OSCL-LXR

0001 #
0002 # arch/x86/realmode/Makefile
0003 #
0004 # This file is subject to the terms and conditions of the GNU General Public
0005 # License.  See the file "COPYING" in the main directory of this archive
0006 # for more details.
0007 #
0008 #
0009
0010 # Sanitizer runtimes are unavailable and cannot be linked here.
0011 KASAN_SANITIZE                  := n
0012 KCSAN_SANITIZE                  := n
0013 OBJECT_FILES_NON_STANDARD       := y
0014
0015 # Prevents link failures: __sanitizer_cov_trace_pc() is not linked in.
0016 KCOV_INSTRUMENT         := n
0017
0018 always-y := realmode.bin realmode.relocs
0019
0020 wakeup-objs     := wakeup_asm.o wakemain.o video-mode.o
0021 wakeup-objs     += copy.o bioscall.o regs.o
0022 # The link order of the video-*.o modules can matter.  In particular,
0023 # video-vga.o *must* be listed first, followed by video-vesa.o.
0024 # Hardware-specific drivers should follow in the order they should be
0025 # probed, and video-bios.o should typically be last.
0026 wakeup-objs     += video-vga.o
0027 wakeup-objs     += video-vesa.o
0028 wakeup-objs     += video-bios.o
0029
0030 realmode-y                      += header.o
0031 realmode-y                      += trampoline_$(BITS).o
0032 realmode-y                      += stack.o
0033 realmode-y                      += reboot.o
0034 realmode-$(CONFIG_ACPI_SLEEP)   += $(wakeup-objs)
0035
0036 targets += $(realmode-y)
0037
0038 REALMODE_OBJS = $(addprefix $(obj)/,$(realmode-y))
0039
0040 sed-pasyms := -n -r -e 's/^([0-9a-fA-F]+) [ABCDGRSTVW] (.+)$$/pa_\2 = \2;/p'
0041
0042 quiet_cmd_pasyms = PASYMS  $@
0043       cmd_pasyms = $(NM) $(real-prereqs) | sed $(sed-pasyms) | sort | uniq > $@
0044
0045 targets += pasyms.h
0046 $(obj)/pasyms.h: $(REALMODE_OBJS) FORCE
0047         $(call if_changed,pasyms)
0048
0049 targets += realmode.lds
0050 $(obj)/realmode.lds: $(obj)/pasyms.h
0051
0052 LDFLAGS_realmode.elf := -m elf_i386 --emit-relocs -T
0053 CPPFLAGS_realmode.lds += -P -C -I$(objtree)/$(obj)
0054
0055 targets += realmode.elf
0056 $(obj)/realmode.elf: $(obj)/realmode.lds $(REALMODE_OBJS) FORCE
0057         $(call if_changed,ld)
0058
0059 OBJCOPYFLAGS_realmode.bin := -O binary
0060
0061 targets += realmode.bin
0062 $(obj)/realmode.bin: $(obj)/realmode.elf $(obj)/realmode.relocs FORCE
0063         $(call if_changed,objcopy)
0064
0065 quiet_cmd_relocs = RELOCS  $@
0066       cmd_relocs = arch/x86/tools/relocs --realmode $< > $@
0067
0068 targets += realmode.relocs
0069 $(obj)/realmode.relocs: $(obj)/realmode.elf FORCE
0070         $(call if_changed,relocs)
0071
0072 # ---------------------------------------------------------------------------
0073
0074 KBUILD_CFLAGS   := $(REALMODE_CFLAGS) -D_SETUP -D_WAKEUP \
0075                    -I$(srctree)/arch/x86/boot
0076 KBUILD_AFLAGS   := $(KBUILD_CFLAGS) -D__ASSEMBLY__
0077 KBUILD_CFLAGS   += -fno-asynchronous-unwind-tables
0078 GCOV_PROFILE := n
0079 UBSAN_SANITIZE := n