70 lines
2.1 KiB
Makefile
70 lines
2.1 KiB
Makefile
#
|
|
# linux/arch/s390/boot/compressed/Makefile
|
|
#
|
|
# create a compressed vmlinux image from the original vmlinux
|
|
#
|
|
|
|
targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2
|
|
targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4
|
|
targets += misc.o piggy.o sizes.h head.o
|
|
|
|
KBUILD_CFLAGS := -m64 -D__KERNEL__ $(LINUX_INCLUDE) -O2
|
|
KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
|
|
KBUILD_CFLAGS += $(cflags-y) -fno-delete-null-pointer-checks -msoft-float
|
|
KBUILD_CFLAGS += $(call cc-option,-mpacked-stack)
|
|
KBUILD_CFLAGS += $(call cc-option,-ffreestanding)
|
|
|
|
GCOV_PROFILE := n
|
|
|
|
OBJECTS := $(addprefix $(objtree)/arch/s390/kernel/, head.o sclp.o ebcdic.o)
|
|
OBJECTS += $(obj)/head.o $(obj)/misc.o $(obj)/piggy.o
|
|
|
|
LDFLAGS_vmlinux := --oformat $(LD_BFD) -e startup -T
|
|
$(obj)/vmlinux: $(obj)/vmlinux.lds $(OBJECTS)
|
|
$(call if_changed,ld)
|
|
@:
|
|
|
|
sed-sizes := -e 's/^\([0-9a-fA-F]*\) . \(__bss_start\|_end\)$$/\#define SZ\2 0x\1/p'
|
|
|
|
quiet_cmd_sizes = GEN $@
|
|
cmd_sizes = $(NM) $< | sed -n $(sed-sizes) > $@
|
|
|
|
$(obj)/sizes.h: vmlinux
|
|
$(call if_changed,sizes)
|
|
|
|
AFLAGS_head.o += -I$(obj)
|
|
$(obj)/head.o: $(obj)/sizes.h
|
|
|
|
CFLAGS_misc.o += -I$(obj)
|
|
$(obj)/misc.o: $(obj)/sizes.h
|
|
|
|
OBJCOPYFLAGS_vmlinux.bin := -R .comment -S
|
|
$(obj)/vmlinux.bin: vmlinux
|
|
$(call if_changed,objcopy)
|
|
|
|
vmlinux.bin.all-y := $(obj)/vmlinux.bin
|
|
|
|
suffix-$(CONFIG_KERNEL_GZIP) := gz
|
|
suffix-$(CONFIG_KERNEL_BZIP2) := bz2
|
|
suffix-$(CONFIG_KERNEL_LZ4) := lz4
|
|
suffix-$(CONFIG_KERNEL_LZMA) := lzma
|
|
suffix-$(CONFIG_KERNEL_LZO) := lzo
|
|
suffix-$(CONFIG_KERNEL_XZ) := xz
|
|
|
|
$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y)
|
|
$(call if_changed,gzip)
|
|
$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y)
|
|
$(call if_changed,bzip2)
|
|
$(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y)
|
|
$(call if_changed,lz4)
|
|
$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y)
|
|
$(call if_changed,lzma)
|
|
$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y)
|
|
$(call if_changed,lzo)
|
|
$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y)
|
|
$(call if_changed,xzkern)
|
|
|
|
LDFLAGS_piggy.o := -r --format binary --oformat $(LD_BFD) -T
|
|
$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y)
|
|
$(call if_changed,ld)
|