icf是链接配置文件（Linker configuration file）后缀名，该文件为内存的配置文件，在使用IAR编译器时会生成.icf文件。

通过下图中的edit配置ROM、RAM、堆、栈的使用情况、中断向量表的起始地址，然后勾选覆盖默认的.icf文件。

 

以下为icf文件内容：

/*###ICF### Section handled by ICF editor, don't touch! ****/
/*-Editor annotation file-*/
/* IcfEditorFile="$TOOLKIT_DIR$\config\ide\IcfEditor\cortex_v1_0.xml" */
/*-Specials-*/
define symbol __ICFEDIT_intvec_start__ = 0x08000000;
/*-Memory Regions-*/
define symbol __ICFEDIT_region_ROM_start__    = 0x08000000;
define symbol __ICFEDIT_region_ROM_end__      = 0x0800D800;
define symbol __ICFEDIT_region_RAM_start__    = 0x20000000;
define symbol __ICFEDIT_region_RAM_end__      = 0x2002FFFF;
define symbol __ICFEDIT_region_CCMRAM_start__ = 0x10000000;
define symbol __ICFEDIT_region_CCMRAM_end__   = 0x1000FFFF;
/*-Sizes-*/
define symbol __ICFEDIT_size_cstack__ = 0x400;
define symbol __ICFEDIT_size_heap__   = 0x200;
/**** End of ICF editor section. ###ICF###*/define memory mem with size = 4G;
define region ROM_region      = mem:[from __ICFEDIT_region_ROM_start__   to __ICFEDIT_region_ROM_end__];
define region RAM_region      = mem:[from __ICFEDIT_region_RAM_start__   to __ICFEDIT_region_RAM_end__];
define region CCMRAM_region   = mem:[from __ICFEDIT_region_CCMRAM_start__   to __ICFEDIT_region_CCMRAM_end__];define block CSTACK    with alignment = 8, size = __ICFEDIT_size_cstack__   { };
define block HEAP      with alignment = 8, size = __ICFEDIT_size_heap__     { };initialize by copy { readwrite };
do not initialize  { section .noinit };place at address mem:__ICFEDIT_intvec_start__ { readonly section .intvec };place in ROM_region   { readonly };
place in RAM_region   { readwrite,block CSTACK, block HEAP };