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Device architecture in startup

Question asked by Darnai Adam on Sep 27, 2016
Latest reply on Sep 27, 2016 by jeremyzhou

Hi everyone,


I'd like to make my own bootloader for frdmk64 dev. board, and I saw that in the SDK startup, that is take place in /platform/devices/MK64F12/GCC/, the architecture is defined as ARMV7-M instead of ARMV7E-M. I'm not really sure about the effects but if I'm right, the ARMV7-M is for Cortex-M3 core and ARMV7E-M is for Cortex-m4. Can you please tell my the difference between them, and the reason, why is the wrong architecture included?