1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 21da177e4SLinus Torvalds# 31da177e4SLinus Torvalds# Makefile for the linux s390-specific parts of the memory manager. 41da177e4SLinus Torvalds# 51da177e4SLinus Torvalds 68282cd64SVasily GorbikKCOV_INSTRUMENT := n 78282cd64SVasily GorbikGCOV_PROFILE := n 88282cd64SVasily GorbikUBSAN_SANITIZE := n 98282cd64SVasily Gorbik 108282cd64SVasily GorbikKBUILD_AFLAGS := $(KBUILD_AFLAGS_DECOMPRESSOR) 118282cd64SVasily GorbikKBUILD_CFLAGS := $(KBUILD_CFLAGS_DECOMPRESSOR) 128282cd64SVasily Gorbik 138282cd64SVasily Gorbik# 148282cd64SVasily Gorbik# Use -march=z900 for als.c to be able to print an error 158282cd64SVasily Gorbik# message if the kernel is started on a machine which is too old 168282cd64SVasily Gorbik# 178282cd64SVasily Gorbikifneq ($(CC_FLAGS_MARCH),-march=z900) 188282cd64SVasily GorbikAFLAGS_REMOVE_head.o += $(CC_FLAGS_MARCH) 198282cd64SVasily GorbikAFLAGS_head.o += -march=z900 20cad5b35dSVasily GorbikAFLAGS_REMOVE_mem.o += $(CC_FLAGS_MARCH) 21cad5b35dSVasily GorbikAFLAGS_mem.o += -march=z900 228282cd64SVasily GorbikCFLAGS_REMOVE_als.o += $(CC_FLAGS_MARCH) 238282cd64SVasily GorbikCFLAGS_als.o += -march=z900 24a1d7d91fSVasily GorbikCFLAGS_REMOVE_sclp_early_core.o += $(CC_FLAGS_MARCH) 25a1d7d91fSVasily GorbikCFLAGS_sclp_early_core.o += -march=z900 268282cd64SVasily Gorbikendif 278282cd64SVasily Gorbik 28a1d7d91fSVasily GorbikCFLAGS_sclp_early_core.o += -I$(srctree)/drivers/s390/char 29a1d7d91fSVasily Gorbik 306966d604SVasily Gorbikobj-y := head.o als.o startup.o mem_detect.o ebcdic.o sclp_early_core.o mem.o 31251b72a4SVasily Gorbiktargets := bzImage startup.a section_cmp.boot.data $(obj-y) 321844c9bcSMartin Schwidefskysubdir- := compressed 331da177e4SLinus Torvalds 348282cd64SVasily GorbikOBJECTS := $(addprefix $(obj)/,$(obj-y)) 358282cd64SVasily Gorbik 36251b72a4SVasily Gorbikquiet_cmd_section_cmp = SECTCMP $* 37251b72a4SVasily Gorbikdefine cmd_section_cmp 38251b72a4SVasily Gorbik s1=`$(OBJDUMP) -t -j "$*" "$<" | sort | \ 39251b72a4SVasily Gorbik sed -n "/0000000000000000/! s/.*\s$*\s\+//p" | sha256sum`; \ 40251b72a4SVasily Gorbik s2=`$(OBJDUMP) -t -j "$*" "$(word 2,$^)" | sort | \ 41251b72a4SVasily Gorbik sed -n "/0000000000000000/! s/.*\s$*\s\+//p" | sha256sum`; \ 42251b72a4SVasily Gorbik if [ "$$s1" != "$$s2" ]; then \ 43251b72a4SVasily Gorbik echo "error: section $* differs between $< and $(word 2,$^)" >&2; \ 44251b72a4SVasily Gorbik exit 1; \ 45251b72a4SVasily Gorbik fi; \ 46251b72a4SVasily Gorbik touch $@ 47251b72a4SVasily Gorbikendef 48251b72a4SVasily Gorbik 49251b72a4SVasily Gorbik$(obj)/bzImage: $(obj)/compressed/vmlinux $(obj)/section_cmp.boot.data FORCE 501844c9bcSMartin Schwidefsky $(call if_changed,objcopy) 511844c9bcSMartin Schwidefsky 52251b72a4SVasily Gorbik$(obj)/section_cmp%: vmlinux $(obj)/compressed/vmlinux FORCE 53251b72a4SVasily Gorbik $(call if_changed,section_cmp) 54251b72a4SVasily Gorbik 558282cd64SVasily Gorbik$(obj)/compressed/vmlinux: $(obj)/startup.a FORCE 561844c9bcSMartin Schwidefsky $(Q)$(MAKE) $(build)=$(obj)/compressed $@ 571844c9bcSMartin Schwidefsky 588282cd64SVasily Gorbikquiet_cmd_ar = AR $@ 597e0363b4SVasily Gorbik cmd_ar = rm -f $@; $(AR) rcsTP$(KBUILD_ARFLAGS) $@ $(filter $(OBJECTS), $^) 608282cd64SVasily Gorbik 618282cd64SVasily Gorbik$(obj)/startup.a: $(OBJECTS) FORCE 628282cd64SVasily Gorbik $(call if_changed,ar) 638282cd64SVasily Gorbik 64aec644e5SHendrik Bruecknerinstall: $(CONFIGURE) $(obj)/bzImage 65aec644e5SHendrik Brueckner sh -x $(srctree)/$(obj)/install.sh $(KERNELRELEASE) $(obj)/bzImage \ 66679e2ea7SHeiko Carstens System.map "$(INSTALL_PATH)" 670580bce1SVasily Gorbik 680580bce1SVasily Gorbikchkbss := $(OBJECTS) 690580bce1SVasily Gorbikchkbss-target := $(obj)/startup.a 700580bce1SVasily Gorbikinclude $(srctree)/arch/s390/scripts/Makefile.chkbss 71