| # 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 |
