1 # 1 #
2 # arch/arm64/boot/Makefile !! 2 # arch/alpha/boot/Makefile
3 # <<
4 # This file is included by the global makefile <<
5 # architecture-specific flags and dependencies <<
6 # 3 #
7 # This file is subject to the terms and condit 4 # This file is subject to the terms and conditions of the GNU General Public
8 # License. See the file "COPYING" in the main 5 # License. See the file "COPYING" in the main directory of this archive
9 # for more details. 6 # for more details.
10 # 7 #
11 # Copyright (C) 2012, ARM Ltd. !! 8 # Copyright (C) 1994 by Linus Torvalds
12 # Author: Will Deacon <will.deacon@arm.com> <<
13 # <<
14 # Based on the ia64 boot/Makefile. <<
15 # 9 #
16 10
17 OBJCOPYFLAGS_Image :=-O binary -R .note -R .no !! 11 hostprogs-y := tools/mkbb tools/objstrip
>> 12 targets := vmlinux.gz vmlinux \
>> 13 vmlinux.nh tools/lxboot tools/bootlx tools/bootph \
>> 14 tools/bootpzh bootloader bootpheader bootpzheader
>> 15 OBJSTRIP := $(obj)/tools/objstrip
>> 16
>> 17 HOSTCFLAGS := -Wall -I$(objtree)/usr/include
>> 18 BOOTCFLAGS += -I$(objtree)/$(obj) -I$(srctree)/$(obj)
>> 19
>> 20 # SRM bootable image. Copy to offset 512 of a partition.
>> 21 $(obj)/bootimage: $(addprefix $(obj)/tools/,mkbb lxboot bootlx) $(obj)/vmlinux.nh
>> 22 ( cat $(obj)/tools/lxboot $(obj)/tools/bootlx $(obj)/vmlinux.nh ) > $@
>> 23 $(obj)/tools/mkbb $@ $(obj)/tools/lxboot
>> 24 @echo ' Bootimage $@ is ready'
>> 25
>> 26 # BOOTP bootable image. Define INITRD during make to append initrd image.
>> 27 $(obj)/bootpfile: $(obj)/tools/bootph $(obj)/vmlinux.nh
>> 28 cat $(obj)/tools/bootph $(obj)/vmlinux.nh > $@
>> 29 ifdef INITRD
>> 30 cat $(INITRD) >> $@
>> 31 endif
>> 32
>> 33 # Compressed kernel BOOTP bootable image.
>> 34 # Define INITRD during make to append initrd image.
>> 35 $(obj)/bootpzfile: $(obj)/tools/bootpzh $(obj)/vmlinux.nh.gz
>> 36 cat $(obj)/tools/bootpzh $(obj)/vmlinux.nh.gz > $@
>> 37 ifdef INITRD
>> 38 cat $(INITRD) >> $@
>> 39 endif
18 40
19 targets := Image Image.bz2 Image.gz Image.lz4 !! 41 # Compressed kernel image
20 Image.zst Image.xz image.fit !! 42 $(obj)/vmlinux.gz: $(obj)/vmlinux FORCE
>> 43 $(call if_changed,gzip)
>> 44 @echo ' Kernel $@ is ready'
21 45
22 $(obj)/Image: vmlinux FORCE !! 46 $(obj)/main.o: $(obj)/ksize.h
23 $(call if_changed,objcopy) !! 47 $(obj)/bootp.o: $(obj)/ksize.h
>> 48 $(obj)/bootpz.o: $(obj)/kzsize.h
>> 49
>> 50 $(obj)/ksize.h: $(obj)/vmlinux.nh FORCE
>> 51 echo "#define KERNEL_SIZE `ls -l $(obj)/vmlinux.nh | awk '{print $$5}'`" > $@T
>> 52 ifdef INITRD
>> 53 [ -f $(INITRD) ] || exit 1
>> 54 echo "#define INITRD_IMAGE_SIZE `ls -l $(INITRD) | awk '{print $$5}'`" >> $@T
>> 55 endif
>> 56 cmp -s $@T $@ || mv -f $@T $@
>> 57 rm -f $@T
>> 58
>> 59 $(obj)/kzsize.h: $(obj)/vmlinux.nh.gz FORCE
>> 60 echo "#define KERNEL_SIZE `ls -l $(obj)/vmlinux.nh | awk '{print $$5}'`" > $@T
>> 61 echo "#define KERNEL_Z_SIZE `ls -l $(obj)/vmlinux.nh.gz | awk '{print $$5}'`" >> $@T
>> 62 ifdef INITRD
>> 63 [ -f $(INITRD) ] || exit 1
>> 64 echo "#define INITRD_IMAGE_SIZE `ls -l $(INITRD) | awk '{print $$5}'`" >> $@T
>> 65 endif
>> 66 cmp -s $@T $@ || mv -f $@T $@
>> 67 rm -f $@T
>> 68
>> 69 quiet_cmd_strip = STRIP $@
>> 70 cmd_strip = $(STRIP) -o $@ $<
>> 71
>> 72 $(obj)/vmlinux: vmlinux FORCE
>> 73 $(call if_changed,strip)
>> 74
>> 75 quiet_cmd_objstrip = OBJSTRIP $@
>> 76 cmd_objstrip = $(OBJSTRIP) $(OSFLAGS_$(@F)) $< $@
>> 77
>> 78 OSFLAGS_vmlinux.nh := -v
>> 79 OSFLAGS_lxboot := -p
>> 80 OSFLAGS_bootlx := -vb
>> 81 OSFLAGS_bootph := -vb
>> 82 OSFLAGS_bootpzh := -vb
24 83
25 $(obj)/Image.bz2: $(obj)/Image FORCE !! 84 $(obj)/vmlinux.nh: vmlinux $(OBJSTRIP) FORCE
26 $(call if_changed,bzip2) !! 85 $(call if_changed,objstrip)
27 86
28 $(obj)/Image.gz: $(obj)/Image FORCE !! 87 $(obj)/vmlinux.nh.gz: $(obj)/vmlinux.nh FORCE
29 $(call if_changed,gzip) 88 $(call if_changed,gzip)
30 89
31 $(obj)/Image.lz4: $(obj)/Image FORCE !! 90 $(obj)/tools/lxboot: $(obj)/bootloader $(OBJSTRIP) FORCE
32 $(call if_changed,lz4) !! 91 $(call if_changed,objstrip)
>> 92
>> 93 $(obj)/tools/bootlx: $(obj)/bootloader $(OBJSTRIP) FORCE
>> 94 $(call if_changed,objstrip)
33 95
34 $(obj)/Image.lzma: $(obj)/Image FORCE !! 96 $(obj)/tools/bootph: $(obj)/bootpheader $(OBJSTRIP) FORCE
35 $(call if_changed,lzma) !! 97 $(call if_changed,objstrip)
36 98
37 $(obj)/Image.lzo: $(obj)/Image FORCE !! 99 $(obj)/tools/bootpzh: $(obj)/bootpzheader $(OBJSTRIP) FORCE
38 $(call if_changed,lzo) !! 100 $(call if_changed,objstrip)
39 101
40 $(obj)/Image.zst: $(obj)/Image FORCE !! 102 LDFLAGS_bootloader := -static -T # -N -relax
41 $(call if_changed,zstd) !! 103 LDFLAGS_bootloader := -static -T # -N -relax
>> 104 LDFLAGS_bootpheader := -static -T # -N -relax
>> 105 LDFLAGS_bootpzheader := -static -T # -N -relax
42 106
43 $(obj)/Image.xz: $(obj)/Image FORCE !! 107 OBJ_bootlx := $(obj)/head.o $(obj)/stdio.o $(obj)/main.o
44 $(call if_changed,xzkern) !! 108 OBJ_bootph := $(obj)/head.o $(obj)/stdio.o $(obj)/bootp.o
>> 109 OBJ_bootpzh := $(obj)/head.o $(obj)/stdio.o $(obj)/bootpz.o $(obj)/misc.o
45 110
46 $(obj)/image.fit: $(obj)/Image $(obj)/dts/dtbs !! 111 $(obj)/bootloader: $(obj)/bootloader.lds $(OBJ_bootlx) $(LIBS_Y) FORCE
47 $(call if_changed,fit) !! 112 $(call if_changed,ld)
48 113
49 EFI_ZBOOT_PAYLOAD := Image !! 114 $(obj)/bootpheader: $(obj)/bootloader.lds $(OBJ_bootph) $(LIBS_Y) FORCE
50 EFI_ZBOOT_BFD_TARGET := elf64-littleaarch64 !! 115 $(call if_changed,ld)
51 EFI_ZBOOT_MACH_TYPE := ARM64 <<
52 EFI_ZBOOT_FORWARD_CFI := $(CONFIG_ARM64_BTI_ <<
53 116
54 EFI_ZBOOT_OBJCOPY_FLAGS = --add-symbol zboot_c !! 117 $(obj)/bootpzheader: $(obj)/bootloader.lds $(OBJ_bootpzh) $(LIBS_Y) FORCE
55 $(NM) vmlinux| !! 118 $(call if_changed,ld)
56 119
57 include $(srctree)/drivers/firmware/efi/libstu !! 120 $(obj)/misc.o: lib/inflate.c
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