Setup:
Related environment variables in ~/.bashrc
	export ARCH=ppc

	#ELDK needs CROSS_COMPILE
	export CROSS_COMPILE=ppc_4xx-
	PATH=$PATH:.:/opt/eldk/usr/bin:/opt/eldk/bin

	# for filesystem (ramdisk), to kernel root
	export KERNEL_DIR=/home/dev/linux-2.6.13	


filesystem.tar.gz is uncompressed in /opt/filesystem.


[root@fedora filesystem]# ./make_rootfs.sh

You have executed the AMCC 4xx Ramdisk creation script.
This script creates and populates the ramdisk that is
shipped on the 4xx evaluation boards. This script may be
useful as a model in creating a custom ramdisk.

The ramdisk file size is: 70000k
The ramdisk file will be created in: /opt/filesystem
The ramdisk file will be mounted at: /opt/filesystem/amcc_ramdisk

Press [ ENTER ] to continue, or CTRL-C to abort.

Checking for mounted amcc_ramdisk
Checking for ramdisk and ramdisk.gz files
Deleting ramdisk.image.gz file
Deleting U-Boot ramdisk.img file
Creating ramdisk file
Creating temporary mount point: /opt/filesystem/amcc_ramdisk
Mounting ramdisk to /opt/filesystem/amcc_ramdisk
Populating ramdisk...
Calling script to make /dev nodes
Calling script to build and install packages
 Building and installing busybox (~4mins)
 Building and installing thttpd (~1min)
 Building and installing tinylogin (~1min)
 Building and installing xinetd (~1min)
 Building and installing vsftpd (~1min)
 Building and installing select portions of net-tools (~1min)
 Building and installing AMCC custom apps (~1min)
Cleaning up & calling mkimage
Image Name:   Taihu Ramdisk
Created:      Mon Jul  2 16:11:57 2007
Image Type:   PowerPC Linux RAMDisk Image (gzip compressed)
Data Size:    15235265 Bytes = 14878.19 kB = 14.53 MB
Load Address: 0x00000000
Entry Point:  0x00000000
Done.