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61 lines
1.5 KiB
61 lines
1.5 KiB
#!/bin/bash |
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# |
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# Licensed under the GPLv2 |
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# |
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# Copyright 2008, Red Hat, Inc. |
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# Jeremy Katz <katzj@redhat.com> |
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emergency_shell() |
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{ |
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echo "Bug in initramfs /init detected. Dropping to a shell. Good luck!" |
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echo |
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bash |
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} |
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trap "emergency_shell" 0 2 |
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echo "Starting initrd..." |
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export PATH=/sbin:/bin:/usr/sbin:/usr/bin |
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export TERM=linux |
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# /dev/console comes from the built-in initramfs crud in the kernel |
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# someday, we may need to mkdir /dev first here |
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exec > /dev/console 2>&1 |
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# mount some important things |
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mkdir /proc |
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mount -t proc /proc /proc |
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mkdir /sys |
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mount -t sysfs /sys /sys |
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mount -t tmpfs -omode=0755 udev /dev |
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# start up udev and trigger cold plugs |
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/sbin/udevd --daemon |
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/sbin/udevadm trigger |
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# FIXME: should we really wait for the queue to settle or just try to |
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# find the rootfs? |
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/sbin/udevadm settle --timeout=30 || : |
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NEWROOT=/sysroot |
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# mount the rootfs |
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mkdir $NEWROOT |
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# FIXME: obviously we need to parse this from /proc/cmdline |
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mount -o ro -t ext3 /dev/sda1 $NEWROOT |
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# now we need to prepare to switchroot |
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mount --bind /dev $NEWROOT/dev |
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# FIXME: now for a bunch of boiler-plate mounts. really, we should have |
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# some like /etc/fstab.sys that's provided by filesystem/initscripts |
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# and then do mount -f /etc/fstab.sys -a |
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mount -t proc /proc $NEWROOT/proc |
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mount -t sysfs /sys $NEWROOT/sys |
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# FIXME: load selinux policy |
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# FIXME: nash die die die |
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exec /sbin/switch_root |
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# davej doesn't like initrd bugs |
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echo "Something went very badly wrong in the initrd. Please " |
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echo "file a bug against mkinitrd." |
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exit 1
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