2 # linux/arch/arm/boot/compressed/Makefile
4 # create a compressed vmlinuz image from the original vmlinux
8 OBJS = misc.o decompress.o
9 FONTC = $(srctree)/drivers/video/console/font_acorn_8x8.c
12 # Architecture dependencies
14 ifeq ($(CONFIG_ARCH_ACORN),y)
15 OBJS += ll_char_wr.o font.o
18 ifeq ($(CONFIG_ARCH_SHARK),y)
19 OBJS += head-shark.o ofw-shark.o
22 ifeq ($(CONFIG_ARCH_P720T),y)
23 # Borrow this code from SA1100
27 ifeq ($(CONFIG_ARCH_SA1100),y)
31 ifeq ($(CONFIG_CPU_XSCALE),y)
35 ifeq ($(CONFIG_PXA_SHARPSL),y)
36 OBJS += head-sharpsl.o
39 ifeq ($(CONFIG_CPU_ENDIAN_BE32),y)
40 ifeq ($(CONFIG_CPU_CP15),y)
43 # The endian should be set by h/w design.
48 # We now have a PIC decompressor implementation. Decompressors running
49 # from RAM should not define ZTEXTADDR. Decompressors running directly
50 # from ROM or Flash must define ZTEXTADDR (preferably via the config)
51 # FIXME: Previous assignment to ztextaddr-y is lost here. See SHARK
52 ifeq ($(CONFIG_ZBOOT_ROM),y)
53 ZTEXTADDR := $(CONFIG_ZBOOT_ROM_TEXT)
54 ZBSSADDR := $(CONFIG_ZBOOT_ROM_BSS)
60 SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
62 suffix_$(CONFIG_KERNEL_GZIP) = gzip
63 suffix_$(CONFIG_KERNEL_LZO) = lzo
64 suffix_$(CONFIG_KERNEL_LZMA) = lzma
66 targets := vmlinux vmlinux.lds \
67 piggy.$(suffix_y) piggy.$(suffix_y).o \
68 font.o font.c head.o misc.o $(OBJS)
70 ifeq ($(CONFIG_FUNCTION_TRACER),y)
71 ORIG_CFLAGS := $(KBUILD_CFLAGS)
72 KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
75 EXTRA_CFLAGS := -fpic -fno-builtin
76 EXTRA_AFLAGS := -Wa,-march=all
78 # Supply ZRELADDR, INITRD_PHYS and PARAMS_PHYS to the decompressor via
79 # linker symbols. We only define initrd_phys and params_phys if the
80 # machine class defined the corresponding makefile variable.
81 LDFLAGS_vmlinux := --defsym zreladdr=$(ZRELADDR)
82 ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
83 LDFLAGS_vmlinux += --be8
85 ifneq ($(INITRD_PHYS),)
86 LDFLAGS_vmlinux += --defsym initrd_phys=$(INITRD_PHYS)
88 ifneq ($(PARAMS_PHYS),)
89 LDFLAGS_vmlinux += --defsym params_phys=$(PARAMS_PHYS)
93 # Report unresolved symbol references
94 LDFLAGS_vmlinux += --no-undefined
95 # Delete all temporary local symbols
97 # Next argument is a linker script
100 # For __aeabi_uidivmod
101 lib1funcs = $(obj)/lib1funcs.o
103 $(obj)/lib1funcs.S: $(srctree)/arch/$(SRCARCH)/lib/lib1funcs.S FORCE
106 $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.$(suffix_y).o \
107 $(addprefix $(obj)/, $(OBJS)) $(lib1funcs) FORCE
108 $(call if_changed,ld)
111 $(obj)/piggy.$(suffix_y): $(obj)/../Image FORCE
112 $(call if_changed,$(suffix_y))
114 $(obj)/piggy.$(suffix_y).o: $(obj)/piggy.$(suffix_y) FORCE
116 CFLAGS_font.o := -Dstatic=
118 $(obj)/font.c: $(FONTC)
121 $(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile .config
122 @sed "$(SEDFLAGS)" < $< > $@