2 # linux/arch/sh/boot/compressed/Makefile
4 # create a compressed vmlinux image from the original vmlinux
7 targets
:= vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o
8 EXTRA_AFLAGS
:= -traditional
10 OBJECTS
= $(obj
)/head.o
$(obj
)/misc.o
12 ifdef CONFIG_SH_STANDARD_BIOS
13 OBJECTS
+= $(obj
)/..
/..
/kernel
/sh_bios.o
17 # IMAGE_OFFSET is the load offset of the compression loader
18 # Assign dummy values if these 2 variables are not defined,
19 # in order to suppress error message.
21 CONFIG_PAGE_OFFSET ?
= 0x80000000
22 CONFIG_MEMORY_START ?
= 0x0c000000
23 CONFIG_BOOT_LINK_OFFSET ?
= 0x00800000
25 IMAGE_OFFSET
:= $(shell printf
"0x%08x" $$[$(CONFIG_PAGE_OFFSET
) + \
26 $(CONFIG_MEMORY_START
) + \
27 $(CONFIG_BOOT_LINK_OFFSET
)])
29 LIBGCC
:= $(shell $(CC
) $(CFLAGS
) -print-libgcc-file-name
)
31 LDFLAGS_vmlinux
:= -Ttext
$(IMAGE_OFFSET
) -e startup
-T
$(obj
)/..
/..
/kernel
/vmlinux.lds
34 $(obj
)/vmlinux
: $(OBJECTS
) $(obj
)/piggy.o
$(LIBGCC
) FORCE
38 $(obj
)/vmlinux.bin
: vmlinux FORCE
39 $(call if_changed
,objcopy
)
41 $(obj
)/vmlinux.bin.gz
: $(obj
)/vmlinux.bin FORCE
42 $(call if_changed
,gzip
)
44 LDFLAGS_piggy.o
:= -r
--format binary
--oformat elf32-sh-linux
-T
45 OBJCOPYFLAGS
+= -R .empty_zero_page
47 $(obj
)/piggy.o
: $(obj
)/vmlinux.scr
$(obj
)/vmlinux.bin.gz FORCE