1 # SPDX-License-Identifier: GPL-2.0 !! 1 #
>> 2 # arch/i386/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 #
2 10
3 # uImage build relies on mkimage being availab !! 11 # ROOT_DEV specifies the default root-device when making the image.
4 # You will need to build u-boot for ARC, renam !! 12 # This can be either FLOPPY, CURRENT, /dev/xxxx or empty, in which case
5 # and make sure it's reachable from your PATH !! 13 # the default of FLOPPY is used by 'build'.
6 14
7 OBJCOPYFLAGS= -O binary -R .note -R .note.gnu. !! 15 ROOT_DEV := CURRENT
8 16
9 LINUX_START_TEXT = $$($(READELF) -h vmlinux | !! 17 # If you want to preset the SVGA mode, uncomment the next line and
10 grep "Entry point addr !! 18 # set SVGA_MODE to whatever number you want.
>> 19 # Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode.
>> 20 # The number is the same as you would ordinarily press at bootup.
11 21
12 UIMAGE_LOADADDR = $(CONFIG_LINUX_LINK_BASE) !! 22 SVGA_MODE := -DSVGA_MODE=NORMAL_VGA
13 UIMAGE_ENTRYADDR = $(LINUX_START_TEXT) <<
14 23
15 targets += vmlinux.bin !! 24 # If you want the RAM disk device, define this to be the size in blocks.
16 targets += vmlinux.bin.gz <<
17 targets += vmlinux.bin.lzma <<
18 targets += uImage.bin <<
19 targets += uImage.gz <<
20 targets += uImage.lzma <<
21 25
22 $(obj)/vmlinux.bin: vmlinux FORCE !! 26 #RAMDISK := -DRAMDISK=512
>> 27
>> 28 targets := vmlinux.bin bootsect bootsect.o setup setup.o \
>> 29 zImage bzImage
>> 30 subdir- := compressed
>> 31
>> 32 host-progs := tools/build
>> 33
>> 34 # ---------------------------------------------------------------------------
>> 35
>> 36 $(obj)/zImage: IMAGE_OFFSET := 0x1000
>> 37 $(obj)/zImage: EXTRA_AFLAGS := -traditional $(SVGA_MODE) $(RAMDISK)
>> 38 $(obj)/bzImage: IMAGE_OFFSET := 0x100000
>> 39 $(obj)/bzImage: EXTRA_AFLAGS := -traditional $(SVGA_MODE) $(RAMDISK) -D__BIG_KERNEL__
>> 40 $(obj)/bzImage: BUILDFLAGS := -b
>> 41
>> 42 quiet_cmd_image = BUILD $@
>> 43 cmd_image = $(obj)/tools/build $(BUILDFLAGS) $(obj)/bootsect $(obj)/setup \
>> 44 $(obj)/vmlinux.bin $(ROOT_DEV) > $@
>> 45
>> 46 $(obj)/zImage $(obj)/bzImage: $(obj)/bootsect $(obj)/setup \
>> 47 $(obj)/vmlinux.bin $(obj)/tools/build FORCE
>> 48 $(call if_changed,image)
>> 49 @echo 'Kernel: $@ is ready'
>> 50
>> 51 $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
23 $(call if_changed,objcopy) 52 $(call if_changed,objcopy)
24 53
25 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORC !! 54 LDFLAGS_bootsect := -Ttext 0x0 -s --oformat binary
26 $(call if_changed,gzip) !! 55 LDFLAGS_setup := -Ttext 0x0 -s --oformat binary -e begtext
27 56
28 $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FO !! 57 $(obj)/setup $(obj)/bootsect: %: %.o FORCE
29 $(call if_changed,lzma) !! 58 $(call if_changed,ld)
30 59
31 $(obj)/uImage.bin: $(obj)/vmlinux.bin FORCE !! 60 $(obj)/compressed/vmlinux: FORCE
32 $(call if_changed,uimage,none) !! 61 $(Q)$(MAKE) $(build)=$(obj)/compressed IMAGE_OFFSET=$(IMAGE_OFFSET) $@
33 62
34 $(obj)/uImage.gz: $(obj)/vmlinux.bin.gz FORCE !! 63 # Set this if you want to pass append arguments to the zdisk/fdimage kernel
35 $(call if_changed,uimage,gzip) !! 64 FDARGS =
>> 65
>> 66 $(obj)/mtools.conf: $(src)/mtools.conf.in
>> 67 sed -e 's|@OBJ@|$(obj)|g' < $< > $@
>> 68
>> 69 # This requires write access to /dev/fd0
>> 70 zdisk: $(BOOTIMAGE) $(obj)/mtools.conf
>> 71 MTOOLSRC=$(obj)/mtools.conf mformat a: ; sync
>> 72 syslinux /dev/fd0 ; sync
>> 73 echo 'default linux $(FDARGS)' | \
>> 74 MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg
>> 75 MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) a:linux ; sync
>> 76
>> 77 # These require being root or having syslinux 2.02 or higher installed
>> 78 fdimage fdimage144: $(BOOTIMAGE) $(obj)/mtools.conf
>> 79 dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440
>> 80 MTOOLSRC=$(obj)/mtools.conf mformat v: ; sync
>> 81 syslinux $(obj)/fdimage ; sync
>> 82 echo 'default linux $(FDARGS)' | \
>> 83 MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
>> 84 MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) v:linux ; sync
>> 85
>> 86 fdimage288: $(BOOTIMAGE) $(obj)/mtools.conf
>> 87 dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880
>> 88 MTOOLSRC=$(obj)/mtools.conf mformat w: ; sync
>> 89 syslinux $(obj)/fdimage ; sync
>> 90 echo 'default linux $(FDARGS)' | \
>> 91 MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
>> 92 MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) w:linux ; sync
>> 93
>> 94 zlilo: $(BOOTIMAGE)
>> 95 if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
>> 96 if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
>> 97 cat $(BOOTIMAGE) > $(INSTALL_PATH)/vmlinuz
>> 98 cp System.map $(INSTALL_PATH)/
>> 99 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
36 100
37 $(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma FO !! 101 install: $(BOOTIMAGE)
38 $(call if_changed,uimage,lzma) !! 102 sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"
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