| # $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) |