runqemu-internal: Make sure two serial ports always exist
Since inittab for qemu images now always tries to start getty on a second serial device, make sure that device exists. Otherwise the following message will be spammed: INIT: Id "S1" respawning too fast: disabled for 5 minutes [YOCTO #8374] (From OE-Core rev: 988369afed85281f3ed9b2f3eeb30f5408498bb9) Signed-off-by: Randy Witt <randy.e.witt@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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@ -700,6 +700,38 @@ if [ "x$SERIALSTDIO" = "x1" ]; then
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stty intr ^]
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fi
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# Preserve the multiplexing behavior for the monitor that would be there based
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# on whether nographic is used.
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if echo "$QEMUOPTIONS $SERIALOPTS $SCRIPT_QEMU_OPT $SCRIPT_QEMU_EXTRA_OPT" | grep -- "-nographic"; then
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FIRST_SERIAL_OPT="-serial mon:stdio"
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else
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FIRST_SERIAL_OPT="-serial mon:vc"
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fi
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# qemuarm64 uses virtio for any additional serial ports so the normal mechanism
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# of using -serial will not work
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if [ "$MACHINE" = "qemuarm64" ]; then
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SECOND_SERIAL_OPT="$SCRIPT_QEMU_EXTRA_OPT -device virtio-serial-device -chardev null,id=virtcon -device virtconsole,chardev=virtcon"
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else
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SECOND_SERIAL_OPT="-serial null"
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fi
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# We always want a ttyS1. Since qemu by default adds a serial port when
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# nodefaults is not specified, it seems that all that would be needed is to
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# make sure a "-serial" is there. However, it appears that when "-serial" is
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# specified, it ignores the default serial port that is normally added.
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# So here we make sure to add two -serial if there are none. And only one
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# if there is one -serial already.
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NUM_SERIAL_OPTS=`echo $QEMUOPTIONS $SERIALOPTS $SCRIPT_QEMU_OPT $SCRIPT_QEMU_EXTRA_OPT | sed -e 's/ /\n/g' | grep --count -- -serial`
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if [ "$NUM_SERIAL_OPTS" = "0" ]; then
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SCRIPT_QEMU_EXTRA_OPT="$SCRIPT_QEMU_EXTRA_OPT $FIRST_SERIAL_OPT $SECOND_SERIAL_OPT"
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elif [ "$NUM_SERIAL_OPTS" = "1" ]; then
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SCRIPT_QEMU_EXTRA_OPT="$SCRIPT_QEMU_EXTRA_OPT $SECOND_SERIAL_OPT"
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fi
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echo "Running $QEMU..."
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# -no-reboot is a mandatory option - see bug #100
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if [ "$FSTYPE" = "vmdk" -o "$FSTYPE" = "hddimg" -o "$FSTYPE" = "hdddirect" ]; then
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