Intermec ck1 Reference Guide
Appendix A —
µClinux System
324
CK1 SDK Programmer’s Reference Manual
CK1 Memory Mapping
The memory mapping of the CK1 is described in the following
illustration.
illustration.
Size, Layout, and Position of Memory
The NOR Flash stores the Bootloader, BIOS, Diagnostic Program, and
Flash Writer programs. The function of those programs is introduced in
the next section. The detail memory layout of NAND Flash and the
mapping partition software are shown in the following table.
Flash Writer programs. The function of those programs is introduced in
the next section. The detail memory layout of NAND Flash and the
mapping partition software are shown in the following table.
Detail NAND Layout
Name
Blocks
Use
File
System
System
Mount
Point
Point
ptable
0 … 0
Partition table and system
configuration
configuration
kernel
1 … 80
Kernel compressed image
rootfs
81 … 272
Built in utilities, system rootfs
cramfs
/
usrlocal 273 … 400
GUI system and GUI
applications
applications
cramfs
/usr/local
1Mbyte NOR
FLASH
8Mbyte NAND FLASH
16Mbyte SDRAM
32K
Boot Loader
96K
BIOS
192K
DIAGNOSTIC
64K
Flash Writer
64K
FONT
576K
Free
Free
8K
Sysconf
640K
Kernel
1536K Rootfs
(CRAM fs)
1024K Usrlocal
(CRAM fs)
248K etc/config
(JFFS2)
4736K /home
(JFFS2)
1.2M
Kernel
0.3M
Kernel Data
Kernel Data
3M
buffer &
cache of
file
system
buffer &
cache of
file
system
1M
Ramdisk
2.8M
Free
Memory
Free
Memory
7.7M
Applica-
tion
tion