[U-Boot-Users] Do we enable Interrupts in U-Boot?

[Ben Warren]

Chetan Nanda wrote:
> On 1/8/08, Stefan Roese <sr at denx.de> wrote:
>   
>> On Tuesday 08 January 2008, Chetan Nanda wrote:
>>     
>>> In that case there must be some threads that continuously check for
>>> pending requests from UART, ETHERNET or so ..
>>>       
>> Threads? U-Boot is not an full blown OS. No threads are needed in this
>> bootloader.
>>
>>     
>>> But I don't find any sort  of threading inside u-boot code
>>>       
>> U-Boot "sits" there and waits for some input from the console, or for an
>> ethernet reply packet. This can be done using polling without any performance
>> penalty.
>>
>>     
> Thanks, for explaining the things,
> But how can we wait for two events simultaneously (that is also under
> a single thread of execution)? Can you give me pointer to the code ?
>   
We don't. Everything's single-threaded and poll-based.

regards,
Ben