[2/2] busybox-inittab: Implement SYSVINIT_ENABLED_GETTYS and USE_VT

Submitted by Khem Raj on Dec. 11, 2020, 8:26 p.m. | Patch ID: 178934

Details

Message ID 20201211202657.1237295-2-raj.khem@gmail.com
State Accepted
Commit 7dddda7a00108f9a61da4a869514a32b9f42d16a
Headers show

Commit Message

Khem Raj Dec. 11, 2020, 8:26 p.m.
This ensures that busybox init can generate matching tty's in inittab as
system defines, secondly resepcts USE_VT for creating virtual ttys

Signed-off-by: Khem Raj <raj.khem@gmail.com>

---
 .../busybox/busybox-inittab_1.32.0.bb         | 50 +++++++++++++++++++
 1 file changed, 50 insertions(+)

-- 
2.29.2
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diff --git a/meta/recipes-core/busybox/busybox-inittab_1.32.0.bb b/meta/recipes-core/busybox/busybox-inittab_1.32.0.bb
index 61fb8cbad1..8d0f419f4d 100644
--- a/meta/recipes-core/busybox/busybox-inittab_1.32.0.bb
+++ b/meta/recipes-core/busybox/busybox-inittab_1.32.0.bb
@@ -23,6 +23,53 @@  do_install() {
 		id=`echo ${i} | sed -e 's/^.*;//' -e 's/;.*//'`
 		echo "$id::respawn:${base_sbindir}/getty ${j}" >> ${D}${sysconfdir}/inittab
 	done
+	if [ "${USE_VT}" = "1" ]; then
+		cat <<EOF >>${D}${sysconfdir}/inittab
+# ${base_sbindir}/getty invocations for the runlevels.
+#
+# The "id" field MUST be the same as the last
+# characters of the device (after "tty").
+#
+# Format:
+#  <id>:<runlevels>:<action>:<process>
+#
+
+EOF
+
+		for n in ${SYSVINIT_ENABLED_GETTYS}
+		do
+			echo "tty$n:12345:respawn:${base_sbindir}/getty 38400 tty$n" >> ${D}${sysconfdir}/inittab
+		done
+		echo "" >> ${D}${sysconfdir}/inittab
+	fi
+
+}
+
+pkg_postinst_${PN} () {
+# run this on host and on target
+if [ "${SERIAL_CONSOLES_CHECK}" = "" ]; then
+       exit 0
+fi
+}
+
+pkg_postinst_ontarget_${PN} () {
+# run this on the target
+if [ -e /proc/consoles ]; then
+        tmp="${SERIAL_CONSOLES_CHECK}"
+        for i in $tmp
+        do
+                j=`echo ${i} | sed -e s/^.*\;//g -e s/\:.*//g`
+                k=`echo ${i} | sed s/^.*\://g`
+                if [ -z "`grep ${j} /proc/consoles`" ]; then
+                        if [ -z "${k}" ] || [ -z "`grep ${k} /proc/consoles`" ] || [ ! -e /dev/${j} ]; then
+                                sed -i -e /^.*${j}\ /d -e /^.*${j}$/d /etc/inittab
+                        fi
+                fi
+        done
+        kill -HUP 1
+else
+        exit 1
+fi
 }
 
 # SERIAL_CONSOLES is generally defined by the MACHINE .conf.
@@ -33,3 +80,6 @@  FILES_${PN} = "${sysconfdir}/inittab"
 CONFFILES_${PN} = "${sysconfdir}/inittab"
 
 RCONFLICTS_${PN} = "sysvinit-inittab"
+
+USE_VT ?= "1"
+SYSVINIT_ENABLED_GETTYS ?= "1"