Merge pull request #14401 from LDong-Arm/m33_link_fix

Workaround for Cortex-M33 Arm toochain linking

Author: 0xc0170

tools/cmake/cores/Cortex-M33-NS.cmake

@@ -12,6 +12,13 @@ elseif(${MBED_TOOLCHAIN} STREQUAL "ARM")
         "-mcpu=cortex-m33+nodsp"
         "-mfpu=none"
     )
+    list(APPEND link_options
+        # Necessary as the linker does not always detect
+        # the architecture from the objectfiles correctly.
+        # Also, the complete flag should be "--cpu=Cortex-M33.no_dsp.no_fp"
+        # but this currently conflicts with CMake's compiler test until fixed
+        "--cpu=Cortex-M33.no_fp"
+    )
 endif()
 
 function(mbed_set_cpu_core_definitions target)

tools/cmake/cores/Cortex-M33.cmake

@@ -12,6 +12,13 @@ elseif(${MBED_TOOLCHAIN} STREQUAL "ARM")
         "-mcpu=cortex-m33+nodsp"
         "-mfpu=none"
     )
+    list(APPEND link_options
+        # Necessary as the linker does not always detect
+        # the architecture from the objectfiles correctly.
+        # Also, the complete flag should be "--cpu=Cortex-M33.no_dsp.no_fp"
+        # but this currently conflicts with CMake's compiler test until fixed
+        "--cpu=Cortex-M33.no_fp"
+    )
 endif()
 
 function(mbed_set_cpu_core_definitions target)