1 #
2 # arch/x86/boot/Makefile
3 #
4 # This file is subject to the terms and condit
5 # License. See the file "COPYING" in the main
6 # for more details.
7 #
8 # Copyright (C) 1994 by Linus Torvalds
9 # Changed by many, many contributors over the
10 #
11
12 # If you want to preset the SVGA mode, uncomme
13 # set SVGA_MODE to whatever number you want.
14 # Set it to -DSVGA_MODE=NORMAL_VGA if you just
15 # The number is the same as you would ordinari
16
17 SVGA_MODE := -DSVGA_MODE=NORMAL_VGA
18
19 targets := vmlinux.bin setup.bin setup
20 targets += fdimage fdimage144 fdimage2
21 subdir- := compressed
22
23 setup-y += a20.o bioscall.o cmdline.o
24 setup-y += early_serial_console.o edd.
25 setup-y += pm.o pmjump.o printf.o regs
26 setup-y += video-mode.o version.o
27 setup-$(CONFIG_X86_APM_BOOT) += apm.o
28
29 # The link order of the video-*.o modules can
30 # video-vga.o *must* be listed first, followed
31 # Hardware-specific drivers should follow in t
32 # probed, and video-bios.o should typically be
33 setup-y += video-vga.o
34 setup-y += video-vesa.o
35 setup-y += video-bios.o
36
37 targets += $(setup-y)
38 hostprogs := tools/build
39 hostprogs += mkcpustr
40
41 HOST_EXTRACFLAGS += -I$(srctree)/tools/include
42 -include include/generated
43 -D__EXPORTED_HEADERS__
44
45 $(obj)/cpu.o: $(obj)/cpustr.h
46
47 quiet_cmd_cpustr = CPUSTR $@
48 cmd_cpustr = $(obj)/mkcpustr > $@
49 $(obj)/cpustr.h: $(obj)/mkcpustr FORCE
50 $(call if_changed,cpustr)
51 targets += cpustr.h
52
53 # --------------------------------------------
54
55 KBUILD_CFLAGS := $(REALMODE_CFLAGS) -D_SETUP
56 KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMB
57 KBUILD_CFLAGS += $(call cc-option,-fmacro-pr
58 KBUILD_CFLAGS += -fno-asynchronous-unwind-ta
59 KBUILD_CFLAGS += $(CONFIG_CC_IMPLICIT_FALLTH
60
61 $(obj)/bzImage: asflags-y := $(SVGA_MODE)
62
63 quiet_cmd_image = BUILD $@
64 silent_redirect_image = >/dev/null
65 cmd_image = $(obj)/tools/build $(obj)/setup.bi
66 $(obj)/zoffset.
67
68 $(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinu
69 $(call if_changed,image)
70 @$(kecho) 'Kernel: $@ is ready' ' (#'$
71
72 OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note
73 $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux
74 $(call if_changed,objcopy)
75
76 SETUP_OBJS = $(addprefix $(obj)/,$(setup-y))
77
78 sed-zoffset := -e 's/^\([0-9a-fA-F]*\) [a-zA-Z
79
80 quiet_cmd_zoffset = ZOFFSET $@
81 cmd_zoffset = $(NM) $< | sed -n $(sed-zo
82
83 targets += zoffset.h
84 $(obj)/zoffset.h: $(obj)/compressed/vmlinux FO
85 $(call if_changed,zoffset)
86
87
88 AFLAGS_header.o += -I$(objtree)/$(obj)
89 $(obj)/header.o: $(obj)/zoffset.h
90
91 LDFLAGS_setup.elf := -m elf_i386 -z noex
92 $(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS
93 $(call if_changed,ld)
94
95 OBJCOPYFLAGS_setup.bin := -O binary
96 $(obj)/setup.bin: $(obj)/setup.elf FORCE
97 $(call if_changed,objcopy)
98
99 $(obj)/compressed/vmlinux: FORCE
100 $(Q)$(MAKE) $(build)=$(obj)/compressed
101
102 # Set this if you want to pass append argument
103 # bzdisk/fdimage/hdimage/isoimage kernel
104 FDARGS =
105 # Set this if you want one or more initrds inc
106 FDINITRD =
107
108 imgdeps = $(obj)/bzImage $(obj)/mtools.conf $(
109
110 $(obj)/mtools.conf: $(src)/mtools.conf.in
111 sed -e 's|@OBJ@|$(obj)|g' < $< > $@
112
113 targets += mtools.conf
114
115 # genimage.sh requires bash, but it also has a
116 # external dependencies.
117 quiet_cmd_genimage = GENIMAGE $3
118 cmd_genimage = $(BASH) $(src)/genimage.s
119 $(obj)/mtools.conf '$(FDARGS)'
120
121 PHONY += bzdisk fdimage fdimage144 fdimage288
122
123 # This requires write access to /dev/fd0
124 # All images require syslinux to be installed;
125 # EDK2/OVMF if the kernel is compiled with the
126 bzdisk: $(imgdeps)
127 $(call cmd,genimage,bzdisk,/dev/fd0)
128
129 fdimage fdimage144: $(imgdeps)
130 $(call cmd,genimage,fdimage144,$(obj)/
131 @$(kecho) 'Kernel: $(obj)/fdimage is r
132
133 fdimage288: $(imgdeps)
134 $(call cmd,genimage,fdimage288,$(obj)/
135 @$(kecho) 'Kernel: $(obj)/fdimage is r
136
137 hdimage: $(imgdeps)
138 $(call cmd,genimage,hdimage,$(obj)/hdi
139 @$(kecho) 'Kernel: $(obj)/hdimage is r
140
141 isoimage: $(imgdeps)
142 $(call cmd,genimage,isoimage,$(obj)/im
143 @$(kecho) 'Kernel: $(obj)/image.iso is
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