[U-Boot-Users] How to bulid a GDB-STUB for AT91RM9200?

[peike]

Hi,Members
  Merry Christmas!

Now,I'm do some thing at Atmel AT92RM9200 target with u-boot-0.4.8,and I want to
add a gdb-stub for target into the kernel or u-boot.0.4.8.My u-boot and target
OS information is:
 
boot 1.0 (Jun  4 2004 - 17:42:12)
                                                                                
                                                                                
U-Boot 0.4.8 (Oct 13 2005 - 16:29:32)
                                                                                
U-Boot code: 21F00000 -> 21F13C20  BSS: -> 21F1F9A0
DRAM Configuration:
Bank #0: 20000000 64 MB
Atmel: AT49BV1614 (16Mbit)
Flash: 16 MB
In:    serial
Out:   serial
Err:   serial
start linux now(y/n):
                                                                                
loading kernel to ram...
done
                                                                                
loading ramdisk to ram...
done
                                                                                
start linux...
## Starting application at 0x23000000 ...
Uncompressing
Linux.............................................................Linux version
2.4.19-rmk7 (root at localhost.localdomain) (gcc version 2.95.3 20015CPU:
Arm920Tid(wb) revision 0
Machine: ATMEL AT91RM9200
.........................................                                      
                               
                                                                                
BusyBox v1.00-pre10 (2004.06.15-14:16+0000) Built-in shell (ash)
Enter 'help' for a list of built-in commands.
                                                                                
~ # 
How can i do? Would you like to give me some supports!

Thank you!

yours sincerely
peike