xref: /openbmc/linux/arch/arm64/boot/Makefile (revision 081e8df6)
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 Image.zst
20
21$(obj)/Image: vmlinux FORCE
22	$(call if_changed,objcopy)
23
24$(obj)/Image.bz2: $(obj)/Image FORCE
25	$(call if_changed,bzip2)
26
27$(obj)/Image.gz: $(obj)/Image FORCE
28	$(call if_changed,gzip)
29
30$(obj)/Image.lz4: $(obj)/Image FORCE
31	$(call if_changed,lz4)
32
33$(obj)/Image.lzma: $(obj)/Image FORCE
34	$(call if_changed,lzma)
35
36$(obj)/Image.lzo: $(obj)/Image FORCE
37	$(call if_changed,lzo)
38
39$(obj)/Image.zst: $(obj)/Image FORCE
40	$(call if_changed,zstd)
41
42EFI_ZBOOT_PAYLOAD	:= Image
43EFI_ZBOOT_BFD_TARGET	:= elf64-littleaarch64
44EFI_ZBOOT_MACH_TYPE	:= ARM64
45EFI_ZBOOT_FORWARD_CFI	:= $(CONFIG_ARM64_BTI_KERNEL)
46
47EFI_ZBOOT_OBJCOPY_FLAGS	= --add-symbol zboot_code_size=0x$(shell \
48				$(NM) vmlinux|grep _kernel_codesize|cut -d' ' -f1)
49
50include $(srctree)/drivers/firmware/efi/libstub/Makefile.zboot
51