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| author | Randy Witt <randy.e.witt@linux.intel.com> | 2015-09-28 15:38:23 -0700 |
|---|---|---|
| committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2015-09-29 15:15:48 +0100 |
| commit | 988369afed85281f3ed9b2f3eeb30f5408498bb9 (patch) | |
| tree | ac95061e50c298ad34dcedb21fcf88f8b2659711 /scripts | |
| parent | d2e1cf176b2a705f3e4bd4ab7c35bb1de5dc6985 (diff) | |
| download | openembedded-core-988369afed85281f3ed9b2f3eeb30f5408498bb9.tar.gz openembedded-core-988369afed85281f3ed9b2f3eeb30f5408498bb9.tar.bz2 openembedded-core-988369afed85281f3ed9b2f3eeb30f5408498bb9.zip | |
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]
Signed-off-by: Randy Witt <randy.e.witt@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'scripts')
| -rwxr-xr-x | scripts/runqemu-internal | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/scripts/runqemu-internal b/scripts/runqemu-internal index d6b1102008..078545e931 100755 --- a/scripts/runqemu-internal +++ b/scripts/runqemu-internal @@ -700,6 +700,38 @@ if [ "x$SERIALSTDIO" = "x1" ]; then stty intr ^] fi + +# Preserve the multiplexing behavior for the monitor that would be there based +# on whether nographic is used. +if echo "$QEMUOPTIONS $SERIALOPTS $SCRIPT_QEMU_OPT $SCRIPT_QEMU_EXTRA_OPT" | grep -- "-nographic"; then + FIRST_SERIAL_OPT="-serial mon:stdio" +else + FIRST_SERIAL_OPT="-serial mon:vc" +fi + +# qemuarm64 uses virtio for any additional serial ports so the normal mechanism +# of using -serial will not work +if [ "$MACHINE" = "qemuarm64" ]; then + SECOND_SERIAL_OPT="$SCRIPT_QEMU_EXTRA_OPT -device virtio-serial-device -chardev null,id=virtcon -device virtconsole,chardev=virtcon" +else + SECOND_SERIAL_OPT="-serial null" +fi + +# We always want a ttyS1. Since qemu by default adds a serial port when +# nodefaults is not specified, it seems that all that would be needed is to +# make sure a "-serial" is there. However, it appears that when "-serial" is +# specified, it ignores the default serial port that is normally added. +# So here we make sure to add two -serial if there are none. And only one +# if there is one -serial already. +NUM_SERIAL_OPTS=`echo $QEMUOPTIONS $SERIALOPTS $SCRIPT_QEMU_OPT $SCRIPT_QEMU_EXTRA_OPT | sed -e 's/ /\n/g' | grep --count -- -serial` + +if [ "$NUM_SERIAL_OPTS" = "0" ]; then + SCRIPT_QEMU_EXTRA_OPT="$SCRIPT_QEMU_EXTRA_OPT $FIRST_SERIAL_OPT $SECOND_SERIAL_OPT" +elif [ "$NUM_SERIAL_OPTS" = "1" ]; then + SCRIPT_QEMU_EXTRA_OPT="$SCRIPT_QEMU_EXTRA_OPT $SECOND_SERIAL_OPT" +fi + + echo "Running $QEMU..." # -no-reboot is a mandatory option - see bug #100 if [ "$FSTYPE" = "vmdk" -o "$FSTYPE" = "hddimg" -o "$FSTYPE" = "hdddirect" ]; then |