xref: /linux/arch/riscv/boot/Makefile (revision af0bc3ac9a9e830cb52b718ecb237c4e76a466be)
1#
2# arch/riscv/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) 2018, Anup Patel.
12# Author: Anup Patel <anup@brainfault.org>
13#
14# Based on the ia64 and arm64 boot/Makefile.
15#
16
17OBJCOPYFLAGS_Image :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
18OBJCOPYFLAGS_loader.bin :=-O binary
19OBJCOPYFLAGS_xipImage :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
20
21targets := Image Image.* loader loader.o loader.lds loader.bin xipImage
22
23ifeq ($(CONFIG_XIP_KERNEL),y)
24
25quiet_cmd_mkxip = $(quiet_cmd_objcopy)
26cmd_mkxip = $(cmd_objcopy)
27
28$(obj)/xipImage: vmlinux FORCE
29	$(call if_changed,mkxip)
30	@$(kecho) '  Physical Address of xipImage: $(CONFIG_XIP_PHYS_ADDR)'
31
32endif
33
34$(obj)/Image: vmlinux FORCE
35	$(call if_changed,objcopy)
36
37$(obj)/Image.gz: $(obj)/Image FORCE
38	$(call if_changed,gzip)
39
40$(obj)/loader.o: $(src)/loader.S $(obj)/Image
41
42$(obj)/loader: $(obj)/loader.o $(obj)/Image $(obj)/loader.lds FORCE
43	$(Q)$(LD) -T $(obj)/loader.lds -o $@ $(obj)/loader.o
44
45$(obj)/Image.bz2: $(obj)/Image FORCE
46	$(call if_changed,bzip2)
47
48$(obj)/Image.lz4: $(obj)/Image FORCE
49	$(call if_changed,lz4)
50
51$(obj)/Image.lzma: $(obj)/Image FORCE
52	$(call if_changed,lzma)
53
54$(obj)/Image.lzo: $(obj)/Image FORCE
55	$(call if_changed,lzo)
56
57$(obj)/Image.zst: $(obj)/Image FORCE
58	$(call if_changed,zstd)
59
60$(obj)/Image.xz: $(obj)/Image FORCE
61	$(call if_changed,xzkern)
62
63$(obj)/loader.bin: $(obj)/loader FORCE
64	$(call if_changed,objcopy)
65
66EFI_ZBOOT_PAYLOAD	:= Image
67EFI_ZBOOT_BFD_TARGET	:= elf$(BITS)-littleriscv
68EFI_ZBOOT_MACH_TYPE	:= RISCV$(BITS)
69
70include $(srctree)/drivers/firmware/efi/libstub/Makefile.zboot
71