Commit | Line | Data |
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1da177e4 LT |
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 | ||
a8c601ca SR |
9 | hostprogs-y := piggyback_32 piggyback_64 btfixupprep |
10 | targets := tftpboot.img btfix.o btfix.S image zImage vmlinux.aout | |
c4893269 | 11 | clean-files := System.map |
1da177e4 LT |
12 | |
13 | quiet_cmd_elftoaout = ELFTOAOUT $@ | |
14 | cmd_elftoaout = $(ELFTOAOUT) $(obj)/image -o $@ | |
a8c601ca SR |
15 | |
16 | ifeq ($(CONFIG_SPARC32),y) | |
1da177e4 | 17 | quiet_cmd_piggy = PIGGY $@ |
3e05c5e2 | 18 | cmd_piggy = $(obj)/piggyback_32 $@ System.map $(ROOT_IMG) |
1da177e4 LT |
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 $@ | |
349101da MH |
25 | quiet_cmd_strip = STRIP $@ |
26 | cmd_strip = $(STRIP) -R .comment -R .note -K sun4u_init -K _end -K _start $(obj)/image -o $@ | |
27 | ||
1da177e4 LT |
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 | ||
db5ea21a SR |
43 | BTOBJS := $(patsubst %/, %/built-in.o, $(VMLINUX_INIT)) |
44 | BTLIBS := $(patsubst %/, %/built-in.o, $(VMLINUX_MAIN)) | |
1da177e4 LT |
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 | ||
349101da MH |
58 | $(obj)/zImage: $(obj)/image |
59 | $(call if_changed,strip) | |
60 | ||
8944146d | 61 | $(obj)/tftpboot.img: $(obj)/image $(obj)/piggyback_32 System.map $(ROOT_IMG) FORCE |
1da177e4 LT |
62 | $(call if_changed,elftoaout) |
63 | $(call if_changed,piggy) | |
64 | ||
65 | $(obj)/btfix.S: $(obj)/btfixupprep vmlinux FORCE | |
66 | $(call if_changed,btfix) | |
a8c601ca SR |
67 | |
68 | endif | |
69 | ||
70 | ifeq ($(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 $@ | |
75 | ||
76 | ||
77 | # Actual linking | |
78 | $(obj)/image: vmlinux FORCE | |
79 | $(call if_changed,strip) | |
80 | @echo ' kernel: $@ is ready' | |
81 | ||
48e46b7b JS |
82 | $(obj)/zImage: $(obj)/image |
83 | $(call if_changed,gzip) | |
84 | ||
8944146d | 85 | $(obj)/tftpboot.img: $(obj)/image $(obj)/piggyback_64 System.map $(ROOT_IMG) FORCE |
a8c601ca SR |
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' | |
93 | endif | |
94 |