1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun# 3*4882a593Smuzhiyun# Makefile for the linux s390-specific parts of the memory manager. 4*4882a593Smuzhiyun# 5*4882a593Smuzhiyun 6*4882a593SmuzhiyunKCOV_INSTRUMENT := n 7*4882a593SmuzhiyunGCOV_PROFILE := n 8*4882a593SmuzhiyunUBSAN_SANITIZE := n 9*4882a593SmuzhiyunKASAN_SANITIZE := n 10*4882a593Smuzhiyun 11*4882a593SmuzhiyunKBUILD_AFLAGS := $(KBUILD_AFLAGS_DECOMPRESSOR) 12*4882a593SmuzhiyunKBUILD_CFLAGS := $(KBUILD_CFLAGS_DECOMPRESSOR) 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun# 15*4882a593Smuzhiyun# Use minimum architecture for als.c to be able to print an error 16*4882a593Smuzhiyun# message if the kernel is started on a machine which is too old 17*4882a593Smuzhiyun# 18*4882a593Smuzhiyunifndef CONFIG_CC_IS_CLANG 19*4882a593SmuzhiyunCC_FLAGS_MARCH_MINIMUM := -march=z900 20*4882a593Smuzhiyunelse 21*4882a593SmuzhiyunCC_FLAGS_MARCH_MINIMUM := -march=z10 22*4882a593Smuzhiyunendif 23*4882a593Smuzhiyun 24*4882a593Smuzhiyunifneq ($(CC_FLAGS_MARCH),$(CC_FLAGS_MARCH_MINIMUM)) 25*4882a593SmuzhiyunAFLAGS_REMOVE_head.o += $(CC_FLAGS_MARCH) 26*4882a593SmuzhiyunAFLAGS_head.o += $(CC_FLAGS_MARCH_MINIMUM) 27*4882a593SmuzhiyunAFLAGS_REMOVE_mem.o += $(CC_FLAGS_MARCH) 28*4882a593SmuzhiyunAFLAGS_mem.o += $(CC_FLAGS_MARCH_MINIMUM) 29*4882a593SmuzhiyunCFLAGS_REMOVE_als.o += $(CC_FLAGS_MARCH) 30*4882a593SmuzhiyunCFLAGS_als.o += $(CC_FLAGS_MARCH_MINIMUM) 31*4882a593SmuzhiyunCFLAGS_REMOVE_sclp_early_core.o += $(CC_FLAGS_MARCH) 32*4882a593SmuzhiyunCFLAGS_sclp_early_core.o += $(CC_FLAGS_MARCH_MINIMUM) 33*4882a593Smuzhiyunendif 34*4882a593Smuzhiyun 35*4882a593SmuzhiyunCFLAGS_sclp_early_core.o += -I$(srctree)/drivers/s390/char 36*4882a593Smuzhiyun 37*4882a593Smuzhiyunobj-y := head.o als.o startup.o mem_detect.o ipl_parm.o ipl_report.o 38*4882a593Smuzhiyunobj-y += string.o ebcdic.o sclp_early_core.o mem.o ipl_vmparm.o cmdline.o 39*4882a593Smuzhiyunobj-y += version.o pgm_check_info.o ctype.o text_dma.o 40*4882a593Smuzhiyunobj-$(findstring y, $(CONFIG_PROTECTED_VIRTUALIZATION_GUEST) $(CONFIG_PGSTE)) += uv.o 41*4882a593Smuzhiyunobj-$(CONFIG_RELOCATABLE) += machine_kexec_reloc.o 42*4882a593Smuzhiyunobj-$(CONFIG_RANDOMIZE_BASE) += kaslr.o 43*4882a593Smuzhiyuntargets := bzImage startup.a section_cmp.boot.data section_cmp.boot.preserved.data $(obj-y) 44*4882a593Smuzhiyunsubdir- := compressed 45*4882a593Smuzhiyun 46*4882a593SmuzhiyunOBJECTS := $(addprefix $(obj)/,$(obj-y)) 47*4882a593Smuzhiyun 48*4882a593Smuzhiyunquiet_cmd_section_cmp = SECTCMP $* 49*4882a593Smuzhiyundefine cmd_section_cmp 50*4882a593Smuzhiyun s1=`$(OBJDUMP) -t -j "$*" "$<" | sort | \ 51*4882a593Smuzhiyun sed -n "/0000000000000000/! s/.*\s$*\s\+//p" | sha256sum`; \ 52*4882a593Smuzhiyun s2=`$(OBJDUMP) -t -j "$*" "$(word 2,$^)" | sort | \ 53*4882a593Smuzhiyun sed -n "/0000000000000000/! s/.*\s$*\s\+//p" | sha256sum`; \ 54*4882a593Smuzhiyun if [ "$$s1" != "$$s2" ]; then \ 55*4882a593Smuzhiyun echo "error: section $* differs between $< and $(word 2,$^)" >&2; \ 56*4882a593Smuzhiyun exit 1; \ 57*4882a593Smuzhiyun fi; \ 58*4882a593Smuzhiyun touch $@ 59*4882a593Smuzhiyunendef 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun$(obj)/bzImage: $(obj)/compressed/vmlinux $(obj)/section_cmp.boot.data $(obj)/section_cmp.boot.preserved.data FORCE 62*4882a593Smuzhiyun $(call if_changed,objcopy) 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun$(obj)/section_cmp%: vmlinux $(obj)/compressed/vmlinux FORCE 65*4882a593Smuzhiyun $(call if_changed,section_cmp) 66*4882a593Smuzhiyun 67*4882a593Smuzhiyun$(obj)/compressed/vmlinux: $(obj)/startup.a FORCE 68*4882a593Smuzhiyun $(Q)$(MAKE) $(build)=$(obj)/compressed $@ 69*4882a593Smuzhiyun 70*4882a593Smuzhiyun$(obj)/startup.a: $(OBJECTS) FORCE 71*4882a593Smuzhiyun $(call if_changed,ar) 72*4882a593Smuzhiyun 73*4882a593Smuzhiyuninstall: 74*4882a593Smuzhiyun sh -x $(srctree)/$(obj)/install.sh $(KERNELRELEASE) $(obj)/bzImage \ 75*4882a593Smuzhiyun System.map "$(INSTALL_PATH)" 76