Subversion Repositories openrisc_2011-10-31

#
#  Config file for a PowerPC 603e based Vista VMEbus Single Board Computer.
#  This BSP should work with the following models:
#
#     + Vista SCORE 603e
#
#  $Id: score603e.cfg,v 1.2 2001-09-27 12:02:52 chris Exp $
#

RTEMS_CPU=powerpc
RTEMS_CPU_MODEL=ppc603e

# Set the default generation if it has not been overridden
ifeq ($(SCORE603E_GENERATION),)
SCORE603E_GENERATION=2
endif


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

RTEMS_BSP_FAMILY=score603e

ifeq ($(SCORE603E_GENERATION),1)
RTEMS_BSP=score603e_g1

else
ifeq ($(SCORE603E_GENERATION),2)
RTEMS_BSP=score603e

endif # generation 2
endif # generation 1

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

#  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.
#
#  CONSOLE_USE_POLLED     (score603e_bsp)
#  CONSOLE_USE_INTERRUPTS (score603e_bsp)
#     The score603e console driver has the structure to operate in either
#     polled or interrupt mode.  However both modes only trap to the
#     monitor currently.
#
#  SCORE603E_USE_SDS           (score603e_bsp)
#  SCORE603E_USE_OPEN_FIRMWARE (score603e_bsp)
#  SCORE603E_USE_NONE          (score603e_bsp)
#     The Score603e board can be configured with 3 ROM monitors.  Only two
#     are appropriate for use with RTEMS.  Set exactly one of these to "1"
#     to indicate which ROM monitor is on the board you are using.
#
#  PPC_VECTOR_FILE_BASE (ppc)
#     This defines the base address of the exception table.
#     NOTE: Vectors are actually at 0xFFF00000 but file starts at offset 0x0100
#
#  PPC_USE_SPRG (RTEMS PowerPC port)
#     If defined, then the PowerPC specific code in RTEMS will use some
#     of the special purpose registers to slightly optimize interrupt
#     response time.  The use of these registers can conflict with 
#     other tools like debuggers.
#
#  PPC_USE_DATA_CACHE (RTEMS PowerPC port)
#     If defined, then the PowerPC specific code in RTEMS will use 
#     data cache instructions to optimize the context switch code.
#     This code can conflict with debuggers or emulators.
#

define make-target-options
        @echo "/* #define NDEBUG 1 */ "                              >>$@
        @echo "#define RTEMS_TEST_NO_PAUSE 1"                        >>$@
        @echo "/* #define RTEMS_DEBUG  1 */"                         >>$@
        @echo "#define CONSOLE_USE_INTERRUPTS 0"                     >>$@
        @echo "#define INITIALIZE_COM_PORTS 1"                       >>$@
        @echo "#define SCORE603E_GENERATION $(SCORE603E_GENERATION)" >>$@
        @echo "#define SCORE603E_USE_SDS  0"                         >>$@
        @echo "#define SCORE603E_USE_NONE 0"                         >>$@
        @echo "#define SCORE603E_USE_DINK 1"                         >>$@
        @echo "#define SCORE603E_USE_OPEN_FIRMWARE 0"                >>$@
        @echo "#define PPC_USE_DATA_CACHE 0"                         >>$@
        @echo "#define PPC_VECTOR_FILE_BASE 0x0100"                  >>$@
        @echo "#define PPC_USE_SPRG  0"                              >>$@
        @echo "#define HAS_PMC_PSC8  0"                              >>$@
endef

#  This contains the compiler options necessary to select the CPU model
#  and (hopefully) optimize for it. 
#
CPU_CFLAGS = -mcpu=603

# optimize flag: typically -0, could use -O4 or -fast
# -O4 is ok for RTEMS
# NOTE: some level of -O may be actually required by inline assembler
CFLAGS_OPTIMIZE_V=-O4 -fno-keep-inline-functions
# CFLAGS_OPTIMIZE_V=-O0 

# The following is a linkcmds file which will work without using the
# -specs system in gcc 2.8.
#       $(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)

ifeq ($(RTEMS_USE_GCC272),yes)
define make-exe
        @echo gcc 2.7.2 style linking not supported by score603e
        @exit 1 
endef
else
define make-exe
        $(LINK.c) $(AM_CFLAGS) $(AM_LDFLAGS) \
            -o $(basename $@).elf $(LINK_OBJS) $(LINK_LIBS)
        $(NM) -g -n $(basename $@).elf > $(basename $@).num
        $(SIZE) $(basename $@).elf
        $(OBJCOPY) -O srec $(basename $@).elf $(basename $@).s1
        sed -e 's/.$$//' $(basename $@).s1 | \
          $(PACKHEX) >$(basename $@).exe
        rm -f $(basename $@).s1
endef
endif

# Miscellaneous additions go here

DRIVER_ARCHITECTURE=vmebus