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.
13 OBJECT_FILES_NON_STANDARD
:= y
15 # Kernel does not boot with kcov instrumentation here.
16 # One of the problems observed was insertion of __sanitizer_cov_trace_pc()
17 # callback into middle of per-cpu data enabling code. Thus the callback observed
18 # inconsistent state and crashed. We are interested mostly in syscall coverage,
19 # so boot code is not interesting anyway.
22 # If you want to preset the SVGA mode, uncomment the next line and
23 # set SVGA_MODE to whatever number you want.
24 # Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode.
25 # The number is the same as you would ordinarily press at bootup.
27 SVGA_MODE
:= -DSVGA_MODE
=NORMAL_VGA
29 targets
:= vmlinux.bin setup.bin setup.elf bzImage
30 targets
+= fdimage fdimage144 fdimage288 image.iso mtools.conf
33 setup-y
+= a20.o bioscall.o cmdline.o copy.o cpu.o cpuflags.o cpucheck.o
34 setup-y
+= early_serial_console.o edd.o header.o main.o memory.o
35 setup-y
+= pm.o pmjump.o printf.o regs.o string.o tty.o video.o
36 setup-y
+= video-mode.o version.o
37 setup-
$(CONFIG_X86_APM_BOOT
) += apm.o
39 # The link order of the video-*.o modules can matter. In particular,
40 # video-vga.o *must* be listed first, followed by video-vesa.o.
41 # Hardware-specific drivers should follow in the order they should be
42 # probed, and video-bios.o should typically be last.
43 setup-y
+= video-vga.o
44 setup-y
+= video-vesa.o
45 setup-y
+= video-bios.o
48 hostprogs-y
:= tools
/build
49 hostprogs-
$(CONFIG_X86_FEATURE_NAMES
) += mkcpustr
51 HOST_EXTRACFLAGS
+= -I
$(srctree
)/tools
/include \
52 -include include/generated
/autoconf.h \
53 -D__EXPORTED_HEADERS__
55 ifdef CONFIG_X86_FEATURE_NAMES
56 $(obj
)/cpu.o
: $(obj
)/cpustr.h
58 quiet_cmd_cpustr
= CPUSTR
$@
59 cmd_cpustr
= $(obj
)/mkcpustr
> $@
61 $(obj
)/cpustr.h
: $(obj
)/mkcpustr FORCE
62 $(call if_changed
,cpustr
)
64 clean-files
+= cpustr.h
66 # ---------------------------------------------------------------------------
68 KBUILD_CFLAGS
:= $(REALMODE_CFLAGS
) -D_SETUP
69 KBUILD_AFLAGS
:= $(KBUILD_CFLAGS
) -D__ASSEMBLY__
73 $(obj
)/bzImage
: asflags-y
:= $(SVGA_MODE
)
75 quiet_cmd_image
= BUILD
$@
76 silent_redirect_image
= >/dev
/null
77 cmd_image
= $(obj
)/tools
/build
$(obj
)/setup.bin
$(obj
)/vmlinux.bin \
78 $(obj
)/zoffset.h
$@
$($(quiet
)redirect_image
)
80 $(obj
)/bzImage
: $(obj
)/setup.bin
$(obj
)/vmlinux.bin
$(obj
)/tools
/build FORCE
81 $(call if_changed
,image
)
82 @
$(kecho
) 'Kernel: $@ is ready' ' (#'`cat .version`')'
84 OBJCOPYFLAGS_vmlinux.bin
:= -O binary
-R .note
-R .comment
-S
85 $(obj
)/vmlinux.bin
: $(obj
)/compressed
/vmlinux FORCE
86 $(call if_changed
,objcopy
)
88 SETUP_OBJS
= $(addprefix $(obj
)/,$(setup-y
))
90 sed-zoffset
:= -e
's/^\([0-9a-fA-F]*\) [ABCDGRSTVW] \(startup_32\|startup_64\|efi32_stub_entry\|efi64_stub_entry\|efi_pe_entry\|input_data\|_end\|_ehead\|_text\|z_.*\)$$/\#define ZO_\2 0x\1/p'
92 quiet_cmd_zoffset
= ZOFFSET
$@
93 cmd_zoffset
= $(NM
) $< | sed
-n
$(sed-zoffset
) > $@
96 $(obj
)/zoffset.h
: $(obj
)/compressed
/vmlinux FORCE
97 $(call if_changed
,zoffset
)
100 AFLAGS_header.o
+= -I
$(objtree
)/$(obj
)
101 $(obj
)/header.o
: $(obj
)/zoffset.h
103 LDFLAGS_setup.elf
:= -m elf_i386
-T
104 $(obj
)/setup.elf
: $(src
)/setup.
ld $(SETUP_OBJS
) FORCE
105 $(call if_changed
,ld)
107 OBJCOPYFLAGS_setup.bin
:= -O binary
108 $(obj
)/setup.bin
: $(obj
)/setup.elf FORCE
109 $(call if_changed
,objcopy
)
111 $(obj
)/compressed
/vmlinux
: FORCE
112 $(Q
)$(MAKE
) $(build
)=$(obj
)/compressed
$@
114 # Set this if you want to pass append arguments to the
115 # bzdisk/fdimage/isoimage kernel
117 # Set this if you want an initrd included with the
118 # bzdisk/fdimage/isoimage kernel
121 image_cmdline
= default linux
$(FDARGS
) $(if
$(FDINITRD
),initrd
=initrd.img
,)
123 $(obj
)/mtools.conf
: $(src
)/mtools.conf.in
124 sed
-e
's|@OBJ@|$(obj)|g' < $< > $@
126 quiet_cmd_genimage
= GENIMAGE
$3
127 cmd_genimage
= sh
$(srctree
)/$(src
)/genimage.sh
$2 $3 $(obj
)/bzImage \
128 $(obj
)/mtools.conf
'$(image_cmdline)' $(FDINITRD
)
130 # This requires write access to /dev/fd0
131 bzdisk
: $(obj
)/bzImage
$(obj
)/mtools.conf
132 $(call cmd
,genimage
,bzdisk
,/dev
/fd0
)
134 # These require being root or having syslinux 2.02 or higher installed
135 fdimage fdimage144
: $(obj
)/bzImage
$(obj
)/mtools.conf
136 $(call cmd
,genimage
,fdimage144
,$(obj
)/fdimage
)
137 @
$(kecho
) 'Kernel: $(obj)/fdimage is ready'
139 fdimage288
: $(obj
)/bzImage
$(obj
)/mtools.conf
140 $(call cmd
,genimage
,fdimage288
,$(obj
)/fdimage
)
141 @
$(kecho
) 'Kernel: $(obj)/fdimage is ready'
143 isoimage
: $(obj
)/bzImage
144 $(call cmd
,genimage
,isoimage
,$(obj
)/image.iso
)
145 @
$(kecho
) 'Kernel: $(obj)/image.iso is ready'
147 bzlilo
: $(obj
)/bzImage
148 if
[ -f
$(INSTALL_PATH
)/vmlinuz
]; then mv
$(INSTALL_PATH
)/vmlinuz
$(INSTALL_PATH
)/vmlinuz.old
; fi
149 if
[ -f
$(INSTALL_PATH
)/System.map
]; then mv
$(INSTALL_PATH
)/System.map
$(INSTALL_PATH
)/System.old
; fi
150 cat
$(obj
)/bzImage
> $(INSTALL_PATH
)/vmlinuz
151 cp System.map
$(INSTALL_PATH
)/
152 if
[ -x
/sbin
/lilo
]; then
/sbin
/lilo
; else /etc
/lilo
/install; fi
155 sh
$(srctree
)/$(src
)/install.sh
$(KERNELRELEASE
) $(obj
)/bzImage \
156 System.map
"$(INSTALL_PATH)"