start.lst

Cortex-M4+example

###############################################################################
#                                                                             #
# IAR ANSI C/C++ Compiler V6.10.1.52143/W32 for ARM     16/Apr/2011  20:57:47 #
# Copyright 1999-2010 IAR Systems AB.                                         #
#                                                                             #
#    Cpu mode     =  thumb                                                    #
#    Endian       =  little                                                   #
#    Source file  =  E:\Project\15_K60\03_Software\02_My                      #
#                    program\K60_IAR\03_uart_int\src\Project_Settings\Startup #
#                    _Code\start.c                                            #
#    Command line =  "E:\Project\15_K60\03_Software\02_My                     #
#                    program\K60_IAR\03_uart_int\src\Project_Settings\Startup #
#                    _Code\start.c" -D IAR -D TWR_K60N512 -lCN                #
#                    "E:\Project\15_K60\03_Software\02_My                     #
#                    program\K60_IAR\03_uart_int\bin\Ram\List\" -lB           #
#                    "E:\Project\15_K60\03_Software\02_My                     #
#                    program\K60_IAR\03_uart_int\bin\Ram\List\" -o            #
#                    "E:\Project\15_K60\03_Software\02_My                     #
#                    program\K60_IAR\03_uart_int\bin\Ram\Obj\" --no_cse       #
#                    --no_unroll --no_inline --no_code_motion --no_tbaa       #
#                    --no_clustering --no_scheduling --debug --endian=little  #
#                    --cpu=Cortex-M4 -e --fpu=None --dlib_config              #
#                    D:\iar\arm\INC\c\DLib_Config_Normal.h -I                 #
#                    "E:\Project\15_K60\03_Software\02_My                     #
#                    program\K60_IAR\03_uart_int\src\Sources\H\" -I           #
#                    "E:\Project\15_K60\03_Software\02_My                     #
#                    program\K60_IAR\03_uart_int\src\Sources\H\Component_H\"  #
#                    -I "E:\Project\15_K60\03_Software\02_My                  #
#                    program\K60_IAR\03_uart_int\src\Sources\H\Frame_H\" -Ol  #
#                    --use_c++_inline                                         #
#    List file    =  E:\Project\15_K60\03_Software\02_My                      #
#                    program\K60_IAR\03_uart_int\bin\Ram\List\start.lst       #
#    Object file  =  E:\Project\15_K60\03_Software\02_My                      #
#                    program\K60_IAR\03_uart_int\bin\Ram\Obj\start.o          #
#                                                                             #
#                                                                             #
###############################################################################

E:\Project\15_K60\03_Software\02_My program\K60_IAR\03_uart_int\src\Project_Settings\Startup_Code\start.c
      1          //-------------------------------------------------------------------------*
      2          // 文件名:start.c                                                          *
      3          // 说  明: CPU启动后进行系统配置                                           *
      4          //-------------------------------------------------------------------------*
      5          
      6          //头文件
      7          #include "common.h"
      8          #include "wdog.h"
      9          #include "sysinit.h"
     10          
     11          #pragma section = ".data"
     12          #pragma section = ".data_init"
     13          #pragma section = ".bss"
     14          #pragma section = "CodeRelocate"
     15          #pragma section = "CodeRelocateRam" 
     16          
     17          //内部函数声明
     18          //-------------------------------------------------------------------------*
     19          //函数名: common_startup                                                   *
     20          //功  能: 复制中断向量表到RAM中                                            * 
     21          //参  数: 无								   *	
     22          //说  明: 将ROM中的初始化数据拷贝到RAM中                                   *
     23          //-------------------------------------------------------------------------*
     24          void common_startup(void);
     25          
     26          //-------------------------------------------------------------------------*
     27          //函数名: start                                                            *
     28          //功  能: 系统启动                                                         * 
     29          //参  数: 无								   *	
     30          //说  明: 无                                                               *
     31          //-------------------------------------------------------------------------*

   \                                 In section .text, align 2, keep-with-next
     32          void start(void)
     33          {
   \                     start:
   \   00000000   80B5               PUSH     {R7,LR}
     34              //关闭看门狗
     35              wdog_disable();		
   \   00000002   ........           BL       wdog_disable
     36              //复制中断向量表到RAM中
     37              common_startup();	
   \   00000006   ........           BL       common_startup
     38              //系统设置
     39              sysinit();			
   \   0000000A   ........           BL       sysinit
     40              //进入主函数
     41              main();				
   \   0000000E   ........           BL       main
     42          }
   \   00000012   01BD               POP      {R0,PC}          ;; return
     43          
     44          
     45          //-------------------------------------------------------------------------*
     46          //函数名: common_startup                                                   *
     47          //功  能: 复制中断向量表到RAM中                                            * 
     48          //参  数: 无								   *	
     49          //说  明: 将ROM中的初始化数据拷贝到RAM中                                   *
     50          //-------------------------------------------------------------------------*

   \                                 In section .text, align 2, keep-with-next
     51          void common_startup(void)
     52          {
   \                     common_startup:
   \   00000000   80B5               PUSH     {R7,LR}
     53              /* Declare a counter we'll use in all of the copy loops */
     54              uint32 n;
     55           
     56           
     57              /* Addresses for VECTOR_TABLE and VECTOR_RAM come from the linker file */  
     58              extern uint32 __VECTOR_TABLE[];
     59              extern uint32 __VECTOR_RAM[];
     60          
     61              /* Copy the vector table to RAM */
     62              if (__VECTOR_RAM != __VECTOR_TABLE)
   \   00000002   ....               LDR.N    R0,??DataTable0
   \   00000004   ....               LDR.N    R1,??DataTable0_1
   \   00000006   8842               CMP      R0,R1
   \   00000008   0BD0               BEQ.N    ??common_startup_0
     63              {
     64                  for (n = 0; n < 0x410; n++)
   \   0000000A   0020               MOVS     R0,#+0
   \   0000000C   06E0               B.N      ??common_startup_1
     65                      __VECTOR_RAM[n] = __VECTOR_TABLE[n];
   \                     ??common_startup_2:
   \   0000000E   ....               LDR.N    R1,??DataTable0
   \   00000010   ....               LDR.N    R2,??DataTable0_1
   \   00000012   52F82020           LDR      R2,[R2, R0, LSL #+2]
   \   00000016   41F82020           STR      R2,[R1, R0, LSL #+2]
   \   0000001A   401C               ADDS     R0,R0,#+1
   \                     ??common_startup_1:
   \   0000001C   B0F5826F           CMP      R0,#+1040
   \   00000020   F5D3               BCC.N    ??common_startup_2
     66              }
     67              /* Point the VTOR to the new copy of the vector table */
     68              write_vtor((uint32)__VECTOR_RAM);    
   \                     ??common_startup_0:
   \   00000022   ....               LDR.N    R0,??DataTable0
   \   00000024   ........           BL       write_vtor
     69              
     70              /* Get the addresses for the .data section (initialized data section) */
     71              uint8* data_ram = __section_begin(".data");
   \   00000028   ....               LDR.N    R1,??DataTable0_2
     72              uint8* data_rom = __section_begin(".data_init");
   \   0000002A   ....               LDR.N    R2,??DataTable0_3
     73              uint8* data_rom_end = __section_end(".data_init");
   \   0000002C   ....               LDR.N    R0,??DataTable0_4