1 # SPDX-License-Identifier: GPL-2.0 !! 1 #
>> 2 # arch/alpha/boot/Makefile
>> 3 #
>> 4 # This file is subject to the terms and conditions of the GNU General Public
>> 5 # License. See the file "COPYING" in the main directory of this archive
>> 6 # for more details.
>> 7 #
>> 8 # Copyright (C) 1994 by Linus Torvalds
>> 9 #
>> 10
>> 11 hostprogs := 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 := $(obj)/tools/objstrip
>> 16
>> 17 KBUILD_HOSTCFLAGS := -Wall -I$(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
2 40
3 # uImage build relies on mkimage being availab !! 41 # Compressed kernel image
4 # You will need to build u-boot for ARC, renam !! 42 $(obj)/vmlinux.gz: $(obj)/vmlinux FORCE
5 # and make sure it's reachable from your PATH !! 43 $(call if_changed,gzip)
>> 44 @echo ' Kernel $@ is ready'
6 45
7 OBJCOPYFLAGS= -O binary -R .note -R .note.gnu. !! 46 $(obj)/main.o: $(obj)/ksize.h
>> 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 $$5}'`" >> $@T
>> 65 endif
>> 66 cmp -s $@T $@ || mv -f $@T $@
>> 67 rm -f $@T
>> 68
>> 69 quiet_cmd_strip = STRIP $@
>> 70 cmd_strip = $(STRIP) -o $@ $<
>> 71
>> 72 $(obj)/vmlinux: vmlinux FORCE
>> 73 $(call if_changed,strip)
>> 74
>> 75 quiet_cmd_objstrip = OBJSTRIP $@
>> 76 cmd_objstrip = $(OBJSTRIP) $(OSFLAGS_$(@F)) $< $@
>> 77
>> 78 OSFLAGS_vmlinux.nh := -v
>> 79 OSFLAGS_lxboot := -p
>> 80 OSFLAGS_bootlx := -vb
>> 81 OSFLAGS_bootph := -vb
>> 82 OSFLAGS_bootpzh := -vb
8 83
9 LINUX_START_TEXT = $$($(READELF) -h vmlinux | !! 84 $(obj)/vmlinux.nh: vmlinux $(OBJSTRIP) FORCE
10 grep "Entry point addr !! 85 $(call if_changed,objstrip)
11 86
12 UIMAGE_LOADADDR = $(CONFIG_LINUX_LINK_BASE) !! 87 $(obj)/vmlinux.nh.gz: $(obj)/vmlinux.nh FORCE
13 UIMAGE_ENTRYADDR = $(LINUX_START_TEXT) !! 88 $(call if_changed,gzip)
14 89
15 targets += vmlinux.bin !! 90 $(obj)/tools/lxboot: $(obj)/bootloader $(OBJSTRIP) FORCE
16 targets += vmlinux.bin.gz !! 91 $(call if_changed,objstrip)
17 targets += vmlinux.bin.lzma <<
18 targets += uImage.bin <<
19 targets += uImage.gz <<
20 targets += uImage.lzma <<
21 92
22 $(obj)/vmlinux.bin: vmlinux FORCE !! 93 $(obj)/tools/bootlx: $(obj)/bootloader $(OBJSTRIP) FORCE
23 $(call if_changed,objcopy) !! 94 $(call if_changed,objstrip)
24 95
25 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORC !! 96 $(obj)/tools/bootph: $(obj)/bootpheader $(OBJSTRIP) FORCE
26 $(call if_changed,gzip) !! 97 $(call if_changed,objstrip)
>> 98
>> 99 $(obj)/tools/bootpzh: $(obj)/bootpzheader $(OBJSTRIP) FORCE
>> 100 $(call if_changed,objstrip)
>> 101
>> 102 LDFLAGS_bootloader := -static -T # -N -relax
>> 103 LDFLAGS_bootloader := -static -T # -N -relax
>> 104 LDFLAGS_bootpheader := -static -T # -N -relax
>> 105 LDFLAGS_bootpzheader := -static -T # -N -relax
>> 106
>> 107 OBJ_bootlx := $(obj)/head.o $(obj)/stdio.o $(obj)/main.o
>> 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
27 110
28 $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FO !! 111 $(obj)/bootloader: $(obj)/bootloader.lds $(OBJ_bootlx) $(LIBS_Y) FORCE
29 $(call if_changed,lzma) !! 112 $(call if_changed,ld)
30 113
31 $(obj)/uImage.bin: $(obj)/vmlinux.bin FORCE !! 114 $(obj)/bootpheader: $(obj)/bootloader.lds $(OBJ_bootph) $(LIBS_Y) FORCE
32 $(call if_changed,uimage,none) !! 115 $(call if_changed,ld)
33 116
34 $(obj)/uImage.gz: $(obj)/vmlinux.bin.gz FORCE !! 117 $(obj)/bootpzheader: $(obj)/bootloader.lds $(OBJ_bootpzh) $(LIBS_Y) FORCE
35 $(call if_changed,uimage,gzip) !! 118 $(call if_changed,ld)
36 119
37 $(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma FO !! 120 $(obj)/misc.o: lib/inflate.c
38 $(call if_changed,uimage,lzma) <<
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