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 90a9b4091SVasily GorbikKASAN_SANITIZE := n 10e37b3dd0SIlya LeoshkevichKCSAN_SANITIZE := n 118282cd64SVasily Gorbik 128282cd64SVasily GorbikKBUILD_AFLAGS := $(KBUILD_AFLAGS_DECOMPRESSOR) 138282cd64SVasily GorbikKBUILD_CFLAGS := $(KBUILD_CFLAGS_DECOMPRESSOR) 148282cd64SVasily Gorbik 158282cd64SVasily Gorbik# 16c263a4e9SArnd Bergmann# Use minimum architecture for als.c to be able to print an error 178282cd64SVasily Gorbik# message if the kernel is started on a machine which is too old 188282cd64SVasily Gorbik# 19c263a4e9SArnd Bergmannifndef CONFIG_CC_IS_CLANG 20c263a4e9SArnd BergmannCC_FLAGS_MARCH_MINIMUM := -march=z900 21c263a4e9SArnd Bergmannelse 22c263a4e9SArnd BergmannCC_FLAGS_MARCH_MINIMUM := -march=z10 23c263a4e9SArnd Bergmannendif 24c263a4e9SArnd Bergmann 25c263a4e9SArnd Bergmannifneq ($(CC_FLAGS_MARCH),$(CC_FLAGS_MARCH_MINIMUM)) 268282cd64SVasily GorbikAFLAGS_REMOVE_head.o += $(CC_FLAGS_MARCH) 27c263a4e9SArnd BergmannAFLAGS_head.o += $(CC_FLAGS_MARCH_MINIMUM) 28cad5b35dSVasily GorbikAFLAGS_REMOVE_mem.o += $(CC_FLAGS_MARCH) 29c263a4e9SArnd BergmannAFLAGS_mem.o += $(CC_FLAGS_MARCH_MINIMUM) 308282cd64SVasily GorbikCFLAGS_REMOVE_als.o += $(CC_FLAGS_MARCH) 31c263a4e9SArnd BergmannCFLAGS_als.o += $(CC_FLAGS_MARCH_MINIMUM) 32a1d7d91fSVasily GorbikCFLAGS_REMOVE_sclp_early_core.o += $(CC_FLAGS_MARCH) 33c263a4e9SArnd BergmannCFLAGS_sclp_early_core.o += $(CC_FLAGS_MARCH_MINIMUM) 348282cd64SVasily Gorbikendif 358282cd64SVasily Gorbik 36a1d7d91fSVasily GorbikCFLAGS_sclp_early_core.o += -I$(srctree)/drivers/s390/char 37a1d7d91fSVasily Gorbik 389641b8ccSMartin Schwidefskyobj-y := head.o als.o startup.o mem_detect.o ipl_parm.o ipl_report.o 399641b8ccSMartin Schwidefskyobj-y += string.o ebcdic.o sclp_early_core.o mem.o ipl_vmparm.o cmdline.o 406bda6670SAlexander Egorenkovobj-y += version.o pgm_check_info.o ctype.o 41ecdc5d84SVasily Gorbikobj-$(findstring y, $(CONFIG_PROTECTED_VIRTUALIZATION_GUEST) $(CONFIG_PGSTE)) += uv.o 42805bc0bcSGerald Schaeferobj-$(CONFIG_RELOCATABLE) += machine_kexec_reloc.o 43b2d24b97SGerald Schaeferobj-$(CONFIG_RANDOMIZE_BASE) += kaslr.o 44*edd4a866SHeiko Carstensobj-y += $(if $(CONFIG_KERNEL_UNCOMPRESSED),,decompressor.o) info.o 45*edd4a866SHeiko Carstensobj-$(CONFIG_KERNEL_ZSTD) += clz_ctz.o 46*edd4a866SHeiko Carstensobj-all := $(obj-y) piggy.o syms.o 47*edd4a866SHeiko Carstens 48*edd4a866SHeiko Carstenstargets := bzImage section_cmp.boot.data section_cmp.boot.preserved.data $(obj-y) 49*edd4a866SHeiko Carstenstargets += vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 50*edd4a866SHeiko Carstenstargets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4 51*edd4a866SHeiko Carstenstargets += vmlinux.bin.zst info.bin syms.bin vmlinux.syms $(obj-all) 521da177e4SLinus Torvalds 538282cd64SVasily GorbikOBJECTS := $(addprefix $(obj)/,$(obj-y)) 54*edd4a866SHeiko CarstensOBJECTS_ALL := $(addprefix $(obj)/,$(obj-all)) 558282cd64SVasily Gorbik 56251b72a4SVasily Gorbikquiet_cmd_section_cmp = SECTCMP $* 57251b72a4SVasily Gorbikdefine cmd_section_cmp 58251b72a4SVasily Gorbik s1=`$(OBJDUMP) -t -j "$*" "$<" | sort | \ 59251b72a4SVasily Gorbik sed -n "/0000000000000000/! s/.*\s$*\s\+//p" | sha256sum`; \ 60251b72a4SVasily Gorbik s2=`$(OBJDUMP) -t -j "$*" "$(word 2,$^)" | sort | \ 61251b72a4SVasily Gorbik sed -n "/0000000000000000/! s/.*\s$*\s\+//p" | sha256sum`; \ 62251b72a4SVasily Gorbik if [ "$$s1" != "$$s2" ]; then \ 63251b72a4SVasily Gorbik echo "error: section $* differs between $< and $(word 2,$^)" >&2; \ 64251b72a4SVasily Gorbik exit 1; \ 65251b72a4SVasily Gorbik fi; \ 66251b72a4SVasily Gorbik touch $@ 67251b72a4SVasily Gorbikendef 68251b72a4SVasily Gorbik 69*edd4a866SHeiko Carstens$(obj)/bzImage: $(obj)/vmlinux $(obj)/section_cmp.boot.data $(obj)/section_cmp.boot.preserved.data FORCE 701844c9bcSMartin Schwidefsky $(call if_changed,objcopy) 711844c9bcSMartin Schwidefsky 72*edd4a866SHeiko Carstens$(obj)/section_cmp%: vmlinux $(obj)/vmlinux FORCE 73251b72a4SVasily Gorbik $(call if_changed,section_cmp) 74251b72a4SVasily Gorbik 75*edd4a866SHeiko CarstensLDFLAGS_vmlinux := --oformat $(LD_BFD) -e startup --build-id=sha1 -T 76*edd4a866SHeiko Carstens$(obj)/vmlinux: $(obj)/vmlinux.lds $(OBJECTS_ALL) FORCE 77*edd4a866SHeiko Carstens $(call if_changed,ld) 781844c9bcSMartin Schwidefsky 79*edd4a866SHeiko CarstensLDFLAGS_vmlinux.syms := --oformat $(LD_BFD) -e startup -T 80*edd4a866SHeiko Carstens$(obj)/vmlinux.syms: $(obj)/vmlinux.lds $(OBJECTS) FORCE 81*edd4a866SHeiko Carstens $(call if_changed,ld) 82*edd4a866SHeiko Carstens 83*edd4a866SHeiko Carstensquiet_cmd_dumpsyms = DUMPSYMS $< 84*edd4a866SHeiko Carstensdefine cmd_dumpsyms 85*edd4a866SHeiko Carstens $(NM) -n -S --format=bsd "$<" | sed -nE 's/^0*([0-9a-fA-F]+) 0*([0-9a-fA-F]+) [tT] ([^ ]*)$$/\1 \2 \3/p' | tr '\n' '\0' > "$@" 86*edd4a866SHeiko Carstensendef 87*edd4a866SHeiko Carstens 88*edd4a866SHeiko Carstens$(obj)/syms.bin: $(obj)/vmlinux.syms FORCE 89*edd4a866SHeiko Carstens $(call if_changed,dumpsyms) 90*edd4a866SHeiko Carstens 91*edd4a866SHeiko CarstensOBJCOPYFLAGS_syms.o := -I binary -O elf64-s390 -B s390:64-bit --rename-section .data=.decompressor.syms 92*edd4a866SHeiko Carstens$(obj)/syms.o: $(obj)/syms.bin FORCE 93*edd4a866SHeiko Carstens $(call if_changed,objcopy) 94*edd4a866SHeiko Carstens 95*edd4a866SHeiko CarstensOBJCOPYFLAGS_info.bin := -O binary --only-section=.vmlinux.info --set-section-flags .vmlinux.info=load 96*edd4a866SHeiko Carstens$(obj)/info.bin: vmlinux FORCE 97*edd4a866SHeiko Carstens $(call if_changed,objcopy) 98*edd4a866SHeiko Carstens 99*edd4a866SHeiko CarstensOBJCOPYFLAGS_info.o := -I binary -O elf64-s390 -B s390:64-bit --rename-section .data=.vmlinux.info 100*edd4a866SHeiko Carstens$(obj)/info.o: $(obj)/info.bin FORCE 101*edd4a866SHeiko Carstens $(call if_changed,objcopy) 102*edd4a866SHeiko Carstens 103*edd4a866SHeiko CarstensOBJCOPYFLAGS_vmlinux.bin := -O binary --remove-section=.comment --remove-section=.vmlinux.info -S 104*edd4a866SHeiko Carstens$(obj)/vmlinux.bin: vmlinux FORCE 105*edd4a866SHeiko Carstens $(call if_changed,objcopy) 106*edd4a866SHeiko Carstens 107*edd4a866SHeiko Carstenssuffix-$(CONFIG_KERNEL_GZIP) := .gz 108*edd4a866SHeiko Carstenssuffix-$(CONFIG_KERNEL_BZIP2) := .bz2 109*edd4a866SHeiko Carstenssuffix-$(CONFIG_KERNEL_LZ4) := .lz4 110*edd4a866SHeiko Carstenssuffix-$(CONFIG_KERNEL_LZMA) := .lzma 111*edd4a866SHeiko Carstenssuffix-$(CONFIG_KERNEL_LZO) := .lzo 112*edd4a866SHeiko Carstenssuffix-$(CONFIG_KERNEL_XZ) := .xz 113*edd4a866SHeiko Carstenssuffix-$(CONFIG_KERNEL_ZSTD) := .zst 114*edd4a866SHeiko Carstens 115*edd4a866SHeiko Carstens$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE 116*edd4a866SHeiko Carstens $(call if_changed,gzip) 117*edd4a866SHeiko Carstens$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE 118*edd4a866SHeiko Carstens $(call if_changed,bzip2_with_size) 119*edd4a866SHeiko Carstens$(obj)/vmlinux.bin.lz4: $(obj)/vmlinux.bin FORCE 120*edd4a866SHeiko Carstens $(call if_changed,lz4_with_size) 121*edd4a866SHeiko Carstens$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE 122*edd4a866SHeiko Carstens $(call if_changed,lzma_with_size) 123*edd4a866SHeiko Carstens$(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE 124*edd4a866SHeiko Carstens $(call if_changed,lzo_with_size) 125*edd4a866SHeiko Carstens$(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORCE 126*edd4a866SHeiko Carstens $(call if_changed,xzkern_with_size) 127*edd4a866SHeiko Carstens$(obj)/vmlinux.bin.zst: $(obj)/vmlinux.bin FORCE 128*edd4a866SHeiko Carstens $(call if_changed,zstd22_with_size) 129*edd4a866SHeiko Carstens 130*edd4a866SHeiko CarstensOBJCOPYFLAGS_piggy.o := -I binary -O elf64-s390 -B s390:64-bit --rename-section .data=.vmlinux.bin.compressed 131*edd4a866SHeiko Carstens$(obj)/piggy.o: $(obj)/vmlinux.bin$(suffix-y) FORCE 132*edd4a866SHeiko Carstens $(call if_changed,objcopy) 133