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 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 $@
15 quiet_cmd_piggy = PIGGY $@
16 cmd_piggy = $(obj)/piggyback $(BITS) $@ System.map $(ROOT_IMG)
17 quiet_cmd_strip = STRIP $@
18 cmd_strip = $(STRIP) -R .comment -R .note -K sun4u_init -K _end -K _start $< -o $@
20 ifeq ($(CONFIG_SPARC32),y)
21 quiet_cmd_btfix = BTFIX $@
22 cmd_btfix = $(OBJDUMP) -x vmlinux | $(obj)/btfixupprep > $@
23 quiet_cmd_sysmap = SYSMAP $(obj)/System.map
24 cmd_sysmap = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap
25 quiet_cmd_image = LD $@
26 cmd_image = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LDFLAGS_$(@F)) -o $@
29 $(if $($(quiet)cmd_image), \
30 echo ' $($(quiet)cmd_image)' &&) \
32 $(if $($(quiet)cmd_sysmap), \
33 echo ' $($(quiet)cmd_sysmap)' &&) \
34 $(cmd_sysmap) $@ $(obj)/System.map; \
35 if [ $$? -ne 0 ]; then \
39 echo 'cmd_$@ := $(cmd_image)' > $(@D)/.$(@F).cmd
42 BTOBJS := $(patsubst %/, %/built-in.o, $(VMLINUX_INIT))
43 BTLIBS := $(patsubst %/, %/built-in.o, $(VMLINUX_MAIN))
44 LDFLAGS_image := -T arch/sparc/kernel/vmlinux.lds $(BTOBJS) \
45 --start-group $(BTLIBS) --end-group \
46 $(kallsyms.o) $(obj)/btfix.o
48 # Link the final image including btfixup'ed symbols.
49 # This is a replacement for the link done in the top-level Makefile.
50 # Note: No dependency on the prerequisite files since that would require
51 # make to try check if they are updated - and due to changes
52 # in gcc options (path for example) this would result in
53 # these files being recompiled for each build.
54 $(obj)/image: $(obj)/btfix.o FORCE
55 $(call if_changed_rule,image)
57 $(obj)/zImage: $(obj)/image
58 $(call if_changed,strip)
59 @echo ' kernel: $@ is ready'
61 $(obj)/btfix.S: $(obj)/btfixupprep vmlinux FORCE
62 $(call if_changed,btfix)
66 ifeq ($(CONFIG_SPARC64),y)
69 $(obj)/image: vmlinux FORCE
70 $(call if_changed,strip)
71 @echo ' kernel: $@ is ready'
73 $(obj)/zImage: $(obj)/image
74 $(call if_changed,gzip)
75 @echo ' kernel: $@ is ready'
77 $(obj)/vmlinux.aout: vmlinux FORCE
78 $(call if_changed,elftoaout)
79 @echo ' kernel: $@ is ready'
82 # The following lines make a readable image for U-Boot.
83 # uImage - Binary file read by U-boot
84 # uImage.o - object file of uImage for loading with a
85 # flash programmer understanding ELF.
87 OBJCOPYFLAGS_image.bin := -S -O binary -R .note -R .comment
88 $(obj)/image.bin: $(obj)/image FORCE
89 $(call if_changed,objcopy)
91 $(obj)/image.gz: $(obj)/image.bin
92 $(call if_changed,gzip)
94 UIMAGE_LOADADDR = $(CONFIG_UBOOT_LOAD_ADDR)
95 UIMAGE_ENTRYADDR = $(CONFIG_UBOOT_ENTRY_ADDR)
96 UIMAGE_COMPRESSION = gzip
98 quiet_cmd_uimage.o = UIMAGE.O $@
99 cmd_uimage.o = $(LD) -Tdata $(CONFIG_UBOOT_FLASH_ADDR) \
100 -r -b binary $@ -o $@.o
103 $(obj)/uImage: $(obj)/image.gz
104 $(call if_changed,uimage)
105 $(call if_changed,uimage.o)
106 @echo ' Image $@ is ready'
110 $(obj)/tftpboot.img: $(obj)/image $(obj)/piggyback System.map $(ROOT_IMG) FORCE
111 $(call if_changed,elftoaout)
112 $(call if_changed,piggy)