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"

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}

	# 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 --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			kernel_src_prepare()
117			{
118			munpack ${SRCFILE} \|\| die
119	niro	9743	mv ${BUILDDIR}/linux-${TARBALLPVER} ${SRCDIR} \|\| die
120	niro	9311
121			# fix permissions
122			chown -R 0:0 ${SRCDIR} \|\| die
123			chmod -R a+r-w+X,u+w ${SRCDIR} \|\| die
124
125			cd ${SRCDIR}
126
127			# fixes INSTALL_PATH to /boot and EXTRAVERSION
128			sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
129			-e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile \|\| die
130	niro	9463
131			# fix sublevel version with 3.x kernels and higher
132			local kver=$(echo ${PVER} \| sed "s:\.::g")
133			if [[ ${PVER%%.*} -gt 2 ]]
134			then
135			local sublevel="$(echo ${PVER} \| cut -d. -f3)"
136			sed -i "s:^\(SUBLEVEL =\).*:\1 ${sublevel}:" Makefile \|\| die
137			fi
138	niro	9311	}
139
140			kernel_src_compile()
141			{
142			cd ${SRCDIR}
143
144			make mrproper \|\| die
145
146			if [[ ${KERNEL_TYPE} = sources ]] \|\| [[ ${KERNEL_TYPE} = image ]]
147			then
148			# inject our kernel config
149			cp ${KERNEL_CONFIG} ${SRCDIR}/.config \|\| die
150			make ARCH=${ARCH/i*86/x86} oldconfig \|\| die
151			fi
152
153			case ${KERNEL_TYPE} in
154			image)
155			mmake ARCH=${ARCH/i*86/x86} \|\| die
156			;;
157
158			headers)
159			make ARCH=${ARCH/i*86/x86} headers_check \|\| die
160			;;
161
162			sources)
163			make clean \|\| die
164
165			# needed to compile other programs like iptables
166			make ARCH=${ARCH/i*86/x86} prepare \|\| die
167			# needed to cover >=2.6.14 builds
168			# but deprecated with >=2.6.21, prepare cover all targets there
169			local kver=$(echo ${PVER} \| sed "s:\.::g")
170			# honor >=3.0.x; add one zero
171			if [[ ${PVER%%.*} -gt 2 ]]
172			then
173			kver="${kver}0"
174			fi
175			if [[ ${kver} < 2621 ]]
176			then
177			make ARCH=${ARCH/i*86/x86} prepare-all \|\| die
178			fi
179			make ARCH=${ARCH/i*86/x86} scripts \|\| die
180
181			# at least alsa-drivers needs this one ...
182			touch include/linux/autoconf.h \|\| die
183			;;
184			esac
185			}
186
187			kernel_image_src_install()
188			{
189			cd ${SRCDIR}
190
191			# needed directories
192			minstalldir /boot \|\| die
193
194			# install modules
195	niro	12741	make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR}/usr modules_install \|\| die
196	niro	9311
197			# install kernelimage
198			if [[ -z ${KERNEL_IMAGE_PATH} ]]
199			then
200			local my_arch="${ARCH}"
201			[[ ${my_arch} = i*86 ]] && my_arch=i386
202			minstallfile arch/${my_arch}/boot/bzImage \
203			/boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
204			\|\| die
205			else
206			minstallfile ${KERNEL_IMAGE_PATH} \
207			/boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
208			\|\| die
209			fi
210
211			# install System.map
212			minstallfile System.map \
213			/boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
214			\|\| die
215
216			# install Module.symvers in boot and /usr/src
217			minstallfile Module.symvers \
218			/boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
219			\|\| die
220			minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \|\| die
221			minstallfile Module.symvers \
222			/usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
223			\|\| die
224
225			# install kernel description
226			echo "
227			KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
228			KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
229			KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
230			KRNINITRD=
231			" > ${BINDIR}/boot/kernelversion \|\| die
232
233			# install kernel-config from srcdir
234			minstallfile .config \
235			/boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
236			\|\| die
237
238			# fix build symlink
239	niro	12741	if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
240	niro	9311	then
241			echo "fixing build symlink"
242	niro	12741	rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \|\| die
243	niro	9311	mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
244	niro	12741	/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
245	niro	9311	\|\| die
246			fi
247
248			# and fixing source symlink
249	niro	12741	if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
250	niro	9311	then
251			echo "fixing source symlink"
252	niro	12741	rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \|\| die
253	niro	9311	mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
254	niro	12741	/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
255	niro	9311	\|\| die
256			fi
257	niro	9466
258			# remove firmware bits if $LINUX_FIRMWARE was set
259			if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
260			then
261	niro	12741	if [[ -d ${BINDIR}/usr/lib/firmware ]]
262	niro	9466	then
263	niro	12741	rm -rv ${BINDIR}/usr/lib/firmware
264	niro	9466	fi
265			fi
266
267			# compress modules if COMPRESS_MODULES_CMD was set
268			if [[ ! -z ${COMPRESS_MODULES_CMD} ]]
269			then
270			# compress all kernel modules
271			find ${BINDIR} -name \*.ko \| xargs ${COMPRESS_MODULES_CMD} \|\| die
272			fi
273	niro	9311	}
274
275			kernel_headers_src_install()
276			{
277			cd ${SRCDIR}
278			make ARCH=${ARCH/i*86/x86} INSTALL_HDR_PATH=${BINDIR}/usr headers_install \|\| die
279	niro	9746
280			# clean-up unnecessary files
281			find ${BINDIR} -name .install -or -name ..install.cmd \| xargs --no-run-if-empty rm -f
282	niro	9311	}
283
284			kernel_sources_src_install()
285			{
286			cd ${BUILDDIR}
287
288			echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
289			tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) \|\| die
290
291			echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
292			minstalldir /usr/src \|\| die
293			mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src \|\| die
294			}
295
296			# installs module-sources path/to/SRCDIR to MODDIR/MODNAME
297			# kernel_external_modules_install path/to/SRCDIR DESTDIRNAME
298			kernel_external_modules_install()
299			{
300			cd ${BUILDDIR}
301
302			local modsrc="$1"
303			local moddest="$2"
304			local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
305
306			echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
307			install -d ${moddir} \|\| die
308			mv ${modsrc} ${moddir}/${moddest} \|\| die
309			}
310
311			kernel_external_modules_tarball()
312			{
313			cd ${BUILDDIR}
314
315			echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
316			tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
317			kernel-modules-${PVER}-${BRANCH}-${PBUILD} \|\| die
318
319			echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
320			minstalldir /usr/src \|\| die
321			mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src \|\| die
322			}
323
324			kernel_src_install()
325			{
326			case ${KERNEL_TYPE} in
327			image)
328			kernel_image_src_install \|\| die
329			;;
330
331			headers)
332			kernel_headers_src_install \|\| die
333			;;
334
335			sources)
336			kernel_sources_src_install \|\| die
337			;;
338			esac
339			}
340
341			kernel_major_version()
342			{
343			local ksrc="$@"
344			local kv
345
346			if [[ -z ${ksrc} ]]
347			then
348			kv="$(uname -r\|cut -d. -f1-2)"
349			else
350			local version
351			local patchlevel
352
353			# get version from makefile
354			version=$(grep "^VERSION[[:space:]]=[[:space:]][[:digit:]]" ${ksrc}/Makefile \| sed "s/^.=[[:space:]]\([[:digit:]]\+\)/\1/g")
355			# get patchlevel from makefile
356			patchlevel=$(grep "^PATCHLEVEL[[:space:]]=[[:space:]][[:digit:]]" ${ksrc}/Makefile \| sed "s/^.=[[:space:]]\([[:digit:]]\+\)/\1/g")
357			# kernelversion
358			kv="${version}.${patchlevel}"
359			fi
360
361			echo "${kv}"
362			}
363
364			mod_suffix()
365			{
366			local ksrc="$@"
367			local mod_suffix
368			local kmv
369
370			kmv=$(kernel_major_version ${ksrc})
371			if [[ ${kmv//.} -ge 26 ]]
372			then
373			mod_suffix="ko"
374			else
375			mod_suffix="o"
376			fi
377
378			echo ${mod_suffix}
379			}
380
381			kernel_image_preinstall()
382			{
383			if [[ -z ${MROOT} ]] \|\| [[ ${MROOT} = / ]]
384			then
385			mount /boot &> /dev/null
386			fi
387			}
388
389			kernel_image_preremove()
390			{
391			if [[ -z ${MROOT} ]] \|\| [[ ${MROOT} = / ]]
392			then
393			mount /boot &> /dev/null
394			fi
395			}
396
397			kernel_image_postremove()
398			{
399			if [[ -z ${MROOT} ]] \|\| [[ ${MROOT} = / ]]
400			then
401			# remove old image entry from grub
402			new-kernel-pkg -v --rminitrd --remove ${KPVER}-${KBRANCH}-${KPBUILD}
403			fi
404			}
405
406			kernel_image_postinstall()
407			{
408			[ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
409
410			# fixes a small glitch in <=mage-0.3.6-r15 with symlinks
411			[ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
412			rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
413
414			[ -x ${MROOT}/sbin/depmod ] &&
415			${MROOT}/sbin/depmod -ae \
416			-F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
417			${KPVER}-${KBRANCH}-${KPBUILD}
418
419			# do not run this if ${MROOT} is set !
420			if [[ -z ${MROOT} ]] \|\| [[ ${MROOT} = / ]]
421			then
422			new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
423			fi
424
425			# symlink actual kernel to /boot/vmlinuz etc...
426			ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
427			ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
428			ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
429			[[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
430			ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
431			}
432
433			kernel_sources_postinstall()
434			{
435			# check for linux-VERSION/include as the kernel-image installs
436			# the file Modules.symver in the linux-VERSION directory
437	niro	11362	if mqueryfeature "kernelsrcunpack" &&
438			[ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
439	niro	9311	then
440			echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
441			tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
442			fi
443
444	niro	11362	if mqueryfeature "kernelsrcunpack" &&
445			[ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
446	niro	9311	[ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
447			then
448			echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
449			tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
450			fi
451
452	niro	11362	# create linux symlink
453			if mqueryfeature "linuxsymlink"
454	niro	9311	then
455			echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
456			[ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
457			ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
458			${MROOT}/usr/src/linux \|\| die
459			fi
460
461	niro	11362	# create kernel-modules symlink
462			if mqueryfeature "linuxsymlink" &&
463	niro	9311	[ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
464			then
465			echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
466			[ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
467			ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
468			${MROOT}/usr/src/kernel-modules \|\| die
469			fi
470			}
471
472			export_inherits kernel src_prepare src_compile src_install
473
474			# export pre/postinstall functions depending on KERNEL_TYPE
475			case ${KERNEL_TYPE} in
476			image)
477			export_inherits kernel_image preinstall preremove postinstall postremove
478			SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall kernel_image_postremove"
479			;;
480			sources)
481			export_inherits kernel_sources postinstall
482			SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_sources_postinstall"
483			;;
484			esac