xref: /linux/arch/arm64/boot/Makefile (revision 3a39d672e7f48b8d6b91a09afa4b55352773b4b5)
1#
2# arch/arm64/boot/Makefile
3#
4# This file is included by the global makefile so that you can add your own
5# architecture-specific flags and dependencies.
6#
7# This file is subject to the terms and conditions of the GNU General Public
8# License.  See the file "COPYING" in the main directory of this archive
9# for more details.
10#
11# Copyright (C) 2012, ARM Ltd.
12# Author: Will Deacon <will.deacon@arm.com>
13#
14# Based on the ia64 boot/Makefile.
15#
16
17OBJCOPYFLAGS_Image :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
18
19targets := Image Image.bz2 Image.gz Image.lz4 Image.lzma Image.lzo \
20	Image.zst Image.xz image.fit
21
22$(obj)/Image: vmlinux FORCE
23	$(call if_changed,objcopy)
24
25$(obj)/Image.bz2: $(obj)/Image FORCE
26	$(call if_changed,bzip2)
27
28$(obj)/Image.gz: $(obj)/Image FORCE
29	$(call if_changed,gzip)
30
31$(obj)/Image.lz4: $(obj)/Image FORCE
32	$(call if_changed,lz4)
33
34$(obj)/Image.lzma: $(obj)/Image FORCE
35	$(call if_changed,lzma)
36
37$(obj)/Image.lzo: $(obj)/Image FORCE
38	$(call if_changed,lzo)
39
40$(obj)/Image.zst: $(obj)/Image FORCE
41	$(call if_changed,zstd)
42
43$(obj)/Image.xz: $(obj)/Image FORCE
44	$(call if_changed,xzkern)
45
46$(obj)/image.fit: $(obj)/Image $(obj)/dts/dtbs-list FORCE
47	$(call if_changed,fit)
48
49EFI_ZBOOT_PAYLOAD	:= Image
50EFI_ZBOOT_BFD_TARGET	:= elf64-littleaarch64
51EFI_ZBOOT_MACH_TYPE	:= ARM64
52EFI_ZBOOT_FORWARD_CFI	:= $(CONFIG_ARM64_BTI_KERNEL)
53
54EFI_ZBOOT_OBJCOPY_FLAGS	= --add-symbol zboot_code_size=0x$$( \
55				$(NM) vmlinux|grep _kernel_codesize|cut -d' ' -f1)
56
57include $(srctree)/drivers/firmware/efi/libstub/Makefile.zboot
58