Update mbed OS to handle ARMC6 requirements

Author: theotherjimmy

features/FEATURE_LWIP/lwip-interface/lwip-sys/arch/cc.h

@@ -51,7 +51,7 @@
 /* Use LWIP error codes */
 #define LWIP_PROVIDE_ERRNO
 
-#if defined(__arm__) && defined(__ARMCC_VERSION) 
+#if defined(__arm__) && defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 6010050)
     /* Keil uVision4 tools */
     #define PACK_STRUCT_BEGIN __packed
     #define PACK_STRUCT_STRUCT

features/storage/FEATURE_STORAGE/cfstore/configuration-store/configuration_store.h

@@ -165,7 +165,7 @@ typedef struct _ARM_CFSTORE_STATUS {
     ARM_CFSTORE_HANDLE (__name) = (ARM_CFSTORE_HANDLE) (__name##_buf_cFsToRe);  \
     memset((__name##_buf_cFsToRe), 0, CFSTORE_HANDLE_BUFSIZE)
 
-#if defined __MBED__ && defined TOOLCHAIN_GCC_ARM
+#if defined __MBED__ && (defined TOOLCHAIN_GCC_ARM || defined TOOLCHAIN_ARMC6)
 /** @brief  Helper macro to swap 2 handles, which is useful for the Find() idiom. */
 #define CFSTORE_HANDLE_SWAP(__a_HaNdLe, __b_HaNdLe)         \
     do{ ARM_CFSTORE_HANDLE __temp_HaNdLe = (__a_HaNdLe);    \
@@ -175,9 +175,8 @@ typedef struct _ARM_CFSTORE_STATUS {
         (__b_HaNdLe) = (__temp_HaNdLe);                     \
         __asm volatile("" ::: "memory");                    \
     }while(0)
-#endif
 
-#if defined __MBED__ && defined TOOLCHAIN_ARM
+#elif defined __MBED__ && defined TOOLCHAIN_ARM
 /** @brief  Helper macro to swap 2 handles, which is useful for the Find() idiom. */
 #define CFSTORE_HANDLE_SWAP(__a_HaNdLe, __b_HaNdLe)         \
     do{ ARM_CFSTORE_HANDLE __temp_HaNdLe = (__a_HaNdLe);    \
@@ -187,9 +186,8 @@ typedef struct _ARM_CFSTORE_STATUS {
         (__b_HaNdLe) = (__temp_HaNdLe);                     \
         __dmb(0xf);                                         \
     }while(0)
-#endif
 
-#if defined __MBED__ && defined __ICCARM__
+#elif defined __MBED__ && defined TOOLCHAIN_IAR
 /** @brief  Helper macro to swap 2 handles, which is useful for the Find() idiom. */
 /* note, memory barriers may be required in the following implementation */
 #define CFSTORE_HANDLE_SWAP(__a_HaNdLe, __b_HaNdLe)         \

platform/mbed_retarget.cpp

@@ -334,6 +334,16 @@ extern "C" int PREFIX(_write)(FILEHANDLE fh, const unsigned char *buffer, unsign
 #endif
 }
 
+#if defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
+extern "C" void PREFIX(_exit)(int return_code) {
+    while(1) {}
+}
+
+extern "C" void _ttywrch(int ch) {
+    serial_putc(&stdio_uart, ch);
+}
+#endif
+
 #if defined(__ICCARM__)
 extern "C" size_t    __read (int        fh, unsigned char *buffer, size_t       length) {
 #else

rtos/TARGET_CORTEX/mbed_boot.c

@@ -234,7 +234,7 @@ osMutexAttr_t             singleton_mutex_attr;
 #if !defined(HEAP_START)
     #if defined(__ICCARM__)
         #error "Heap should already be defined for IAR"
-    #elif defined(__CC_ARM)
+    #elif defined(__CC_ARM) || (defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050))
         extern uint32_t          Image$$RW_IRAM1$$ZI$$Limit[];
         #define HEAP_START      ((unsigned char*)Image$$RW_IRAM1$$ZI$$Limit)
         #define HEAP_SIZE       ((uint32_t)((uint32_t)INITIAL_SP - (uint32_t)HEAP_START))
@@ -330,7 +330,7 @@ void mbed_start_main(void)
 
 /******************** Toolchain specific code ********************/
 
-#if defined (__CC_ARM)
+#if defined (__CC_ARM) || (defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050))
 
 /* Common for both ARMC and MICROLIB */
 int $Super$$main(void);
@@ -402,7 +402,12 @@ void pre_main (void)
    With the RTOS there is not only one stack above the heap, there are multiple
    stacks and some of them are underneath the heap pointer.
 */
+#if defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
+__asm(".global __use_two_region_memory\n\t");
+__asm(".global __use_no_semihosting\n\t");
+#else
 #pragma import(__use_two_region_memory)
+#endif
 
 /* Called by the C library */
 void __rt_entry (void) {

rtos/TARGET_CORTEX/mbed_rtx_conf.h

@@ -41,7 +41,7 @@
 
 #define OS_DYNAMIC_MEM_SIZE         0
 
-#if defined(__CC_ARM)
+#if defined (__CC_ARM) || (defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050))
 /* ARM toolchain uses up to 8 static mutexes, any further mutexes will be allocated on the heap. */
 #define OS_MUTEX_OBJ_MEM            1
 #define OS_MUTEX_NUM                8

rtos/TARGET_CORTEX/rtx5/rtx_lib.c

@@ -595,7 +595,9 @@ void *__user_perthread_libspace (void) {
 typedef void *mutex;
 
 // Initialize mutex
+#if !defined(__ARMCC_VERSION) || __ARMCC_VERSION < 6010050
 __USED
+#endif
 int _mutex_initialize(mutex *m);
 __WEAK int _mutex_initialize(mutex *m) {
   *m = osMutexNew(NULL);
@@ -607,7 +609,9 @@ __WEAK int _mutex_initialize(mutex *m) {
 }
 
 // Acquire mutex
+#if !defined(__ARMCC_VERSION) || __ARMCC_VERSION < 6010050
 __USED
+#endif
 void _mutex_acquire(mutex *m);
 __WEAK void _mutex_acquire(mutex *m) {
   if (os_kernel_is_active()) {
@@ -616,7 +620,9 @@ __WEAK void _mutex_acquire(mutex *m) {
 }
 
 // Release mutex
+#if !defined(__ARMCC_VERSION) || __ARMCC_VERSION < 6010050
 __USED
+#endif
 void _mutex_release(mutex *m);
 __WEAK void _mutex_release(mutex *m) {
   if (os_kernel_is_active()) {
@@ -625,7 +631,9 @@ __WEAK void _mutex_release(mutex *m) {
 }
 
 // Free mutex
+#if !defined(__ARMCC_VERSION) || __ARMCC_VERSION < 6010050
 __USED
+#endif
 void _mutex_free(mutex *m);
 __WEAK void _mutex_free(mutex *m) {
   osMutexDelete(*m);