[ECOS] exception handlers... how to use?

[Stefan Sommerfeld]

Hi,
>>
>> I have eCos running on a MIPS processor and I want to install a 
>> exception
>> handler which prints out some information. I don't use gdb stubs.
>>
>> I tried to install some handlers, but they did not get called. The jump
>> table (vsr_table) is still filled with ROM (bootloader) addresses. I 
>> enable
>> the option 'use rom monitor'. I guess this could be a problem. disable 
>> it,
>> let the system hang on bootup (maybe a cache problem, i still need to do
>> some research here).
>>
>> Could any give me some hints about the needed option in eCos to make the
>> exception handler working?
>
> You need to plant the VSR from the RAM executable into the VSR
> table. You can either do this explicitly using HAL_VSR_SET() or use
> HAL_VSR_SET_TO_ECOS_HANDLER(), which is designed to do just this.
>
> Take a look at the except1 and kexcept1 kernel tests for an example.
>
Good point ... it's working now .... I'm currently looking what's the 
except_info for....

Bye... 


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