46 lines
1.1 KiB
Bash
46 lines
1.1 KiB
Bash
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#!/bin/bash
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if [ ! -b "/dev/mmcblk1p3" ]; then
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echo "no /dev/mmcblk1p3 data partition, exit"
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exit
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fi
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mkdir -p /data
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mount /dev/mmcblk1p3 /data
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if [ ! -f "/data/android/android.img" ]; then
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echo "no /data/android/android.img, exit"
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exit
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fi
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# create a unique tap device for each VM
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tap=tap_AaaG
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tap_exist=$(ip a | grep acrn_"$tap" | awk '{print $1}')
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if [ "$tap_exist"x != "x" ]; then
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echo "tap device existed, reuse acrn_$tap"
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else
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ip tuntap add dev acrn_$tap mode tap
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fi
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# if acrn-br0 exists, add VM's unique tap device under it
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br_exist=$(ip a | grep acrn-br0 | awk '{print $1}')
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if [ "$br_exist"x != "x" -a "$tap_exist"x = "x" ]; then
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echo "acrn-br0 bridge aleady exists, adding new tap device to it..."
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ip link set acrn_"$tap" master acrn-br0
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ip link set dev acrn_"$tap" down
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ip link set dev acrn_"$tap" up
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fi
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modprobe pci_stub
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# offline SOS CPUs except BSP before launch UOS
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for i in `ls -d /sys/devices/system/cpu/cpu[1-99]`; do
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online=`cat $i/online`
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idx=`echo $i | tr -cd "[1-99]"`
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echo cpu$idx online=$online
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if [ "$online" = "1" ]; then
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echo 0 > $i/online
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echo $idx > /sys/class/vhm/acrn_vhm/offline_cpu
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fi
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done
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