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# Makefile for the Sparc boot stuff.
#
# Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
# Copyright (C) 1997,1998 Jakub Jelinek (jj@ultra.linux.cz)
ROOT_IMG := /usr/src/root.img
ELFTOAOUT := elftoaout
hostprogs-y := piggyback btfixupprep
targets := tftpboot.img btfix.o btfix.S image
quiet_cmd_elftoaout = ELFTOAOUT $@
cmd_elftoaout = $(ELFTOAOUT) $(obj)/image -o $@
quiet_cmd_piggy = PIGGY $@
cmd_piggy = $(obj)/piggyback $@ $(obj)/System.map $(ROOT_IMG)
quiet_cmd_btfix = BTFIX $@
cmd_btfix = $(OBJDUMP) -x vmlinux | $(obj)/btfixupprep > $@
quiet_cmd_sysmap = SYSMAP $(obj)/System.map
cmd_sysmap = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap
quiet_cmd_image = LD $@
cmd_image = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LDFLAGS_$(@F)) -o $@
define rule_image
$(if $($(quiet)cmd_image), \
echo ' $($(quiet)cmd_image)' &&) \
$(cmd_image); \
$(if $($(quiet)cmd_sysmap), \
echo ' $($(quiet)cmd_sysmap)' &&) \
$(cmd_sysmap) $@ $(obj)/System.map; \
if [ $$? -ne 0 ]; then \
rm -f $@; \
/bin/false; \
fi; \
echo 'cmd_$@ := $(cmd_image)' > $(@D)/.$(@F).cmd
endef
BTOBJS := $(HEAD_Y) $(INIT_Y)
BTLIBS := $(CORE_Y) $(LIBS_Y) $(DRIVERS_Y) $(NET_Y)
LDFLAGS_image := -T arch/sparc/kernel/vmlinux.lds $(BTOBJS) \
--start-group $(BTLIBS) --end-group \
$(kallsyms.o) $(obj)/btfix.o
# Link the final image including btfixup'ed symbols.
# This is a replacement for the link done in the top-level Makefile.
# Note: No dependency on the prerequisite files since that would require
# make to try check if they are updated - and due to changes
# in gcc options (path for example) this would result in
# these files being recompiled for each build.
$(obj)/image: $(obj)/btfix.o FORCE
$(call if_changed_rule,image)
$(obj)/tftpboot.img: $(obj)/piggyback $(obj)/System.map $(obj)/image FORCE
$(call if_changed,elftoaout)
$(call if_changed,piggy)
$(obj)/btfix.S: $(obj)/btfixupprep vmlinux FORCE
$(call if_changed,btfix)
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