X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=Makefile;h=4981a2ed6f4ab16200fe347161c3f0774393f40e;hb=61f2e5ee12895a2bdaeac8dd13e8d7f50ca7e375;hp=f8c66a20730f5478fd32f8b14638a34b36b4b77c;hpb=ded84f90a1066eef5f34daa4539273de64f7b811;p=platform%2Fkernel%2Fu-boot.git

diff --git a/Makefile b/Makefile
index f8c66a2..4981a2e 100644
--- a/Makefile
+++ b/Makefile
@@ -2,8 +2,8 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-VERSION = 2017
-PATCHLEVEL = 11
+VERSION = 2018
+PATCHLEVEL = 01
 SUBLEVEL =
 EXTRAVERSION =
 NAME =
@@ -811,6 +811,10 @@ ifneq ($(CONFIG_BUILD_TARGET),)
 ALL-y += $(CONFIG_BUILD_TARGET:"%"=%)
 endif
 
+ifneq ($(CONFIG_SYS_INIT_SP_BSS_OFFSET),)
+ALL-y += init_sp_bss_offset_check
+endif
+
 LDFLAGS_u-boot += $(LDFLAGS_FINAL)
 
 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
@@ -939,6 +943,33 @@ binary_size_check: u-boot-nodtb.bin FORCE
 		fi \
 	fi
 
+ifneq ($(CONFIG_SYS_INIT_SP_BSS_OFFSET),)
+ifneq ($(CONFIG_SYS_MALLOC_F_LEN),)
+subtract_sys_malloc_f_len = space=$$(($${space} - $(CONFIG_SYS_MALLOC_F_LEN)))
+else
+subtract_sys_malloc_f_len = true
+endif
+# The 1/4 margin below is somewhat arbitrary. The likely initial SP usage is
+# so low that the DTB could probably use 90%+ of the available space, for
+# current values of CONFIG_SYS_INIT_SP_BSS_OFFSET at least. However, let's be
+# safe for now and tweak this later if space becomes tight.
+# A rejected alternative would be to check that some absolute minimum stack
+# space was available. However, since CONFIG_SYS_INIT_SP_BSS_OFFSET is
+# deliberately build-specific, to take account of build-to-build stack usage
+# differences due to different feature sets, there is no common absolute value
+# to check against.
+init_sp_bss_offset_check: u-boot.dtb FORCE
+	@dtb_size=$(shell wc -c u-boot.dtb | awk '{print $$1}') ; \
+	space=$(CONFIG_SYS_INIT_SP_BSS_OFFSET) ; \
+	$(subtract_sys_malloc_f_len) ; \
+	quarter_space=$$(($${space} / 4)) ; \
+	if [ $${dtb_size} -gt $${quarter_space} ]; then \
+		echo "u-boot.dtb is larger than 1 quarter of " >&2 ; \
+		echo "(CONFIG_SYS_INIT_SP_BSS_OFFSET - CONFIG_SYS_MALLOC_F_LEN)" >&2 ; \
+		exit 1 ; \
+	fi
+endif
+
 u-boot-nodtb.bin: u-boot FORCE
 	$(call if_changed,objcopy)
 	$(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE))
@@ -1149,6 +1180,11 @@ u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.img u-boot.dtb FORCE
 endif
 
 ifneq ($(CONFIG_TEGRA),)
+ifneq ($(CONFIG_BINMAN),)
+u-boot-dtb-tegra.bin u-boot-tegra.bin u-boot-nodtb-tegra.bin: \
+		spl/u-boot-spl u-boot.bin FORCE
+	$(call if_changed,binman)
+else
 OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE)
 u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot-nodtb.bin FORCE
 	$(call if_changed,pad_cat)
@@ -1159,6 +1195,7 @@ u-boot-tegra.bin: spl/u-boot-spl u-boot.bin FORCE
 
 u-boot-dtb-tegra.bin: u-boot-tegra.bin FORCE
 	$(call if_changed,copy)
+endif  # binman
 endif
 
 OBJCOPYFLAGS_u-boot-app.efi := $(OBJCOPYFLAGS_EFI)
@@ -1258,6 +1295,10 @@ ifeq ($(CONFIG_KALLSYMS),y)
 	$(call cmd,u-boot__) common/system_map.o
 endif
 
+ifeq ($(CONFIG_RISCV),y)
+	@tools/prelink-riscv $@ 0
+endif
+
 quiet_cmd_sym ?= SYM     $@
       cmd_sym ?= $(OBJDUMP) -t $< > $@
 u-boot.sym: u-boot FORCE