GNU Linux-libre 4.19.286-gnu1
[releases.git] / arch / mips / boot / Makefile
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 #
13 ifdef CONFIG_MACH_DECSTATION
14   e2eflag := -a
15 endif
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 #
21 drop-sections := .reginfo .mdebug .comment .note .pdr .options .MIPS.options
22 strip-flags   := $(addprefix --remove-section=,$(drop-sections))
23
24 hostprogs-y := elf2ecoff
25
26 suffix-y                        := bin
27 suffix-$(CONFIG_KERNEL_BZIP2)   := bz2
28 suffix-$(CONFIG_KERNEL_GZIP)    := gz
29 suffix-$(CONFIG_KERNEL_LZMA)    := lzma
30 suffix-$(CONFIG_KERNEL_LZO)     := lzo
31
32 targets := vmlinux.ecoff
33 quiet_cmd_ecoff = ECOFF   $@
34       cmd_ecoff = $(obj)/elf2ecoff $(VMLINUX) $@ $(e2eflag)
35 $(obj)/vmlinux.ecoff: $(obj)/elf2ecoff $(VMLINUX) FORCE
36         $(call if_changed,ecoff)
37
38 targets += vmlinux.bin
39 quiet_cmd_bin = OBJCOPY $@
40       cmd_bin = $(OBJCOPY) -O binary $(strip-flags) $(VMLINUX) $@
41 $(obj)/vmlinux.bin: $(VMLINUX) FORCE
42         $(call if_changed,bin)
43
44 targets += vmlinux.srec
45 quiet_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
50 UIMAGE_LOADADDR  = $(VMLINUX_LOAD_ADDRESS)
51 UIMAGE_ENTRYADDR = $(VMLINUX_ENTRY_ADDRESS)
52
53 #
54 # Compressed vmlinux images
55 #
56
57 extra-y += vmlinux.bin.bz2
58 extra-y += vmlinux.bin.gz
59 extra-y += vmlinux.bin.lzma
60 extra-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
78 targets += uImage
79 targets += uImage.bin
80 targets += uImage.bz2
81 targets += uImage.gz
82 targets += uImage.lzma
83 targets += 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 $@ is ready'
103
104 #
105 # Flattened Image Tree (.itb) images
106 #
107
108 ifeq ($(ADDR_BITS),32)
109 itb_addr_cells = 1
110 endif
111 ifeq ($(ADDR_BITS),64)
112 itb_addr_cells = 2
113 endif
114
115 targets += vmlinux.its.S
116
117 quiet_cmd_its_cat = CAT     $@
118       cmd_its_cat = cat $(filter-out $(PHONY), $^) >$@
119
120 $(obj)/vmlinux.its.S: $(addprefix $(srctree)/arch/mips/$(PLATFORM)/,$(ITS_INPUTS)) FORCE
121         $(call if_changed,its_cat)
122
123 targets += vmlinux.its
124 targets += vmlinux.gz.its
125 targets += vmlinux.bz2.its
126 targets += vmlinux.lzma.its
127 targets += vmlinux.lzo.its
128
129 quiet_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
154 targets += vmlinux.itb
155 targets += vmlinux.gz.itb
156 targets += vmlinux.bz2.itb
157 targets += vmlinux.lzma.itb
158 targets += vmlinux.lzo.itb
159
160 quiet_cmd_itb-image = ITB     $@
161       cmd_itb-image = \
162                 env PATH="$(objtree)/scripts/dtc:$(PATH)" \
163                 $(CONFIG_SHELL) $(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         $(call if_changed,itb-image,$<)