Sharp SL-5500 File Manager Guide Manuel d'utilisateur télécharger pdf (Page 25)

CHAPTER 6. HARDWARE

CHAPTER 6

Hardware

nfortunately

, embedded devices vary greatly in their architecture and system software, and

as of now, no generic installation procedure suitable for all of them is available.

6.1 Supported Devices

6.1.1 Installation Procedure

Here are the devices which are known to be supported:

1. Sharp Zaurus family

(a)

kexecboot: For the Zaurus, a special “kernel

initramfs” has been developed. This special-

purpose kernel is small enough to be ﬂashed on NAND and features a framebuffer

graphical menu for the selection of boot media containing the kernel to be kexec’ed.

Multi-partition cards and lots of ﬁlesystems are supported. The kernels to be launched

are searched for in

/boot

of each available partition. There is a also a conﬁguration ﬁle

(

/boot/boot.cfg

) which allows selection of other kernels, custom kernel command lines,

and speciﬁes the label and the icon for each instance;

(b)

How to install: Just unpack

zaurus-installer-YOURMACHINE.tar.gz

on a free (FAT

or EXT2/3 formatted) partition: the package contains the kexecboot-kernel and the

updater.sh

utility. Then proceed as usual for ﬂashing (switch off, pull battery out, insert

battery again, before inserting AC plug, press OK and Power On. In the Japanese Menu

select “4” and ﬁnally “3” for SD card or “4” for CF). See Figure 6.1.1 for a screenshot;

(c)

For the SL-5500 (collie) and optionally for other Zaurus too, ﬂashing is possible just

using the routines of the original ﬁrmware: reset the unit, Press “C” and “D” buttons

during restart. That is specialized. For this, please read

http://linuxtogo.org/gowiki/

CollieInstall;

(d)

If you want a

rootfs in NAND

, this must be in the

.jffs2

format. Just rename

your-image-rootfs.jffs2

initrd.bin

and copy it on the card with

updater.sh

The image will be ﬂashed on mtd2,

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Sharp SL-5500 File Manager Guide Manuel d'utilisateur Page 25

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