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