[PATCH] Blackfin syscall change

[Jeff Johnston]

Ok, patch checked in together with all your other patches.

-- Jeff J.

Jie Zhang wrote:
> Yes, this works with the simulator. I'm preparing to submit Blackfin GDB
> port to the upstream.
>
> Jie
>
> Jeff Johnston wrote:
>> Does this work with the current simulator?  Usually, the simulator is 
>> set up
>> to recognize its "syscall" sequence.  If the simulator is sitting on 
>> RAISE 0,
>> then it won't work anymore.
>>
>> -- Jeff J.
>>
>> Jie Zhang wrote:
>>> This patch replaces "RAISE 0;" with "EXCPT 0;" for syscall in Blackfin
>>> libgloss. The syscall mechanism in libgloss is used for simulator and
>>> hardware board. "RAISE 0" is OK for simulator, but cannot be used for
>>> hardware board. Using a valid instruction will ensure predictable
>>> behavior of application on hardware board although currently there 
>>> is no
>>> non-trivial implementation of syscall for hardware board. Please review
>>> and commit. Thanks.
>>>
>>>
>>> Jie
>>>
>>>
>>
>