Subversion Repositories openrisc_2011-10-31

# 
#  Config file for a "generic 68340" BSP
#
#  $Id: gen68340.cfg,v 1.2 2001-09-27 12:02:52 chris Exp $
#

RTEMS_CPU=m68k

RTEMS_CPU_MODEL=mcpu32

include $(RTEMS_ROOT)/make/custom/default.cfg

# This is the actual bsp directory used during the build process.
RTEMS_BSP_FAMILY=gen68340

CPU_CFLAGS = -mcpu32

# optimize flag: typically -0, could use -O4 or -fast
# -O4 is ok for RTEMS
CFLAGS_OPTIMIZE_V=-O4 -fomit-frame-pointer

#  This section makes the target dependent options file.
#  NDEBUG (C library)
#     if defined asserts do not generate code.  This is commonly used
#     as a command line option.
#
#  RTEMS_TEST_NO_PAUSE (RTEMS tests)
#     do not pause between screens of output in the rtems tests
#
#  RTEMS_DEBUG (RTEMS)
#     If defined, debug checks in RTEMS and support library code are enabled.
#

define make-target-options
        @echo "/* #define NDEBUG 1 */ "                     >>$@
        @echo "#define RTEMS_TEST_NO_PAUSE 1"               >>$@
        @echo "/* #define RTEMS_DEBUG  1 */"                >>$@
endef

# The following are definitions of make-exe which will work using ld as
# is currently required.  It is expected that as of gcc 2.8, the end user
# will be able to override parts of the compilers specs and link using gcc.

ifeq ($(RTEMS_USE_GCC272),yes)

# override default location of Standard C Library
LIBC_LIBC=$(RTEMS_LIBC_DIR)/lib/m68000/msoft-float/libc.a
LIBC_LIBM=$(RTEMS_LIBC_DIR)/lib/m68000/msoft-float/libm.a

define make-exe
        @ echo 
        @ echo "WARNING: newlib may use bit test instructions!!"
        @ echo 
        $(LD) $(LDFLAGS) -N -T $(LINKCMDS) -o $(basename $@).exe \
            $(START_FILE) $(LINK_OBJS) --start-group $(LINK_LIBS) --end-group
        $(NM) -g -n $(basename $@).exe > $(basename $@).num
        $(SIZE) $(basename $@).exe
endef
else

define make-exe
        $(LINK.c) $(AM_CFLAGS) $(AM_LDFLAGS) \
            -o $@ $(LINK_OBJS) $(LINK_LIBS)
        $(NM) -g -n $@ > $(basename $@).num
        $(SIZE) $@
endef
#        if you want to make a prom image
#        m68k-rtems-objcopy --adjust-section-vma \
#         .data=`m68k-rtems-objdump --section-headers $(basename $@).exe | \
#         awk 'function h2d(x) { x=toupper(x); digits=length(x); s=0 ; \
#              for (p=digits; p>0; p--) \
#              s += (16^(p-1)) * ( index("0123456789ABCDEF",\
#               substr(x,1+digits-p,1)) -1 );\
#               return s } ;\
#               /\.text/ { base = $$4 ; size = $$3 };\
#               END { printf("0x%x", h2d(base) + h2d(size)) }'\
#              ` $(basename $@).exe
#        if you want to convert it to ieee
#        m68k-rtems-objcopy --output-target=ieee --debugging \
#              $(basename $@).exe $(basename $@).ieee
endif


# Miscellaneous additions go here