# # Environment and software version
Ubuntu 14.04 x86_64
Compiler:codesourcery 2009q1 arm-none-linux-gnueabi-i686 [1]
Kernel:linux 2.6.33
rootfs:busybox-1.16.0
# # Compile Kernel 2.6.33
"Shell
# under source code directory
$ make Arch=arm cross_compile=arm-none-linux-gnueabi-o=path/for/compilation versatile_defconfig
$ make Menuconfig arch=arm cross_compile=arm-none-linux-gnueabi-o=path/for/compilation
' Kernel Features ' => (Y) Use the ARM Eabi to compile Kernel
```
"Shell
# under Path/for/compilation directory
$ make-j9 Arch=arm cross_compile=arm-none-linux-gnueabi-uimage-s
```
# # Compile BusyBox 1.16.0
"Shell
# under source code directory
$ make Arch=arm Cross_compile=arm-none-linux-gnueabi-defconfig
$ make Arch=arm Cross_compile=arm-none-linux-gnueabi-menuconfig
' Busybox Settings '-> ' build Options '-> ' builds Busybox as a static binary (no shared libs) '
```
"Shell
# under source code directory
$ make-j9 Arch=arm Cross_compile=arm-none-linux-gnueabi-install
```
Results stay under directory ' _install '.
"Shell
# under _install/
$ mkdir proc Sys Dev etc etc/init.d
```
Create _install/etc/init.d/rcs with the following content
"" txt
#!/bin/sh
MOUNT-T proc None/proc
Mount-t Sysfs None/sys
/sbin/mdev-s
```
ADD EXEC permission to RcS.
"Shell
# under _install/etc/init.d/
$ chmod +x RcS
```
Create Rootfs
"Shell
# under _install/
$ find. | Cpio-o--FORMAT=NEWC >. /rootfs.img
$ cd ... /
$ gzip-c rootfs.img > rootfs.img.gz
$ file Rootfs.img
$ file rootfs.img.gz
```
# # Launch Image on VERSATILEPB board
"Shell
# under QEMU directory
$./qemu-system-arm-m versatilepb-m 128m-initrd path/to/rootfs.img.gz-kernel path/to/zimage-append "Root=/dev/ram Rd Init=/sbin/init console=ttyama0 "-nographic
```
Press ' Enter ' to enter Ramfs.
For more information, see [2].
[1]: https://sourcery.mentor.com/public/gnu_toolchain/arm-none-linux-gnueabi/ arm-2009q1-203-arm-none-linux-gnueabi-i686-pc-linux-gnu.tar.bz2
[2]: https://balau82.wordpress.com/2010/03/27/busybox-for-arm-on-qemu/
