JLINK Patch
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Description
When Flash contents are invalid, JLINK can not take control of ARM7 processor.

Solution
Updated JLINK firmware required, plus gdbinit. 10/10/06

Special instructions
Upgrade installed version of JLINL GDB Server.

Connect the debugger to your PC’s USB port 

Follow through the 'Found new hardware wizard' and choose the location to
Segger USBDriver directory. 
(for example "C:\Program Files\SEGGER\JLinkGDBServerDIGI_latestVersion\USBDriver") 

Once the USB driver is installed, unplug and plug the J-link debugger and make sure
that the steady green LED on the debugger 

You can find the debugger script for this in netos/debugger_files/(platform).jlink 

Connect the J-Link to target (need JLink-ARM-14, a 20 pin to 14 pin converter cable,
for ARM7) 

Run J-Link GDB Server (make sure it displays the target ID correctly in Target field 

Build your application with DEBUGGER=jlink 

Run gdbtk and begin debugging 

    Files:  netos\debugger_files\gdbns9xxx.jlink            
		    netos\debugger_files\gdbns7520.jlink
		    netos\debugger_files\gdbconnect50.jlink
		    netos\debugger_files\gdbconnectem.jlink
		    netos\debugger_files\gdbconnectme.jlink
		    netos\debugger_files\gdbconnectsp.jlink
		    netos\debugger_files\gdbconnectwiem.jlink
		    netos\debugger_files\gdbconnectwime.jlink
		    netos\debugger_files\gdbnet50.jlink
		    netos\debugger_files\gdbrom.jlink
		    3.4.8 JLink Firmware