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59 lines
1.9 KiB
59 lines
1.9 KiB
#
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# arch/x86/kernel/acpi/realmode/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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always := wakeup.bin
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targets := wakeup.elf wakeup.lds
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wakeup-y += wakeup.o wakemain.o video-mode.o copy.o bioscall.o regs.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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wakeup-y += video-vga.o
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wakeup-y += video-vesa.o
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wakeup-y += video-bios.o
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targets += $(wakeup-y)
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bootsrc := $(src)/../../../boot
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# ---------------------------------------------------------------------------
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# How to compile the 16-bit code. Note we always compile for -march=i386,
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# that way we can complain to the user if the CPU is insufficient.
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# Compile with _SETUP since this is similar to the boot-time setup code.
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KBUILD_CFLAGS := $(LINUXINCLUDE) -g -Os -D_SETUP -D_WAKEUP -D__KERNEL__ \
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-I$(srctree)/$(bootsrc) \
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$(cflags-y) \
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-Wall -Wstrict-prototypes \
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-march=i386 -mregparm=3 \
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-include $(srctree)/$(bootsrc)/code16gcc.h \
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-fno-strict-aliasing -fomit-frame-pointer \
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$(call cc-option, -ffreestanding) \
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$(call cc-option, -fno-toplevel-reorder,\
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$(call cc-option, -fno-unit-at-a-time)) \
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$(call cc-option, -fno-stack-protector) \
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$(call cc-option, -mpreferred-stack-boundary=2)
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KBUILD_CFLAGS += $(call cc-option, -m32)
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KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
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GCOV_PROFILE := n
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WAKEUP_OBJS = $(addprefix $(obj)/,$(wakeup-y))
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LDFLAGS_wakeup.elf := -T
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CPPFLAGS_wakeup.lds += -P -C
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$(obj)/wakeup.elf: $(obj)/wakeup.lds $(WAKEUP_OBJS) FORCE
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$(call if_changed,ld)
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OBJCOPYFLAGS_wakeup.bin := -O binary
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$(obj)/wakeup.bin: $(obj)/wakeup.elf FORCE
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$(call if_changed,objcopy)
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