On 9 Nov 2015, at 8:30 , Adrian Danis 
<[email protected]<mailto:[email protected]>> wrote:

I do not know the details of the arm926ej, but if its cache architecture is 
compatible then porting should be just a matter of converting the newer 
instructions to armv5 equivalents. If the cache is virtual addressed then some 
more thought and additional cache operations need to be placed through the 
kernel.

the ARM926ej has virtually-addressed caches from memory, so you’ll have to 
flush in every context switch, or implement the complex fast-address-space 
switching logic we did on L4-embedded.

Gernot

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