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