Enabled crash reporting for DISCO_F407VG target

Author: masoudr

platform/mbed_lib.json

@@ -198,6 +198,10 @@
         "NUCLEO_F411RE": {
             "crash-capture-enabled": true,
             "fatal-error-auto-reboot-enabled": true
+        },
+        "DISCO_F407VG": {
+            "crash-capture-enabled": true,
+            "fatal-error-auto-reboot-enabled": true
         }
     }
 }

targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F407xG/device/TOOLCHAIN_GCC_ARM/STM32F407XG.ld

@@ -6,6 +6,8 @@
 
 STACK_SIZE = MBED_BOOT_STACK_SIZE;
 
+M_CRASH_DATA_RAM_SIZE = 0x100;
+
 MEMORY
 { 
   FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 1024K
@@ -85,6 +87,18 @@ SECTIONS
     __etext = .;
     _sidata = .;
 
+    .crash_data_ram :
+    {
+        . = ALIGN(8);
+        __CRASH_DATA_RAM__ = .;
+        __CRASH_DATA_RAM_START__ = .; /* Create a global symbol at data start */
+        KEEP(*(.keep.crash_data_ram))
+        *(.m_crash_data_ram)     /* This is a user defined section */
+        . += M_CRASH_DATA_RAM_SIZE;
+        . = ALIGN(8);
+        __CRASH_DATA_RAM_END__ = .; /* Define a global symbol at data end */
+    } > RAM 
+
     .data : AT (__etext)
     {
         __data_start__ = .;