| # |
| # 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. |
| # |
| |
| # ROOT_DEV specifies the default root-device when making the image. |
| # This can be either FLOPPY, CURRENT, /dev/xxxx or empty, in which case |
| # the default of FLOPPY is used by 'build'. |
| |
| ROOT_DEV := CURRENT |
| |
| # 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 cpucheck.o edd.o |
| setup-y += header.o main.o mca.o memory.o pm.o pmjump.o |
| setup-y += printf.o regs.o string.o tty.o video.o video-mode.o |
| setup-y += 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 := mkcpustr tools/build |
| |
| HOST_EXTRACFLAGS += $(LINUXINCLUDE) |
| |
| $(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) |
| |
| # --------------------------------------------------------------------------- |
| |
| # How to compile the 16-bit code. Note we always compile for -march=i386, |
| # that way we can complain to the user if the CPU is insufficient. |
| KBUILD_CFLAGS := $(LINUXINCLUDE) -g -Os -D_SETUP -D__KERNEL__ \ |
| -DDISABLE_BRANCH_PROFILING \ |
| -Wall -Wstrict-prototypes \ |
| -march=i386 -mregparm=3 \ |
| -include $(srctree)/$(src)/code16gcc.h \ |
| -fno-strict-aliasing -fomit-frame-pointer \ |
| $(call cc-option, -ffreestanding) \ |
| $(call cc-option, -fno-toplevel-reorder,\ |
| $(call cc-option, -fno-unit-at-a-time)) \ |
| $(call cc-option, -fno-stack-protector) \ |
| $(call cc-option, -mpreferred-stack-boundary=2) |
| KBUILD_CFLAGS += $(call cc-option, -m32) |
| KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ |
| |
| $(obj)/bzImage: asflags-y := $(SVGA_MODE) |
| |
| quiet_cmd_image = BUILD $@ |
| cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin \ |
| $(ROOT_DEV) > $@ |
| |
| $(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE |
| $(call if_changed,image) |
| @echo '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-voffset := -e 's/^\([0-9a-fA-F]*\) . \(_text\|_end\)$$/\#define VO_\2 0x\1/p' |
| |
| quiet_cmd_voffset = VOFFSET $@ |
| cmd_voffset = $(NM) $< | sed -n $(sed-voffset) > $@ |
| |
| targets += voffset.h |
| $(obj)/voffset.h: vmlinux FORCE |
| $(call if_changed,voffset) |
| |
| sed-zoffset := -e 's/^\([0-9a-fA-F]*\) . \(startup_32\|input_data\|_end\|z_.*\)$$/\#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$(obj) |
| $(obj)/header.o: $(obj)/voffset.h $(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/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \ |
| break ; \ |
| fi ; \ |
| if [ $$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)" |