arch/x86/realmode/rm/Makefile

   1 #
   2 # arch/x86/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
  10 always-y := realmode.bin realmode.relocs
  11
  12 wakeup-objs     := wakeup_asm.o wakemain.o video-mode.o
  13 wakeup-objs     += copy.o bioscall.o regs.o
  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-objs     += video-vga.o
  19 wakeup-objs     += video-vesa.o
  20 wakeup-objs     += video-bios.o
  21
  22 realmode-y                      += header.o
  23 realmode-y                      += trampoline_$(BITS).o
  24 realmode-y                      += stack.o
  25 realmode-y                      += reboot.o
  26 realmode-$(CONFIG_ACPI_SLEEP)   += $(wakeup-objs)
  27
  28 targets += $(realmode-y)
  29
  30 REALMODE_OBJS = $(addprefix $(obj)/,$(realmode-y))
  31
  32 sed-pasyms := -n -r -e 's/^([0-9a-fA-F]+) [ABCDGRSTVW] (.+)$$/pa_\2 = \2;/p'
  33
  34 quiet_cmd_pasyms = PASYMS  $@
  35       cmd_pasyms = $(NM) $(real-prereqs) | sed $(sed-pasyms) | sort | uniq > $@
  36
  37 targets += pasyms.h
  38 $(obj)/pasyms.h: $(REALMODE_OBJS) FORCE
  39         $(call if_changed,pasyms)
  40
  41 targets += realmode.lds
  42 $(obj)/realmode.lds: $(obj)/pasyms.h
  43
  44 LDFLAGS_realmode.elf := -m elf_i386 --emit-relocs -T
  45 CPPFLAGS_realmode.lds += -P -C -I$(objtree)/$(obj)
  46
  47 targets += realmode.elf
  48 $(obj)/realmode.elf: $(obj)/realmode.lds $(REALMODE_OBJS) FORCE
  49         $(call if_changed,ld)
  50
  51 OBJCOPYFLAGS_realmode.bin := -O binary
  52
  53 targets += realmode.bin
  54 $(obj)/realmode.bin: $(obj)/realmode.elf $(obj)/realmode.relocs FORCE
  55         $(call if_changed,objcopy)
  56
  57 quiet_cmd_relocs = RELOCS  $@
  58       cmd_relocs = arch/x86/tools/relocs --realmode $< > $@
  59
  60 targets += realmode.relocs
  61 $(obj)/realmode.relocs: $(obj)/realmode.elf FORCE
  62         $(call if_changed,relocs)
  63
  64 # ---------------------------------------------------------------------------
  65
  66 KBUILD_CFLAGS   := $(REALMODE_CFLAGS) -D_SETUP -D_WAKEUP \
  67                    -I$(srctree)/arch/x86/boot
  68 KBUILD_AFLAGS   := $(KBUILD_CFLAGS) -D__ASSEMBLY__
  69 KBUILD_CFLAGS   += -fno-asynchronous-unwind-tables