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	# kernel global smage functions
2	# $Id$
3
4	# needed extra vars:
5	# ${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	#
10	# ${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
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	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	# some sane defaults
57	: ${PCAT="sys-kernel"}
58	: ${HOMEPAGE="http://magellan-linux.de/"}
59	: ${TARBALLPVER="${PVER}"}
60	: ${SRCFILE="linux-${TARBALLPVER}.tar.bz2"}
61	: ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}
62
63	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
81	case ${KERNEL_TYPE} in
82	image)
83	: ${PROVIDE="virtual/kernel"}
84	: ${DEPEND=">= virtual/module-tools
85	>= sys-fs/udev-115
86	>= virtual/initramfs-tools
87	>= virtual/initscripts"}
88	if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
89	then
90	DEPEND="${DEPEND}
91	>= sys-kernel/linux-firmware-${LINUX_FIRMWARE}"
92	fi
93	: ${DESCRIPTION="Kernel image of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel branch."}
94	;;
95
96	sources)
97	: ${PROVIDE="virtual/kernel-sources"}
98	: ${DESCRIPTION="Kernel sources of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel branch."}
99	;;
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	# dummy function to apply kernel patches
117	kernel_apply_patches()
118	{
119	return 0
120	}
121
122	kernel_src_prepare()
123	{
124	munpack ${SRCFILE} \|\| die
125	mv ${BUILDDIR}/linux-${TARBALLPVER} ${SRCDIR} \|\| die
126
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	kernel_apply_patches \|\| die
133
134	# fixes INSTALL_PATH to /boot and EXTRAVERSION
135	sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
136	-e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile \|\| die
137
138	# fix sublevel version with 3.x kernels and higher
139	local kver=$(echo ${PVER} \| sed "s:\.::g")
140	if [[ ${PVER%%.*} -gt 2 ]]
141	then
142	local sublevel="$(echo ${PVER} \| cut -d. -f3)"
143	sed -i "s:^\(SUBLEVEL =\).*:\1 ${sublevel}:" Makefile \|\| die
144	fi
145	}
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 ${SRCDIR}
197
198	# needed directories
199	minstalldir /boot \|\| die
200
201	# install modules
202	make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR}/usr modules_install \|\| die
203
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	if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
247	then
248	echo "fixing build symlink"
249	rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \|\| die
250	mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
251	/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
252	\|\| die
253	fi
254
255	# and fixing source symlink
256	if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
257	then
258	echo "fixing source symlink"
259	rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \|\| die
260	mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
261	/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
262	\|\| die
263	fi
264
265	# remove firmware bits if $LINUX_FIRMWARE was set
266	if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
267	then
268	if [[ -d ${BINDIR}/usr/lib/firmware ]]
269	then
270	rm -rv ${BINDIR}/usr/lib/firmware
271	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	}
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
287	# clean-up unnecessary files
288	find ${BINDIR} -name .install -or -name ..install.cmd \| xargs --no-run-if-empty rm -f
289	}
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	new-kernel-pkg -v --rminitrd --rmmoddep --remove ${KPVER}-${KBRANCH}-${KPBUILD}
410	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	if mqueryfeature "kernelsrcunpack" &&
445	[ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
446	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	if mqueryfeature "kernelsrcunpack" &&
452	[ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
453	[ -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 ${MROOT}/usr/src
457	fi
458
459	# create linux symlink
460	if mqueryfeature "linuxsymlink"
461	then
462	echo "Creating linux -> linux-${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	# create kernel-modules symlink
469	if mqueryfeature "linuxsymlink" &&
470	[ -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