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#
# arch/x86/realmode/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.
#
#
KASAN_SANITIZE := n
OBJECT_FILES_NON_STANDARD := y
# Prevents link failures: __sanitizer_cov_trace_pc() is not linked in.
KCOV_INSTRUMENT := n
always := realmode.bin realmode.relocs
wakeup-objs := wakeup_asm.o wakemain.o video-mode.o
wakeup-objs += copy.o bioscall.o regs.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.
wakeup-objs += video-vga.o
wakeup-objs += video-vesa.o
wakeup-objs += video-bios.o
realmode-y += header.o
realmode-y += trampoline_$(BITS).o
realmode-y += stack.o
realmode-y += reboot.o
realmode-$(CONFIG_ACPI_SLEEP) += $(wakeup-objs)
targets += $(realmode-y)
REALMODE_OBJS = $(addprefix $(obj)/,$(realmode-y))
sed-pasyms := -n -r -e 's/^([0-9a-fA-F]+) [ABCDGRSTVW] (.+)$$/pa_\2 = \2;/p'
quiet_cmd_pasyms = PASYMS $@
cmd_pasyms = $(NM) $(real-prereqs) | sed $(sed-pasyms) | sort | uniq > $@
targets += pasyms.h
$(obj)/pasyms.h: $(REALMODE_OBJS) FORCE
$(call if_changed,pasyms)
targets += realmode.lds
$(obj)/realmode.lds: $(obj)/pasyms.h
LDFLAGS_realmode.elf := -m elf_i386 --emit-relocs -T
CPPFLAGS_realmode.lds += -P -C -I$(objtree)/$(obj)
targets += realmode.elf
$(obj)/realmode.elf: $(obj)/realmode.lds $(REALMODE_OBJS) FORCE
$(call if_changed,ld)
OBJCOPYFLAGS_realmode.bin := -O binary
targets += realmode.bin
$(obj)/realmode.bin: $(obj)/realmode.elf $(obj)/realmode.relocs FORCE
$(call if_changed,objcopy)
quiet_cmd_relocs = RELOCS $@
cmd_relocs = arch/x86/tools/relocs --realmode $< > $@
targets += realmode.relocs
$(obj)/realmode.relocs: $(obj)/realmode.elf FORCE
$(call if_changed,relocs)
# ---------------------------------------------------------------------------
KBUILD_CFLAGS := $(REALMODE_CFLAGS) -D_SETUP -D_WAKEUP \
-I$(srctree)/arch/x86/boot
KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
GCOV_PROFILE := n
UBSAN_SANITIZE := n
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