Yocto 2.4
Move OpenBMC to Yocto 2.4(rocko)
Tested: Built and verified Witherspoon and Palmetto images
Change-Id: I12057b18610d6fb0e6903c60213690301e9b0c67
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/import-layers/yocto-poky/meta/recipes-core/sysvinit/sysvinit-inittab/start_getty b/import-layers/yocto-poky/meta/recipes-core/sysvinit/sysvinit-inittab/start_getty
index e3d052a..e15ae35 100644
--- a/import-layers/yocto-poky/meta/recipes-core/sysvinit/sysvinit-inittab/start_getty
+++ b/import-layers/yocto-poky/meta/recipes-core/sysvinit/sysvinit-inittab/start_getty
@@ -1,5 +1,43 @@
#!/bin/sh
-if [ -c /dev/$2 ]
-then
- /sbin/getty -L $1 $2 $3
-fi
+###############################################################################
+# This script is used to automatically set up the serial console(s) on startup.
+# The variable SERIAL_CONSOLES can be set in meta/conf/machine/*.conf.
+# Script enhancement has been done based on Bug YOCTO #10844.
+# Most of the information is retrieved from /proc virtual filesystem containing
+# all the runtime system information (eg. system memory, device mount, etc).
+###############################################################################
+
+# Get active serial filename.
+active_serial=$(grep "serial" /proc/tty/drivers | cut -d/ -f1 | sed "s/ *$//")
+
+# Rephrase input parameter from ttyS target index (ttyS1, ttyS2, ttyAMA0, etc).
+runtime_tty=$(echo $2 | grep -oh '[0-9]')
+
+# Backup $IFS.
+DEFAULT_IFS=$IFS
+# Customize Internal Field Separator.
+IFS="$(printf '\n\t')"
+
+for line in $active_serial; do
+ # Check we have the file containing current active serial target index.
+ if [ -e "/proc/tty/driver/$line" ]
+ then
+ # Remove all unknown entries and discard the first line (desc).
+ activetty=$(grep -v "unknown" "/proc/tty/driver/$line" \
+ | tail -n +2 | grep -oh "^\s*\S*[0-9]")
+ for active in $activetty; do
+ # If indexes do match then enable the serial console.
+ if [ $active -eq $runtime_tty ]
+ then
+ if [ -c /dev/$2 ]
+ then
+ /sbin/getty -L $1 $2 $3
+ fi
+ break
+ fi
+ done
+ fi
+done
+
+# Restore $IFS.
+IFS=$DEFAULT_IFS