Merge pull request #12708 from rajkan01/ARM_compiler_version

Remove compatibility for Arm Compiler versions prior to 6.01.0050

Author: 0xc0170

platform/source/mbed_crash_data_offsets.h

@@ -25,7 +25,7 @@ extern "C" {
 /** \ingroup mbed-os-internal */
 /** \addtogroup platform-internal-api */
 /** @{*/
-#if defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
+#if defined(__ARMCC_VERSION)
 extern uint32_t Image$$RW_m_crash_data$$ZI$$Base[];
 extern uint32_t Image$$RW_m_crash_data$$ZI$$Size;
 #define __CRASH_DATA_RAM_START__    Image$$RW_m_crash_data$$ZI$$Base

platform/source/mbed_retarget.cpp

@@ -47,20 +47,14 @@
 static SingletonPtr<PlatformMutex> _mutex;
 
 #if defined(__ARMCC_VERSION)
-#   if __ARMCC_VERSION >= 6010050
-#      include <arm_compat.h>
-#   endif
+#   include <arm_compat.h>
 #   include <rt_sys.h>
 #   include <rt_misc.h>
 #   include <stdint.h>
 #   define PREFIX(x)    _sys##x
 #   define OPEN_MAX     _SYS_OPEN
 #   ifdef __MICROLIB
-#       if __ARMCC_VERSION >= 6010050
 asm(" .global __use_full_stdio\n");
-#       else
-#           pragma import(__use_full_stdio)
-#       endif
 #   endif
 
 #elif defined(__ICCARM__)
@@ -803,7 +797,7 @@ MBED_WEAK int mbed::minimal_console_putc(int c)
 }
 #endif // MBED_CONF_PLATFORM_STDIO_MINIMAL_CONSOLE_ONLY
 
-#if defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
+#if defined (__ARMCC_VERSION)
 extern "C" void PREFIX(_exit)(int return_code)
 {
     while (1) {}
@@ -1084,12 +1078,8 @@ extern "C" long PREFIX(_flen)(FILEHANDLE fh)
 #if !defined(COMPONENT_SPE) || !defined(TARGET_TFM)
 
 #if !defined(__MICROLIB)
-#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
 #endif
 
 // Through weak-reference, we can check if ARM_LIB_HEAP is defined at run-time.

rtos/source/TARGET_CORTEX/TOOLCHAIN_ARM_STD/mbed_boot_arm_std.c

@@ -86,11 +86,9 @@ void mbed_toolchain_init()
    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)
+#if defined (__ARMCC_VERSION)
 __asm(".global __use_two_region_memory\n\t");
 __asm(".global __use_no_semihosting\n\t");
-#else
-#pragma import(__use_two_region_memory)
 #endif
 
 #define LIBSPACE_SIZE 96