>> 1 # Makefile for the Sparc boot stuff.
1 # 2 #
2 # arch/arm/boot/Makefile !! 3 # Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
3 # !! 4 # Copyright (C) 1997,1998 Jakub Jelinek (jj@ultra.linux.cz)
4 # This file is included by the global makefile <<
5 # architecture-specific flags and dependencies <<
6 # <<
7 # This file is subject to the terms and condit <<
8 # License. See the file "COPYING" in the main <<
9 # for more details. <<
10 # <<
11 # Copyright (C) 1995-2002 Russell King <<
12 # <<
13 OBJCOPYFLAGS :=-O binary -R .comment -S <<
14 <<
15 # ZRELADDR == virt_to_phys(PAGE_OFFSET + TEX <<
16 ifdef CONFIG_PHYS_OFFSET <<
17 add_hex = $(shell printf 0x%x $$(( $(1) + $(2) <<
18 ZRELADDR := $(call add_hex, $(CONFIG_PHYS_O <<
19 endif <<
20 <<
21 PHYS_OFFSET := $(CONFIG_PHYS_OFFSET) <<
22 export ZRELADDR PARAMS_PHYS PHYS_OFFSET <<
23 5
24 targets := Image zImage xipImage bootpImage uI !! 6 ROOT_IMG := /usr/src/root.img
>> 7 ELFTOAOUT := elftoaout
25 8
26 ifeq ($(CONFIG_XIP_KERNEL),y) !! 9 hostprogs-y := piggyback_32 piggyback_64 btfixupprep
>> 10 targets := tftpboot.img btfix.o btfix.S image zImage vmlinux.aout
>> 11 clean-files := System.map
>> 12
>> 13 quiet_cmd_elftoaout = ELFTOAOUT $@
>> 14 cmd_elftoaout = $(ELFTOAOUT) $(obj)/image -o $@
>> 15
>> 16 ifeq ($(CONFIG_SPARC32),y)
>> 17 quiet_cmd_piggy = PIGGY $@
>> 18 cmd_piggy = $(obj)/piggyback_32 $@ System.map $(ROOT_IMG)
>> 19 quiet_cmd_btfix = BTFIX $@
>> 20 cmd_btfix = $(OBJDUMP) -x vmlinux | $(obj)/btfixupprep > $@
>> 21 quiet_cmd_sysmap = SYSMAP $(obj)/System.map
>> 22 cmd_sysmap = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap
>> 23 quiet_cmd_image = LD $@
>> 24 cmd_image = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LDFLAGS_$(@F)) -o $@
>> 25 quiet_cmd_strip = STRIP $@
>> 26 cmd_strip = $(STRIP) -R .comment -R .note -K sun4u_init -K _end -K _start $(obj)/image -o $@
>> 27
>> 28
>> 29 define rule_image
>> 30 $(if $($(quiet)cmd_image), \
>> 31 echo ' $($(quiet)cmd_image)' &&) \
>> 32 $(cmd_image); \
>> 33 $(if $($(quiet)cmd_sysmap), \
>> 34 echo ' $($(quiet)cmd_sysmap)' &&) \
>> 35 $(cmd_sysmap) $@ $(obj)/System.map; \
>> 36 if [ $$? -ne 0 ]; then \
>> 37 rm -f $@; \
>> 38 /bin/false; \
>> 39 fi; \
>> 40 echo 'cmd_$@ := $(cmd_image)' > $(@D)/.$(@F).cmd
>> 41 endef
>> 42
>> 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
>> 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)
27 64
28 cmd_deflate_xip_data = $(CONFIG_SHELL) -c '$(s !! 65 $(obj)/btfix.S: $(obj)/btfixupprep vmlinux FORCE
>> 66 $(call if_changed,btfix)
29 67
30 ifeq ($(CONFIG_XIP_DEFLATED_DATA),y) <<
31 quiet_cmd_mkxip = XIPZ $@ <<
32 cmd_mkxip = $(cmd_objcopy) && $(cmd_deflate_xi <<
33 else <<
34 quiet_cmd_mkxip = $(quiet_cmd_objcopy) <<
35 cmd_mkxip = $(cmd_objcopy) <<
36 endif 68 endif
37 69
38 $(obj)/xipImage: vmlinux FORCE !! 70 ifeq ($(CONFIG_SPARC64),y)
39 $(call if_changed,mkxip) !! 71 quiet_cmd_piggy = PIGGY $@
40 @$(kecho) ' Physical Address of xipIm !! 72 cmd_piggy = $(obj)/piggyback_64 $@ System.map $(ROOT_IMG)
41 !! 73 quiet_cmd_strip = STRIP $@
42 $(obj)/Image $(obj)/zImage: FORCE !! 74 cmd_strip = $(STRIP) -R .comment -R .note -K sun4u_init -K _end -K _start vmlinux -o $@
43 @echo 'Kernel configured for XIP (CONF !! 75
44 @echo 'Only the xipImage target is ava !! 76
45 @false !! 77 # Actual linking
46 !! 78 $(obj)/image: vmlinux FORCE
47 else !! 79 $(call if_changed,strip)
48 !! 80 @echo ' kernel: $@ is ready'
49 $(obj)/xipImage: FORCE !! 81
50 @echo 'Kernel not configured for XIP ( !! 82 $(obj)/zImage: $(obj)/image
51 @false !! 83 $(call if_changed,gzip)
52 !! 84
53 $(obj)/Image: vmlinux FORCE !! 85 $(obj)/tftpboot.img: $(obj)/image $(obj)/piggyback_64 System.map $(ROOT_IMG) FORCE
54 $(call if_changed,objcopy) !! 86 $(call if_changed,elftoaout)
55 !! 87 $(call if_changed,piggy)
56 $(obj)/compressed/vmlinux: $(obj)/Image FORCE !! 88 @echo ' kernel: $@ is ready'
57 $(Q)$(MAKE) $(build)=$(obj)/compressed !! 89
58 !! 90 $(obj)/vmlinux.aout: vmlinux FORCE
59 $(obj)/zImage: $(obj)/compressed/vmlinux FORC !! 91 $(call if_changed,elftoaout)
60 $(call if_changed,objcopy) !! 92 @echo ' kernel: $@ is ready'
61 <<
62 endif 93 endif
63 94
64 ifneq ($(LOADADDR),) <<
65 UIMAGE_LOADADDR=$(LOADADDR) <<
66 else <<
67 ifeq ($(CONFIG_ZBOOT_ROM),y) <<
68 UIMAGE_LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT) <<
69 else <<
70 UIMAGE_LOADADDR=$(ZRELADDR) <<
71 endif <<
72 endif <<
73 <<
74 check_for_multiple_loadaddr = \ <<
75 if [ $(words $(UIMAGE_LOADADDR)) -ne 1 ]; then <<
76 echo 'multiple (or no) load addresses: <<
77 echo 'This is incompatible with uImage <<
78 echo 'Specify LOADADDR on the commandl <<
79 false; \ <<
80 fi <<
81 <<
82 $(obj)/uImage: $(obj)/zImage FORCE <<
83 @$(check_for_multiple_loadaddr) <<
84 $(call if_changed,uimage) <<
85 <<
86 $(obj)/bootp/bootp: $(obj)/zImage FORCE <<
87 $(Q)$(MAKE) $(build)=$(obj)/bootp $@ <<
88 <<
89 $(obj)/bootpImage: $(obj)/bootp/bootp FORCE <<
90 $(call if_changed,objcopy) <<
91 <<
92 subdir- := bootp compressed dts <<
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