bb2336ad73
This removes the atomic rename for bbasm outputs because it embeds the resulting paths into the `.cc` files in embed mode. In any case the write should be fast enough to not be a big risk for interrupted builds. This was tested with Clang 19 only (gcc hasn't had a release that supports `#embed` yet).
162 lines
4.1 KiB
CMake
162 lines
4.1 KiB
CMake
include(TestBigEndian)
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test_big_endian(IS_BIG_ENDIAN)
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if (IS_BIG_ENDIAN)
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set(BBASM_ENDIAN_FLAG "--be")
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else()
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set(BBASM_ENDIAN_FLAG "--le")
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endif()
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# Example usage (note the `.new`, used for atomic updates):
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#
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# add_bba_produce_command(
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# COMMAND ${Python_EXECUTABLE}
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# ${CMAKE_CURRENT_SOURCE_DIR}/chipdb.py
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# -o ${CMAKE_CURRENT_BINARY_DIR}/chipdb-hx8k.bba.new
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# OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/chipdb-hx8k.bba
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# INPUTS ${CMAKE_CURRENT_SOURCE_DIR}/chipdb.py
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# )
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#
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# Paths must be absolute.
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#
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function(add_bba_produce_command)
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cmake_parse_arguments(arg "" "OUTPUT" "COMMAND;INPUTS" ${ARGN})
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cmake_path(GET arg_OUTPUT PARENT_PATH arg_OUTPUT_DIR)
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file(MAKE_DIRECTORY ${arg_OUTPUT_DIR})
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list(GET arg_COMMAND 0 arg_EXECUTABLE)
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add_custom_command(
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OUTPUT
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${arg_OUTPUT}
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COMMAND
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${arg_COMMAND}
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COMMAND
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${CMAKE_COMMAND} -E rename # atomic update
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${arg_OUTPUT}.new
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${arg_OUTPUT}
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DEPENDS
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${arg_EXECUTABLE}
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${arg_INPUTS}
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$ENV{SERIALIZE_BBA_TARGET}
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VERBATIM
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)
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if (BBASM_SERIALIZE)
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# Have to insert a custom target in between two custom commands, else CMake will try to
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# depend on the previous (in serialization order) command directly, which will fail if
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# they're in different directories. Unfortunately this makes the terminal output uglier.
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math(EXPR next_count "$ENV{SERIALIZE_BBA_COUNT} + 1")
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add_custom_target(--bbasm-serialize-${next_count} DEPENDS ${arg_OUTPUT})
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set(ENV{SERIALIZE_BBA_COUNT} ${next_count})
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set(ENV{SERIALIZE_BBA_TARGET} --bbasm-serialize-${next_count})
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endif()
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endfunction()
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# Example usage:
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#
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# add_bba_compile_command(
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# TARGET chipdb-ice40
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# OUTPUT ${CMAKE_BINARY_DIR}/chipdb/ice40/chipdb-1k.bin
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# INPUT ${CMAKE_CURRENT_BINARY_DIR}/chipdb-1k.bba
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# IDENT ice40/chipdb-1k.bba
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# MODE binary
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# )
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#
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# Paths must be absolute.
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#
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function(add_bba_compile_command)
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cmake_parse_arguments(arg "" "TARGET;OUTPUT;INPUT;IDENT;MODE" "" ${ARGN})
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cmake_path(GET arg_OUTPUT PARENT_PATH arg_OUTPUT_DIR)
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file(MAKE_DIRECTORY ${arg_OUTPUT_DIR})
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if (arg_MODE STREQUAL "binary" OR arg_MODE STREQUAL "resource")
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add_custom_command(
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OUTPUT
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${arg_OUTPUT}
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COMMAND
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bbasm ${BBASM_ENDIAN_FLAG}
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${arg_INPUT}
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${arg_OUTPUT}
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DEPENDS
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bbasm
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${arg_INPUT}
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VERBATIM
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)
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if (arg_MODE STREQUAL "resource")
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file(WRITE ${arg_OUTPUT}.rc
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"${arg_IDENT} RCDATA \"${arg_OUTPUT}\"")
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target_sources(
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${arg_TARGET} PRIVATE
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${arg_OUTPUT}.rc
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)
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else()
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target_sources(
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${arg_TARGET} PRIVATE
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${arg_OUTPUT}
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)
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endif()
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elseif (arg_MODE STREQUAL "embed")
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add_custom_command(
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OUTPUT
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${arg_OUTPUT}.cc
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${arg_OUTPUT}
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COMMAND
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bbasm ${BBASM_ENDIAN_FLAG} --e
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${arg_INPUT}
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${arg_OUTPUT}.cc
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${arg_OUTPUT}
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DEPENDS
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bbasm
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${arg_INPUT}
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VERBATIM
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)
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target_sources(
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${arg_TARGET} PRIVATE
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${arg_OUTPUT}.cc
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)
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elseif (arg_MODE STREQUAL "string")
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add_custom_command(
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OUTPUT
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${arg_OUTPUT}.cc
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COMMAND
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bbasm ${BBASM_ENDIAN_FLAG} --c
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${arg_INPUT}
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${arg_OUTPUT}.cc
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DEPENDS
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bbasm
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${arg_INPUT}
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VERBATIM
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)
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if (NOT MSVC)
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set_source_files_properties(
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${arg_OUTPUT}.cc PROPERTIES
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COMPILE_OPTIONS "-w;-g0;-O0"
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)
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endif()
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target_sources(
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${arg_TARGET} PRIVATE
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${arg_OUTPUT}.cc
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)
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endif()
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endfunction()
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