150 lines
5.7 KiB
CMake
150 lines
5.7 KiB
CMake
# Intel CAVS SoC family CMake file
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#
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# Copyright (c) 2020-2022 Intel Corporation
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# SPDX-License-Identifier: Apache-2.0
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zephyr_interface_library_named(INTEL_ADSP_COMMON)
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zephyr_library_named(intel_adsp_common)
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zephyr_include_directories(include)
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zephyr_library_include_directories(${ZEPHYR_BASE}/drivers)
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zephyr_library_sources_ifdef(CONFIG_INTEL_ADSP_IPC ipc.c)
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zephyr_library_sources(
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rimage_modules.c
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boot.c
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soc.c
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mem_window.c
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boot_complete.c
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)
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zephyr_library_sources_ifdef(CONFIG_ADSP_CLOCK clk.c)
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if(CONFIG_SMP OR CONFIG_MP_MAX_NUM_CPUS GREATER 1)
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zephyr_library_sources(multiprocessing.c)
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endif()
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zephyr_library_link_libraries(INTEL_ADSP_COMMON)
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target_include_directories(INTEL_ADSP_COMMON INTERFACE include)
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target_link_libraries(INTEL_ADSP_COMMON INTERFACE intel_adsp_common)
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set(KERNEL_REMAPPED ${CMAKE_BINARY_DIR}/zephyr/${KERNEL_NAME}-remapped.elf)
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set(EXTMAN ${CMAKE_BINARY_DIR}/zephyr/extman.bin)
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if(${CMAKE_HOST_WIN32})
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set(NULL_FILE nul)
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elseif(${CMAKE_HOST_UNIX})
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set(NULL_FILE /dev/null)
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endif()
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# Generate rimage modules from the base kernel ELF file. Note the
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# warning squashing on the objcopy steps. Binutils has a misfeature
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# where if the copy removes all the sections from an input ELF program
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# header (our link generates lots of phdrs because of the disjoint
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# cacheability addresses), it will warn about an "empty" segment even
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# though it was TOLD to drop the contents!
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#
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# Also note that rimage is picky with section flags: it will try to
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# include a section in the output data (even its own metadata in
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# .module!) if it has any of ALLOC, WRITABLE or EXEC flags in the ELF
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# file. The GNU linker will set these automatically based on the
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# flags of the sections coming out of C code, so this is fragile and
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# breaks easily. Set noload flags explicitly here.
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add_custom_target(
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gen_modules ALL
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DEPENDS ${CMAKE_BINARY_DIR}/zephyr/boot.mod ${CMAKE_BINARY_DIR}/zephyr/main.mod
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)
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add_custom_command(
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OUTPUT ${CMAKE_BINARY_DIR}/zephyr/boot.mod ${CMAKE_BINARY_DIR}/zephyr/main.mod
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COMMENT "Extracting .mod(ule) files for rimage"
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DEPENDS ${ZEPHYR_FINAL_EXECUTABLE} ${ZEPHYR_BINARY_DIR}/${KERNEL_ELF_NAME}
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# The .fw_metadata section may not be present (xcc's older linker
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# will remove it if empty). Extract it here (which will create an
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# empty file if not present) and add it back when we generate the
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# main.mod file below.
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COMMAND ${CMAKE_OBJCOPY} -O binary --only-section=.fw_metadata
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${CMAKE_BINARY_DIR}/zephyr/${KERNEL_NAME}.elf ${EXTMAN}
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# Remap uncached section addresses so they appear contiguous
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COMMAND ${CMAKE_COMMAND} -E
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copy ${CMAKE_BINARY_DIR}/zephyr/${KERNEL_NAME}.elf ${KERNEL_REMAPPED}
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# Extract modules for rimage
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COMMAND ${CMAKE_OBJCOPY}
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--only-section .imr
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--only-section .imrdata
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--only-section .module.boot
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--set-section-flags .module.boot=noload,readonly
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--rename-section .module.boot=.module
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${KERNEL_REMAPPED} ${CMAKE_BINARY_DIR}/zephyr/boot.mod 2>${NULL_FILE}
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# Remove .fw_metadata here...
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COMMAND ${CMAKE_OBJCOPY}
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--remove-section .imr
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--remove-section .imrdata
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--remove-section .module.boot
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--remove-section .fw_metadata
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--set-section-flags .module.main=noload,readonly
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--set-section-flags .static_uuid_entries=noload,readonly
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--set-section-flags .static_log_entries=noload,readonly
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--rename-section .module.main=.module
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${KERNEL_REMAPPED} ${CMAKE_BINARY_DIR}/zephyr/main.mod 2>${NULL_FILE}
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# ...and copy it back in
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COMMAND ${CMAKE_OBJCOPY}
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--add-section .fw_metadata=${EXTMAN}
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--set-section-flags .fw_metadata=noload,readonly
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${CMAKE_BINARY_DIR}/zephyr/main.mod
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${CMAKE_BINARY_DIR}/zephyr/main.mod 2>${NULL_FILE}
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)
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if(CONFIG_BUILD_OUTPUT_STRIPPED)
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add_custom_command(
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COMMENT "strip main.mod"
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APPEND OUTPUT ${CMAKE_BINARY_DIR}/zephyr/main.mod
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COMMAND $<TARGET_PROPERTY:bintools,strip_command>
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$<TARGET_PROPERTY:bintools,strip_flag>
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$<TARGET_PROPERTY:bintools,strip_flag_all>
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$<TARGET_PROPERTY:bintools,strip_flag_infile>${CMAKE_BINARY_DIR}/zephyr/main.mod
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$<TARGET_PROPERTY:bintools,strip_flag_outfile>${CMAKE_BINARY_DIR}/zephyr/main-stripped.mod
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$<TARGET_PROPERTY:bintools,strip_flag_final>
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)
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endif()
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# west sign
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add_custom_target(zephyr.ri ALL
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DEPENDS ${CMAKE_BINARY_DIR}/zephyr/zephyr.ri
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)
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# If some of your board(s) need to override default rimage parameters
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# then you can define WEST_SIGN_OPTS in boards/my/board/board.cmake.
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# Example:
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#
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# set(WEST_SIGN_OPTS -- -c "/home/sweet home/rimage/config/abc.toml" -i 4)
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# Parameters after the double dash -- are passed through to rimage. For
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# other ways to override default rimage parameters check
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# boards/xtensa/intel_adsp_cavs25/doc/intel_adsp_generic.rst
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# Warning: because `west sign` can also be used interactively, using
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# ${WEST_SIGN_OPTS} like this has _higher_ precedence than `west config
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# rimage.extra-args`! Avoid overriding default rimage parameters in
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# multiple places to avoid unexpected precedence rules.
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add_custom_command(
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OUTPUT ${CMAKE_BINARY_DIR}/zephyr/zephyr.ri
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COMMENT "west sign --if-tool-available --tool rimage ..."
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# Use --if-tool-available so we don't force every CI to install
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# rimage. We don't want to break build-only and other tests that don't
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# require signing. When rimage is missing, `west flash` fails with a
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# clear "zephyr.ri missing" error with an "rimage not found" warning
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# from west sign immediately before it.
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COMMAND west sign --if-tool-available --tool rimage --build-dir ${CMAKE_BINARY_DIR} ${WEST_SIGN_OPTS}
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DEPENDS gen_modules
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${CMAKE_BINARY_DIR}/zephyr/boot.mod ${CMAKE_BINARY_DIR}/zephyr/main.mod
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)
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