[参考译文] TMS320F280025：分配给一个硬编码地址

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https://e2e.ti.com/support/microcontrollers/c2000-microcontrollers-group/c2000/f/c2000-microcontrollers-forum/1290789/tms320f280025-allocations-to-a-hard-coded-address

器件型号：TMS320F280025

尊敬的团队：

我在 main.c 文件中创建了一个名为 User1的输出节。我希望将该段分配给一个固定的地址、而不是一个地址范围。

__attribute__((section(".user1"))) const STORE_MSG_t STORE_MSG =
{
    0xffffffff
};

我在此链接中尝试使用该方法。 TI 链接器命令文件入门

MEMORY
{
   BEGIN           	: origin = 0x080000, length = 0x000002
   BOOT_RSVD		: origin = 0x00000002, length = 0x00000126
   RAMM0           	: origin = 0x00000128, length = 0x000002D8
   RAMM1            : origin = 0x00000400, length = 0x000003F8     /* on-chip RAM block M1 */
// RAMM1_RSVD       : origin = 0x000007F8, length = 0x00000008 /* Reserve and do not use for code as per the errata advisory "Memory: Prefetching Beyond Valid Memory" */

/* RAMLS4           : origin = 0x0000A000, length = 0x00000800
   RAMLS5           : origin = 0x0000A800, length = 0x00000800
   RAMLS6           : origin = 0x0000B000, length = 0x00000800
   RAMLS7           : origin = 0x0000B800, length = 0x00000800*/

   /* Combining all the LS RAMs */
   RAMLS4567        : origin = 0x0000A000, length = 0x00001000
   RAMGS0           : origin = 0x0000B000, length = 0x000017F8//
// RAMGS0_RSVD      : origin = 0x0000C7F8, length = 0x00000008 /* Reserve and do not use for code as per the errata advisory "Memory: Prefetching Beyond Valid Memory" */


//  FLASHBANK1       : origin = 0x00080000, length = 0x0000FFF0
//  FLASH_BANK1_RSVD : origin = 0x0008FFF0, length = 0x00000010 /* Reserve and do not use for code as per the errata advisory "Memory: Prefetching Beyond Valid Memory" */
   BOOTROM          : origin = 0x003F0000, length = 0x00008000
   BOOTROM_EXT      : origin = 0x003F8000, length = 0x00007FC0
   RESET            : origin = 0x003FFFC0, length = 0x00000002
   /* Flash sectors */
   /* BANK 0 */
   FLASH_BANK0_SEC0  : origin = 0x080002, length = 0x00009D	/* on-chip Flash0x000FFE */
   FLASH_BANK0_SEC1  : origin = 0x080100, length = 0x001900	/* on-chip Flash */
   FLASH_BANK0_SEC2  : origin = 0x082002, length = 0x00009D	/* on-chip Flash */
   FLASH_BANK0_SEC3  : origin = 0x082100, length = 0x001900	/* 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 = 0x000FF0	/* on-chip Flash */
// FLASH_BANK0_SEC15_RSVD     : origin = 0x08FFF0, length = 0x000010  /* Reserve and do not use for code as per the errata advisory "Memory: Prefetching Beyond Valid Memory" */

}


SECTIONS
{
   codestart        : > BEGIN, ALIGN(8)
   .text            : >> FLASH_BANK0_SEC1 | FLASH_BANK0_SEC2 | FLASH_BANK0_SEC3 | FLASH_BANK0_SEC4 | FLASH_BANK0_SEC5,   ALIGN(8)
   .cinit           : > FLASH_BANK0_SEC4,  ALIGN(8)
   .switch          : > FLASH_BANK0_SEC4,  ALIGN(8)
   .reset           : > RESET,                  TYPE = DSECT /* not used, */

   .stack           : > RAMM1

   .init_array      : > FLASH_BANK0_SEC4,  ALIGN(8)
   .bss             : > RAMLS4567
   .bss:output      : > RAMLS4567
   .bss:cio         : > RAMGS0
   .const           : > FLASH_BANK0_SEC4,  ALIGN(8)
   .data            : > RAMLS4567
   .sysmem          : > RAMLS4567


   	.user1           : > 0x080002


    ramgs0 : > RAMGS0

    /*  Allocate IQ math areas: */
   IQmath           : > RAMLS4567
   IQmathTables     : > RAMLS4567

  .TI.ramfunc      : LOAD = FLASH_BANK0_SEC1,
                  RUN = RAMGS0,
                  LOAD_START(RamfuncsLoadStart),
                  LOAD_SIZE(RamfuncsLoadSize),
                  LOAD_END(RamfuncsLoadEnd),
                  RUN_START(RamfuncsRunStart),
                  RUN_SIZE(RamfuncsRunSize),
                  RUN_END(RamfuncsRunEnd),
                  ALIGN(8)
	DataBufferSection : > RAMLS4567, ALIGN(8)
}
/*
//===========================================================================
// End of file.
//===========================================================================
*/

在映射文件中如下图所示。