Kconfig.tfm: Add TFM_CMAKE_BUILD_TYPE config

Controlling the build type of the TFM build system.

Signed-off-by: Øyvind Rønningstad <oyvind.ronningstad@nordicsemi.no>

Author: oyvindronningstad

modules/trusted-firmware-m/CMakeLists.txt

@@ -198,6 +198,15 @@ if (CONFIG_BUILD_WITH_TFM)
   if (CONFIG_TFM_PROFILE)
     set(TFM_PROFILE_ARG BUILD_PROFILE ${CONFIG_TFM_PROFILE})
   endif()
+  if (CONFIG_TFM_CMAKE_BUILD_TYPE_RELEASE)
+    set(TFM_CMAKE_BUILD_TYPE "Release")
+  elseif (CONFIG_TFM_CMAKE_BUILD_TYPE_MINSIZEREL)
+    set(TFM_CMAKE_BUILD_TYPE "MinSizeRel")
+  elseif (CONFIG_TFM_CMAKE_BUILD_TYPE_DEBUG)
+    set(TFM_CMAKE_BUILD_TYPE "Debug")
+  elseif (CONFIG_TFM_CMAKE_BUILD_TYPE_RELWITHDEBINFO)
+    set(TFM_CMAKE_BUILD_TYPE "RelWithDebInfo")
+  endif()
 
   trusted_firmware_build(
     BINARY_DIR ${CMAKE_BINARY_DIR}/tfm
@@ -207,6 +216,7 @@ if (CONFIG_BUILD_WITH_TFM)
     ${TFM_BL2_ARG}
     ${TFM_IPC_ARG}
     ${TFM_REGRESSION_ARG}
+    CMAKE_BUILD_TYPE ${TFM_CMAKE_BUILD_TYPE}
   )
 
   zephyr_link_libraries(tfm_api)

modules/trusted-firmware-m/Kconfig

@@ -69,6 +69,27 @@ config TFM_PROFILE
 	  profile_medium and profile_small. The default profile does not need
 	  to have this configuration set.
 
+choice TFM_CMAKE_BUILD_TYPE
+	prompt "The build type for TFM"
+	default TFM_CMAKE_BUILD_TYPE_RELEASE if SPEED_OPTIMIZATIONS && BUILD_OUTPUT_STRIPPED
+	default TFM_CMAKE_BUILD_TYPE_MINSIZEREL if SIZE_OPTIMIZATIONS
+	default TFM_CMAKE_BUILD_TYPE_DEBUG if DEBUG_OPTIMIZATIONS
+	default TFM_CMAKE_BUILD_TYPE_RELWITHDEBINFO
+
+config TFM_CMAKE_BUILD_TYPE_RELEASE
+	bool "Release build"
+
+config TFM_CMAKE_BUILD_TYPE_RELWITHDEBINFO
+	bool "Release build with Debug info"
+
+config TFM_CMAKE_BUILD_TYPE_MINSIZEREL
+	bool "Release build, optimized for size"
+
+config TFM_CMAKE_BUILD_TYPE_DEBUG
+	bool "Debug build"
+
+endchoice
+
 config TFM_ISOLATION_LEVEL
 	int "Isolation level setting."
 	range 1 3