35 lines
1.1 KiB
CMake
35 lines
1.1 KiB
CMake
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if (CONFIG_NODEMCU_EMBED_LFS)
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# Handle hex size in a shell agnostic manner
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math(EXPR lfs_size ${CONFIG_NODEMCU_EMBEDDED_LFS_SIZE})
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# The luac.out gets written by tools/embed_lfs.sh, but we need a non-empty
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# file for the first build pass
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add_custom_command(
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OUTPUT ${BUILD_DIR}/luac.out
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COMMAND [ -s "${BUILD_DIR}/luac.out" ] || echo "" > "${BUILD_DIR}/luac.out"
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VERBATIM
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)
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add_custom_target(luac_out DEPENDS ${BUILD_DIR}/luac.out)
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# We use the automatic file name to symbol generation here, to create the
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# expected symbol lua_flash_store_reserved
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add_custom_command(
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OUTPUT ${BUILD_DIR}/lua.flash.store.reserved
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COMMAND truncate --size=${lfs_size} ${BUILD_DIR}/lua.flash.store.reserved && dd if=${BUILD_DIR}/luac.out of=${BUILD_DIR}/lua.flash.store.reserved conv=notrunc status=none
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DEPENDS luac_out
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VERBATIM
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)
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add_custom_target(reserved_lfs DEPENDS ${BUILD_DIR}/lua.flash.store.reserved)
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idf_component_register(
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EMBED_FILES ${BUILD_DIR}/lua.flash.store.reserved
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LDFRAGMENTS "embedded_lfs.lf"
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)
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add_dependencies(${COMPONENT_LIB} reserved_lfs)
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else()
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idf_component_register()
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endif()
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