Unify some STM32L4 linker scripts into one (#440)

* Unify some STM32L4 linker scripts into one

* Standardize all the cmsis_nvic.h defines

* Fix an annoyance

* Fix totally broken stack configuration on STM32L4

Author: Jamie Smith

CMakeLists.txt

@@ -132,7 +132,7 @@ if("MBED_CONF_TARGET_APPLICATION_PROFILE=full" IN_LIST MBED_CONFIG_DEFINITIONS O
 elseif("MBED_CONF_TARGET_APPLICATION_PROFILE=bare-metal" IN_LIST MBED_CONFIG_DEFINITIONS)
     set(APPLICATION_PROFILE_CONFIG_BAREMETAL TRUE)
 else()
-    message(FATAL_ERROR "target.application-profile must be set to either 'full' or 'bare-metal'!")
+    message(FATAL_ERROR "target.application-profile must be set to either 'full' or 'bare-metal'! If you are getting this after upgrading mbed-os then you likely need to clear your CMake cache.")
 endif()
 
 # mbed-core-flags/mbed-core-sources link mbed-rtos-flags/mbed-rtos-sources or not depending on

targets/TARGET_STM/TARGET_STM32L4/CMakeLists.txt

@@ -16,6 +16,7 @@ add_subdirectory(TARGET_STM32L4R5xI EXCLUDE_FROM_ALL)
 add_subdirectory(TARGET_STM32L4R9xI EXCLUDE_FROM_ALL)
 add_subdirectory(TARGET_STM32L4S5xI EXCLUDE_FROM_ALL)
 add_subdirectory(STM32Cube_FW EXCLUDE_FROM_ALL)
+add_subdirectory(linker_scripts)
 
 add_library(mbed-stm32l4 INTERFACE)
 

targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L432xC/CMakeLists.txt

@@ -5,10 +5,8 @@ add_subdirectory(TARGET_NUCLEO_L432KC EXCLUDE_FROM_ALL)
 
 if(${MBED_TOOLCHAIN} STREQUAL "GCC_ARM")
     set(STARTUP_FILE TOOLCHAIN_GCC_ARM/startup_stm32l432xx.S)
-    set(LINKER_FILE TOOLCHAIN_GCC_ARM/stm32l432xc.ld)
 elseif(${MBED_TOOLCHAIN} STREQUAL "ARM")
     set(STARTUP_FILE TOOLCHAIN_ARM/startup_stm32l432xx.S)
-    set(LINKER_FILE TOOLCHAIN_ARM/stm32l432xc.sct)
 endif()
 
 add_library(mbed-stm32l432xc INTERFACE)
@@ -23,5 +21,5 @@ target_include_directories(mbed-stm32l432xc
     INTERFACE
         .
 )
-mbed_set_linker_script(mbed-stm32l432xc ${CMAKE_CURRENT_SOURCE_DIR}/${LINKER_FILE})
+
 target_link_libraries(mbed-stm32l432xc INTERFACE mbed-stm32l4)

targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L432xC/TOOLCHAIN_GCC_ARM/stm32l432xc.ld

@@ -17,31 +17,7 @@
 #ifndef MBED_CMSIS_NVIC_H
 #define MBED_CMSIS_NVIC_H
 
-#if !defined(MBED_ROM_START)
-#define MBED_ROM_START  0x8000000
-#endif
-
-#if !defined(MBED_ROM_SIZE)
-#define MBED_ROM_SIZE  0x40000  // 256 KB
-#endif
-
-#if !defined(MBED_RAM_START)
-#define MBED_RAM_START  0x20000000
-#endif
-
-#if !defined(MBED_RAM_SIZE)
-#define MBED_RAM_SIZE  0xc000  // 48 KB
-#endif
-
-#if !defined(MBED_RAM1_START)
-#define MBED_RAM1_START  0x10000000
-#endif
-
-#if !defined(MBED_RAM1_SIZE)
-#define MBED_RAM1_SIZE  0x4000  // 16 KB
-#endif
-
 #define NVIC_NUM_VECTORS        99
-#define NVIC_RAM_VECTOR_ADDRESS MBED_RAM_START
+#define NVIC_RAM_VECTOR_ADDRESS MBED_RAM_BANK_IRAM2_START
 
 #endif