From 33d239ecb3d66db2b005afbe68a7029c3f2d2ee0 Mon Sep 17 00:00:00 2001 From: davidovski Date: Tue, 29 Mar 2022 23:26:43 +0100 Subject: added mkinitrd --- mkinitrd/init.in | 6 +- mkinitrd/mkinitramfs.sh | 23 +++--- mkinitrd/mkinitramfs.sh-old | 197 ++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 213 insertions(+), 13 deletions(-) mode change 100755 => 100644 mkinitrd/mkinitramfs.sh create mode 100755 mkinitrd/mkinitramfs.sh-old diff --git a/mkinitrd/init.in b/mkinitrd/init.in index 35a0b2a..ab1f6ef 100644 --- a/mkinitrd/init.in +++ b/mkinitrd/init.in @@ -95,9 +95,9 @@ else problem fi -${UDEVD} --daemon --resolve-names=never -udevadm trigger -udevadm settle +${UDEVD} -D -d >> udev.log 2>&1 +udevadm trigger >> udev.log 2>&1 +udevadm settle >> udev.log 2>&1 if [ -f /etc/mdadm.conf ] ; then mdadm -As ; fi if [ -x /sbin/vgchange ] ; then /sbin/vgchange -a y > /dev/null ; fi diff --git a/mkinitrd/mkinitramfs.sh b/mkinitrd/mkinitramfs.sh old mode 100755 new mode 100644 index 3b0fcaf..c8836f4 --- a/mkinitrd/mkinitramfs.sh +++ b/mkinitrd/mkinitramfs.sh @@ -2,7 +2,8 @@ # This file based in part on the mkinitramfs script for the LFS LiveCD # written by Alexander E. Patrakov and Jeremy Huntwork. -copy() { +copy() +{ local file if [ "$2" == "lib" ]; then @@ -11,7 +12,7 @@ copy() { file=$(type -p $1) fi - if [ "${#file}" != "0" ]; then + if [ "$file" != "" ] ; then cp $file $WDIR/$2 else echo "Missing required file: $1 for directory $2" @@ -34,9 +35,11 @@ fi printf "Creating $INITRAMFS_FILE... " -binfiles="bash cat cp dd killall ls mkdir mknod mount " +binfiles="sh cat cp dd killall ls mkdir mknod mount " binfiles="$binfiles umount sed sleep ln rm uname" binfiles="$binfiles readlink basename" +# debug +binfiles="$binfiles less bash dmesg xargs" # Systemd installs udevadm in /bin. Other udev implementations have it in /sbin if [ -x /bin/udevadm ] ; then binfiles="$binfiles udevadm"; fi @@ -62,6 +65,7 @@ mkdir -p $WDIR/etc/{modprobe.d,udev/rules.d} touch $WDIR/etc/modprobe.d/modprobe.conf ln -s lib $WDIR/lib64 ln -s ../bin $WDIR/usr/bin +ln -s ../lib $WDIR/usr/lib # Create necessary device nodes mknod -m 640 $WDIR/dev/console c 5 1 @@ -77,7 +81,7 @@ for file in $(find /etc/udev/rules.d/ -type f) ; do done # Install any firmware present -[ -e /lib/firmware ] && cp -a /lib/firmware $WDIR/lib +[ -e /lib/firmware ] && cp /lib/firmware $WDIR/lib # Copy the RAID configuration file if present if [ -f /etc/mdadm.conf ] ; then @@ -103,8 +107,6 @@ for f in $binfiles ; do copy $d/$f bin done -ln -s bash $WDIR/bin/sh - # Add lvm if present if [ -x /sbin/lvm ] ; then sbinfiles="$sbinfiles lvm dmsetup"; fi @@ -148,7 +150,7 @@ if [ -x /sbin/lvm ] ; then ln -s lvm $WDIR/sbin/vgrename ln -s lvm $WDIR/sbin/vgck # Conf file(s) - cp -a /etc/lvm $WDIR/etc + cp /etc/lvm $WDIR/etc fi # Install libraries @@ -157,14 +159,15 @@ sort $unsorted | uniq | while read library ; do [ "$library" == "linux-gate.so.1" ]; then continue fi + copy $library lib done if [ -d /lib/udev ]; then - cp -a /lib/udev $WDIR/lib + cp -r /lib/udev $WDIR/lib fi if [ -d /lib/systemd ]; then - cp -a /lib/systemd $WDIR/lib + cp -r /lib/systemd $WDIR/lib fi # Install the kernel modules if requested @@ -185,6 +188,6 @@ fi ( cd $WDIR ; find . | cpio -o -H newc --quiet | gzip -9 ) > $INITRAMFS_FILE # Remove the temporary directory and file -#rm -rf $WDIR $unsorted +rm -rf $WDIR $unsorted printf "done.\n" diff --git a/mkinitrd/mkinitramfs.sh-old b/mkinitrd/mkinitramfs.sh-old new file mode 100755 index 0000000..5430659 --- /dev/null +++ b/mkinitrd/mkinitramfs.sh-old @@ -0,0 +1,197 @@ +#!/bin/bash +# This file based in part on the mkinitramfs script for the LFS LiveCD +# written by Alexander E. Patrakov and Jeremy Huntwork. + +copy() { + local file + + if [ "$2" == "lib" ]; then + file=$(PATH=/lib:/usr/lib type -p $1) + else + file=$(type -p $1) + fi + + if [ "${#file}" != "0" ]; then + cp $file $WDIR/$2 + else + echo "Missing required file: $1 for directory $2" + #rm -rf $WDIR + #exit 1 + fi +} + +if [ -z $1 ] ; then + INITRAMFS_FILE=initrd.img-no-kmods +else + KERNEL_VERSION=$1 + INITRAMFS_FILE=initrd.img-$KERNEL_VERSION +fi + +if [ -n "$KERNEL_VERSION" ] && [ ! -d "/lib/modules/$1" ] ; then + echo "No modules directory named $1" + exit 1 +fi + +printf "Creating $INITRAMFS_FILE... " + +binfiles="bash cat cp dd killall ls mkdir mknod mount " +binfiles="$binfiles umount sed sleep ln rm uname" +binfiles="$binfiles readlink basename" +# debug +binfiles="$binfiles less blkid lsblk fdisk dmesg ldd" + +# Systemd installs udevadm in /bin. Other udev implementations have it in /sbin +if [ -x /bin/udevadm ] ; then binfiles="$binfiles udevadm"; fi + +sbinfiles="modprobe blkid switch_root" + +#Optional files and locations +for f in mdadm mdmon udevd udevadm; do + if [ -x /sbin/$f ] ; then sbinfiles="$sbinfiles $f"; fi +done + +unsorted=$(mktemp /tmp/unsorted.XXXXXXXXXX) + +DATADIR=/usr/share/mkinitramfs +INITIN=init.in + +# Create a temporary working directory +WDIR=$(mktemp -d /tmp/initrd-work.XXXXXXXXXX) + +# Create base directory structure +mkdir -p $WDIR/{bin,dev,lib/firmware,run,sbin,sys,proc,usr} +mkdir -p $WDIR/etc/{modprobe.d,udev/rules.d} +touch $WDIR/etc/modprobe.d/modprobe.conf +ln -s lib $WDIR/lib64 +ln -s ../bin $WDIR/usr/bin + +# Create necessary device nodes +mknod -m 640 $WDIR/dev/console c 5 1 +mknod -m 664 $WDIR/dev/null c 1 3 + +# Install the udev configuration files +if [ -f /etc/udev/udev.conf ]; then + cp /etc/udev/udev.conf $WDIR/etc/udev/udev.conf +fi + +# install hwdb +if [ -f /etc/udev/hwdb.bin ]; then + cp /etc/udev/hwdb.bin $WDIR/etc/udev/hwdb.bin +fi + +for file in $(find /etc/udev/rules.d/ -type f) ; do + cp $file $WDIR/etc/udev/rules.d +done + +# Install any firmware present +[ -e /lib/firmware ] && cp -a /lib/firmware $WDIR/lib + +# Copy the RAID configuration file if present +if [ -f /etc/mdadm.conf ] ; then + cp /etc/mdadm.conf $WDIR/etc +fi + +# Install the init file +install -m0755 $DATADIR/$INITIN $WDIR/init + +if [ -n "$KERNEL_VERSION" ] ; then + if [ -x /bin/kmod ] ; then + binfiles="$binfiles kmod" + else + binfiles="$binfiles lsmod" + sbinfiles="$sbinfiles insmod" + fi +fi + +# Install basic binaries +for f in $binfiles ; do + if [ -e /bin/$f ]; then d="/bin"; else d="/usr/bin"; fi + ldd $d/$f | sed "s/\t//" | cut -d " " -f1 >> $unsorted + copy $d/$f bin +done + +ln -s bash $WDIR/bin/sh + +# Add lvm if present +if [ -x /sbin/lvm ] ; then sbinfiles="$sbinfiles lvm dmsetup"; fi + +for f in $sbinfiles ; do + ldd /sbin/$f | sed "s/\t//" | cut -d " " -f1 >> $unsorted + copy $f sbin +done + +# Add udevd libraries if not in /sbin +if [ -x /lib/udev/udevd ] ; then + ldd /lib/udev/udevd | sed "s/\t//" | cut -d " " -f1 >> $unsorted +elif [ -x /lib/systemd/systemd-udevd ] ; then + ldd /lib/systemd/systemd-udevd | sed "s/\t//" | cut -d " " -f1 >> $unsorted +fi + +# Add module symlinks if appropriate +if [ -n "$KERNEL_VERSION" ] && [ -x /bin/kmod ] ; then + ln -s kmod $WDIR/bin/lsmod + ln -s kmod $WDIR/bin/insmod +fi + +# Add lvm symlinks if appropriate +# Also copy the lvm.conf file +if [ -x /sbin/lvm ] ; then + ln -s lvm $WDIR/sbin/lvchange + ln -s lvm $WDIR/sbin/lvrename + ln -s lvm $WDIR/sbin/lvextend + ln -s lvm $WDIR/sbin/lvcreate + ln -s lvm $WDIR/sbin/lvdisplay + ln -s lvm $WDIR/sbin/lvscan + + ln -s lvm $WDIR/sbin/pvchange + ln -s lvm $WDIR/sbin/pvck + ln -s lvm $WDIR/sbin/pvcreate + ln -s lvm $WDIR/sbin/pvdisplay + ln -s lvm $WDIR/sbin/pvscan + + ln -s lvm $WDIR/sbin/vgchange + ln -s lvm $WDIR/sbin/vgcreate + ln -s lvm $WDIR/sbin/vgscan + ln -s lvm $WDIR/sbin/vgrename + ln -s lvm $WDIR/sbin/vgck + # Conf file(s) + cp -a /etc/lvm $WDIR/etc +fi + +# Install libraries +sort $unsorted | uniq | while read library ; do + if [ "$library" == "linux-vdso.so.1" ] || + [ "$library" == "linux-gate.so.1" ]; then + continue + fi + copy $library lib +done + +if [ -d /lib/udev ]; then + cp -a /lib/udev $WDIR/lib +fi +if [ -d /lib/systemd ]; then + cp -a /lib/systemd $WDIR/lib +fi + +# Install the kernel modules if requested +if [ -n "$KERNEL_VERSION" ]; then + find \ + /lib/modules/$KERNEL_VERSION/kernel/{crypto,fs,lib} \ + /lib/modules/$KERNEL_VERSION/kernel/drivers/{block,ata,md,firewire} \ + /lib/modules/$KERNEL_VERSION/kernel/drivers/{scsi,message,pcmcia,virtio} \ + /lib/modules/$KERNEL_VERSION/kernel/drivers/usb/{host,storage} \ + -type f 2> /dev/null | cpio --make-directories -p --quiet $WDIR + + cp /lib/modules/$KERNEL_VERSION/modules.{builtin,order} \ + $WDIR/lib/modules/$KERNEL_VERSION + + depmod -b $WDIR $KERNEL_VERSION +fi + +( cd $WDIR ; find . | cpio -o -H newc --quiet | gzip -9 ) > $INITRAMFS_FILE + +# Remove the temporary directory and file +#rm -rf $WDIR $unsorted +printf "done.\n" + -- cgit v1.2.1