############################################################################
# arch/sim/src/Makefile
#
#   Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in
#    the documentation and/or other materials provided with the
#    distribution.
# 3. Neither the name NuttX nor the names of its contributors may be
#    used to endorse or promote products derived from this software
#    without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
############################################################################

-include $(TOPDIR)/Make.defs

# The X11 stuff only builds on Linux (but not Ubuntu -- Ubuntu needs
# some work).

ifneq ($(HOSTOS),Cygwin)
ifeq ($(CONFIG_SIM_X11FB),y)
  USEX = y
else
  USEX = n
endif
else
  USEX = n
  CFLAGS += -DCYGWIN
  HOSTCFLAGS += -DCYGWIN
endif

CFLAGS += -I$(TOPDIR)/sched

ASRCS = up_setjmp.S
AOBJS = $(ASRCS:.S=$(OBJEXT))
CSRCS = up_initialize.c up_idle.c up_interruptcontext.c \
		  up_initialstate.c up_createstack.c up_usestack.c \
		  up_releasestack.c  up_unblocktask.c up_blocktask.c \
		  up_releasepending.c up_reprioritizertr.c \
		  up_exit.c up_schedulesigaction.c up_allocateheap.c \
		  up_devconsole.c up_framebuffer.c
HOSTSRCS = up_stdio.c up_hostusleep.c
ifeq ($(USEX),y)
  HOSTSRCS +=  up_x11framebuffer.c
endif
ifeq ($(CONFIG_FS_FAT),y)
CSRCS += up_blockdevice.c up_deviceimage.c
endif
ifeq ($(CONFIG_NET),y)
CSRCS += up_uipdriver.c
HOSTCFLAGS += -DNETDEV_BUFSIZE=$(CONFIG_NET_BUFSIZE)
ifneq ($(HOSTOS),Cygwin)
HOSTSRCS += up_tapdev.c up_netdev.c
else
HOSTSRCS += up_wpcap.c up_netdev.c
DRVLIB = /lib/w32api/libws2_32.a /lib/w32api/libiphlpapi.a
endif
endif

COBJS = $(CSRCS:.c=$(OBJEXT))

NXOBJS = $(AOBJS) $(COBJS)
HOSTOBJS = $(HOSTSRCS:.c=$(OBJEXT))

SRCS = $(ASRCS) $(CSRCS) $(HOSTSRCS)
OBJS = $(AOBJS) $(COBJS) $(HOSTOBJS)

LDFLAGS = $(ARCHSCRIPT)
ifeq ($(USEX),y)
  STDLIBS = -lX11 -lXext -lc
else
  STDLIBS = -lc
endif
ifeq ($(CONFIG_FS_FAT),y)
STDLIBS		+= -lz
endif

LINKOBJS = up_head$(OBJEXT)
LINKLIBS =
LDPATHS	= $(addprefix -L$(TOPDIR)/,$(dir $(LINKLIBS)))
LDLIBS = $(patsubst lib%,-l%,$(basename $(notdir $(LINKLIBS))))

all: up_head$(OBJEXT) libarch$(LIBEXT)
.PHONY: clean distclean cleanrel depend

$(AOBJS): %$(OBJEXT): %.S
	$(call ASSEMBLE, $<, $@)

$(COBJS) $(LINKOBJS): %$(OBJEXT): %.c
	$(call COMPILE, $<, $@)

$(HOSTOBJS): %$(OBJEXT): %.c
	@echo "CC:  $<"
	@$(CC) -c $(HOSTCFLAGS) $< -o $@

# The architecture-specific library
libarch$(LIBEXT): $(NXOBJS)
	@( for obj in $(NXOBJS) ; do \
		$(call ARCHIVE, $@, $${obj}); \
	done ; )

# A partially linked object containing only NuttX code (no interface to host OS)
# Change the names of most symbols that conflict with libc symbols.

GNU:
	@mkdir ./GNU

GNU/Linux-names.dat: GNU nuttx-names.dat
	@cp nuttx-names.dat $@

Cygwin-names.dat: nuttx-names.dat
	@cat $^ | sed -e "s/^/_/g" >$@

nuttx.rel : libarch$(LIBEXT) $(HOSTOS)-names.dat $(LINKOBJS)
	@echo "LD:  nuttx.rel"
	@$(LD) -r $(LDFLAGS) $(LDPATHS) -o $@ $(LINKOBJS) --start-group $(LDLIBS) --end-group $(EXTRA_LIBS)
	@$(OBJCOPY) --redefine-syms=$(HOSTOS)-names.dat $@

# Generate the final NuttX binary by linking the host-specific objects with the NuttX
# specific objects (with munged names)

nuttx$(EXEEXT): cleanrel nuttx.rel $(HOSTOBJS)
	@echo "LD:  nuttx$(EXEEXT)"
	@$(CC) $(LDFLAGS) $(LDPATHS) -o $(TOPDIR)/$@ nuttx.rel $(HOSTOBJS) $(DRVLIB) $(STDLIBS)
	@$(NM) $(TOPDIR)/$@ | \
		grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
		sort > $(TOPDIR)/System.map
	@rm -f nuttx.rel

.depend: Makefile $(SRCS)
	@$(MKDEP) $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep
	@touch $@

depend: .depend

cleanrel: 
	@rm -f nuttx.rel GNU/Linux-names.dat Cygwin-names.dat

clean: cleanrel
	@rm -f nuttx.rel libarch$(LIBEXT) *~ .*.swp
	$(call CLEAN)

distclean: clean
	@rm -f Make.dep .depend
	@rm -rf GNU

-include Make.dep
