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#
# Config file for the go32 BSP .. CPU model defaults to an i486DX
# unless set otherwise by a custom configuration file which overrides.
#
# $Id$
#
# default to i486dx as cpu
ifeq ($(RTEMS_GO32_CPU_MODEL),)
TARGET_ARCH=o-go32
RTEMS_CPU_MODEL=i486dx
else
ifeq ($(RTEMS_GO32_CPU_MODEL),pentium)
TARGET_ARCH=o-go32_p5
RTEMS_CPU_MODEL=pentium
endif # pentium
endif # i486dx
include $(RTEMS_ROOT)/make/custom/default.cfg
# Sharing a single bsp among multiple cpu models results in us having to
# explicitly set some values normally taken care of in the defaults.cfg
# file.
RTEMS_CPU=i386
# This is the actual bsp directory used during the build process.
RTEMS_BSP_FAMILY=go32
## Target compiler config file, if any
CONFIG.$(TARGET_ARCH).CC = $(RTEMS_ROOT)/make/compilers/gcc-target-default.cfg
# We may install in a CPU model based directory but this is still
# a go32 based bsp.
RTEMS_BSP=go32
# This contains the compiler options necessary to select the CPU model
# and (hopefully) optimize for it.
#
# NOTE: As gcc grows to include more options, this section should also grow.
#
ifeq ($(RTEMS_CPU_MODEL),i486dx)
CPU_CFLAGS = -m486
else
ifeq ($(RTEMS_CPU_MODEL),pentium)
CPU_CFLAGS = -m486
else
CPU_CFLAGS =
endif # pentium
endif # i486dx
# optimize flag: typically -0, could use -O4 or -fast
# -O4 is ok for RTEMS
# -fomit-frame-pointer breaks debugging and C++ exceptions
CFLAGS_OPTIMIZE_V=-O4
# Base name of start file
# go32 does not use the rtems start file
START_BASE=
# This section makes the target dependent options file.
# NDEBUG (C library)
# if defined asserts do not generate code. This is commonly used
# as a command line option.
#
# RTEMS_TEST_NO_PAUSE (RTEMS tests)
# do not pause between screens of output in the rtems tests
#
# RTEMS_DEBUG (RTEMS)
# If defined, debug checks in RTEMS and support library code are enabled.
define make-target-options
@echo "/* #define NDEBUG 1 */ " >>$@
@echo "#define RTEMS_TEST_NO_PAUSE 1" >>$@
@echo "/* #define RTEMS_DEBUG 1 */" >>$@
endef
# Ultimately, it would be nice to do this when in a cross environment:
# $(COFF2EXE) $(basename $@).out
# The following are definitions of make-exe which will work using ld as
# is currently required. It is expected that as of gcc 2.8, the end user
# will be able to override parts of the compilers specs and link using gcc.
# may need to reference libpc.a
ifeq ($(RTEMS_USE_GCC272),yes)
define make-exe
$(LD) $(LDFLAGS) -N -o $(basename $@).exe \
$(shell $(CC) $(CPU_CFLAGS) -print-file-name=crt0.o) \
$(LINK_OBJS) --start-group $(LINK_LIBS) --end-group \
$(shell $(CC) $(CPU_CFLAGS) -print-file-name=libcgo32.a $(GCCSED)) \
$(shell $(CC) $(CPU_CFLAGS) -print-file-name=libpc.a $(GCCSED))
$(NM) -g -n $(basename $@).exe > $(basename $@).num
$(SIZE) $(basename $@).exe
endef
else
define make-exe
$(CC) $(CPPFLAGS) $(CFLAGS) $(CFLAGS_LD) -o $(basename $@).exe \
$(LINK_OBJS) $(LINK_LIBS)
$(NM) -g -n $(basename $@).exe > $(basename $@).num
$(SIZE) $(basename $@).exe
endef
endif
# Miscellaneous additions go here
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