Added i960sim BSP which (ignoring the 3 instructions not supported

by gdb 5.0's i960 simulator) is enough to run hello world.

make/custom/i960sim.cfg

@@ -0,0 +1,67 @@
+#
+#  Config file for the i960 simulator in gdb
+#
+#  $Id$
+#
+
+include $(RTEMS_ROOT)/make/custom/default.cfg
+
+RTEMS_CPU=i960
+RTEMS_CPU_MODEL=i960gdbsim
+
+# This is the actual bsp directory used during the build process.
+RTEMS_BSP_FAMILY=i960sim
+
+#  This contains the compiler options necessary to select the CPU model
+#  and (hopefully) optimize for it. 
+#
+CPU_CFLAGS=-mka -g
+
+# optimize flag: typically -0, could use -O4 or -fast
+# -O4 is ok for RTEMS
+# CFLAGS_OPTIMIZE_V=-O4 -mleaf-procedures
+CFLAGS_OPTIMIZE_V=-O0 -g
+
+#  This section makes the target dependent options file.
+
+#  NDEBUG (C library)
+#     if defined asserts do not generate code.  This is commonly used
+#     as a command line option.
+#
+#  RTEMS_TEST_NO_PAUSE (RTEMS tests)
+#     do not pause between screens of output in the rtems tests
+#
+#  RTEMS_DEBUG (RTEMS)
+#     If defined, debug checks in RTEMS and support library code are enabled.
+
+define make-target-options
+	@echo "/* #define NDEBUG 1 */ "                     >>$@
+	@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)
+
+define make-exe
+	$(LD) -u _sbrk $(LDFLAGS) -N -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) \
+	    $(LDLIBS) -o $@ \
+	    $(LINK_OBJS) $(LINK_LIBS)
+	$(NM) -g -n $@ > $(basename $@).num
+	$(SIZE) $@
+endef
+endif
+
+# Miscellaneous additions go here
+