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Makefile | 2008-12-24 | 2.7 KB | 115 lines |
- #
- # linux/arch/arm/boot/compressed/Makefile
- #
- # create a compressed vmlinuz image from the original vmlinux
- #
-
- HEAD = head.o
- OBJS = misc.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_L7200),y)
- OBJS += head-l7200.o
- endif
-
- ifeq ($(CONFIG_ARCH_CLPS7500),y)
- HEAD = head-clps7500.o
- endif
-
- ifeq ($(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_CPU_XSCALE),y)
- OBJS += head-xscale.o
- endif
-
- ifeq ($(CONFIG_PXA_SHARPSL),y)
- OBJS += head-sharpsl.o
- endif
-
- ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
- ifeq ($(CONFIG_CPU_CP15),y)
- OBJS += big-endian.o
- else
- # The endian should be set by h/w design.
- endif
- endif
-
- #
- # We now have a PIC decompressor implementation. Decompressors running
- # from RAM should not define ZTEXTADDR. Decompressors running directly
- # from ROM or Flash must define ZTEXTADDR (preferably via the config)
- # FIXME: Previous assignment to ztextaddr-y is lost here. See SHARK
- ifeq ($(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)/
-
- targets := vmlinux vmlinux.lds piggy.gz piggy.o font.o font.c \
- head.o misc.o $(OBJS)
-
- ifeq ($(CONFIG_FUNCTION_TRACER),y)
- ORIG_CFLAGS := $(KBUILD_CFLAGS)
- KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
- endif
-
- EXTRA_CFLAGS := -fpic -fno-builtin
- EXTRA_AFLAGS := -Wa,-march=all
-
- # Supply ZRELADDR, INITRD_PHYS and PARAMS_PHYS to the decompressor via
- # linker symbols. We only define initrd_phys and params_phys if the
- # machine class defined the corresponding makefile variable.
- LDFLAGS_vmlinux := --defsym zreladdr=$(ZRELADDR)
- ifneq ($(INITRD_PHYS),)
- LDFLAGS_vmlinux += --defsym initrd_phys=$(INITRD_PHYS)
- endif
- ifneq ($(PARAMS_PHYS),)
- LDFLAGS_vmlinux += --defsym params_phys=$(PARAMS_PHYS)
- endif
- LDFLAGS_vmlinux += -p --no-undefined -X \
- $(shell $(CC) $(KBUILD_CFLAGS) --print-libgcc-file-name) -T
-
- # Don't allow any static data in misc.o, which
- # would otherwise mess up our GOT table
- CFLAGS_misc.o := -Dstatic=
-
- $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.o \
- $(addprefix $(obj)/, $(OBJS)) FORCE
- $(call if_changed,ld)
- @:
-
- $(obj)/piggy.gz: $(obj)/../Image FORCE
- $(call if_changed,gzip)
-
- $(obj)/piggy.o: $(obj)/piggy.gz FORCE
-
- CFLAGS_font.o := -Dstatic=
-
- $(obj)/font.c: $(FONTC)
- $(call cmd,shipped)
-
- $(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile .config
- @sed "$(SEDFLAGS)" < $< > $@
-