1# 2# linux/arch/sh/boot/compressed/Makefile 3# 4# create a compressed vmlinux image from the original vmlinux 5# 6 7targets := vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o 8EXTRA_AFLAGS := -traditional 9 10OBJECTS = $(obj)/head.o $(obj)/misc.o 11 12ifdef CONFIG_SH_STANDARD_BIOS 13OBJECTS += $(obj)/../../kernel/sh_bios.o 14endif 15 16# 17# IMAGE_OFFSET is the load offset of the compression loader 18# Assign dummy values if these 2 variables are not defined, 19# in order to suppress error message. 20# 21CONFIG_MEMORY_START ?= 0x0c000000 22CONFIG_BOOT_LINK_OFFSET ?= 0x00800000 23IMAGE_OFFSET := $(shell printf "0x%8x" $$[0x80000000+$(CONFIG_MEMORY_START)+$(CONFIG_BOOT_LINK_OFFSET)]) 24 25LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -e startup -T $(obj)/../../kernel/vmlinux.lds 26 27$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o FORCE 28 $(call if_changed,ld) 29 @: 30 31$(obj)/vmlinux.bin: vmlinux FORCE 32 $(call if_changed,objcopy) 33 34$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE 35 $(call if_changed,gzip) 36 37LDFLAGS_piggy.o := -r --format binary --oformat elf32-sh-linux -T 38OBJCOPYFLAGS += -R .empty_zero_page 39 40$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE 41 $(call if_changed,ld) 42