| # |
| # linux/arch/s390/boot/compressed/Makefile |
| # |
| # create a compressed vmlinux image from the original vmlinux |
| # |
| |
| BITS := $(if $(CONFIG_64BIT),64,31) |
| |
| targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 |
| targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4 |
| targets += misc.o piggy.o sizes.h head$(BITS).o |
| |
| KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 |
| KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING |
| KBUILD_CFLAGS += $(cflags-y) |
| 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 += $(obj)/head$(BITS).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 |
| $(call if_changed,sizes) |
| |
| AFLAGS_head$(BITS).o += -I$(obj) |
| $(obj)/head$(BITS).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) |