X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=Makefile;h=2ab9c531923cae71533530314fa2b74ece51f752;hb=ba621fe3a97e2b576eec3a27a06aa28af123badc;hp=7d73062df379ccaa64ceb99d0bd86e31bf030525;hpb=a7d3ac614821d16d42d99c05c7ed6eb33d2551e0;p=platform%2Fkernel%2Fu-boot.git

diff --git a/Makefile b/Makefile
index 7d73062..2ab9c53 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,9 @@
 # SPDX-License-Identifier: GPL-2.0+
 
 VERSION = 2021
-PATCHLEVEL = 04
+PATCHLEVEL = 07
 SUBLEVEL =
-EXTRAVERSION = -rc4
+EXTRAVERSION =
 NAME =
 
 # *DOCUMENTATION*
@@ -17,9 +17,13 @@ NAME =
 # o Look for make include files relative to root of kernel src
 MAKEFLAGS += -rR --include-dir=$(CURDIR)
 
-# Determine host architecture
+# Determine target architecture for the sandbox
 include include/host_arch.h
-MK_ARCH="${shell uname -m}"
+ifeq ("", "$(CROSS_COMPILE)")
+  MK_ARCH="${shell uname -m}"
+else
+  MK_ARCH="${shell echo $(CROSS_COMPILE) | sed -n 's/^\s*\([^\/]*\/\)*\([^-]*\)-\S*/\2/p'}"
+endif
 unexport HOST_ARCH
 ifeq ("x86_64", $(MK_ARCH))
   export HOST_ARCH=$(HOST_ARCH_X86_64)
@@ -27,7 +31,7 @@ else ifneq (,$(findstring $(MK_ARCH), "i386" "i486" "i586" "i686"))
   export HOST_ARCH=$(HOST_ARCH_X86)
 else ifneq (,$(findstring $(MK_ARCH), "aarch64" "armv8l"))
   export HOST_ARCH=$(HOST_ARCH_AARCH64)
-else ifeq ("armv7l", $(MK_ARCH))
+else ifneq (,$(findstring $(MK_ARCH), "arm" "armv7" "armv7l"))
   export HOST_ARCH=$(HOST_ARCH_ARM)
 else ifeq ("riscv32", $(MK_ARCH))
   export HOST_ARCH=$(HOST_ARCH_RISCV32)
@@ -404,7 +408,7 @@ AWK		= awk
 PERL		= perl
 PYTHON		?= python
 PYTHON2		= python2
-PYTHON3		= python3
+PYTHON3		?= python3
 DTC		?= $(objtree)/scripts/dtc/dtc
 CHECK		= sparse
 
@@ -672,7 +676,37 @@ else
 KBUILD_CFLAGS	+= -O2
 endif
 
+LTO_CFLAGS :=
+LTO_FINAL_LDFLAGS :=
+export LTO_CFLAGS LTO_FINAL_LDFLAGS
+ifdef CONFIG_LTO
+	ifeq ($(cc-name),clang)
+		LTO_CFLAGS		+= -flto
+		LTO_FINAL_LDFLAGS	+= -flto
+
+		AR			= $(shell $(CC) -print-prog-name=llvm-ar)
+		NM			= $(shell $(CC) -print-prog-name=llvm-nm)
+	else
+		NPROC			:= $(shell nproc 2>/dev/null || echo 1)
+		LTO_CFLAGS		+= -flto=$(NPROC)
+		LTO_FINAL_LDFLAGS	+= -fuse-linker-plugin -flto=$(NPROC)
+
+		# use plugin aware tools
+		AR			= $(CROSS_COMPILE)gcc-ar
+		NM			= $(CROSS_COMPILE)gcc-nm
+	endif
+
+	CFLAGS_NON_EFI			+= $(LTO_CFLAGS)
+
+	KBUILD_CFLAGS			+= $(LTO_CFLAGS)
+endif
+
+ifeq ($(CONFIG_STACKPROTECTOR),y)
+KBUILD_CFLAGS += $(call cc-option,-fstack-protector-strong)
+CFLAGS_EFI += $(call cc-option,-fno-stack-protector)
+else
 KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)
+endif
 KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks)
 
 # disable stringop warnings in gcc 8+
@@ -909,6 +943,7 @@ endif
 endif
 INPUTS-$(CONFIG_TPL) += tpl/u-boot-tpl.bin
 INPUTS-$(CONFIG_OF_SEPARATE) += u-boot.dtb
+INPUTS-$(CONFIG_BINMAN_STANDALONE_FDT) += u-boot.dtb
 ifeq ($(CONFIG_SPL_FRAMEWORK),y)
 INPUTS-$(CONFIG_OF_SEPARATE) += u-boot-dtb.img
 endif
@@ -962,6 +997,8 @@ LDFLAGS_u-boot += $(LDFLAGS_FINAL)
 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
 LDFLAGS_u-boot += $(call ld-option, --no-dynamic-linker)
 
+LDFLAGS_u-boot += --build-id=none
+
 ifeq ($(CONFIG_ARC)$(CONFIG_NIOS2)$(CONFIG_X86)$(CONFIG_XTENSA),)
 LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE)
 endif
@@ -1027,7 +1064,7 @@ expect = $(foreach cfg,$(1),y)
 # Note: Script avoids bash construct, hence the strange double 'if'
 # (patches welcome!)
 define deprecated
-	if [ -n "$(strip $(4))" ]; then if [ "$(got)" != "$(expect)" ]; then \
+	@if [ -n "$(strip $(4))" ]; then if [ "$(got)" != "$(expect)" ]; then \
 		echo >&2 "===================== WARNING ======================"; \
 		echo >&2 "This board does not use $(firstword $(1)) (Driver Model"; \
 		echo >&2 "for $(2)). Please update the board to use"; \
@@ -1077,12 +1114,8 @@ ifneq ($(CONFIG_DM),y)
 	@echo >&2 "See doc/driver-model/migration.rst for more info."
 	@echo >&2 "===================================================="
 endif
-	$(call deprecated,CONFIG_DM_MMC CONFIG_BLK,MMC,v2019.04,$(CONFIG_MMC))
 	$(call deprecated,CONFIG_DM_USB CONFIG_OF_CONTROL CONFIG_BLK,\
 		USB,v2019.07,$(CONFIG_USB))
-	$(call deprecated,CONFIG_AHCI,AHCI instead of CONFIG_MVSATA_IDE,v2019.07, \
-		$(CONFIG_MVSATA_IDE))
-	$(call deprecated,CONFIG_AHCI,AHCI,v2019.07, $(CONFIG_LIBATA))
 	$(call deprecated,CONFIG_DM_PCI,PCI,v2019.07,$(CONFIG_PCI))
 	$(call deprecated,CONFIG_DM_VIDEO,video,v2019.07,\
 		$(CONFIG_LCD)$(CONFIG_VIDEO))
@@ -1265,7 +1298,13 @@ u-boot.ldr:	u-boot
 # binman
 # ---------------------------------------------------------------------------
 # Use 'make BINMAN_DEBUG=1' to enable debugging
+# Use 'make BINMAN_VERBOSE=3' to set vebosity level
 default_dt := $(if $(DEVICE_TREE),$(DEVICE_TREE),$(CONFIG_DEFAULT_DEVICE_TREE))
+
+# Tell binman whether we have a devicetree for SPL and TPL
+have_spl_dt := $(if $(CONFIG_SPL_OF_PLATDATA),,$(CONFIG_SPL_OF_CONTROL))
+have_tpl_dt := $(if $(CONFIG_TPL_OF_PLATDATA),,$(CONFIG_TPL_OF_CONTROL))
+
 quiet_cmd_binman = BINMAN  $@
 cmd_binman = $(srctree)/tools/binman/binman $(if $(BINMAN_DEBUG),-D) \
                 --toolpath $(objtree)/tools \
@@ -1274,8 +1313,12 @@ cmd_binman = $(srctree)/tools/binman/binman $(if $(BINMAN_DEBUG),-D) \
 		-I . -I $(srctree) -I $(srctree)/board/$(BOARDDIR) \
 		-I arch/$(ARCH)/dts -a of-list=$(CONFIG_OF_LIST) \
 		-a atf-bl31-path=${BL31} \
+		-a opensbi-path=${OPENSBI} \
 		-a default-dt=$(default_dt) \
 		-a scp-path=$(SCP) \
+		-a spl-bss-pad=$(if $(CONFIG_SPL_SEPARATE_BSS),,1) \
+		-a tpl-bss-pad=$(if $(CONFIG_TPL_SEPARATE_BSS),,1) \
+		-a spl-dtb=$(have_spl_dt) -a tpl-dtb=$(have_tpl_dt) \
 		$(BINMAN_$(@F))
 
 OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex
@@ -1375,7 +1418,7 @@ u-boot-lzma.img: u-boot.bin.lzma FORCE
 
 u-boot-dtb.img u-boot.img u-boot.kwb u-boot.pbl u-boot-ivt.img: \
 		$(if $(CONFIG_SPL_LOAD_FIT),u-boot-nodtb.bin \
-			$(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_OF_HOSTFILE),dts/dt.dtb) \
+			$(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_OF_HOSTFILE)$(CONFIG_BINMAN_STANDALONE_FDT),dts/dt.dtb) \
 		,$(UBOOT_BIN)) FORCE
 	$(call if_changed,mkimage)
 	$(BOARD_SIZE_CHECK)
@@ -1477,10 +1520,16 @@ u-boot.cnt: u-boot.bin FORCE
 flash.bin: spl/u-boot-spl.bin u-boot.cnt FORCE
 	$(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
 else
+ifeq ($(CONFIG_BINMAN),y)
+flash.bin: spl/u-boot-spl.bin $(INPUTS-y) FORCE
+	$(call if_changed,binman)
+	$(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
+else
 flash.bin: spl/u-boot-spl.bin u-boot.itb FORCE
 	$(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
 endif
 endif
+endif
 
 u-boot.uim: u-boot.bin FORCE
 	$(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
@@ -1666,6 +1715,9 @@ u-boot-elf.lds: arch/u-boot-elf.lds prepare FORCE
 
 ifeq ($(CONFIG_SPL),y)
 spl/u-boot-spl-mtk.bin: spl/u-boot-spl
+
+u-boot-mtk.bin: u-boot-with-spl.bin
+	$(call if_changed,copy)
 else
 MKIMAGEFLAGS_u-boot-mtk.bin = -T mtk_image \
 	-a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) \
@@ -1683,14 +1735,54 @@ u-boot-swap.bin: u-boot.bin FORCE
 
 ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(ARCH)/Makefile.postlink)
 
+# Generate linker list symbols references to force compiler to not optimize
+# them away when compiling with LTO
+ifdef CONFIG_LTO
+u-boot-keep-syms-lto := keep-syms-lto.o
+u-boot-keep-syms-lto_c := $(patsubst %.o,%.c,$(u-boot-keep-syms-lto))
+
+quiet_cmd_keep_syms_lto = KSL     $@
+      cmd_keep_syms_lto = \
+	NM=$(NM) $(srctree)/scripts/gen_ll_addressable_symbols.sh $^ >$@
+
+quiet_cmd_keep_syms_lto_cc = KSLCC   $@
+      cmd_keep_syms_lto_cc = \
+	$(CC) $(filter-out $(LTO_CFLAGS),$(c_flags)) -c -o $@ $<
+
+$(u-boot-keep-syms-lto_c): $(u-boot-main)
+	$(call if_changed,keep_syms_lto)
+$(u-boot-keep-syms-lto): $(u-boot-keep-syms-lto_c)
+	$(call if_changed,keep_syms_lto_cc)
+else
+u-boot-keep-syms-lto :=
+endif
+
 # Rule to link u-boot
 # May be overridden by arch/$(ARCH)/config.mk
+ifdef CONFIG_LTO
+quiet_cmd_u-boot__ ?= LTO     $@
+      cmd_u-boot__ ?= 								\
+		$(CC) -nostdlib -nostartfiles					\
+		$(LTO_FINAL_LDFLAGS) $(c_flags)					\
+		$(KBUILD_LDFLAGS:%=-Wl,%) $(LDFLAGS_u-boot:%=-Wl,%) -o $@	\
+		-T u-boot.lds $(u-boot-init)					\
+		-Wl,--whole-archive						\
+			$(u-boot-main)						\
+			$(u-boot-keep-syms-lto)					\
+			$(PLATFORM_LIBS)					\
+		-Wl,--no-whole-archive						\
+		-Wl,-Map,u-boot.map;						\
+		$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
+else
 quiet_cmd_u-boot__ ?= LD      $@
-      cmd_u-boot__ ?= $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_u-boot) -o $@ \
-      -T u-boot.lds $(u-boot-init)                             \
-      --start-group $(u-boot-main) --end-group                 \
-      $(PLATFORM_LIBS) -Map u-boot.map;                        \
-      $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
+      cmd_u-boot__ ?= $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_u-boot) -o $@		\
+		-T u-boot.lds $(u-boot-init)					\
+		--whole-archive							\
+			$(u-boot-main)						\
+		--no-whole-archive						\
+		$(PLATFORM_LIBS) -Map u-boot.map;				\
+		$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
+endif
 
 quiet_cmd_smap = GEN     common/system_map.o
 cmd_smap = \
@@ -1699,7 +1791,7 @@ cmd_smap = \
 	$(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \
 		-c $(srctree)/common/system_map.c -o common/system_map.o
 
-u-boot:	$(u-boot-init) $(u-boot-main) u-boot.lds FORCE
+u-boot:	$(u-boot-init) $(u-boot-main) $(u-boot-keep-syms-lto) u-boot.lds FORCE
 	+$(call if_changed,u-boot__)
 ifeq ($(CONFIG_KALLSYMS),y)
 	$(call cmd,smap)
@@ -1835,11 +1927,10 @@ define filechk_timestamp.h
 endef
 
 define filechk_defaultenv.h
-	(grep -v '^#' | \
-	 grep -v '^$$' | \
+	( { grep -v '^#' | grep -v '^$$' || true ; echo '' ; } | \
 	 tr '\n' '\0' | \
 	 sed -e 's/\\\x0\s*//g' | \
-	 xxd -i ; echo ", 0x00" ; )
+	 xxd -i ; )
 endef
 
 define filechk_dt.h
@@ -1983,14 +2074,16 @@ CLEAN_FILES += include/bmp_logo.h include/bmp_logo_data.h tools/version.h \
 	       boot* u-boot* MLO* SPL System.map fit-dtb.blob* \
 	       u-boot-ivt.img.log u-boot-dtb.imx.log SPL.log u-boot.imx.log \
 	       lpc32xx-* bl31.c bl31.elf bl31_*.bin image.map tispl.bin* \
-	       idbloader.img flash.bin flash.log defconfig
+	       idbloader.img flash.bin flash.log defconfig keep-syms-lto.c
 
 # Directories & files removed with 'make mrproper'
 MRPROPER_DIRS  += include/config include/generated spl tpl \
 		  .tmp_objdiff doc/output
+
+# Remove include/asm symlink created by U-Boot before v2014.01
 MRPROPER_FILES += .config .config.old include/autoconf.mk* include/config.h \
 		  ctags etags tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \
-		  drivers/video/fonts/*.S
+		  drivers/video/fonts/*.S include/asm
 
 # clean - Delete most, but leave enough to build external modules
 #
@@ -2186,7 +2279,7 @@ endif
 	$(build)=$(build-dir) $(@:.ko=.o)
 	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
 
-quiet_cmd_genenv = GENENV $@
+quiet_cmd_genenv = GENENV  $@
 cmd_genenv = $(OBJCOPY) --dump-section .rodata.default_environment=$@ env/common.o; \
 	sed --in-place -e 's/\x00/\x0A/g' $@