| Paul Mundt | 1eca133 | 2009-05-10 00:58:21 +0900 | [diff] [blame] | 1 | # |
| 2 | # linux/arch/sh/boot/compressed/Makefile |
| 3 | # |
| 4 | # create a compressed vmlinux image from the original vmlinux |
| 5 | # |
| 6 | |
| 7 | targets := vmlinux vmlinux.bin vmlinux.bin.gz \ |
| Paul Mundt | 07e88e1 | 2009-07-11 13:21:19 -0400 | [diff] [blame^] | 8 | vmlinux.bin.bz2 vmlinux.bin.lzma \ |
| Paul Mundt | 1eca133 | 2009-05-10 00:58:21 +0900 | [diff] [blame] | 9 | head_$(BITS).o misc_$(BITS).o piggy.o |
| 10 | |
| 11 | OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc_$(BITS).o $(obj)/cache.o |
| 12 | |
| 13 | ifdef CONFIG_SH_STANDARD_BIOS |
| 14 | OBJECTS += $(obj)/../../kernel/sh_bios.o |
| 15 | endif |
| 16 | |
| 17 | # |
| 18 | # IMAGE_OFFSET is the load offset of the compression loader |
| 19 | # |
| 20 | IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \ |
| 21 | $$[$(CONFIG_PAGE_OFFSET) + \ |
| 22 | $(KERNEL_MEMORY) + \ |
| 23 | $(CONFIG_BOOT_LINK_OFFSET)]') |
| 24 | |
| 25 | LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) |
| 26 | |
| 27 | ifeq ($(CONFIG_FUNCTION_TRACER),y) |
| 28 | ORIG_CFLAGS := $(KBUILD_CFLAGS) |
| 29 | KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS)) |
| 30 | endif |
| 31 | |
| 32 | LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \ |
| 33 | -T $(obj)/../../kernel/vmlinux.lds |
| 34 | |
| 35 | $(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE |
| 36 | $(call if_changed,ld) |
| 37 | @: |
| 38 | |
| 39 | $(obj)/vmlinux.bin: vmlinux FORCE |
| 40 | $(call if_changed,objcopy) |
| 41 | |
| Paul Mundt | 07e88e1 | 2009-07-11 13:21:19 -0400 | [diff] [blame^] | 42 | vmlinux.bin.all-y := $(obj)/vmlinux.bin |
| 43 | |
| 44 | $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE |
| Paul Mundt | 1eca133 | 2009-05-10 00:58:21 +0900 | [diff] [blame] | 45 | $(call if_changed,gzip) |
| Paul Mundt | 07e88e1 | 2009-07-11 13:21:19 -0400 | [diff] [blame^] | 46 | $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE |
| 47 | $(call if_changed,bzip2) |
| 48 | $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE |
| 49 | $(call if_changed,lzma) |
| 50 | |
| 51 | suffix-$(CONFIG_KERNEL_GZIP) := gz |
| 52 | suffix-$(CONFIG_KERNEL_BZIP2) := bz2 |
| 53 | suffix-$(CONFIG_KERNEL_LZMA) := lzma |
| Paul Mundt | 1eca133 | 2009-05-10 00:58:21 +0900 | [diff] [blame] | 54 | |
| 55 | OBJCOPYFLAGS += -R .empty_zero_page |
| 56 | |
| Paul Mundt | 07e88e1 | 2009-07-11 13:21:19 -0400 | [diff] [blame^] | 57 | LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T |
| 58 | |
| 59 | $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE |
| 60 | $(call if_changed,ld) |