mirror of
https://github.com/xen-project/xen.git
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Keir Fraser
cea7a6cd7b
- Avoid nested function to avoid a trampoline. - Do not link mini-os_app.o when it is empty. Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
138 lines
3.4 KiB
Makefile
138 lines
3.4 KiB
Makefile
# Common Makefile for mini-os.
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#
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# Every architecture directory below mini-os/arch has to have a
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# Makefile and a arch.mk.
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#
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export XEN_ROOT = ../..
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include $(XEN_ROOT)/Config.mk
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OBJ_DIR ?= $(CURDIR)
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ifneq ($(stubdom),y)
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include Config.mk
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endif
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# Include common mini-os makerules.
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include minios.mk
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# Set tester flags
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# CFLAGS += -DBLKTEST_WRITE
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# Define some default flags for linking.
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LDLIBS :=
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APP_LDLIBS :=
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LDARCHLIB := -L$(OBJ_DIR)/$(TARGET_ARCH_DIR) -l$(ARCH_LIB_NAME)
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LDFLAGS_FINAL := -T $(TARGET_ARCH_DIR)/minios-$(XEN_TARGET_ARCH).lds
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# Prefix for global API names. All other symbols are localised before
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# linking with EXTRA_OBJS.
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GLOBAL_PREFIX := xenos_
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EXTRA_OBJS =
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TARGET := mini-os
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# Subdirectories common to mini-os
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SUBDIRS := lib xenbus console
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# The common mini-os objects to build.
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APP_OBJS :=
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OBJS := $(patsubst %.c,$(OBJ_DIR)/%.o,$(wildcard *.c))
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OBJS += $(patsubst %.c,$(OBJ_DIR)/%.o,$(wildcard lib/*.c))
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OBJS += $(patsubst %.c,$(OBJ_DIR)/%.o,$(wildcard xenbus/*.c))
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OBJS += $(patsubst %.c,$(OBJ_DIR)/%.o,$(wildcard console/*.c))
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.PHONY: default
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default: $(OBJ_DIR)/$(TARGET)
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# Create special architecture specific links. The function arch_links
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# has to be defined in arch.mk (see include above).
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ifneq ($(ARCH_LINKS),)
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$(ARCH_LINKS):
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$(arch_links)
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endif
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.PHONY: links
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links: $(ARCH_LINKS)
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[ -e include/xen ] || ln -sf ../../../xen/include/public include/xen
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[ -e include/mini-os ] || ln -sf . include/mini-os
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[ -e include/$(TARGET_ARCH_FAM)/mini-os ] || ln -sf . include/$(TARGET_ARCH_FAM)/mini-os
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.PHONY: arch_lib
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arch_lib:
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$(MAKE) --directory=$(TARGET_ARCH_DIR) OBJ_DIR=$(OBJ_DIR)/$(TARGET_ARCH_DIR) || exit 1;
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ifeq ($(lwip),y)
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# lwIP library
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LWC := $(shell find $(LWIPDIR)/ -type f -name '*.c')
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LWC := $(filter-out %6.c %ip6_addr.c %ethernetif.c, $(LWC))
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LWO := $(patsubst %.c,%.o,$(LWC))
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LWO += $(addprefix $(OBJ_DIR)/,lwip-arch.o lwip-net.o)
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$(OBJ_DIR)/lwip.a: $(LWO)
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$(RM) $@
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$(AR) cqs $@ $^
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OBJS += $(OBJ_DIR)/lwip.a
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endif
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OBJS := $(filter-out $(OBJ_DIR)/lwip%.o $(LWO), $(OBJS))
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ifeq ($(libc),y)
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APP_LDLIBS += -L$(XEN_ROOT)/stubdom/libxc-$(XEN_TARGET_ARCH) -whole-archive -lxenguest -lxenctrl -no-whole-archive
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APP_LDLIBS += -lpci
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APP_LDLIBS += -lz
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APP_LDLIBS += -lm
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LDLIBS += -lc
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endif
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ifneq ($(APP_OBJS)-$(lwip),-y)
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OBJS := $(filter-out $(OBJ_DIR)/daytime.o, $(OBJS))
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endif
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$(OBJ_DIR)/$(TARGET)_app.o: $(APP_OBJS) app.lds
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$(LD) -r -d $(LDFLAGS) -\( $^ -\) $(APP_LDLIBS) --undefined main -o $@
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ifneq ($(APP_OBJS),)
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APP_O=$(OBJ_DIR)/$(TARGET)_app.o
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endif
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$(OBJ_DIR)/$(TARGET): links $(OBJS) $(APP_O) arch_lib
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$(LD) -r $(LDFLAGS) $(HEAD_OBJ) $(APP_O) $(OBJS) $(LDARCHLIB) $(LDLIBS) -o $@.o
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$(OBJCOPY) -w -G $(GLOBAL_PREFIX)* -G _start $@.o $@.o
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$(LD) $(LDFLAGS) $(LDFLAGS_FINAL) $@.o $(EXTRA_OBJS) -o $@
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gzip -f -9 -c $@ >$@.gz
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.PHONY: clean arch_clean
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arch_clean:
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$(MAKE) --directory=$(TARGET_ARCH_DIR) OBJ_DIR=$(OBJ_DIR)/$(TARGET_ARCH_DIR) clean || exit 1;
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clean: arch_clean
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for dir in $(addprefix $(OBJ_DIR)/,$(SUBDIRS)); do \
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rm -f $$dir/*.o; \
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done
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rm -f $(OBJ_DIR)/*.o *~ $(OBJ_DIR)/core $(OBJ_DIR)/$(TARGET).elf $(OBJ_DIR)/$(TARGET).raw $(OBJ_DIR)/$(TARGET) $(OBJ_DIR)/$(TARGET).gz
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find . $(OBJ_DIR) -type l | xargs rm -f
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$(RM) $(OBJ_DIR)/lwip.a $(LWO)
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rm -f tags TAGS
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define all_sources
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( find . -follow -name SCCS -prune -o -name '*.[chS]' -print )
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endef
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.PHONY: cscope
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cscope:
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$(all_sources) > cscope.files
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cscope -k -b -q
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.PHONY: tags
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tags:
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$(all_sources) | xargs ctags
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.PHONY: TAGS
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TAGS:
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$(all_sources) | xargs etags
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