Modify linker scripts for IAR and ARM compilers to support bootloader on NUCLEO_L073RZ

Author: sarahmarshy

targets/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L073RZ/device/TOOLCHAIN_ARM_MICRO/stm32l073xz.sct

@@ -27,10 +27,18 @@
 ; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
+#if !defined(MBED_APP_START)
+  #define MBED_APP_START 0x08000000
+#endif
+
+ #if !defined(MBED_APP_SIZE)
+  #define MBED_APP_SIZE 0x30000
+#endif
+
 ; STM32L073RZ: 192KB FLASH (0x30000) + 20KB RAM (0x5000)
-LR_IROM1 0x08000000 0x30000  {    ; load region size_region
+LR_IROM1 MBED_APP_START MBED_APP_SIZE  {    ; load region size_region
 
-  ER_IROM1 0x08000000 0x30000  {  ; load address = execution address
+  ER_IROM1 MBED_APP_START MBED_APP_SIZE  {  ; load address = execution address
    *.o (RESET, +First)
    *(InRoot$$Sections)
    .ANY (+RO)

targets/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L073RZ/device/TOOLCHAIN_ARM_STD/stm32l073xz.sct

@@ -32,12 +32,20 @@
   #define MBED_BOOT_STACK_SIZE 0x400
 #endif
 
+#if !defined(MBED_APP_START)
+  #define MBED_APP_START 0x08000000
+#endif
+
+ #if !defined(MBED_APP_SIZE)
+  #define MBED_APP_SIZE 0x30000
+#endif
+
 #define Stack_Size MBED_BOOT_STACK_SIZE
 
 ; STM32L073RZ: 192KB FLASH (0x30000) + 20KB RAM (0x5000)
-LR_IROM1 0x08000000 0x30000  {    ; load region size_region
+LR_IROM1 MBED_APP_START MBED_APP_SIZE  {    ; load region size_region
 
-  ER_IROM1 0x08000000 0x30000  {  ; load address = execution address
+  ER_IROM1 MBED_APP_START MBED_APP_SIZE  {  ; load address = execution address
    *.o (RESET, +First)
    *(InRoot$$Sections)
    .ANY (+RO)

targets/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L073RZ/device/TOOLCHAIN_GCC_ARM/STM32L073XZ.ld

@@ -31,7 +31,7 @@
 #endif
 
 #if !defined(MBED_APP_SIZE)
-  #define MBED_APP_SIZE 0x2EE00
+  #define MBED_APP_SIZE 0x30000
 #endif
 
 #if !defined(MBED_BOOT_STACK_SIZE)

targets/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L073RZ/device/TOOLCHAIN_IAR/stm32l073xx.icf

@@ -1,7 +1,14 @@
-/* [ROM = 192kb = 0x30000] */
-define symbol __intvec_start__     = 0x08000000;
-define symbol __region_ROM_start__ = 0x08000000;
-define symbol __region_ROM_end__   = 0x0802FFFF;
+if (!isdefinedsymbol(MBED_APP_START)) { 
+    define symbol MBED_APP_START = 0x08000000; 
+}
+
+if (!isdefinedsymbol(MBED_APP_SIZE)) { 
+    define symbol MBED_APP_SIZE = 0x3000; 
+}
+
+define symbol __intvec_start__     = MBED_APP_START;
+define symbol __region_ROM_start__ = MBED_APP_SIZE;
+define symbol __region_ROM_end__   = MBED_APP_START - MBED_APP_SIZE - 1;
 
 /* [RAM = 20kb = 0x5000] Vector table dynamic copy: 48 vectors = 192 bytes (0xC0) to be reserved in RAM */
 define symbol __NVIC_start__          = 0x20000000;