2 # linux/arch/arm/boot/compressed/Makefile
4 # create a compressed vmlinuz image from the original vmlinux
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_L7200),y)
26 ifeq ($(CONFIG_ARCH_P720T),y)
27 # Borrow this code from SA1100
31 ifeq ($(CONFIG_ARCH_SA1100),y)
35 ifeq ($(CONFIG_CPU_XSCALE),y)
39 ifeq ($(CONFIG_PXA_SHARPSL),y)
40 OBJS += head-sharpsl.o
43 ifeq ($(CONFIG_CPU_ENDIAN_BE32),y)
44 ifeq ($(CONFIG_CPU_CP15),y)
47 # The endian should be set by h/w design.
52 # We now have a PIC decompressor implementation. Decompressors running
53 # from RAM should not define ZTEXTADDR. Decompressors running directly
54 # from ROM or Flash must define ZTEXTADDR (preferably via the config)
55 # FIXME: Previous assignment to ztextaddr-y is lost here. See SHARK
56 ifeq ($(CONFIG_ZBOOT_ROM),y)
57 ZTEXTADDR := $(CONFIG_ZBOOT_ROM_TEXT)
58 ZBSSADDR := $(CONFIG_ZBOOT_ROM_BSS)
64 SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
66 suffix_$(CONFIG_KERNEL_GZIP) = gzip
67 suffix_$(CONFIG_KERNEL_LZO) = lzo
69 targets := vmlinux vmlinux.lds \
70 piggy.$(suffix_y) piggy.$(suffix_y).o \
71 font.o font.c head.o misc.o $(OBJS)
73 ifeq ($(CONFIG_FUNCTION_TRACER),y)
74 ORIG_CFLAGS := $(KBUILD_CFLAGS)
75 KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
78 EXTRA_CFLAGS := -fpic -fno-builtin
79 EXTRA_AFLAGS := -Wa,-march=all
81 # Supply ZRELADDR, INITRD_PHYS and PARAMS_PHYS to the decompressor via
82 # linker symbols. We only define initrd_phys and params_phys if the
83 # machine class defined the corresponding makefile variable.
84 LDFLAGS_vmlinux := --defsym zreladdr=$(ZRELADDR)
85 ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
86 LDFLAGS_vmlinux += --be8
88 ifneq ($(INITRD_PHYS),)
89 LDFLAGS_vmlinux += --defsym initrd_phys=$(INITRD_PHYS)
91 ifneq ($(PARAMS_PHYS),)
92 LDFLAGS_vmlinux += --defsym params_phys=$(PARAMS_PHYS)
96 # Report unresolved symbol references
97 LDFLAGS_vmlinux += --no-undefined
98 # Delete all temporary local symbols
100 # Next argument is a linker script
101 LDFLAGS_vmlinux += -T
103 # For __aeabi_uidivmod
104 lib1funcs = $(obj)/lib1funcs.o
106 $(obj)/lib1funcs.S: $(srctree)/arch/$(SRCARCH)/lib/lib1funcs.S FORCE
109 # Don't allow any static data in misc.o, which
110 # would otherwise mess up our GOT table
111 CFLAGS_misc.o := -Dstatic=
113 $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.$(suffix_y).o \
114 $(addprefix $(obj)/, $(OBJS)) $(lib1funcs) FORCE
115 $(call if_changed,ld)
118 $(obj)/piggy.$(suffix_y): $(obj)/../Image FORCE
119 $(call if_changed,$(suffix_y))
121 $(obj)/piggy.$(suffix_y).o: $(obj)/piggy.$(suffix_y) FORCE
123 CFLAGS_font.o := -Dstatic=
125 $(obj)/font.c: $(FONTC)
128 $(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile .config
129 @sed "$(SEDFLAGS)" < $< > $@