-- constant EXT_UART_ADDR: ext_addrid_t := x"FFFFFFE";
constant EXT_UART_ADDR: ext_addrid_t := x"0000200";
constant EXT_INT_ADDR: ext_addrid_t := x"0000202";
+constant EXT_IMP_ADDR: ext_addrid_t := x"0000203";
constant EXT_GPMP_ADDR: ext_addrid_t := x"FFFFFFF";
component extension_gpm is