69 lines
2.2 KiB
PHP
69 lines
2.2 KiB
PHP
#
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# Create prerequisites for building Genode for OKL4
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#
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# Prior building Genode programs for OKL4, the kernel bindings needed are
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# symlinked to the build directory.
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#
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#
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# Execute the rules in this file only at the second build stage when we know
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# about the complete build settings, e.g., the 'CROSS_DEV_PREFIX'.
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#
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ifeq ($(called_from_lib_mk),yes)
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#
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# Make OKL4 kernel API headers available to the Genode build system
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#
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# We have to create a symbolic link of OKL's 'include/l4' directory into our
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# local build directory. If we just added the original 'iguana/include'
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# directory to the include-search locations, we would pollute the include
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# search space with all Iguana include files, not just the OKL4 API includes.
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#
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OKL4_L4_INCLUDES = arch.h cache.h caps.h config.h interrupt.h ipc.h kdebug.h \
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macros.h map.h memregion.h message.h misc.h mutex.h \
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pagefault.h procdesc.h profile.h schedule.h security.h \
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space.h thread.h time.h types.h utcb.h
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OKL4_INCLUDE_SYMLINKS += $(addprefix $(BUILD_BASE_DIR)/include/l4/,$(OKL4_L4_INCLUDES))
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OKL4_INCLUDE_SYMLINKS += $(addprefix $(BUILD_BASE_DIR)/include/,compat bootinfo)
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OKL4_INCLUDE_DIRS = $(sort $(dir $(OKL4_INCLUDE_SYMLINKS)))
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# make sure to create the 'include/l4' directory before the symbolic links
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all: $(OKL4_INCLUDE_SYMLINKS)
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$(OKL4_INCLUDE_SYMLINKS): $(filter-out $(wildcard $(OKL4_INCLUDE_DIRS)), $(OKL4_INCLUDE_DIRS))
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$(OKL4_INCLUDE_DIRS):
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$(VERBOSE)mkdir -p $@
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$(OKL4_DIR):
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$(VERBOSE)$(ECHO) "--> Please, execute './tool/ports/prepare_port okl4' in $(GENODE_DIR)"
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$(VERBOSE)$(ECHO) "--> before compiling Genode apps for OKL4."
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$(VERBOSE)exit 1
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$(OKL4_DIR)/%: $(filter-out $(wildcard $(OKL4_DIR)), $(OKL4_DIR))
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$(BUILD_BASE_DIR)/include/l4/%.h: $(OKL4_DIR)/libs/l4/include/%.h
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$(VERBOSE)ln -sf $< $@
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$(BUILD_BASE_DIR)/include/compat: $(OKL4_DIR)/libs/compat/include/compat
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$(VERBOSE)ln -sf $< $@
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$(BUILD_BASE_DIR)/include/bootinfo: $(OKL4_DIR)/libs/bootinfo/include
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$(VERBOSE)ln -sf $< $@
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endif
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#
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# Create symlink to elfweaver so that the run tool can use it from within the
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# build directory.
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#
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HOST_TOOLS += $(BUILD_BASE_DIR)/tool/okl4/elfweaver
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$(BUILD_BASE_DIR)/tool/okl4/elfweaver:
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mkdir -p $(dir $@)
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ln -sf $(OKL4_DIR)/tools/pyelf/elfweaver $@
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