2 # linux/arch/s390/boot/compressed/Makefile
4 # create a compressed vmlinux image from the original vmlinux
7 BITS
:= $(if
$(CONFIG_64BIT
),64,31)
9 targets
:= vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \
10 vmlinux.bin.lzma vmlinux.bin.lzo misc.o piggy.o sizes.h head
$(BITS
).o
12 KBUILD_CFLAGS
:= -m
$(BITS
) -D__KERNEL__
$(LINUX_INCLUDE
) -O2
13 KBUILD_CFLAGS
+= $(cflags-y
)
14 KBUILD_CFLAGS
+= $(call cc-option
,-mpacked-stack
)
15 KBUILD_CFLAGS
+= $(call cc-option
,-ffreestanding
)
19 OBJECTS
:= $(addprefix $(objtree
)/arch
/s390
/kernel
/, head.o sclp.o ebcdic.o
)
20 OBJECTS
+= $(obj
)/head
$(BITS
).o
$(obj
)/misc.o
$(obj
)/piggy.o
22 LDFLAGS_vmlinux
:= --oformat
$(LD_BFD
) -e startup
-T
23 $(obj
)/vmlinux
: $(obj
)/vmlinux.lds
$(OBJECTS
)
27 sed-sizes
:= -e
's/^\([0-9a-fA-F]*\) . \(__bss_start\|_end\)$$/\#define SZ\2 0x\1/p'
29 quiet_cmd_sizes
= GEN
$@
30 cmd_sizes
= $(NM
) $< | sed
-n
$(sed-sizes
) > $@
32 $(obj
)/sizes.h
: vmlinux
33 $(call if_changed
,sizes
)
35 AFLAGS_head
$(BITS
).o
+= -I
$(obj
)
36 $(obj
)/head
$(BITS
).o
: $(obj
)/sizes.h
38 CFLAGS_misc.o
+= -I
$(obj
)
39 $(obj
)/misc.o
: $(obj
)/sizes.h
41 OBJCOPYFLAGS_vmlinux.bin
:= -R .comment
-S
42 $(obj
)/vmlinux.bin
: vmlinux
43 $(call if_changed
,objcopy
)
45 vmlinux.bin.all-y
:= $(obj
)/vmlinux.bin
47 suffix-
$(CONFIG_KERNEL_GZIP
) := gz
48 suffix-
$(CONFIG_KERNEL_BZIP2
) := bz2
49 suffix-
$(CONFIG_KERNEL_LZMA
) := lzma
50 suffix-
$(CONFIG_KERNEL_LZO
) := lzo
52 $(obj
)/vmlinux.bin.gz
: $(vmlinux.bin.all-y
)
53 $(call if_changed
,gzip
)
54 $(obj
)/vmlinux.bin.bz2
: $(vmlinux.bin.all-y
)
55 $(call if_changed
,bzip2
)
56 $(obj
)/vmlinux.bin.lzma
: $(vmlinux.bin.all-y
)
57 $(call if_changed
,lzma
)
58 $(obj
)/vmlinux.bin.lzo
: $(vmlinux.bin.all-y
)
59 $(call if_changed
,lzo
)
61 LDFLAGS_piggy.o
:= -r
--format binary
--oformat
$(LD_BFD
) -T
62 $(obj
)/piggy.o
: $(obj
)/vmlinux.scr
$(obj
)/vmlinux.bin.
$(suffix-y
)
