1 # SPDX-License-Identifier: GPL-2.0-only !! 1 # $Id: Makefile,v 1.10 2000/02/23 08:17:46 jj Exp $
2 targets := Image zImage uImage !! 2 # Makefile for the Sparc boot stuff.
>> 3 #
>> 4 # Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
>> 5 # Copyright (C) 1997,1998 Jakub Jelinek (jj@ultra.linux.cz)
3 6
4 $(obj)/Image: vmlinux FORCE !! 7 ROOT_IMG =/usr/src/root.img
5 $(call if_changed,objcopy) !! 8 ELFTOAOUT =elftoaout
6 @echo ' Kernel: $@ is ready' !! 9
7 !! 10 all: btfix.o
8 compress-$(CONFIG_KERNEL_GZIP) = gzip !! 11
9 compress-$(CONFIG_KERNEL_LZO) = lzo !! 12 tftpboot.img: piggyback
10 compress-$(CONFIG_KERNEL_LZMA) = lzma !! 13 $(ELFTOAOUT) $(TOPDIR)/vmlinux -o tftpboot.img
11 compress-$(CONFIG_KERNEL_XZ) = xzkern !! 14 ./piggyback tftpboot.img $(TOPDIR)/System.map $(ROOT_IMG)
12 compress-$(CONFIG_KERNEL_LZ4) = lz4 !! 15
13 !! 16 piggyback: piggyback.c
14 $(obj)/zImage: $(obj)/Image FORCE !! 17 $(HOSTCC) $(HOSTCFLAGS) -o piggyback piggyback.c
15 $(call if_changed,$(compress-y)) !! 18
16 @echo ' Kernel: $@ is ready' !! 19 btfixupprep: btfixupprep.c
17 !! 20 $(HOSTCC) $(HOSTCFLAGS) -o btfixupprep btfixupprep.c
18 UIMAGE_ARCH = sandbox !! 21
19 UIMAGE_COMPRESSION = $(compress-y) !! 22 clean:
20 UIMAGE_LOADADDR = $(shell $(NM) vmlinu !! 23 rm -f btfixupprep piggyback tftpboot.img btfix.o btfix.s
21 !! 24
22 $(obj)/uImage: $(obj)/zImage !! 25 BTOBJS := $(HEAD) init/main.o init/version.o init/do_mounts.o
23 $(call if_changed,uimage) !! 26 BTLIBS := $(CORE_FILES_NO_BTFIX) $(FILESYSTEMS) \
24 @echo 'Image: $@ is ready' !! 27 $(DRIVERS) $(NETWORKS)
>> 28
>> 29 GENFILES := include/linux/version.h include/linux/compile.h $(foreach dirname, $(CORE_FILES_NO_BTFIX), _dir_$(dir $(dirname)))
>> 30 .PHONY : $(GENFILES)
>> 31 GENFILES += $(BTOBJS)
>> 32
>> 33 $(GENFILES):
>> 34 $(MAKE) -C $(TOPDIR) $@
>> 35
>> 36 vmlinux.o: $(GENFILES)
>> 37 $(LD) -r $(patsubst %,$(TOPDIR)/%,$(BTOBJS)) \
>> 38 --start-group \
>> 39 $(patsubst %,$(TOPDIR)/%,$(BTLIBS)) \
>> 40 $(LIBS) \
>> 41 --end-group -o vmlinux.o
>> 42
>> 43 btfix.s: btfixupprep vmlinux.o
>> 44 $(OBJDUMP) -x vmlinux.o | ./btfixupprep > btfix.s
>> 45
>> 46 btfix.o: btfix.s
>> 47 $(CC) -c -o btfix.o btfix.s
>> 48
>> 49 include $(TOPDIR)/Rules.make
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