[Buildroot] [PATCH v2] add support for virtual terminal
Yegor Yefremov
yegor_sub1 at visionsystems.de
Mon Nov 7 11:47:09 UTC 2011
introduces new option "Enable virtual console on tty1"
to enable virtual terminal on tty1
Signed-off-by: Yegor Yefremov <yegorslists at googlemail.com>
---
Changes:
v2: corrected the patch according to Baruch's comments
fs/skeleton/etc/inittab | 3 +++
target/generic/Config.in | 3 +++
target/generic/Makefile.in | 16 ++++++++++++++++
3 files changed, 22 insertions(+)
Index: b/fs/skeleton/etc/inittab
===================================================================
--- a/fs/skeleton/etc/inittab
+++ b/fs/skeleton/etc/inittab
@@ -23,6 +23,9 @@
# now run any rc scripts
::sysinit:/etc/init.d/rcS
+# Put a getty on a virtual terminal
+#tty1::respawn:/sbin/getty tty1 38400 # GENERIC_VT
+
# Put a getty on the serial port
#ttyS0::respawn:/sbin/getty -L ttyS0 115200 vt100 # GENERIC_SERIAL
Index: b/target/generic/Config.in
===================================================================
--- a/target/generic/Config.in
+++ b/target/generic/Config.in
@@ -116,6 +116,9 @@
default "57600" if BR2_TARGET_GENERIC_GETTY_BAUDRATE_57600
default "115200" if BR2_TARGET_GENERIC_GETTY_BAUDRATE_115200
+config BR2_TARGET_GENERIC_TTY_PORT
+ bool "Enable virtual console on tty1"
+
config BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW
bool "remount root filesystem read-write during boot"
default y
Index: b/target/generic/Makefile.in
===================================================================
--- a/target/generic/Makefile.in
+++ b/target/generic/Makefile.in
@@ -23,6 +23,16 @@
$(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(shell echo $(TARGET_GENERIC_GETTY) | tail -c+4)::respawn:/sbin/getty -L $(TARGET_GENERIC_GETTY) $(TARGET_GENERIC_GETTY_BAUDRATE) vt100 #~' \
$(TARGET_DIR)/etc/inittab
+# Put a getty on virtual terminal
+target-generic-do-getty-tty1:
+ #$(SED) 's/#tty1/tty1/' $(TARGET_DIR)/etc/inittab
+ $(SED) '/^#.*# GENERIC_VT$$/s~^#\+~~' $(TARGET_DIR)/etc/inittab
+
+# Don't put a getty on virtual terminal
+target-generic-dont-getty-tty1:
+ #$(SED) 's/tty1/#tty1/' $(TARGET_DIR)/etc/inittab
+ $(SED) '/^[^#].*# GENERIC_VT$$/s~^~#~' $(TARGET_DIR)/etc/inittab
+
# Find commented line, if any, and remove leading '#'s
target-generic-do-remount-rw:
$(SED) '/^#.*# REMOUNT_ROOTFS_RW$$/s~^#\+~~' $(TARGET_DIR)/etc/inittab
@@ -39,6 +49,12 @@
TARGETS += target-generic-issue
endif
+ifeq ($(BR2_TARGET_GENERIC_TTY_PORT),y)
+TARGETS += target-generic-do-getty-tty1
+else
+TARGETS += target-generic-dont-getty-tty1
+endif
+
ifeq ($(BR2_ROOTFS_SKELETON_DEFAULT),y)
ifeq ($(BR2_PACKAGE_SYSVINIT),y)
TARGETS += target-generic-getty-sysvinit
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