167bc16ce0e59ca080112db6d232f270df7ceea0
[linux-3.10.git] / arch / x86 / kernel / acpi / realmode / Makefile
1 #
2 # arch/x86/kernel/acpi/realmode/Makefile
3 #
4 # This file is subject to the terms and conditions of the GNU General Public
5 # License.  See the file "COPYING" in the main directory of this archive
6 # for more details.
7 #
8
9 always          := wakeup.bin
10 targets         := wakeup.elf wakeup.lds
11
12 wakeup-y        += wakeup.o wakemain.o video-mode.o copy.o bioscall.o regs.o
13
14 # The link order of the video-*.o modules can matter.  In particular,
15 # video-vga.o *must* be listed first, followed by video-vesa.o.
16 # Hardware-specific drivers should follow in the order they should be
17 # probed, and video-bios.o should typically be last.
18 wakeup-y        += video-vga.o
19 wakeup-y        += video-vesa.o
20 wakeup-y        += video-bios.o
21
22 targets         += $(wakeup-y)
23
24 bootsrc         := $(src)/../../../boot
25
26 # ---------------------------------------------------------------------------
27
28 # How to compile the 16-bit code.  Note we always compile for -march=i386,
29 # that way we can complain to the user if the CPU is insufficient.
30 # Compile with _SETUP since this is similar to the boot-time setup code.
31 KBUILD_CFLAGS   := $(LINUXINCLUDE) -g -Os -D_SETUP -D_WAKEUP -D__KERNEL__ \
32                    -I$(srctree)/$(bootsrc) \
33                    $(cflags-y) \
34                    -Wall -Wstrict-prototypes \
35                    -march=i386 -mregparm=3 \
36                    -include $(srctree)/$(bootsrc)/code16gcc.h \
37                    -fno-strict-aliasing -fomit-frame-pointer \
38                    $(call cc-option, -ffreestanding) \
39                    $(call cc-option, -fno-toplevel-reorder,\
40                         $(call cc-option, -fno-unit-at-a-time)) \
41                    $(call cc-option, -fno-stack-protector) \
42                    $(call cc-option, -mpreferred-stack-boundary=2)
43 KBUILD_CFLAGS   += $(call cc-option, -m32)
44 KBUILD_AFLAGS   := $(KBUILD_CFLAGS) -D__ASSEMBLY__
45
46 WAKEUP_OBJS = $(addprefix $(obj)/,$(wakeup-y))
47
48 LDFLAGS_wakeup.elf      := -T
49
50 CPPFLAGS_wakeup.lds += -P -C
51
52 $(obj)/wakeup.elf: $(obj)/wakeup.lds $(WAKEUP_OBJS) FORCE
53         $(call if_changed,ld)
54
55 OBJCOPYFLAGS_wakeup.bin := -O binary
56
57 $(obj)/wakeup.bin: $(obj)/wakeup.elf FORCE
58         $(call if_changed,objcopy)