1 # SPDX-License-Identifier: GPL-2.0 !! 1 #
>> 2 # This file is subject to the terms and conditions of the GNU General Public
>> 3 # License. See the file "COPYING" in the main directory of this archive
>> 4 # for more details.
>> 5 #
>> 6 # Copyright (C) 1995, 1998, 2001 by Ralf Baechle
>> 7 # Copyright (C) 2004 Maciej W. Rozycki
>> 8 #
2 9
3 # uImage build relies on mkimage being availab !! 10 USE_STANDARD_AS_RULE := true
4 # You will need to build u-boot for ARC, renam <<
5 # and make sure it's reachable from your PATH <<
6 11
7 OBJCOPYFLAGS= -O binary -R .note -R .note.gnu. !! 12 #
>> 13 # Some DECstations need all possible sections of an ECOFF executable
>> 14 #
>> 15 ifdef CONFIG_DECSTATION
>> 16 E2EFLAGS = -a
>> 17 else
>> 18 E2EFLAGS =
>> 19 endif
8 20
9 LINUX_START_TEXT = $$($(READELF) -h vmlinux | !! 21 #
10 grep "Entry point addr !! 22 # Drop some uninteresting sections in the kernel.
>> 23 # This is only relevant for ELF kernels but doesn't hurt a.out
>> 24 #
>> 25 drop-sections = .reginfo .mdebug .comment .note .pdr .options .MIPS.options
>> 26 strip-flags = $(addprefix --remove-section=,$(drop-sections))
11 27
12 UIMAGE_LOADADDR = $(CONFIG_LINUX_LINK_BASE) !! 28 VMLINUX = $(TOPDIR)/vmlinux
13 UIMAGE_ENTRYADDR = $(LINUX_START_TEXT) <<
14 29
15 targets += vmlinux.bin !! 30 all:
16 targets += vmlinux.bin.gz <<
17 targets += vmlinux.bin.lzma <<
18 targets += uImage.bin <<
19 targets += uImage.gz <<
20 targets += uImage.lzma <<
21 31
22 $(obj)/vmlinux.bin: vmlinux FORCE !! 32 boot: vmlinux.ecoff vmlinux.srec addinitrd
23 $(call if_changed,objcopy) <<
24 33
25 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORC !! 34 vmlinux.ecoff: $(CONFIGURE) elf2ecoff $(VMLINUX)
26 $(call if_changed,gzip) !! 35 ./elf2ecoff $(VMLINUX) vmlinux.ecoff $(E2EFLAGS)
27 36
28 $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FO !! 37 elf2ecoff: elf2ecoff.c
29 $(call if_changed,lzma) !! 38 $(HOSTCC) -o $@ $^
30 39
31 $(obj)/uImage.bin: $(obj)/vmlinux.bin FORCE !! 40 vmlinux.srec: $(CONFIGURE) $(VMLINUX)
32 $(call if_changed,uimage,none) !! 41 $(OBJCOPY) -S -O srec $(strip-flags) $(VMLINUX) vmlinux.srec
33 42
34 $(obj)/uImage.gz: $(obj)/vmlinux.bin.gz FORCE !! 43 addinitrd: addinitrd.c
35 $(call if_changed,uimage,gzip) !! 44 $(HOSTCC) -o $@ $^
36 45
37 $(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma FO !! 46 # Don't build dependencies, this may die if $(CC) isn't gcc
38 $(call if_changed,uimage,lzma) !! 47 dep:
>> 48
>> 49 clean:
>> 50 rm -f vmlinux.ecoff vmlinux.srec
>> 51
>> 52 mrproper:
>> 53 rm -f vmlinux.ecoff vmlinux.srec addinitrd elf2ecoff
>> 54
>> 55 dummy:
>> 56
>> 57 include $(TOPDIR)/Rules.make
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