From: Silas Jeon Date: Tue, 31 Jan 2017 04:48:44 +0000 (+0900) Subject: Make initrd package X-Git-Tag: accepted/tizen/common/20170222.124510^0 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=refs%2Fchanges%2F93%2F115293%2F3;p=platform%2Fcore%2Fsystem%2Finitrd.git Make initrd package Change-Id: Ic7a2ce8856e0f8f0566183d2841e5a471fdec7ed --- diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..d645695 --- /dev/null +++ b/LICENSE @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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+/etc +/proc +/sys +/tmp +/usr/bin +/usr/sbin +/usr/lib +" + +DIR_LINKS=" +/bin:usr/bin +/sbin:usr/sbin +/lib:usr/lib +" + +PROGS=" +/bin/bash +/bin/echo +/bin/mkdir +/bin/mount +/bin/umount +/sbin/blkid +/sbin/pivot_root +/bin/chroot +/bin/ls +/bin/cat +/sbin/fsck +/sbin/fsck.ext4 +/sbin/resize2fs +" + +# LinkFileName:Target +SYM_LINKS=" +/bin/sh:bash +/etc/mtab:../proc/self/mounts +" diff --git a/packaging/initrd.manifest b/packaging/initrd.manifest new file mode 100644 index 0000000..2a0cec5 --- /dev/null +++ b/packaging/initrd.manifest @@ -0,0 +1,5 @@ + + + + + diff --git a/packaging/initrd.spec b/packaging/initrd.spec new file mode 100644 index 0000000..6bee1ed --- /dev/null +++ b/packaging/initrd.spec @@ -0,0 +1,54 @@ +%define _initrd_dir %{_libdir}/initrd +%define _mnt_initrd_dir /mnt/initrd + +Name: initrd +Summary: Tizen Initial ramdisk +Version: 1.0 +Release: 1 +License: Apache-2.0 +Group: System/Utilities +Source: %{name}-%{version}.tar.gz +Source1001: %{name}.manifest + +Requires(post): bash +Requires(post): grep +Requires(post): coreutils +Requires(post): util-linux +Requires(post): e2fsprogs +Requires(post): /sbin/ldconfig +Requires(postun): /sbin/ldconfig + +%description +initial ramdisk. initrd does mount filesystems(/, /opt, /proc, /sys, /lib/modules). + +%prep +%setup -q + +%build +cp %{SOURCE1001} . + +%install +rm -rf %{buildroot} + +mkdir -p %{buildroot}%{_initrd_dir} +cp -f data/initrd-file.list %{buildroot}%{_initrd_dir} +cp -f scripts/init.sh %{buildroot}%{_initrd_dir} +cp -f scripts/mkinitrd.sh %{buildroot}%{_initrd_dir} + +mkdir -p %{buildroot}%{_mnt_initrd_dir} + +%post +/sbin/ldconfig + +%postun -p /sbin/ldconfig + +%posttrans +%{_initrd_dir}/mkinitrd.sh +rm -rf %{_initrd_dir} + +%files +%manifest initrd.manifest +%defattr(-,root,root,-) +%{_initrd_dir}/mkinitrd.sh +%{_initrd_dir}/initrd-file.list +%{_initrd_dir}/init.sh diff --git a/scripts/init.sh b/scripts/init.sh new file mode 100755 index 0000000..6eebb26 --- /dev/null +++ b/scripts/init.sh @@ -0,0 +1,69 @@ +#!/bin/sh + +mount -o nosuid,strictatime,mode=755 -t devtmpfs devtmpfs /dev +mount -o nosuid,noexec,nodev -t sysfs sysfs /sys +mount -o nosuid,noexec,nodev -t proc proc /proc + +/bin/mkdir /sysroot + +#Find devices +ROOTFS=`/sbin/blkid -L rootfs` +if [ x$ROOTFS = "x" ] +then + ROOTFS=`/sbin/blkid -t PARTLABEL=rootfs -o device` +fi + +MODULES=`/sbin/blkid -L modules` +if [ x$MODULES = "x" ] +then + ROOTFS=`/sbin/blkid -t PARTLABEL=module -o device` +fi + +DATAFS=`/sbin/blkid -L system-data` +if [ x$DATAFS = "x" ] +then + DATAFS=`/sbin/blkid -t PARTLABEL=system-data -o device` +fi + +#Check and mount devices +if [ x$ROOTFS != "x" ] +then + /sbin/fsck -y $ROOTFS + /sbin/resize2fs -f $ROOTFS + /bin/mount $ROOTFS /sysroot +else + echo "WARNING : THERE IS NO ROOTFS." + exec /bin/sh +fi + +if [ x$MODULES != "x" ] +then + /sbin/fsck -y $MODULES + /sbin/resize2fs -f $MODULES + /bin/mount $MODULES /sysroot/usr/lib/modules +fi + +if [ x"$DATAFS" != "x" ] +then + /sbin/fsck -y $DATAFS + /sbin/resize2fs -f $DATAFS + /bin/mount $DATAFS /sysroot/opt +fi + +cd /sysroot +mkdir -p ./initrd + +/sbin/pivot_root . ./initrd +/bin/mount -M ./initrd/dev /dev +/bin/mount -M ./initrd/sys /sys +/bin/mount -M ./initrd/proc /proc +/bin/umount -l ./initrd +/bin/rm -r ./initrd + +INIT=/sbin/init + +if [ $$ = 1 ] +then + exec chroot . $INIT $@ +fi +exec /bin/sh diff --git a/scripts/mkinitrd.sh b/scripts/mkinitrd.sh new file mode 100755 index 0000000..a8c05bf --- /dev/null +++ b/scripts/mkinitrd.sh @@ -0,0 +1,147 @@ +#!/bin/sh + +CP="/bin/cp" +LN="/bin/ln" +SED="/bin/sed" +MKDIR="/bin/mkdir" +DIRNAME="/usr/bin/dirname" +LD_LINUX="/lib/ld-linux.so.3" + +INIT="/usr/lib/initrd/init.sh" + +INITRD_ROOT=/mnt/initrd + +OBJECTS_SPECIFY_LIST="/usr/lib/initrd/initrd-file.list" + +#----------------------------------------------------------------------------- +# show_help() +#----------------------------------------------------------------------------- +show_help() { + echo + echo "usage: `basename $0`" + echo "make initrd image to $INITRD_ROOT" + echo +} + +#----------------------------------------------------------------------------- +# Prepare parent directory +#----------------------------------------------------------------------------- +mkdir_p_parent() { + dst_dir=`"$DIRNAME" "$1"` + if [ ! -d "$dst_dir" -a ! -L "$dst_dir" ]; then + "$MKDIR" -p "$dst_dir" + fi +} + +#----------------------------------------------------------------------------- +# Copy content to root of mounted image +#----------------------------------------------------------------------------- +do_copy() { + src=$1 + dst="$INITRD_ROOT/$src" + + if [ ! -e "$src" -o -e "$dst" ]; then + return + fi + + mkdir_p_parent $dst + + "$CP" -f "$src" "$dst" +} + +#----------------------------------------------------------------------------- +# Get dependency libraries +#----------------------------------------------------------------------------- +get_dep_libs() { + "$LD_LINUX" --list $1 | "$SED" -r 's|^[^/]+([^ \(]+).*$|\1|' +} + +#----------------------------------------------------------------------------- +# Gather initrd objects +#----------------------------------------------------------------------------- +get_initrd_objects() { + source "${OBJECTS_SPECIFY_LIST}" + + SYS_SKELDIR=$(echo "$SYS_SKELDIR" | sort | uniq) + DIR_LINKS=$(echo "$DIR_LINKS" | sort | uniq) + PROGS=$(echo "$PROGS" | sort | uniq) + SYM_LINKS=$(echo "$SYM_LINKS" | sort | uniq) +} + +#----------------------------------------------------------------------------- +# Prepare directory objects +#----------------------------------------------------------------------------- +prepare_directory_objects() { + for dir in $@; do + "$MKDIR" -p "$INITRD_ROOT$dir" + done +} + +#----------------------------------------------------------------------------- +# Copy program objects +#----------------------------------------------------------------------------- +program_objects() { + for content in $@; do + do_copy $content + + DEP_LIBS=$(get_dep_libs $content) + for lib in $DEP_LIBS; do + do_copy $lib + done + done +} + +#----------------------------------------------------------------------------- +# Copy symlink objects +#----------------------------------------------------------------------------- +symlink_objects() { + for i in $@; do + if [ "z$i" == "z" ]; then + continue + fi + + link=${i%:*} + target=${i#*:} + mkdir_p_parent "$INITRD_ROOT$link" + "$LN" -s "$target" "$INITRD_ROOT$link" + done +} + +#----------------------------------------------------------------------------- +# Copy content +#----------------------------------------------------------------------------- +make_initrd() { + echo "copy initrd objects to $INITRD_ROOT" + get_initrd_objects + + prepare_directory_objects $SYS_SKELDIR + symlink_objects $DIR_LINKS + program_objects $PROGS + symlink_objects $SYM_LINKS + + "$CP" -f "$INIT" "$INITRD_ROOT/sbin/init" +} + +#----------------------------------------------------------------------------- +# Check given parameter is mount point +#----------------------------------------------------------------------------- +check_mount_point() { + grep " $1 " /etc/mtab > /dev/null + if [ $? -ne 0 ]; then + echo "$1 is not a mount point" + exit 0 + fi +} + +#----------------------------------------------------------------------------- +# Main +#----------------------------------------------------------------------------- + +if [ $# -ge 1 ]; then + echo "Error: too many arguments were given." + show_help >&2 + exit 1 +fi + +check_mount_point $INITRD_ROOT +make_initrd