nuttx/arch/xtensa/src/Makefile
chao.an 7ed0b97414 make/allsyms: skip the unnecessary link operation
For incremental compilation, skip the stage 1 dummy link
operation if nuttx elf has been generated

Signed-off-by: chao.an <anchao@xiaomi.com>
2021-12-28 23:47:10 -06:00

179 lines
5.1 KiB
Makefile

############################################################################
# arch/xtensa/src/Makefile
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership. The
# ASF licenses this file to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance with the
# License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
############################################################################
include $(TOPDIR)/Make.defs
include chip/Make.defs
ifeq ($(CONFIG_ARCH_FAMILY_LX6),y)
ARCH_SUBDIR = lx6
endif
ifeq ($(CONFIG_ARCH_FAMILY_LX7),y)
ARCH_SUBDIR = lx7
endif
ARCH_SRCDIR = $(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src
INCLUDES += ${shell $(INCDIR) "$(CC)" $(ARCH_SRCDIR)$(DELIM)chip}
INCLUDES += ${shell $(INCDIR) "$(CC)" $(ARCH_SRCDIR)$(DELIM)common}
INCLUDES += ${shell $(INCDIR) "$(CC)" $(ARCH_SRCDIR)$(DELIM)$(ARCH_SUBDIR)}
INCLUDES += ${shell $(INCDIR) "$(CC)" $(TOPDIR)$(DELIM)sched}
CPPFLAGS += $(INCLUDES)
CFLAGS += $(INCLUDES)
CXXFLAGS += $(INCLUDES)
AFLAGS += $(INCLUDES)
ifeq ($(CONFIG_CYGWIN_WINTOOL),y)
NUTTX = "${shell cygpath -w $(TOPDIR)$(DELIM)nuttx$(EXEEXT)}"
else
NUTTX = "$(TOPDIR)$(DELIM)nuttx$(EXEEXT)"
endif
HEAD_AOBJ = $(HEAD_ASRC:.S=$(OBJEXT))
HEAD_COBJ = $(HEAD_CSRC:.c=$(OBJEXT))
STARTUP_OBJS ?= $(HEAD_AOBJ) $(HEAD_COBJ)
ASRCS = $(CHIP_ASRCS) $(CMN_ASRCS)
AOBJS = $(ASRCS:.S=$(OBJEXT))
CSRCS = $(CHIP_CSRCS) $(CMN_CSRCS)
COBJS = $(CSRCS:.c=$(OBJEXT))
SRCS = $(ASRCS) $(CSRCS)
OBJS = $(AOBJS) $(COBJS)
# Override in Make.defs if linker is not 'ld'
LDSTARTGROUP ?= --start-group
LDENDGROUP ?= --end-group
LDFLAGS += $(ARCHSCRIPT)
BOARDMAKE = $(if $(wildcard board$(DELIM)Makefile),y,)
ifeq ($(CONFIG_CYGWIN_WINTOOL),y)
LIBPATHS += -L"${shell cygpath -w "$(TOPDIR)$(DELIM)staging"}"
ifeq ($(BOARDMAKE),y)
LIBPATHS += -L"${shell cygpath -w "$(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src$(DELIM)board"}"
endif
else
LIBPATHS += -L"$(TOPDIR)$(DELIM)staging"
ifeq ($(BOARDMAKE),y)
LIBPATHS += -L"$(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src$(DELIM)board"
endif
endif
LDLIBS = $(patsubst %.a,%,$(patsubst lib%,-l%,$(LINKLIBS)))
ifeq ($(BOARDMAKE),y)
LDLIBS += -lboard
endif
VPATH = chip:common:$(ARCH_SUBDIR)
all: $(STARTUP_OBJS) libarch$(LIBEXT)
.PHONY: board/libboard$(LIBEXT)
$(AOBJS) $(HEAD_AOBJ): %$(OBJEXT): %.S
$(call ASSEMBLE, $<, $@)
$(COBJS) $(HEAD_COBJ): %$(OBJEXT): %.c
$(call COMPILE, $<, $@)
libarch$(LIBEXT): $(OBJS)
$(call ARCHIVE, $@, $(OBJS))
board/libboard$(LIBEXT):
$(Q) $(MAKE) -C board libboard$(LIBEXT) EXTRAFLAGS="$(EXTRAFLAGS)"
define LINK_ALLSYMS
$(Q) $(TOPDIR)/tools/mkallsyms.sh $(NUTTX) $(CROSSDEV) > allsyms.tmp
$(Q) $(call COMPILE, -x c allsyms.tmp, allsyms$(OBJEXT))
$(Q) $(LD) --entry=__start $(LDFLAGS) $(LIBPATHS) $(EXTRA_LIBPATHS) \
-o $(NUTTX) $(filter-out board/libboard$(LIBEXT), $1) allsyms$(OBJEXT) $(EXTRA_OBJS) \
$(LDSTARTGROUP) $(LDLIBS) $(EXTRA_LIBS) $(LDENDGROUP)
$(Q) $(call DELFILE, allsyms.tmp allsyms$(OBJEXT))
endef
nuttx$(EXEEXT): $(STARTUP_OBJS) board/libboard$(LIBEXT)
@echo "LD: nuttx"
ifneq ($(CONFIG_ALLSYMS),y)
$(Q) $(LD) --entry=__start $(LDFLAGS) $(LIBPATHS) $(EXTRA_LIBPATHS) \
-o $(NUTTX) $(STARTUP_OBJS) $(EXTRA_OBJS) \
$(LDSTARTGROUP) $(LDLIBS) $(EXTRA_LIBS) $(LDENDGROUP)
else
$(Q) # Link and generate default table
$(Q) $(if $(wildcard $(shell echo $(NUTTX))),,$(call LINK_ALLSYMS,$^))
$(Q) # Extract all symbols
$(Q) $(call LINK_ALLSYMS, $^)
$(Q) # Extract again since the table offset may changed
$(Q) $(call LINK_ALLSYMS, $^)
endif
ifneq ($(CONFIG_WINDOWS_NATIVE),y)
$(Q) $(NM) $(NUTTX) | \
grep -v '\(compiled\)\|\(\$(OBJEXT)$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
sort > $(TOPDIR)/System.map
endif
# This is part of the top-level export target
export_startup: board/libboard$(LIBEXT) $(STARTUP_OBJS)
$(Q) if [ -d "$(EXPORT_DIR)/startup" ]; then \
cp -f $(STARTUP_OBJS) "$(EXPORT_DIR)/startup"; \
else \
echo "$(EXPORT_DIR)/startup does not exist"; \
exit 1; \
fi
# Dependencies
makedepfile: $(CSRCS:.c=.ddc) $(ASRCS:.S=.dds) $(HEAD_CSRC:.c=.ddc) $(HEAD_ASRC:.S=.dds)
$(call CATFILE, Make.dep, $^)
$(call DELFILE, $^)
.depend: Makefile chip/Make.defs $(SRCS) $(TOPDIR)$(DELIM).config
ifeq ($(BOARDMAKE),y)
$(Q) $(MAKE) -C board depend
endif
$(Q) $(MAKE) makedepfile DEPPATH="--dep-path chip --dep-path common --dep-path $(ARCH_SUBDIR)"
$(Q) touch $@
depend: .depend
context::
clean:
ifeq ($(BOARDMAKE),y)
$(Q) $(MAKE) -C board clean
endif
$(call DELFILE, libarch$(LIBEXT))
$(call CLEAN)
distclean:: clean
ifeq ($(BOARDMAKE),y)
$(Q) $(MAKE) -C board distclean
endif
$(call DELFILE, Make.dep)
$(call DELFILE, .depend)
-include Make.dep