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/arch/x86/boot/Makefile

https://bitbucket.org/thekraven/iscream_thunderc-2.6.35
Makefile | 200 lines | 132 code | 38 blank | 30 comment | 12 complexity | 4a804d909d886019a41c7ec9330ba3d6 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
  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# ROOT_DEV specifies the default root-device when making the image.
 13# This can be either FLOPPY, CURRENT, /dev/xxxx or empty, in which case
 14# the default of FLOPPY is used by 'build'.
 15
 16ROOT_DEV	:= CURRENT
 17
 18# If you want to preset the SVGA mode, uncomment the next line and
 19# set SVGA_MODE to whatever number you want.
 20# Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode.
 21# The number is the same as you would ordinarily press at bootup.
 22
 23SVGA_MODE	:= -DSVGA_MODE=NORMAL_VGA
 24
 25targets		:= vmlinux.bin setup.bin setup.elf bzImage
 26targets		+= fdimage fdimage144 fdimage288 image.iso mtools.conf
 27subdir-		:= compressed
 28
 29setup-y		+= a20.o bioscall.o cmdline.o copy.o cpu.o cpucheck.o edd.o
 30setup-y		+= header.o main.o mca.o memory.o pm.o pmjump.o
 31setup-y		+= printf.o regs.o string.o tty.o video.o video-mode.o
 32setup-y		+= version.o
 33setup-$(CONFIG_X86_APM_BOOT) += apm.o
 34
 35# The link order of the video-*.o modules can matter.  In particular,
 36# video-vga.o *must* be listed first, followed by video-vesa.o.
 37# Hardware-specific drivers should follow in the order they should be
 38# probed, and video-bios.o should typically be last.
 39setup-y		+= video-vga.o
 40setup-y		+= video-vesa.o
 41setup-y		+= video-bios.o
 42
 43targets		+= $(setup-y)
 44hostprogs-y	:= mkcpustr tools/build
 45
 46HOST_EXTRACFLAGS += $(LINUXINCLUDE)
 47
 48$(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)
 55
 56# ---------------------------------------------------------------------------
 57
 58# How to compile the 16-bit code.  Note we always compile for -march=i386,
 59# that way we can complain to the user if the CPU is insufficient.
 60KBUILD_CFLAGS	:= $(LINUXINCLUDE) -g -Os -D_SETUP -D__KERNEL__ \
 61		   -DDISABLE_BRANCH_PROFILING \
 62		   -Wall -Wstrict-prototypes \
 63		   -march=i386 -mregparm=3 \
 64		   -include $(srctree)/$(src)/code16gcc.h \
 65		   -fno-strict-aliasing -fomit-frame-pointer \
 66		   $(call cc-option, -ffreestanding) \
 67		   $(call cc-option, -fno-toplevel-reorder,\
 68			$(call cc-option, -fno-unit-at-a-time)) \
 69		   $(call cc-option, -fno-stack-protector) \
 70		   $(call cc-option, -mpreferred-stack-boundary=2)
 71KBUILD_CFLAGS	+= $(call cc-option, -m32)
 72KBUILD_AFLAGS	:= $(KBUILD_CFLAGS) -D__ASSEMBLY__
 73GCOV_PROFILE := n
 74
 75$(obj)/bzImage: asflags-y  := $(SVGA_MODE)
 76
 77quiet_cmd_image = BUILD   $@
 78cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin \
 79	$(ROOT_DEV) > $@
 80
 81$(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE
 82	$(call if_changed,image)
 83	@echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
 84
 85OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S
 86$(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
 87	$(call if_changed,objcopy)
 88
 89SETUP_OBJS = $(addprefix $(obj)/,$(setup-y))
 90
 91sed-voffset := -e 's/^\([0-9a-fA-F]*\) . \(_text\|_end\)$$/\#define VO_\2 0x\1/p'
 92
 93quiet_cmd_voffset = VOFFSET $@
 94      cmd_voffset = $(NM) $< | sed -n $(sed-voffset) > $@
 95
 96targets += voffset.h
 97$(obj)/voffset.h: vmlinux FORCE
 98	$(call if_changed,voffset)
 99
100sed-zoffset := -e 's/^\([0-9a-fA-F]*\) . \(startup_32\|input_data\|_end\|z_.*\)$$/\#define ZO_\2 0x\1/p'
101
102quiet_cmd_zoffset = ZOFFSET $@
103      cmd_zoffset = $(NM) $< | sed -n $(sed-zoffset) > $@
104
105targets += zoffset.h
106$(obj)/zoffset.h: $(obj)/compressed/vmlinux FORCE
107	$(call if_changed,zoffset)
108
109
110AFLAGS_header.o += -I$(obj)
111$(obj)/header.o: $(obj)/voffset.h $(obj)/zoffset.h
112
113LDFLAGS_setup.elf	:= -T
114$(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE
115	$(call if_changed,ld)
116
117OBJCOPYFLAGS_setup.bin	:= -O binary
118$(obj)/setup.bin: $(obj)/setup.elf FORCE
119	$(call if_changed,objcopy)
120
121$(obj)/compressed/vmlinux: FORCE
122	$(Q)$(MAKE) $(build)=$(obj)/compressed $@
123
124# Set this if you want to pass append arguments to the
125# bzdisk/fdimage/isoimage kernel
126FDARGS =
127# Set this if you want an initrd included with the
128# bzdisk/fdimage/isoimage kernel
129FDINITRD =
130
131image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,)
132
133$(obj)/mtools.conf: $(src)/mtools.conf.in
134	sed -e 's|@OBJ@|$(obj)|g' < $< > $@
135
136# This requires write access to /dev/fd0
137bzdisk: $(obj)/bzImage $(obj)/mtools.conf
138	MTOOLSRC=$(obj)/mtools.conf mformat a:			; sync
139	syslinux /dev/fd0					; sync
140	echo '$(image_cmdline)' | \
141		MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg
142	if [ -f '$(FDINITRD)' ] ; then \
143		MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \
144	fi
145	MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage a:linux	; sync
146
147# These require being root or having syslinux 2.02 or higher installed
148fdimage fdimage144: $(obj)/bzImage $(obj)/mtools.conf
149	dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440
150	MTOOLSRC=$(obj)/mtools.conf mformat v:			; sync
151	syslinux $(obj)/fdimage					; sync
152	echo '$(image_cmdline)' | \
153		MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
154	if [ -f '$(FDINITRD)' ] ; then \
155		MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \
156	fi
157	MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage v:linux	; sync
158
159fdimage288: $(obj)/bzImage $(obj)/mtools.conf
160	dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880
161	MTOOLSRC=$(obj)/mtools.conf mformat w:			; sync
162	syslinux $(obj)/fdimage					; sync
163	echo '$(image_cmdline)' | \
164		MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
165	if [ -f '$(FDINITRD)' ] ; then \
166		MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \
167	fi
168	MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage w:linux	; sync
169
170isoimage: $(obj)/bzImage
171	-rm -rf $(obj)/isoimage
172	mkdir $(obj)/isoimage
173	for i in lib lib64 share end ; do \
174		if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \
175			cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \
176			break ; \
177		fi ; \
178		if [ $$i = end ] ; then exit 1 ; fi ; \
179	done
180	cp $(obj)/bzImage $(obj)/isoimage/linux
181	echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg
182	if [ -f '$(FDINITRD)' ] ; then \
183		cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \
184	fi
185	mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \
186		-no-emul-boot -boot-load-size 4 -boot-info-table \
187		$(obj)/isoimage
188	isohybrid $(obj)/image.iso 2>/dev/null || true
189	rm -rf $(obj)/isoimage
190
191bzlilo: $(obj)/bzImage
192	if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
193	if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
194	cat $(obj)/bzImage > $(INSTALL_PATH)/vmlinuz
195	cp System.map $(INSTALL_PATH)/
196	if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
197
198install:
199	sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(obj)/bzImage \
200		System.map "$(INSTALL_PATH)"