Merge pull request #4031 from jeromecoutant/PR_IAR_BIG_HEAP

STM32 increase IAR heap size for big RAM targets

Author: adbridge

targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F412xG/device/TOOLCHAIN_IAR/stm32f412xx.icf

@@ -15,7 +15,6 @@ define region ROM_region = mem:[from __region_ROM_start__ to __region_ROM_end__]
 define region RAM_region = mem:[from __region_RAM_start__ to __region_RAM_end__];
 
 /* Stack and Heap */
-/*Heap 1/4 of ram and stack 1/8*/
 define symbol __size_cstack__ = 0x8000;
 define symbol __size_heap__   = 0x10000;
 define block CSTACK    with alignment = 8, size = __size_cstack__   { };

targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F469xI/device/TOOLCHAIN_IAR/stm32f469xx.icf

@@ -15,9 +15,8 @@ define region ROM_region = mem:[from __region_ROM_start__ to __region_ROM_end__]
 define region RAM_region = mem:[from __region_RAM_start__ to __region_RAM_end__];
 
 /* Stack and Heap */
-/*Heap 1/4 of ram and stack 1/8*/
 define symbol __size_cstack__ = 0x4000;
-define symbol __size_heap__   = 0x8000;
+define symbol __size_heap__   = 0x10000;
 define block CSTACK    with alignment = 8, size = __size_cstack__   { };
 define block HEAP      with alignment = 8, size = __size_heap__     { };
 define block STACKHEAP with fixed order { block HEAP, block CSTACK };

targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F756xG/device/TOOLCHAIN_IAR/stm32f756xg.icf

@@ -19,9 +19,8 @@ define region RAM_region = mem:[from __region_RAM_start__ to __region_RAM_end__]
 define region ITCMRAM_region = mem:[from __region_ITCMRAM_start__ to __region_ITCMRAM_end__];
 
 /* Stack and Heap */
-/*Heap 1/4 of ram and stack 1/8*/
 define symbol __size_cstack__ = 0x4000;
-define symbol __size_heap__   = 0x8000;
+define symbol __size_heap__   = 0x10000;
 define block CSTACK    with alignment = 8, size = __size_cstack__   { };
 define block HEAP      with alignment = 8, size = __size_heap__     { };
 define block STACKHEAP with fixed order { block HEAP, block CSTACK };

targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F767xI/device/TOOLCHAIN_IAR/stm32f767xi.icf

@@ -19,9 +19,8 @@ define region RAM_region = mem:[from __region_RAM_start__ to __region_RAM_end__]
 define region ITCMRAM_region = mem:[from __region_ITCMRAM_start__ to __region_ITCMRAM_end__];
 
 /* Stack and Heap */
-/*Heap 1/4 of ram and stack 1/8*/
 define symbol __size_cstack__ = 0x8000;
-define symbol __size_heap__   = 0x8000;
+define symbol __size_heap__   = 0x10000;
 define block CSTACK    with alignment = 8, size = __size_cstack__   { };
 define block HEAP      with alignment = 8, size = __size_heap__     { };
 define block STACKHEAP with fixed order { block HEAP, block CSTACK };

targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F769xI/device/TOOLCHAIN_IAR/stm32f769xi.icf

@@ -19,9 +19,8 @@ define region RAM_region = mem:[from __region_RAM_start__ to __region_RAM_end__]
 define region ITCMRAM_region = mem:[from __region_ITCMRAM_start__ to __region_ITCMRAM_end__];
 
 /* Stack and Heap */
-/*Heap 1/4 of ram and stack 1/8*/
 define symbol __size_cstack__ = 0x8000;
-define symbol __size_heap__   = 0x8000;
+define symbol __size_heap__   = 0x10000;
 define block CSTACK    with alignment = 8, size = __size_cstack__   { };
 define block HEAP      with alignment = 8, size = __size_heap__     { };
 define block STACKHEAP with fixed order { block HEAP, block CSTACK };