xref: /openbmc/linux/arch/s390/boot/Makefile (revision e37b3dd0)
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
10*e37b3dd0SIlya 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
44fd184e1aSVasily Gorbiktargets	:= bzImage startup.a section_cmp.boot.data section_cmp.boot.preserved.data $(obj-y)
451844c9bcSMartin Schwidefskysubdir-	:= compressed
461da177e4SLinus Torvalds
478282cd64SVasily GorbikOBJECTS := $(addprefix $(obj)/,$(obj-y))
488282cd64SVasily Gorbik
49251b72a4SVasily Gorbikquiet_cmd_section_cmp = SECTCMP $*
50251b72a4SVasily Gorbikdefine cmd_section_cmp
51251b72a4SVasily Gorbik	s1=`$(OBJDUMP) -t -j "$*" "$<" | sort | \
52251b72a4SVasily Gorbik		sed -n "/0000000000000000/! s/.*\s$*\s\+//p" | sha256sum`; \
53251b72a4SVasily Gorbik	s2=`$(OBJDUMP) -t -j "$*" "$(word 2,$^)" | sort | \
54251b72a4SVasily Gorbik		sed -n "/0000000000000000/! s/.*\s$*\s\+//p" | sha256sum`; \
55251b72a4SVasily Gorbik	if [ "$$s1" != "$$s2" ]; then \
56251b72a4SVasily Gorbik		echo "error: section $* differs between $< and $(word 2,$^)" >&2; \
57251b72a4SVasily Gorbik		exit 1; \
58251b72a4SVasily Gorbik	fi; \
59251b72a4SVasily Gorbik	touch $@
60251b72a4SVasily Gorbikendef
61251b72a4SVasily Gorbik
62fd184e1aSVasily Gorbik$(obj)/bzImage: $(obj)/compressed/vmlinux $(obj)/section_cmp.boot.data $(obj)/section_cmp.boot.preserved.data FORCE
631844c9bcSMartin Schwidefsky	$(call if_changed,objcopy)
641844c9bcSMartin Schwidefsky
65251b72a4SVasily Gorbik$(obj)/section_cmp%: vmlinux $(obj)/compressed/vmlinux FORCE
66251b72a4SVasily Gorbik	$(call if_changed,section_cmp)
67251b72a4SVasily Gorbik
688282cd64SVasily Gorbik$(obj)/compressed/vmlinux: $(obj)/startup.a FORCE
691844c9bcSMartin Schwidefsky	$(Q)$(MAKE) $(build)=$(obj)/compressed $@
701844c9bcSMartin Schwidefsky
718282cd64SVasily Gorbik$(obj)/startup.a: $(OBJECTS) FORCE
728282cd64SVasily Gorbik	$(call if_changed,ar)
738282cd64SVasily Gorbik
7494e90f72SMasahiro Yamadainstall:
75aec644e5SHendrik Brueckner	sh -x  $(srctree)/$(obj)/install.sh $(KERNELRELEASE) $(obj)/bzImage \
76679e2ea7SHeiko Carstens	      System.map "$(INSTALL_PATH)"
77