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KBUILD_DEFCONFIG := efi_defconfig
KBUILD_CPPFLAGS += -D__X86__
TEXT_BASE = $(CONFIG_TEXT_BASE)
machine-y := efi
KBUILD_CFLAGS += -fpic -mno-sse -mno-mmx
ifeq ($(CONFIG_X86_32),y)
TARGET = efi-app-ia32
else
TARGET = efi-app-x86_64
endif
ifeq ($(CONFIG_X86_32),y)
UTS_MACHINE := i386
biarch := $(call cc-option,-m32)
KBUILD_AFLAGS += $(biarch)
KBUILD_CFLAGS += $(biarch)
KBUILD_CPPFLAGS += $(biarch)
else
UTS_MACHINE := x86_64
KBUILD_AFLAGS += -m64
KBUILD_CFLAGS += -m64 -mno-red-zone
KBUILD_CPPFLAGS += -m64
endif
ifndef CONFIG_MODULES
# Add cleanup flags
ifeq ($(CONFIG_X86_EFI),y)
LDFLAGS_barebox += -shared -Bsymbolic -znocombreloc
else
KBUILD_CPPFLAGS += -fdata-sections -ffunction-sections
LDFLAGS_barebox += -static --gc-sections
endif
endif
machdirs := $(patsubst %,arch/x86/mach-%/,$(machine-y))
KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
ifneq ($(machine-y),)
MACH := arch/x86/mach-$(machine-y)/
else
MACH :=
endif
common-y += $(MACH)
common-y += arch/x86/lib/
# arch/x86/cpu/
lds-$(CONFIG_X86_32) := arch/x86/mach-efi/elf_ia32_efi.lds
lds-$(CONFIG_X86_64) := arch/x86/mach-efi/elf_x86_64_efi.lds
KBUILD_BINARY := barebox
KBUILD_LDFLAGS := --no-undefined
OBJCOPYFLAGS_barebox.efi = \
-j .text -j .sdata -j .data -j .dynamic -j .dynsym -j .rel -j .rela \
-j .reloc -j .bbenv.* -j .bblogo.* --target=$(TARGET)
barebox.efi: $(KBUILD_BINARY) FORCE
$(call if_changed,objcopy)
KBUILD_IMAGE := barebox.efi
KBUILD_LDFLAGS += -m elf_$(UTS_MACHINE)
CLEAN_FILES += $(lds-y)
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