| # |
| # linux/arch/sh/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 \ |
| vmlinux.bin.lzo \ |
| head_$(BITS).o misc.o piggy.o |
| |
| OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o |
| |
| # |
| # IMAGE_OFFSET is the load offset of the compression loader |
| # |
| ifeq ($(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 |
| |
| LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) |
| |
| ifeq ($(CONFIG_MCOUNT),y) |
| ORIG_CFLAGS := $(KBUILD_CFLAGS) |
| KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS)) |
| endif |
| |
| LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \ |
| -T $(obj)/../../kernel/vmlinux.lds |
| |
| $(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE |
| $(call if_changed,ld) |
| @: |
| |
| $(obj)/vmlinux.bin: vmlinux FORCE |
| $(call if_changed,objcopy) |
| |
| vmlinux.bin.all-y := $(obj)/vmlinux.bin |
| |
| $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE |
| $(call if_changed,gzip) |
| $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE |
| $(call if_changed,bzip2) |
| $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE |
| $(call if_changed,lzma) |
| $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE |
| $(call if_changed,lzo) |
| |
| 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) |