I've been trying to create a bootloader with KSDK as well as baremetal to see what would be the best approach in terms of code size (seems obvious BM would be the wisest choice) however while I'm able to read/write using the C90F flash drivers in KSDK, the PE generated Flash routines do not appear to work when I write to the lower bounds (anything sub 0x40000). This is similiar to: