2 # linux/arch/sh/boot/compressed/Makefile
4 # create a compressed vmlinux image from the original vmlinux
7 targets := vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o
8 EXTRA_AFLAGS := -traditional
10 OBJECTS = $(obj)/head.o $(obj)/misc.o
12 ifdef CONFIG_SH_STANDARD_BIOS
13 OBJECTS += $(obj)/../../kernel/sh_bios.o
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.
21 CONFIG_PAGE_OFFSET ?= 0x80000000
22 CONFIG_MEMORY_START ?= 0x0c000000
23 CONFIG_BOOT_LINK_OFFSET ?= 0x00800000
25 IMAGE_OFFSET := $(shell printf "0x%08x" $$[$(CONFIG_PAGE_OFFSET) + \
26 $(CONFIG_MEMORY_START) + \
27 $(CONFIG_BOOT_LINK_OFFSET)])
29 LIBGCC := $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
31 LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -e startup -T $(obj)/../../kernel/vmlinux.lds
34 $(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE
38 $(obj)/vmlinux.bin: vmlinux FORCE
39 $(call if_changed,objcopy)
41 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
42 $(call if_changed,gzip)
44 LDFLAGS_piggy.o := -r --format binary --oformat elf32-sh-linux -T
45 OBJCOPYFLAGS += -R .empty_zero_page
47 $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE