1 # Makefile for the Sparc boot stuff.
3 # Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
4 # Copyright (C) 1997,1998 Jakub Jelinek (jj@ultra.linux.cz)
6 ROOT_IMG := /usr/src/root.img
9 hostprogs-y := piggyback_32 piggyback_64 btfixupprep
10 targets := tftpboot.img btfix.o btfix.S image zImage vmlinux.aout
11 clean-files := System.map
13 quiet_cmd_elftoaout = ELFTOAOUT $@
14 cmd_elftoaout = $(ELFTOAOUT) $(obj)/image -o $@
16 ifeq ($(CONFIG_SPARC32),y)
17 quiet_cmd_piggy = PIGGY $@
18 cmd_piggy = $(obj)/piggyback_32 $@ $(obj)/System.map $(ROOT_IMG)
19 quiet_cmd_btfix = BTFIX $@
20 cmd_btfix = $(OBJDUMP) -x vmlinux | $(obj)/btfixupprep > $@
21 quiet_cmd_sysmap = SYSMAP $(obj)/System.map
22 cmd_sysmap = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap
23 quiet_cmd_image = LD $@
24 cmd_image = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LDFLAGS_$(@F)) -o $@
25 quiet_cmd_strip = STRIP $@
26 cmd_strip = $(STRIP) -R .comment -R .note -K sun4u_init -K _end -K _start $(obj)/image -o $@
30 $(if $($(quiet)cmd_image), \
31 echo ' $($(quiet)cmd_image)' &&) \
33 $(if $($(quiet)cmd_sysmap), \
34 echo ' $($(quiet)cmd_sysmap)' &&) \
35 $(cmd_sysmap) $@ $(obj)/System.map; \
36 if [ $$? -ne 0 ]; then \
40 echo 'cmd_$@ := $(cmd_image)' > $(@D)/.$(@F).cmd
43 BTOBJS := $(patsubst %/, %/built-in.o, $(VMLINUX_INIT))
44 BTLIBS := $(patsubst %/, %/built-in.o, $(VMLINUX_MAIN))
45 LDFLAGS_image := -T arch/sparc/kernel/vmlinux.lds $(BTOBJS) \
46 --start-group $(BTLIBS) --end-group \
47 $(kallsyms.o) $(obj)/btfix.o
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)
58 $(obj)/zImage: $(obj)/image
59 $(call if_changed,strip)
61 $(obj)/tftpboot.img: $(obj)/piggyback $(obj)/System.map $(obj)/image FORCE
62 $(call if_changed,elftoaout)
63 $(call if_changed,piggy)
65 $(obj)/btfix.S: $(obj)/btfixupprep vmlinux FORCE
66 $(call if_changed,btfix)
70 ifeq ($(CONFIG_SPARC64),y)
71 quiet_cmd_piggy = PIGGY $@
72 cmd_piggy = $(obj)/piggyback_64 $@ System.map $(ROOT_IMG)
73 quiet_cmd_strip = STRIP $@
74 cmd_strip = $(STRIP) -R .comment -R .note -K sun4u_init -K _end -K _start vmlinux -o $@
78 $(obj)/image: vmlinux FORCE
79 $(call if_changed,strip)
80 @echo ' kernel: $@ is ready'
82 $(obj)/tftpboot.img: vmlinux $(obj)/piggyback_64 System.map $(ROOT_IMG) FORCE
83 $(call if_changed,elftoaout)
84 $(call if_changed,piggy)
85 @echo ' kernel: $@ is ready'
87 $(obj)/vmlinux.aout: vmlinux FORCE
88 $(call if_changed,elftoaout)
89 @echo ' kernel: $@ is ready'