xref: /openbmc/linux/arch/mips/boot/Makefile (revision aec499c7) 
1#
2# This file is subject to the terms and conditions of the GNU General Public
3# License.  See the file "COPYING" in the main directory of this archive
4# for more details.
5#
6# Copyright (C) 1995, 1998, 2001, 2002 by Ralf Baechle
7# Copyright (C) 2004  Maciej W. Rozycki
8#
9
10#
11# Some DECstations need all possible sections of an ECOFF executable
12#
13ifdef CONFIG_MACH_DECSTATION
14  e2eflag := -a
15endif
16
17#
18# Drop some uninteresting sections in the kernel.
19# This is only relevant for ELF kernels but doesn't hurt a.out
20#
21drop-sections := .reginfo .mdebug .comment .note .pdr .options .MIPS.options
22strip-flags   := $(addprefix --remove-section=,$(drop-sections))
23
24hostprogs := elf2ecoff
25
26suffix-y			:= bin
27suffix-$(CONFIG_KERNEL_BZIP2)	:= bz2
28suffix-$(CONFIG_KERNEL_GZIP)	:= gz
29suffix-$(CONFIG_KERNEL_LZMA)	:= lzma
30suffix-$(CONFIG_KERNEL_LZO)	:= lzo
31
32targets := vmlinux.ecoff
33quiet_cmd_ecoff = ECOFF	  $@
34      cmd_ecoff = $(obj)/elf2ecoff $(VMLINUX) $@ $(e2eflag)
35$(obj)/vmlinux.ecoff: $(obj)/elf2ecoff $(VMLINUX) FORCE
36	$(call if_changed,ecoff)
37
38targets += vmlinux.bin
39quiet_cmd_bin = OBJCOPY $@
40      cmd_bin = $(OBJCOPY) -O binary $(strip-flags) $(VMLINUX) $@
41$(obj)/vmlinux.bin: $(VMLINUX) FORCE
42	$(call if_changed,bin)
43
44targets += vmlinux.srec
45quiet_cmd_srec = OBJCOPY $@
46      cmd_srec = $(OBJCOPY) -S -O srec $(strip-flags) $(VMLINUX) $@
47$(obj)/vmlinux.srec: $(VMLINUX) FORCE
48	$(call if_changed,srec)
49
50UIMAGE_LOADADDR  = $(VMLINUX_LOAD_ADDRESS)
51UIMAGE_ENTRYADDR = $(VMLINUX_ENTRY_ADDRESS)
52
53#
54# Compressed vmlinux images
55#
56
57extra-y += vmlinux.bin.bz2
58extra-y += vmlinux.bin.gz
59extra-y += vmlinux.bin.lzma
60extra-y += vmlinux.bin.lzo
61
62$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
63	$(call if_changed,bzip2)
64
65$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
66	$(call if_changed,gzip)
67
68$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
69	$(call if_changed,lzma)
70
71$(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE
72	$(call if_changed,lzo)
73
74#
75# Compressed u-boot images
76#
77
78targets += uImage
79targets += uImage.bin
80targets += uImage.bz2
81targets += uImage.gz
82targets += uImage.lzma
83targets += uImage.lzo
84
85$(obj)/uImage.bin: $(obj)/vmlinux.bin FORCE
86	$(call if_changed,uimage,none)
87
88$(obj)/uImage.bz2: $(obj)/vmlinux.bin.bz2 FORCE
89	$(call if_changed,uimage,bzip2)
90
91$(obj)/uImage.gz: $(obj)/vmlinux.bin.gz FORCE
92	$(call if_changed,uimage,gzip)
93
94$(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma FORCE
95	$(call if_changed,uimage,lzma)
96
97$(obj)/uImage.lzo: $(obj)/vmlinux.bin.lzo FORCE
98	$(call if_changed,uimage,lzo)
99
100$(obj)/uImage: $(obj)/uImage.$(suffix-y)
101	@ln -sf $(notdir $<) $@
102	@echo '  Image $@ is ready'
103
104#
105# Flattened Image Tree (.itb) images
106#
107
108ifeq ($(ADDR_BITS),32)
109itb_addr_cells = 1
110endif
111ifeq ($(ADDR_BITS),64)
112itb_addr_cells = 2
113endif
114
115targets += vmlinux.its.S
116
117quiet_cmd_its_cat = CAT     $@
118      cmd_its_cat = cat $(real-prereqs) >$@
119
120$(obj)/vmlinux.its.S: $(addprefix $(srctree)/arch/mips/$(PLATFORM)/,$(ITS_INPUTS)) FORCE
121	$(call if_changed,its_cat)
122
123targets += vmlinux.its
124targets += vmlinux.gz.its
125targets += vmlinux.bz2.its
126targets += vmlinux.lzma.its
127targets += vmlinux.lzo.its
128
129quiet_cmd_cpp_its_S = ITS     $@
130      cmd_cpp_its_S = $(CPP) -P -C -o $@ $< \
131		        -DKERNEL_NAME="\"Linux $(KERNELRELEASE)\"" \
132			-DVMLINUX_BINARY="\"$(3)\"" \
133			-DVMLINUX_COMPRESSION="\"$(2)\"" \
134			-DVMLINUX_LOAD_ADDRESS=$(VMLINUX_LOAD_ADDRESS) \
135			-DVMLINUX_ENTRY_ADDRESS=$(VMLINUX_ENTRY_ADDRESS) \
136			-DADDR_BITS=$(ADDR_BITS) \
137			-DADDR_CELLS=$(itb_addr_cells)
138
139$(obj)/vmlinux.its: $(obj)/vmlinux.its.S $(VMLINUX) FORCE
140	$(call if_changed,cpp_its_S,none,vmlinux.bin)
141
142$(obj)/vmlinux.gz.its: $(obj)/vmlinux.its.S $(VMLINUX) FORCE
143	$(call if_changed,cpp_its_S,gzip,vmlinux.bin.gz)
144
145$(obj)/vmlinux.bz2.its: $(obj)/vmlinux.its.S $(VMLINUX)  FORCE
146	$(call if_changed,cpp_its_S,bzip2,vmlinux.bin.bz2)
147
148$(obj)/vmlinux.lzma.its: $(obj)/vmlinux.its.S $(VMLINUX) FORCE
149	$(call if_changed,cpp_its_S,lzma,vmlinux.bin.lzma)
150
151$(obj)/vmlinux.lzo.its: $(obj)/vmlinux.its.S $(VMLINUX) FORCE
152	$(call if_changed,cpp_its_S,lzo,vmlinux.bin.lzo)
153
154targets += vmlinux.itb
155targets += vmlinux.gz.itb
156targets += vmlinux.bz2.itb
157targets += vmlinux.lzma.itb
158targets += vmlinux.lzo.itb
159
160quiet_cmd_itb-image = ITB     $@
161      cmd_itb-image = \
162		env PATH="$(objtree)/scripts/dtc:$(PATH)" \
163		$(BASH) $(MKIMAGE) \
164		-D "-I dts -O dtb -p 500 \
165			--include $(objtree)/arch/mips \
166			--warning no-unit_address_vs_reg" \
167		-f $(2) $@
168
169$(obj)/vmlinux.itb: $(obj)/vmlinux.its $(obj)/vmlinux.bin FORCE
170	$(call if_changed,itb-image,$<)
171
172$(obj)/vmlinux.%.itb: $(obj)/vmlinux.%.its $(obj)/vmlinux.bin.% FORCE
173	$(call if_changed,itb-image,$<)
174
175# for cleaning
176subdir- += compressed tools
177