xref: /linux/arch/riscv/boot/Makefile (revision 3269d6fb7580e91313f40dffcff70c01cd3f0717)
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
22targets := Image Image.* loader loader.o loader.lds loader.bin xipImage
23
24ifeq ($(CONFIG_XIP_KERNEL),y)
25
26quiet_cmd_mkxip = $(quiet_cmd_objcopy)
27cmd_mkxip = $(cmd_objcopy)
28
29$(obj)/xipImage: vmlinux FORCE
30	$(call if_changed,mkxip)
31	@$(kecho) '  Physical Address of xipImage: $(CONFIG_XIP_PHYS_ADDR)'
32
33endif
34
35ifdef CONFIG_RELOCATABLE
36vmlinux.relocs: vmlinux
37	@ (! [ -f vmlinux.relocs ] && echo "vmlinux.relocs can't be found, please remove vmlinux and try again") || true
38
39$(obj)/Image: vmlinux.relocs FORCE
40else
41$(obj)/Image: vmlinux FORCE
42endif
43	$(call if_changed,objcopy)
44
45$(obj)/Image.gz: $(obj)/Image FORCE
46	$(call if_changed,gzip)
47
48$(obj)/loader.o: $(src)/loader.S $(obj)/Image
49
50$(obj)/loader: $(obj)/loader.o $(obj)/Image $(obj)/loader.lds FORCE
51	$(Q)$(LD) -T $(obj)/loader.lds -o $@ $(obj)/loader.o
52
53$(obj)/Image.bz2: $(obj)/Image FORCE
54	$(call if_changed,bzip2)
55
56$(obj)/Image.lz4: $(obj)/Image FORCE
57	$(call if_changed,lz4)
58
59$(obj)/Image.lzma: $(obj)/Image FORCE
60	$(call if_changed,lzma)
61
62$(obj)/Image.lzo: $(obj)/Image FORCE
63	$(call if_changed,lzo)
64
65$(obj)/Image.zst: $(obj)/Image FORCE
66	$(call if_changed,zstd)
67
68$(obj)/loader.bin: $(obj)/loader FORCE
69	$(call if_changed,objcopy)
70
71EFI_ZBOOT_PAYLOAD	:= Image
72EFI_ZBOOT_BFD_TARGET	:= elf$(BITS)-littleriscv
73EFI_ZBOOT_MACH_TYPE	:= RISCV$(BITS)
74
75include $(srctree)/drivers/firmware/efi/libstub/Makefile.zboot
76