2 # arch/x86/boot/Makefile
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
8 # Copyright (C) 1994 by Linus Torvalds
9 # Changed by many, many contributors over the years.
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.
17 SVGA_MODE := -DSVGA_MODE=NORMAL_VGA
19 targets := vmlinux.bin setup.bin setup.elf bzImage
20 targets += fdimage fdimage144 fdimage288 image.iso mtools.conf
23 setup-y += a20.o bioscall.o cmdline.o copy.o cpu.o cpuflags.o cpucheck.o
24 setup-y += early_serial_console.o edd.o header.o main.o mca.o memory.o
25 setup-y += pm.o pmjump.o printf.o regs.o string.o tty.o video.o
26 setup-y += video-mode.o version.o
27 setup-$(CONFIG_X86_APM_BOOT) += apm.o
29 # The link order of the video-*.o modules can matter. In particular,
30 # video-vga.o *must* be listed first, followed by video-vesa.o.
31 # Hardware-specific drivers should follow in the order they should be
32 # probed, and video-bios.o should typically be last.
33 setup-y += video-vga.o
34 setup-y += video-vesa.o
35 setup-y += video-bios.o
38 hostprogs-y := tools/build
39 hostprogs-$(CONFIG_X86_FEATURE_NAMES) += mkcpustr
41 HOST_EXTRACFLAGS += -I$(srctree)/tools/include \
42 -include include/generated/autoconf.h \
43 -D__EXPORTED_HEADERS__
45 ifdef CONFIG_X86_FEATURE_NAMES
46 $(obj)/cpu.o: $(obj)/cpustr.h
48 quiet_cmd_cpustr = CPUSTR $@
49 cmd_cpustr = $(obj)/mkcpustr > $@
51 $(obj)/cpustr.h: $(obj)/mkcpustr FORCE
52 $(call if_changed,cpustr)
55 # ---------------------------------------------------------------------------
57 KBUILD_CFLAGS := $(USERINCLUDE) $(REALMODE_CFLAGS) -D_SETUP
58 KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
61 $(obj)/bzImage: asflags-y := $(SVGA_MODE)
63 quiet_cmd_image = BUILD $@
64 cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin \
67 $(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE
68 $(call if_changed,image)
69 @echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
71 OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S
72 $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
73 $(call if_changed,objcopy)
75 SETUP_OBJS = $(addprefix $(obj)/,$(setup-y))
77 sed-voffset := -e 's/^\([0-9a-fA-F]*\) [ABCDGRSTVW] \(_text\|_end\)$$/\#define VO_\2 0x\1/p'
79 quiet_cmd_voffset = VOFFSET $@
80 cmd_voffset = $(NM) $< | sed -n $(sed-voffset) > $@
83 $(obj)/voffset.h: vmlinux FORCE
84 $(call if_changed,voffset)
86 sed-zoffset := -e 's/^\([0-9a-fA-F]*\) [ABCDGRSTVW] \(startup_32\|startup_64\|efi32_stub_entry\|efi64_stub_entry\|efi_pe_entry\|input_data\|_end\|z_.*\)$$/\#define ZO_\2 0x\1/p'
88 quiet_cmd_zoffset = ZOFFSET $@
89 cmd_zoffset = $(NM) $< | sed -n $(sed-zoffset) > $@
92 $(obj)/zoffset.h: $(obj)/compressed/vmlinux FORCE
93 $(call if_changed,zoffset)
96 AFLAGS_header.o += -I$(obj)
97 $(obj)/header.o: $(obj)/voffset.h $(obj)/zoffset.h
99 LDFLAGS_setup.elf := -T
100 $(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE
101 $(call if_changed,ld)
103 OBJCOPYFLAGS_setup.bin := -O binary
104 $(obj)/setup.bin: $(obj)/setup.elf FORCE
105 $(call if_changed,objcopy)
107 $(obj)/compressed/vmlinux: FORCE
108 $(Q)$(MAKE) $(build)=$(obj)/compressed $@
110 # Set this if you want to pass append arguments to the
111 # bzdisk/fdimage/isoimage kernel
113 # Set this if you want an initrd included with the
114 # bzdisk/fdimage/isoimage kernel
117 image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,)
119 $(obj)/mtools.conf: $(src)/mtools.conf.in
120 sed -e 's|@OBJ@|$(obj)|g' < $< > $@
122 # This requires write access to /dev/fd0
123 bzdisk: $(obj)/bzImage $(obj)/mtools.conf
124 MTOOLSRC=$(obj)/mtools.conf mformat a: ; sync
125 syslinux /dev/fd0 ; sync
126 echo '$(image_cmdline)' | \
127 MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg
128 if [ -f '$(FDINITRD)' ] ; then \
129 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \
131 MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage a:linux ; sync
133 # These require being root or having syslinux 2.02 or higher installed
134 fdimage fdimage144: $(obj)/bzImage $(obj)/mtools.conf
135 dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440
136 MTOOLSRC=$(obj)/mtools.conf mformat v: ; sync
137 syslinux $(obj)/fdimage ; sync
138 echo '$(image_cmdline)' | \
139 MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
140 if [ -f '$(FDINITRD)' ] ; then \
141 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \
143 MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage v:linux ; sync
145 fdimage288: $(obj)/bzImage $(obj)/mtools.conf
146 dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880
147 MTOOLSRC=$(obj)/mtools.conf mformat w: ; sync
148 syslinux $(obj)/fdimage ; sync
149 echo '$(image_cmdline)' | \
150 MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
151 if [ -f '$(FDINITRD)' ] ; then \
152 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \
154 MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage w:linux ; sync
156 isoimage: $(obj)/bzImage
157 -rm -rf $(obj)/isoimage
158 mkdir $(obj)/isoimage
159 for i in lib lib64 share end ; do \
160 if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \
161 cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \
164 if [ $$i = end ] ; then exit 1 ; fi ; \
166 cp $(obj)/bzImage $(obj)/isoimage/linux
167 echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg
168 if [ -f '$(FDINITRD)' ] ; then \
169 cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \
171 mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \
172 -no-emul-boot -boot-load-size 4 -boot-info-table \
174 isohybrid $(obj)/image.iso 2>/dev/null || true
175 rm -rf $(obj)/isoimage
177 bzlilo: $(obj)/bzImage
178 if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
179 if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
180 cat $(obj)/bzImage > $(INSTALL_PATH)/vmlinuz
181 cp System.map $(INSTALL_PATH)/
182 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
185 sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(obj)/bzImage \
186 System.map "$(INSTALL_PATH)"