forked from Minki/linux
c5403aed04
Real-mode binary was built twice. This patch fixes the issue by making realmode.relocs as target for realmode.bin. [ hpa: removed the direct dependency on realmode.relocs in arch/x86/realmode/Makefile ] Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@intel.com> Link: http://lkml.kernel.org/r/1336595106-21135-1-git-send-email-jarkko.sakkinen@intel.com Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
77 lines
2.5 KiB
Makefile
77 lines
2.5 KiB
Makefile
#
|
|
# arch/x86/realmode/Makefile
|
|
#
|
|
# This file is subject to the terms and conditions of the GNU General Public
|
|
# License. See the file "COPYING" in the main directory of this archive
|
|
# for more details.
|
|
#
|
|
#
|
|
|
|
always := realmode.bin
|
|
|
|
realmode-y += header.o
|
|
realmode-y += trampoline_$(BITS).o
|
|
realmode-y += stack.o
|
|
realmode-$(CONFIG_X86_32) += reboot_32.o
|
|
realmode-$(CONFIG_ACPI_SLEEP) += $(wakeup-objs)
|
|
|
|
wakeup-objs := wakeup_asm.o wakemain.o video-mode.o
|
|
wakeup-objs += copy.o bioscall.o regs.o
|
|
# The link order of the video-*.o modules can matter. In particular,
|
|
# video-vga.o *must* be listed first, followed by video-vesa.o.
|
|
# Hardware-specific drivers should follow in the order they should be
|
|
# probed, and video-bios.o should typically be last.
|
|
wakeup-objs += video-vga.o
|
|
wakeup-objs += video-vesa.o
|
|
wakeup-objs += video-bios.o
|
|
|
|
targets += $(realmode-y)
|
|
|
|
REALMODE_OBJS = $(addprefix $(obj)/,$(realmode-y))
|
|
|
|
sed-pasyms := -n -r -e 's/^([0-9a-fA-F]+) [ABCDGRSTVW] (.+)$$/pa_\2 = \2;/p'
|
|
|
|
quiet_cmd_pasyms = PASYMS $@
|
|
cmd_pasyms = $(NM) $(filter-out FORCE,$^) | \
|
|
sed $(sed-pasyms) | sort | uniq > $@
|
|
|
|
$(obj)/pasyms.h: $(REALMODE_OBJS) FORCE
|
|
$(call if_changed,pasyms)
|
|
|
|
$(obj)/realmode.lds: $(obj)/pasyms.h
|
|
|
|
LDFLAGS_realmode.elf := --emit-relocs -T
|
|
CPPFLAGS_realmode.lds += -P -C -I$(obj)
|
|
|
|
$(obj)/realmode.elf: $(obj)/realmode.lds $(REALMODE_OBJS) FORCE
|
|
$(call if_changed,ld)
|
|
|
|
OBJCOPYFLAGS_realmode.bin := -O binary
|
|
|
|
$(obj)/realmode.bin: $(obj)/realmode.elf $(obj)/realmode.relocs
|
|
$(call if_changed,objcopy)
|
|
|
|
quiet_cmd_relocs = RELOCS $@
|
|
cmd_relocs = arch/x86/tools/relocs --realmode $< > $@
|
|
$(obj)/realmode.relocs: $(obj)/realmode.elf FORCE
|
|
$(call if_changed,relocs)
|
|
|
|
# ---------------------------------------------------------------------------
|
|
|
|
# How to compile the 16-bit code. Note we always compile for -march=i386,
|
|
# that way we can complain to the user if the CPU is insufficient.
|
|
KBUILD_CFLAGS := $(LINUXINCLUDE) -m32 -g -Os -D_SETUP -D__KERNEL__ -D_WAKEUP \
|
|
-I$(srctree)/arch/x86/boot \
|
|
-DDISABLE_BRANCH_PROFILING \
|
|
-Wall -Wstrict-prototypes \
|
|
-march=i386 -mregparm=3 \
|
|
-include $(srctree)/$(src)/../../boot/code16gcc.h \
|
|
-fno-strict-aliasing -fomit-frame-pointer \
|
|
$(call cc-option, -ffreestanding) \
|
|
$(call cc-option, -fno-toplevel-reorder,\
|
|
$(call cc-option, -fno-unit-at-a-time)) \
|
|
$(call cc-option, -fno-stack-protector) \
|
|
$(call cc-option, -mpreferred-stack-boundary=2)
|
|
KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
|
|
GCOV_PROFILE := n
|