From: kt920.kim <kt920.kim@samsung.com>
Date: Wed, 11 May 2011 01:42:49 +0000 (+0900)
Subject: Added initramfs sources in the ramfs directory
X-Git-Tag: 2.2.1_release^2~182^2~95
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e0f94954b9ae1939b8234534b37219d0debd4e87;p=sdk%2Femulator%2Femulator-kernel.git

Added initramfs sources in the ramfs directory
Modified arch/x86/configs/i386_defconfig from CONFIG_INITRAMFS_SOURCE="" to CONFIG_INITRAMFS_SOURCE="ramfs/initramfs"
---

diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig
index d28fad19654a..1d924a73db0b 100644
--- a/arch/x86/configs/i386_defconfig
+++ b/arch/x86/configs/i386_defconfig
@@ -122,7 +122,7 @@ CONFIG_USER_NS=y
 CONFIG_PID_NS=y
 CONFIG_NET_NS=y
 CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE=""
+CONFIG_INITRAMFS_SOURCE="ramfs/initramfs"
 CONFIG_RD_GZIP=y
 CONFIG_RD_BZIP2=y
 CONFIG_RD_LZMA=y
diff --git a/ramfs/busybox b/ramfs/busybox
new file mode 100755
index 000000000000..dfe2d8f3eb11
Binary files /dev/null and b/ramfs/busybox differ
diff --git a/ramfs/init b/ramfs/init
new file mode 100644
index 000000000000..0d9714b24a80
--- /dev/null
+++ b/ramfs/init
@@ -0,0 +1,181 @@
+#!/bin/sh
+
+#
+# Copyright (C) 2010 Samsung Electronics
+# Kyungmin Park <kyungmin.park@samsung.com>
+#
+NEW_ROOT=/new_root
+NEW_INIT="/sbin/init"
+CONSOLE="/dev/console"
+
+mount -t proc proc /proc
+cmdline=`/bin/cat /proc/cmdline`
+
+echo
+echo "Kernel command line is: $cmdline"
+echo
+
+for element in $cmdline
+do
+	case "$element" in
+	nfsroot=*)
+		nfsroot=${element#nfsroot=}
+		;;
+	ip=*)
+		ip=${element#ip=}
+		;;
+	root=*)
+		root=${element#root=}
+		;;
+	esac
+done
+
+# mount nfs root if necessary
+if test "x$nfsroot" != "x"
+then
+	nfsopt="${nfsroot#*,}"
+	nfsroot="${nfsroot%%,*}"
+	if test "x$nfsroot" != "x"; then
+		nfsopt="-o $nfsopt"
+	fi
+	echo "Mounting root $nfsroot port $nfsport"
+	echo /bin/nfsmount $nfsopt "$nfsroot" /new_root
+	/bin/nfsmount $nfsopt "$nfsroot" /new_root
+else
+	echo "Image mount"
+	mount -o rw /dev/vda /new_root
+fi
+
+echo "create device filesystem"
+
+# create device filesystem
+/bin/mkdir -p /new_root/dev
+/bin/mount -t ramfs ramfs /new_root/dev
+
+/bin/mknod /new_root/dev/ram0 c 1 0
+/bin/mknod /new_root/dev/mem c 1 1
+/bin/mknod /new_root/dev/kmem c 1 2
+/bin/mknod /new_root/dev/null c 1 3
+/bin/mknod /new_root/dev/zero c 1 5
+/bin/mknod /new_root/dev/random c 1 8
+/bin/mknod /new_root/dev/urandom c 1 9
+
+#/bin/mknod /new_root/dev/hda b 3 0
+#/bin/mknod /new_root/dev/hdb b 3 64
+
+#filesystem in userspace
+/bin/mknod /new_root/dev/fuse c 10 229
+
+/bin/mknod /new_root/dev/tty0 c 4 0
+/bin/mknod /new_root/dev/tty1 c 4 1
+/bin/mknod /new_root/dev/tty2 c 4 2
+/bin/mknod /new_root/dev/tty3 c 4 3
+/bin/mknod /new_root/dev/tty4 c 4 4
+/bin/mknod /new_root/dev/tty5 c 4 5
+/bin/mknod /new_root/dev/tty6 c 4 6
+/bin/mknod /new_root/dev/tty7 c 4 7
+
+/bin/mknod /new_root/dev/ttyS0 c 4 64
+/bin/mknod /new_root/dev/ttyS1 c 4 65
+/bin/mknod /new_root/dev/ttyS2 c 4 66
+
+/bin/mknod /new_root/dev/tty c 5 0
+/bin/mknod /new_root/dev/console c 5 1
+/bin/mknod /new_root/dev/ptmx c 5 2
+
+/bin/mknod /new_root/dev/sda b 8 0
+/bin/mknod /new_root/dev/sda1 b 8 1
+
+/bin/mknod /new_root/dev/log_radio c 10 60
+/bin/mknod /new_root/dev/log_events c 10 61
+/bin/mknod /new_root/dev/log_main c 10 62
+/bin/mknod /new_root/dev/log_system c 10 59
+
+/bin/mkdir -p /new_root/dev/input
+/bin/mknod /new_root/dev/input/mouse0 c 13 32
+/bin/mknod /new_root/dev/input/mouse1 c 13 33
+/bin/mknod /new_root/dev/input/event0 c 13 64
+/bin/mknod /new_root/dev/input/event1 c 13 65
+/bin/mknod /new_root/dev/input/event2 c 13 66
+/bin/mknod /new_root/dev/input/event3 c 13 67
+/bin/mknod /new_root/dev/input/event4 c 13 68
+(cd /new_root/dev/input && /bin/ln -s event1 touchscreen0)
+(cd /new_root/dev && /bin/ln -s input/event2 smotion)
+
+/bin/mknod /new_root/dev/mixer c 14 0
+/bin/mknod /new_root/dev/sequencer c 14 1
+/bin/mknod /new_root/dev/midi00 c 14 2
+/bin/mknod /new_root/dev/dsp c 14 3
+/bin/mknod /new_root/dev/sndstat c 14 6
+/bin/mknod /new_root/dev/mixer1 c 14 16
+/bin/mknod /new_root/dev/midi01 c 14 18
+/bin/mknod /new_root/dev/dsp1 c 14 19
+/bin/mknod /new_root/dev/mixer2 c 14 32
+/bin/mknod /new_root/dev/midi02 c 14 34
+/bin/mknod /new_root/dev/dsp2 c 14 35
+/bin/mknod /new_root/dev/mixer3 c 14 48
+/bin/mknod /new_root/dev/midi03 c 14 50
+/bin/mknod /new_root/dev/dsp3 c 14 51
+
+/bin/mknod /new_root/dev/hdc b 22 0
+/bin/mknod /new_root/dev/hdd b 22 64
+
+/bin/mknod /new_root/dev/fb0 c 29 0
+/bin/mknod /new_root/dev/fb1 c 29 1
+/bin/mknod /new_root/dev/fb2 c 29 2
+/bin/mknod /new_root/dev/fb3 c 29 3
+
+/bin/mknod /new_root/dev/mtdblock0 b 31 0
+/bin/mknod /new_root/dev/mtdblock1 b 31 1
+/bin/mknod /new_root/dev/mtdblock2 b 31 2
+/bin/mknod /new_root/dev/mtdblock3 b 31 3
+/bin/mknod /new_root/dev/mtdblock4 b 31 4
+
+/bin/mknod /new_root/dev/video0 c 81 0
+/bin/mknod /new_root/dev/video1 c 81 1
+
+/bin/mknod /new_root/dev/mtd0 b 90 0
+/bin/mknod /new_root/dev/mtd1 b 90 2
+/bin/mknod /new_root/dev/mtd2 b 90 4
+/bin/mknod /new_root/dev/mtd3 b 90 6
+/bin/mknod /new_root/dev/mtd4 b 90 8
+
+/bin/mknod /new_root/dev/ttygs c 127 0
+
+/bin/mkdir -p /new_root/dev/pts
+/bin/mknod /new_root/dev/pts/0 c 136 0
+/bin/mknod /new_root/dev/pts/1 c 136 1
+/bin/mknod /new_root/dev/pts/2 c 136 2
+/bin/mknod /new_root/dev/pts/3 c 136 3
+/bin/mknod /new_root/dev/pts/4 c 136 4
+
+/bin/mkdir -p /new_root/dev/dpram
+/bin/mknod /new_root/dev/dpram/0 c 249 0
+/bin/mknod /new_root/dev/vdpram1 c 249 1
+
+/bin/mkdir -p /new_root/dev/input
+
+/bin/mkdir -p /new_root/dev/snd 
+/bin/mknod -m 660 /new_root/dev/snd/controlC0 c 116 7 
+/bin/mknod -m 660 /new_root/dev/snd/pcmC0D0c c 116 6 
+/bin/mknod -m 660 /new_root/dev/snd/pcmC0D0p c 116 5 
+/bin/mknod -m 660 /new_root/dev/snd/pcmC0D1p c 116 4 
+/bin/mknod -m 660 /new_root/dev/snd/timer c 116 2
+
+/bin/mknod /new_root/dev/vda b 254 0
+/bin/mknod /new_root/dev/vdb b 254 16
+(cd /new_root/dev && /bin/ln -sf vdb mmcblk0)
+(cd /new_root/dev && /bin/ln -sf vdb1 mmcblk0p1)
+(cd /new_root/dev && /bin/ln -sf vdb2 mmcblk0p2)
+(cd /new_root/dev && /bin/ln -sf vdb3 mmcblk0p3)
+
+#echo "Create sys"
+/bin/mkdir -p /new_root/sys
+
+/bin/mknod /new_root/dev/opengl c 240 0
+
+
+>${CONSOLE} <${CONSOLE} 2>&1
+
+echo "Switching root"
+exec switch_root -c ${CONSOLE} ${NEW_ROOT} ${NEW_INIT}
diff --git a/ramfs/initramfs b/ramfs/initramfs
new file mode 100755
index 000000000000..e2fc48f42e1c
--- /dev/null
+++ b/ramfs/initramfs
@@ -0,0 +1,29 @@
+dir /dev 0755 0 0
+nod /dev/console 0600 0 0 c 5 1
+nod /dev/tty1 0600 0 0 c 4 1
+nod /dev/zero 0600 0 0 c 1 5
+nod /dev/mem 0600 0 0 c 1 1
+nod /dev/vda 0600 0 0 b 254 0
+dir /root 0700 0 0
+dir /sbin 0755 0 0
+file /sbin/v86d ramfs/v86d 0755 0 0
+
+dir /bin 0755 0 0
+dir /new_root 0755 0 0
+dir /proc 0755 0 0
+
+
+file /bin/busybox ramfs/busybox 0755 0 0
+file /init ramfs/init 0755 0 0
+file /bin/nfsmount ramfs/nfsmount 0755 0 0
+slink /sbin/init /bin/busybox 0755 0 0
+slink /bin/sh /bin/busybox 0755 0 0
+slink /bin/mount /bin/busybox 0755 0 0
+slink /bin/insmod /bin/busybox 0755 0 0
+slink /bin/cat /bin/busybox 0755 0 0
+slink /bin/cp /bin/busybox 0755 0 0
+slink /bin/switch_root /bin/busybox 0755 0 0
+slink /bin/mknod /bin/busybox 0755 0 0
+slink /bin/mkdir /bin/busybox 0755 0 0
+slink /bin/ln /bin/busybox 0755 0 0
+
diff --git a/ramfs/nfsmount b/ramfs/nfsmount
new file mode 100755
index 000000000000..322c97a7ebaf
Binary files /dev/null and b/ramfs/nfsmount differ
diff --git a/ramfs/v86d b/ramfs/v86d
new file mode 100755
index 000000000000..8ed42a8d72f9
Binary files /dev/null and b/ramfs/v86d differ