linux/arch/s390/boot/compressed/Makefile
Heiko Carstens 9090f3feb3 s390/sclp: move early printk code to drivers
Move the early sclp printk code to the drivers folder where also the
rest of the sclp code can be found. This way it is possible to use the
sclp private header files for further cleanups.

Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2017-02-08 14:13:17 +01:00

73 lines
2.2 KiB
Makefile

#
# linux/arch/s390/boot/compressed/Makefile
#
# create a compressed vmlinux image from the original vmlinux
#
KCOV_INSTRUMENT := n
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__ -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
UBSAN_SANITIZE := n
OBJECTS := $(addprefix $(objtree)/arch/s390/kernel/, head.o ebcdic.o als.o)
OBJECTS += $(objtree)/drivers/s390/char/sclp_early_core.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
$(call if_changed,sizes)
AFLAGS_head.o += -I$(objtree)/$(obj)
$(obj)/head.o: $(obj)/sizes.h
CFLAGS_misc.o += -I$(objtree)/$(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)