KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
ifeq ($(CONFIG_TPL_BUILD),y)
KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
+else
+ifeq ($(CONFIG_VPL_BUILD),y)
+KBUILD_CPPFLAGS += -DCONFIG_VPL_BUILD
+endif
endif
+ifeq ($(CONFIG_VPL_BUILD),y)
+SPL_BIN := u-boot-vpl
+SPL_NAME := vpl
+else
ifeq ($(CONFIG_TPL_BUILD),y)
SPL_BIN := u-boot-tpl
SPL_NAME := tpl
SPL_BIN := u-boot-spl
SPL_NAME := spl
endif
+endif
export SPL_NAME
ifdef CONFIG_SPL_BUILD
SPL_ := SPL_
+ifeq ($(CONFIG_VPL_BUILD),y)
+SPL_TPL_ := VPL_
+else
ifeq ($(CONFIG_TPL_BUILD),y)
SPL_TPL_ := TPL_
else
SPL_TPL_ := SPL_
endif
+endif
else
SPL_ :=
SPL_TPL_ :=
ifeq ($(obj)$(CONFIG_SUPPORT_TPL),tpl)
$(error You cannot build TPL without enabling CONFIG_SUPPORT_TPL)
endif
+ifeq ($(obj)$(CONFIG_SUPPORT_VPL),vpl)
+$(error You cannot build VPL without enabling CONFIG_SUPPORT_VPL)
+endif
include $(srctree)/config.mk
include $(srctree)/arch/$(ARCH)/Makefile
KBUILD_CFLAGS += -ffunction-sections -fdata-sections
LDFLAGS_FINAL += --gc-sections
+ifeq ($(CONFIG_$(SPL_TPL_)STACKPROTECTOR),y)
+KBUILD_CFLAGS += -fstack-protector-strong
+else
+KBUILD_CFLAGS += -fno-stack-protector
+endif
+
# FIX ME
cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
$(NOSTDINC_FLAGS)
endif
libs-y += common/init/
-# Special handling for a few options which support SPL/TPL
-ifeq ($(CONFIG_TPL_BUILD),y)
-libs-$(CONFIG_TPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
-libs-$(CONFIG_TPL_LIBGENERIC_SUPPORT) += lib/
-else
-libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
-libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
+# Special handling for a few options which support SPL/TPL/VPL
+libs-$(CONFIG_$(SPL_TPL_)LIBCOMMON_SUPPORT) += boot/ common/ cmd/ env/
+libs-$(CONFIG_$(SPL_TPL_)LIBGENERIC_SUPPORT) += lib/
ifdef CONFIG_SPL_FRAMEWORK
libs-$(CONFIG_PARTITIONS) += disk/
endif
-endif
libs-y += drivers/
libs-$(CONFIG_SPL_USB_GADGET) += drivers/usb/dwc3/
libs-y += dts/
libs-y += fs/
libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
-libs-$(CONFIG_SPL_NET_SUPPORT) += net/
-libs-$(CONFIG_SPL_UNIT_TEST) += test/
+libs-$(CONFIG_SPL_NET) += net/
+libs-$(CONFIG_$(SPL_TPL_)UNIT_TEST) += test/
head-y := $(addprefix $(obj)/,$(head-y))
libs-y := $(addprefix $(obj)/,$(libs-y))
sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
# Turn various CONFIG symbols into IMAGE symbols for easy reuse of
-# the scripts between SPL and TPL.
-ifneq ($(CONFIG_$(SPL_TPL_)MAX_SIZE),)
+# the scripts between SPL, TPL and VPL.
+ifneq ($(CONFIG_$(SPL_TPL_)MAX_SIZE),0x0)
LDPPFLAGS += -DIMAGE_MAX_SIZE=$(CONFIG_$(SPL_TPL_)MAX_SIZE)
endif
ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
INPUTS-y += $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN).sym
-ifdef CONFIG_SAMSUNG
+ifneq ($(CONFIG_ARCH_EXYNOS)$(CONFIG_ARCH_S5PC1XX),)
INPUTS-y += $(obj)/$(BOARD)-spl.bin
endif
INPUTS-y += $(obj)/boot.bin
endif
+ifndef CONFIG_VPL_BUILD
ifdef CONFIG_TPL_BUILD
INPUTS-$(CONFIG_TPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-tpl.bin \
$(obj)/u-boot-x86-reset16-tpl.bin
INPUTS-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-spl.bin \
$(obj)/u-boot-x86-reset16-spl.bin
endif
+endif
INPUTS-$(CONFIG_ARCH_ZYNQ) += $(obj)/boot.bin
INPUTS-$(CONFIG_ARCH_ZYNQMP) += $(obj)/boot.bin
FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit
endif
-# Build the .dtb file if:
-# - we are not using OF_PLATDATA
-# - we are using OF_CONTROL
+# Build the .dtb file if needed
+# - OF_REAL is enabled
# - we have either OF_SEPARATE or OF_HOSTFILE
build_dtb :=
-ifeq ($(CONFIG_$(SPL_TPL_)OF_PLATDATA),)
-ifneq ($(CONFIG_$(SPL_TPL_)OF_CONTROL),)
-ifeq ($(CONFIG_OF_SEPARATE)$(CONFIG_OF_HOSTFILE),y)
+ifneq ($(CONFIG_$(SPL_TPL_)OF_REAL),)
+ifeq ($(CONFIG_OF_SEPARATE)$(CONFIG_SANDBOX),y)
build_dtb := y
endif
endif
-endif
ifneq ($(build_dtb),)
$(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
- $(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
+ $(if $(CONFIG_$(SPL_TPL_)SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
$(FINAL_DTB_CONTAINER) FORCE
$(call if_changed,cat)
@rm -f $(u-boot-spl-all-platdata_c) $(u-boot-spl-all-platdata)
$(call if_changed,dtoc)
-ifdef CONFIG_SAMSUNG
-ifdef CONFIG_VAR_SIZE_SPL
+ifneq ($(CONFIG_ARCH_EXYNOS)$(CONFIG_ARCH_S5PC1XX),)
+ifeq ($(CONFIG_EXYNOS5420),y)
VAR_SIZE_PARAM = --vs
else
VAR_SIZE_PARAM =
# Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker)
-# Pick the best-match (i.e. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL)
+LDFLAGS_$(SPL_BIN) += --build-id=none
+
+# Pick the best match (e.g. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL)
ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_$(SPL_TPL_)TEXT_BASE)
endif
$(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
$(call if_changed,mkimage)
-MKIMAGEFLAGS_sunxi-spl.bin = -T sunxi_egon \
+MKIMAGEFLAGS_sunxi-spl.bin = \
+ -A $(ARCH) \
+ -T $(CONFIG_SPL_IMAGE_TYPE) \
+ -a $(CONFIG_SPL_TEXT_BASE) \
-n $(CONFIG_DEFAULT_DEVICE_TREE)
OBJCOPYFLAGS_u-boot-spl-dtb.hex := -I binary -O ihex --change-address=$(CONFIG_SPL_TEXT_BASE)
$(obj)/$(SPL_BIN).sym: $(obj)/$(SPL_BIN) FORCE
$(call if_changed,sym)
+# Generate linker list symbols references to force compiler to not optimize
+# them away when compiling with LTO
+ifdef CONFIG_LTO
+u-boot-spl-keep-syms-lto := $(obj)/keep-syms-lto.o
+u-boot-spl-keep-syms-lto_c := \
+ $(patsubst $(obj)/%.o,$(obj)/%.c,$(u-boot-spl-keep-syms-lto))
+
+quiet_cmd_keep_syms_lto = KSL $@
+ cmd_keep_syms_lto = \
+ $(srctree)/scripts/gen_ll_addressable_symbols.sh $(NM) $^ > $@
+
+quiet_cmd_keep_syms_lto_cc = KSLCC $@
+ cmd_keep_syms_lto_cc = \
+ $(CC) $(filter-out $(LTO_CFLAGS),$(c_flags)) -c -o $@ $<
+
+$(u-boot-spl-keep-syms-lto_c): $(u-boot-spl-main) $(u-boot-spl-platdata)
+ $(call if_changed,keep_syms_lto)
+$(u-boot-spl-keep-syms-lto): $(u-boot-spl-keep-syms-lto_c)
+ $(call if_changed,keep_syms_lto_cc)
+else
+u-boot-spl-keep-syms-lto :=
+endif
+
# Rule to link u-boot-spl
# May be overridden by arch/$(ARCH)/config.mk
+ifdef CONFIG_LTO
+quiet_cmd_u-boot-spl ?= LTO $@
+ cmd_u-boot-spl ?= \
+ ( \
+ cd $(obj) && \
+ $(CC) -nostdlib -nostartfiles $(LTO_FINAL_LDFLAGS) $(c_flags) \
+ $(KBUILD_LDFLAGS:%=-Wl,%) $(LDFLAGS_$(@F):%=-Wl,%) \
+ $(patsubst $(obj)/%,%,$(u-boot-spl-init)) \
+ -Wl,--whole-archive \
+ $(patsubst $(obj)/%,%,$(u-boot-spl-main)) \
+ $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
+ $(patsubst $(obj)/%,%,$(u-boot-spl-keep-syms-lto)) \
+ $(PLATFORM_LIBS) \
+ -Wl,--no-whole-archive \
+ -Wl,-Map,$(SPL_BIN).map -o $(SPL_BIN) \
+ )
+else
quiet_cmd_u-boot-spl ?= LD $@
- cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_$(@F)) \
- $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
- $(patsubst $(obj)/%,%,$(u-boot-spl-main)) \
- $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
- --end-group \
- $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
+ cmd_u-boot-spl ?= \
+ ( \
+ cd $(obj) && \
+ $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_$(@F)) \
+ $(patsubst $(obj)/%,%,$(u-boot-spl-init)) \
+ --whole-archive \
+ $(patsubst $(obj)/%,%,$(u-boot-spl-main)) \
+ $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
+ --no-whole-archive \
+ $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN) \
+ )
+endif
$(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
- $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
+ $(u-boot-spl-main) $(u-boot-spl-keep-syms-lto) \
+ $(obj)/u-boot-spl.lds FORCE
$(call if_changed,u-boot-spl)
$(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
projects / platform / kernel / u-boot.git / blobdiff