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161 lines
5.5 KiB
161 lines
5.5 KiB
# |
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# arch/x86/boot/Makefile |
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# |
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# This file is subject to the terms and conditions of the GNU General Public |
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# License. See the file "COPYING" in the main directory of this archive |
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# for more details. |
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# |
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# Copyright (C) 1994 by Linus Torvalds |
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# Changed by many, many contributors over the years. |
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# |
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# Sanitizer runtimes are unavailable and cannot be linked for early boot code. |
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KASAN_SANITIZE := n |
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KCSAN_SANITIZE := n |
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OBJECT_FILES_NON_STANDARD := y |
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# Kernel does not boot with kcov instrumentation here. |
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# One of the problems observed was insertion of __sanitizer_cov_trace_pc() |
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# callback into middle of per-cpu data enabling code. Thus the callback observed |
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# inconsistent state and crashed. We are interested mostly in syscall coverage, |
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# so boot code is not interesting anyway. |
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KCOV_INSTRUMENT := n |
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# If you want to preset the SVGA mode, uncomment the next line and |
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# set SVGA_MODE to whatever number you want. |
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# Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode. |
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# The number is the same as you would ordinarily press at bootup. |
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SVGA_MODE := -DSVGA_MODE=NORMAL_VGA |
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targets := vmlinux.bin setup.bin setup.elf bzImage |
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targets += fdimage fdimage144 fdimage288 image.iso mtools.conf |
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subdir- := compressed |
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setup-y += a20.o bioscall.o cmdline.o copy.o cpu.o cpuflags.o cpucheck.o |
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setup-y += early_serial_console.o edd.o header.o main.o memory.o |
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setup-y += pm.o pmjump.o printf.o regs.o string.o tty.o video.o |
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setup-y += video-mode.o version.o |
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setup-$(CONFIG_X86_APM_BOOT) += apm.o |
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# The link order of the video-*.o modules can matter. In particular, |
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# video-vga.o *must* be listed first, followed by video-vesa.o. |
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# Hardware-specific drivers should follow in the order they should be |
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# probed, and video-bios.o should typically be last. |
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setup-y += video-vga.o |
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setup-y += video-vesa.o |
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setup-y += video-bios.o |
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targets += $(setup-y) |
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hostprogs := tools/build |
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hostprogs += mkcpustr |
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HOST_EXTRACFLAGS += -I$(srctree)/tools/include \ |
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-include include/generated/autoconf.h \ |
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-D__EXPORTED_HEADERS__ |
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ifdef CONFIG_X86_FEATURE_NAMES |
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$(obj)/cpu.o: $(obj)/cpustr.h |
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quiet_cmd_cpustr = CPUSTR $@ |
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cmd_cpustr = $(obj)/mkcpustr > $@ |
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$(obj)/cpustr.h: $(obj)/mkcpustr FORCE |
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$(call if_changed,cpustr) |
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endif |
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targets += cpustr.h |
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# --------------------------------------------------------------------------- |
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KBUILD_CFLAGS := $(REALMODE_CFLAGS) -D_SETUP |
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KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ |
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KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=) |
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KBUILD_CFLAGS += -fno-asynchronous-unwind-tables |
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GCOV_PROFILE := n |
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UBSAN_SANITIZE := n |
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$(obj)/bzImage: asflags-y := $(SVGA_MODE) |
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quiet_cmd_image = BUILD $@ |
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silent_redirect_image = >/dev/null |
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cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin \ |
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$(obj)/zoffset.h $@ $($(quiet)redirect_image) |
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$(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE |
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$(call if_changed,image) |
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@$(kecho) 'Kernel: $@ is ready' ' (#'`cat .version`')' |
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OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S |
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$(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE |
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$(call if_changed,objcopy) |
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SETUP_OBJS = $(addprefix $(obj)/,$(setup-y)) |
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sed-zoffset := -e 's/^\([0-9a-fA-F]*\) [a-zA-Z] \(startup_32\|startup_64\|efi32_stub_entry\|efi64_stub_entry\|efi_pe_entry\|efi32_pe_entry\|input_data\|kernel_info\|_end\|_ehead\|_text\|z_.*\)$$/\#define ZO_\2 0x\1/p' |
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quiet_cmd_zoffset = ZOFFSET $@ |
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cmd_zoffset = $(NM) $< | sed -n $(sed-zoffset) > $@ |
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targets += zoffset.h |
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$(obj)/zoffset.h: $(obj)/compressed/vmlinux FORCE |
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$(call if_changed,zoffset) |
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AFLAGS_header.o += -I$(objtree)/$(obj) |
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$(obj)/header.o: $(obj)/zoffset.h |
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LDFLAGS_setup.elf := -m elf_i386 -T |
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$(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE |
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$(call if_changed,ld) |
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OBJCOPYFLAGS_setup.bin := -O binary |
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$(obj)/setup.bin: $(obj)/setup.elf FORCE |
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$(call if_changed,objcopy) |
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$(obj)/compressed/vmlinux: FORCE |
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$(Q)$(MAKE) $(build)=$(obj)/compressed $@ |
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# Set this if you want to pass append arguments to the |
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# bzdisk/fdimage/isoimage kernel |
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FDARGS = |
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# Set this if you want an initrd included with the |
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# bzdisk/fdimage/isoimage kernel |
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FDINITRD = |
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image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,) |
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$(obj)/mtools.conf: $(src)/mtools.conf.in |
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sed -e 's|@OBJ@|$(obj)|g' < $< > $@ |
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quiet_cmd_genimage = GENIMAGE $3 |
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cmd_genimage = sh $(srctree)/$(src)/genimage.sh $2 $3 $(obj)/bzImage \ |
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$(obj)/mtools.conf '$(image_cmdline)' $(FDINITRD) |
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PHONY += bzdisk fdimage fdimage144 fdimage288 isoimage bzlilo install |
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# This requires write access to /dev/fd0 |
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bzdisk: $(obj)/bzImage $(obj)/mtools.conf |
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$(call cmd,genimage,bzdisk,/dev/fd0) |
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# These require being root or having syslinux 2.02 or higher installed |
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fdimage fdimage144: $(obj)/bzImage $(obj)/mtools.conf |
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$(call cmd,genimage,fdimage144,$(obj)/fdimage) |
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@$(kecho) 'Kernel: $(obj)/fdimage is ready' |
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fdimage288: $(obj)/bzImage $(obj)/mtools.conf |
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$(call cmd,genimage,fdimage288,$(obj)/fdimage) |
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@$(kecho) 'Kernel: $(obj)/fdimage is ready' |
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isoimage: $(obj)/bzImage |
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$(call cmd,genimage,isoimage,$(obj)/image.iso) |
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@$(kecho) 'Kernel: $(obj)/image.iso is ready' |
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bzlilo: |
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if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi |
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if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi |
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cat $(obj)/bzImage > $(INSTALL_PATH)/vmlinuz |
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cp System.map $(INSTALL_PATH)/ |
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if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi |
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install: |
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sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(obj)/bzImage \ |
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System.map "$(INSTALL_PATH)"
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