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