xref: /openbmc/linux/arch/s390/boot/Makefile (revision 9641b8cc)
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
108282cd64SVasily Gorbik
118282cd64SVasily GorbikKBUILD_AFLAGS := $(KBUILD_AFLAGS_DECOMPRESSOR)
128282cd64SVasily GorbikKBUILD_CFLAGS := $(KBUILD_CFLAGS_DECOMPRESSOR)
138282cd64SVasily Gorbik
148282cd64SVasily Gorbik#
158282cd64SVasily Gorbik# Use -march=z900 for als.c to be able to print an error
168282cd64SVasily Gorbik# message if the kernel is started on a machine which is too old
178282cd64SVasily Gorbik#
188282cd64SVasily Gorbikifneq ($(CC_FLAGS_MARCH),-march=z900)
198282cd64SVasily GorbikAFLAGS_REMOVE_head.o		+= $(CC_FLAGS_MARCH)
208282cd64SVasily GorbikAFLAGS_head.o			+= -march=z900
21cad5b35dSVasily GorbikAFLAGS_REMOVE_mem.o		+= $(CC_FLAGS_MARCH)
22cad5b35dSVasily GorbikAFLAGS_mem.o			+= -march=z900
238282cd64SVasily GorbikCFLAGS_REMOVE_als.o		+= $(CC_FLAGS_MARCH)
248282cd64SVasily GorbikCFLAGS_als.o			+= -march=z900
25a1d7d91fSVasily GorbikCFLAGS_REMOVE_sclp_early_core.o	+= $(CC_FLAGS_MARCH)
26a1d7d91fSVasily GorbikCFLAGS_sclp_early_core.o	+= -march=z900
278282cd64SVasily Gorbikendif
288282cd64SVasily Gorbik
29a1d7d91fSVasily GorbikCFLAGS_sclp_early_core.o += -I$(srctree)/drivers/s390/char
30a1d7d91fSVasily Gorbik
319641b8ccSMartin Schwidefskyobj-y	:= head.o als.o startup.o mem_detect.o ipl_parm.o ipl_report.o
329641b8ccSMartin Schwidefskyobj-y	+= string.o ebcdic.o sclp_early_core.o mem.o ipl_vmparm.o cmdline.o
339641b8ccSMartin Schwidefskyobj-y	+= ctype.o
345abb9351SVasily Gorbikobj-$(CONFIG_PROTECTED_VIRTUALIZATION_GUEST)	+= uv.o
35fd184e1aSVasily Gorbiktargets	:= bzImage startup.a section_cmp.boot.data section_cmp.boot.preserved.data $(obj-y)
361844c9bcSMartin Schwidefskysubdir-	:= compressed
371da177e4SLinus Torvalds
388282cd64SVasily GorbikOBJECTS := $(addprefix $(obj)/,$(obj-y))
398282cd64SVasily Gorbik
40251b72a4SVasily Gorbikquiet_cmd_section_cmp = SECTCMP $*
41251b72a4SVasily Gorbikdefine cmd_section_cmp
42251b72a4SVasily Gorbik	s1=`$(OBJDUMP) -t -j "$*" "$<" | sort | \
43251b72a4SVasily Gorbik		sed -n "/0000000000000000/! s/.*\s$*\s\+//p" | sha256sum`; \
44251b72a4SVasily Gorbik	s2=`$(OBJDUMP) -t -j "$*" "$(word 2,$^)" | sort | \
45251b72a4SVasily Gorbik		sed -n "/0000000000000000/! s/.*\s$*\s\+//p" | sha256sum`; \
46251b72a4SVasily Gorbik	if [ "$$s1" != "$$s2" ]; then \
47251b72a4SVasily Gorbik		echo "error: section $* differs between $< and $(word 2,$^)" >&2; \
48251b72a4SVasily Gorbik		exit 1; \
49251b72a4SVasily Gorbik	fi; \
50251b72a4SVasily Gorbik	touch $@
51251b72a4SVasily Gorbikendef
52251b72a4SVasily Gorbik
53fd184e1aSVasily Gorbik$(obj)/bzImage: $(obj)/compressed/vmlinux $(obj)/section_cmp.boot.data $(obj)/section_cmp.boot.preserved.data FORCE
541844c9bcSMartin Schwidefsky	$(call if_changed,objcopy)
551844c9bcSMartin Schwidefsky
56251b72a4SVasily Gorbik$(obj)/section_cmp%: vmlinux $(obj)/compressed/vmlinux FORCE
57251b72a4SVasily Gorbik	$(call if_changed,section_cmp)
58251b72a4SVasily Gorbik
598282cd64SVasily Gorbik$(obj)/compressed/vmlinux: $(obj)/startup.a FORCE
601844c9bcSMartin Schwidefsky	$(Q)$(MAKE) $(build)=$(obj)/compressed $@
611844c9bcSMartin Schwidefsky
628282cd64SVasily Gorbik$(obj)/startup.a: $(OBJECTS) FORCE
638282cd64SVasily Gorbik	$(call if_changed,ar)
648282cd64SVasily Gorbik
65aec644e5SHendrik Bruecknerinstall: $(CONFIGURE) $(obj)/bzImage
66aec644e5SHendrik Brueckner	sh -x  $(srctree)/$(obj)/install.sh $(KERNELRELEASE) $(obj)/bzImage \
67679e2ea7SHeiko Carstens	      System.map "$(INSTALL_PATH)"
680580bce1SVasily Gorbik
695d680056SMasahiro Yamadachkbss := $(obj-y)
705d680056SMasahiro Yamadachkbss-target := startup.a
710580bce1SVasily Gorbikinclude $(srctree)/arch/s390/scripts/Makefile.chkbss
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