158 lines
5.2 KiB
Makefile
158 lines
5.2 KiB
Makefile
#
|
|
# 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.
|
|
#
|
|
|
|
# Sanitizer runtimes are unavailable and cannot be linked for early boot code.
|
|
KASAN_SANITIZE := n
|
|
KCSAN_SANITIZE := n
|
|
KMSAN_SANITIZE := n
|
|
OBJECT_FILES_NON_STANDARD := y
|
|
|
|
# Kernel does not boot with kcov instrumentation here.
|
|
# One of the problems observed was insertion of __sanitizer_cov_trace_pc()
|
|
# callback into middle of per-cpu data enabling code. Thus the callback observed
|
|
# inconsistent state and crashed. We are interested mostly in syscall coverage,
|
|
# so boot code is not interesting anyway.
|
|
KCOV_INSTRUMENT := n
|
|
|
|
# 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 hdimage
|
|
subdir- := compressed
|
|
|
|
setup-y += a20.o bioscall.o cmdline.o copy.o cpu.o cpuflags.o cpucheck.o
|
|
setup-y += early_serial_console.o edd.o header.o main.o memory.o
|
|
setup-y += pm.o pmjump.o printf.o regs.o string.o tty.o video.o
|
|
setup-y += video-mode.o 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 += $(setup-y)
|
|
hostprogs := tools/build
|
|
hostprogs += mkcpustr
|
|
|
|
HOST_EXTRACFLAGS += -I$(srctree)/tools/include \
|
|
-include include/generated/autoconf.h \
|
|
-D__EXPORTED_HEADERS__
|
|
|
|
$(obj)/cpu.o: $(obj)/cpustr.h
|
|
|
|
quiet_cmd_cpustr = CPUSTR $@
|
|
cmd_cpustr = $(obj)/mkcpustr > $@
|
|
$(obj)/cpustr.h: $(obj)/mkcpustr FORCE
|
|
$(call if_changed,cpustr)
|
|
targets += cpustr.h
|
|
|
|
# ---------------------------------------------------------------------------
|
|
|
|
KBUILD_CFLAGS := $(REALMODE_CFLAGS) -D_SETUP
|
|
KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
|
|
KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
|
|
KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
|
|
GCOV_PROFILE := n
|
|
UBSAN_SANITIZE := n
|
|
|
|
$(obj)/bzImage: asflags-y := $(SVGA_MODE)
|
|
|
|
quiet_cmd_image = BUILD $@
|
|
silent_redirect_image = >/dev/null
|
|
cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin \
|
|
$(obj)/zoffset.h $@ $($(quiet)redirect_image)
|
|
|
|
$(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE
|
|
$(call if_changed,image)
|
|
@$(kecho) 'Kernel: $@ is ready' ' (#'$(or $(KBUILD_BUILD_VERSION),`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-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'
|
|
|
|
quiet_cmd_zoffset = ZOFFSET $@
|
|
cmd_zoffset = $(NM) $< | sed -n $(sed-zoffset) > $@
|
|
|
|
targets += zoffset.h
|
|
$(obj)/zoffset.h: $(obj)/compressed/vmlinux FORCE
|
|
$(call if_changed,zoffset)
|
|
|
|
|
|
AFLAGS_header.o += -I$(objtree)/$(obj)
|
|
$(obj)/header.o: $(obj)/zoffset.h
|
|
|
|
LDFLAGS_setup.elf := -m elf_i386 -z noexecstack -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/hdimage/isoimage kernel
|
|
FDARGS =
|
|
# Set this if you want one or more initrds included in the image
|
|
FDINITRD =
|
|
|
|
imgdeps = $(obj)/bzImage $(obj)/mtools.conf $(src)/genimage.sh
|
|
|
|
$(obj)/mtools.conf: $(src)/mtools.conf.in
|
|
sed -e 's|@OBJ@|$(obj)|g' < $< > $@
|
|
|
|
targets += mtools.conf
|
|
|
|
# genimage.sh requires bash, but it also has a bunch of other
|
|
# external dependencies.
|
|
quiet_cmd_genimage = GENIMAGE $3
|
|
cmd_genimage = $(BASH) $(srctree)/$(src)/genimage.sh $2 $3 $(obj)/bzImage \
|
|
$(obj)/mtools.conf '$(FDARGS)' $(FDINITRD)
|
|
|
|
PHONY += bzdisk fdimage fdimage144 fdimage288 hdimage isoimage
|
|
|
|
# This requires write access to /dev/fd0
|
|
# All images require syslinux to be installed; hdimage also requires
|
|
# EDK2/OVMF if the kernel is compiled with the EFI stub.
|
|
bzdisk: $(imgdeps)
|
|
$(call cmd,genimage,bzdisk,/dev/fd0)
|
|
|
|
fdimage fdimage144: $(imgdeps)
|
|
$(call cmd,genimage,fdimage144,$(obj)/fdimage)
|
|
@$(kecho) 'Kernel: $(obj)/fdimage is ready'
|
|
|
|
fdimage288: $(imgdeps)
|
|
$(call cmd,genimage,fdimage288,$(obj)/fdimage)
|
|
@$(kecho) 'Kernel: $(obj)/fdimage is ready'
|
|
|
|
hdimage: $(imgdeps)
|
|
$(call cmd,genimage,hdimage,$(obj)/hdimage)
|
|
@$(kecho) 'Kernel: $(obj)/hdimage is ready'
|
|
|
|
isoimage: $(imgdeps)
|
|
$(call cmd,genimage,isoimage,$(obj)/image.iso)
|
|
@$(kecho) 'Kernel: $(obj)/image.iso is ready'
|