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_MACH_BRCM_NS
),y
)
42 OBJS
+= mpcore_cache.o
44 $(obj
)/mpcore_cache.S
: arch
/$(SRCARCH
)/plat-brcm
/mpcore_cache.S FORCE
48 ifeq ($(CONFIG_CPU_ENDIAN_BE32
),y
)
49 ifeq ($(CONFIG_CPU_CP15
),y
)
52 # The endian should be set by h/w design.
57 # We now have a PIC decompressor implementation. Decompressors running
58 # from RAM should not define ZTEXTADDR. Decompressors running directly
59 # from ROM or Flash must define ZTEXTADDR (preferably via the config)
60 ifeq ($(CONFIG_ZBOOT_ROM
),y
)
61 ZTEXTADDR
:= $(CONFIG_ZBOOT_ROM_TEXT
)
62 ZBSSADDR
:= $(CONFIG_ZBOOT_ROM_BSS
)
68 SEDFLAGS
= s
/TEXT_START
/$(ZTEXTADDR
)/;s
/BSS_START
/$(ZBSSADDR
)/
70 suffix_
$(CONFIG_KERNEL_GZIP
) = gzip
71 suffix_
$(CONFIG_KERNEL_LZO
) = lzo
72 suffix_
$(CONFIG_KERNEL_LZMA
) = lzma
74 targets
:= vmlinux vmlinux.lds \
75 piggy.
$(suffix_y
) piggy.
$(suffix_y
).o \
76 font.o font.c head.o misc.o
$(OBJS
)
78 # Make sure files are removed during clean
79 extra-y
+= piggy.gzip piggy.lzo piggy.lzma lib1funcs.S
81 ifeq ($(CONFIG_FUNCTION_TRACER
),y
)
82 ORIG_CFLAGS
:= $(KBUILD_CFLAGS
)
83 KBUILD_CFLAGS
= $(subst -pg
, , $(ORIG_CFLAGS
))
86 EXTRA_CFLAGS
:= -fpic
-fno-builtin
87 EXTRA_AFLAGS
:= -Wa
,-march
=all
89 # Supply ZRELADDR to the decompressor via a linker symbol.
90 ifneq ($(CONFIG_AUTO_ZRELADDR
),y
)
91 LDFLAGS_vmlinux
:= --defsym zreladdr
=$(ZRELADDR
)
93 ifeq ($(CONFIG_CPU_ENDIAN_BE8
),y
)
94 LDFLAGS_vmlinux
+= --be8
98 # Report unresolved symbol references
99 LDFLAGS_vmlinux
+= --no-undefined
100 # Delete all temporary local symbols
101 LDFLAGS_vmlinux
+= -X
102 # Next argument is a linker script
103 LDFLAGS_vmlinux
+= -T
105 # For __aeabi_uidivmod
106 lib1funcs
= $(obj
)/lib1funcs.o
108 $(obj
)/lib1funcs.S
: $(srctree
)/arch
/$(SRCARCH
)/lib
/lib1funcs.S FORCE
111 $(obj
)/vmlinux
: $(obj
)/vmlinux.lds
$(obj
)/$(HEAD
) $(obj
)/piggy.
$(suffix_y
).o \
112 $(addprefix $(obj
)/, $(OBJS
)) $(lib1funcs
) FORCE
113 $(call if_changed
,ld)
116 $(obj
)/piggy.
$(suffix_y
): $(obj
)/..
/Image FORCE
117 $(call if_changed
,$(suffix_y
))
119 $(obj
)/piggy.
$(suffix_y
).o
: $(obj
)/piggy.
$(suffix_y
) FORCE
121 CFLAGS_font.o
:= -Dstatic
=
123 $(obj
)/font.c
: $(FONTC
)
126 $(obj
)/vmlinux.lds
: $(obj
)/vmlinux.lds.in arch
/arm
/boot
/Makefile
$(KCONFIG_CONFIG
)
127 @sed
"$(SEDFLAGS)" < $< > $@