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barebox/arch/x86/Makefile

112 lines
2.4 KiB
Makefile

KBUILD_DEFCONFIG := generic_defconfig
CPPFLAGS += -D__X86__
board-$(CONFIG_MACH_X86_GENERIC) := x86_generic
TEXT_BASE = $(CONFIG_TEXT_BASE)
ifeq ($(CONFIG_X86_EFI),y)
machine-y := efi
CFLAGS += -fpic -fshort-wchar -mno-sse -mno-mmx
ifeq ($(CONFIG_X86_32),y)
TARGET = efi-app-ia32
else
TARGET = efi-app-x86_64
endif
else
CPPFLAGS += -fno-strict-aliasing
CPPFLAGS += -march=i386 -DTEXT_BASE=$(TEXT_BASE) \
-fno-unwind-tables -fno-asynchronous-unwind-tables
machine-y := i386
endif
ifeq ($(CONFIG_X86_32),y)
UTS_MACHINE := i386
biarch := $(call cc-option,-m32)
AFLAGS += $(biarch)
CFLAGS += $(biarch)
CPPFLAGS += $(biarch)
else
UTS_MACHINE := x86_64
AFLAGS += -m64
CFLAGS += -m64 -mno-red-zone
CPPFLAGS += -m64
endif
ifndef CONFIG_MODULES
# Add cleanup flags
ifneq ($(CONFIG_X86_EFI),y)
CPPFLAGS += -fdata-sections -ffunction-sections
LDFLAGS_barebox += -static --gc-sections
endif
endif
machdirs := $(patsubst %,arch/x86/mach-%/,$(machine-y))
ifeq ($(KBUILD_SRC),)
CPPFLAGS += $(patsubst %,-I%include,$(machdirs))
else
CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
endif
ifneq ($(board-y),)
BOARD := arch/x86/boards/$(board-y)/
else
BOARD :=
endif
ifneq ($(machine-y),)
MACH := arch/x86/mach-$(machine-y)/
else
MACH :=
endif
common-y += $(BOARD) $(MACH)
common-y += arch/x86/lib/
common-$(CONFIG_X86_BIOS_BRINGUP) += arch/x86/bios/
# arch/x86/cpu/
ifeq ($(CONFIG_X86_EFI),y)
lds-$(CONFIG_X86_32) := arch/x86/mach-efi/elf_ia32_efi.lds
lds-$(CONFIG_X86_64) := arch/x86/mach-efi/elf_x86_64_efi.lds
cmd_barebox__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_barebox) -o $@ \
-T $(lds-y) \
-shared -Bsymbolic -nostdlib -znocombreloc \
--start-group $(barebox-common) \
--end-group \
$(filter-out $(barebox-lds) $(barebox-common) FORCE ,$^)
quiet_cmd_efi_image = EFI-IMG $@
cmd_efi_image = $(OBJCOPY) -j .text -j .sdata -j .data -j .dynamic \
-j .dynsym -j .rel -j .rela -j .reloc -j __barebox_initcalls \
-j __barebox_cmd -j .barebox_magicvar -j .bbenv.* \
--target=$(TARGET) $< $@
KBUILD_BINARY := barebox
LDFLAGS := --no-undefined
barebox.efi: $(KBUILD_BINARY) FORCE
$(call if_changed,efi_image)
KBUILD_IMAGE := barebox.efi
else
common-y += arch/x86/boot/
lds-$(CONFIG_GENERIC_LINKER_SCRIPT) := arch/x86/lib/barebox.lds
lds-$(CONFIG_BOARD_LINKER_SCRIPT) := $(BOARD)/barebox.lds
endif
LDFLAGS += -m elf_$(UTS_MACHINE)
CLEAN_FILES += $(lds-y)
CLEAN_FILES += arch/x86/lib/barebox.lds barebox.map barebox.S