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unneback |
#
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# Config file for a PowerPC 403 based helas403 card
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#
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# $Id: helas403.cfg,v 1.2 2001-09-27 12:02:52 chris Exp $
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#
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# this is derived from:
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#
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# Config file for a PowerPC 403 based papyrus card
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#
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# Id: papyrus.cfg,v 1.7 1998/06/27 17:09:47 joel Exp
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#
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include $(RTEMS_ROOT)/make/custom/default.cfg
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RTEMS_CPU=powerpc
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RTEMS_CPU_MODEL=ppc403
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# This is the actual bsp directory used during the build process.
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RTEMS_BSP_FAMILY=helas403
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# This section makes the target dependent options file.
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# NDEBUG (C library)
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# if defined asserts do not generate code. This is commonly used
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# as a command line option.
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#
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# RTEMS_TEST_NO_PAUSE (RTEMS tests)
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# do not pause between screens of output in the rtems tests
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#
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# RTEMS_DEBUG (RTEMS)
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# If defined, debug checks in RTEMS and support library code are enabled.
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#
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#
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# PPC_VECTOR_FILE_BASE (PowerPC)
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# This defines the base address of the exception table.
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# NOTE: Vectors are actually at 0xFFF00000 but file starts at offset 0x0100
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#
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# PPC_USE_SPRG (RTEMS PowerPC port)
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# If defined, then the PowerPC specific code in RTEMS will use some
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# of the special purpose registers to slightly optimize interrupt
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# response time. The use of these registers can conflict with
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# other tools like debuggers.
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define make-target-options
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@echo "/* #define NDEBUG 1 */ " >>$@
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@echo "#define RTEMS_TEST_NO_PAUSE 1" >>$@
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@echo "/* #define RTEMS_DEBUG 1 */" >>$@
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@echo "#define PPC_VECTOR_FILE_BASE 0x0100" >>$@
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@echo "#define PPC_USE_SPRG 1" >>$@
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endef
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# This contains the compiler options necessary to select the CPU model
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# and (hopefully) optimize for it.
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#
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CPU_CFLAGS = -mcpu=403
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# optimize flag: typically -0, could use -O4 or -fast
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# -O4 is ok for RTEMS
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# NOTE: some level of -O may be actually required by inline assembler
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CFLAGS_OPTIMIZE_V=-O4 -fno-keep-inline-functions
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# No start file
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START_BASE=
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# The following are definitions of make-exe which will work using ld as
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# is currently required. It is expected that as of gcc 2.8, the end user
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# will be able to override parts of the compilers specs and link using gcc.
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ifeq ($(RTEMS_USE_GCC272),yes)
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# The --defsym arguments define arguments which are required by the linkcmds
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# file which is designed for gcc 2.8
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define make-exe
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$(LD) $(XLDFLAGS) -T $(LINKCMDS) \
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--defsym __fini=0 --defsym __init=0 \
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-o $@ -u atexit -u __vectors -u download_entry \
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$(START_FILE) $(LINK_OBJS) --start-group $(LINK_LIBS) --end-group
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$(NM) -g -n $@ > $(basename $@).num
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$(SIZE) $@
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endef
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else
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define make-exe
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$(LINK.c) $(AM_CFLAGS) $(AM_LDFLAGS) -o $(basename $@).exe \
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$(LINK_OBJS) $(LINK_LIBS)
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$(NM) -g -n $@ > $(basename $@).num
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$(SIZE) $@
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endef
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endif
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# Miscellaneous additions go here
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