链接文件中的定义：

        group (ordered, contiguous, align = 4, attributes=rw, run_addr = 0x70005000)//mem:dsram0)
        {
            select ".data.user_test_data";
            select "(.data|.data*)";
            //select "(.bss|.bss*)";            
            //select ".bss.user_test_bss";
        }
        

        group (ordered, contiguous, align = 4, attributes=rw, run_addr = 0x7000A000)//mem:dsram0)
        {
            select ".bss.user_test_bss";            
            select "(.bss|.bss*)";
            //select "(.data|.data*)";
            //select ".data.user_test_data";
            
        }

变量的定义：

#pragma section fardata  "user_test_data"
uint32 dfdemo_1 = 66u;
//uint32 dfdemo_2 = 5u;
#pragma section fardata restore

#pragma section farbss  "user_test_bss"
//uint32 dfdemo_1;
uint32 dfdemo_2;
#pragma section farbss restore

MAP文件显示：