| # 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 | |
| KBUILD_AFLAGS := $(KBUILD_AFLAGS_DECOMPRESSOR) | |
| KBUILD_CFLAGS := $(KBUILD_CFLAGS_DECOMPRESSOR) | |
| # | |
| # Use -march=z900 for als.c to be able to print an error | |
| # message if the kernel is started on a machine which is too old | |
| # | |
| ifneq ($(CC_FLAGS_MARCH),-march=z900) | |
| AFLAGS_REMOVE_head.o += $(CC_FLAGS_MARCH) | |
| AFLAGS_head.o += -march=z900 | |
| AFLAGS_REMOVE_mem.o += $(CC_FLAGS_MARCH) | |
| AFLAGS_mem.o += -march=z900 | |
| CFLAGS_REMOVE_als.o += $(CC_FLAGS_MARCH) | |
| CFLAGS_als.o += -march=z900 | |
| CFLAGS_REMOVE_sclp_early_core.o += $(CC_FLAGS_MARCH) | |
| CFLAGS_sclp_early_core.o += -march=z900 | |
| endif | |
| CFLAGS_sclp_early_core.o += -I$(srctree)/drivers/s390/char | |
| obj-y := head.o als.o ebcdic.o sclp_early_core.o mem.o | |
| targets := bzImage startup.a $(obj-y) | |
| subdir- := compressed | |
| OBJECTS := $(addprefix $(obj)/,$(obj-y)) | |
| $(obj)/bzImage: $(obj)/compressed/vmlinux FORCE | |
| $(call if_changed,objcopy) | |
| $(obj)/compressed/vmlinux: $(obj)/startup.a FORCE | |
| $(Q)$(MAKE) $(build)=$(obj)/compressed $@ | |
| quiet_cmd_ar = AR $@ | |
| cmd_ar = rm -f $@; $(AR) rcsTP$(KBUILD_ARFLAGS) $@ $(filter $(OBJECTS), $^) | |
| $(obj)/startup.a: $(OBJECTS) FORCE | |
| $(call if_changed,ar) | |
| install: | |
| sh -x $(srctree)/$(obj)/install.sh $(KERNELRELEASE) $(obj)/bzImage \ | |
| System.map "$(INSTALL_PATH)" | |
| chkbss := $(OBJECTS) | |
| chkbss-target := $(obj)/startup.a | |
| include $(srctree)/arch/s390/scripts/Makefile.chkbss |