| # SPDX-License-Identifier: GPL-2.0 |
| # |
| # linux/arch/sh/boot/compressed/Makefile |
| # |
| # create a compressed vmlinux image from the original vmlinux |
| # |
| |
| OBJECTS := head_32.o misc.o cache.o piggy.o \ |
| ashiftrt.o ashldi3.o ashrsi3.o ashlsi3.o lshrsi3.o |
| |
| targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \ |
| vmlinux.bin.lzma vmlinux.bin.xz vmlinux.bin.lzo $(OBJECTS) |
| |
| GCOV_PROFILE := n |
| UBSAN_SANITIZE := n |
| |
| # |
| # IMAGE_OFFSET is the load offset of the compression loader |
| # |
| ifeq ($(CONFIG_32BIT),y) |
| IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \ |
| $$[$(CONFIG_MEMORY_START) + \ |
| $(CONFIG_BOOT_LINK_OFFSET)]') |
| else |
| IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \ |
| $$[$(CONFIG_PAGE_OFFSET) + \ |
| $(KERNEL_MEMORY) + \ |
| $(CONFIG_BOOT_LINK_OFFSET)]') |
| endif |
| |
| ccflags-remove-$(CONFIG_MCOUNT) += -pg |
| |
| LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \ |
| -T $(obj)/../../kernel/vmlinux.lds |
| |
| KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING |
| |
| $(obj)/vmlinux: $(addprefix $(obj)/, $(OBJECTS)) FORCE |
| $(call if_changed,ld) |
| |
| $(obj)/vmlinux.bin: vmlinux FORCE |
| $(call if_changed,objcopy) |
| |
| $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE |
| $(call if_changed,gzip) |
| $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE |
| $(call if_changed,bzip2_with_size) |
| $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE |
| $(call if_changed,lzma_with_size) |
| $(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORCE |
| $(call if_changed,xzkern_with_size) |
| $(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE |
| $(call if_changed,lzo_with_size) |
| |
| OBJCOPYFLAGS += -R .empty_zero_page |
| |
| LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T |
| |
| $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix_y) FORCE |
| $(call if_changed,ld) |