X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=scripts%2FMakefile.spl;h=1cfb8115e3100825da35b150dbf089829579376a;hb=24ec3dea4bf07e8928e82d509ce5bc742fdbde9b;hp=ca988224dad8c0df5384e13e805216269b117b24;hpb=3f2e3c7845df11ca8359a6cc804bfd6eb5ce215b;p=platform%2Fkernel%2Fu-boot.git

diff --git a/scripts/Makefile.spl b/scripts/Makefile.spl
index ca98822..1cfb811 100644
--- a/scripts/Makefile.spl
+++ b/scripts/Makefile.spl
@@ -27,8 +27,16 @@ 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
@@ -36,16 +44,21 @@ 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_ :=
@@ -57,6 +70,9 @@ endif
 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
@@ -67,6 +83,12 @@ include $(srctree)/scripts/Makefile.lib
 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) \
 							$(NOSTDINC_FLAGS)
@@ -84,17 +106,12 @@ libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
 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-$(CONFIG_SPL_USB_GADGET) += drivers/usb/dwc3/
@@ -102,8 +119,8 @@ libs-$(CONFIG_SPL_USB_GADGET) += drivers/usb/cdns3/
 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))
@@ -176,8 +193,8 @@ LDPPFLAGS += \
 	  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),)
@@ -236,7 +253,7 @@ endif
 
 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
 
@@ -258,6 +275,7 @@ ifeq ($(CONFIG_SYS_SOC),"at91")
 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 \
 	$(obj)/u-boot-x86-reset16-tpl.bin
@@ -265,6 +283,7 @@ else
 INPUTS-$(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
@@ -289,22 +308,19 @@ else
 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)
 
@@ -351,8 +367,8 @@ $(platdata-hdr) $(u-boot-spl-platdata_c) &: $(obj)/$(SPL_BIN).dtb
 	@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 ($(CONFIG_EXYNOS5420),y)
 VAR_SIZE_PARAM = --vs
 else
 VAR_SIZE_PARAM =
@@ -393,7 +409,9 @@ LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
 LDFLAGS_$(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
@@ -406,7 +424,10 @@ 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)
@@ -442,18 +463,65 @@ quiet_cmd_sym ?= SYM     $@
 $(obj)/$(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) ;