reworking startup using devtmpfs

After this change it is not needed to create
console, tty and null device nodes for nfsroot boot.

package/asterisk/Makefile

@@ -24,7 +24,6 @@ PKG_SITES:=		http://downloads.asterisk.org/pub/telephony/asterisk/releases/
 
 PKG_TARGET_DEPENDS:=	!foxboard
 
-#PKG_DEPENDS_MAIN:=		asterisk
 PKG_DESCR_CHAN_MGCP:=		Media Gateway Control Protocol implementation
 PKG_DESCR_CHAN_SKINNY:=		Skinny Client Control Protocol implementation
 PKG_DESCR_CHAN_IAX2:=		Support for the Inter Asterisk Protocol

package/base-files/extra/init

@@ -1,5 +1,5 @@
 #!/bin/sh
-echo "Starting system ..."
+echo "System initialization ..."
 export PATH=/bin:/sbin:/usr/bin:/usr/sbin
 mount -nt proc proc /proc
 mount -o nosuid,nodev,noexec -t sysfs sysfs /sys
@@ -11,7 +11,6 @@ mount -o nosuid,nodev,noexec -t sysfs sysfs /sys
 mount -o nosuid,size=128k,mode=0755 -t tmpfs mdev /dev
 mkdir /dev/pts /dev/shm
 mount -o nosuid,noexec -t devpts devpts /dev/pts
-exec 0<>/dev/console >&0 2>&0
 echo >/dev/mdev.seq
 echo "/sbin/mdev" >/proc/sys/kernel/hotplug
 mdev -s
@@ -19,4 +18,6 @@ mount -o remount,rw /
 cat /etc/.rnd >/dev/urandom 2>&1
 [ -f /etc/fstab ] && mount -a
 [ -x /sbin/cfgfs ] && { cfgfs setup; mount -o remount,ro /;}
+echo "Starting system init ..."
+exec 0<>/dev/console >&0 2>&0
 exec /sbin/init

package/busybox/Makefile

@@ -56,11 +56,11 @@ else
 	$(MAKE) V=1 CROSS_COMPILE="$(TARGET_CROSS)" \
 	    IPKG_ARCH="$(ARCH)" ARCH="$(ARCH)" HOSTCC="$(HOSTCC)" -C $(WRKBUILD) install $(MAKE_TRACE)
 endif
+	$(CP) $(WRKINST)/* $(IDIR_BUSYBOX)/
 ifeq ($(ADK_DEBUG),y)
 	${INSTALL_BIN} $(WRKBUILD)/busybox_unstripped \
 		$(IDIR_BUSYBOX)/bin/busybox
 endif
-	$(CP) $(WRKINST)/* $(IDIR_BUSYBOX)/
 
 fake:	$(TOPDIR)/.busyboxcfg do-configure do-install
 

target/linux/patches/2.6.32/startup.patch

@@ -1,16 +1,16 @@
-diff -Nur linux-2.6.30.5.orig/init/main.c linux-2.6.30.5/init/main.c
---- linux-2.6.30.5.orig/init/main.c	2009-08-16 23:19:38.000000000 +0200
-+++ linux-2.6.30.5/init/main.c	2009-08-22 20:26:39.000000000 +0200
-@@ -811,7 +811,7 @@
- 	numa_default_policy();
- 
+diff -Nur linux-2.6.32.orig/init/main.c linux-2.6.32/init/main.c
+--- linux-2.6.32.orig/init/main.c	2009-12-03 04:51:21.000000000 +0100
++++ linux-2.6.32/init/main.c	2010-01-31 11:01:41.154334301 +0100
+@@ -814,6 +814,8 @@
  	if (sys_open((const char __user *) "/dev/console", O_RDWR, 0) < 0)
--		printk(KERN_WARNING "Warning: unable to open an initial console.\n");
-+		printk(KERN_WARNING "Starting Linux (build with OpenADK).\n");
+ 		printk(KERN_WARNING "Warning: unable to open an initial console.\n");
  
++	printk(KERN_WARNING "Starting Linux (build with OpenADK).\n");
++
  	(void) sys_dup(0);
  	(void) sys_dup(0);
-@@ -835,6 +835,7 @@
+ 
+@@ -836,6 +838,7 @@
  		printk(KERN_WARNING "Failed to execute %s.  Attempting "
  					"defaults...\n", execute_command);
  	}

target/rb532/Makefile

@@ -26,7 +26,6 @@ imageinstall: $(BIN_DIR)/$(ROOTFSTARBALL)
 	@echo
 	@echo 'The kernel file is: ${BIN_DIR}/${ADK_TARGET}-${FS}-kernel'
 	@echo 'The nfs root tarball is: ${BIN_DIR}/${ROOTFSTARBALL}'
-	@echo 'Do not forget to create device nodes for console,null and tty in your nfsroot'
 	@echo 'Login as user root with password linux123 via ssh or console'
 endif
 

target/rb532/kernel.config

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.32
-# Sat Jan 30 21:07:56 2010
+# Sat Jan 30 22:33:23 2010
 #
 CONFIG_MIPS=y
 
@@ -378,7 +378,8 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # Generic Driver Options
 #
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
-# CONFIG_DEVTMPFS is not set
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
 # CONFIG_STANDALONE is not set
 # CONFIG_PREVENT_FIRMWARE_BUILD is not set
 # CONFIG_FW_LOADER is not set
@@ -412,9 +413,6 @@ CONFIG_MTD_BLOCK=y
 #
 # CONFIG_MTD_CFI is not set
 # CONFIG_MTD_JEDECPROBE is not set
-# CONFIG_MTD_CFI_NOSWAP is not set
-# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set
-# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set
 CONFIG_MTD_MAP_BANK_WIDTH_1=y
 CONFIG_MTD_MAP_BANK_WIDTH_2=y
 CONFIG_MTD_MAP_BANK_WIDTH_4=y