| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | # Makefile for the Sparc boot stuff. |
| 2 | # |
| 3 | # Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) |
| 4 | # Copyright (C) 1997,1998 Jakub Jelinek (jj@ultra.linux.cz) |
| 5 | |
| 6 | ROOT_IMG := /usr/src/root.img |
| 7 | ELFTOAOUT := elftoaout |
| 8 | |
| 9 | hostprogs-y := piggyback btfixupprep |
| 10 | targets := tftpboot.img btfix.o btfix.S image |
| 11 | |
| 12 | quiet_cmd_elftoaout = ELFTOAOUT $@ |
| 13 | cmd_elftoaout = $(ELFTOAOUT) $(obj)/image -o $@ |
| 14 | quiet_cmd_piggy = PIGGY $@ |
| 15 | cmd_piggy = $(obj)/piggyback $@ $(obj)/System.map $(ROOT_IMG) |
| 16 | quiet_cmd_btfix = BTFIX $@ |
| 17 | cmd_btfix = $(OBJDUMP) -x vmlinux | $(obj)/btfixupprep > $@ |
| 18 | quiet_cmd_sysmap = SYSMAP $(obj)/System.map |
| 19 | cmd_sysmap = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap |
| 20 | quiet_cmd_image = LD $@ |
| 21 | cmd_image = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LDFLAGS_$(@F)) -o $@ |
| 22 | |
| 23 | define rule_image |
| 24 | $(if $($(quiet)cmd_image), \ |
| 25 | echo ' $($(quiet)cmd_image)' &&) \ |
| 26 | $(cmd_image); \ |
| 27 | $(if $($(quiet)cmd_sysmap), \ |
| 28 | echo ' $($(quiet)cmd_sysmap)' &&) \ |
| 29 | $(cmd_sysmap) $@ $(obj)/System.map; \ |
| 30 | if [ $$? -ne 0 ]; then \ |
| 31 | rm -f $@; \ |
| 32 | /bin/false; \ |
| 33 | fi; \ |
| 34 | echo 'cmd_$@ := $(cmd_image)' > $(@D)/.$(@F).cmd |
| 35 | endef |
| 36 | |
| 37 | BTOBJS := $(HEAD_Y) $(INIT_Y) |
| 38 | BTLIBS := $(CORE_Y) $(LIBS_Y) $(DRIVERS_Y) $(NET_Y) |
| 39 | LDFLAGS_image := -T arch/sparc/kernel/vmlinux.lds $(BTOBJS) \ |
| 40 | --start-group $(BTLIBS) --end-group \ |
| 41 | $(kallsyms.o) $(obj)/btfix.o |
| 42 | |
| 43 | # Link the final image including btfixup'ed symbols. |
| 44 | # This is a replacement for the link done in the top-level Makefile. |
| 45 | # Note: No dependency on the prerequisite files since that would require |
| 46 | # make to try check if they are updated - and due to changes |
| 47 | # in gcc options (path for example) this would result in |
| 48 | # these files being recompiled for each build. |
| 49 | $(obj)/image: $(obj)/btfix.o FORCE |
| 50 | $(call if_changed_rule,image) |
| 51 | |
| 52 | $(obj)/tftpboot.img: $(obj)/piggyback $(obj)/System.map $(obj)/image FORCE |
| 53 | $(call if_changed,elftoaout) |
| 54 | $(call if_changed,piggy) |
| 55 | |
| 56 | $(obj)/btfix.S: $(obj)/btfixupprep vmlinux FORCE |
| 57 | $(call if_changed,btfix) |