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 KASAN_SANITIZE := n
  10
  11 always := realmode.bin realmode.relocs
  12
  13 wakeup-objs     := wakeup_asm.o wakemain.o video-mode.o
  14 wakeup-objs     += copy.o bioscall.o regs.o
  15 # The link order of the video-*.o modules can matter.  In particular,
  16 # video-vga.o *must* be listed first, followed by video-vesa.o.
  17 # Hardware-specific drivers should follow in the order they should be
  18 # probed, and video-bios.o should typically be last.
  19 wakeup-objs     += video-vga.o
  20 wakeup-objs     += video-vesa.o
  21 wakeup-objs     += video-bios.o
  22
  23 realmode-y                      += header.o
  24 realmode-y                      += trampoline_$(BITS).o
  25 realmode-y                      += stack.o
  26 realmode-y                      += reboot.o
  27 realmode-$(CONFIG_ACPI_SLEEP)   += $(wakeup-objs)
  28
  29 targets += $(realmode-y)
  30
  31 REALMODE_OBJS = $(addprefix $(obj)/,$(realmode-y))
  32
  33 sed-pasyms := -n -r -e 's/^([0-9a-fA-F]+) [ABCDGRSTVW] (.+)$$/pa_\2 = \2;/p'
  34
  35 quiet_cmd_pasyms = PASYMS  $@
  36       cmd_pasyms = $(NM) $(filter-out FORCE,$^) | \
  37                    sed $(sed-pasyms) | sort | uniq > $@
  38
  39 targets += pasyms.h
  40 $(obj)/pasyms.h: $(REALMODE_OBJS) FORCE
  41         $(call if_changed,pasyms)
  42
  43 targets += realmode.lds
  44 $(obj)/realmode.lds: $(obj)/pasyms.h
  45
  46 LDFLAGS_realmode.elf := --emit-relocs -T
  47 CPPFLAGS_realmode.lds += -P -C -I$(obj)
  48
  49 targets += realmode.elf
  50 $(obj)/realmode.elf: $(obj)/realmode.lds $(REALMODE_OBJS) FORCE
  51         $(call if_changed,ld)
  52
  53 OBJCOPYFLAGS_realmode.bin := -O binary
  54
  55 targets += realmode.bin
  56 $(obj)/realmode.bin: $(obj)/realmode.elf $(obj)/realmode.relocs FORCE
  57         $(call if_changed,objcopy)
  58         @:
  59
  60 quiet_cmd_relocs = RELOCS  $@
  61       cmd_relocs = arch/x86/tools/relocs --realmode $< > $@
  62
  63 targets += realmode.relocs
  64 $(obj)/realmode.relocs: $(obj)/realmode.elf FORCE
  65         $(call if_changed,relocs)
  66
  67 # ---------------------------------------------------------------------------
  68
  69 KBUILD_CFLAGS   := $(LINUXINCLUDE) $(REALMODE_CFLAGS) -D_SETUP -D_WAKEUP \
  70                    -I$(srctree)/arch/x86/boot
  71 KBUILD_AFLAGS   := $(KBUILD_CFLAGS) -D__ASSEMBLY__
  72 GCOV_PROFILE := n