Merge pull request #3495 from thread-liu/slave

[update] 更新 bsp/stm32 不规范

Author: BernardXiong

bsp/stm32/stm32f429-st-disco/board/linker_scripts/link.icf

@@ -5,24 +5,30 @@
 define symbol __ICFEDIT_intvec_start__ = 0x08000000;
 /*-Memory Regions-*/
 define symbol __ICFEDIT_region_ROM_start__ = 0x08000000;
-define symbol __ICFEDIT_region_ROM_end__   = 0x081FFFFF;
+define symbol __ICFEDIT_region_ROM_end__   = 0x080FFFFF;
 define symbol __ICFEDIT_region_RAM_start__ = 0x20000000;
-define symbol __ICFEDIT_region_RAM_end__   = 0x2004FFFF;
+define symbol __ICFEDIT_region_RAM_end__   = 0x2002FFFF;
 /*-Sizes-*/
-define symbol __ICFEDIT_size_cstack__ = 0x0400;
-define symbol __ICFEDIT_size_heap__   = 0x0000;
+define symbol __ICFEDIT_size_cstack__ = 0x200;
+define symbol __ICFEDIT_size_heap__   = 0x000;
 /**** 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 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 block CSTACK    with alignment = 8, size = __ICFEDIT_size_cstack__   { };
+define block HEAP      with alignment = 8, size = __ICFEDIT_size_heap__     { };
+define block RTT_INIT_FUNC with fixed order { readonly section .rti_fn* };
 
 initialize by copy { readwrite };
 do not initialize  { section .noinit };
 
+keep { section FSymTab };
+keep { section VSymTab };
+keep { section .rti_fn* };
 place at address mem:__ICFEDIT_intvec_start__ { readonly section .intvec };
 
-place in ROM_region   { readonly };
-place in RAM_region   { readwrite, last block CSTACK};
+place in ROM_region   { readonly, block RTT_INIT_FUNC };
+place in RAM_region   { readwrite, block CSTACK, last block HEAP};

bsp/stm32/stm32f429-st-disco/board/linker_scripts/link.sct

@@ -2,13 +2,13 @@
 ; *** Scatter-Loading Description File generated by uVision ***
 ; *************************************************************
 
-LR_IROM1 0x08000000 0x00200000  {    ; load region size_region
-  ER_IROM1 0x08000000 0x00200000  {  ; load address = execution address
+LR_IROM1 0x08000000 0x00100000  {    ; load region size_region
+  ER_IROM1 0x08000000 0x00100000  {  ; load address = execution address
    *.o (RESET, +First)
    *(InRoot$$Sections)
    .ANY (+RO)
   }
-  RW_IRAM1 0x20000000 0x00050000  {  ; RW data
+  RW_IRAM1 0x20000000 0x00020000  {  ; RW data
    .ANY (+RW +ZI)
   }
 }