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Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [trunk/] [rtos/] [rtems/] [make/] [custom/] [ods68302.cfg] - Rev 412
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#
# Config file for a "ODS 68302" BSP
#
# Differs from the gen68302 by providing most of the boot code as C
# code. This allows separate board definitions to be based on C
# header files. The file is based on the VARIANT defined.
#
# $Id: ods68302.cfg,v 1.2 2001-09-27 12:02:52 chris Exp $
#
include $(RTEMS_ROOT)/make/custom/default.cfg
RTEMS_CPU=m68k
RTEMS_CPU_MODEL=m68302
# This is the actual bsp directory used during the build process.
RTEMS_BSP_FAMILY=ods68302
#
# This contains the compiler options necessary to select the CPU model
# and (hopefully) optimize for it.
#
# 68000+softfloat results in gcc 2.95.2 giving default libraries.
# CPU_CFLAGS = -m68302 -msoft-float
CPU_CFLAGS = -m68302
CPU_DEFINES = \
-DVARIANT=$(BSP_VARIANT) -DMC68302_BASE=$(MC68302_BASE) \
-DRAM_BASE=$(RAM_BASE) -DRAM_SIZE=$(RAM_SIZE) \
-DROM_BASE=$(ROM_BASE) -DROM_SIZE=$(ROM_SIZE)
# optimize flag: typically -0, could use -O4 or -fast
# -O4 is ok for RTEMS
CFLAGS_OPTIMIZE_V=-O4 -fomit-frame-pointer
# debugging please
CFLAGS_DEBUG_V =
# This section makes the target dependent options file.
# NDEBUG (C library)
# if defined asserts do not generate code. This is commonly used
# as a command line option.
#
# RTEMS_TEST_NO_PAUSE (RTEMS tests)
# do not pause between screens of output in the rtems tests
#
# RTEMS_DEBUG (RTEMS)
# If defined, debug checks in RTEMS and support library code are enabled.
define make-target-options
@echo "/* #define NDEBUG 1 */ " >>$@
@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/libc.a
LIBC_LIBM=$(RTEMS_LIBC_DIR)/lib/m68000/libm.a
define make-exe
$(LD) $(LDFLAGS) -N -Ttext $(ROM_BASE) \
-defsym MC68302_BASE=$(MC68302_BASE) \
-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) $(AM_LDFLAGS) \
-Wl,-defsym -Wl,MC68302_BASE=$(MC68302_BASE) \
-o $@ \
$(LINK_OBJS) $(LINK_LIBS)
$(NM) -g -n $@ > $(basename $@).num
$(SIZE) $@
endef
endif
# Miscellaneous additions go here
ifeq "$(strip $(BSP_VARIANT))" ""
BSP_VARIANT=bare
MC68302_BASE=0x00700000
RAM_BASE=0x00000000
RAM_SIZE=0x00100000
ifeq ($(RTEMS_DEBUGGER),yes)
ROM_BASE=0x00010000
LINKCMDS=$(PROJECT_RELEASE)/lib/debugrom
else
ROM_BASE=0x00C00000
LINKCMDS=$(PROJECT_RELEASE)/lib/rom
endif
ROM_SIZE=0x00100000
else
# pattern match the variant to set the memory map
endif
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