From 08330bf0be8fed443402ffd1664b2ca4d16b6f8e Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Thu, 27 Jul 2000 01:04:11 +0000 Subject: Port of RTEMS to the ARM processor family by Eric Valette and Emmanuel Raguet of Canon CRF - Communication Dept. This port includes a basic BSP that is sufficient to link hello world. --- make/custom/arm_bare_bsp.cfg | 95 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 make/custom/arm_bare_bsp.cfg (limited to 'make/custom') diff --git a/make/custom/arm_bare_bsp.cfg b/make/custom/arm_bare_bsp.cfg new file mode 100644 index 0000000000..9b178f00ba --- /dev/null +++ b/make/custom/arm_bare_bsp.cfg @@ -0,0 +1,95 @@ +# +# Config file for ARM BOARD -- +# +# $Id$ +# + +include $(RTEMS_ROOT)/make/custom/default.cfg + +RTEMS_CPU=arm +RTEMS_CPU_MODEL=arm7tdmi +#RTEMS_PPC_EXCEPTION_PROCESSING_MODEL=new + +# This is the actual bsp directory used during the build process. +RTEMS_BSP_FAMILY=arm_bare_bsp + +# This section makes the target dependent options file. + +# NDEBUG (C library) +# if defined asserts do not generate code. This is commonly used +# as a command line option. +# +# RTEMS_TEST_NO_PAUSE (RTEMS tests) +# do not pause between screens of output in the rtems tests +# +# RTEMS_DEBUG (RTEMS) +# If defined, debug checks in RTEMS and support library code are enabled. +# + +define make-target-options + @echo "/* #define NDEBUG 1 */ " >>$@ + @echo "#define RTEMS_TEST_NO_PAUSE 1" >>$@ + @echo "/* #define RTEMS_DEBUG 1 */" >>$@ +endef + +# This contains the compiler options necessary to select the CPU model +# and (hopefully) optimize for it. +# +# NOTE : cheking egcc 1.1.1 source code shows that the last know processor +# is the 604 model and that this is the default generation option. +# +#CPU_CFLAGS = -mcpu=arm7tdmi +CPU_CFLAGS = + +# optimize flag: typically -0, could use -O4 or -fast +# -O4 is ok for RTEMS +# NOTE2: some level of -O may be actually required by inline assembler (at least +# -O2 so far. +# NOTE2 Apparently nobody really knows the status or r2 and r13. +# As far as I know, small data are pointer impose a very specific compliation +# model => not used. +# Currently the sdata2 and sbss2 sections are empty => r2 is not used... +CFLAGS_OPTIMIZE_V= +#CFLAGS_OPTIMIZE_V=-O4 -mmultiple -mstring -mstrict-align +#CFLAGS_OPTIMIZE_V=-O4 -fno-keep-inline-functions -fvolatile-global -fvolatile -mstrict-align -mcpu=750 + +# debug flags: typically none, but at least -O1 is required due to this +# BSP using inlined code +CFLAGS_DEBUG_V = -O1 +#CFLAGS_DEBUG_V = -O1 -mmultiple -mstring -mstrict-align + + +# The following is a ld command file which works without using the +# -specs system in gcc 2.8. IT HAS NEVER BEEN TESTED WITH THIS BSP!!! +# $(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) + +# $(CC) -mmvme -mrtems -nostartfiles -mcpu=603 \ +# -o $(basename $@).exe -L $(PROJECT_RELEASE)/lib \ +# $(START_FILE) $(LINK_OBJS) \ +# $(LD_LIBS) \ +# -Wl,-\( -Wl,-lc -Wl,-lrtemsall -Wl,-lgcc -Wl,-\) + +define make-exe + $(CC) -v -static -Wl,-Map -Wl,Mapfile -Wl,-T -Wl,linkcmds -Wl,-N -o $(basename $@).obj $(LINK_OBJS) $(LINK_LIBS) +# $(LINK.c) $(LDLIBS) -o $@ $(LINK_OBJS) $(LINK_LIBS) + $(OBJCOPY) -O binary \ + --only-section=.text \ + --only-section=.data \ + --only-section=.rodata \ + --strip-unneeded $(basename $@).obj $(basename $@).bin + $(NM) -g -n $(basename $@).obj > $(basename $@).num + $(SIZE) $(basename $@).obj + test -d ${PROJECT_RELEASE}/bin || mkdir ${PROJECT_RELEASE}/bin + f=`basename $@ .exe`; \ + cp $(basename $@).bin $(basename $@).exe + cp $(basename $@).bin ${PROJECT_RELEASE}/bin/$${f}$(LIB_VARIANT).exe + +endef + +# Miscellaneous additions go here + +# Let the HWAPI know which set of drivers to build +#DRIVER_ARCHITECTURE=compactpci -- cgit v1.2.3