Commit | Line | Data |
---|---|---|
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 | |
684151a7 | 8 | MKIMAGE := $(srctree)/scripts/mkuboot.sh |
1da177e4 | 9 | |
56818a6f | 10 | hostprogs-y := piggyback btfixupprep |
a8c601ca | 11 | targets := tftpboot.img btfix.o btfix.S image zImage vmlinux.aout |
c4893269 | 12 | clean-files := System.map |
1da177e4 LT |
13 | |
14 | quiet_cmd_elftoaout = ELFTOAOUT $@ | |
15 | cmd_elftoaout = $(ELFTOAOUT) $(obj)/image -o $@ | |
56818a6f SR |
16 | quiet_cmd_piggy = PIGGY $@ |
17 | cmd_piggy = $(obj)/piggyback $(BITS) $@ System.map $(ROOT_IMG) | |
9202db22 SR |
18 | quiet_cmd_strip = STRIP $@ |
19 | cmd_strip = $(STRIP) -R .comment -R .note -K sun4u_init -K _end -K _start $< -o $@ | |
a8c601ca SR |
20 | |
21 | ifeq ($(CONFIG_SPARC32),y) | |
1da177e4 LT |
22 | quiet_cmd_btfix = BTFIX $@ |
23 | cmd_btfix = $(OBJDUMP) -x vmlinux | $(obj)/btfixupprep > $@ | |
24 | quiet_cmd_sysmap = SYSMAP $(obj)/System.map | |
25 | cmd_sysmap = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap | |
26 | quiet_cmd_image = LD $@ | |
27 | cmd_image = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LDFLAGS_$(@F)) -o $@ | |
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) | |
9202db22 | 60 | @echo ' kernel: $@ is ready' |
349101da | 61 | |
1da177e4 LT |
62 | $(obj)/btfix.S: $(obj)/btfixupprep vmlinux FORCE |
63 | $(call if_changed,btfix) | |
a8c601ca SR |
64 | |
65 | endif | |
66 | ||
67 | ifeq ($(CONFIG_SPARC64),y) | |
a8c601ca SR |
68 | |
69 | # Actual linking | |
70 | $(obj)/image: vmlinux FORCE | |
71 | $(call if_changed,strip) | |
72 | @echo ' kernel: $@ is ready' | |
73 | ||
48e46b7b JS |
74 | $(obj)/zImage: $(obj)/image |
75 | $(call if_changed,gzip) | |
9202db22 | 76 | @echo ' kernel: $@ is ready' |
48e46b7b | 77 | |
a8c601ca SR |
78 | $(obj)/vmlinux.aout: vmlinux FORCE |
79 | $(call if_changed,elftoaout) | |
80 | @echo ' kernel: $@ is ready' | |
684151a7 DH |
81 | else |
82 | ||
83 | # The following lines make a readable image for U-Boot. | |
84 | # uImage - Binary file read by U-boot | |
85 | # uImage.o - object file of uImage for loading with a | |
86 | # flash programmer understanding ELF. | |
87 | ||
88 | OBJCOPYFLAGS_image.bin := -S -O binary -R .note -R .comment | |
89 | $(obj)/image.bin: $(obj)/image FORCE | |
90 | $(call if_changed,objcopy) | |
91 | ||
92 | $(obj)/image.gz: $(obj)/image.bin | |
93 | $(call if_changed,gzip) | |
94 | ||
95 | quiet_cmd_uimage = UIMAGE $@ | |
96 | cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sparc -O linux -T kernel \ | |
97 | -C gzip -a $(CONFIG_UBOOT_LOAD_ADDR) \ | |
98 | -e $(CONFIG_UBOOT_ENTRY_ADDR) -n 'Linux-$(KERNELRELEASE)' \ | |
99 | -d $< $@ | |
100 | ||
101 | quiet_cmd_uimage.o = UIMAGE.O $@ | |
102 | cmd_uimage.o = $(LD) -Tdata $(CONFIG_UBOOT_FLASH_ADDR) \ | |
103 | -r -b binary $@ -o $@.o | |
104 | ||
105 | targets += uImage | |
106 | $(obj)/uImage: $(obj)/image.gz | |
107 | $(call if_changed,uimage) | |
108 | $(call if_changed,uimage.o) | |
109 | @echo ' Image $@ is ready' | |
110 | ||
a8c601ca SR |
111 | endif |
112 | ||
56818a6f SR |
113 | $(obj)/tftpboot.img: $(obj)/image $(obj)/piggyback System.map $(ROOT_IMG) FORCE |
114 | $(call if_changed,elftoaout) | |
115 | $(call if_changed,piggy) |