1 # SPDX-License-Identifier: GPL-2.0 << 2 # 1 # 3 # Makefile for the linux s390-specific parts o !! 2 # This file is subject to the terms and conditions of the GNU General Public >> 3 # License. See the file "COPYING" in the main directory of this archive >> 4 # for more details. >> 5 # >> 6 # Copyright (C) 1995, 1998, 2001, 2002 by Ralf Baechle >> 7 # Copyright (C) 2004 Maciej W. Rozycki 4 # 8 # 5 << 6 # Tooling runtimes are unavailable and cannot << 7 KCOV_INSTRUMENT := n << 8 GCOV_PROFILE := n << 9 UBSAN_SANITIZE := n << 10 KASAN_SANITIZE := n << 11 KCSAN_SANITIZE := n << 12 KMSAN_SANITIZE := n << 13 << 14 KBUILD_AFLAGS := $(KBUILD_AFLAGS_DECOMPRESSOR) << 15 KBUILD_CFLAGS := $(KBUILD_CFLAGS_DECOMPRESSOR) << 16 9 17 # 10 # 18 # Use minimum architecture for als.c to be abl !! 11 # Some DECstations need all possible sections of an ECOFF executable 19 # message if the kernel is started on a machin << 20 # 12 # 21 ifndef CONFIG_CC_IS_CLANG !! 13 ifdef CONFIG_MACH_DECSTATION 22 CC_FLAGS_MARCH_MINIMUM := -march=z900 !! 14 e2eflag := -a 23 else << 24 CC_FLAGS_MARCH_MINIMUM := -march=z10 << 25 endif 15 endif 26 16 27 ifneq ($(CC_FLAGS_MARCH),$(CC_FLAGS_MARCH_MINI !! 17 # 28 AFLAGS_REMOVE_head.o += $(CC_FLAGS_ !! 18 # Drop some uninteresting sections in the kernel. 29 AFLAGS_head.o += $(CC_FLAGS_ !! 19 # This is only relevant for ELF kernels but doesn't hurt a.out 30 AFLAGS_REMOVE_mem.o += $(CC_FLAGS_ !! 20 # 31 AFLAGS_mem.o += $(CC_FLAGS_ !! 21 drop-sections := .reginfo .mdebug .comment .note .pdr .options .MIPS.options 32 CFLAGS_REMOVE_als.o += $(CC_FLAGS_ !! 22 strip-flags := $(addprefix --remove-section=,$(drop-sections)) 33 CFLAGS_als.o += $(CC_FLAGS_ !! 23 34 CFLAGS_REMOVE_sclp_early_core.o += $(CC_FLAGS_ !! 24 hostprogs := elf2ecoff 35 CFLAGS_sclp_early_core.o += $(CC_FLAGS_ << 36 endif << 37 25 38 CFLAGS_sclp_early_core.o += -I$(srctree)/drive !! 26 suffix-y := bin >> 27 suffix-$(CONFIG_KERNEL_BZIP2) := bz2 >> 28 suffix-$(CONFIG_KERNEL_GZIP) := gz >> 29 suffix-$(CONFIG_KERNEL_LZMA) := lzma >> 30 suffix-$(CONFIG_KERNEL_LZO) := lzo >> 31 >> 32 targets := vmlinux.ecoff >> 33 quiet_cmd_ecoff = ECOFF $@ >> 34 cmd_ecoff = $(obj)/elf2ecoff $(VMLINUX) $@ $(e2eflag) >> 35 $(obj)/vmlinux.ecoff: $(obj)/elf2ecoff $(VMLINUX) FORCE >> 36 $(call if_changed,ecoff) >> 37 >> 38 targets += vmlinux.bin >> 39 quiet_cmd_bin = OBJCOPY $@ >> 40 cmd_bin = $(OBJCOPY) -O binary $(strip-flags) $(VMLINUX) $@ >> 41 $(obj)/vmlinux.bin: $(VMLINUX) FORCE >> 42 $(call if_changed,bin) >> 43 >> 44 targets += vmlinux.srec >> 45 quiet_cmd_srec = OBJCOPY $@ >> 46 cmd_srec = $(OBJCOPY) -S -O srec $(strip-flags) $(VMLINUX) $@ >> 47 $(obj)/vmlinux.srec: $(VMLINUX) FORCE >> 48 $(call if_changed,srec) 39 49 40 obj-y := head.o als.o startup.o physmem_info !! 50 UIMAGE_LOADADDR = $(VMLINUX_LOAD_ADDRESS) 41 obj-y += string.o ebcdic.o sclp_early_core.o !! 51 UIMAGE_ENTRYADDR = $(VMLINUX_ENTRY_ADDRESS) 42 obj-y += version.o pgm_check_info.o ctype.o !! 52 43 obj-$(CONFIG_RANDOMIZE_BASE) += kaslr.o !! 53 # 44 obj-y += $(if $(CONFIG_KERNEL_UNCOMPRESSED), !! 54 # Compressed vmlinux images 45 obj-$(CONFIG_KERNEL_ZSTD) += clz_ctz.o !! 55 # 46 obj-$(CONFIG_KMSAN) += kmsan.o !! 56 47 obj-all := $(obj-y) piggy.o syms.o !! 57 extra-y += vmlinux.bin.bz2 48 !! 58 extra-y += vmlinux.bin.gz 49 targets := bzImage section_cmp.boot.data secti !! 59 extra-y += vmlinux.bin.lzma 50 targets += vmlinux.lds vmlinux vmlinux.bin vml !! 60 extra-y += vmlinux.bin.lzo 51 targets += vmlinux.bin.xz vmlinux.bin.lzma vml !! 61 52 targets += vmlinux.bin.zst info.bin syms.bin v !! 62 $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE 53 targets += relocs.S !! 63 $(call if_changed,bzip2) 54 << 55 OBJECTS := $(addprefix $(obj)/,$(obj-y)) << 56 OBJECTS_ALL := $(addprefix $(obj)/,$(obj-all)) << 57 << 58 clean-files += vmlinux.map << 59 << 60 quiet_cmd_section_cmp = SECTCMP $* << 61 define cmd_section_cmp << 62 s1=`$(OBJDUMP) -t "$<" | grep "\s$*\s\ << 63 sed -n "/0000000000000000/! s/ << 64 s2=`$(OBJDUMP) -t "$(word 2,$^)" | gre << 65 sed -n "/0000000000000000/! s/ << 66 if [ "$$s1" != "$$s2" ]; then \ << 67 echo "error: section $* differ << 68 exit 1; \ << 69 fi; \ << 70 touch $@ << 71 endef << 72 << 73 $(obj)/bzImage: $(obj)/vmlinux $(obj)/section_ << 74 $(call if_changed,objcopy) << 75 << 76 $(obj)/section_cmp%: vmlinux $(obj)/vmlinux FO << 77 $(call if_changed,section_cmp) << 78 << 79 LDFLAGS_vmlinux-$(CONFIG_LD_ORPHAN_WARN) := -- << 80 LDFLAGS_vmlinux := $(LDFLAGS_vmlinux-y) --ofor << 81 $(obj)/vmlinux: $(obj)/vmlinux.lds $(OBJECTS_A << 82 $(call if_changed,ld) << 83 << 84 LDFLAGS_vmlinux.syms := $(LDFLAGS_vmlinux-y) - << 85 $(obj)/vmlinux.syms: $(obj)/vmlinux.lds $(OBJE << 86 $(call if_changed,ld) << 87 << 88 quiet_cmd_dumpsyms = DUMPSYMS $< << 89 define cmd_dumpsyms << 90 $(NM) -n -S --format=bsd "$<" | sed -n << 91 endef << 92 << 93 $(obj)/syms.bin: $(obj)/vmlinux.syms FORCE << 94 $(call if_changed,dumpsyms) << 95 << 96 OBJCOPYFLAGS_syms.o := -I binary -O elf64-s390 << 97 $(obj)/syms.o: $(obj)/syms.bin FORCE << 98 $(call if_changed,objcopy) << 99 << 100 OBJCOPYFLAGS_info.bin := -O binary --only-sect << 101 $(obj)/info.bin: vmlinux FORCE << 102 $(call if_changed,objcopy) << 103 << 104 OBJCOPYFLAGS_info.o := -I binary -O elf64-s390 << 105 $(obj)/info.o: $(obj)/info.bin FORCE << 106 $(call if_changed,objcopy) << 107 << 108 OBJCOPYFLAGS_vmlinux.bin := -O binary --remove << 109 $(obj)/vmlinux.bin: vmlinux FORCE << 110 $(call if_changed,objcopy) << 111 << 112 CMD_RELOCS=arch/s390/tools/relocs << 113 quiet_cmd_relocs = RELOCS $@ << 114 cmd_relocs = $(CMD_RELOCS) $< > $@ << 115 $(obj)/relocs.S: vmlinux FORCE << 116 $(call if_changed,relocs) << 117 << 118 suffix-$(CONFIG_KERNEL_GZIP) := .gz << 119 suffix-$(CONFIG_KERNEL_BZIP2) := .bz2 << 120 suffix-$(CONFIG_KERNEL_LZ4) := .lz4 << 121 suffix-$(CONFIG_KERNEL_LZMA) := .lzma << 122 suffix-$(CONFIG_KERNEL_LZO) := .lzo << 123 suffix-$(CONFIG_KERNEL_XZ) := .xz << 124 suffix-$(CONFIG_KERNEL_ZSTD) := .zst << 125 64 126 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORC 65 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE 127 $(call if_changed,gzip) 66 $(call if_changed,gzip) 128 $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FOR !! 67 129 $(call if_changed,bzip2_with_size) << 130 $(obj)/vmlinux.bin.lz4: $(obj)/vmlinux.bin FOR << 131 $(call if_changed,lz4_with_size) << 132 $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FO 68 $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE 133 $(call if_changed,lzma_with_size) !! 69 $(call if_changed,lzma) >> 70 134 $(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FOR 71 $(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE 135 $(call if_changed,lzo_with_size) !! 72 $(call if_changed,lzo) 136 $(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORC !! 73 137 $(call if_changed,xzkern_with_size) !! 74 # 138 $(obj)/vmlinux.bin.zst: $(obj)/vmlinux.bin FOR !! 75 # Compressed u-boot images 139 $(call if_changed,zstd22_with_size) !! 76 # 140 !! 77 141 OBJCOPYFLAGS_piggy.o := -I binary -O elf64-s39 !! 78 targets += uImage 142 $(obj)/piggy.o: $(obj)/vmlinux.bin$(suffix-y) !! 79 targets += uImage.bin 143 $(call if_changed,objcopy) !! 80 targets += uImage.bz2 >> 81 targets += uImage.gz >> 82 targets += uImage.lzma >> 83 targets += uImage.lzo >> 84 >> 85 $(obj)/uImage.bin: $(obj)/vmlinux.bin FORCE >> 86 $(call if_changed,uimage,none) >> 87 >> 88 $(obj)/uImage.bz2: $(obj)/vmlinux.bin.bz2 FORCE >> 89 $(call if_changed,uimage,bzip2) >> 90 >> 91 $(obj)/uImage.gz: $(obj)/vmlinux.bin.gz FORCE >> 92 $(call if_changed,uimage,gzip) >> 93 >> 94 $(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma FORCE >> 95 $(call if_changed,uimage,lzma) >> 96 >> 97 $(obj)/uImage.lzo: $(obj)/vmlinux.bin.lzo FORCE >> 98 $(call if_changed,uimage,lzo) >> 99 >> 100 $(obj)/uImage: $(obj)/uImage.$(suffix-y) >> 101 @ln -sf $(notdir $<) $@ >> 102 @echo ' Image $@ is ready' >> 103 >> 104 # >> 105 # Flattened Image Tree (.itb) images >> 106 # >> 107 >> 108 ifeq ($(ADDR_BITS),32) >> 109 itb_addr_cells = 1 >> 110 endif >> 111 ifeq ($(ADDR_BITS),64) >> 112 itb_addr_cells = 2 >> 113 endif >> 114 >> 115 targets += vmlinux.its.S >> 116 >> 117 quiet_cmd_its_cat = CAT $@ >> 118 cmd_its_cat = cat $(real-prereqs) >$@ >> 119 >> 120 $(obj)/vmlinux.its.S: $(addprefix $(srctree)/arch/mips/$(PLATFORM)/,$(ITS_INPUTS)) FORCE >> 121 $(call if_changed,its_cat) >> 122 >> 123 targets += vmlinux.its >> 124 targets += vmlinux.gz.its >> 125 targets += vmlinux.bz2.its >> 126 targets += vmlinux.lzma.its >> 127 targets += vmlinux.lzo.its >> 128 >> 129 quiet_cmd_cpp_its_S = ITS $@ >> 130 cmd_cpp_its_S = $(CPP) -P -C -o $@ $< \ >> 131 -DKERNEL_NAME="\"Linux $(KERNELRELEASE)\"" \ >> 132 -DVMLINUX_BINARY="\"$(3)\"" \ >> 133 -DVMLINUX_COMPRESSION="\"$(2)\"" \ >> 134 -DVMLINUX_LOAD_ADDRESS=$(VMLINUX_LOAD_ADDRESS) \ >> 135 -DVMLINUX_ENTRY_ADDRESS=$(VMLINUX_ENTRY_ADDRESS) \ >> 136 -DADDR_BITS=$(ADDR_BITS) \ >> 137 -DADDR_CELLS=$(itb_addr_cells) >> 138 >> 139 $(obj)/vmlinux.its: $(obj)/vmlinux.its.S $(VMLINUX) FORCE >> 140 $(call if_changed,cpp_its_S,none,vmlinux.bin) >> 141 >> 142 $(obj)/vmlinux.gz.its: $(obj)/vmlinux.its.S $(VMLINUX) FORCE >> 143 $(call if_changed,cpp_its_S,gzip,vmlinux.bin.gz) >> 144 >> 145 $(obj)/vmlinux.bz2.its: $(obj)/vmlinux.its.S $(VMLINUX) FORCE >> 146 $(call if_changed,cpp_its_S,bzip2,vmlinux.bin.bz2) >> 147 >> 148 $(obj)/vmlinux.lzma.its: $(obj)/vmlinux.its.S $(VMLINUX) FORCE >> 149 $(call if_changed,cpp_its_S,lzma,vmlinux.bin.lzma) >> 150 >> 151 $(obj)/vmlinux.lzo.its: $(obj)/vmlinux.its.S $(VMLINUX) FORCE >> 152 $(call if_changed,cpp_its_S,lzo,vmlinux.bin.lzo) >> 153 >> 154 targets += vmlinux.itb >> 155 targets += vmlinux.gz.itb >> 156 targets += vmlinux.bz2.itb >> 157 targets += vmlinux.lzma.itb >> 158 targets += vmlinux.lzo.itb >> 159 >> 160 quiet_cmd_itb-image = ITB $@ >> 161 cmd_itb-image = \ >> 162 env PATH="$(objtree)/scripts/dtc:$(PATH)" \ >> 163 $(BASH) $(MKIMAGE) \ >> 164 -D "-I dts -O dtb -p 500 \ >> 165 --include $(objtree)/arch/mips \ >> 166 --warning no-unit_address_vs_reg" \ >> 167 -f $(2) $@ >> 168 >> 169 $(obj)/vmlinux.itb: $(obj)/vmlinux.its $(obj)/vmlinux.bin FORCE >> 170 $(call if_changed,itb-image,$<) >> 171 >> 172 $(obj)/vmlinux.%.itb: $(obj)/vmlinux.%.its $(obj)/vmlinux.bin.% FORCE >> 173 $(call if_changed,itb-image,$<) >> 174 >> 175 # for cleaning >> 176 subdir- += compressed tools
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