Build: Unifying and format configuration printout

Signed-off-by: Anton Komlev <anton.komlev@arm.com>
Change-Id: I2085c31803e6341703038822b507c8e31db7afb0
diff --git a/cmake/utils.cmake b/cmake/utils.cmake
new file mode 100644
index 0000000..7b5f9b5
--- /dev/null
+++ b/cmake/utils.cmake
@@ -0,0 +1,56 @@
+#-------------------------------------------------------------------------------
+# Copyright (c) 2022, Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#-------------------------------------------------------------------------------
+
+# A string calibrating routine to the specified length by
+# appending to an input string a specified character.
+#
+# output - variable to return the calibrated string
+
+function(format_string output input size filler)
+    string(LENGTH ${input} length)
+    foreach(i RANGE ${length} ${size})
+        string(CONCAT input ${input} ${filler})
+    endforeach()
+    set(${output} ${input} PARENT_SCOPE)
+endfunction()
+
+# Prints formatted list of options with a title
+#
+# title - will be printed in a header
+# options - list of CMake options to print (semicolon separated)
+#
+# Example:
+# dump_options("Partitions" "TFM_PARTITION_CRYPTO; TFM_PARTITION_FIRMWARE_UPDATE ")
+# will produce:
+# -- -------- Partitions ---------------------
+# -- TFM_PARTITION_CRYPTO                  ON
+# -- TFM_PARTITION_FIRMWARE_UPDATE         OFF
+# -- -----------------------------------------
+
+function(dump_options title options)
+
+    if (CONFIG_TFM_PARTITION_QUIET)
+        return()
+    endif()
+
+    format_string(header "-------- ${title} " 50 "-")
+    message(STATUS )
+    message(STATUS "${header}")
+
+    foreach (option ${options})
+        string(STRIP ${option} option)
+        # avoid errors on empty strings to tolerate ';' at the end of list
+        if (option)
+            format_string(option_name ${option} 40 " ")
+            message(STATUS "${option_name} ${${option}}")
+        endif()
+    endforeach()
+
+    format_string(footer "-" 50 "-")
+    message(STATUS "${footer}")
+endfunction()
+