xref: /linux/arch/riscv/boot/Makefile (revision 55d0969c451159cff86949b38c39171cab962069)
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: $(CONFIG_XIP_PHYS_ADDR)'
31
32endif
33
34ifdef CONFIG_RELOCATABLE
35vmlinux.relocs: vmlinux
36	@ (! [ -f vmlinux.relocs ] && echo "vmlinux.relocs can't be found, please remove vmlinux and try again") || true
37
38$(obj)/Image: vmlinux.relocs FORCE
39else
40$(obj)/Image: vmlinux FORCE
41endif
42	$(call if_changed,objcopy)
43
44$(obj)/Image.gz: $(obj)/Image FORCE
45	$(call if_changed,gzip)
46
47$(obj)/loader.o: $(src)/loader.S $(obj)/Image
48
49$(obj)/loader: $(obj)/loader.o $(obj)/Image $(obj)/loader.lds FORCE
50	$(Q)$(LD) -T $(obj)/loader.lds -o $@ $(obj)/loader.o
51
52$(obj)/Image.bz2: $(obj)/Image FORCE
53	$(call if_changed,bzip2)
54
55$(obj)/Image.lz4: $(obj)/Image FORCE
56	$(call if_changed,lz4)
57
58$(obj)/Image.lzma: $(obj)/Image FORCE
59	$(call if_changed,lzma)
60
61$(obj)/Image.lzo: $(obj)/Image FORCE
62	$(call if_changed,lzo)
63
64$(obj)/Image.zst: $(obj)/Image FORCE
65	$(call if_changed,zstd)
66
67$(obj)/Image.xz: $(obj)/Image FORCE
68	$(call if_changed,xzkern)
69
70$(obj)/loader.bin: $(obj)/loader FORCE
71	$(call if_changed,objcopy)
72
73EFI_ZBOOT_PAYLOAD	:= Image
74EFI_ZBOOT_BFD_TARGET	:= elf$(BITS)-littleriscv
75EFI_ZBOOT_MACH_TYPE	:= RISCV$(BITS)
76
77include $(srctree)/drivers/firmware/efi/libstub/Makefile.zboot
78