cmake: add two new targets for SDP

Add two new targets regarding ASM code for SDP: asm_check
that checks if ASM file has changed, and asm_update that
updates ASM files in source directory with the new generated.

Signed-off-by: Magdalena Pastula <[email protected]>

Author: magp-nordic

cmake/sdp.cmake

@@ -49,3 +49,41 @@ function(sdp_assembly_generate hrt_srcs)
   add_dependencies(asm_gen syscall_list_h_target)
 
 endfunction()
+
+function(sdp_assembly_check hrt_srcs)
+  set(asm_check_msg "Checking if ASM files for Hard Real Time have changed.")
+
+  if(TARGET asm_check)
+    message(FATAL_ERROR "sdp_assembly_check() already called, please note that
+      sdp_assembly_check() must be called only once with a list of all source files."
+    )
+  endif()
+
+  string(REPLACE ";" "$<SEMICOLON>" hrt_srcs_semi "${hrt_srcs}")
+
+  add_custom_target(asm_check
+    COMMAND ${CMAKE_COMMAND} -D hrt_srcs="${hrt_srcs_semi}" -P ${ZEPHYR_NRF_MODULE_DIR}/cmake/sdp_asm_check.cmake
+    COMMENT ${asm_check_msg}
+  )
+
+  add_dependencies(asm_check asm_gen)
+
+endfunction()
+
+function(sdp_assembly_prepare_install hrt_srcs)
+  set(asm_install_msg "Updating ASM files for Hard Real Time.")
+
+  if(TARGET asm_install)
+    message(FATAL_ERROR "sdp_assembly_prepare_install() already called, please note that
+      sdp_assembly_prepare_install() must be called only once with a list of all source files."
+    )
+  endif()
+
+  string(REPLACE ";" "$<SEMICOLON>" hrt_srcs_semi "${hrt_srcs}")
+
+  add_custom_target(asm_install
+    COMMAND ${CMAKE_COMMAND} -D hrt_srcs="${hrt_srcs_semi}" -P ${ZEPHYR_NRF_MODULE_DIR}/cmake/sdp_asm_install.cmake
+    COMMENT ${asm_install_msg}
+  )
+
+endfunction()

cmake/sdp_asm_check.cmake

@@ -0,0 +1,30 @@
+#
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+function(asm_check)
+
+  foreach(hrt_src ${hrt_srcs})
+    get_filename_component(asm_filename ${hrt_src} NAME_WE)  # filename without extension
+    get_filename_component(src_dir ${hrt_src} DIRECTORY)
+
+    execute_process(COMMAND ${CMAKE_COMMAND} -E compare_files --ignore-eol
+                    ${src_dir}/${asm_filename}.s ${asm_filename}-temp.s
+                    RESULT_VARIABLE compare_result)
+
+    if( compare_result EQUAL 0)
+      message("File ${asm_filename}.s has not changed.")
+    elseif( compare_result EQUAL 1)
+      message(WARNING "${asm_filename}.s ASM file content has changed.\
+              If you want to include the new ASM in build, \
+              please run `ninja asm_install` in FLPR build directory and build again")
+    else()
+      message("Something went wrong when comparing ${asm_filename}.s and ${asm_filename}-temp.s")
+    endif()
+  endforeach()
+
+endfunction(asm_check)
+
+asm_check()

cmake/sdp_asm_install.cmake

@@ -0,0 +1,25 @@
+#
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+function(asm_install)
+
+  foreach(hrt_src ${hrt_srcs})
+    get_filename_component(asm_filename ${hrt_src} NAME_WE)  # filename without extension
+    get_filename_component(src_dir ${hrt_src} DIRECTORY)
+
+    file(RENAME ${asm_filename}-temp.s ${src_dir}/${asm_filename}.s RESULT rename_result)
+
+    if (rename_result EQUAL 0)
+        message("Updated ${asm_filename}.s ASM file.")
+    else()
+        message(WARNING "${asm_filename}.s cannot be updated, new ASM does not exist. Please run ninja asm_gen to create one.")
+    endif()
+
+  endforeach()
+
+endfunction(asm_install)
+
+asm_install()