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我现在在尝试使用官网上下载的bootloader例程,不知道如何设置FLASH的地址,请指教,谢谢。
Boot_uart
MEMORY
{
VECTORS (X) : origin=0x00000000 length=0x00000020
FLASH_API (RX) : origin=0x00000020 length=0x000014E0
FLASH0 (RX) : origin=0x00001500 length=0x002FEB00 //LS31x Flash size is 0x300000
SRAM (RW) : origin=0x08002000 length=0x0002D000
STACK (RW) : origin=0x08000000 length=0x00002000
}
APP
MEMORY
{
VECTORS (X) : origin=0x00000000 length=0x00000020
FLASH0 (RX) : origin=0x00000020 length=0x0017FFE0
FLASH1 (RX) : origin=0x00180000 length=0x00180000
STACKS (RW) : origin=0x08000000 length=0x00001700
RAM (RW) : origin=0x08001700 length=0x0003e900
/* USER CODE BEGIN (2) */
/* USER CODE END */
}
1.按照Boot_uart的设置,APP的VECTORS+FLASH0+FLASH1是否应该都在FLASH_API的范围之内? APP的VECTORS+FLASH0+FLASH1 的length总和是否应该等于Boot_uart的FLASH_API的长度?那么Boot_uart的FLASH_API长度只有14E0是不是太少了?应该如何调整?
2. Boot_uart和APP的SRAM和STACKS是否是共用的?如何修改?
/*----------------------------------------------------------------------------*/ /* TMS570LS212xFlashLnk.cmd */ /* */ /* (c) Texas Instruments 2011, All rights reserved. */ /* */ /* USER CODE BEGIN (0) */ /* USER CODE END */ /*----------------------------------------------------------------------------*/ /* Linker Settings */ --retain="*(.intvecs)" /*----------------------------------------------------------------------------*/ /* Memory Map */ MEMORY{ VECTORS (X) : origin=0x00000000 length=0x00000020 FLASH0 (RX) : origin=0x00000020 length=0x0017FFE0 FLASH1 (RX) : origin=0x00180000 length=0x00080000 STACKS (RW) : origin=0x08000000 length=0x00001300 RAM (RW) : origin=0x08001300 length=0x0002ED00 } /*----------------------------------------------------------------------------*/ /* Section Configuration */ SECTIONS{ .intvecs : {} > VECTORS .text : {} > FLASH0 | FLASH1 .const : {} > FLASH0 | FLASH1 .cinit : {} > FLASH0 | FLASH1 .pinit : {} > FLASH0 | FLASH1 .bss : {} > RAM .data : {} > RAM } /*----------------------------------------------------------------------------*/
C:\ti\ccsv6\ccs_base\arm\include
在这个文件夹下有的,我看了一下都是上面的那种。没看到
APP
MEMORY
你上面的脚本在哪儿找的。
1. bootloader和app是两个完全独立的工程文件,分别对应一个link.cmd文件;
2.flash API是flash 驱动库的存储地址空间。flash0是bootloader程序存储空间;
3.app的vectors的起始地址应该在bootloader的flash0+length之后。