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 # arch/ppc/boot/Makefile
5 # Copyright (C) 1997,1998 Jakub Jelinek (jj@ul !! 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 # Adapted for PowerPC by Gary Thomas
>> 10 # modified by Cort (cort@cs.nmt.edu)
>> 11 #
>> 12
>> 13 GZIP_FLAGS = -v9f
>> 14
>> 15 CFLAGS += -fno-builtin -D__BOOTER__ -I$(TOPDIR)/arch/$(ARCH)/boot/include
>> 16
>> 17 AFLAGS += -D__BOOTER__
>> 18 OBJCOPY_ARGS = -O elf32-powerpc
>> 19
>> 20 MKIMAGE := $(TOPDIR)/scripts/mkuboot.sh
>> 21
>> 22 lib/zlib.a: lib/zlib.c
>> 23 $(MAKE) -C lib
6 24
7 ROOT_IMG := /usr/src/root.img !! 25 images/vmlinux.gz: $(TOPDIR)/vmlinux
8 ELFTOAOUT := elftoaout !! 26 $(MAKE) -C images vmlinux.gz
9 27
10 hostprogs := piggyback !! 28 # Subdirs and tools needed for each. Assume we always need to go into
11 targets := tftpboot.img image zImage v !! 29 # 'simple' unless told otherwise.
12 clean-files := System.map !! 30 subdir-y := lib common simple
13 !! 31 subdir-$(CONFIG_ALL_PPC) := chrp pmac prep
14 quiet_cmd_elftoaout = ELFTOAOUT $@ !! 32 tools-$(CONFIG_ALL_PPC) := addnote mknote hack-coff mkprep
15 cmd_elftoaout = $(ELFTOAOUT) $(obj)/ !! 33 tools-$(CONFIG_4xx) := mktree
16 quiet_cmd_piggy = PIGGY $@ !! 34 tools-$(CONFIG_LOPEC) := mkbugboot mkprep
17 cmd_piggy = $(obj)/piggyback $(B !! 35 tools-$(CONFIG_PPLUS) := mkbugboot mkprep
18 quiet_cmd_strip = STRIP $@ !! 36 tools-$(CONFIG_PRPMC750) := mkbugboot mkprep
19 cmd_strip = $(STRIP) -R .comment !! 37 tools-$(CONFIG_SPRUCE) := mktree
20 <<
21 ifeq ($(CONFIG_SPARC64),y) <<
22 <<
23 # Actual linking <<
24 <<
25 $(obj)/zImage: $(obj)/image FORCE <<
26 $(call if_changed,gzip) <<
27 @$(kecho) 'Kernel: $@ is ready' '(#'$( <<
28 <<
29 $(obj)/vmlinux.aout: vmlinux FORCE <<
30 $(call if_changed,elftoaout) <<
31 @$(kecho) 'Kernel: $@ is ready' '(#'$( <<
32 else <<
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 <<
47 $(obj)/image.gz: $(obj)/image.bin FORCE <<
48 $(call if_changed,gzip) <<
49 <<
50 UIMAGE_LOADADDR = $(CONFIG_UBOOT_LOAD_ADDR) <<
51 UIMAGE_ENTRYADDR = $(CONFIG_UBOOT_ENTRY_ADDR) <<
52 UIMAGE_COMPRESSION = gzip <<
53 <<
54 quiet_cmd_uimage.o = UIMAGE.O $@ <<
55 cmd_uimage.o = $(LD) -Tdata $(CONFIG_UBO <<
56 -r -b binary $@ -o $@.o <<
57 <<
58 targets += uImage <<
59 $(obj)/uImage: $(obj)/image.gz FORCE <<
60 $(call if_changed,uimage) <<
61 $(call if_changed,uimage.o) <<
62 @$(kecho) 'Kernel: $@ is ready' '(#'$( <<
63 38
>> 39 # These are dirs we don't want to go into on BOOT_TARGETS. We have them for
>> 40 # the 'depend' stage.
>> 41 NONBOOT := lib common
>> 42
>> 43 # These are the subdirs we want to use
>> 44 BOOTDIRS = $(filter-out $(NONBOOT), $(subdir-y))
>> 45
>> 46 makeof1275:
>> 47 $(MAKE) -C of1275
>> 48
>> 49 # This will make the tools we need. We do it like this to ensure that we use
>> 50 # HOSTCC. -- Tom
>> 51 maketools:
>> 52 $(MAKE) -C utils $(tools-y)
>> 53
>> 54 # The targets all boards support for boot images.
>> 55 BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd
>> 56
>> 57 $(BOOT_TARGETS): vmapus lib/zlib.a images/vmlinux.gz makeof1275 maketools
>> 58 ifneq ($(BOOTDIRS),)
>> 59 for d in $(BOOTDIRS); do $(MAKE) -C $$d $@; done
>> 60 endif
>> 61
>> 62 vmapus: $(TOPDIR)/vmlinux
>> 63 ifdef CONFIG_APUS
>> 64 $(STRIP) $(TOPDIR)/vmlinux -o images/vmapus
>> 65 gzip $(GZIP_FLAGS) images/vmapus
64 endif 66 endif
65 67
66 $(obj)/image: vmlinux FORCE !! 68 # Make an image for PPCBoot / U-Boot.
67 $(call if_changed,strip) !! 69 uImage: $(MKIMAGE) images/vmlinux.gz
68 @$(kecho) 'Kernel: $@ is ready' '(#'$( !! 70 $(CONFIG_SHELL) $(MKIMAGE) -A ppc -O linux -T kernel \
69 !! 71 -C gzip -a 00000000 -e 00000000 \
70 $(obj)/tftpboot.img: $(obj)/image $(obj)/piggy !! 72 -n 'Linux-$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)' \
71 $(call if_changed,elftoaout) !! 73 -d images/vmlinux.gz images/vmlinux.UBoot
72 $(call if_changed,piggy) !! 74 ln -sf vmlinux.UBoot images/uImage
>> 75 rm -f ./mkuboot
>> 76
>> 77 # These are subdirs with files not normally rm'ed. -- Tom
>> 78 clean:
>> 79 $(MAKE) -C images clean
>> 80 $(MAKE) -C utils clean
>> 81
>> 82 include $(TOPDIR)/Rules.make
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