Lpc2000

Thanks Rod.  I tucked them inot my gdbinit file quite a while back and
unfortunately, promptly forgot who wrote them.  They have been very helpful
in getting Insight to debug flash based code.

-Bill



On Wed, 29 Jun 2005 23:41:45 -0400 (EDT), Rod Moffitt wrote:

>Just in case you were wondering who authored those GDB scripts, it was me! 
>You can get all the info on how they work, and the original scripts from 
>my site at:

>http://rod.info/arm.html

>- Rod

>--
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>  Rod Moffitt            / _ \/ __ \/ _ \  (_)__  / _/__
>  http://rod.info       / , _/ /_/ / // / / / _ \/ _/ _ \
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>On Wed, 29 Jun 2005, Bill Knight wrote:

>> On Wed, 29 Jun 2005 22:42:25 +0200, Micron Engineering wrote:
>>
>>> Is there any hw interface that may set hw breakpoints on flash and also
>>> may be interfaced with low cost debuggers as Insight?
>>> Massimo Manca, Micron Engineers
>>
>> The processor itself will support two hardware breakpoints.  They can be
>> accessed from Insight.  I have the following in my .gdbinit file.
>>
>> ===================================================================================
>> # Define some macros for setting & clearing breakpoints using the EmbeddedICE logic
>> define ib
>>   monitor reg w$arg0av = $arg1
>>   monitor reg w$arg0am = 1
>>   monitor reg w$arg0dv = 0
>>   monitor reg w$arg0dm = 0xFFFFFFFF
>>   monitor reg w$arg0cv = 0x100
>>   monitor reg w$arg0cm = 0xFFFFFEF7
>> end
>>
>> document ib
>> ib <idx> <addr>
>> Configures hardware Instruction Breakpoint <idx> (0 or 1 for ARM7TDMI)
>> to break at address <addr>.  To disable the breakpoint, set <addr> to
>> some address that won't be executed or use 'db <idx>'.
>> end
>>
>> define db
>>   monitor reg w$arg0av = 0xFFFFFFFF
>>   monitor reg w$arg0am = 1
>>   monitor reg w$arg0dv = 0
>>   monitor reg w$arg0dm = 0xFFFFFFFF
>>   monitor reg w$arg0cv = 0x100
>>   monitor reg w$arg0cm = 0xFFFFFEF7
>> end
>>
>> document db
>> db <idx>
>> Disable hardware instruction Breakpoint <idx> by setting it to 0xFFFFFFFF
>> end
>> ====================================================================================
>>
>> I didn't write the macros but have found them useful.  Other ARM toolsets like CrossWorks
>> for ARM by Rowley have debuggers which support the hardware breakpoints much more
>> cleanly than the above gdb macros
>>
>> Regards
>> -Bill Knight
>> R O SoftWare &
>> http://www.theARMPatch.com
>>
>>
>>
>>
>>
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