80 lines
2.5 KiB
Makefile
80 lines
2.5 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
|
|
#
|
|
# Makefile for the linux s390-specific parts of the memory manager.
|
|
#
|
|
|
|
KCOV_INSTRUMENT := n
|
|
GCOV_PROFILE := n
|
|
UBSAN_SANITIZE := n
|
|
KASAN_SANITIZE := n
|
|
|
|
KBUILD_AFLAGS := $(KBUILD_AFLAGS_DECOMPRESSOR)
|
|
KBUILD_CFLAGS := $(KBUILD_CFLAGS_DECOMPRESSOR)
|
|
|
|
#
|
|
# Use minimum architecture for als.c to be able to print an error
|
|
# message if the kernel is started on a machine which is too old
|
|
#
|
|
ifndef CONFIG_CC_IS_CLANG
|
|
CC_FLAGS_MARCH_MINIMUM := -march=z900
|
|
else
|
|
CC_FLAGS_MARCH_MINIMUM := -march=z10
|
|
endif
|
|
|
|
ifneq ($(CC_FLAGS_MARCH),$(CC_FLAGS_MARCH_MINIMUM))
|
|
AFLAGS_REMOVE_head.o += $(CC_FLAGS_MARCH)
|
|
AFLAGS_head.o += $(CC_FLAGS_MARCH_MINIMUM)
|
|
AFLAGS_REMOVE_mem.o += $(CC_FLAGS_MARCH)
|
|
AFLAGS_mem.o += $(CC_FLAGS_MARCH_MINIMUM)
|
|
CFLAGS_REMOVE_als.o += $(CC_FLAGS_MARCH)
|
|
CFLAGS_als.o += $(CC_FLAGS_MARCH_MINIMUM)
|
|
CFLAGS_REMOVE_sclp_early_core.o += $(CC_FLAGS_MARCH)
|
|
CFLAGS_sclp_early_core.o += $(CC_FLAGS_MARCH_MINIMUM)
|
|
endif
|
|
|
|
CFLAGS_sclp_early_core.o += -I$(srctree)/drivers/s390/char
|
|
|
|
obj-y := head.o als.o startup.o mem_detect.o ipl_parm.o ipl_report.o
|
|
obj-y += string.o ebcdic.o sclp_early_core.o mem.o ipl_vmparm.o cmdline.o
|
|
obj-y += version.o pgm_check_info.o ctype.o text_dma.o
|
|
obj-$(findstring y, $(CONFIG_PROTECTED_VIRTUALIZATION_GUEST) $(CONFIG_PGSTE)) += uv.o
|
|
obj-$(CONFIG_RELOCATABLE) += machine_kexec_reloc.o
|
|
obj-$(CONFIG_RANDOMIZE_BASE) += kaslr.o
|
|
targets := bzImage startup.a section_cmp.boot.data section_cmp.boot.preserved.data $(obj-y)
|
|
subdir- := compressed
|
|
|
|
OBJECTS := $(addprefix $(obj)/,$(obj-y))
|
|
|
|
quiet_cmd_section_cmp = SECTCMP $*
|
|
define cmd_section_cmp
|
|
s1=`$(OBJDUMP) -t -j "$*" "$<" | sort | \
|
|
sed -n "/0000000000000000/! s/.*\s$*\s\+//p" | sha256sum`; \
|
|
s2=`$(OBJDUMP) -t -j "$*" "$(word 2,$^)" | sort | \
|
|
sed -n "/0000000000000000/! s/.*\s$*\s\+//p" | sha256sum`; \
|
|
if [ "$$s1" != "$$s2" ]; then \
|
|
echo "error: section $* differs between $< and $(word 2,$^)" >&2; \
|
|
exit 1; \
|
|
fi; \
|
|
touch $@
|
|
endef
|
|
|
|
$(obj)/bzImage: $(obj)/compressed/vmlinux $(obj)/section_cmp.boot.data $(obj)/section_cmp.boot.preserved.data FORCE
|
|
$(call if_changed,objcopy)
|
|
|
|
$(obj)/section_cmp%: vmlinux $(obj)/compressed/vmlinux FORCE
|
|
$(call if_changed,section_cmp)
|
|
|
|
$(obj)/compressed/vmlinux: $(obj)/startup.a FORCE
|
|
$(Q)$(MAKE) $(build)=$(obj)/compressed $@
|
|
|
|
$(obj)/startup.a: $(OBJECTS) FORCE
|
|
$(call if_changed,ar)
|
|
|
|
install:
|
|
sh -x $(srctree)/$(obj)/install.sh $(KERNELRELEASE) $(obj)/bzImage \
|
|
System.map "$(INSTALL_PATH)"
|
|
|
|
chkbss := $(obj-y)
|
|
chkbss-target := startup.a
|
|
include $(srctree)/arch/s390/scripts/Makefile.chkbss
|