- Add Default Heap Size

libraries/mbed/targets/cmsis/TARGET_STM/TARGET_DISCO_F407VG/TOOLCHAIN_GCC_ARM/startup_stm32f407xx.s

@@ -72,6 +72,41 @@ defined in linker script */
  * @param  None
  * @retval : None
 */
+   .section .stack
+    .align 3
+#ifdef __STACK_SIZE
+    .equ    Stack_Size, __STACK_SIZE
+#else
+    .equ    Stack_Size, 0xc00
+#endif
+    .globl    __StackTop
+    .globl    __StackLimit
+__StackLimit:
+    .space    Stack_Size
+    .size __StackLimit, . - __StackLimit
+__StackTop:
+    .size __StackTop, . - __StackTop
+
+    .section .heap
+    .align 3
+#ifdef __HEAP_SIZE
+    .equ    Heap_Size, __HEAP_SIZE
+#else
+    .equ    Heap_Size, 0x400
+#endif
+    .globl    __HeapBase
+    .globl    __HeapLimit
+__HeapBase:
+    .if    Heap_Size
+    .space    Heap_Size
+    .endif
+    .size __HeapBase, . - __HeapBase
+__HeapLimit:
+    .size __HeapLimit, . - __HeapLimit
+
+
+
+
 
     .section  .text.Reset_Handler
   .weak  Reset_Handler

libraries/mbed/targets/cmsis/TARGET_STM/TARGET_NUCLEO_F401RE/TOOLCHAIN_ARM_MICRO/startup_stm32f401xe.s

@@ -58,7 +58,7 @@ __initial_sp    EQU     0x20018000 ; Top of RAM
 ;   <o>  Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
 ; </h>
 
-Heap_Size       EQU     0x00000000
+Heap_Size       EQU     0x00000400
 
                 AREA    HEAP, NOINIT, READWRITE, ALIGN=3
                 EXPORT  __heap_base

libraries/mbed/targets/cmsis/TARGET_STM/TARGET_NUCLEO_F401RE/TOOLCHAIN_ARM_STD/startup_stm32f401xe.s

@@ -39,8 +39,30 @@
 ; 
 ;*******************************************************************************
 
+Stack_Size      EQU     0x00000400
+
+                AREA    STACK, NOINIT, READWRITE, ALIGN=3
+                EXPORT  __initial_sp
+
+Stack_Mem       SPACE   Stack_Size
 __initial_sp    EQU     0x20018000 ; Top of RAM
 
+
+; <h> Heap Configuration
+;   <o>  Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
+; </h>
+
+Heap_Size       EQU     0x00000400
+
+                AREA    HEAP, NOINIT, READWRITE, ALIGN=3
+                EXPORT  __heap_base
+                EXPORT  __heap_limit
+
+__heap_base
+Heap_Mem        SPACE   Heap_Size
+__heap_limit
+
+  
                 PRESERVE8
                 THUMB
 

libraries/mbed/targets/cmsis/TARGET_STM/TARGET_NUCLEO_F401RE/TOOLCHAIN_GCC_ARM/startup_STM32F40x.s

@@ -52,7 +52,7 @@ __StackTop:
 #ifdef __HEAP_SIZE
     .equ    Heap_Size, __HEAP_SIZE
 #else
-    .equ    Heap_Size, 0
+    .equ    Heap_Size, 0x400
 #endif
     .globl    __HeapBase
     .globl    __HeapLimit

libraries/mbed/targets/cmsis/TARGET_STM/TARGET_NUCLEO_F401RE/TOOLCHAIN_IAR/stm32f401xe.icf

@@ -16,7 +16,7 @@ define region RAM_region      = mem:[from __region_RAM_start__   to __region_RAM
 
 /* Stack and Heap */
 define symbol __size_cstack__ = 0x400;
-define symbol __size_heap__   = 0x200;
+define symbol __size_heap__   = 0x400;
 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 };