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[参考译文] TMS320F28388D:如何将目标地址设置为128位对齐

Guru**** 2553450 points


请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。

https://e2e.ti.com/support/microcontrollers/c2000-microcontrollers-group/c2000/f/c2000-microcontrollers-forum/1290334/tms320f28388d-how-to-make-destination-adrress-to-be-128-bit-aligned

器件型号:TMS320F28388D

您好、专家

我在创建包括具有128位对齐地址的存储器块在内的二进制映像时遇到问题。

我正在使用十六进制实用程序来获取具有引导表的二进制格式映像、如下所示。

问题在于、在二进制格式图像中有一个未进行128位对齐的块、如下所示。

使用闪存 API 将固件更新到闪存时、会出现一些问题、例如计算 ECC。

目标地址0x0009801E 不是128位对齐的地址。

下面是我将使用的链接命令脚本。 我曾尝试将其设置为与 align (8)对齐128位、但不确定我错过了哪个点。

关于这个问题、请给我一些建议。

CLA_SCRATCHPAD_SIZE = 0x100;
--undef_sym=__cla_scratchpad_end
--undef_sym=__cla_scratchpad_start

MEMORY
{
   HWBIST           : origin = 0x000000, length = 0x000020
   /* BEGIN is used for the "boot to Flash" bootloader mode   */
   RAMM0            : origin = 0x0001B1, length = 0x00024F
   RAMM1            : origin = 0x000400, length = 0x0003F8     /* on-chip RAM block M1 */
   RAMD0            : origin = 0x00C000, length = 0x000800
   RAMD1            : origin = 0x00C800, length = 0x000800
   RAMLS0           : origin = 0x008000, length = 0x000800
   RAMLS1           : origin = 0x008800, length = 0x000800
   RAMLS23           : origin = 0x009000, length = 0x001000
   RAMLS4           : origin = 0x00A000, length = 0x000800
   RAMLS5           : origin = 0x00A800, length = 0x000800
   RAMLS6TO7		: origin = 0x00B000, length = 0x001000
   RAMGS0           : origin = 0x00D000, length = 0x001000
   RAMGS1TO11		: origin = 0x00E000, length = 0x00AFF0
   RAMCOPY		    : origin = 0x018FF0, length = 0x000010

   /* Flash sectors */
   BEGIN            : origin = 0x088000, length = 0x000002
   VERSION			: origin = 0x088008, length = 0x000008
   FLASH4TO9		: origin = 0x088010, length = 0x02FFF0
   FLASH10			: origin = 0x0B8000, length = 0x002000
   FLASH11          : origin = 0x0BA000, length = 0x002000  /* on-chip Flash */
   FLASH12          : origin = 0x0BC000, length = 0x002000  /* on-chip Flash */
   FLASH13          : origin = 0x0BE000, length = 0x001FF0  /* on-chip Flash */

   CPU1TOCPU2RAM   : origin = 0x03A000, length = 0x000800
   CPU2TOCPU1RAM   : origin = 0x03B000, length = 0x0007F0
   CPU2TOCPU1RAM_WD : origin = 0x03B7F0, length = 0x000010
   CPUTOCMRAM      : origin = 0x039000, length = 0x0007F0
   CPUTOCM_PS  	   : origin = 0x0397F0, length = 0x000010
   CMTOCPURAM      : origin = 0x038000, length = 0x0007E8
   CMTOCPU_WD      : origin = 0x0387E8, length = 0x000008
   CMTOCPU_PS      : origin = 0x0387F0, length = 0x000010

   CLATOCPURAM   : origin = 0x001480,   length = 0x000080
   CPUTOCLARAM   : origin = 0x001500,   length = 0x000080

   CLATODMARAM	: origin = 0x001680, length = 0x000080
   DMATOCLARAM	: origin = 0x001700, length = 0x000080



   CANA_MSG_RAM     : origin = 0x049000, length = 0x000800
   CANB_MSG_RAM     : origin = 0x04B000, length = 0x000800

   RESET            : origin = 0x3FFFC0, length = 0x000002

   EMIF1_CS0n      : origin = 0x80000000, length = 0x10000000
   EMIF1_CS2n      : origin = 0x00100000, length = 0x00100000
   EMIF1_CS0_CS2n  : origin = 0x00200000, length = 0x00100000
   EMIF1_CS3n      : origin = 0x00300000, length = 0x00080000
   EMIF1_CS4n      : origin = 0x00380000, length = 0x00060000
   EMIF2_CS0n      : origin = 0x90000000, length = 0x10000000
   EMIF2_CS2n      : origin = 0x00002000, length = 0x00001000
}

SECTIONS
{
   codestart           : > BEGIN, ALIGN(8)
   .text               : > FLASH4TO9, ALIGN(8)
   .cinit              : > FLASH4TO9, ALIGN(8)
   .switch             : > FLASH10, ALIGN(8)
   .reset              : > RESET, TYPE = DSECT /* not used, */
   .TI.crctab	       : > FLASH13, ALIGN(8)

   /* HWBIST reset context restore code must be placed at 0x0000 */
   hwbist           : LOAD = FLASH4TO9,
                      RUN = HWBIST,
                      LOAD_START(HwbistLoadStart),
                      LOAD_SIZE(HwbistLoadSize),
                      RUN_START(HwbistRunStart),
                      PAGE = 0, ALIGN(8)

   /* Must be placed lower than a 16-bit memory address */
   hwbiststack      : > RAMM0

   .stack           : > RAMLS6TO7
   .init_array      : > FLASH4TO9, ALIGN(8)
   .bss             : >> RAMGS1TO11
   .bss:output      : > RAMLS4
   .bss:cio         : > RAMLS4
   .data            : >> RAMLS4|RAMLS5
   .sysmem          : > RAMLS5
   /* Initalized sections go in Flash */
   .const           : > FLASH4TO9, ALIGN(8)

   ramgs0 : > RAMGS1TO11, type=NOINIT
   ramcopy : > RAMCOPY, type=NOINIT
   
   MSGRAM_CPU1_TO_CPU2 : > CPU1TOCPU2RAM, type=NOINIT
   MSGRAM_CPU2_TO_CPU1 : > CPU2TOCPU1RAM, type=NOINIT
   MSGRAM_CPU2_TO_CPU1_Wd : > CPU2TOCPU1RAM_WD, type=NOINIT
   MSGRAM_CPU_TO_CM    : > CPUTOCMRAM, type=NOINIT
   MSGRAM_CM_TO_CPU    : > CMTOCPURAM, type=NOINIT

   MSGRAM_CPUTOCM_PS   : > CPUTOCM_PS, type=NOINIT
   MSGRAM_CMTOCPU_PS   : > CMTOCPU_PS, type=NOINIT
   MSGRAM_CMTOCPU_WD   : > CMTOCPU_WD, type=NOINIT

   MSGRAM_CLA_TO_CPU 	: > CLATOCPURAM, type=NOINIT
   MSGRAM_CPU_TO_CLA 	: > CPUTOCLARAM, type=NOINIT
   MSGRAM_CLA_TO_DMA    : > CLATODMARAM, type=NOINIT
   MSGRAM_DMA_TO_CLA    : > DMATOCLARAM, type=NOINIT

   /* CLA specific sections */
   Cla1Prog         :   LOAD = FLASH11,
                        RUN = RAMLS23,
                        LOAD_START(Cla1funcsLoadStart),
                        LOAD_END(Cla1funcsLoadEnd),
                        RUN_START(Cla1funcsRunStart),
                        LOAD_SIZE(Cla1funcsLoadSize),
                        ALIGN(8)


   CLADataLS0       : > RAMLS0
   CLADataLS1       : > RAMLS1

  /* CLA C compiler sections */
   //
   // Must be allocated to memory the CLA has write access to
   //
   CLAscratch       :
                     { *.obj(CLAscratch)
                     . += CLA_SCRATCHPAD_SIZE;
                     *.obj(CLAscratch_end) } >  RAMLS1, ALIGN(8)

   .scratchpad      : > RAMLS1
   .bss_cla         : > RAMLS1
   .const_cla       :   LOAD = FLASH11,
                        RUN = RAMLS1,
                        RUN_START(Cla1ConstRunStart),
                        LOAD_START(Cla1ConstLoadStart),
                        LOAD_SIZE(Cla1ConstLoadSize),
                        ALIGN(8)


   DataBufferSection : > RAMM1, ALIGN(8)
   VersionImageSection : > RAMGS1TO11, ALIGN(8)
   PrintBufferSection : > RAMGS1TO11, ALIGN(8)
   SafetyParameterSection : > RAMGS1TO11, ALIGN(8)

   .TI.ramfunc : {
   					-l F2838x_C28x_FlashAPI.lib
   				 }
   					LOAD = FLASH4TO9,
                    RUN = RAMGS1TO11,
                    LOAD_START(RamfuncsLoadStart),
                    LOAD_SIZE(RamfuncsLoadSize),
                    LOAD_END(RamfuncsLoadEnd),
                    RUN_START(RamfuncsRunStart),
                    RUN_SIZE(RamfuncsRunSize),
                    RUN_END(RamfuncsRunEnd),
                    ALIGN(8)


   .sdramfunc    : {} LOAD = FLASH4TO9,
                   RUN = RAMGS1TO11,
                   LOAD_START(XintffuncsLoadStart),
                   LOAD_END(XintffuncsLoadEnd),
                   RUN_START(XintffuncsRunStart),
                   ALIGN(8)


   emif_cs0_nonfar  : > EMIF1_CS0_CS2n
   .farbss          : > EMIF1_CS0n
   .farconst        : > EMIF1_CS0n
   .em1_cs0         : > EMIF1_CS0n
   .em1_cs2         : > EMIF1_CS2n | EMIF1_CS0_CS2n
   .em1_cs3         : > EMIF1_CS3n
   .em1_cs4         : > EMIF1_CS4n
   .em2_cs0         : > EMIF2_CS0n
   .em2_cs2         : > EMIF2_CS2n
}

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