R11-unstable/include/kernel.sminc

# kernel global smage functions
# $Id$

# needed extra vars:
#  ${KERNEL_TYPE}:       needed, 'sources', 'headers' or 'image'
#  ${BRANCH}:            needed, style branch of the kernel
#  ${KERNEL_CONFIG}:     optional, needed if you want to override the default
#                        searchpath ${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}
#
#  ${PSUBVER}:           optional, only needed for 2.6.x.x naming scheme
#  ${EXTRAVERSION}:      optinal, extra version for the kernel name
#                        default setting is ${PSUBVER}-${BRANCH}-${PBUILD}
#  ${KERNEL_IMAGE_PATH}: override the default KERNEL_IMAGE_PATH (to build xen images for e.g.)
#  ${COMPRESS_MODULES}:  compresses the kernel modules with given compressor (gzip|bzip2|xz)
#  ${LINUX_FIRMWARE}:    remove included firmware bits if requested
#                        set the version here like USE_LINUX_FIRMARE="20110605"
#                        version "internal" keeps the bits too
#

sminclude mtools

# remove me when all distris support this:
if [[ ${USE_KERNEL_ARCH_EXTENSION} = true ]]
then
	KERNEL_ARCH_EXTENSION="-${ARCH}"
else
	KERNEL_ARCH_EXTENSION=""
fi

if [[ ! -z ${COMPRESS_MODULES} ]]
then
	case ${COMPRESS_MODULES} in
		gzip)
			COMPRESS_MODULES_CMD="gzip -9v"
			SDEPEND="${SDEPEND}
				>= app-arch/gzip-1.4"
			;;
		bzip2)
			COMPRESS_MODULES_CMD="bzip2 -9v"
			SDEPEND="${SDEPEND}
				>= app-arch/bzip2-1.0.6"
			;;
		xz)
			COMPRESS_MODULES_CMD="xz -9v"
			SDEPEND="${SDEPEND}
				>= app-arch/xz-5"
			;;
		none)
			echo "Disabled compressed kernel-modules!"
			COMPRESS_MODULES_CMD=""
			;;
		*) die "Unkown compression format '${COMPRESS_MODULES}'" ;;
	esac
fi

# some sane defaults
: ${PCAT="sys-kernel"}
: ${HOMEPAGE="http://magellan-linux.de/"}
: ${TARBALLPVER="${PVER}"}
: ${SRCFILE="linux-${TARBALLPVER}.tar.bz2"}
: ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}

if [[ -z ${SRC_URI[*]} ]]
then
	SRC_URI=(
		http://www.kernel.org/pub/linux/kernel/v$(echo ${PVER} | cut -d. -f1).x/${SRCFILE}
		http://ftp.uni-erlangen.de/pub/Linux/MIRROR.kernel/v$(echo ${PVER} | cut -d. -f1).x/${SRCFILE}
		mirror://kernel-${BRANCH}/${SRCFILE}
	)
	case ${KERNEL_TYPE} in
		image|sources)
				SRC_URI=(
					${SRC_URI[*]}
					mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
					mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
				)
			;;
	esac
fi

case ${KERNEL_TYPE} in
	image)
		: ${PROVIDE="virtual/kernel"}
		: ${DEPEND=">= virtual/module-tools
			>= sys-fs/udev-115
			>= virtual/initramfs-tools
			>= virtual/initscripts"}
			if [[ ! -z ${LINUX_FIRMWARE}  ]] && [[ ${LINUX_FIRMWARE} != internal ]]
			then
				DEPEND="${DEPEND}
					>= sys-kernel/linux-firmware-${LINUX_FIRMWARE}"
			fi
		: ${DESCRIPTION="Kernel image of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel branch."}
		;;

	sources)
		: ${PROVIDE="virtual/kernel-sources"}
		: ${DESCRIPTION="Kernel sources of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel branch."}
		;;

	headers)
		: ${PROVIDE="virtual/kernel-headers"}
		: ${DESCRIPTION="Sanitized kernel headers for libc."}
		;;
esac

EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"

# special vars for mage file only
KPVER="${PVER}"
KPBUILD="${PBUILD}"
KBRANCH="${BRANCH}"
SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH"

# dummy function to apply kernel patches
kernel_apply_patches()
{
	return 0
}

kernel_src_prepare()
{
	munpack ${SRCFILE} || die
	mv ${BUILDDIR}/linux-${TARBALLPVER} ${SRCDIR} || die

	# fix permissions
	chown -R 0:0 ${SRCDIR} || die
	chmod -R a+r-w+X,u+w ${SRCDIR} || die

	cd ${SRCDIR}
	kernel_apply_patches || die

	# fixes INSTALL_PATH to /boot and EXTRAVERSION
	sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
		-e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die

	# fix sublevel version with 3.x kernels and higher
	local kver=$(echo ${PVER} | sed "s:\.::g")
	if [[ ${PVER%%.*} -gt 2 ]]
	then
		local sublevel="$(echo ${PVER} | cut -d. -f3)"
		sed -i "s:^\(SUBLEVEL =\).*:\1 ${sublevel}:" Makefile || die
	fi
}

kernel_src_compile()
{
	cd ${SRCDIR}

	make mrproper || die

	if [[ ${KERNEL_TYPE} = sources ]] || [[ ${KERNEL_TYPE} = image ]]
	then
		# inject our kernel config
		cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
		make ARCH=${ARCH/i*86/x86} oldconfig || die
	fi

	case ${KERNEL_TYPE} in
		image)
			mmake ARCH=${ARCH/i*86/x86} || die
			;;

		headers)
			make ARCH=${ARCH/i*86/x86} headers_check || die
			;;

		sources)
			make clean || die

			# needed to compile other programs like iptables
			make ARCH=${ARCH/i*86/x86} prepare || die
			# needed to cover >=2.6.14 builds
			# but deprecated with >=2.6.21, prepare cover all targets there
			local kver=$(echo ${PVER} | sed "s:\.::g")
			# honor >=3.0.x; add one zero
			if [[ ${PVER%%.*} -gt 2 ]]
			then
				kver="${kver}0"
			fi
			if [[ ${kver} < 2621 ]]
			then
				make ARCH=${ARCH/i*86/x86} prepare-all || die
			fi
			make ARCH=${ARCH/i*86/x86} scripts || die

			# at least alsa-drivers needs this one ...
			touch include/linux/autoconf.h || die
			;;
	esac
}

kernel_image_src_install()
{
	cd ${SRCDIR}

	# needed directories
	minstalldir /boot || die

	# install modules
	make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR}/usr modules_install || die

	# install kernelimage
	if [[ -z ${KERNEL_IMAGE_PATH} ]]
	then
		local my_arch="${ARCH}"
		[[ ${my_arch} = i*86 ]] && my_arch=i386
		minstallfile arch/${my_arch}/boot/bzImage \
			/boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
			|| die
	else
		minstallfile ${KERNEL_IMAGE_PATH} \
			/boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
			|| die
	fi

	# install System.map
	minstallfile System.map \
		/boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
		|| die

	# install Module.symvers in boot and /usr/src
	minstallfile Module.symvers \
		/boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
		|| die
	minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} || die
	minstallfile Module.symvers \
		/usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
		|| die

	# install kernel description
	echo "
KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
KRNINITRD=
" > ${BINDIR}/boot/kernelversion || die

	# install kernel-config from srcdir
	minstallfile .config \
		/boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
		|| die

	# fix build symlink
	if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
	then
		echo "fixing build symlink"
		rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
		mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
			/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
			|| die
	fi

	# and fixing source symlink
	if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
	then
		echo "fixing source symlink"
		rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
		mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
			/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
			|| die
	fi

	# remove firmware bits if $LINUX_FIRMWARE was set
	if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
	then
		if [[ -d ${BINDIR}/usr/lib/firmware ]]
		then
			rm -rv ${BINDIR}/usr/lib/firmware
		fi
	fi

	# compress modules if COMPRESS_MODULES_CMD was set
	if [[ ! -z ${COMPRESS_MODULES_CMD} ]]
	then
		# compress all kernel modules
		find ${BINDIR} -name \*.ko | xargs ${COMPRESS_MODULES_CMD} || die
	fi
}

kernel_headers_src_install()
{
	cd ${SRCDIR}
	make ARCH=${ARCH/i*86/x86} INSTALL_HDR_PATH=${BINDIR}/usr headers_install || die

	# clean-up unnecessary files
	find ${BINDIR} -name .install -or -name ..install.cmd | xargs --no-run-if-empty rm -f
}

kernel_sources_src_install()
{
	cd ${BUILDDIR}

	echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
	tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die

	echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
	minstalldir /usr/src || die
	mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
}

# installs module-sources path/to/SRCDIR to MODDIR/MODNAME
# kernel_external_modules_install path/to/SRCDIR DESTDIRNAME
kernel_external_modules_install()
{
	cd ${BUILDDIR}

	local modsrc="$1"
	local moddest="$2"
	local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"

	echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
	install -d ${moddir} || die
	mv ${modsrc} ${moddir}/${moddest} || die
}

kernel_external_modules_tarball()
{
	cd ${BUILDDIR}

	echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
	tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
		kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die

	echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
	minstalldir /usr/src || die
	mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
}

kernel_src_install()
{
	case ${KERNEL_TYPE} in
		image)
			kernel_image_src_install || die
			;;

		headers)
			kernel_headers_src_install || die
			;;

		sources)
			kernel_sources_src_install || die
			;;
	esac
}

kernel_major_version()
{
	local ksrc="$@"
	local kv

	if [[ -z ${ksrc} ]]
	then
		kv="$(uname -r|cut -d. -f1-2)"
	else
		local version
		local patchlevel

		# get version from makefile
		version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
		# get patchlevel from makefile
		patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
		# kernelversion
		kv="${version}.${patchlevel}"
	fi

	echo "${kv}"
}

mod_suffix()
{
	local ksrc="$@"
	local mod_suffix
	local kmv

	kmv=$(kernel_major_version ${ksrc})
	if [[ ${kmv//.} -ge 26 ]]
	then
		mod_suffix="ko"
	else
		mod_suffix="o"
	fi

	echo ${mod_suffix}
}

kernel_image_preinstall()
{
	if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
	then
		mount /boot &> /dev/null
	fi
}

kernel_image_preremove()
{
	if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
	then
		mount /boot &> /dev/null
	fi
}

kernel_image_postremove()
{
	if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
	then
		# remove old image entry from grub
		new-kernel-pkg -v --rminitrd --rmmoddep --remove ${KPVER}-${KBRANCH}-${KPBUILD}
	fi
}

kernel_image_postinstall()
{
	[ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys

	# fixes a small glitch in <=mage-0.3.6-r15 with symlinks
	[ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
		rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}

	[ -x ${MROOT}/sbin/depmod ] &&
		${MROOT}/sbin/depmod -ae \
			-F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
			${KPVER}-${KBRANCH}-${KPBUILD}

	# do not run this if ${MROOT} is set !
	if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
	then
		new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
	fi

	# symlink actual kernel to /boot/vmlinuz etc...
	ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
	ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
	ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
	[[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
		ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
}

kernel_sources_postinstall()
{
	# check for linux-VERSION/include as the kernel-image installs
	# the file Modules.symver in the linux-VERSION directory
	if mqueryfeature "kernelsrcunpack" &&
		[ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
	then
		echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
		tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
	fi

	if mqueryfeature "kernelsrcunpack" &&
		[ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
		[ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
	then
		echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
		tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
	fi

	# create linux symlink
	if mqueryfeature "linuxsymlink"
	then
		echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
		[ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
		ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
			${MROOT}/usr/src/linux || die
	fi

	# create kernel-modules symlink
	if mqueryfeature "linuxsymlink" &&
		[ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
	then
		echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
		[ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
		ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
			${MROOT}/usr/src/kernel-modules || die
	fi
}

export_inherits kernel src_prepare src_compile src_install

# export pre/postinstall functions depending on KERNEL_TYPE
case ${KERNEL_TYPE} in
	image)
		export_inherits kernel_image preinstall preremove postinstall postremove
		SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall kernel_image_postremove"
		;;
	sources)
		export_inherits kernel_sources postinstall
		SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_sources_postinstall"
		;;
esac
1	niro	9311	# kernel global smage functions
2			# $Id$
3
4			# needed extra vars:
5	niro	11369	# ${KERNEL_TYPE}: needed, 'sources', 'headers' or 'image'
6			# ${BRANCH}: needed, style branch of the kernel
7			# ${KERNEL_CONFIG}: optional, needed if you want to override the default
8			# searchpath ${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}
9	niro	9311	#
10	niro	11369	# ${PSUBVER}: optional, only needed for 2.6.x.x naming scheme
11			# ${EXTRAVERSION}: optinal, extra version for the kernel name
12			# default setting is ${PSUBVER}-${BRANCH}-${PBUILD}
13			# ${KERNEL_IMAGE_PATH}: override the default KERNEL_IMAGE_PATH (to build xen images for e.g.)
14			# ${COMPRESS_MODULES}: compresses the kernel modules with given compressor (gzip\|bzip2\|xz)
15			# ${LINUX_FIRMWARE}: remove included firmware bits if requested
16			# set the version here like USE_LINUX_FIRMARE="20110605"
17			# version "internal" keeps the bits too
18			#
19	niro	9311
20			sminclude mtools
21
22			# remove me when all distris support this:
23			if [[ ${USE_KERNEL_ARCH_EXTENSION} = true ]]
24			then
25			KERNEL_ARCH_EXTENSION="-${ARCH}"
26			else
27			KERNEL_ARCH_EXTENSION=""
28			fi
29
30	niro	9466	if [[ ! -z ${COMPRESS_MODULES} ]]
31			then
32			case ${COMPRESS_MODULES} in
33			gzip)
34			COMPRESS_MODULES_CMD="gzip -9v"
35			SDEPEND="${SDEPEND}
36			>= app-arch/gzip-1.4"
37			;;
38			bzip2)
39			COMPRESS_MODULES_CMD="bzip2 -9v"
40			SDEPEND="${SDEPEND}
41			>= app-arch/bzip2-1.0.6"
42			;;
43			xz)
44			COMPRESS_MODULES_CMD="xz -9v"
45			SDEPEND="${SDEPEND}
46			>= app-arch/xz-5"
47			;;
48			none)
49			echo "Disabled compressed kernel-modules!"
50			COMPRESS_MODULES_CMD=""
51			;;
52			*) die "Unkown compression format '${COMPRESS_MODULES}'" ;;
53			esac
54			fi
55
56	niro	9311	# some sane defaults
57	niro	9863	: ${PCAT="sys-kernel"}
58	niro	9311	: ${HOMEPAGE="http://magellan-linux.de/"}
59	niro	9743	: ${TARBALLPVER="${PVER}"}
60			: ${SRCFILE="linux-${TARBALLPVER}.tar.bz2"}
61	niro	9311	: ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}
62
63	niro	9740	if [[ -z ${SRC_URI[*]} ]]
64			then
65			SRC_URI=(
66			http://www.kernel.org/pub/linux/kernel/v$(echo ${PVER} \| cut -d. -f1).x/${SRCFILE}
67			http://ftp.uni-erlangen.de/pub/Linux/MIRROR.kernel/v$(echo ${PVER} \| cut -d. -f1).x/${SRCFILE}
68			mirror://kernel-${BRANCH}/${SRCFILE}
69			)
70			case ${KERNEL_TYPE} in
71			image\|sources)
72			SRC_URI=(
73			${SRC_URI[*]}
74			mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
75			mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
76			)
77			;;
78			esac
79			fi
80	niro	9311
81			case ${KERNEL_TYPE} in
82			image)
83			: ${PROVIDE="virtual/kernel"}
84	niro	10194	: ${DEPEND=">= virtual/module-tools
85	niro	9311	>= sys-fs/udev-115
86	niro	10194	>= virtual/initramfs-tools
87	niro	9311	>= virtual/initscripts"}
88	niro	11369	if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
89			then
90			DEPEND="${DEPEND}
91			>= sys-kernel/linux-firmware-${LINUX_FIRMWARE}"
92			fi
93	niro	9745	: ${DESCRIPTION="Kernel image of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel branch."}
94	niro	9311	;;
95
96			sources)
97			: ${PROVIDE="virtual/kernel-sources"}
98	niro	9745	: ${DESCRIPTION="Kernel sources of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel branch."}
99	niro	9311	;;
100
101			headers)
102			: ${PROVIDE="virtual/kernel-headers"}
103			: ${DESCRIPTION="Sanitized kernel headers for libc."}
104			;;
105			esac
106
107			EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
108			KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"
109
110			# special vars for mage file only
111			KPVER="${PVER}"
112			KPBUILD="${PBUILD}"
113			KBRANCH="${BRANCH}"
114			SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH"
115
116	niro	18717	# dummy function to apply kernel patches
117			kernel_apply_patches()
118			{
119			return 0
120			}
121
122	niro	9311	kernel_src_prepare()
123			{
124			munpack ${SRCFILE} \|\| die
125	niro	9743	mv ${BUILDDIR}/linux-${TARBALLPVER} ${SRCDIR} \|\| die
126	niro	9311
127			# fix permissions
128			chown -R 0:0 ${SRCDIR} \|\| die
129			chmod -R a+r-w+X,u+w ${SRCDIR} \|\| die
130
131			cd ${SRCDIR}
132	niro	18717	kernel_apply_patches \|\| die
133	niro	9311
134			# fixes INSTALL_PATH to /boot and EXTRAVERSION
135			sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
136			-e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile \|\| die
137	niro	9463
138			# fix sublevel version with 3.x kernels and higher
139			local kver=$(echo ${PVER} \| sed "s:\.::g")
140			if [[ ${PVER%%.*} -gt 2 ]]
141			then
142			local sublevel="$(echo ${PVER} \| cut -d. -f3)"
143	niro	13438	sed -i "s:^\(SUBLEVEL =\).*:\1 ${sublevel}:" Makefile \|\| die
144	niro	9463	fi
145	niro	9311	}
146
147			kernel_src_compile()
148			{
149			cd ${SRCDIR}
150
151			make mrproper \|\| die
152
153			if [[ ${KERNEL_TYPE} = sources ]] \|\| [[ ${KERNEL_TYPE} = image ]]
154			then
155			# inject our kernel config
156			cp ${KERNEL_CONFIG} ${SRCDIR}/.config \|\| die
157			make ARCH=${ARCH/i*86/x86} oldconfig \|\| die
158			fi
159
160			case ${KERNEL_TYPE} in
161			image)
162			mmake ARCH=${ARCH/i*86/x86} \|\| die
163			;;
164
165			headers)
166			make ARCH=${ARCH/i*86/x86} headers_check \|\| die
167			;;
168
169			sources)
170			make clean \|\| die
171
172			# needed to compile other programs like iptables
173			make ARCH=${ARCH/i*86/x86} prepare \|\| die
174			# needed to cover >=2.6.14 builds
175			# but deprecated with >=2.6.21, prepare cover all targets there
176			local kver=$(echo ${PVER} \| sed "s:\.::g")
177			# honor >=3.0.x; add one zero
178			if [[ ${PVER%%.*} -gt 2 ]]
179			then
180			kver="${kver}0"
181			fi
182			if [[ ${kver} < 2621 ]]
183			then
184			make ARCH=${ARCH/i*86/x86} prepare-all \|\| die
185			fi
186			make ARCH=${ARCH/i*86/x86} scripts \|\| die
187
188			# at least alsa-drivers needs this one ...
189			touch include/linux/autoconf.h \|\| die
190			;;
191			esac
192			}
193
194			kernel_image_src_install()
195			{
196			cd ${SRCDIR}
197
198			# needed directories
199			minstalldir /boot \|\| die
200
201			# install modules
202	niro	12741	make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR}/usr modules_install \|\| die
203	niro	9311
204			# install kernelimage
205			if [[ -z ${KERNEL_IMAGE_PATH} ]]
206			then
207			local my_arch="${ARCH}"
208			[[ ${my_arch} = i*86 ]] && my_arch=i386
209			minstallfile arch/${my_arch}/boot/bzImage \
210			/boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
211			\|\| die
212			else
213			minstallfile ${KERNEL_IMAGE_PATH} \
214			/boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
215			\|\| die
216			fi
217
218			# install System.map
219			minstallfile System.map \
220			/boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
221			\|\| die
222
223			# install Module.symvers in boot and /usr/src
224			minstallfile Module.symvers \
225			/boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
226			\|\| die
227			minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \|\| die
228			minstallfile Module.symvers \
229			/usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
230			\|\| die
231
232			# install kernel description
233			echo "
234			KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
235			KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
236			KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
237			KRNINITRD=
238			" > ${BINDIR}/boot/kernelversion \|\| die
239
240			# install kernel-config from srcdir
241			minstallfile .config \
242			/boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
243			\|\| die
244
245			# fix build symlink
246	niro	12741	if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
247	niro	9311	then
248			echo "fixing build symlink"
249	niro	12741	rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \|\| die
250	niro	9311	mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
251	niro	12741	/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
252	niro	9311	\|\| die
253			fi
254
255			# and fixing source symlink
256	niro	12741	if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
257	niro	9311	then
258			echo "fixing source symlink"
259	niro	12741	rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \|\| die
260	niro	9311	mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
261	niro	12741	/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
262	niro	9311	\|\| die
263			fi
264	niro	9466
265			# remove firmware bits if $LINUX_FIRMWARE was set
266			if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
267			then
268	niro	12741	if [[ -d ${BINDIR}/usr/lib/firmware ]]
269	niro	9466	then
270	niro	12741	rm -rv ${BINDIR}/usr/lib/firmware
271	niro	9466	fi
272			fi
273
274			# compress modules if COMPRESS_MODULES_CMD was set
275			if [[ ! -z ${COMPRESS_MODULES_CMD} ]]
276			then
277			# compress all kernel modules
278			find ${BINDIR} -name \*.ko \| xargs ${COMPRESS_MODULES_CMD} \|\| die
279			fi
280	niro	9311	}
281
282			kernel_headers_src_install()
283			{
284			cd ${SRCDIR}
285			make ARCH=${ARCH/i*86/x86} INSTALL_HDR_PATH=${BINDIR}/usr headers_install \|\| die
286	niro	9746
287			# clean-up unnecessary files
288			find ${BINDIR} -name .install -or -name ..install.cmd \| xargs --no-run-if-empty rm -f
289	niro	9311	}
290
291			kernel_sources_src_install()
292			{
293			cd ${BUILDDIR}
294
295			echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
296			tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) \|\| die
297
298			echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
299			minstalldir /usr/src \|\| die
300			mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src \|\| die
301			}
302
303			# installs module-sources path/to/SRCDIR to MODDIR/MODNAME
304			# kernel_external_modules_install path/to/SRCDIR DESTDIRNAME
305			kernel_external_modules_install()
306			{
307			cd ${BUILDDIR}
308
309			local modsrc="$1"
310			local moddest="$2"
311			local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
312
313			echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
314			install -d ${moddir} \|\| die
315			mv ${modsrc} ${moddir}/${moddest} \|\| die
316			}
317
318			kernel_external_modules_tarball()
319			{
320			cd ${BUILDDIR}
321
322			echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
323			tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
324			kernel-modules-${PVER}-${BRANCH}-${PBUILD} \|\| die
325
326			echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
327			minstalldir /usr/src \|\| die
328			mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src \|\| die
329			}
330
331			kernel_src_install()
332			{
333			case ${KERNEL_TYPE} in
334			image)
335			kernel_image_src_install \|\| die
336			;;
337
338			headers)
339			kernel_headers_src_install \|\| die
340			;;
341
342			sources)
343			kernel_sources_src_install \|\| die
344			;;
345			esac
346			}
347
348			kernel_major_version()
349			{
350			local ksrc="$@"
351			local kv
352
353			if [[ -z ${ksrc} ]]
354			then
355			kv="$(uname -r\|cut -d. -f1-2)"
356			else
357			local version
358			local patchlevel
359
360			# get version from makefile
361			version=$(grep "^VERSION[[:space:]]=[[:space:]][[:digit:]]" ${ksrc}/Makefile \| sed "s/^.=[[:space:]]\([[:digit:]]\+\)/\1/g")
362			# get patchlevel from makefile
363			patchlevel=$(grep "^PATCHLEVEL[[:space:]]=[[:space:]][[:digit:]]" ${ksrc}/Makefile \| sed "s/^.=[[:space:]]\([[:digit:]]\+\)/\1/g")
364			# kernelversion
365			kv="${version}.${patchlevel}"
366			fi
367
368			echo "${kv}"
369			}
370
371			mod_suffix()
372			{
373			local ksrc="$@"
374			local mod_suffix
375			local kmv
376
377			kmv=$(kernel_major_version ${ksrc})
378			if [[ ${kmv//.} -ge 26 ]]
379			then
380			mod_suffix="ko"
381			else
382			mod_suffix="o"
383			fi
384
385			echo ${mod_suffix}
386			}
387
388			kernel_image_preinstall()
389			{
390			if [[ -z ${MROOT} ]] \|\| [[ ${MROOT} = / ]]
391			then
392			mount /boot &> /dev/null
393			fi
394			}
395
396			kernel_image_preremove()
397			{
398			if [[ -z ${MROOT} ]] \|\| [[ ${MROOT} = / ]]
399			then
400			mount /boot &> /dev/null
401			fi
402			}
403
404			kernel_image_postremove()
405			{
406			if [[ -z ${MROOT} ]] \|\| [[ ${MROOT} = / ]]
407			then
408			# remove old image entry from grub
409	niro	13880	new-kernel-pkg -v --rminitrd --rmmoddep --remove ${KPVER}-${KBRANCH}-${KPBUILD}
410	niro	9311	fi
411			}
412
413			kernel_image_postinstall()
414			{
415			[ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
416
417			# fixes a small glitch in <=mage-0.3.6-r15 with symlinks
418			[ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
419			rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
420
421			[ -x ${MROOT}/sbin/depmod ] &&
422			${MROOT}/sbin/depmod -ae \
423			-F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
424			${KPVER}-${KBRANCH}-${KPBUILD}
425
426			# do not run this if ${MROOT} is set !
427			if [[ -z ${MROOT} ]] \|\| [[ ${MROOT} = / ]]
428			then
429			new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
430			fi
431
432			# symlink actual kernel to /boot/vmlinuz etc...
433			ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
434			ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
435			ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
436			[[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
437			ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
438			}
439
440			kernel_sources_postinstall()
441			{
442			# check for linux-VERSION/include as the kernel-image installs
443			# the file Modules.symver in the linux-VERSION directory
444	niro	11362	if mqueryfeature "kernelsrcunpack" &&
445			[ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
446	niro	9311	then
447			echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
448			tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
449			fi
450
451	niro	11362	if mqueryfeature "kernelsrcunpack" &&
452			[ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
453	niro	9311	[ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
454			then
455			echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
456			tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
457			fi
458
459	niro	11362	# create linux symlink
460			if mqueryfeature "linuxsymlink"
461	niro	9311	then
462			echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
463			[ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
464			ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
465			${MROOT}/usr/src/linux \|\| die
466			fi
467
468	niro	11362	# create kernel-modules symlink
469			if mqueryfeature "linuxsymlink" &&
470	niro	9311	[ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
471			then
472			echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
473			[ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
474			ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
475			${MROOT}/usr/src/kernel-modules \|\| die
476			fi
477			}
478
479			export_inherits kernel src_prepare src_compile src_install
480
481			# export pre/postinstall functions depending on KERNEL_TYPE
482			case ${KERNEL_TYPE} in
483			image)
484			export_inherits kernel_image preinstall preremove postinstall postremove
485			SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall kernel_image_postremove"
486			;;
487			sources)
488			export_inherits kernel_sources postinstall
489			SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_sources_postinstall"
490			;;
491			esac