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 9always := wakeup.bin 10targets := wakeup.elf wakeup.lds 11 12wakeup-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. 18wakeup-y += video-vga.o 19wakeup-y += video-vesa.o 20wakeup-y += video-bios.o 21 22targets += $(wakeup-y) 23 24bootsrc := $(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. 31KBUILD_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) 43KBUILD_CFLAGS += $(call cc-option, -m32) 44KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ 45GCOV_PROFILE := n 46 47WAKEUP_OBJS = $(addprefix $(obj)/,$(wakeup-y)) 48 49LDFLAGS_wakeup.elf := -T 50 51CPPFLAGS_wakeup.lds += -P -C 52 53$(obj)/wakeup.elf: $(obj)/wakeup.lds $(WAKEUP_OBJS) FORCE 54 $(call if_changed,ld) 55 56OBJCOPYFLAGS_wakeup.bin := -O binary 57 58$(obj)/wakeup.bin: $(obj)/wakeup.elf FORCE 59 $(call if_changed,objcopy) 60