-include include/config/auto.conf
-include $(obj)/include/autoconf.mk
+UBOOTINCLUDE := -I$(obj)/include $(UBOOTINCLUDE)
+
KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
ifeq ($(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 ($(CONFIG_TPL_BUILD),y)
SPL_BIN := u-boot-tpl
+SPL_NAME := tpl
else
SPL_BIN := u-boot-spl
+SPL_NAME := spl
+endif
endif
+export SPL_NAME
+
ifdef CONFIG_SPL_BUILD
SPL_ := SPL_
+ifeq ($(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-$(CONFIG_SPL_NET) += net/
+libs-$(CONFIG_$(SPL_TPL_)UNIT_TEST) += test/
head-y := $(addprefix $(obj)/,$(head-y))
libs-y := $(addprefix $(obj)/,$(libs-y))
u-boot-spl-init := $(head-y)
u-boot-spl-main := $(libs-y)
ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA
-u-boot-spl-platdata := $(obj)/dts/dt-platdata.o
+platdata-hdr := include/generated/dt-structs-gen.h include/generated/dt-decl.h
+platdata-inst := $(obj)/dts/dt-uclass.o $(obj)/dts/dt-device.o
+platdata-noinst := $(obj)/dts/dt-plat.o
+
+ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA_INST
+u-boot-spl-platdata := $(platdata-inst)
+u-boot-spl-old-platdata := $(platdata-noinst)
+else
+u-boot-spl-platdata := $(platdata-noinst)
+u-boot-spl-old-platdata := $(platdata-inst)
endif
+# Files we need to generate
+u-boot-spl-platdata_c := $(patsubst %.o,%.c,$(u-boot-spl-platdata))
+
+# Files we won't generate and should remove
+u-boot-spl-old-platdata_c := $(patsubst %.o,%.c,$(u-boot-spl-old-platdata))
+endif # OF_PLATDATA
+
# Linker Script
# First test whether there's a linker-script for the specific stage defined...
ifneq ($(CONFIG_$(SPL_TPL_)LDSCRIPT),)
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),)
$(call if_changed,mkimage)
endif
-ALL-y += $(obj)/$(SPL_BIN).bin
+INPUTS-y += $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN).sym
ifdef CONFIG_SAMSUNG
-ALL-y += $(obj)/$(BOARD)-spl.bin
+INPUTS-y += $(obj)/$(BOARD)-spl.bin
endif
ifneq ($(CONFIG_TARGET_SOCFPGA_GEN5)$(CONFIG_TARGET_SOCFPGA_ARRIA10),)
-ALL-y += $(obj)/$(SPL_BIN).sfp
+INPUTS-y += $(obj)/$(SPL_BIN).sfp
endif
+INPUTS-$(CONFIG_TARGET_SOCFPGA_SOC64) += $(obj)/u-boot-spl-dtb.hex
+
ifdef CONFIG_ARCH_SUNXI
-ALL-y += $(obj)/sunxi-spl.bin
+INPUTS-y += $(obj)/sunxi-spl.bin
ifdef CONFIG_NAND_SUNXI
-ALL-y += $(obj)/sunxi-spl-with-ecc.bin
+INPUTS-y += $(obj)/sunxi-spl-with-ecc.bin
endif
endif
ifeq ($(CONFIG_SYS_SOC),"at91")
-ALL-y += $(obj)/boot.bin
+INPUTS-y += $(obj)/boot.bin
endif
+ifndef CONFIG_VPL_BUILD
ifdef CONFIG_TPL_BUILD
-ALL-$(CONFIG_TPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-tpl.bin \
+INPUTS-$(CONFIG_TPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-tpl.bin \
$(obj)/u-boot-x86-reset16-tpl.bin
else
-ALL-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-spl.bin \
+INPUTS-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-spl.bin \
$(obj)/u-boot-x86-reset16-spl.bin
endif
+endif
-ALL-$(CONFIG_ARCH_ZYNQ) += $(obj)/boot.bin
-ALL-$(CONFIG_ARCH_ZYNQMP) += $(obj)/boot.bin
+INPUTS-$(CONFIG_ARCH_ZYNQ) += $(obj)/boot.bin
+INPUTS-$(CONFIG_ARCH_ZYNQMP) += $(obj)/boot.bin
-ALL-$(CONFIG_ARCH_MEDIATEK) += $(obj)/u-boot-spl-mtk.bin
+INPUTS-$(CONFIG_ARCH_MEDIATEK) += $(obj)/u-boot-spl-mtk.bin
-all: $(ALL-y)
+all: $(INPUTS-y)
quiet_cmd_cat = CAT $@
cmd_cat = cat $(filter-out $(PHONY), $^) > $@
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
$(call if_changed,cat)
@bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
-$(obj)/$(SPL_BIN).dtb: dts/dt-spl.dtb FORCE
+$(obj)/$(SPL_BIN).dtb: $(obj)/dts/dt-$(SPL_NAME).dtb FORCE
$(call if_changed,copy)
pythonpath = PYTHONPATH=scripts/dtc/pylibfdt
-quiet_cmd_dtocc = DTOC C $@
-cmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata
+DTOC_ARGS := $(pythonpath) $(srctree)/tools/dtoc/dtoc \
+ -d $(obj)/$(SPL_BIN).dtb -p $(SPL_NAME)
+
+ifneq ($(CONFIG_$(SPL_TPL_)OF_PLATDATA_INST),)
+DTOC_ARGS += -i
+endif
-quiet_cmd_dtoch = DTOC H $@
-cmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct
+quiet_cmd_dtoc = DTOC $@
+cmd_dtoc = $(DTOC_ARGS) -c $(obj)/dts -C include/generated all
quiet_cmd_plat = PLAT $@
cmd_plat = $(CC) $(c_flags) -c $< -o $(filter-out $(PHONY),$@)
-targets += $(obj)/dts/dt-platdata.o
-$(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c \
- include/generated/dt-structs-gen.h FORCE
+$(obj)/dts/dt-%.o: $(obj)/dts/dt-%.c $(platdata-hdr)
$(call if_changed,plat)
-PHONY += dts_dir
-dts_dir:
- $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
-
-include/generated/dt-structs-gen.h: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
- $(call if_changed,dtoch)
-
-$(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
- $(call if_changed,dtocc)
+# Don't use dts_dir here, since it forces running this expensive rule every time
+$(platdata-hdr) $(u-boot-spl-platdata_c) &: $(obj)/$(SPL_BIN).dtb
+ @[ -d $(obj)/dts ] || mkdir -p $(obj)/dts
+ @# Remove old files since which ones we generate depends on the setting
+ @# of OF_PLATDATA_INST and this might change between builds. Leaving old
+ @# ones around is confusing and it is possible that switching the
+ @# setting again will use the old one instead of regenerating it.
+ @rm -f $(u-boot-spl-all-platdata_c) $(u-boot-spl-all-platdata)
+ $(call if_changed,dtoc)
ifdef CONFIG_SAMSUNG
ifdef CONFIG_VAR_SIZE_SPL
# Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
LDFLAGS_$(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)
-quiet_cmd_mksunxiboot = MKSUNXI $@
-cmd_mksunxiboot = $(objtree)/tools/mksunxiboot \
- --default-dt $(CONFIG_DEFAULT_DEVICE_TREE) $< $@
+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)/u-boot-spl-dtb.hex: $(obj)/u-boot-spl-dtb.bin FORCE
+ $(call if_changed,objcopy)
+
$(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
- $(call if_changed,mksunxiboot)
+ $(call if_changed,mkimage)
quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@
cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \
$(obj)/u-boot-spl-mtk.bin: $(obj)/u-boot-spl.bin FORCE
$(call if_changed,mkimage)
+quiet_cmd_sym ?= SYM $@
+ cmd_sym ?= $(OBJDUMP) -t $< > $@
+$(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) ;
PHONY += $(u-boot-spl-dirs)
-$(u-boot-spl-dirs): $(u-boot-spl-platdata)
+$(u-boot-spl-dirs): $(u-boot-spl-platdata) prepare
$(Q)$(MAKE) $(build)=$@
+PHONY += prepare
+prepare:
+ $(Q)$(MAKE) $(build)=$(obj)/.
+
quiet_cmd_cpp_lds = LDS $@
cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
-D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $<
PHONY += FORCE
FORCE:
-PHONY += dtbs
-dtbs:
- $(Q)$(MAKE) $(build)=dts dtbs
+$(obj)/dts/dt-$(SPL_NAME).dtb: dts/dt.dtb
+ $(Q)$(MAKE) $(build)=$(obj)/dts spl_dtbs
+
+PHONY += dts_dir
+dts_dir:
+ $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
# Declare the contents of the .PHONY variable as phony. We keep that
# information in a variable so we can use it in if_changed and friends.
.PHONY: $(PHONY)
-SHRUNK_ARCH_DTB = $(patsubst %,$(obj)/dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST)))
+SPL_OF_LIST_TARGETS = $(patsubst %,dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST)))
+SHRUNK_ARCH_DTB = $(addprefix $(obj)/,$(SPL_OF_LIST_TARGETS))
.SECONDEXPANSION:
-$(SHRUNK_ARCH_DTB): $$(patsubst $(obj)/dts/%, arch/$(ARCH)/dts/%, $$@)
+$(SHRUNK_ARCH_DTB): $$(patsubst $(obj)/dts/%, arch/$(ARCH)/dts/%, $$@) dts_dir
$(call if_changed,fdtgrep)
+targets += $(SPL_OF_LIST_TARGETS)
+
MKIMAGEFLAGS_$(SPL_BIN).multidtb.fit = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
-n "Multi DTB fit image for $(SPL_BIN)" -E \
$(patsubst %,-b %,$(SHRUNK_ARCH_DTB))
projects / platform / kernel / u-boot.git / blobdiff