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Recently I have gone through one of the ROM linker script where the arm exception vectors are placed in one memory location(Probably in flash memory in address 0x90000000) and below Ram sections are defined where it is mentioned that "exception vector table will be copied to ram once flash is remapped(Ram address is 0)". what is the exact meaning of the statement and how arm processor know once the exception vector table is moved to different address? What is flash remapping?

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