1 # SPDX-License-Identifier: GPL-2.0 <<
2 # Makefile for the Sparc boot stuff. <<
3 # 1 #
4 # Copyright (C) 1995 David S. Miller (davem@ca !! 2 # This file is subject to the terms and conditions of the GNU General Public
5 # Copyright (C) 1997,1998 Jakub Jelinek (jj@ul !! 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 #
6 9
7 ROOT_IMG := /usr/src/root.img !! 10 #
8 ELFTOAOUT := elftoaout !! 11 # Some DECstations need all possible sections of an ECOFF executable
>> 12 #
>> 13 ifdef CONFIG_MACH_DECSTATION
>> 14 e2eflag := -a
>> 15 endif
9 16
10 hostprogs := piggyback !! 17 #
11 targets := tftpboot.img image zImage v !! 18 # Drop some uninteresting sections in the kernel.
12 clean-files := System.map !! 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))
13 23
14 quiet_cmd_elftoaout = ELFTOAOUT $@ !! 24 hostprogs := elf2ecoff
15 cmd_elftoaout = $(ELFTOAOUT) $(obj)/ <<
16 quiet_cmd_piggy = PIGGY $@ <<
17 cmd_piggy = $(obj)/piggyback $(B <<
18 quiet_cmd_strip = STRIP $@ <<
19 cmd_strip = $(STRIP) -R .comment <<
20 25
21 ifeq ($(CONFIG_SPARC64),y) !! 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)
22 49
23 # Actual linking !! 50 UIMAGE_LOADADDR = $(VMLINUX_LOAD_ADDRESS)
>> 51 UIMAGE_ENTRYADDR = $(VMLINUX_ENTRY_ADDRESS)
24 52
25 $(obj)/zImage: $(obj)/image FORCE !! 53 #
26 $(call if_changed,gzip) !! 54 # Compressed vmlinux images
27 @$(kecho) 'Kernel: $@ is ready' '(#'$( !! 55 #
28 56
29 $(obj)/vmlinux.aout: vmlinux FORCE !! 57 extra-y += vmlinux.bin.bz2
30 $(call if_changed,elftoaout) !! 58 extra-y += vmlinux.bin.gz
31 @$(kecho) 'Kernel: $@ is ready' '(#'$( !! 59 extra-y += vmlinux.bin.lzma
32 else !! 60 extra-y += vmlinux.bin.lzo
33 <<
34 $(obj)/zImage: $(obj)/image FORCE <<
35 $(call if_changed,strip) <<
36 @$(kecho) 'Kernel: $@ is ready' '(#'$( <<
37 <<
38 # The following lines make a readable image fo <<
39 # uImage - Binary file read by U-boot <<
40 # uImage.o - object file of uImage for loadin <<
41 # flash programmer understanding E <<
42 <<
43 OBJCOPYFLAGS_image.bin := -S -O binary -R .not <<
44 $(obj)/image.bin: $(obj)/image FORCE <<
45 $(call if_changed,objcopy) <<
46 61
47 $(obj)/image.gz: $(obj)/image.bin FORCE !! 62 $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
>> 63 $(call if_changed,bzip2)
>> 64
>> 65 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
48 $(call if_changed,gzip) 66 $(call if_changed,gzip)
49 67
50 UIMAGE_LOADADDR = $(CONFIG_UBOOT_LOAD_ADDR) !! 68 $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
51 UIMAGE_ENTRYADDR = $(CONFIG_UBOOT_ENTRY_ADDR) !! 69 $(call if_changed,lzma)
52 UIMAGE_COMPRESSION = gzip !! 70
53 !! 71 $(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE
54 quiet_cmd_uimage.o = UIMAGE.O $@ !! 72 $(call if_changed,lzo)
55 cmd_uimage.o = $(LD) -Tdata $(CONFIG_UBO !! 73
56 -r -b binary $@ -o $@.o !! 74 #
>> 75 # Compressed u-boot images
>> 76 #
57 77
58 targets += uImage 78 targets += uImage
59 $(obj)/uImage: $(obj)/image.gz FORCE !! 79 targets += uImage.bin
60 $(call if_changed,uimage) !! 80 targets += uImage.bz2
61 $(call if_changed,uimage.o) !! 81 targets += uImage.gz
62 @$(kecho) 'Kernel: $@ is ready' '(#'$( !! 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 $@ is ready'
>> 103
>> 104 #
>> 105 # Flattened Image Tree (.itb) images
>> 106 #
63 107
>> 108 ifeq ($(ADDR_BITS),32)
>> 109 itb_addr_cells = 1
>> 110 endif
>> 111 ifeq ($(ADDR_BITS),64)
>> 112 itb_addr_cells = 2
64 endif 113 endif
65 114
66 $(obj)/image: vmlinux FORCE !! 115 targets += vmlinux.its.S
67 $(call if_changed,strip) !! 116
68 @$(kecho) 'Kernel: $@ is ready' '(#'$( !! 117 quiet_cmd_its_cat = CAT $@
69 !! 118 cmd_its_cat = cat $(real-prereqs) >$@
70 $(obj)/tftpboot.img: $(obj)/image $(obj)/piggy !! 119
71 $(call if_changed,elftoaout) !! 120 $(obj)/vmlinux.its.S: $(addprefix $(srctree)/arch/mips/$(PLATFORM)/,$(ITS_INPUTS)) FORCE
72 $(call if_changed,piggy) !! 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 $(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
>> 176 subdir- += compressed tools
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