mirror of
https://github.com/genodelabs/genode.git
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62 lines
3.0 KiB
PHP
62 lines
3.0 KiB
PHP
SEL4_DIR := $(call select_from_ports,sel4)/src/kernel/sel4
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TOOLS_DIR := $(call select_from_ports,sel4_tools)/src/tool/sel4_tools
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#
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# Execute the kernel build only at the second build stage when we know
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# about the complete build settings (e.g., the 'CROSS_DEV_PREFIX') and the
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# current working directory is the library location.
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#
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ifeq ($(called_from_lib_mk),yes)
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all: build_kernel
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else
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all:
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endif
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ifeq ($(CCACHE),yes)
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SEL4_CCACHE=ccache
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else
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SEL4_CCACHE=
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endif
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configured_kernel:
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$(VERBOSE) cmake -DCROSS_COMPILER_PREFIX=$(CROSS_DEV_PREFIX) \
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-DCMAKE_TOOLCHAIN_FILE=$(SEL4_DIR)/gcc.cmake \
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-DKernelARMPlatform=sabre \
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-G Ninja \
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-C $(SEL4_DIR)/configs/ARM_verified.cmake \
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$(SEL4_DIR) \
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&& echo -e "\n#define CONFIG_PRINTING 1" >>gen_config/kernel/gen_config.h \
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&& echo -e "#define CONFIG_DEBUG_BUILD 1" >>gen_config/kernel/gen_config.h \
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&& echo -e "#define CONFIG_ENABLE_BENCHMARKS 1" >>gen_config/kernel/gen_config.h \
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&& echo -e "#define CONFIG_BENCHMARK_TRACK_UTILISATION 1" >>gen_config/kernel/gen_config.h \
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&& echo -e "#define CONFIG_SET_TLS_BASE_SELF 1" >>gen_config/kernel/gen_config.h \
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&& echo -e "#define CONFIG_HAVE_FPU 1" >>gen_config/kernel/gen_config.h \
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&& echo -e "#define CONFIG_AARCH32_FPU_ENABLE_CONTEXT_SWITCH 1" >>gen_config/kernel/gen_config.h \
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&& echo -e "#define CONFIG_FPU_MAX_RESTORES_SINCE_SWITCH 64" >>gen_config/kernel/gen_config.h \
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\
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&& sed -e "s/CONFIG_NUM_DOMAINS 16/CONFIG_NUM_DOMAINS 1/" \
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-e "s/CONFIG_ROOT_CNODE_SIZE_BITS 12/CONFIG_ROOT_CNODE_SIZE_BITS 15/" \
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gen_config/kernel/gen_config.h >gen_config/kernel/gen_config.tmp \
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&& mv gen_config/kernel/gen_config.tmp gen_config/kernel/gen_config.h \
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&& touch configured_kernel
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elfloader/elfloader.o: configured_kernel
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$(VERBOSE)cp -r $(TOOLS_DIR)/elfloader-tool $(LIB_CACHE_DIR)/$(LIB)/elfloader
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$(VERBOSE)mkdir -p $(LIB_CACHE_DIR)/$(LIB)/elfloader/tools/kbuild
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$(VERBOSE)mkdir -p $(LIB_CACHE_DIR)/$(LIB)/elfloader/include/generated
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$(VERBOSE)ln -s $(TOOLS_DIR)/common-tool/common.mk $(LIB_CACHE_DIR)/$(LIB)/elfloader/
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$(VERBOSE)ln -s $(TOOLS_DIR)/common-tool/files_to_obj.sh $(LIB_CACHE_DIR)/$(LIB)/elfloader/
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$(VERBOSE)ln -s $(TOOLS_DIR)/kbuild-tool/Kbuild.include $(LIB_CACHE_DIR)/$(LIB)/elfloader/tools/kbuild/
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$(VERBOSE)ln -s $(LIB_CACHE_DIR)/$(LIB)/gen_config/kernel/gen_config.h $(LIB_CACHE_DIR)/$(LIB)/elfloader/include/generated/autoconf.h
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$(VERBOSE)$(MAKE) -C $(LIB_CACHE_DIR)/$(LIB)/elfloader \
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TOOLPREFIX=$(CROSS_DEV_PREFIX) \
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ARCH=arm PLAT=$(PLAT) ARMV=armv7-a __ARM_32__="y" \
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CPU=$(CPU) ASFLAGS="-march=armv7-a" \
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CFLAGS="-march=armv7-a -D__KERNEL_32__ -fno-builtin" \
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SEL4_COMMON=. CCACHE=$(SEL4_CCACHE) SOURCE_DIR=. STAGE_DIR=. \
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srctree=.
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build_kernel: elfloader/elfloader.o
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$(VERBOSE) ninja kernel.elf && \
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$(CUSTOM_STRIP) -o kernel.elf.strip kernel.elf
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