63 lines
1.7 KiB
Bash
Executable File
63 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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DISK_IMAGE=minix.postinst.8g.img
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INSTANCE_NUMBER=1
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if [ -f .settings ]
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then
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#allow to override the above settings using a .settings file
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#with DISK_IMAGE=minix-usb.img for example
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. ./.settings
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fi
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if [ ! -f usbdisk.img ]
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then
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#create a "usb disk"
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#this part is really optional usbdisk.img is added to qemu as a usb base disk
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#and is added here to allow testing of the dde usb stack
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echo "creating usb disk image"
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dd if=/dev/zero of=usbdisk.img bs=1M seek=1000 count=1
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fi
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USB_DISK_PARAMS="-drive id=my_usb_disk,file=usbdisk.img,if=none -device usb-storage,drive=my_usb_disk "
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QEMU_PARAMS=$USB_DISK_PARAMS
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#
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# Try and find free tcp ports to run a qemu instance. This part is most probably not
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# portable as it assumes output from netstat
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#tcp 0 0 0.0.0.0:9418 0.0.0.0:* LISTEN
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#
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for i in `seq 0 1 10`
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do
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if ! netstat -na | grep "tcp[^6].*LISTEN" | awk '{print $4}' | sed "s,.*:,,g" | grep $((4444 + $i)) 1>/dev/null
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then
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INSTANCE_NUMBER=$i
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break
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fi
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done
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if [ ! -f $DISK_IMAGE ]
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then
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echo "Did not find '${DISK_IMAGE}' to start"
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exit 1
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fi
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SSH_PORT=$((2222 + $INSTANCE_NUMBER))
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MONITOR_PORT=$((4444 + $INSTANCE_NUMBER))
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#
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# Currently 512 MB is needed to start with networking
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# 1024 is needed to compile clang....
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#
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# start qemu with port redirection so sshing to localhost 2222 will ssh into the qemu instance
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# also start the monitor on port 4444 so we can telnet to it.
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echo "starting ${DISK_IMAGE} qemu instance ${INSTANCE_NUMBER} with ssh port ${SSH_PORT} and monitor on port ${MONITOR_PORT}"
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sleep 2
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qemu-system-i386 -localtime -redir tcp:$SSH_PORT::22 -m 1024 -hda $DISK_IMAGE -curses \
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-monitor telnet::$MONITOR_PORT,server,nowait \
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-enable-kvm -usb $QEMU_PARAMS
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