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KBUILD_DEFCONFIG := efi_defconfig
KBUILD_CPPFLAGS += -D__X86__
TEXT_BASE = $(CONFIG_TEXT_BASE)
machine-y := efi
KBUILD_CFLAGS += -fpic -fshort-wchar -mno-sse -mno-mmx
ifeq ($(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 += $(biarch)
else
UTS_MACHINE := x86_64
KBUILD_AFLAGS += -m64
KBUILD_CFLAGS += -m64 -mno-red-zone
KBUILD_CPPFLAGS += -m64
endif
ifndef CONFIG_MODULES
# Add cleanup flags
ifneq ($(CONFIG_X86_EFI),y)
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
cmd_barebox__ ?= $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_barebox) -o $@ \
-T $(lds-y) \
-shared -Bsymbolic -nostdlib -znocombreloc \
--whole-archive $(BAREBOX_OBJS) \
--no-whole-archive \
$(filter-out $(BAREBOX_LDS) $(BAREBOX_OBJS) FORCE ,$^)
quiet_cmd_efi_image = EFI-IMG $@
cmd_efi_image = $(OBJCOPY) -j .text -j .sdata -j .data -j .dynamic \
-j .dynsym -j .rel -j .rela -j .reloc -j __barebox_initcalls \
-j __barebox_exitcalls -j __barebox_cmd -j .barebox_magicvar \
-j .bbenv.* -j .bblogo.* --target=$(TARGET) $< $@
KBUILD_BINARY := barebox
KBUILD_LDFLAGS := --no-undefined
barebox.efi: $(KBUILD_BINARY) FORCE
$(call if_changed,efi_image)
KBUILD_IMAGE := barebox.efi
KBUILD_LDFLAGS += -m elf_$(UTS_MACHINE)
CLEAN_FILES += $(lds-y)
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