https://devzone.nordicsemi.com/f/nordic-q-a/17559/r7-cannot-be-used-in-asm-hereWe are using Segger Embedded Studio,to compile DFU_bootloader example in sdk 12. We are using nRF52-DK.en-USTelligent Community 13Tue, 08 Nov 2016 05:49:30 GMThttps://devzone.nordicsemi.com/thread/67510?ContentTypeID=1Tue, 08 Nov 2016 05:49:30 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6e34bdea-3d5e-4124-b4d3-8e8779c3b95eWebmobi<p>That error was solved, unplaced_sections occured</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/67509?ContentTypeID=1Mon, 07 Nov 2016 11:28:45 GMT137ad170-7792-4731-bb38-c0d22fbe4515:921bb75b-5799-461b-9eb6-a371e361237fRK<p>Just remove r7 from the clobber list, it&#39;s not used anyway.</p><div style="clear:both;"></div>