# # Config file for Motorola MCP750 -- a MPC750 CompactPCI board # # $Id$ # include $(RTEMS_ROOT)/make/custom/default.cfg RTEMS_CPU=powerpc RTEMS_CPU_MODEL=mpc750 RTEMS_PPC_EXCEPTION_PROCESSING_MODEL=new # This is the actual bsp directory used during the build process. RTEMS_BSP_FAMILY=motorola_powerpc # This contains the compiler options necessary to select the CPU model # and (hopefully) optimize for it. # # NOTE : cheking egcc 1.1.1 source code shows that the last know processor # is the 604 model and that this is the default generation option. # CPU_CFLAGS = -mcpu=750 -Dmpc750 # optimize flag: typically -0, could use -O4 or -fast # -O4 is ok for RTEMS # NOTE2: some level of -O may be actually required by inline assembler (at least # -O2 so far. # NOTE2 Apparently nobody really knows the status or r2 and r13. # As far as I know, small data are pointer impose a very specific compliation # model => not used. # Currently the sdata2 and sbss2 sections are empty => r2 is not used... CFLAGS_OPTIMIZE_V=-O4 -mmultiple -mstring -mstrict-align #CFLAGS_OPTIMIZE_V=-O4 -fno-keep-inline-functions -fvolatile-global -fvolatile -mstrict-align -mcpu=750 # debug flags: typically none, but at least -O1 is required due to this # BSP using inlined code CFLAGS_DEBUG_V = -O1 -mmultiple -mstring -mstrict-align define make-exe $(LINK.c) $(AM_CFLAGS) $(AM_LDFLAGS) \ -o $(basename $@).nxe $(LINK_OBJS) $(LINK_LIBS) $(NM) -g -n $(basename $@).nxe > $(basename $@).num $(SIZE) $(basename $@).nxe $(OBJCOPY) $(basename $@).nxe rtems -O binary -R .comment -S gzip -vf9 rtems $(LD) -o $@ $(PROJECT_RELEASE)/lib/bootloader.o --just-symbols=$(basename $@).nxe \ -b binary rtems.gz -T $(PROJECT_RELEASE)/lib/ppcboot.lds \ -Map $(basename $@).map && chmod 755 $@ rm -f rtems.gz endef # Miscellaneous additions go here