| # | |
| # linux/arch/s390/boot/compressed/Makefile | |
| # | |
| # create a compressed vmlinux image from the original vmlinux | |
| # | |
| BITS := $(if $(CONFIG_64BIT),64,31) | |
| targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \ | |
| vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo misc.o piggy.o \ | |
| sizes.h head$(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_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.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) |