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STM32N6 boot application >64kB from external QSPI

northh_sven
Associate II

Hi,

I'm adapting the NUCLEO-N657X0-Q template "Template_FSBL_LRUN" to boot a tested application from the QSPI

Unfourtunately, as soon as the binary becomes larger than 64kB and uses a second sector, the application will not boot anymore.
I can reproduce this by adding a large printf statement to push the binary over the 64kB boundary or by changing the optimization level to either favor binary size or speed and thereby affecting the binary size.

What am I missing?

Thanks in advance for every advice!

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