MEMORY { FLASH : ORIGIN = 0x00000000, LENGTH = 256K /* RAM is a mandatory region. This RAM refers to the SRAM_0 */ RAM : ORIGIN = 0x1FFF8000, LENGTH = 32K SRAM_1 : ORIGIN = 0x20000000, LENGTH = 32K } /* This is where the call stack will be allocated. */ /* The stack is of the full descending type. */ /* NOTE Do NOT modify `_stack_start` unless you know what you are doing */ /* SRAM_0 can be used for all busses: Instruction, Data and System */ /* SRAM_1 only supports the system bus */ _stack_start = ORIGIN(RAM) + LENGTH(RAM) - 4;