mirror of
https://github.com/torvalds/linux
synced 2024-10-04 10:26:40 +00:00
559d1e45a1
To circumvent an issue where placing the relocations inside the init sections produces empty relocations, use --emit-relocs. But to avoid carrying those relocations in vmlinux, use an intermediate vmlinux.relocs file which is a copy of vmlinux *before* stripping its relocations. Suggested-by: Björn Töpel <bjorn@kernel.org> Suggested-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com> Link: https://lore.kernel.org/r/20230329045329.64565-7-alexghiti@rivosinc.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
77 lines
2 KiB
Makefile
77 lines
2 KiB
Makefile
#
|
|
# arch/riscv/boot/Makefile
|
|
#
|
|
# This file is included by the global makefile so that you can add your own
|
|
# architecture-specific flags and dependencies.
|
|
#
|
|
# This file is subject to the terms and conditions of the GNU General Public
|
|
# License. See the file "COPYING" in the main directory of this archive
|
|
# for more details.
|
|
#
|
|
# Copyright (C) 2018, Anup Patel.
|
|
# Author: Anup Patel <anup@brainfault.org>
|
|
#
|
|
# Based on the ia64 and arm64 boot/Makefile.
|
|
#
|
|
|
|
KCOV_INSTRUMENT := n
|
|
|
|
OBJCOPYFLAGS_Image :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
|
|
OBJCOPYFLAGS_xipImage :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
|
|
|
|
targets := Image Image.* loader loader.o loader.lds loader.bin
|
|
targets := Image Image.* loader loader.o loader.lds loader.bin xipImage
|
|
|
|
ifeq ($(CONFIG_XIP_KERNEL),y)
|
|
|
|
quiet_cmd_mkxip = $(quiet_cmd_objcopy)
|
|
cmd_mkxip = $(cmd_objcopy)
|
|
|
|
$(obj)/xipImage: vmlinux FORCE
|
|
$(call if_changed,mkxip)
|
|
@$(kecho) ' Physical Address of xipImage: $(CONFIG_XIP_PHYS_ADDR)'
|
|
|
|
endif
|
|
|
|
ifdef CONFIG_RELOCATABLE
|
|
vmlinux.relocs: vmlinux
|
|
@ (! [ -f vmlinux.relocs ] && echo "vmlinux.relocs can't be found, please remove vmlinux and try again") || true
|
|
|
|
$(obj)/Image: vmlinux.relocs FORCE
|
|
else
|
|
$(obj)/Image: vmlinux FORCE
|
|
endif
|
|
$(call if_changed,objcopy)
|
|
|
|
$(obj)/Image.gz: $(obj)/Image FORCE
|
|
$(call if_changed,gzip)
|
|
|
|
$(obj)/loader.o: $(src)/loader.S $(obj)/Image
|
|
|
|
$(obj)/loader: $(obj)/loader.o $(obj)/Image $(obj)/loader.lds FORCE
|
|
$(Q)$(LD) -T $(obj)/loader.lds -o $@ $(obj)/loader.o
|
|
|
|
$(obj)/Image.bz2: $(obj)/Image FORCE
|
|
$(call if_changed,bzip2)
|
|
|
|
$(obj)/Image.lz4: $(obj)/Image FORCE
|
|
$(call if_changed,lz4)
|
|
|
|
$(obj)/Image.lzma: $(obj)/Image FORCE
|
|
$(call if_changed,lzma)
|
|
|
|
$(obj)/Image.lzo: $(obj)/Image FORCE
|
|
$(call if_changed,lzo)
|
|
|
|
$(obj)/Image.zst: $(obj)/Image FORCE
|
|
$(call if_changed,zstd)
|
|
|
|
$(obj)/loader.bin: $(obj)/loader FORCE
|
|
$(call if_changed,objcopy)
|
|
|
|
EFI_ZBOOT_PAYLOAD := Image
|
|
EFI_ZBOOT_BFD_TARGET := elf$(BITS)-littleriscv
|
|
EFI_ZBOOT_MACH_TYPE := RISCV$(BITS)
|
|
|
|
include $(srctree)/drivers/firmware/efi/libstub/Makefile.zboot
|