TMS320F280049C 全局变量数据异常

Jack30

Prodigy 100 points

Other Parts Discussed in Thread: TMDSCNCD280049C

程序定义在RAM里面运行，出现全局变量初始化正常，单步运行正常，但是全速运行，全局变量出现异常的情况。用的TMDSCNCD280049C开发板

比如g_u16runDebugEn只初始化赋值1，后面没有进行任何的赋值操作。

单步运行，初始化时，值都正常，如下：

但是全速运行F8后，变量值全部异常：

怀疑是CMD的问题，但是始终没找到问题原因：

CMD配置如下：

MAP如下：

5 年多前

0 Susan Yang 5 年多前

TI__Guru**** 252096 points

请您以附件形式重新上传一下图片，谢谢

0 Jack30 5 年多前回复 Susan Yang

Prodigy 100 points

图片没有传上来，现在修改了。有图片了，麻烦看看

0 Susan Yang 5 年多前回复 Jack30

TI__Guru**** 252096 points

直接使用官方的 28004x_generic_ram_lnk.cmd 是否也会出现这样的情况？

MEMORY
{
PAGE 0 :
   /* BEGIN is used for the "boot to SARAM" bootloader mode   */

   BEGIN           	: origin = 0x000000, length = 0x000002
   RAMM0           	: origin = 0x0000F3, length = 0x00030D

   RAMLS0          	: origin = 0x008000, length = 0x000800
   RAMLS1          	: origin = 0x008800, length = 0x000800
   RAMLS2      		: origin = 0x009000, length = 0x000800
   RAMLS3      		: origin = 0x009800, length = 0x000800
   RAMLS4      		: origin = 0x00A000, length = 0x000800
   RESET           	: origin = 0x3FFFC0, length = 0x000002

 /* Flash sectors: you can use FLASH for program memory when the RAM is filled up*/
   /* BANK 0 */
   FLASH_BANK0_SEC0  : origin = 0x080000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK0_SEC1  : origin = 0x081000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK0_SEC2  : origin = 0x082000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK0_SEC3  : origin = 0x083000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK0_SEC4  : origin = 0x084000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK0_SEC5  : origin = 0x085000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK0_SEC6  : origin = 0x086000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK0_SEC7  : origin = 0x087000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK0_SEC8  : origin = 0x088000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK0_SEC9  : origin = 0x089000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK0_SEC10 : origin = 0x08A000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK0_SEC11 : origin = 0x08B000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK0_SEC12 : origin = 0x08C000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK0_SEC13 : origin = 0x08D000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK0_SEC14 : origin = 0x08E000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK0_SEC15 : origin = 0x08F000, length = 0x001000	/* on-chip Flash */

  /* BANK 1 */
   FLASH_BANK1_SEC0  : origin = 0x090000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK1_SEC1  : origin = 0x091000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK1_SEC2  : origin = 0x092000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK1_SEC3  : origin = 0x093000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK1_SEC4  : origin = 0x094000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK1_SEC5  : origin = 0x095000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK1_SEC6  : origin = 0x096000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK1_SEC7  : origin = 0x097000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK1_SEC8  : origin = 0x098000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK1_SEC9  : origin = 0x099000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK1_SEC10 : origin = 0x09A000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK1_SEC11 : origin = 0x09B000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK1_SEC12 : origin = 0x09C000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK1_SEC13 : origin = 0x09D000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK1_SEC14 : origin = 0x09E000, length = 0x001000	/* on-chip Flash */
   FLASH_BANK1_SEC15 : origin = 0x09F000, length = 0x001000	/* on-chip Flash */

PAGE 1 :

   BOOT_RSVD       : origin = 0x000002, length = 0x0000F1     /* Part of M0, BOOT rom will use this for stack */
   RAMM1           : origin = 0x000400, length = 0x0003F8     /* on-chip RAM block M1 */
//   RAMM1_RSVD      : origin = 0x0007F8, length = 0x000008     /* Reserve and do not use for code as per the errata advisory "Memory: Prefetching Beyond Valid Memory" */

   RAMLS5      : origin = 0x00A800, length = 0x000800
   RAMLS6      : origin = 0x00B000, length = 0x000800
   RAMLS7      : origin = 0x00B800, length = 0x000800
   
   RAMGS0      : origin = 0x00C000, length = 0x002000
   RAMGS1      : origin = 0x00E000, length = 0x002000
   RAMGS2      : origin = 0x010000, length = 0x002000
   RAMGS3      : origin = 0x012000, length = 0x001FF8
//   RAMGS3_RSVD : origin = 0x013FF8, length = 0x000008     /* Reserve and do not use for code as per the errata advisory "Memory: Prefetching Beyond Valid Memory" */
}

/*You can arrange the .text, .cinit, .const, .pinit, .switch and .econst to FLASH when RAM is filled up.*/
SECTIONS
{
   codestart        : > BEGIN,     PAGE = 0
   .TI.ramfunc      : > RAMM0,      PAGE = 0
   .text            : >> RAMLS0 | RAMLS1 | RAMLS2 | RAMLS3 | RAMLS4,   PAGE = 0
   .cinit           : > RAMM0,     PAGE = 0
   .switch          : > RAMM0,     PAGE = 0
   .reset           : > RESET,     PAGE = 0, TYPE = DSECT /* not used, */

   .stack           : > RAMM1,     PAGE = 1

#if defined(__TI_EABI__)
   .bss             : > RAMLS5,     PAGE = 1
   .bss:output      : > RAMLS5,     PAGE = 1
   .init_array      : > RAMM0,      PAGE = 0
   .const           : > RAMLS5,     PAGE = 1
   .data            : > RAMLS5,     PAGE = 1
   .sysmem          : > RAMLS5,     PAGE = 1
   .bss:cio         : > RAMLS0,     PAGE = 0
#else
   .pinit           : > RAMM0,      PAGE = 0
   .ebss            : > RAMLS5,     PAGE = 1 
   .econst          : > RAMLS5,     PAGE = 1
   .esysmem         : > RAMLS5,     PAGE = 1
   .cio             : > RAMLS0,     PAGE = 0 
#endif

   ramgs0           : > RAMGS0,    PAGE = 1
   ramgs1           : > RAMGS1,    PAGE = 1  
}

/*
//===========================================================================
// End of file.
//===========================================================================
*/