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 6ROOT_IMG := /usr/src/root.img 7ELFTOAOUT := elftoaout 8 9hostprogs-y := piggyback_32 piggyback_64 btfixupprep 10targets := tftpboot.img btfix.o btfix.S image zImage vmlinux.aout 11clean-files := System.map 12 13quiet_cmd_elftoaout = ELFTOAOUT $@ 14 cmd_elftoaout = $(ELFTOAOUT) $(obj)/image -o $@ 15 16ifeq ($(CONFIG_SPARC32),y) 17quiet_cmd_piggy = PIGGY $@ 18 cmd_piggy = $(obj)/piggyback_32 $@ System.map $(ROOT_IMG) 19quiet_cmd_btfix = BTFIX $@ 20 cmd_btfix = $(OBJDUMP) -x vmlinux | $(obj)/btfixupprep > $@ 21quiet_cmd_sysmap = SYSMAP $(obj)/System.map 22 cmd_sysmap = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap 23quiet_cmd_image = LD $@ 24 cmd_image = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LDFLAGS_$(@F)) -o $@ 25quiet_cmd_strip = STRIP $@ 26 cmd_strip = $(STRIP) -R .comment -R .note -K sun4u_init -K _end -K _start $(obj)/image -o $@ 27 28 29define rule_image 30 $(if $($(quiet)cmd_image), \ 31 echo ' $($(quiet)cmd_image)' &&) \ 32 $(cmd_image); \ 33 $(if $($(quiet)cmd_sysmap), \ 34 echo ' $($(quiet)cmd_sysmap)' &&) \ 35 $(cmd_sysmap) $@ $(obj)/System.map; \ 36 if [ $$? -ne 0 ]; then \ 37 rm -f $@; \ 38 /bin/false; \ 39 fi; \ 40 echo 'cmd_$@ := $(cmd_image)' > $(@D)/.$(@F).cmd 41endef 42 43BTOBJS := $(patsubst %/, %/built-in.o, $(VMLINUX_INIT)) 44BTLIBS := $(patsubst %/, %/built-in.o, $(VMLINUX_MAIN)) 45LDFLAGS_image := -T arch/sparc/kernel/vmlinux.lds $(BTOBJS) \ 46 --start-group $(BTLIBS) --end-group \ 47 $(kallsyms.o) $(obj)/btfix.o 48 49# Link the final image including btfixup'ed symbols. 50# This is a replacement for the link done in the top-level Makefile. 51# Note: No dependency on the prerequisite files since that would require 52# make to try check if they are updated - and due to changes 53# in gcc options (path for example) this would result in 54# these files being recompiled for each build. 55$(obj)/image: $(obj)/btfix.o FORCE 56 $(call if_changed_rule,image) 57 58$(obj)/zImage: $(obj)/image 59 $(call if_changed,strip) 60 61$(obj)/tftpboot.img: $(obj)/image $(obj)/piggyback_32 System.map $(ROOT_IMG) FORCE 62 $(call if_changed,elftoaout) 63 $(call if_changed,piggy) 64 65$(obj)/btfix.S: $(obj)/btfixupprep vmlinux FORCE 66 $(call if_changed,btfix) 67 68endif 69 70ifeq ($(CONFIG_SPARC64),y) 71quiet_cmd_piggy = PIGGY $@ 72 cmd_piggy = $(obj)/piggyback_64 $@ System.map $(ROOT_IMG) 73quiet_cmd_strip = STRIP $@ 74 cmd_strip = $(STRIP) -R .comment -R .note -K sun4u_init -K _end -K _start vmlinux -o $@ 75 76 77# Actual linking 78$(obj)/image: vmlinux FORCE 79 $(call if_changed,strip) 80 @echo ' kernel: $@ is ready' 81 82$(obj)/zImage: $(obj)/image 83 $(call if_changed,gzip) 84 85$(obj)/tftpboot.img: $(obj)/image $(obj)/piggyback_64 System.map $(ROOT_IMG) FORCE 86 $(call if_changed,elftoaout) 87 $(call if_changed,piggy) 88 @echo ' kernel: $@ is ready' 89 90$(obj)/vmlinux.aout: vmlinux FORCE 91 $(call if_changed,elftoaout) 92 @echo ' kernel: $@ is ready' 93endif 94