[ptxdist] [PATCH 1/2] bbinit: Add rootrw script

["yd.zhang" <yd.zhang@ilabservice.com>]

The script is remount root as rw. Some embedded systems to root mounted as ro,
and cannot use custom u-boot and linux-kernel.

Signed-off-by: yd.zhang <yd.zhang@ilabservice.com>
---
 projectroot/etc/init.d/rootrw | 16 ++++++++++++++++
 rules/initmethod-bbinit.in    | 14 ++++++++++++++
 rules/initmethod-bbinit.make  | 12 ++++++++++++
 3 files changed, 42 insertions(+)
 create mode 100644 projectroot/etc/init.d/rootrw

diff --git a/projectroot/etc/init.d/rootrw b/projectroot/etc/init.d/rootrw
new file mode 100644
index 000000000..50e7e5686
--- /dev/null
+++ b/projectroot/etc/init.d/rootrw
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+#
+# /etc/init.d/rootrw - remount root as rw
+#
+
+case $1 in
+	start)
+		mount -o remount,rw /	
+		;;
+	stop)
+		;;
+	*)
+		echo "Usage: $0 [start|stop]"
+		;;
+esac
diff --git a/rules/initmethod-bbinit.in b/rules/initmethod-bbinit.in
index e0b3be178..2ed37c627 100644
--- a/rules/initmethod-bbinit.in
+++ b/rules/initmethod-bbinit.in
@@ -2,6 +2,14 @@
 
 if INITMETHOD_BBINIT
 
+config INITMETHOD_BBINIT_ETC_INITD_ROOTRW
+	bool
+	prompt "install /etc/init.d/rootrw"
+	default y
+	select BUSYBOX_MOUNT     if BUSYBOX
+	help
+		The /etc/init.d/rootrw script remount root as rw.
+
 config INITMETHOD_BBINIT_ETC_INITD_MODULES
 	bool
 	prompt "install /etc/init.d/modules"
@@ -43,6 +51,12 @@ menu "service startup configuration "
 
 source "generated/initmethod_bbinit.in"
 
+config INITMETHOD_BBINIT_LINK_ROOTRW
+  string
+  depends on INITMETHOD_BBINIT_ETC_INITD_ROOTRW
+  prompt "rootrw"
+  default "S01rootrw"
+
 config INITMETHOD_BBINIT_LINK_LOGROTATE
 	string
 	depends on INITMETHOD_BBINIT_ETC_INITD_LOGROTATE
diff --git a/rules/initmethod-bbinit.make b/rules/initmethod-bbinit.make
index 75d381e29..5440b6032 100644
--- a/rules/initmethod-bbinit.make
+++ b/rules/initmethod-bbinit.make
@@ -45,6 +45,11 @@ $(STATEDIR)/initmethod-bbinit.targetinstall:
 #	#
 #	# start scripts
 #	#
+
+ifdef PTXCONF_INITMETHOD_BBINIT_ETC_INITD_ROOTRW
+	@$(call install_alternative, initmethod-bbinit, 0, 0, 0755, /etc/init.d/rootrw, n)
+endif
+
 ifdef PTXCONF_INITMETHOD_BBINIT_ETC_INITD_MODULES
 	@$(call install_alternative, initmethod-bbinit, 0, 0, 0755, /etc/init.d/modules, n)
 	@$(call install_alternative, initmethod-bbinit, 0, 0, 0644, /etc/modules, n)
@@ -72,6 +77,13 @@ endif
 #	#
 #	# collect start links
 #	#
+
+ifneq ($(call remove_quotes,$(PTXCONF_INITMETHOD_BBINIT_LINK_ROOTRW)),)
+	@$(call install_link, initmethod-bbinit, \
+		../init.d/rootrw, \
+		/etc/rc.d/$(PTXCONF_INITMETHOD_BBINIT_LINK_ROOTRW))
+endif
+
 ifneq ($(call remove_quotes,$(PTXCONF_INITMETHOD_BBINIT_LINK_LOGROTATE)),)
 	@$(call install_link, initmethod-bbinit, \
 		../init.d/logrotate, \
-- 
2.29.2


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