| # |
| # linux/arch/arm/boot/compressed/Makefile |
| # |
| # create a compressed vmlinuz image from the original vmlinux |
| # |
| |
| OBJS = |
| |
| # Ensure that mmcif loader code appears early in the image |
| # to minimise that number of bocks that have to be read in |
| # order to load it. |
| ifeq ($(CONFIG_ZBOOT_ROM_MMCIF),y) |
| ifeq ($(CONFIG_ARCH_SH7372),y) |
| OBJS += mmcif-sh7372.o |
| endif |
| endif |
| |
| AFLAGS_head.o += -DTEXT_OFFSET=$(TEXT_OFFSET) |
| HEAD = head.o |
| OBJS += misc.o decompress.o |
| FONTC = $(srctree)/drivers/video/console/font_acorn_8x8.c |
| |
| # |
| # Architecture dependencies |
| # |
| ifeq ($(CONFIG_ARCH_ACORN),y) |
| OBJS += ll_char_wr.o font.o |
| endif |
| |
| ifeq ($(CONFIG_ARCH_SHARK),y) |
| OBJS += head-shark.o ofw-shark.o |
| endif |
| |
| ifeq ($(CONFIG_ARCH_P720T),y) |
| # Borrow this code from SA1100 |
| OBJS += head-sa1100.o |
| endif |
| |
| ifeq ($(CONFIG_ARCH_SA1100),y) |
| OBJS += head-sa1100.o |
| endif |
| |
| ifeq ($(CONFIG_ARCH_VT8500),y) |
| OBJS += head-vt8500.o |
| endif |
| |
| ifeq ($(CONFIG_CPU_XSCALE),y) |
| OBJS += head-xscale.o |
| endif |
| |
| ifeq ($(CONFIG_PXA_SHARPSL_DETECT_MACH_ID),y) |
| OBJS += head-sharpsl.o |
| endif |
| |
| ifeq ($(CONFIG_CPU_ENDIAN_BE32),y) |
| ifeq ($(CONFIG_CPU_CP15),y) |
| OBJS += big-endian.o |
| else |
| # The endian should be set by h/w design. |
| endif |
| endif |
| |
| ifeq ($(CONFIG_ARCH_SHMOBILE),y) |
| OBJS += head-shmobile.o |
| endif |
| |
| # |
| # We now have a PIC decompressor implementation. Decompressors running |
| # from RAM should not define ZTEXTADDR. Decompressors running directly |
| # from ROM or Flash must define ZTEXTADDR (preferably via the config) |
| # FIXME: Previous assignment to ztextaddr-y is lost here. See SHARK |
| ifeq ($(CONFIG_ZBOOT_ROM),y) |
| ZTEXTADDR := $(CONFIG_ZBOOT_ROM_TEXT) |
| ZBSSADDR := $(CONFIG_ZBOOT_ROM_BSS) |
| else |
| ZTEXTADDR := 0 |
| ZBSSADDR := ALIGN(4) |
| endif |
| |
| SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/ |
| |
| suffix_$(CONFIG_KERNEL_GZIP) = gzip |
| suffix_$(CONFIG_KERNEL_LZO) = lzo |
| suffix_$(CONFIG_KERNEL_LZMA) = lzma |
| |
| targets := vmlinux vmlinux.lds \ |
| piggy.$(suffix_y) piggy.$(suffix_y).o \ |
| font.o font.c head.o misc.o $(OBJS) |
| |
| # Make sure files are removed during clean |
| extra-y += piggy.gzip piggy.lzo piggy.lzma lib1funcs.S |
| |
| ifeq ($(CONFIG_FUNCTION_TRACER),y) |
| ORIG_CFLAGS := $(KBUILD_CFLAGS) |
| KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS)) |
| endif |
| |
| ccflags-y := -fpic -fno-builtin |
| asflags-y := -Wa,-march=all |
| |
| # Provide size of uncompressed kernel to the decompressor via a linker symbol. |
| LDFLAGS_vmlinux = --defsym _image_size=$(shell stat -c "%s" $(obj)/../Image) |
| # Supply ZRELADDR to the decompressor via a linker symbol. |
| ifneq ($(CONFIG_AUTO_ZRELADDR),y) |
| LDFLAGS_vmlinux += --defsym zreladdr=$(ZRELADDR) |
| endif |
| ifeq ($(CONFIG_CPU_ENDIAN_BE8),y) |
| LDFLAGS_vmlinux += --be8 |
| endif |
| # ? |
| LDFLAGS_vmlinux += -p |
| # Report unresolved symbol references |
| LDFLAGS_vmlinux += --no-undefined |
| # Delete all temporary local symbols |
| LDFLAGS_vmlinux += -X |
| # Next argument is a linker script |
| LDFLAGS_vmlinux += -T |
| |
| # For __aeabi_uidivmod |
| lib1funcs = $(obj)/lib1funcs.o |
| |
| $(obj)/lib1funcs.S: $(srctree)/arch/$(SRCARCH)/lib/lib1funcs.S FORCE |
| $(call cmd,shipped) |
| |
| $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.$(suffix_y).o \ |
| $(addprefix $(obj)/, $(OBJS)) $(lib1funcs) FORCE |
| $(call if_changed,ld) |
| @: |
| |
| $(obj)/piggy.$(suffix_y): $(obj)/../Image FORCE |
| $(call if_changed,$(suffix_y)) |
| |
| $(obj)/piggy.$(suffix_y).o: $(obj)/piggy.$(suffix_y) FORCE |
| |
| CFLAGS_font.o := -Dstatic= |
| |
| $(obj)/font.c: $(FONTC) |
| $(call cmd,shipped) |
| |
| $(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile $(KCONFIG_CONFIG) |
| @sed "$(SEDFLAGS)" < $< > $@ |