2 # linux/arch/arm/boot/compressed/Makefile
4 # create a compressed vmlinuz image from the original vmlinux
7 AFLAGS_head.o += -DTEXT_OFFSET=$(TEXT_OFFSET)
9 OBJS = misc.o decompress.o
10 FONTC = $(srctree)/drivers/video/console/font_acorn_8x8.c
13 # Architecture dependencies
15 ifeq ($(CONFIG_ARCH_ACORN),y)
16 OBJS += ll_char_wr.o font.o
19 ifeq ($(CONFIG_ARCH_SHARK),y)
20 OBJS += head-shark.o ofw-shark.o
23 ifeq ($(CONFIG_ARCH_P720T),y)
24 # Borrow this code from SA1100
28 ifeq ($(CONFIG_ARCH_SA1100),y)
32 ifeq ($(CONFIG_CPU_XSCALE),y)
36 ifeq ($(CONFIG_PXA_SHARPSL_DETECT_MACH_ID),y)
37 OBJS += head-sharpsl.o
40 ifeq ($(CONFIG_CPU_ENDIAN_BE32),y)
41 ifeq ($(CONFIG_CPU_CP15),y)
44 # The endian should be set by h/w design.
48 ifeq ($(CONFIG_ARCH_SHMOBILE),y)
49 OBJS += head-shmobile.o
53 # We now have a PIC decompressor implementation. Decompressors running
54 # from RAM should not define ZTEXTADDR. Decompressors running directly
55 # from ROM or Flash must define ZTEXTADDR (preferably via the config)
56 # FIXME: Previous assignment to ztextaddr-y is lost here. See SHARK
57 ifeq ($(CONFIG_ZBOOT_ROM),y)
58 ZTEXTADDR := $(CONFIG_ZBOOT_ROM_TEXT)
59 ZBSSADDR := $(CONFIG_ZBOOT_ROM_BSS)
65 SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
67 suffix_$(CONFIG_KERNEL_GZIP) = gzip
68 suffix_$(CONFIG_KERNEL_LZO) = lzo
69 suffix_$(CONFIG_KERNEL_LZMA) = lzma
71 targets := vmlinux vmlinux.lds \
72 piggy.$(suffix_y) piggy.$(suffix_y).o \
73 font.o font.c head.o misc.o $(OBJS)
75 # Make sure files are removed during clean
76 extra-y += piggy.gzip piggy.lzo piggy.lzma lib1funcs.S
78 ifeq ($(CONFIG_FUNCTION_TRACER),y)
79 ORIG_CFLAGS := $(KBUILD_CFLAGS)
80 KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
83 EXTRA_CFLAGS := -fpic -fno-builtin
84 EXTRA_AFLAGS := -Wa,-march=all
86 # Supply ZRELADDR to the decompressor via a linker symbol.
87 ifneq ($(CONFIG_AUTO_ZRELADDR),y)
88 LDFLAGS_vmlinux := --defsym zreladdr=$(ZRELADDR)
90 ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
91 LDFLAGS_vmlinux += --be8
95 # Report unresolved symbol references
96 LDFLAGS_vmlinux += --no-undefined
97 # Delete all temporary local symbols
99 # Next argument is a linker script
100 LDFLAGS_vmlinux += -T
102 # For __aeabi_uidivmod
103 lib1funcs = $(obj)/lib1funcs.o
105 $(obj)/lib1funcs.S: $(srctree)/arch/$(SRCARCH)/lib/lib1funcs.S FORCE
108 $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.$(suffix_y).o \
109 $(addprefix $(obj)/, $(OBJS)) $(lib1funcs) FORCE
110 $(call if_changed,ld)
113 $(obj)/piggy.$(suffix_y): $(obj)/../Image FORCE
114 $(call if_changed,$(suffix_y))
116 $(obj)/piggy.$(suffix_y).o: $(obj)/piggy.$(suffix_y) FORCE
118 CFLAGS_font.o := -Dstatic=
120 $(obj)/font.c: $(FONTC)
123 $(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile $(KCONFIG_CONFIG)
124 @sed "$(SEDFLAGS)" < $< > $@