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#
# 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
# 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
# The following is a ld command file which works without using the
# -specs system in gcc 2.8. IT HAS NEVER BEEN TESTED WITH THIS BSP!!!
# $(LD) $(XLDFLAGS) -T $(LINKCMDS) \
# -o $@ -u atexit -u __vectors -u download_entry $(LINK_FILES)
# $(LD) $(XLDFLAGS) -Ttext 0x20000 \
# -o $@ -u atexit -u __vectors -u download_entry $(LINK_FILES)
# $(CC) -mmvme -mrtems -nostartfiles -mcpu=603 \
# -o $(basename $@).exe -L $(PROJECT_RELEASE)/lib \
# $(START_FILE) $(LINK_OBJS) \
# $(LD_LIBS) \
# -Wl,-\( -Wl,-lc -Wl,-lrtemsall -Wl,-lgcc -Wl,-\)
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
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