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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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