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52 lines
1.4 KiB
52 lines
1.4 KiB
#!/bin/sh
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echo "Qubes initramfs script here:"
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mkdir -p /proc /sys /dev
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mount -t proc proc /proc
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mount -t sysfs sysfs /sys
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mount -t devtmpfs devtmpfs /dev
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if [ -e /dev/mapper/dmroot ] ; then
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echo "Qubes: FATAL error: /dev/mapper/dmroot already exists?!"
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fi
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modprobe xenblk || modprobe xen-blkfront || echo "Qubes: Cannot load Xen Block Frontend..."
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echo "Waiting for /dev/xvda* devices..."
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while ! [ -e /dev/xvda ]; do sleep 0.1; done
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if [ `cat /sys/block/xvda/ro` = 1 ] ; then
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echo "Qubes: Doing COW setup for AppVM..."
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while ! [ -e /dev/xvdc ]; do sleep 0.1; done
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while ! [ -e /dev/xvdc2 ]; do sleep 0.1; done
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echo "0 `cat /sys/block/xvda/size` snapshot /dev/xvda /dev/xvdc2 N 16" | \
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dmsetup create dmroot || { echo "Qubes: FATAL: cannot create dmroot!"; exit 1; }
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echo Qubes: done.
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else
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echo "Qubes: Doing R/W setup for TemplateVM..."
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echo "0 `cat /sys/block/xvda/size` linear /dev/xvda 0" | \
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dmsetup create dmroot || { echo "Qubes: FATAL: cannot create dmroot!"; exit 1; }
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echo Qubes: done.
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fi
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dmsetup mknodes dmroot
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modprobe ext4
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mkdir -p /sysroot
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mount /dev/mapper/dmroot /sysroot -o ro
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NEWROOT=/sysroot
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if ! [ -d $NEWROOT/lib/modules/`uname -r` ]; then
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echo "Waiting for /dev/xvdd device..."
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while ! [ -e /dev/xvdd ]; do sleep 0.1; done
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mount -n -t ext3 /dev/xvdd $NEWROOT/lib/modules
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fi
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umount /dev /sys /proc
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exec switch_root $NEWROOT /sbin/init
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