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Porting FreeRTOS to Cortex A8 core

Posted by Angel Eyes on August 21, 2012
This is regarding porting FreeRTOS to ARM CortexA8 based Beaglebone board. The Beaglebone on which I am doing the port, has a Sitara AM3359 processor with a ARM CortexA8 core. I am planning to take a base as ARM Cortex M4 in FreeRTOS and continue my porting. Any suggestions ?

RE: Porting FreeRTOS to Cortex A8 core

Posted by Richard on August 21, 2012
I'm not too familiar with the A series yet, but I suspect it will have more in common with the ARM9 than the M4.

There are some FreeRTOS ports around for A class processor so try and find something already available as a starting point - although don't assume unofficial code is necessarily correct.

Here is a starting point http://interactive.freertos.org/entries/21706962-xilinx-freertos-port-for-zynq which should be pretty solid I think. It is for an A9, rather than A8, but as far as I know the cores are very similar, the 9 has some extensions for multicore support.


RE: Porting FreeRTOS to Cortex A8 core

Posted by woops_ on August 21, 2012
Also http://interactive.freertos.org/entries/21558347-arm-cortex-a9-versatileexpress-quad-core-port

RE: Porting FreeRTOS to Cortex A8 core

Posted by David Thedens on August 28, 2012
A8 and A9 have MMU's and the M4 does not. So I would agree that one should start with a A9 port.

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