nuttx/arch/risc-v/src/Makefile
chao an 6bc4baa4ca arch/makefile: preprocess link script to make configure more flexibly
Signed-off-by: chao an <anchao@xiaomi.com>
2022-09-29 17:06:47 +08:00

222 lines
6.0 KiB
Makefile

############################################################################
# arch/risc-v/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_OPENSBI),y)
include opensbi/Make.defs
endif
# Kernel runs in supervisor mode or machine mode ?
ifeq ($(CONFIG_ARCH_USE_S_MODE),y)
include common/supervisor/Make.defs
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)" $(TOPDIR)$(DELIM)sched}
CPPFLAGS += $(INCLUDES)
CFLAGS += $(INCLUDES)
CXXFLAGS += $(INCLUDES)
AFLAGS += $(INCLUDES)
NUTTX = $(call CONVERT_PATH,$(TOPDIR)$(DELIM)nuttx$(EXEEXT))
# Additional rules for system call wrapper
ifeq ($(CONFIG_SCHED_INSTRUMENTATION_SYSCALL),y)
EXTRALINKCMDS += @$(TOPDIR)/syscall/syscall_wraps.ldcmd
endif
# The "head" object
HEAD_OBJ = $(HEAD_ASRC:.S=$(OBJEXT))
STARTUP_OBJS ?= $(HEAD_OBJ)
# Flat build or kernel-mode objects
ASRCS = $(CHIP_ASRCS) $(CMN_ASRCS) $(SBI_ASRCS)
AOBJS = $(ASRCS:.S=$(OBJEXT))
CSRCS = $(CHIP_CSRCS) $(CMN_CSRCS) $(SBI_CSRCS)
COBJS = $(CSRCS:.c=$(OBJEXT))
SRCS = $(ASRCS) $(CSRCS)
OBJS = $(AOBJS) $(COBJS)
# User-mode objects
UASRCS = $(CHIP_UASRCS) $(CMN_UASRCS)
UAOBJS = $(UASRCS:.S=$(OBJEXT))
UCSRCS = $(CHIP_UCSRCS) $(CMN_UCSRCS)
UCOBJS = $(UCSRCS:.c=$(OBJEXT))
USRCS = $(UASRCS) $(UCSRCS)
UOBJS = $(UAOBJS) $(UCOBJS)
KBIN = libkarch$(LIBEXT)
BIN = libarch$(LIBEXT)
ARCHSCRIPT := $(call CONVERT_PATH,$(ARCHSCRIPT))
LDFLAGS += $(addprefix -T,$(ARCHSCRIPT).tmp) $(EXTRALINKCMDS)
ifeq ($(LD),$(CC))
LDSTARTGROUP ?= -Wl,--start-group
LDENDGROUP ?= -Wl,--end-group
LDFLAGS := $(addprefix -Xlinker ,$(LDFLAGS))
LDFLAGS += $(CFLAGS)
else
LDSTARTGROUP ?= --start-group
LDENDGROUP ?= --end-group
endif
BOARDMAKE = $(if $(wildcard board$(DELIM)Makefile),y,)
LIBPATHS += -L $(call CONVERT_PATH,$(TOPDIR)$(DELIM)staging)
ifeq ($(BOARDMAKE),y)
LIBPATHS += -L $(call CONVERT_PATH,$(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src$(DELIM)board)
endif
LDLIBS = $(patsubst %.a,%,$(patsubst lib%,-l%,$(LINKLIBS)))
ifeq ($(BOARDMAKE),y)
LDLIBS += -lboard
endif
VPATH += chip
VPATH += common
VPATH += $(SBI_DIR)
VPATH += $(ARCH_SUBDIR)
VPATH += $(CHIP_DIR)
all: $(HEAD_OBJ) $(BIN)
.PHONY: board/libboard$(LIBEXT)
$(AOBJS) $(UAOBJS) $(HEAD_OBJ): %$(OBJEXT): %.S
$(call ASSEMBLE, $<, $@)
$(COBJS) $(UCOBJS): %$(OBJEXT): %.c
$(call COMPILE, $<, $@)
crt0$(OBJEXT): %$(OBJEXT): %.c
$(call COMPILE, $<, $@)
ifeq ($(CONFIG_BUILD_FLAT),y)
$(BIN): $(OBJS)
$(call ARCHIVE, $@, $(OBJS))
else
$(BIN): $(UOBJS)
$(call ARCHIVE, $@, $(UOBJS))
endif
$(KBIN): $(OBJS)
$(call ARCHIVE, $@, $(OBJS))
board/libboard$(LIBEXT):
$(Q) $(MAKE) -C board libboard$(LIBEXT) EXTRAFLAGS="$(EXTRAFLAGS)"
define LINK_ALLSYMS
$(Q) $(TOPDIR)/tools/mkallsyms.py $(NUTTX) allsyms.tmp
$(Q) $(call COMPILE, -x c allsyms.tmp, allsyms$(OBJEXT))
$(Q) $(LD) --entry=__start $(LDFLAGS) $(LIBPATHS) $(EXTRA_LIBPATHS) \
-o $(NUTTX) $(HEAD_OBJ) allsyms$(OBJEXT) $(EXTRA_OBJS) \
$(LDSTARTGROUP) $(LDLIBS) $(EXTRA_LIBS) $(LDENDGROUP)
$(Q) $(call DELFILE, allsyms.tmp allsyms$(OBJEXT))
endef
$(addsuffix .tmp,$(ARCHSCRIPT)): $(ARCHSCRIPT)
$(call PREPROCESS, $(patsubst %.tmp,%,$@), $@)
nuttx$(EXEEXT): $(HEAD_OBJ) board/libboard$(LIBEXT) $(addsuffix .tmp,$(ARCHSCRIPT))
$(Q) echo "LD: nuttx"
ifneq ($(CONFIG_ALLSYMS),y)
$(Q) $(LD) --entry=__start $(LDFLAGS) $(LIBPATHS) $(EXTRA_LIBPATHS) \
-o $(NUTTX) $(HEAD_OBJ) $(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
$(Q) $(call DELFILE, $(addsuffix .tmp,$(ARCHSCRIPT)))
# This is part of the top-level export target
# Note that there may not be a head object if layout is handled
# by the linker configuration.
export_startup: $(STARTUP_OBJS)
ifneq ($(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
endif
# Dependencies
makedepfile: $(CSRCS:.c=.ddc) $(ASRCS:.S=.dds) $(HEAD_ASRC:.S=.dds)
$(call CATFILE, Make.dep, $^)
$(call DELFILE, $^)
.depend: Makefile $(SRCS) $(TOPDIR)$(DELIM).config
ifeq ($(BOARDMAKE),y)
$(Q) $(MAKE) -C board depend
endif
$(Q) $(MAKE) makedepfile DEPPATH="$(patsubst %,--dep-path %,$(subst :, ,$(VPATH)))"
$(Q) touch $@
depend: .depend
context::
clean:
ifeq ($(BOARDMAKE),y)
$(Q) $(MAKE) -C board clean
endif
$(call DELFILE, $(addsuffix .tmp,$(ARCHSCRIPT)))
$(call DELFILE, $(KBIN))
$(call DELFILE, $(BIN))
$(call DELFILE, $(HEAD_OBJ))
$(call CLEAN)
distclean:: clean
ifeq ($(BOARDMAKE),y)
$(Q) $(MAKE) -C board distclean
endif
$(call DELFILE, Make.dep)
$(call DELFILE, .depend)
-include Make.dep