/%s.conf' % (dvar, basename)
else:
name = '%s/etc/modutils/%s.conf' % (dvar, basename)
f = open(name, 'w')
f.write("%s\n" % modconf)
f.close()
files = bb.data.getVar('FILES_%s' % pkg, d, 1)
files = "%s /etc/modutils/%s /etc/modutils/%s.conf /etc/modprobe.d/%s.conf" % (files, basename, basename, basename)
bb.data.setVar('FILES_%s' % pkg, files, d)
if vals.has_key("description"):
old_desc = bb.data.getVar('DESCRIPTION_' + pkg, d, 1) or ""
bb.data.setVar('DESCRIPTION_' + pkg, old_desc + "; " + vals["description"], d)
rdepends_str = bb.data.getVar('RDEPENDS_' + pkg, d, 1)
if rdepends_str:
rdepends = rdepends_str.split()
else:
rdepends = []
rdepends.extend(get_dependencies(file, pattern, format))
bb.data.setVar('RDEPENDS_' + pkg, ' '.join(rdepends), d)
module_deps = parse_depmod()
module_regex = '^(.*)\.k?o$'
module_pattern = 'kernel-module-%s'
postinst = bb.data.getVar('pkg_postinst_modules', d, 1)
postrm = bb.data.getVar('pkg_postrm_modules', d, 1)
do_split_packages(d, root='/lib/firmware', file_regex='^(.*)\.bin$', output_pattern='kernel-firmware-%s', description='Firmware for %s', recursive=True, extra_depends='')
do_split_packages(d, root='/lib/firmware', file_regex='^(.*)\.fw$', output_pattern='kernel-firmware-%s', description='Firmware for %s', recursive=True, extra_depends='')
do_split_packages(d, root='/lib/modules', file_regex=module_regex, output_pattern=module_pattern, description='%s kernel module', postinst=postinst, postrm=postrm, recursive=True, hook=frob_metadata, extra_depends='update-modules kernel-%s' % bb.data.getVar("KERNEL_VERSION", d, 1))
import re
metapkg = "kernel-modules"
bb.data.setVar('ALLOW_EMPTY_' + metapkg, "1", d)
bb.data.setVar('FILES_' + metapkg, "", d)
blacklist = [ 'kernel-dev', 'kernel-image', 'kernel-base', 'kernel-vmlinux' ]
for l in module_deps.values():
for i in l:
pkg = module_pattern % legitimize_package_name(re.match(module_regex, os.path.basename(i)).group(1))
blacklist.append(pkg)
metapkg_rdepends = []
packages = bb.data.getVar('PACKAGES', d, 1).split()
for pkg in packages[1:]:
if not pkg in blacklist and not pkg in metapkg_rdepends:
metapkg_rdepends.append(pkg)
bb.data.setVar('RDEPENDS_' + metapkg, ' '.join(metapkg_rdepends), d)
bb.data.setVar('DESCRIPTION_' + metapkg, 'Kernel modules meta package', d)
packages.append(metapkg)
bb.data.setVar('PACKAGES', ' '.join(packages), d)
}
# Support checking the kernel size since some kernels need to reside in partitions
# with a fixed length or there is a limit in transferring the kernel to memory
do_sizecheck() {
if [ ! -z "${KERNEL_IMAGE_MAXSIZE}" ]; then
size=`ls -l arch/${ARCH}/boot/${KERNEL_IMAGETYPE} | awk '{ print $5}'`
if [ $size -ge ${KERNEL_IMAGE_MAXSIZE} ]; then
rm arch/${ARCH}/boot/${KERNEL_IMAGETYPE}
die "This kernel (size=$size > ${KERNEL_IMAGE_MAXSIZE}) is too big for your device. Please reduce the size of the kernel by making more of it modular."
fi
fi
}
addtask sizecheck before do_install after do_compile
KERNEL_IMAGE_BASE_NAME ?= "${KERNEL_IMAGETYPE}-${PV}-${PR}-${MACHINE}-${DATETIME}"
KERNEL_IMAGE_SYMLINK_NAME ?= "${KERNEL_IMAGETYPE}-${MACHINE}"
do_deploy() {
install -d ${DEPLOY_DIR_IMAGE}
install -m 0644 arch/${ARCH}/boot/${KERNEL_IMAGETYPE} ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.bin
package_stagefile_shell ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.bin
if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
tar -cvzf ${DEPLOY_DIR_IMAGE}/modules-${KERNEL_VERSION}-${PR}-${MACHINE}.tgz -C ${D} lib
fi
if test "x${KERNEL_IMAGETYPE}" = "xuImage" ; then
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 ${ARCH} -O linux -T kernel -C none -a ${UBOOT_ENTRYPOINT} -e ${UBOOT_ENTRYPOINT} -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin ${DEPLOY_DIR_IMAGE}/uImage-${PV}-${PR}-${MACHINE}-${DATETIME}.bin
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 ${ARCH} -O linux -T kernel -C gzip -a ${UBOOT_ENTRYPOINT} -e ${UBOOT_ENTRYPOINT} -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin.gz ${DEPLOY_DIR_IMAGE}/uImage-${PV}-${PR}-${MACHINE}-${DATETIME}.bin
rm -f linux.bin.gz
fi
package_stagefile_shell ${DEPLOY_DIR_IMAGE}/uImage-${PV}-${PR}-${MACHINE}-${DATETIME}.bin
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}"
addtask deploy before do_package after do_install