226 lines
6.1 KiB
Makefile
226 lines
6.1 KiB
Makefile
############################################################################
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# arch/risc-v/src/Makefile
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#
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# Copyright (C) 2011-2012, 2014, 2016 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Modified for RISC-V:
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#
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# Copyright (C) 2016 Ken Pettit. All rights reserved.
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# Author: Ken Pettit <pettitkd@gmail.com>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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############################################################################
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include $(TOPDIR)/Make.defs
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-include chip/Make.defs
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ifeq ($(CONFIG_ARCH_RV32I),y) # Base Integer support
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ARCH_SUBDIR = rv32i
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else ifeq ($(CONFIG_ARCH_RV32IM),y) # Integer + math support
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ARCH_SUBDIR = rv32im
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else ifeq ($(CONFIG_ARCH_RV64GC),y) # GC=IMAFDC
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ARCH_SUBDIR = rv64gc
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else
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ARCH_SUBDIR = rv32i # Default to base RV32I core
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endif
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ARCH_SRCDIR = $(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src
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INCLUDES += ${shell $(INCDIR) "$(CC)" $(ARCH_SRCDIR)$(DELIM)chip}
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INCLUDES += ${shell $(INCDIR) "$(CC)" $(ARCH_SRCDIR)$(DELIM)common}
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INCLUDES += ${shell $(INCDIR) "$(CC)" $(ARCH_SRCDIR)$(DELIM)$(ARCH_SUBDIR)}
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INCLUDES += ${shell $(INCDIR) "$(CC)" $(TOPDIR)$(DELIM)sched}
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CPPFLAGS += $(INCLUDES)
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CFLAGS += $(INCLUDES)
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CXXFLAGS += $(INCLUDES)
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AFLAGS += $(INCLUDES)
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ifeq ($(CONFIG_CYGWIN_WINTOOL),y)
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NUTTX = "${shell cygpath -w $(TOPDIR)$(DELIM)nuttx$(EXEEXT)}"
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else
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NUTTX = "$(TOPDIR)$(DELIM)nuttx$(EXEEXT)"
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endif
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# Additional rules for system call wrapper
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ifeq ($(CONFIG_SCHED_INSTRUMENTATION_SYSCALL),y)
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EXTRALINKCMDS += @$(TOPDIR)/syscall/syscall_wraps.ldcmd
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endif
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# The "head" object
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HEAD_OBJ = $(HEAD_ASRC:.S=$(OBJEXT))
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STARTUP_OBJS ?= $(HEAD_OBJ)
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# Flat build or kernel-mode objects
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ASRCS = $(CHIP_ASRCS) $(CMN_ASRCS)
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AOBJS = $(ASRCS:.S=$(OBJEXT))
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CSRCS = $(CHIP_CSRCS) $(CMN_CSRCS)
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COBJS = $(CSRCS:.c=$(OBJEXT))
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SRCS = $(ASRCS) $(CSRCS)
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OBJS = $(AOBJS) $(COBJS)
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# User-mode objects
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UASRCS = $(CHIP_UASRCS) $(CMN_UASRCS)
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UAOBJS = $(UASRCS:.S=$(OBJEXT))
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UCSRCS = $(CHIP_UCSRCS) $(CMN_UCSRCS)
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UCOBJS = $(UCSRCS:.c=$(OBJEXT))
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USRCS = $(UASRCS) $(UCSRCS)
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UOBJS = $(UAOBJS) $(UCOBJS)
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KBIN = libkarch$(LIBEXT)
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BIN = libarch$(LIBEXT)
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LDFLAGS += $(ARCHSCRIPT) $(EXTRALINKCMDS)
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LDSTARTGROUP ?= --start-group
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LDENDGROUP ?= --end-group
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BOARDMAKE = $(if $(wildcard board$(DELIM)Makefile),y,)
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ifeq ($(CONFIG_CYGWIN_WINTOOL),y)
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LIBPATHS += -L"${shell cygpath -w "$(TOPDIR)$(DELIM)staging"}"
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ifeq ($(BOARDMAKE),y)
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LIBPATHS += -L"${shell cygpath -w "$(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src$(DELIM)board"}"
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endif
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else
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LIBPATHS += -L"$(TOPDIR)$(DELIM)staging"
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ifeq ($(BOARDMAKE),y)
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LIBPATHS += -L"$(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src$(DELIM)board"
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endif
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endif
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LDLIBS = $(patsubst %.a,%,$(patsubst lib%,-l%,$(LINKLIBS)))
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ifeq ($(BOARDMAKE),y)
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LDLIBS += -lboard
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endif
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VPATH += chip
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VPATH += common
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VPATH += $(ARCH_SUBDIR)
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VPATH += $(CHIP_DIR)
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all: $(HEAD_OBJ) $(BIN)
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.PHONY: board/libboard$(LIBEXT)
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$(AOBJS) $(UAOBJS) $(HEAD_OBJ): %$(OBJEXT): %.S
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$(call ASSEMBLE, $<, $@)
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$(COBJS) $(UCOBJS): %$(OBJEXT): %.c
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$(call COMPILE, $<, $@)
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ifeq ($(CONFIG_BUILD_FLAT),y)
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$(BIN): $(OBJS)
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$(call ARCHIVE, $@, $(OBJS))
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else
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$(BIN): $(UOBJS)
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$(call ARCHIVE, $@, $(UOBJS))
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endif
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$(KBIN): $(OBJS)
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$(call ARCHIVE, $@, $(OBJS))
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board/libboard$(LIBEXT):
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$(Q) $(MAKE) -C board libboard$(LIBEXT) EXTRAFLAGS="$(EXTRAFLAGS)"
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nuttx$(EXEEXT): $(HEAD_OBJ) board/libboard$(LIBEXT)
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$(Q) echo "LD: nuttx"
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$(Q) $(LD) --entry=__start $(LDFLAGS) $(LIBPATHS) $(EXTRA_LIBPATHS) \
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-o $(NUTTX) $(HEAD_OBJ) $(EXTRA_OBJS) \
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$(LDSTARTGROUP) $(LDLIBS) $(EXTRA_LIBS) $(LDENDGROUP)
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ifneq ($(CONFIG_WINDOWS_NATIVE),y)
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$(Q) $(NM) $(NUTTX) | \
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grep -v '\(compiled\)\|\(\$(OBJEXT)$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
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sort > $(TOPDIR)/System.map
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endif
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# This is part of the top-level export target
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# Note that there may not be a head object if layout is handled
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# by the linker configuration.
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export_startup: board/libboard$(LIBEXT) $(STARTUP_OBJS)
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ifneq ($(STARTUP_OBJS),)
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$(Q) if [ -d "$(EXPORT_DIR)/startup" ]; then \
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cp -f $(STARTUP_OBJS) "$(EXPORT_DIR)/startup/."; \
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else \
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echo "$(EXPORT_DIR)/startup does not exist"; \
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exit 1; \
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fi
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endif
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# Dependencies
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makedepfile: $(CSRCS:.c=.ddc) $(ASRCS:.S=.dds) $(HEAD_ASRC:.S=.dds)
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$(call CATFILE, Make.dep, $^)
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$(call DELFILE, $^)
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.depend: Makefile $(SRCS) $(TOPDIR)$(DELIM).config
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ifeq ($(BOARDMAKE),y)
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$(Q) $(MAKE) -C board depend
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endif
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$(Q) $(MAKE) makedepfile DEPPATH="$(patsubst %,--dep-path %,$(subst :, ,$(VPATH)))"
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$(Q) touch $@
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depend: .depend
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context::
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clean_context::
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clean:
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ifeq ($(BOARDMAKE),y)
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$(Q) $(MAKE) -C board clean
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endif
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$(call DELFILE, $(KBIN))
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$(call DELFILE, $(BIN))
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$(call DELFILE, $(HEAD_OBJ))
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$(call CLEAN)
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distclean: clean
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ifeq ($(BOARDMAKE),y)
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$(Q) $(MAKE) -C board distclean
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endif
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$(call DELFILE, Make.dep)
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$(call DELFILE, .depend)
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info:
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@echo $(HEAD_OBJ)
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@echo $(ASRCS)
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@echo $(CONFIG_ARCH_CHIP)
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-include Make.dep
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