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Direktori : /usr/src/linux-headers-5.15.0-125-generic/arch/s390/boot/ |
Current File : //usr/src/linux-headers-5.15.0-125-generic/arch/s390/boot/Makefile |
# SPDX-License-Identifier: GPL-2.0 # # Makefile for the linux s390-specific parts of the memory manager. # KCOV_INSTRUMENT := n GCOV_PROFILE := n UBSAN_SANITIZE := n KASAN_SANITIZE := n KCSAN_SANITIZE := n KBUILD_AFLAGS := $(KBUILD_AFLAGS_DECOMPRESSOR) KBUILD_CFLAGS := $(KBUILD_CFLAGS_DECOMPRESSOR) # # Use minimum architecture for als.c to be able to print an error # message if the kernel is started on a machine which is too old # ifndef CONFIG_CC_IS_CLANG CC_FLAGS_MARCH_MINIMUM := -march=z900 else CC_FLAGS_MARCH_MINIMUM := -march=z10 endif ifneq ($(CC_FLAGS_MARCH),$(CC_FLAGS_MARCH_MINIMUM)) AFLAGS_REMOVE_head.o += $(CC_FLAGS_MARCH) AFLAGS_head.o += $(CC_FLAGS_MARCH_MINIMUM) AFLAGS_REMOVE_mem.o += $(CC_FLAGS_MARCH) AFLAGS_mem.o += $(CC_FLAGS_MARCH_MINIMUM) CFLAGS_REMOVE_als.o += $(CC_FLAGS_MARCH) CFLAGS_als.o += $(CC_FLAGS_MARCH_MINIMUM) CFLAGS_REMOVE_sclp_early_core.o += $(CC_FLAGS_MARCH) CFLAGS_sclp_early_core.o += $(CC_FLAGS_MARCH_MINIMUM) endif CFLAGS_sclp_early_core.o += -I$(srctree)/drivers/s390/char obj-y := head.o als.o startup.o mem_detect.o ipl_parm.o ipl_report.o obj-y += string.o ebcdic.o sclp_early_core.o mem.o ipl_vmparm.o cmdline.o obj-y += version.o pgm_check_info.o ctype.o obj-$(findstring y, $(CONFIG_PROTECTED_VIRTUALIZATION_GUEST) $(CONFIG_PGSTE)) += uv.o obj-$(CONFIG_RELOCATABLE) += machine_kexec_reloc.o obj-$(CONFIG_RANDOMIZE_BASE) += kaslr.o targets := bzImage startup.a section_cmp.boot.data section_cmp.boot.preserved.data $(obj-y) subdir- := compressed OBJECTS := $(addprefix $(obj)/,$(obj-y)) quiet_cmd_section_cmp = SECTCMP $* define cmd_section_cmp s1=`$(OBJDUMP) -t -j "$*" "$<" | sort | \ sed -n "/0000000000000000/! s/.*\s$*\s\+//p" | sha256sum`; \ s2=`$(OBJDUMP) -t -j "$*" "$(word 2,$^)" | sort | \ sed -n "/0000000000000000/! s/.*\s$*\s\+//p" | sha256sum`; \ if [ "$$s1" != "$$s2" ]; then \ echo "error: section $* differs between $< and $(word 2,$^)" >&2; \ exit 1; \ fi; \ touch $@ endef $(obj)/bzImage: $(obj)/compressed/vmlinux $(obj)/section_cmp.boot.data $(obj)/section_cmp.boot.preserved.data FORCE $(call if_changed,objcopy) $(obj)/section_cmp%: vmlinux $(obj)/compressed/vmlinux FORCE $(call if_changed,section_cmp) $(obj)/compressed/vmlinux: $(obj)/startup.a FORCE $(Q)$(MAKE) $(build)=$(obj)/compressed $@ $(obj)/startup.a: $(OBJECTS) FORCE $(call if_changed,ar)