1 # 1 #
2 # arch/riscv/boot/Makefile <<
3 # <<
4 # This file is included by the global makefile <<
5 # architecture-specific flags and dependencies <<
6 # <<
7 # This file is subject to the terms and condit 2 # This file is subject to the terms and conditions of the GNU General Public
8 # License. See the file "COPYING" in the main 3 # License. See the file "COPYING" in the main directory of this archive
9 # for more details. 4 # for more details.
10 # 5 #
11 # Copyright (C) 2018, Anup Patel. !! 6 # Copyright (C) 1995, 1998, 2001, 2002 by Ralf Baechle
12 # Author: Anup Patel <anup@brainfault.org> !! 7 # Copyright (C) 2004 Maciej W. Rozycki
>> 8 #
>> 9
13 # 10 #
14 # Based on the ia64 and arm64 boot/Makefile. !! 11 # Some DECstations need all possible sections of an ECOFF executable
15 # 12 #
>> 13 ifdef CONFIG_MACH_DECSTATION
>> 14 e2eflag := -a
>> 15 endif
16 16
17 OBJCOPYFLAGS_Image :=-O binary -R .note -R .no !! 17 #
18 OBJCOPYFLAGS_loader.bin :=-O binary !! 18 # Drop some uninteresting sections in the kernel.
19 OBJCOPYFLAGS_xipImage :=-O binary -R .note -R !! 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))
20 23
21 targets := Image Image.* loader loader.o loade !! 24 hostprogs-y := elf2ecoff
22 25
23 ifeq ($(CONFIG_XIP_KERNEL),y) !! 26 suffix-y := bin
>> 27 suffix-$(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)
24 49
25 quiet_cmd_mkxip = $(quiet_cmd_objcopy) !! 50 UIMAGE_LOADADDR = $(VMLINUX_LOAD_ADDRESS)
26 cmd_mkxip = $(cmd_objcopy) !! 51 UIMAGE_ENTRYADDR = $(VMLINUX_ENTRY_ADDRESS)
27 52
28 $(obj)/xipImage: vmlinux FORCE !! 53 #
29 $(call if_changed,mkxip) !! 54 # Compressed vmlinux images
30 @$(kecho) ' Physical Address of xipIm !! 55 #
31 56
32 endif !! 57 extra-y += vmlinux.bin.bz2
>> 58 extra-y += vmlinux.bin.gz
>> 59 extra-y += vmlinux.bin.lzma
>> 60 extra-y += vmlinux.bin.lzo
33 61
34 ifdef CONFIG_RELOCATABLE !! 62 $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
35 vmlinux.relocs: vmlinux !! 63 $(call if_changed,bzip2)
36 @ (! [ -f vmlinux.relocs ] && echo "vm <<
37 <<
38 $(obj)/Image: vmlinux.relocs FORCE <<
39 else <<
40 $(obj)/Image: vmlinux FORCE <<
41 endif <<
42 $(call if_changed,objcopy) <<
43 64
44 $(obj)/Image.gz: $(obj)/Image FORCE !! 65 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
45 $(call if_changed,gzip) 66 $(call if_changed,gzip)
46 67
47 $(obj)/loader.o: $(src)/loader.S $(obj)/Image !! 68 $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
>> 69 $(call if_changed,lzma)
48 70
49 $(obj)/loader: $(obj)/loader.o $(obj)/Image $( !! 71 $(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE
50 $(Q)$(LD) -T $(obj)/loader.lds -o $@ $ !! 72 $(call if_changed,lzo)
51 73
52 $(obj)/Image.bz2: $(obj)/Image FORCE !! 74 #
53 $(call if_changed,bzip2) !! 75 # Compressed u-boot images
>> 76 #
54 77
55 $(obj)/Image.lz4: $(obj)/Image FORCE !! 78 targets += uImage
56 $(call if_changed,lz4) !! 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'
57 103
58 $(obj)/Image.lzma: $(obj)/Image FORCE !! 104 #
59 $(call if_changed,lzma) !! 105 # Flattened Image Tree (.itb) images
>> 106 #
60 107
61 $(obj)/Image.lzo: $(obj)/Image FORCE !! 108 ifeq ($(ADDR_BITS),32)
62 $(call if_changed,lzo) !! 109 itb_addr_cells = 1
>> 110 endif
>> 111 ifeq ($(ADDR_BITS),64)
>> 112 itb_addr_cells = 2
>> 113 endif
>> 114
>> 115 targets += vmlinux.its.S
63 116
64 $(obj)/Image.zst: $(obj)/Image FORCE !! 117 quiet_cmd_its_cat = CAT $@
65 $(call if_changed,zstd) !! 118 cmd_its_cat = cat $(real-prereqs) >$@
66 119
67 $(obj)/Image.xz: $(obj)/Image FORCE !! 120 $(obj)/vmlinux.its.S: $(addprefix $(srctree)/arch/mips/$(PLATFORM)/,$(ITS_INPUTS)) FORCE
68 $(call if_changed,xzkern) !! 121 $(call if_changed,its_cat)
69 122
70 $(obj)/loader.bin: $(obj)/loader FORCE !! 123 targets += vmlinux.its
71 $(call if_changed,objcopy) !! 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) $@
72 168
73 EFI_ZBOOT_PAYLOAD := Image !! 169 $(obj)/vmlinux.itb: $(obj)/vmlinux.its $(obj)/vmlinux.bin FORCE
74 EFI_ZBOOT_BFD_TARGET := elf$(BITS)-littleri !! 170 $(call if_changed,itb-image,$<)
75 EFI_ZBOOT_MACH_TYPE := RISCV$(BITS) <<
76 171
77 include $(srctree)/drivers/firmware/efi/libstu !! 172 $(obj)/vmlinux.%.itb: $(obj)/vmlinux.%.its $(obj)/vmlinux.bin.% FORCE
>> 173 $(call if_changed,itb-image,$<)
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