Add MBED_APP_START & MBED_APP_SIZE check/set to MTS_MDOT_F411RE arm linker

Author: felser

targets/TARGET_STM/TARGET_STM32F4/TARGET_MTS_MDOT_F411RE/TOOLCHAIN_ARM/stm32f411re.sct

@@ -28,29 +28,43 @@
 ; 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 0x80000
+#endif
+
 #if !defined(MBED_BOOT_STACK_SIZE)
   #define MBED_BOOT_STACK_SIZE 0x400
 #endif
 
 #define Stack_Size MBED_BOOT_STACK_SIZE
 
-; STM32F411RE: 512 KB FLASH (0x80000) + 128 KB SRAM (0x20000)
-; FIRST 64 KB FLASH FOR BOOTLOADER
-; REST 448 KB FLASH FOR APPLICATION
-LR_IROM1 0x08010000 0x70000  {    ; load region size_region
+#define MBED_RAM_START              0x20000000
+#define MBED_RAM_SIZE               0x20000
+#define MBED_VECTTABLE_RAM_START    (MBED_RAM_START)
+#define MBED_VECTTABLE_RAM_SIZE     0x198
+#define MBED_RAM0_START             (MBED_RAM_START + MBED_VECTTABLE_RAM_SIZE)
+#define MBED_RAM0_SIZE              (MBED_RAM_SIZE - MBED_VECTTABLE_RAM_SIZE)
+
+; STM32F411RE: 512 KB FLASH (0x80000) + 128 KB SRAM (0x20000) if not using MTS bootloader
+; If using MTS bootloader, FIRST 64 KB FLASH FOR BOOTLOADER, REST 448 KB FLASH FOR APPLICATION
+LR_IROM1 MBED_APP_START MBED_APP_SIZE  {    ; load region size_region
 
-  ER_IROM1 0x08010000 0x70000  {  ; load address = execution address
+  ER_IROM1 MBED_APP_START MBED_APP_SIZE  {  ; load address = execution address
    *.o (RESET, +First)
    *(InRoot$$Sections)
    .ANY (+RO)
   }
 
   ; Total: 102 vectors = 408 bytes (0x198) to be reserved in RAM
-  RW_IRAM1 (0x20000000+0x198) (0x20000-0x198-Stack_Size)  {  ; RW data
+  RW_IRAM1 (MBED_RAM0_START) (MBED_RAM0_SIZE-Stack_Size)  {  ; RW data
    .ANY (+RW +ZI)
   }
 
-  ARM_LIB_STACK (0x20000000+0x20000) EMPTY -Stack_Size { ; stack
+  ARM_LIB_STACK (MBED_RAM0_START+MBED_RAM0_SIZE) EMPTY -Stack_Size { ; stack
   }
 }