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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 | # # arch/x86/boot/Makefile # # This file is subject to the terms and conditions of the GNU General Public # License. See the file "COPYING" in the main directory of this archive # for more details. # # Copyright (C) 1994 by Linus Torvalds # Changed by many, many contributors over the years. # KASAN_SANITIZE := n OBJECT_FILES_NON_STANDARD := y # Kernel does not boot with kcov instrumentation here. # One of the problems observed was insertion of __sanitizer_cov_trace_pc() # callback into middle of per-cpu data enabling code. Thus the callback observed # inconsistent state and crashed. We are interested mostly in syscall coverage, # so boot code is not interesting anyway. KCOV_INSTRUMENT := n # If you want to preset the SVGA mode, uncomment the next line and # set SVGA_MODE to whatever number you want. # Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode. # The number is the same as you would ordinarily press at bootup. SVGA_MODE := -DSVGA_MODE=NORMAL_VGA targets := vmlinux.bin setup.bin setup.elf bzImage targets += fdimage fdimage144 fdimage288 image.iso mtools.conf subdir- := compressed setup-y += a20.o bioscall.o cmdline.o copy.o cpu.o cpuflags.o cpucheck.o setup-y += early_serial_console.o edd.o header.o main.o memory.o setup-y += pm.o pmjump.o printf.o regs.o string.o tty.o video.o setup-y += video-mode.o version.o setup-$(CONFIG_X86_APM_BOOT) += apm.o # The link order of the video-*.o modules can matter. In particular, # video-vga.o *must* be listed first, followed by video-vesa.o. # Hardware-specific drivers should follow in the order they should be # probed, and video-bios.o should typically be last. setup-y += video-vga.o setup-y += video-vesa.o setup-y += video-bios.o targets += $(setup-y) hostprogs-y := tools/build hostprogs-$(CONFIG_X86_FEATURE_NAMES) += mkcpustr HOST_EXTRACFLAGS += -I$(srctree)/tools/include \ -include include/generated/autoconf.h \ -D__EXPORTED_HEADERS__ ifdef CONFIG_X86_FEATURE_NAMES $(obj)/cpu.o: $(obj)/cpustr.h quiet_cmd_cpustr = CPUSTR $@ cmd_cpustr = $(obj)/mkcpustr > $@ targets += cpustr.h $(obj)/cpustr.h: $(obj)/mkcpustr FORCE $(call if_changed,cpustr) endif clean-files += cpustr.h # --------------------------------------------------------------------------- KBUILD_CFLAGS := $(USERINCLUDE) $(REALMODE_CFLAGS) -D_SETUP KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ GCOV_PROFILE := n UBSAN_SANITIZE := n $(obj)/bzImage: asflags-y := $(SVGA_MODE) quiet_cmd_image = BUILD $@ silent_redirect_image = >/dev/null cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin \ $(obj)/zoffset.h $@ $($(quiet)redirect_image) $(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE $(call if_changed,image) @$(kecho) 'Kernel: $@ is ready' ' (#'`cat .version`')' OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE $(call if_changed,objcopy) SETUP_OBJS = $(addprefix $(obj)/,$(setup-y)) sed-zoffset := -e 's/^\([0-9a-fA-F]*\) [ABCDGRSTVW] \(startup_32\|startup_64\|efi32_stub_entry\|efi64_stub_entry\|efi_pe_entry\|input_data\|_end\|_ehead\|_text\|z_.*\)$$/\#define ZO_\2 0x\1/p' quiet_cmd_zoffset = ZOFFSET $@ cmd_zoffset = $(NM) $< | sed -n $(sed-zoffset) > $@ targets += zoffset.h $(obj)/zoffset.h: $(obj)/compressed/vmlinux FORCE $(call if_changed,zoffset) AFLAGS_header.o += -I$(objtree)/$(obj) $(obj)/header.o: $(obj)/zoffset.h LDFLAGS_setup.elf := -T $(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE $(call if_changed,ld) OBJCOPYFLAGS_setup.bin := -O binary $(obj)/setup.bin: $(obj)/setup.elf FORCE $(call if_changed,objcopy) $(obj)/compressed/vmlinux: FORCE $(Q)$(MAKE) $(build)=$(obj)/compressed $@ # Set this if you want to pass append arguments to the # bzdisk/fdimage/isoimage kernel FDARGS = # Set this if you want an initrd included with the # bzdisk/fdimage/isoimage kernel FDINITRD = image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,) $(obj)/mtools.conf: $(src)/mtools.conf.in sed -e 's|@OBJ@|$(obj)|g' < $< > $@ # This requires write access to /dev/fd0 bzdisk: $(obj)/bzImage $(obj)/mtools.conf MTOOLSRC=$(obj)/mtools.conf mformat a: ; sync syslinux /dev/fd0 ; sync echo '$(image_cmdline)' | \ MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg if [ -f '$(FDINITRD)' ] ; then \ MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \ fi MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage a:linux ; sync # These require being root or having syslinux 2.02 or higher installed fdimage fdimage144: $(obj)/bzImage $(obj)/mtools.conf dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440 MTOOLSRC=$(obj)/mtools.conf mformat v: ; sync syslinux $(obj)/fdimage ; sync echo '$(image_cmdline)' | \ MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg if [ -f '$(FDINITRD)' ] ; then \ MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \ fi MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage v:linux ; sync fdimage288: $(obj)/bzImage $(obj)/mtools.conf dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880 MTOOLSRC=$(obj)/mtools.conf mformat w: ; sync syslinux $(obj)/fdimage ; sync echo '$(image_cmdline)' | \ MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg if [ -f '$(FDINITRD)' ] ; then \ MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \ fi MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage w:linux ; sync isoimage: $(obj)/bzImage -rm -rf $(obj)/isoimage mkdir $(obj)/isoimage for i in lib lib64 share end ; do \ if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \ cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \ if [ -f /usr/$$i/syslinux/ldlinux.c32 ]; then \ cp /usr/$$i/syslinux/ldlinux.c32 $(obj)/isoimage ; \ fi ; \ break ; \ fi ; \ if [ $$i = end ] ; then exit 1 ; fi ; \ done cp $(obj)/bzImage $(obj)/isoimage/linux echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg if [ -f '$(FDINITRD)' ] ; then \ cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \ fi mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \ -no-emul-boot -boot-load-size 4 -boot-info-table \ $(obj)/isoimage isohybrid $(obj)/image.iso 2>/dev/null || true rm -rf $(obj)/isoimage bzlilo: $(obj)/bzImage if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi cat $(obj)/bzImage > $(INSTALL_PATH)/vmlinuz cp System.map $(INSTALL_PATH)/ if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi install: sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(obj)/bzImage \ System.map "$(INSTALL_PATH)" |