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@ -1,88 +0,0 @@ |
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#!/bin/sh |
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kernel=`uname -r` |
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tmpdir=`mktemp -d` |
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modprobeopt=`echo $kernel | sed '/2.4/ { s,.*,-n,; q; }; s,.*,--show-depends,'` |
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empty=0 |
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if [ "$1" = "empty" ]; then |
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empty=1; shift |
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fi |
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if [ -n "$1" ]; then |
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if [ -d "/lib/modules/$1" ]; then |
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kernel="$1" |
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else |
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echo "Can't open /lib/modules/$1: No such directory." |
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echo "Usage: $0 [ kernel-version ]" |
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exit 1 |
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fi |
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fi |
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cat << 'EOT' > $tmpdir/linuxrc.c |
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#include <unistd.h> |
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#include <sys/types.h> |
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#include <sys/wait.h> |
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#include <stdio.h> |
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int main() |
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{ |
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EOT |
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echo "Creating /boot/initrd-${kernel}.img ..." |
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if [ "$empty" = 0 ]; then |
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grep '^modprobe ' /etc/conf/kernel | |
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grep -v 'no-initrd' | sed 's,[ ]#.*,,' | |
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while read a b; do $a $modprobeopt -v $b 2> /dev/null; done | |
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while read a b c; do |
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# ouch - this is pretty ugly.... |
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b="${b//`uname -r`/$kernel}" |
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if [ ! -f $tmpdir/${b##*/} ]; then |
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echo "Adding $b."; cp $b $tmpdir |
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x="$( eval "echo ${b##*/} $c" )" |
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cat << EOT >> $tmpdir/linuxrc.c |
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/* $x */ |
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if ( fork() ) wait(NULL); |
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else { |
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printf("initrd: loading %s.\n", "$x"); fflush(stdout); |
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execl("/insmod.static", "/insmod.static", "${x// /", "}", NULL); |
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_exit(1); |
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} |
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EOT |
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fi |
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done |
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fi |
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echo -e '\tprintf("initrd: going to re-mount root now.\\n");' >> $tmpdir/linuxrc.c |
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echo -e '\treturn 0;\n}' >> $tmpdir/linuxrc.c |
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gcc -s -static -Wall -Os -o $tmpdir/linuxrc $tmpdir/linuxrc.c |
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cp /sbin/insmod.static* $tmpdir/ |
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if [ -f $tmpdir/insmod.static.old ]; then |
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ln -s insmod.static.old $tmpdir/insmod.old |
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fi |
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mkdir -p $tmpdir/dev |
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mknod $tmpdir/dev/null c 1 3 |
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mknod $tmpdir/dev/zero c 1 5 |
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mknod $tmpdir/dev/tty c 5 0 |
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mknod $tmpdir/dev/console c 5 1 |
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if false; then |
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# FIXME: kernel doesn't like romfs as initrd ?!?! |
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genromfs -f /boot/initrd-${kernel}.img.tmp -d $tmpdir |
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else |
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# This works, but only for initrd images < 4 MB |
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dd if=/dev/zero of=/boot/initrd-${kernel}.img.tmp \ |
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count=4096 bs=1024 &> /dev/null |
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mke2fs -m 0 -N 180 -F /boot/initrd-${kernel}.img.tmp &> /dev/null |
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mntpoint="`mktemp -d`" |
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mount -o loop /boot/initrd-${kernel}.img.tmp $mntpoint |
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rmdir $mntpoint/lost+found/ |
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cp -a $tmpdir/* $mntpoint/ |
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umount -d $mntpoint |
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rmdir $mntpoint |
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fi |
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gzip < /boot/initrd-${kernel}.img.tmp > /boot/initrd-${kernel}.img |
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rm -f /boot/initrd-${kernel}.img.tmp |
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rm -rf $tmpdir |
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echo "Done." |
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