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1026 |
ivang |
#
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# Config file for the PC 386 BSP
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#
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# pc386.cfg,v 1.32 2002/03/28 13:51:54 joel Exp
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#
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include $(RTEMS_ROOT)/make/custom/default.cfg
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RTEMS_CPU=i386
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ifeq ($(RTEMS_CPU_MODEL),)
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RTEMS_CPU_MODEL=i386_fp
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endif
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# This is the actual bsp directory used during the build process.
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RTEMS_BSP_FAMILY=pc386
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# This contains the compiler options necessary to select the CPU model
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# and (hopefully) optimize for it.
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#
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# NOTE: CPU_CFLAGS is set by pc386 variants.
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# CPU_CFLAGS =
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# optimize flag: typically -0, could use -O4 or -fast
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# -O4 is ok for RTEMS
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# -fomit-frame-pointer breaks debugging and C++ exceptions
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CFLAGS_OPTIMIZE_V=-O4
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# Here is the rule to actually build a $(ARCH)/foo.exe
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# It also builds $(ARCH)/foo.sr and $(ARCH)/foo.nm
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# Usage ref: src/tests/sptest/sp1/Makefile
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#+--------------------------------------------------------------------------+
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#| Set the value of RELOCADDR to the address where you want your image to
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#| load. If you'll be using GRUB to load the images it will have to be >=
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#| 0x100000 (1024K). If you are using NetBoot to load the images it can be
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#| >= 0x10000 (64K) AND <= 0x97C00 (607K) OR >= 0x100000 (1024K). The memory
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#| top is of course another limit. Make sure there is enough space before the
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#| upper memory limits for the image and the memory allocated by it to fit.
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#| Make sure the value you choose is aligned to 4 bytes.
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#+--------------------------------------------------------------------------+
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RELOCADDR=0x00100000
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START16FILE=$(PROJECT_RELEASE)/lib/start16$(LIB_VARIANT).bin
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START16ADDR=0x00097C00
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HEADERADDR=0x00097E00
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# The following are definitions of make-exe which will work using ld as
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# is currently required. It is expected that as of gcc 2.8, the end user
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# will be able to override parts of the compilers specs and link using gcc.
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define make-exe
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$(LINK.c) $(AM_CFLAGS) $(AM_LDFLAGS) -Wl,-Ttext,$(RELOCADDR) \
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-o $(basename $@).obj \
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$(LINK_OBJS) $(LINK_LIBS)
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$(OBJCOPY) -O elf32-i386 \
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--remove-section=.rodata \
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--remove-section=.comment \
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--remove-section=.note \
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--strip-unneeded $(basename $@).obj $@
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$(OBJCOPY) -O binary $(basename $@).obj $(basename $@).bin
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$(PROJECT_TOOLS)/bin2boot -v $(basename $@).bt $(HEADERADDR)\
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$(START16FILE) $(START16ADDR) 0 $(basename $@).bin $(RELOCADDR) 0
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$(NM) -g -n $(basename $@).obj > $(basename $@).num
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$(SIZE) $(basename $@).obj
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# test -d ${PROJECT_RELEASE}/BootImgs \
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# || mkdir ${PROJECT_RELEASE}/BootImgs
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# f=`basename $@ .exe`; \
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# cp $(basename $@).bt \
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# ${PROJECT_RELEASE}/BootImgs/$${f}$(LIB_VARIANT).bt \
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# && chmod 755 \
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# ${PROJECT_RELEASE}/BootImgs/$${f}$(LIB_VARIANT).bt
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# $(LINK.c) $(AM_CFLAGS) $(AM_LDFLAGS) -Wl,-Ttext,$(RELOCADDR) \
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# -o $@ $(LINK_OBJS) $(LINK_LIBS)
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endef
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define make-cxx-exe
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$(LINK.cc) $(AM_CFLAGS) $(AM_CXXFLAGS) $(AM_LDFLAGS) \
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-Wl,-Ttext,$(RELOCADDR) -o $(basename $@).obj \
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$(LINK_OBJS) $(LINK_LIBS)
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$(OBJCOPY) -O elf32-i386 \
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--remove-section=.rodata \
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--remove-section=.comment \
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--remove-section=.note \
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--strip-unneeded $(basename $@).obj $@
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$(OBJCOPY) -O binary $(basename $@).obj $(basename $@).bin
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$(PROJECT_TOOLS)/bin2boot -v $(basename $@).bt $(HEADERADDR)\
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$(START16FILE) $(START16ADDR) 0 $(basename $@).bin $(RELOCADDR) 0
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$(NM) -g -n $(basename $@).obj > $(basename $@).num
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$(SIZE) $(basename $@).obj
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endef
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# Miscellaneous additions go here
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# BSP-specific tools
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BIN2BOOT=$(PROJECT_TOOLS)/bin2boot
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