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comparison local.cmake @ 0:a55e39064a71

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First commit of code that compiles. Does nothing like it should but has cmake goo to wrap dat files
author Daniel O'Connor <darius@dons.net.au>
date Mon, 29 Mar 2021 13:48:34 +1030
parents
children b9ec45077bff
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-1:000000000000 0:a55e39064a71
1 function(bin2elf TARGET BINFILE)
2 cmake_parse_arguments(bin2elf "" "OUTPUT_DIR" "" ${ARGN})
3 set(FILENAME "${CMAKE_SOURCE_DIR}/${BINFILE}")
4 set(ELFNAME "${CMAKE_CURRENT_BINARY_DIR}/${BINFILE}.o")
5 #message("FILENAME ${FILENAME} ELFNAME ${ELFNAME}")
6
7 # Not sure why but we can't depend directly, have to create this intermediary
8 # Copied idea from pico_generate_pio_header
9 get_filename_component(BIN_GEN_TARGET ${BINFILE} NAME_WE)
10 set(BIN_GEN_TARGET "${TARGET}_${BIN_GEN_TARGET}")
11 add_custom_target(${BIN_GEN_TARGET} DEPENDS ${ELFNAME})
12
13 # Create symbol name for bin file
14 string(MAKE_C_IDENTIFIER ${BINFILE} BIN_SYMNAME)
15 #message("BINFILE ${BINFILE} BIN_SYMNAME ${BIN_SYMNAME}")
16
17 # Get directory name of source file
18 # ld will name the symbol based on the full path so we have to mangle it
19 get_filename_component(BIN_SRC_DIR ${FILENAME} DIRECTORY)
20 string(REPLACE "/" "_" SRC_DIRNAME_MANGLED ${BIN_SRC_DIR})
21 #message("SRC_DIRNAME_MANGLED ${SRC_DIRNAME_MANGLED}")
22
23 add_custom_command(OUTPUT ${ELFNAME}
24 COMMAND arm-none-eabi-ld -r -b binary -o ${ELFNAME}
25 --defsym=${BIN_SYMNAME}_start=_binary_${SRC_DIRNAME_MANGLED}_${BIN_SYMNAME}_start
26 --defsym=${BIN_SYMNAME}_size=_binary_${SRC_DIRNAME_MANGLED}_${BIN_SYMNAME}_size
27 ${FILENAME}
28 DEPENDS ${FILENAME})
29 add_dependencies(${TARGET} ${BIN_GEN_TARGET})
30
31 # Add object file to list of things to be linked
32 target_link_libraries(${TARGET} ${CMAKE_CURRENT_BINARY_DIR}/${ELFNAME})
33 endfunction()