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 8 9OBJECTS = $(obj)/head.o $(obj)/misc.o 10 11# 12# IMAGE_OFFSET is the load offset of the compression loader 13# Assign dummy values if these 2 variables are not defined, 14# in order to suppress error message. 15# 16CONFIG_MEMORY_START ?= 0x00400000 17CONFIG_BOOT_LINK_OFFSET ?= 0x00280000 18IMAGE_OFFSET := $(shell printf "0x%08x" $$(($(CONFIG_MEMORY_START)+$(CONFIG_BOOT_LINK_OFFSET)))) 19 20LIBGCC := $(shell $(CROSS-COMPILE)$(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) 21LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -estartup -T $(obj)/vmlinux.lds \ 22 --defsym output=$(CONFIG_MEMORY_START) 23 24$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE 25 $(call if_changed,ld) 26 27$(obj)/vmlinux.bin: vmlinux FORCE 28 $(call if_changed,objcopy) 29 30suffix-$(CONFIG_KERNEL_GZIP) := gzip 31suffix-$(CONFIG_KERNEL_LZO) := lzo 32 33$(obj)/vmlinux.bin.$(suffix-y): $(obj)/vmlinux.bin FORCE 34 $(call if_changed,$(suffix-y)) 35 36LDFLAGS_piggy.o := -r --format binary --oformat elf32-h8300-linux -T 37OBJCOPYFLAGS := -O binary 38 39$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE 40 $(call if_changed,ld) 41 42CFLAGS_misc.o = -O0 43