Ok, so the problem was that SCB->VTOR was not correctly set (even before HAL_Init() it still pointed to the beginning of FLASH - 0x0800...)After HAL_Init() I've setSCB->VTOR = (uint32_t)(0x24040000);and SysTick interrupt works fine now.Edit:Ok, so a ...
I've read that post, at least for me, instructions are vague.However, this is output from readelf cmd, suggested to be used in that post:readelf -S Bootloader.elf There are 23 section headers, starting at offset 0x1d9744:Section Headers: [Nr] Name ...