| # $Id: Makefile,v 1.10 2000/02/23 08:17:46 jj Exp $ | |
| # 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) |