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gnu startup file for at91rm9200

Hello,

I have another question about the AT91RM9200... I want to configurate the startup file to be able to use the gnu compiler.

Therefore I took a look into the startup file for one gnu example - there is no definition of the heap - is that correct?

What are the differences between the startup files (using gnu or using realview compiler)? Is it correct to change only the order by the configuration of the PIO controller and the mode bits?

.equ        Mode_USR               0x10

Where do I have to configurate the memory configuration in the gnu mode? When I use realview I can easily configurate the addresses where the internal / external ram /rom is - how is that possible with the gnu compiler? Because there's no such a field under "options for target" -> target?

best regards
Johannes

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