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getty: Create specific getty config + cleanups 

This commit introduces a specific BR2_TARGET_GENERIC_GETTY configuration flag.
This eliminates the need for checking if BR2_TARGET_GENERIC_GETTY_PORT is an
empty string or not. It also allows hiding various getty options when getty
isn't enabled.

Signed-off-by: Assaf Inbal <shmuelzon@gmail.com>
Acked-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Assaf Inbal 2013-09-15 09:20:48 +03:00 committed by Peter Korsgaard
parent d245fbb41d
commit ed6912e87d
2 changed files with 25 additions and 18 deletions
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17
system/Config.in
View File

@ -198,15 +198,20 @@ config BR2_TARGET_GENERIC_ROOT_PASSWD
in the build log! Avoid using a valuable password if either the
.config file or the build log may be distributed!
config BR2_TARGET_GENERIC_GETTY
bool "Run a getty (login prompt) after boot"
default y
if BR2_TARGET_GENERIC_GETTY
menu "getty options"
config BR2_TARGET_GENERIC_GETTY_PORT
string "Port to run a getty (login prompt) on"
string "TTY port"
default "ttyS0"
help
Specify a port to run a getty (login prompt) on.
Set to the empty string to not run a getty.
Specify a port to run a getty on.
choice
prompt "Baudrate to use"
prompt "Baudrate"
default BR2_TARGET_GENERIC_GETTY_BAUDRATE_115200
help
Select a baudrate to use.
@ -235,10 +240,12 @@ config BR2_TARGET_GENERIC_GETTY_BAUDRATE
default "115200" if BR2_TARGET_GENERIC_GETTY_BAUDRATE_115200
config BR2_TARGET_GENERIC_GETTY_TERM
string "Value to assign the TERM environment variable"
string "TERM environment variable"
default "vt100"
help
Specify a TERM type.
endmenu
endif
config BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW
bool "remount root filesystem read-write during boot"

26
system/system.mk
View File

@ -1,14 +1,14 @@
TARGET_GENERIC_HOSTNAME := $(call qstrip,$(BR2_TARGET_GENERIC_HOSTNAME))
TARGET_GENERIC_ISSUE := $(call qstrip,$(BR2_TARGET_GENERIC_ISSUE))
TARGET_GENERIC_ROOT_PASSWD := $(call qstrip,$(BR2_TARGET_GENERIC_ROOT_PASSWD))
TARGET_GENERIC_PASSWD_METHOD := $(call qstrip,$(BR2_TARGET_GENERIC_PASSWD_METHOD))
TARGET_GENERIC_GETTY := $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_PORT))
TARGET_GENERIC_GETTY_BAUDRATE := $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_BAUDRATE))
TARGET_GENERIC_GETTY_TERM := $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_TERM))
TARGET_GENERIC_HOSTNAME = $(call qstrip,$(BR2_TARGET_GENERIC_HOSTNAME))
TARGET_GENERIC_ISSUE = $(call qstrip,$(BR2_TARGET_GENERIC_ISSUE))
TARGET_GENERIC_ROOT_PASSWD = $(call qstrip,$(BR2_TARGET_GENERIC_ROOT_PASSWD))
TARGET_GENERIC_PASSWD_METHOD = $(call qstrip,$(BR2_TARGET_GENERIC_PASSWD_METHOD))
TARGET_GENERIC_GETTY_PORT = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_PORT))
TARGET_GENERIC_GETTY_BAUDRATE = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_BAUDRATE))
TARGET_GENERIC_GETTY_TERM = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_TERM))
target-generic-securetty:
grep -q '^$(TARGET_GENERIC_GETTY)$$' $(TARGET_DIR)/etc/securetty || \
echo '$(TARGET_GENERIC_GETTY)' >> $(TARGET_DIR)/etc/securetty
grep -q '^$(TARGET_GENERIC_GETTY_PORT)$$' $(TARGET_DIR)/etc/securetty || \
echo '$(TARGET_GENERIC_GETTY_PORT)' >> $(TARGET_DIR)/etc/securetty
target-generic-hostname:
mkdir -p $(TARGET_DIR)/etc
@ -29,13 +29,13 @@ target-root-passwd:
$(SED) "s,^root:[^:]*:,root:$$TARGET_GENERIC_ROOT_PASSWD_HASH:," $(TARGET_DIR)/etc/shadow
target-generic-getty-busybox:
$(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(TARGET_GENERIC_GETTY)::respawn:/sbin/getty -L $(TARGET_GENERIC_GETTY) $(TARGET_GENERIC_GETTY_BAUDRATE) $(TARGET_GENERIC_GETTY_TERM) #~' \
$(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(TARGET_GENERIC_GETTY_PORT)::respawn:/sbin/getty -L $(TARGET_GENERIC_GETTY_PORT) $(TARGET_GENERIC_GETTY_BAUDRATE) $(TARGET_GENERIC_GETTY_TERM) #~' \
$(TARGET_DIR)/etc/inittab
# In sysvinit inittab, the "id" must not be longer than 4 bytes, so we
# skip the "tty" part and keep only the remaining.
target-generic-getty-sysvinit:
$(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(shell echo $(TARGET_GENERIC_GETTY) | tail -c+4)::respawn:/sbin/getty -L $(TARGET_GENERIC_GETTY) $(TARGET_GENERIC_GETTY_BAUDRATE) $(TARGET_GENERIC_GETTY_TERM) #~' \
$(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(shell echo $(TARGET_GENERIC_GETTY_PORT) | tail -c+4)::respawn:/sbin/getty -L $(TARGET_GENERIC_GETTY_PORT) $(TARGET_GENERIC_GETTY_BAUDRATE) $(TARGET_GENERIC_GETTY_TERM) #~' \
$(TARGET_DIR)/etc/inittab
# Find commented line, if any, and remove leading '#'s
@ -46,7 +46,7 @@ target-generic-do-remount-rw:
target-generic-dont-remount-rw:
$(SED) '/^[^#].*# REMOUNT_ROOTFS_RW$$/s~^~#~' $(TARGET_DIR)/etc/inittab
ifneq ($(TARGET_GENERIC_GETTY),)
ifeq ($(BR2_TARGET_GENERIC_GETTY),y)
TARGETS += target-generic-securetty
endif
@ -61,7 +61,7 @@ endif
ifeq ($(BR2_ROOTFS_SKELETON_DEFAULT),y)
TARGETS += target-root-passwd
ifneq ($(TARGET_GENERIC_GETTY),)
ifeq ($(BR2_TARGET_GENERIC_GETTY),y)
TARGETS += target-generic-getty-$(if $(BR2_PACKAGE_SYSVINIT),sysvinit,busybox)
endif