Import of Linux/MIPS 2.1.14

1 files changed, 203 insertions, 0 deletions

diff --git a/Rules.make b/Rules.make
new file mode 100644
index 000000000..0d429a30d
--- /dev/null
+++ b/Rules.make
@@ -0,0 +1,203 @@
+#
+# This file contains rules which are shared between multiple Makefiles.
+#
+
+#
+# False targets.
+#
+.PHONY: dummy
+
+#
+# Special variables which should not be exported
+#
+unexport EXTRA_ASFLAGS
+unexport EXTRA_CFLAGS
+unexport EXTRA_LDFLAGS
+unexport EXTRA_ARFLAGS
+unexport SUBDIRS
+unexport SUB_DIRS
+unexport ALL_SUB_DIRS
+unexport MOD_SUB_DIRS
+unexport O_TARGET
+unexport O_OBJS
+unexport L_OBJS
+unexport M_OBJS
+unexport ALL_MOBJS
+# objects that export symbol tables
+unexport OX_OBJS
+unexport LX_OBJS
+unexport MX_OBJS
+unexport SYMTAB_OBJS
+
+unexport MOD_LIST_NAME
+
+#
+# Get things started.
+#
+first_rule: sub_dirs
+	$(MAKE) all_targets
+
+#
+# Common rules
+#
+
+%.s: %.c
+	$(CC) $(CFLAGS) $(EXTRA_CFLAGS) -S $< -o $@
+
+%.o: %.c
+	$(CC) $(CFLAGS) $(EXTRA_CFLAGS) -c -o $@ $<
+
+%.o: %.s
+	$(AS) $(ASFLAGS) $(EXTRA_CFLAGS) -o $@ $<
+
+#
+#
+#
+all_targets: $(O_TARGET) $(L_TARGET)
+
+#
+# Rule to compile a set of .o files into one .o file
+#
+ifdef O_TARGET
+ALL_O = $(OX_OBJS) $(O_OBJS)
+$(O_TARGET): $(ALL_O) $(TOPDIR)/include/linux/config.h
+	rm -f $@
+ifneq "$(strip $(ALL_O))" ""
+	$(LD) $(EXTRA_LDFLAGS) -r -o $@ $(ALL_O)
+else
+	$(AR) rcs $@
+endif
+endif
+
+#
+# Rule to compile a set of .o files into one .a file
+#
+ifdef L_TARGET
+$(L_TARGET): $(LX_OBJS) $(L_OBJS) $(TOPDIR)/include/linux/config.h
+	rm -f $@
+	$(AR) $(EXTRA_ARFLAGS) rcs $@ $(LX_OBJS) $(L_OBJS)
+endif
+
+#
+# This make dependencies quickly
+#
+fastdep: dummy
+	if [ -n "$(wildcard *.[chS])" ]; then \
+	$(TOPDIR)/scripts/mkdep *.[chS] > .depend; fi
+ifdef ALL_SUB_DIRS
+	set -e; for i in $(ALL_SUB_DIRS); do $(MAKE) -C $$i fastdep; done
+endif
+
+#
+# A rule to make subdirectories
+#
+sub_dirs: dummy
+ifdef SUB_DIRS
+	set -e; for i in $(SUB_DIRS); do $(MAKE) -C $$i; done
+endif
+
+#
+# A rule to make modules
+#
+ALL_MOBJS = $(MX_OBJS) $(M_OBJS)
+ifneq "$(strip $(ALL_MOBJS))" ""
+PDWN=$(shell $(CONFIG_SHELL) $(TOPDIR)/scripts/pathdown.sh)
+endif
+modules: $(ALL_MOBJS) dummy
+ifdef MOD_SUB_DIRS
+	set -e; for i in $(MOD_SUB_DIRS); do $(MAKE) -C $$i modules; done
+endif
+ifneq "$(strip $(MOD_LIST_NAME))" ""
+	rm -f $$TOPDIR/modules/$(MOD_LIST_NAME)
+ifdef MOD_SUB_DIRS
+	for i in $(MOD_SUB_DIRS); do \
+	    echo `basename $$i`.o >> $$TOPDIR/modules/$(MOD_LIST_NAME); done
+endif
+ifneq "$(strip $(ALL_MOBJS))" ""
+	echo $(ALL_MOBJS) >> $$TOPDIR/modules/$(MOD_LIST_NAME)
+endif
+endif
+ifneq "$(strip $(ALL_MOBJS))" ""
+	echo $(PDWN)
+	cd $$TOPDIR/modules; for i in $(ALL_MOBJS); do \
+	    ln -sf ../$(PDWN)/$$i .; done
+endif
+
+#
+# A rule to do nothing
+#
+dummy:
+
+#
+# This is useful for testing
+#
+script:
+	$(SCRIPT)
+
+#
+# This sets version suffixes on exported symbols
+# Uses SYMTAB_OBJS
+# Separate the object into "normal" objects and "exporting" objects
+# Exporting objects are: all objects that define symbol tables
+#
+ifdef CONFIG_MODVERSIONS
+SYMTAB_OBJS = $(LX_OBJS) $(OX_OBJS) $(MX_OBJS)
+ifneq "$(strip $(SYMTAB_OBJS))" ""
+
+MODINCL = $(TOPDIR)/include/linux/modules
+
+# The -w option (enable warnings) for /bin/genksyms will return here in 2.1
+$(MODINCL)/%.ver: %.c
+	@if [ ! -x /sbin/genksyms ]; then echo "Please read: Documentation/modules.txt"; fi
+	$(CC) $(CFLAGS) -E -D__GENKSYMS__ $< | /sbin/genksyms $(MODINCL)
+
+$(addprefix $(MODINCL)/,$(SYMTAB_OBJS:.o=.ver)): $(TOPDIR)/include/linux/autoconf.h
+
+$(TOPDIR)/include/linux/modversions.h: $(addprefix $(MODINCL)/,$(SYMTAB_OBJS:.o=.ver))
+	@echo updating $(TOPDIR)/include/linux/modversions.h
+	@(echo "#ifdef MODVERSIONS";\
+	echo "#undef  CONFIG_MODVERSIONS";\
+	echo "#define CONFIG_MODVERSIONS";\
+	echo "#ifndef _set_ver";\
+	echo "#define _set_ver(sym,vers) sym ## _R ## vers";\
+	echo "#endif";\
+	cd $(TOPDIR)/include/linux/modules; for f in *.ver;\
+	do echo "#include <linux/modules/$${f}>"; done; \
+	echo "#undef  CONFIG_MODVERSIONS";\
+	echo "#endif") \
+	> $(TOPDIR)/include/linux/modversions.h
+
+$(MX_OBJS): $(TOPDIR)/include/linux/modversions.h
+	$(CC) $(CFLAGS) -DEXPORT_SYMTAB -c $(@:.o=.c)
+
+$(LX_OBJS) $(OX_OBJS): $(TOPDIR)/include/linux/modversions.h
+	$(CC) $(CFLAGS) -DMODVERSIONS -DEXPORT_SYMTAB -c $(@:.o=.c)
+
+dep fastdep: $(TOPDIR)/include/linux/modversions.h
+
+endif
+$(M_OBJS): $(TOPDIR)/include/linux/modversions.h
+ifdef MAKING_MODULES
+$(O_OBJS) $(L_OBJS): $(TOPDIR)/include/linux/modversions.h
+endif
+# This is needed to ensure proper dependency for multipart modules such as
+# fs/ext.o.  (Otherwise, not all subobjects will be recompiled when
+# version information changes.)
+
+else
+
+$(TOPDIR)/include/linux/modversions.h:
+	@touch $(TOPDIR)/include/linux/modversions.h
+
+endif
+
+#
+# include dependency files they exist
+#
+ifeq (.depend,$(wildcard .depend))
+include .depend
+endif
+
+ifeq ($(TOPDIR)/.hdepend,$(wildcard $(TOPDIR)/.hdepend))
+include $(TOPDIR)/.hdepend
+endif