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# SPDX-License-Identifier: GPL-2.0
#
# linux/arch/m32r/boot/compressed/Makefile
#
# create a compressed vmlinux image from the original vmlinux
#
targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \
vmlinux.bin.lzma head.o misc.o piggy.o vmlinux.lds
OBJECTS = $(obj)/head.o $(obj)/misc.o
#
# IMAGE_OFFSET is the load offset of the compression loader
#
#IMAGE_OFFSET := $(shell printf "0x%08x" $$[$(CONFIG_MEMORY_START)+0x2000])
#IMAGE_OFFSET := $(shell printf "0x%08x" $$[$(CONFIG_MEMORY_START)+0x00400000])
LDFLAGS_vmlinux := -T
$(obj)/vmlinux: $(obj)/vmlinux.lds $(OBJECTS) $(obj)/piggy.o 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)
$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
$(call if_changed,lzma)
CFLAGS_misc.o += -fpic
ifdef CONFIG_MMU
LDFLAGS_piggy.o := -r --format binary --oformat elf32-m32r-linux -T
else
LDFLAGS_piggy.o := -r --format binary --oformat elf32-m32r -T
endif
OBJCOPYFLAGS += -R .empty_zero_page
suffix-$(CONFIG_KERNEL_GZIP) = gz
suffix-$(CONFIG_KERNEL_BZIP2) = bz2
suffix-$(CONFIG_KERNEL_LZMA) = lzma
$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
$(call if_changed,ld)
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