205 lines
6.0 KiB
CMake
205 lines
6.0 KiB
CMake
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# Find out if we are optimizing for size
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get_target_property(zephyr_COMPILE_OPTIONS zephyr_interface INTERFACE_COMPILE_OPTIONS)
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if ("-Os" IN_LIST zephyr_COMPILE_OPTIONS)
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zephyr_cc_option(-mpreferred-stack-boundary=2)
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else()
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zephyr_compile_definitions(PERF_OPT)
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endif()
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if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
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if(CONFIG_X86_IAMCU)
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zephyr_compile_options(-miamcu)
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else()
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zephyr_compile_options(-Qunused-arguments)
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endif()
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zephyr_cc_option(
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-m32
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-gdwarf-2
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)
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endif()
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zephyr_cc_option_ifdef (CONFIG_LTO -flto)
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zephyr_cc_option_ifndef(CONFIG_SSE_FP_MATH -mno-sse)
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set_property(GLOBAL PROPERTY E_KERNEL_ENTRY -e${CONFIG_KERNEL_ENTRY})
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if(CMAKE_VERBOSE_MAKEFILE)
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set(GENIDT_EXTRA_ARGS --verbose)
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else()
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set(GENIDT_EXTRA_ARGS "")
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endif()
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set(GENIDT ${ZEPHYR_BASE}/scripts/gen_idt.py)
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define_property(GLOBAL PROPERTY PROPERTY_OUTPUT_ARCH BRIEF_DOCS " " FULL_DOCS " ")
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set_property(GLOBAL PROPERTY PROPERTY_OUTPUT_ARCH "i386")
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set_property(GLOBAL PROPERTY PROPERTY_OUTPUT_FORMAT "elf32-i386")
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# Use gen_idt.py and objcopy to generate irq_int_vector_map.o and
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# staticIdt.o from the elf file zephyr_prebuilt
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set(gen_idt_output_files
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${CMAKE_CURRENT_BINARY_DIR}/irq_int_vector_map.bin
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${CMAKE_CURRENT_BINARY_DIR}/staticIdt.bin
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)
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add_custom_target(
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gen_idt_output
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DEPENDS
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${gen_idt_output_files}
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)
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add_custom_command(
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OUTPUT irq_int_vector_map.bin staticIdt.bin
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COMMAND
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${PYTHON_EXECUTABLE}
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${GENIDT}
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--kernel $<TARGET_FILE:zephyr_prebuilt>
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--output-idt staticIdt.bin
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--vector-map irq_int_vector_map.bin
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${GENIDT_EXTRA_ARGS}
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DEPENDS zephyr_prebuilt
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WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
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)
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add_subdirectory(soc/${SOC_PATH})
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# Must be last so that soc/ can override default exception handlers
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add_subdirectory(core)
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get_property(OUTPUT_ARCH GLOBAL PROPERTY PROPERTY_OUTPUT_ARCH)
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get_property(OUTPUT_FORMAT GLOBAL PROPERTY PROPERTY_OUTPUT_FORMAT)
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add_custom_command(
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OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/irq_int_vector_map.o
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COMMAND
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${CMAKE_OBJCOPY}
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-I binary
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-B ${OUTPUT_ARCH}
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-O ${OUTPUT_FORMAT}
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--rename-section .data=irq_int_vector_map
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irq_int_vector_map.bin
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irq_int_vector_map.o
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DEPENDS gen_idt_output irq_int_vector_map.bin
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WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
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)
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add_custom_command(
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OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/staticIdt.o
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COMMAND
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${CMAKE_OBJCOPY}
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-I binary
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-B ${OUTPUT_ARCH}
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-O ${OUTPUT_FORMAT}
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--rename-section .data=staticIdt
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staticIdt.bin
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staticIdt.o
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DEPENDS gen_idt_output staticIdt.bin
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WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
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)
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add_custom_target(irq_int_vector_map_o DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/irq_int_vector_map.o)
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add_custom_target(staticIdt_o DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/staticIdt.o)
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add_library(irq_int_vector_map STATIC IMPORTED GLOBAL)
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add_library(staticIdt STATIC IMPORTED GLOBAL)
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set_property(TARGET irq_int_vector_map PROPERTY IMPORTED_LOCATION ${CMAKE_CURRENT_BINARY_DIR}/irq_int_vector_map.o)
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set_property(TARGET staticIdt PROPERTY IMPORTED_LOCATION ${CMAKE_CURRENT_BINARY_DIR}/staticIdt.o)
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add_dependencies(irq_int_vector_map irq_int_vector_map_o)
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add_dependencies(staticIdt staticIdt_o)
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set_property(GLOBAL APPEND PROPERTY GENERATED_KERNEL_OBJECT_FILES irq_int_vector_map)
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set_property(GLOBAL APPEND PROPERTY GENERATED_KERNEL_OBJECT_FILES staticIdt)
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if(CONFIG_X86_MMU)
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# Use gen_mmu.py and objcopy to generate mmu_tables.o from from the
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# elf file zephyr_prebuilt, creating the temp files mmu_tables.bin
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# and mmulist.bin along the way.
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#
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# zephyr_prebuilt.elf -> mmulist.bin -> mmu_tables.bin -> mmu_tables.o
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add_custom_command(
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OUTPUT mmulist.bin
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COMMAND
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${CMAKE_OBJCOPY}
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-I ${OUTPUT_FORMAT}
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-O binary
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-j mmulist
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$<TARGET_FILE:zephyr_prebuilt>
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mmulist.bin
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DEPENDS zephyr_prebuilt
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WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
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)
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add_custom_command(
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OUTPUT mmu_tables.bin
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COMMAND
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${PYTHON_EXECUTABLE}
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${ZEPHYR_BASE}/scripts/gen_mmu_x86.py
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-i mmulist.bin
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-k $<TARGET_FILE:zephyr_prebuilt>
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-o mmu_tables.bin
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$<$<BOOL:${CMAKE_VERBOSE_MAKEFILE}>:-v>
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WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
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DEPENDS mmulist.bin
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DEPENDS zephyr_prebuilt
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)
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add_custom_command(
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OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/mmu_tables.o
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COMMAND
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${CMAKE_OBJCOPY}
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-I binary
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-B ${OUTPUT_ARCH}
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-O ${OUTPUT_FORMAT}
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--rename-section .data=.mmu_data
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mmu_tables.bin
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mmu_tables.o
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WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
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DEPENDS mmu_tables.bin
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)
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add_custom_target( mmu_tables_o DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/mmu_tables.o)
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add_library( mmu_tables STATIC IMPORTED GLOBAL)
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set_property(TARGET mmu_tables PROPERTY IMPORTED_LOCATION ${CMAKE_CURRENT_BINARY_DIR}/mmu_tables.o)
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add_dependencies( mmu_tables mmu_tables_o)
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set_property(GLOBAL APPEND PROPERTY GENERATED_KERNEL_OBJECT_FILES mmu_tables)
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endif()
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if(CONFIG_GDT_DYNAMIC)
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# Use gen_gdt.py and objcopy to generate gdt.o from from the elf
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# file zephyr_prebuilt, creating the temp file gdt.bin along the
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# way.
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#
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# zephyr_prebuilt.elf -> gdt.bin -> gdt.o
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add_custom_command(
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OUTPUT gdt.bin
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COMMAND
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${PYTHON_EXECUTABLE}
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${ZEPHYR_BASE}/scripts/gen_gdt.py
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--kernel $<TARGET_FILE:zephyr_prebuilt>
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--output-gdt gdt.bin
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$<$<BOOL:${CMAKE_VERBOSE_MAKEFILE}>:--verbose>
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DEPENDS zephyr_prebuilt
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WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
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)
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add_custom_command(
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OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/gdt.o
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COMMAND
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${CMAKE_OBJCOPY}
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-I binary
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-B ${OUTPUT_ARCH}
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-O ${OUTPUT_FORMAT}
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--rename-section .data=gdt_ram_data
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gdt.bin
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gdt.o
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WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
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DEPENDS gdt.bin
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)
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add_custom_target( gdt_o DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/gdt.o)
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add_library( gdt STATIC IMPORTED GLOBAL)
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set_property(TARGET gdt PROPERTY IMPORTED_LOCATION ${CMAKE_CURRENT_BINARY_DIR}/gdt.o)
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add_dependencies( gdt gdt_o)
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set_property(GLOBAL APPEND PROPERTY GENERATED_KERNEL_OBJECT_FILES gdt)
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endif()
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